CN202903565U - Pressure control device of membrane type liquid-based thin cell pelleter - Google Patents
Pressure control device of membrane type liquid-based thin cell pelleter Download PDFInfo
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- CN202903565U CN202903565U CN 201220629748 CN201220629748U CN202903565U CN 202903565 U CN202903565 U CN 202903565U CN 201220629748 CN201220629748 CN 201220629748 CN 201220629748 U CN201220629748 U CN 201220629748U CN 202903565 U CN202903565 U CN 202903565U
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- solenoid valves
- pipeline
- solenoid
- control device
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Abstract
The utility model discloses a pressure control device of a membrane type liquid-based thin cell pelleter. The pressure control device consists of a micro air pump, four two-position three-way solenoid valves and a waste liquor cylinder. The pressure control device has the functions of automatically switching liquor pumping, gas exhausting and liquor exhausting; a pressure sensor is further arranged in the pipeline, so that the air pressure in the pipeline can be monitored and fed in real time; the fed air pressure value is converted and calculated by a controller; and the air pressure value is kept at any required value by adjusting the rotation speed of the micro air pump.
Description
Technical field
The utility model relates to the manufacturing equipment of cell smear, especially relates to a kind of pressure control device of muchine for preparing membrane liquid base thin-layer cell smear.
Background technology
Muchine for preparing membrane liquid base thin-layer cell smear need to provide negative pressure when gathering cell in the film cylinder, cell is adsorbed on the microporous barrier, cell-preservation liquid and impurity can filter microporous barrier and be collected in the waste liquid bottle, and the transfer printing cells need to provide positive air pressure, the cell that is adsorbed on the microporous barrier " is blown " to microslide, after waste liquid bottle is filled, also need waste liquid is emptied.Whole process comprises imbitition, and blow out air is discharged liquid etc.Present muchine for preparing membrane liquid base thin-layer cell smear pressure control device both domestic and external has two kinds of common structures, the first is comprised of air-breathing cylinder, air blowing cylinder and associated pipe, valve, drive the cylinder piston motion by mechanical motion and produce positive and negative air-pressure, it is more stable to control relative simple pneumatic, but the wearing and tearing of cylinder and piston are larger, failure rate is high, and cost is also higher; Another kind is to adopt a plurality of air pumps and solenoid valve combination, and main air pump provides separately negative pressure, and secondary air pump provides malleation, also needs conversion electromagnetic valve, and the parts such as pressure-regulating valve cooperate, complex structure, and the control difficulty is larger.
The utility model content
The utility model mainly is to solve the existing technical matters of prior art; A kind of pressure control device of muchine for preparing membrane liquid base thin-layer cell smear is provided, have the functions such as automatic switchover drawing liquid, exhaust, discharge opeing, pressure transducer also is housed in pipeline, energy Real-Time Monitoring and feedback pipeline internal gas pressure, the air pressure numerical value of feedback is through controller conversion and calculate, and the rotating speed by adjusting micro air pump is with the constant arbitrary value that is requiring of atmospheric pressure value.
The purpose of this utility model is achieved in that
A kind of pressure control device of muchine for preparing membrane liquid base thin-layer cell smear, comprise micro air pump, two ports of micro air pump connect respectively the public port of a solenoid valve and No. two solenoid valves by pipeline, the normal ported of a solenoid valve connects atmosphere by pipeline, the normally closed port of No. two solenoid valves connects atmosphere by pipeline, the normally closed port of a solenoid valve connects the often ported of No. two solenoid valves by pipeline, be connected with common conduit on the normal ported pipeline of the normally closed port of a solenoid valve and No. two solenoid valves, be connected with baroceptor by pipeline on the common conduit, common conduit is terminal to be connected with the public port of No. three solenoid valves, the normal ported import that connects the waste liquid cylinder by pipeline of No. three solenoid valves, the normally closed port of No. three solenoid valves connects the often ported of No. four solenoid valves by pipeline, the outlet of waste liquid cylinder connects the normally closed port of No. four solenoid valves by pipeline, the public port of No. four solenoid valves is by pipeline junctional membrane cylinder, described micro air pump, a solenoid valve, No. two solenoid valves, No. three solenoid valves, No. four solenoid valves and baroceptor are electrically connected with controller respectively.
