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CN-121988078-A - Cold precipitation preparation instrument capable of equalizing water supply

CN121988078ACN 121988078 ACN121988078 ACN 121988078ACN-121988078-A

Abstract

The application relates to the technical field of plasma preparation equipment, and discloses a cryoprecipitation preparation instrument capable of equalizing water supply. The preparation modules comprise water tanks for carrying out water bath, a water supply system for supplying water to the water tanks, and a control system electrically connected with the preparation modules and the water supply system respectively. The water supply system comprises a pressure equalizing water tank, a water pump and a plurality of water supply electromagnetic valves. The control system is used for controlling the water pump to send water from the water source to the pressure equalizing water tank, distributing the water to each diversion pipeline through the pressure equalizing water tank, controlling the opening and closing of each water supply electromagnetic valve, independently supplying water to the corresponding water tank and maintaining the water pressure balance of the water outlet ends of each open diversion pipeline. So set up, when supplying water to a plurality of preparation modules, can realize the voltage-sharing water supply, and then avoid the process of melting of blood bag in each passageway to be asynchronous, the preparation condition can't be unified.

Inventors

  • LI HAIMIN
  • GAO XIA
  • LIU KUN
  • SHI JIABIN
  • YUAN HAO

Assignees

  • 青岛海尔生物医疗科技有限公司
  • 青岛海尔生物医疗股份有限公司

Dates

Publication Date
20260508
Application Date
20260130

Claims (10)

  1. 1. A cryoprecipitate preparation instrument capable of equalizing water supply, comprising: A plurality of preparation modules (30), the preparation modules (30) comprising a water tank (31) for carrying out a water bath; A water supply system (40) for supplying water to the water tank (31), and, The control system is electrically connected with the preparation module (30) and the water supply system (40) respectively; the water supply system (40) comprises: The pressure equalizing water tank (413) is communicated with a water source through a water supply pipeline (424) and is respectively communicated with water tanks (31) of a plurality of preparation modules (30) through a plurality of water diversion pipelines (421); a water pump (44) provided in the water supply line (424), and, A plurality of water supply solenoid valves respectively provided to the plurality of water diversion pipelines (421); The control system is used for controlling the water pump (44) to send water from a water source to the pressure equalizing water tank (413), distributing the water to the diversion pipelines (421) through the pressure equalizing water tank (413), controlling the opening and closing of the water supply electromagnetic valves, independently supplying water to the corresponding water tanks (31), and maintaining the water pressure balance of the water outlet ends of the diversion pipelines (421).
  2. 2. The apparatus according to claim 1, wherein, The horizontal heights of the communicating positions of the water diversion pipelines (421) and the pressure equalizing water tank (413) are the same, so that static pressure difference of water inlet ends of the water diversion pipelines (421) is avoided.
  3. 3. The cryoprecipitation preparation apparatus according to claim 1, wherein the water supply system (40) further includes: a pressure sensor for acquiring the internal pressure of the pressure equalizing water tank (413); The control system is also used for adjusting the running state of the water pump (44) according to the internal pressure of the pressure equalizing water tank (413) so as to maintain the internal pressure of the pressure equalizing water tank (413) in a preset pressure interval.
  4. 4. A cryoprecipitation preparation apparatus according to claim 3, wherein the control system is further configured to adjust an operation state of the water pump (44) according to an internal pressure of the pressure equalizing water tank (413) includes: increasing the power or the rotational speed of the water pump (44) in case the internal pressure of the pressure equalizing water tank (413) is smaller than the lower limit of a preset pressure interval; And under the condition that the internal pressure of the pressure equalizing water tank (413) is larger than the upper limit of a preset pressure interval, reducing the power or the rotating speed of the water pump (44), or controlling the water pump (44) to stop.
  5. 5. The cryoprecipitation preparation apparatus according to claim 1, wherein the water supply system (40) further includes: The first liquid level sensors are respectively arranged on the water tanks (31) and are used for acquiring the water level in the water tanks (31); The control system is also used for controlling the opening and closing of the corresponding water supply electromagnetic valve according to the water level in the water tank (31) so as to maintain the water level in the water tank (31) at a preset water level.
  6. 6. The cryoprecipitation preparation apparatus according to claim 1, wherein the water supply system (40) further includes: and the collecting water tank (412) is communicated with the water outlet of the water tank (31) and is used for receiving water discharged by the water tank (31).
  7. 7. The cryoprecipitation preparation apparatus according to claim 6, wherein the water supply system (40) further includes: The second liquid level sensor is arranged on the collecting water tank (412) and is used for acquiring the water level in the collecting water tank (412); The control system is also used for adjusting the power or the rotating speed of the water pump (44) according to the water level in the collecting water tank (412) so as to enable the water supply pressure of the pressure equalizing water tank (413) to be matched with the recovery pressure of the collecting water tank (412).
  8. 8. The apparatus according to claim 6, wherein, The water tank (31) comprises a first water outlet and a second water outlet, and the position of the first water outlet is lower than that of the second water outlet; The water supply system (40) further comprises: a water outlet pipe (422) for communicating the first water outlet with the collecting tank (412), and, And the overflow pipe (423) is used for communicating the second water outlet and the collecting water tank (412).
  9. 9. The apparatus according to any one of claims 1 to 8, wherein, The water supply system (40) further comprises: the refrigerating water tank (411) is communicated with the pressure equalizing water tank (413), and water with preset temperature provided by the refrigerating water tank (411) flows to the water tank (31) after passing through the pressure equalizing water tank (413).
  10. 10. The apparatus according to any one of claims 1 to 8, wherein, The pressure equalizing water tank (413) is higher than a preset highest water level of the water tank (31) so as to assist water supply by gravity.

