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CN-121276163-B - Ultra-high voltage resistance detection device and operation method

CN121276163BCN 121276163 BCN121276163 BCN 121276163BCN-121276163-B

Abstract

The invention discloses an ultra-high voltage resistor detection device, an operation method and an operation method, which relate to the technical field of high voltage resistor detection, and comprise a detection cabinet, wherein a protective door is symmetrically arranged on one side of the detection cabinet, a mouse platform is arranged on one side of the middle part of the detection cabinet far away from the protective door, a central control screen is arranged above the detection cabinet close to the mouse platform, the detection cabinet is close to the central control screen and one side is provided with a control module, a power supply groove is uniformly formed in the detection cabinet, a power supply box is slidably installed in the power supply groove, a power supply module is installed in the power supply box, a terminal wiring row is uniformly installed above the detection cabinet close to the power supply module, and the electronic switching mechanism is connected in series with the aid of components such as an electrified magnet and a rack gear and can control the power supply module in a programmable manner. Compared with the existing manual wiring switching mode, manual operation is not needed, electric shock risks in a high-voltage environment are avoided, different voltage requirements can be responded quickly, and more detection scenes are adapted.

Inventors

  • YIN QIXING
  • ZHAO ZHIWEN
  • QI KUI

Assignees

  • 上海欣崇电子科技有限公司

Dates

Publication Date
20260508
Application Date
20251028

Claims (9)

