CN-122010324-A - Digital coupling disinfection and sterilization equipment for hospital hand brushing water

CN122010324ACN 122010324 ACN122010324 ACN 122010324ACN-122010324-A

Abstract

The invention relates to the technical field of water treatment and disinfection, in particular to a digital coupling disinfection and sterilization system for hand brushing in hospitals. According to the invention, the actual action track point set in the hand brushing process is extracted by combining the hand image track recognition and displacement analysis mode, the specific position point with offset is recognized, the irradiation compensation mechanism is established by combining the ultraviolet LED array space coordinate and the irradiation real-time measurement value, the current adjustment is automatically executed according to the irradiation dose deviation of the LED lamp beads, meanwhile, the relevance judgment is carried out on the pressure difference change trend of the membrane assembly and the change rate of the current adjustment, the membrane resistance state change grade is deduced, the execution sequence of the filtering and irradiation units is controlled in a linkage manner, so that the hand brushing water sterilization process has synchronous response capability to the hand action and the membrane state, and the adaptability of the sterilization process and the timeliness of water quality regulation are improved.

Inventors

LI JIE
LIANG XIONG
Quan Weihe
LI TIANXING
LI JIAJUN
ZHANG TENGFEI
ZHOU XIAOJIAN
LI YAQI
CAI WENZHI
ZENG QINGXIANG
TIAN JINFEI
YANG MUXIU
LU XIAOSHAN
CHEN LINGWU
DENG XIAOYI
LI YUANYUAN

Assignees

广东淼淼医谷科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260109

Claims (10)

1. The utility model provides a hospital's brush hand water digital coupling disinfection and isolation equipment which characterized in that, the equipment includes: The hand brushing operation monitoring module acquires an image frame sequence acquired by the camera unit in the hand brushing area, detects a pixel distribution point set of the hand area in the image frame, extracts position change points with continuity, and integrates the position change points into an action sequence point set to obtain an original track set of the hand brushing operation; the hand deviation analysis module calculates the direction change value and the position jump amplitude between adjacent track points according to the manual operation of the brush, extracts deviation positioning points, acquires the arrangement coordinates of the LED array in the ultraviolet irradiation area, screens the deviation positioning point set which is positioned in the effective radius of ultraviolet irradiation, and generates a hand deviation positioning result; The ultraviolet irradiation regulating and controlling module invokes the hand deviation positioning result, extracts a real-time irradiation value measured by an irradiance sensor and compares the real-time irradiation value with a set ultraviolet irradiation dose reference value, calculates a difference value between the real-time irradiation value and the set ultraviolet irradiation dose reference value, judges whether the difference value exceeds a minimum effective irradiation compensation value, and executes current regulation on the LED lamp beads to obtain an ultraviolet irradiation compensation parameter set; The membrane flux state deduction module obtains an initial pressure difference value and a final pressure difference value of the ultrafiltration membrane water inlet end and the ultrafiltration membrane water outlet end pressure difference sensor in a single operation period, analyzes whether the variation trend of the difference value is increased, judges whether the variation rate of working current and the variation trend of pressure difference occur simultaneously if the trend of the difference value is increased in three continuous periods, and outputs the resistance variation grade of membrane operation in the stage to obtain a membrane resistance variation deduction result; The coupling execution module acquires the film resistance change deduction result and the ultraviolet irradiation compensation parameter set, calls the recorded resistance change grade and the compensated ultraviolet irradiation parameter, judges whether the coupling back flushing starting condition is met according to whether the two items of data are in an allowable monitoring value interval, and generates a hand brushing water coupling sterilization process instruction set by adjusting the synchronous starting sequence of the filtering channel and the irradiation channel in a linkage way.
2. The digital coupling disinfection and isolation device for hospital hand brushing according to claim 1, wherein the original track set comprises a track start point position, a continuous displacement direction set and an action duration period, the hand offset positioning result comprises a position jump point set, an offset direction vector and a relative LED array space mapping relation, the ultraviolet irradiation compensation parameter set comprises a lamp bead number index, an adjusted current value and an irradiation time delay configuration, the film resistance change deduction result comprises a cross-period differential pressure difference value sequence, a film pollution level label and a synchronous current change trend, and the hand brushing water coupling disinfection flow instruction set comprises a filtering channel opening and closing instruction, an irradiation unit regulation scheme and a water flow path switching signal.
3. The hospital hand water digital coupling disinfection and isolation device of claim 1, wherein said hand actuation monitoring module comprises: the image frame extraction submodule acquires an image frame sequence acquired by the camera unit in the hand brushing area, extracts pixel matrix data included in each frame of image, and identifies a pixel distribution block set of the hand area according to brightness change in the gray distribution image to obtain hand pixel extraction information; The displacement detection submodule calculates the amplitude value of an inter-frame pixel displacement vector based on the two-dimensional coordinate value of the same pixel point in the adjacent image frames recorded in the hand pixel extraction information, performs difference value judgment with a preset resolvable action displacement threshold value, screens pixel point pairs within a threshold value range, and records the displacement direction and the velocity information to obtain an effective displacement pixel set; The track integration submodule calls the time sequence and the displacement direction value of the pixel points in the effective displacement pixel set, screens the pixel point sequences which keep consistent directions over three continuous frames, rearranges the pixel sequences according to the time sequence, constructs a space motion track point set and generates a brushing manual original track set.
4. The hospital hand-brushing water digital coupling disinfection and sterilization equipment according to claim 3, wherein the setting mode of the resolvable motion displacement threshold is specifically that based on the inter-frame pixel displacement distribution of all pixel points in the hand pixel extraction information in continuous image frames, the sum of an average displacement value and a standard deviation is calculated as the resolvable motion displacement threshold.
5. The hospital hand-brushing digital coupling disinfection and isolation device of claim 1, wherein the hand-offset-resolution module comprises: The track deviation recognition sub-module acquires two-dimensional coordinate values of each track point in the original track set by the brushing hand, calculates a direction vector difference and a coordinate jump amplitude value between adjacent points, carries out numerical comparison on the jump amplitude and a minimum detectable deviation distance threshold, extracts a coordinate point with the jump amplitude larger than the minimum detectable deviation distance threshold as an input point to be processed, and generates a track deviation point set to be judged; The irradiation region mapping submodule acquires the space arrangement coordinate information of the LED array in the ultraviolet irradiation region based on the coordinate point positions in the track offset to-be-determined point set, performs Euclidean distance calculation on each input point, performs difference judgment with each node coordinate of the LED array, screens a mapping point pair set with the difference not exceeding an ultraviolet irradiation effective radius value, and generates an LED array associated coordinate pair set; And the offset point screening sub-module extracts the original offset point coordinate indexes and performs set recombination according to the points in the irradiation boundary in the LED array associated coordinate pair set, eliminates the points exceeding the irradiation coverage range, integrates the position coordinate data corresponding to the indexes in the effective boundary, and establishes a hand offset positioning result.
6. The hospital hand-brushing water digital coupling disinfection and sterilization equipment according to claim 5, wherein the setting mode of the minimum detectable offset distance threshold is that according to the inter-frame jump amplitude values of all track point coordinates in an original track set by a hand-brushing machine, a distribution interval of jump amplitude values is extracted, a thirty percentile position in the overall distribution of jump amplitude values is taken as a threshold to determine a reference, and interval range fitting is performed by combining with disturbance offset tolerance parameters preset in a differentiated operation environment to obtain the minimum detectable offset distance threshold; The setting mode of the ultraviolet irradiation effective radius value is that according to the maximum space projection boundary of the effective irradiation coverage range of each light emitting unit of the ultraviolet LED array in an experimental state, the space projection distance corresponding to the boundary is extracted, and the ultraviolet irradiation effective radius value is determined under the condition that the ultraviolet irradiance maintained under the condition of continuous irradiation of maximum power reaches the minimum sterilization irradiation dose.
7. The hospital hand water digital coupling disinfection and isolation device according to claim 1, wherein the ultraviolet irradiation control module comprises: The irradiation value acquisition submodule calls a two-dimensional coordinate value of each positioning point in the hand deviation positioning result, positions a light source number corresponding to the same position in the ultraviolet LED array, acquires a real-time irradiation intensity value output by an irradiance sensor corresponding to the number, records a time stamp and space position information, and establishes a coordinate irradiation measurement data set; The current difference judging sub-module extracts a corresponding ultraviolet irradiation dose reference value according to the irradiation value of each data point in the coordinate irradiation measurement data set, calculates an intensity difference between the two values, carries out numerical comparison on the intensity difference and a minimum effective irradiation compensation value, screens an irradiation point coordinate set exceeding the compensation value, marks a corresponding lamp bead number, and generates an irradiation compensation point index to be regulated; And the irradiation power adjustment sub-module adjusts the corresponding driving current output value according to the lamp bead numbers recorded in the irradiation compensation point position index to be regulated, and invokes the lamp bead regulation interface, performs numerical differential calculation according to the driving current values before and after adjustment, records the variation amplitude, and generates an ultraviolet irradiation compensation parameter set.
8. The digital coupling disinfection and sterilization device for hospital hand brushing water according to claim 7, wherein the setting mode of the minimum effective irradiation compensation value is specifically that a first confidence interval range is calculated by taking the average value of all irradiation value samples in the coordinate irradiation measurement data set as a reference and combining the standard deviation of the sample set, and the lower limit of the confidence interval is taken as the minimum effective irradiation compensation value.
9. The hospital hand water digital coupling disinfection and isolation device of claim 1, wherein said membrane flux state deduction module comprises: The differential pressure change extraction submodule acquires an initial differential pressure value and a final differential pressure value of the differential pressure sensor of the water inlet end and the water outlet end of the ultrafiltration membrane in a single operation period, calculates and records the differential pressure change quantity of the current period, calls the differential pressure change quantity of the previous period to carry out continuous judgment, and if the differential pressure change quantity of the current period is larger than the previous period, accumulates the continuous increment period number to obtain the differential pressure increase trend value of the cross period; The trend joint judging submodule judges whether the pressure difference increment occurs in three continuous periods according to the increment period number in the cross-period pressure difference increment trend numerical value, if the condition is met, the lamp bead corresponding working current adjustment value in the ultraviolet irradiation compensation parameter set is called, the average current change rate of all the lamp beads in the current period is calculated, a time sequence overlapping relation between the average current change rate and the pressure difference increment trend is established, and a trend linkage response matching result is generated; And the resistance grade output sub-module extracts a pressure difference increment value interval and a current change rate interval corresponding to record items aiming at record items marked as trend simultaneous occurrence in the trend linkage response matching result, performs interval comparison by combining a membrane resistance grade dividing reference table, and generates a membrane resistance change deduction result according to the marking grade code of the comparison result.
10. The hospital hand water digital coupling disinfection and isolation device of claim 1, wherein said coupling execution module comprises: The state interval judging submodule acquires a resistance change grade and an irradiation intensity compensation value in an ultraviolet irradiation compensation parameter set in the film resistance change deduction result, maps the resistance grade to a film resistance allowable interval number respectively, carries out interval comparison judgment on the irradiation compensation value and an ultraviolet sterilization reference interval value, screens data indexes of the two data which are simultaneously positioned in an allowable interval, and generates a double-parameter coupling judgment identification set; The instruction triggering control sub-module reads the number of the corresponding irradiation unit and the configured control priority sequence table according to the index marked as meeting the condition in the double-parameter coupling judgment mark set, extracts the channel number corresponding to the current number in the control table and the opening sequence mark value, performs sequence comparison, identifies a control execution link and establishes a channel control sequence configuration structure; The flow linkage generation submodule calls the channel control sequence configuration structure, generates an instruction mapping structure according to the recorded serial numbers and sequence identifications of the filtering channel and the ultraviolet irradiation channel, encapsulates the instruction mapping structure into an instruction data frame, and adds timestamp information and a module linkage identification code to establish a water-brushing coupling sterilization flow instruction set.

Description

Digital coupling disinfection and sterilization equipment for hospital hand brushing water Technical Field The invention relates to the technical field of water treatment and disinfection, in particular to digital coupling disinfection and sterilization equipment for hand brushing water in hospitals. Background The technical field of water treatment and disinfection relates to the sterilization and disinfection of water bodies by means of physics, chemistry, biology and the like so as to ensure the safety and sanitation of water, and the water treatment and disinfection method is widely applied to medical, industrial, civil and other scenes. The core matters in the technical field comprise the removal or inactivation of microorganisms in a water body, the addition and control of a disinfectant, the on-line monitoring of water quality, the operation control of water treatment equipment, the management of a water flow conveying path, the optimization of coupling logic thereof and the like. Especially in the medical field, the requirements for water supply disinfection in operation rooms, ward and experimental areas are more strict, pathogenic microorganisms such as bacteria and viruses in water body are required to be effectively removed under specific time and flow conditions, and dynamic control is realized on the positions such as pipelines, water outlets and the like which are easy to breed and pollute. The current water treatment disinfection technology is developed towards the direction of intellectualization, digitalization and integration, and emphasizes an automatic sensing, digital response and high-efficiency coupling control mechanism of the disinfection process so as to meet the water use requirement of high-frequency and high-cleanliness scenes. The traditional hand-brushing actual working condition is generally that under tap water state, effective chlorine volatilizes in a water body after heating, bacteria are not easy to grow due to a bacteriostatic environment, medical infection is easy to be formed, the digital coupling disinfection and sterilization equipment for hospital hand-brushing water is water supply equipment used for hand-brushing before operation of medical staff in a hospital surgery department by a pointer, real-time disinfection and sterilization treatment are carried out on water supply in the hand-brushing process, and digital management is combined to ensure that the water quality of the hand-brushing meets clinical standards. The technical matters aimed by the equipment comprise effective killing of pathogenic microorganisms in water in the process of brushing hands, synchronous regulation and control of water flow rate and temperature, automatic control of disinfectant addition and digital visualization in the disinfection treatment process. The traditional scheme is generally to handle the water supply of delivery port through setting up ultraviolet sterilizer or electrolysis sterilizer to adopt fixed time control's timer or simple and easy PLC program control rivers break-make, partial equipment cooperates temperature control device to adjust the temperature, guarantees the equipment function through manual detection or periodic maintenance mode. In whole, traditional equipment generally relies on fixed disinfection structure and preset control logic, lacks the real-time coupling response mechanism with medical and nursing operation action, and the digitization degree is limited, has difficulty in realizing the dynamic linkage management and control to many brush hand action parameters and quality of water state. Disclosure of Invention In order to solve the technical problems in the prior art, the embodiment of the invention provides digital coupling disinfection and sterilization equipment for hospital hand brushing water. The technical scheme is as follows: in one aspect, there is provided a hospital hand water digital coupling disinfection and sterilization apparatus, the apparatus comprising: The hand brushing operation monitoring module acquires an image frame sequence acquired by the camera unit in the hand brushing area, detects a pixel distribution point set of the hand area in the image frame, extracts position change points with continuity, and integrates the position change points into an action sequence point set to obtain an original track set of the hand brushing operation; the hand deviation analysis module calculates the direction change value and the position jump amplitude between adjacent track points according to the manual operation of the brush, extracts deviation positioning points, acquires the arrangement coordinates of the LED array in the ultraviolet irradiation area, screens the deviation positioning point set which is positioned in the effective radius of ultraviolet irradiation, and generates a hand deviation positioning result; The ultraviolet irradiation regulating and controlling module invokes the hand deviation positioning result, ex