Description

Cold precipitation preparation instrument capable of equalizing water supply Technical Field The application relates to the technical field of plasma preparation equipment, in particular to a cryoprecipitation preparation instrument capable of realizing pressure equalizing water supply. Background Cryoprecipitation is an insoluble precipitate rich in coagulation factors, which is precipitated after fresh frozen plasma is thawed in a low-temperature water bath environment, and is an important component in clinical blood transfusion and blood product preparation. The traditional cold precipitation preparation is dependent on manual or semi-automatic equipment, is complex in operation and low in efficiency, and has the problems of cross contamination among blood bags, insufficient temperature control precision, poor flow traceability and the like. Along with the expansion of blood scale and improvement of quality control standard of blood stations and clinical blood, the realization of full automation, standardization and safety of cryoprecipitation preparation becomes an important requirement for industry development. In the related art, the realization of multi-channel preparation generally depends on the configuration of separate water supply lines and valves for each treatment unit or sink, or the sequential supply of water using serial lines. These solutions aim at providing a constant temperature liquid for a plurality of baths to complete the thawing process of the plasma. In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: In the related art, when a plurality of preparation modules start a water supply request simultaneously or in a time-sharing manner, the length and the resistance of each branch are different in the traditional parallel pipeline system, and the output pressure of the water pump can be dynamically changed along with the flow distribution, so that the water supply pressure and the flow rate reaching different water tanks are uneven, further the melting process of blood bags in each channel is asynchronous, and the preparation conditions cannot be unified. It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art. Disclosure of Invention The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows. The embodiment of the disclosure provides a cold precipitation preparation instrument capable of realizing pressure-equalizing water supply, which can realize pressure-equalizing water supply when supplying water to a plurality of preparation modules, thereby avoiding asynchronous melting process of blood bags in each channel and incapability of unifying preparation conditions. The embodiment of the disclosure provides a cold precipitation preparation instrument capable of realizing pressure-equalizing water supply, which comprises a plurality of preparation modules, a water supply system and a control system. The preparation modules comprise water tanks for carrying out water bath, a water supply system for supplying water to the water tanks, and a control system electrically connected with the preparation modules and the water supply system respectively. The water supply system comprises a pressure equalizing water tank, a water pump and a plurality of water supply electromagnetic valves. The water supply system comprises a water supply pipeline, a water pump, a water distribution pipeline, a control system and a control system, wherein the water supply pipeline is communicated with a water source, the water distribution pipeline is communicated with water tanks of a plurality of preparation modules respectively, the water pump is arranged on the water supply pipeline, the water supply solenoid valves are respectively arranged on the water distribution pipeline, the control system is used for controlling the water pump to deliver water from the water source to the water distribution pipeline, distributing the water to each water distribution pipeline through the water distribution pipeline, controlling the water supply solenoid valves to be opened and closed, independently supplying water to corresponding water tanks and maintaining water pressure balance of water outlet ends of the water distribution pipelines. In some embodiments, the water distribution pipelines are at the same level as the communicating part of the pressure equalizing water tank, so that static pressure difference betwe