  1. 1. The utility model provides an ultra-high voltage resistance detection device, includes detection cabinet (1), protection door (11) are installed to detection cabinet (1) one side symmetry, detection cabinet (1) middle part is kept away from protection door (11) one side and is installed mouse platform (12), detection cabinet (1) are close to mouse platform (12) top and install well accuse screen (13), detection cabinet (1) are close to well accuse screen (13) one side and install control module (14), a serial communication port, evenly be provided with power supply slot in detection cabinet (1), slidable mounting has power supply box (15) in the power supply slot, install power module (16) in power supply box (15), detection cabinet (1) are close to power module (16) top and evenly install terminal wiring row (17), an ultra-high voltage resistance detection device still includes convenient storage mechanism (2) and electronic switching mechanism (3); The convenient storage mechanism (2) is arranged on the detection cabinet (1), and the convenient storage mechanism (2) is used for measuring and monitoring convenience; The electronic switching mechanism (3) is arranged in the middle of one side of the detection cabinet (1) close to the power supply box (15), and the electronic switching mechanism (3) is used for rapidly switching between electronic circuits; The electronic switching mechanism (3) further comprises a series connection assembly (4), the series connection assembly (4) comprises an electrifying magnet (41), the electrifying magnet (41) is uniformly arranged on an n-shaped bracket (36), auxiliary springs (48) are symmetrically and fixedly arranged in the middle of the electrifying magnet (41), one end, far away from the electrifying magnet (41), of each auxiliary spring (48) is fixedly provided with n cast iron (42), the bottom of each n cast iron (42) is slidably arranged on a separation plate (32), an engagement rack (43) is fixedly arranged on one surface, far away from the auxiliary springs (48), of each n cast iron (42), an engagement gear (44) is engaged with the tooth surface of the lower surface of each engagement rack (43), a swinging plate (45) is fixedly arranged in the middle of each engagement gear (44), auxiliary plates (46) are rotatably arranged at two ends of each swinging plate (45), one end, far away from each swinging plate (45), of each auxiliary plate (46) is rotatably provided with a T-shaped wiring row (47), one surface, far away from each positive wiring row (34), of each T-shaped wiring row (34) is slidably arranged in a radiator (34), a wiring row is provided with a positive wiring slot (35), the middle protruding part of the T-shaped wiring row (47) is the same as the clamping grooves of the positive wiring row (34) and the negative wiring row (35).
  2. 2. The ultrahigh voltage resistance detection device according to claim 1, wherein the convenient storage mechanism (2) comprises a folding rotating plate (21), a transmission rod (22) is fixedly installed in the middle of the folding rotating plate (21), first conical teeth (23) are fixedly installed on the outer surfaces of two ends of the transmission rod (22), two ends of the transmission rod (22) are rotatably installed on the detection cabinet (1), second conical teeth (24) are meshed with the tooth surfaces of the first conical teeth (23), a square support plate (25) is fixedly installed in the middle of the second conical teeth (24), a universal wheel (26) is installed on one surface, far away from the second conical teeth (24), of the square support plate (25), a servo drive motor is installed at one end of the transmission rod (22), and the servo drive motor is installed in the detection cabinet (1).
  3. 3. The ultrahigh voltage resistance detection device according to claim 1, wherein the electronic switching mechanism (3) comprises a power supply frame (31), the power supply frame (31) is fixedly installed on a power supply groove of the detection cabinet (1), a separation plate (32) is fixedly installed on the power supply frame (31), the separation plate (32) is made of insulating materials, a heat dissipation groove is formed in the separation plate (32), a radiator (33) is installed on the heat dissipation groove of the separation plate (32), positive and negative electrode wiring rows are fixedly installed in the power supply groove respectively, positive and negative electrode wiring rows (34) and negative electrode wiring rows (35) are fixedly installed at one ends, far away from the power supply groove, of the positive and negative electrode wiring rows respectively, the positive and negative electrode wiring rows (34) are fixedly installed in the separation plate (32) respectively, the positive and negative electrode wiring rows (35) are installed corresponding to the positive and negative electrode wiring rows respectively, n-shaped brackets (36) are fixedly installed at two ends of the power supply frame (31), and the n-shaped brackets (36) are used for fixing the bottom of the detection cabinet (1).
  4. 4. An ultrahigh voltage resistance detection operation method, which is applicable to an ultrahigh voltage resistance detection apparatus as claimed in any one of claims 1 to 3, comprising: s1, equipment pre-preparation and system initialization, namely, basic guarantee expansion before testing a surrounding device, including environment compliance checking, hardware connection construction and software and hardware system initialization, is carried out, so that the device is ensured to have basic conditions for starting the test; S2, test execution and subsequent processing, namely, test whole flow and ending work, including test parameter setting, voltage output control, data acquisition and calculation, and equipment operation and maintenance after the test is finished, completing impedance detection of a tested body and guaranteeing long-term availability of the device.
  5. 5. The method for detecting and operating an ultrahigh voltage resistor according to claim 4, wherein the system initialization in S1 comprises: After the device is electrified, automatically detecting the multi-channel power supply module comprising a power frequency transformer, a rectifying filter element and a protection element, if a certain module fails, prompting the failure by an upper computer, and continuing after repairing; The software system is initialized, software is started, multichannel channel parameters are initialized, channel 1 defaults to a 200V/500V mode, channels 2-7 are ready to be activated, a 24-bit high-precision ADC sampling module and a 150ps resolution PWM executing module are initialized, MCU and each channel communication is established, and normal 0-500V voltage acquisition and PWM adjusting functions are ensured.
  6. 6. The method of claim 5, wherein the test parameters are set according to the requirements of the subject, and the system automatically activates the electronic switching mechanism (3) to perform the connection of the programmable control power module (16) corresponding to the power module and the channel.
  7. 7. The method of claim 6, wherein the electronic switching mechanism (3) is provided with 0.01% rated voltage precision, a proper sampling interval and a proper sampling times, the output voltage of the acquisition channel of the MCU is tested and executed, and the PWM duty ratio is adjusted through a PI algorithm after the output voltage is compared with a reference voltage, so that the BOOST circuit is controlled to stabilize the output voltage.
  8. 8. The method for detecting and operating the ultra-high voltage resistor according to claim 7, wherein the electronic switching mechanism (3) is provided with a high-precision ammeter for collecting weak current of a detected body, the weak current is processed by a conditioning circuit and converted into a digital signal by an ADC, and the MCU calculates impedance according to R=U/I and performs statistic processing on multiple data to improve reliability.
  9. 9. The method of claim 5, wherein the power modules (16) are arranged in 1-16 groups, each group corresponds to one channel, and the maximum voltage input range is 0-5000V.