An above-mentioned solenoid valve, No. two solenoid valves, No. three solenoid valves and No. four solenoid valves are the two-bit triplet solenoid valve.
The utility model has been obtained following technique effect:
The utility model is simple in structure, novel, good stability, and reliability is high.Only used an air pump and four solenoid valves can realize that full automation switches and bled, exhaust, the functions such as draining, it has effectively controlled cost, has also reduced failure rate; Adopt baroceptor Real-Time Monitoring pipeline internal gas pressure, and formed closed-loop system with micro air pump, controller, can be with stable gas pressure at a steady state value, the quality of energy Effective Raise cell collection and transfer printing; It is main frame that controller adopts single-chip microcomputer, and cost is little, and design is convenient, and is simple to operate, and man-machine interaction is friendly, and the components and parts of employing mostly are commercial product on standard component or the market, and processing capacity is little, simple and convenient assembly.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of pressure control device of muchine for preparing membrane liquid base thin-layer cell smear as shown in Figure 1, comprise micro air pump 1, two ports of micro air pump connect respectively the public port of a solenoid valve 2 and No. two solenoid valves 7 by pipeline, the normal ported of a solenoid valve connects atmosphere by pipeline, the normally closed port of No. two solenoid valves connects atmosphere by pipeline, the normally closed port of a solenoid valve connects the often ported of No. two solenoid valves by pipeline, be connected with common conduit 4 on the normal ported pipeline of the normally closed port of a solenoid valve and No. two solenoid valves, be connected with baroceptor 3 by pipeline on the common conduit, common conduit is terminal to be connected with the public port of No. three solenoid valves 5, the normal ported import that connects waste liquid cylinder 6 by pipeline of No. three solenoid valves, the normally closed port of No. three solenoid valves connects the often ported of No. four solenoid valves 9 by pipeline, the outlet of waste liquid cylinder connects the normally closed port of No. four solenoid valves by pipeline, the public port of No. four solenoid valves is by pipeline junctional membrane cylinder 8, described micro air pump, a solenoid valve, No. two solenoid valves, No. three solenoid valves, No. four solenoid valves and baroceptor are electrically connected with controller respectively.An above-mentioned solenoid valve, No. two solenoid valves, No. three solenoid valves and No. four solenoid valves all can be selected the two-bit triplet solenoid valve.
During work, three kinds of duties are arranged: in film pipe 8, provide negative pressure, positive air pressure, removal waste fluid.
When providing the negative pressure state to film pipe 8: solenoid valve 2 of controller control, No. two solenoid valves 7, No. four solenoid valves 9 and micro air pump 1 work.This moment, solenoid valve 1 an interior pipeline switched to location right, made public port with normally closed port connection and was communicated with common conduit 4, normal ported closure; The public port of No. two solenoid valves is with normally closed interface connection and be communicated with atmosphere, normal ported closure, because the air intake opening of micro air pump 1 is communicated with the common port of a solenoid valve 2, the gas outlet is communicated with the common port of No. two solenoid valves 7, can form a loop this moment: the air intake opening of pump is communicated with common conduit 4 by a solenoid valve 1, the gas outlet of pump is communicated with atmosphere by No. two solenoid valves, can be to the air-breathing formation negative pressure of common conduit during micro air pump 1 work, and the air in the pipeline enters atmosphere.Because No. three solenoid valves 5 are not worked, its common port is communicated with normal ported and is communicated with the import of waste liquid cylinder 6, No. four solenoid valve 9 work, make its normally closed port be communicated with public port, the state that be communicated with this moment is: common conduit 4 is communicated with the import of waste liquid bottle 6, the outlet of waste liquid bottle is communicated with film cylinder 8, and the negative pressure of common conduit 4 will be drawn the interior gas of film cylinder 8 and liquid in waste liquid cylinder 6 during work.
When providing the positive air pressure state in the film pipe 8: No. three solenoid valves 5 of controller control and micro air pump 1 work.The pipeline state that form this moment is: the air intake opening of micro air pump 1 is communicated with atmosphere, and the gas outlet is communicated with common conduit 4, and common conduit 4 is communicated with the film cylinder.Can form malleation to common conduit 4 during work, thereby make film cylinder 8 interior generation positive air pressure.
During to film pipe 8 interior removal waste fluid state: No. three solenoid valves 5 of controller control, No. four solenoid valves 9 and micro air pump 1 work.The pipeline state that form this moment is: the air intake opening of micro air pump 1 is communicated with atmosphere, and the gas outlet is communicated with common conduit 4, and common conduit 4 is communicated with the import of waste liquid cylinder 6, and the outlet of waste liquid cylinder 6 is communicated with film cylinder 8.Can form positive air pressure to common conduit during work, thereby make waste liquid cylinder 6 interior generation positive air pressure, waste liquid is discharged by outlet.
Protection domain of the present utility model is not limited to the above embodiments, and obviously, those skilled in the art can carry out various changes and distortion and not break away from scope and spirit of the present utility model the utility model.If these changes and distortion belong in the scope of the utility model claim and equivalent technologies thereof, then intention of the present utility model also comprises these changes and is out of shape interior.
Claims (2)
1. the pressure control device of a muchine for preparing membrane liquid base thin-layer cell smear, it is characterized in that, comprise micro air pump (1), two ports of micro air pump connect respectively the public port of a solenoid valve (2) and No. two solenoid valves (7) by pipeline, the normal ported of a solenoid valve connects atmosphere by pipeline, the normally closed port of No. two solenoid valves connects atmosphere by pipeline, the normally closed port of a solenoid valve connects the often ported of No. two solenoid valves by pipeline, be connected with common conduit (4) on the normal ported pipeline of the normally closed port of a solenoid valve and No. two solenoid valves, be connected with baroceptor (3) by pipeline on the common conduit, common conduit is terminal to be connected with the public port of No. three solenoid valves (5), the normal ported import that connects waste liquid cylinder (6) by pipeline of No. three solenoid valves, the normally closed port of No. three solenoid valves connects the often ported of No. four solenoid valves (9) by pipeline, the outlet of waste liquid cylinder connects the normally closed port of No. four solenoid valves by pipeline, the public port of No. four solenoid valves is by pipeline junctional membrane cylinder (8), described micro air pump, a solenoid valve, No. two solenoid valves, No. three solenoid valves, No. four solenoid valves and baroceptor are electrically connected with controller respectively.
2. the pressure control device of muchine for preparing membrane liquid base thin-layer cell smear according to claim 1 is characterized in that, a described solenoid valve, and No. two solenoid valves, No. three solenoid valves and No. four solenoid valves are the two-bit triplet solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629748 CN202903565U (en) | 2012-11-26 | 2012-11-26 | Pressure control device of membrane type liquid-based thin cell pelleter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629748 CN202903565U (en) | 2012-11-26 | 2012-11-26 | Pressure control device of membrane type liquid-based thin cell pelleter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903565U true CN202903565U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220629748 Expired - Fee Related CN202903565U (en) | 2012-11-26 | 2012-11-26 | Pressure control device of membrane type liquid-based thin cell pelleter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903565U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487564A (en) * | 2014-09-19 | 2016-04-13 | 孝感宏翔生物医械技术有限公司 | Pressure control device of liquid-based cell preparation machine |
| CN117606887A (en) * | 2024-01-24 | 2024-02-27 | 江苏鑫境医疗科技有限公司 | Cell dispersion bottle film taking device |
-
2012
- 2012-11-26 CN CN 201220629748 patent/CN202903565U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487564A (en) * | 2014-09-19 | 2016-04-13 | 孝感宏翔生物医械技术有限公司 | Pressure control device of liquid-based cell preparation machine |
| CN117606887A (en) * | 2024-01-24 | 2024-02-27 | 江苏鑫境医疗科技有限公司 | Cell dispersion bottle film taking device |
| CN117606887B (en) * | 2024-01-24 | 2024-03-26 | 江苏鑫境医疗科技有限公司 | Cell dispersion bottle film taking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131126 |