CN206348293U - A kind of sampling needle comprehensive detection system - Google Patents
A kind of sampling needle comprehensive detection system Download PDFInfo
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- CN206348293U CN206348293U CN201720001046.4U CN201720001046U CN206348293U CN 206348293 U CN206348293 U CN 206348293U CN 201720001046 U CN201720001046 U CN 201720001046U CN 206348293 U CN206348293 U CN 206348293U
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- sampling needle
- liquid
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- salt solution
- storing barrel
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Abstract
The utility model supplies a kind of sampling needle comprehensive detection system, including：The capacitance measuring tester of electric capacity before and after sampling needle immersion liquid to be tested；The liquid storing barrel of salt solution is stored, the membrane pump that the salt solution in liquid storing barrel is pumped into the middle of sampling needle to be tested and flowed out from the other end of sampling needle to be tested tests the pressure sensor of pressure when sampling needle to be tested leads to salt solution；1 minute duration inputted the balance of brine quality in liquid storing barrel in measuring diaphragm pump；Detection in succession by the A liquid, salt solution, B liquid of sampling needle to be tested after, detection liquid B in liquid A liquid content pigment detection means；Control membrane pump, pressure sensor, capacitance measuring tester, pigment detection means, the control circuit of electronic balance.The utility model measures the flow of sampling needle, and pressure, electric capacity, cross pollution degree automation mechanized operation is simple in construction, convenient operation.
Description
Technical field
The utility model is related to a kind of sampling needle comprehensive detection system.
Background technology
Sampling needle is widely used on the sampling instruments such as biochemical instruments, the performance of sampling needle directly affect biochemical instruments performance and
The precision of inspection.
Sampling needle needle tubing is elongated easily to result in blockage in manufacturing process, and is difficult detection.
Easily make inside and outside needle tubing connection conducting in double-deck pin manufacturing process, so that electric capacity can not be detected.Whether sampling needle leads
Logical is the important parameter of sampling needle.
Sampling needle needle tubing is elongated, and the roughness of nook closing member inwall is extremely difficult to be examined.Nook closing member inwall is more smooth, and sampling precision is higher.
In current sampling needle detecting system, automaticity is low, and complex operation, integrated level is low.Other integrated level is low, no
The various performances of sampling needle can effectively be examined.
Utility model content
The utility model is directed in current sampling needle detecting system, and automaticity is low, and complex operation, integrated level is low.
Other integrated level is low, it is impossible to which effectively there is provided a kind of sampling needle comprehensive detection system for the deficiency of the various performances of inspection sampling needle.
The utility model is to realize that the technical scheme that its technical purpose is used is：A kind of sampling needle comprehensive detection system,
Including：The capacitance measuring tester of electric capacity before and after sampling needle immersion liquid to be tested；The liquid storing barrel of salt solution is stored, by liquid storing barrel
The salt solution membrane pump that is pumped into the middle of sampling needle to be tested and is flowed out from the other end of sampling needle to be tested, test pilot production to be measured
The pressure sensor of pressure when sample pin leads to salt solution；Brine quality in 1 minute duration input liquid storing barrel in measuring diaphragm pump
Balance；Detection in succession by the A liquid, salt solution, B liquid of sampling needle to be tested after, detection liquid B in liquid A liquid content
Pigment detection means；Also include control circuit, described control circuit control barrier film pump work, respectively with pressure sensor,
Capacitance measuring tester, pigment detection means, electronic balance be connected, collect pressure sensor, capacitance measuring tester, pigment detection means,
The testing result of electronic balance.
The utility model measures the flow of sampling needle, and pressure, electric capacity, cross pollution degree automation mechanized operation is simple in construction, side
Convenient to operate.
Further, in above-mentioned sampling needle comprehensive detection system：Also include respectively connection membrane pump, pressure sensor and
The three-way connection of sampling needle to be measured.
Below with reference to drawings and examples, the utility model is described in detail.
Brief description of the drawings
Fig. 1 the utility model example structure figures (one).
Fig. 2 the utility model example structure figures (one).
Embodiment
As shown in Figure 1, 2, the present embodiment is a kind of sampling needle comprehensive detection system to embodiment 1, including：
The capacitance measuring tester 5 of electric capacity before and after the immersion of sampling needle 4 liquid to be tested；The liquid storing barrel 7 of salt solution is stored, will be stored up
The membrane pump 1 that salt solution in liquid bucket 7 is pumped into the middle of sampling needle 4 to be tested and flowed out from the other end of sampling needle 4 to be tested, is surveyed
Try the pressure sensor 3 of pressure when sampling needle 4 to be tested leads to salt solution；Connection membrane pump 1, pressure sensor 3 and to be measured adopt respectively
The three-way connection 2 of sample pin 4.1 minute duration inputted the balance 8 of brine quality in liquid storing barrel 7 in measuring diaphragm pump 1.Detection
In succession by the A liquid, salt solution, B liquid of sampling needle 4 to be tested after, detection liquid B in liquid A liquid content pigment inspection
Survey device 6；Control membrane pump 1, pressure sensor 3, capacitance measuring tester 5, pigment detection means 6, the control circuit of electronic balance 8
9。
Comprehensive detection is carried out using the system of the present embodiment to sampling needle to comprise the following steps：
A. capacitance measuring tester 5 connects sampling needle 4, and test sample pin enters electric capacity before liquid.Control sampling needle 4 descending, sampling
The needle point of pin 4 gos deep into fixed range under liquid level, and the detection sampling needle of capacitance measuring tester 5 enters water capacitance.