Description

Ultra-high voltage resistance detection device and operation method Technical Field The invention relates to the technical field of high-voltage resistance detection, in particular to an ultrahigh-voltage resistance detection device and an operation method. Background In fields such as electric power system, new energy automobile, ultra-high voltage resistance performance decision equipment safety and stability, accurate detection is vital. The current industry improves the detected voltage range (200V-3500V), precision (0.01% rated voltage precision) and multi-scene adaptation requirements, but most of the existing devices are designed by a single power module, part of the multi-power devices need to be manually switched and connected, and people need to continuously watch and record, and external equipment is relied on to dissipate heat of the power module, so that the basic detection requirements can be met only; However, the existing ultra-high voltage resistance detection device still has obvious defects in practical application, the mode of manually switching the wiring of the power supply module is time-consuming and labor-consuming, electric shock risks are easily caused by misoperation in a high-voltage environment, meanwhile, human errors are easily generated in a mode of manually recording data, reliability of detection results is reduced, most devices lack of foldable auxiliary structures in view of equipment flexibility and space utilization, large sites are occupied during detection, the devices are difficult to store in an efficient manner when in idle mode, the devices are not suitable for laboratories or on-site detection scenes with limited space, local heat aggregation is easily generated when the multi-power supply module works in view of operation stability of the power supply module, the existing heat dissipation scheme is mostly integrated heat dissipation, accurate temperature control cannot be performed on a single module, temperature rise of the module is excessively high (the temperature rise exceeds 25 ℃ when the single module 500V of the partial devices is output), further, the stability of voltage output is influenced, the service life of the power supply module is shortened, the single-channel or fixed-channel modes are difficult to adapt to detected bodies with different voltage requirements, the detection devices are required to be replaced frequently, or hardware configuration is adjusted, and the detection period is prolonged greatly, and the requirements of mass detection or rapid industrial verification are met. These defects not only increase the detection cost and the operation difficulty, but also can cause problems of inaccurate detection data, equipment failure and the like, and can be buried in the safe operation of the subsequent high-voltage equipment. In view of the above, an ultrahigh voltage resistor detection device and an operating method thereof are provided to solve the above problems. Disclosure of Invention In view of the above, the present invention provides an ultrahigh voltage resistor detection device and an operation method thereof to solve the problems in the background art. The ultra-high voltage resistance detection device comprises a detection cabinet, wherein a protection door is symmetrically arranged on one side of the detection cabinet, a mouse platform is arranged on one surface, far away from the protection door, of the middle part of the detection cabinet, a central control screen is arranged above the detection cabinet, which is close to the central control screen, a control module is arranged on one side, close to the central control screen, of the detection cabinet, a power supply groove is uniformly arranged in the detection cabinet, a power supply box is slidably arranged in the power supply groove, a power supply module is arranged in the power supply box, a terminal wiring row is uniformly arranged above the detection cabinet, which is close to the power supply module, and the ultra-high voltage resistance detection device further comprises a convenient storage mechanism and an electronic switching mechanism; The convenient storage mechanism is arranged on the detection cabinet and is used for monitoring convenience; The electronic switching mechanism is arranged in the middle of one side of the detection cabinet, which is close to the power box, and is used for controlling connection between the power modules. As the preference, convenient receiving mechanism is including folding the revolving plate, folding revolving plate middle part fixed mounting has the transfer line, transfer line both ends surface fixed mounting has first toper tooth respectively, transfer line both ends rotate and install on detecting the cabinet, first toper tooth flank of tooth meshing has the second toper tooth, second toper tooth middle part fixed mounting has square extension board, square extension board is kept away from second toper tooth one side