B. salt solution, the test sample pin 4 of pressure sensor 3 in the up disengaging liquid level of sampling needle 4, the input liquid storing barrel 7 of membrane pump 1
Pressure during logical salt solution.
C. " salt solution in the input liquid storing barrel 7 of membrane pump 1 " 1 minute duration in B, electronic balance 8 is tested to be adopted in 1 minute
The water yield of sample pin 4, so as to calculate the flow of sampling needle 4.
D. sampling needle leads to liquid A, then at logical salt solution (cleaning inwall), and then sampling needle leads to liquid B.Detected by pigment
The content of liquid A in the detection liquid B of device 6.
E. control circuit 9 be used for control unit membrane pump 1, pressure sensor 3, capacitance measuring tester 5, pigment detection means 6,
Electronic balance 8, and the data that each detection device is measured are handled.
The present embodiment controls the work of membrane pump 1 using a control device 9, is surveyed while receiving pressure sensor 3, electric capacity
Try in instrument 5, pigment detection means 6, the measurement result of electronic balance 8, the present embodiment, control device is an intelligent terminal, such as
One PC or single-chip microcomputer etc., it can receive each measurement data and be handled, and can finally go out a comprehensive detection report
Accuse, be a kind of intelligentized comprehensive detection system, can carry out comprehensive detection to sampling needle using the system of the present embodiment, be not required to
Testing staff is wanted to have how high detection level.
In the present embodiment, water butt 7 need to prepare three or more than, the connected pipeline of the entrance of membrane pump 1 can divide
It is not inserted into these three to deposit respectively in salt solution, detection liquid A, the water butt for detecting liquid B, it would however also be possible to employ one three choosing
One joint, three entrances, which are respectively turned on storage, to be had in salt solution, detection liquid A, the water butt for detecting liquid B, and outlet connects
The entrance of membrane pump 1, is respectively mounted magnetic valve three porch and is controlled by control device 9, and the outlet of membrane pump 1 is connected by three
First 2 connect pressure sensor 3 and sampling needle to be measured 4, so, the pipeline that can be connected in membrane pump 1 with sampling needle 4 to be measured respectively
In separate a branch be used for measure pressure.Sampling needle 4 to be measured is arranged on the detecting position of pigment detection means 6, in control device 9
Control under, three magnetic valves in the inlet duct of membrane pump 1 either on or off successively is that row is opened and is connected with liquid A respectively
Pipeline magnetic valve, then logical salt solution water storage figurines 7 magnetic valve, then open the electricity for leading to the pipeline that liquid B is connected
Magnet valve, so, realizes residue detection.
Claims (3)
1. a kind of sampling needle comprehensive detection system, it is characterised in that：Including：
The capacitance measuring tester (5) of electric capacity before and after sampling needle (4) immersion liquid to be tested；
The liquid storing barrel (7) of salt solution is stored, the salt solution in liquid storing barrel (7) is pumped into the middle of sampling needle to be tested (4) and from treating
The membrane pump (1) of the other end outflow of test sample pin (4), the pressure for testing pressure when sampling needle (4) to be tested leads to salt solution is passed
Sensor (3)；
1 minute duration inputted the balance (8) of brine quality in liquid storing barrel (7) in measuring diaphragm pump (1)；
Detection in succession by the A liquid, salt solution, B liquid of sampling needle to be tested (4) after, liquid A liquid contains in detection liquid B
The pigment detection means (6) of amount；
Also include control circuit (9), described control circuit (9) control membrane pump (1) work, respectively with pressure sensor (3),
Capacitance measuring tester (5), pigment detection means (6), electronic balance (8) are connected, and collect pressure sensor (3), capacitance measuring tester
(5), pigment detection means (6), the testing result of electronic balance (8).
2. sampling needle comprehensive detection system according to claim 1, it is characterised in that：Also include connecting membrane pump respectively
(1), the three-way connection (2) of pressure sensor (3) and sampling needle to be measured (4).
3. sampling needle comprehensive detection system according to claim 2, it is characterised in that：Described three-way connection (2) three
It has been respectively mounted on branch road and magnetic valve is controlled by described control circuit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720001046.4U CN206348293U (en) | 2017-01-03 | 2017-01-03 | A kind of sampling needle comprehensive detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720001046.4U CN206348293U (en) | 2017-01-03 | 2017-01-03 | A kind of sampling needle comprehensive detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206348293U true CN206348293U (en) | 2017-07-21 |
Family
ID=59323892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720001046.4U Active CN206348293U (en) | 2017-01-03 | 2017-01-03 | A kind of sampling needle comprehensive detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206348293U (en) |
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2017
- 2017-01-03 CN CN201720001046.4U patent/CN206348293U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 1401-1, building 1, Baiwang R & D building, 5158 xilishahe West Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen hengyongda Technology Co.,Ltd. Address before: 518000 floor 14, block a, building 1, Baiwang R & D building, No. 5158, Shahe West Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FOREACH TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |