CN205229009U - Adopt high accuracy hematology analyzer of VCS technique - Google Patents
Adopt high accuracy hematology analyzer of VCS technique Download PDFInfo
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- CN205229009U CN205229009U CN201521066668.2U CN201521066668U CN205229009U CN 205229009 U CN205229009 U CN 205229009U CN 201521066668 U CN201521066668 U CN 201521066668U CN 205229009 U CN205229009 U CN 205229009U
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- operational amplifier
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- blood
- electric capacity
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Abstract
The utility model relates to an adopt high accuracy hematology analyzer of VCS technique, including blood collection mechanism, pipeline, sampling actuating mechanism, mixed organization and circulation detection mechanism, blood collection mechanism, sampling actuating mechanism, the mixed organization passes through pipeline with circulation detection mechanism and communicates in proper order, this adopt high accuracy hematology analyzer of VCS technique passes through signal acquisition pair of module low frequency probe, high frequency probe and laser probe carry out the analysis to the detection data of blood cell, the signal amplification circuit who gives first place to through an operational amplifier carries out filter amplifier to sampled signal, the reliability of signal sampling has been improved, the bias circuit who gives first place to through the second operation amplifier offsets to the signal, the reliability of follow -up sampling chip to signal detection and analysis has been guaranteed, thereby the accurate detection and analysis to sampled signal has been improved, moreover, the rethread display screen can show detecting data in real time to hematology analyzer's practicality has been improved.
Description
Technical field
The utility model relates to a kind of high-precision blood cytoanalyze adopting VCS technology.
Background technology
Along with the development of science and technology and the progress of society, the electronic technology of China obtains develop rapidly.Along with adding of various Novel electronic product, the progress of all trades and professions is remarkable.
At medical field, present cellanalyzer universal functionality is single, and after detecting sample, by printer print data, staff cannot monitor in real time to data; Simultaneously in the process that sample is detected, due to the poor anti jamming capability of instrument, be easily subject to various signal disturbing, thus the accuracy detecting data can be affected.
Utility model content
The technical problems to be solved in the utility model is: in order to overcome the not high and deficiency of input low precision of prior art practicality, provide a kind of practicality high and the high-precision blood cytoanalyze of the employing VCS technology that accuracy of detection is high.
The utility model solves the technical scheme that its technical matters adopts: a kind of high-precision blood cytoanalyze adopting VCS technology, comprise blood specimen collection mechanism, conveyance conduit, sampling driving mechanism, mixed organization and circulation testing agency, described blood specimen collection mechanism, sampling driving mechanism, mixed organization is communicated with by conveyance conduit successively with circulation testing agency, described mixed organization comprises mixing pit, be arranged on conversion plug and the circulation duct of mixing pit opening part, described conveyance conduit is communicated with circulation duct by conversion plug, described circulation duct is arranged on the inside of mixing pit,
Described circulation testing agency comprises flow-through cell and detection display unit, described detection display unit is arranged on the side of flow-through cell, described flow-through cell comprises shell and flow cell, described flow cell is arranged in the enclosure, described flow cell is communicated with mixed organization by conveyance conduit, described detection display unit comprises some detector probe and display screen, and described detector probe is connected with flow cell, and described detector probe comprises low frequency probe, high frequency probe and laser probe;
Described detector probe is electrically connected with signal acquisition module, described signal acquisition module comprises signal acquisition circuit, described signal acquisition circuit comprises the first operational amplifier, second operational amplifier, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, 9th resistance, first electric capacity, second electric capacity and the 3rd electric capacity, the inverting input of described first operational amplifier is connected with the first resistance, the in-phase input end of described first operational amplifier is connected with the second resistance, the inverting input of described first operational amplifier is connected with the in-phase input end of the first operational amplifier by the first electric capacity, the inverting input of described first operational amplifier passes through the output head grounding of the 3rd resistance and the first operational amplifier, the output terminal of described first operational amplifier passes through the series circuit ground connection of the 4th resistance and the second electric capacity composition, the output terminal of described first operational amplifier is connected with the inverting input of the second operational amplifier with the series circuit that the 5th resistance forms by the 4th resistance, the in-phase input end of described second operational amplifier is by the 8th resistance eutral grounding, the in-phase input end of described second operational amplifier is by the external 3.3V DC voltage power supply of the 9th resistance, the output terminal of described second operational amplifier passes through the series circuit ground connection of the 7th resistance and the 3rd electric capacity composition, the output terminal of described second operational amplifier is by the external 3.3V DC voltage power supply of the 6th resistance.
As preferably, described blood specimen collection mechanism comprises blood sample test tube, and the capacity of described blood sample test tube is 20mL.
As preferably, utilize sampling valve to drive stable feature, ensure that the sampling reliability of cellanalyzer, described sampling driving mechanism comprises sampling valve.
As preferably, by the feature that capillary caliber is thin, blood makes fully to mix in mixing pit, improves the reliability of Blood cell analyzer detection, and described circulation duct is capillary.
As preferably, in order to improve variation and the practicality of the data display of cellanalyzer, described display screen is LCDs.
The beneficial effects of the utility model are, the high-precision blood cytoanalyze of this employing VCS technology by signal acquisition module to low frequency probe, high frequency probe and the laser probe detection data analysis to haemocyte, the signal amplification circuit being master by the first operational amplifier carries out filter and amplification to sampled signal, improve the reliability of signal sampling, the biasing circuit being master by the second operational amplifier is biased signal, ensure that the reliability that subsequent sampling chip is analyzed input, thus improve the accurate detection analysis to sampled signal; Moreover, then can be shown in real time detection data by display screen, thus improve the practicality of cellanalyzer.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation that the utility model adopts the high-precision blood cytoanalyze of VCS technology;
Fig. 2 is the circuit theory diagrams that the utility model adopts the signal acquisition circuit of the high-precision blood cytoanalyze of VCS technology;
In figure: 1. blood specimen collection mechanism, 2. conveyance conduit, driving mechanism of 3. sampling, 4. conversion plug, 5. circulation duct, 6. mixing pit, 7. shell, 8. flow cell, 9. detector probe, 10. display screen, U1. first operational amplifier, U2. second operational amplifier, R1. the first resistance, R2. second resistance, R3. the 3rd resistance, R4. the 4th resistance, R5. the 5th resistance, R6. the 6th resistance, R7. the 7th resistance, R8. the 8th resistance, R9. the 9th resistance, C1. first electric capacity, C2. second electric capacity, C3. the 3rd electric capacity.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As depicted in figs. 1 and 2, a kind of high-precision blood cytoanalyze adopting VCS technology, comprise blood specimen collection mechanism 1, conveyance conduit 2, sampling driving mechanism 3, mixed organization and circulation testing agency, described blood specimen collection mechanism 1, sampling driving mechanism 3, mixed organization are communicated with by conveyance conduit 2 successively with circulation testing agency, described mixed organization comprises mixing pit 6, is arranged on conversion plug 4 and the circulation duct 5 of mixing pit 6 opening part, described conveyance conduit 2 is communicated with circulation duct 5 by conversion plug 4, and described circulation duct 5 is arranged on the inside of mixing pit 6;
Described circulation testing agency comprises flow-through cell and detection display unit, described detection display unit is arranged on the side of flow-through cell, described flow-through cell comprises shell 7 and flow cell 8, described flow cell 8 is arranged in shell 7, described flow cell 8 is communicated with mixed organization by conveyance conduit 2, described detection display unit comprises some detector probe 9 and display screen 10, and described detector probe 9 is connected with flow cell 8, and described detector probe 9 comprises low frequency probe, high frequency probe and laser probe;
Described detector probe 9 is electrically connected with signal acquisition module, described signal acquisition module comprises signal acquisition circuit, described signal acquisition circuit comprises the first operational amplifier U1, second operational amplifier U2, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, 8th resistance R8, 9th resistance R9, first electric capacity C1, second electric capacity C2 and the 3rd electric capacity C3, the inverting input of described first operational amplifier U1 is connected with the first resistance R1, the in-phase input end of described first operational amplifier U1 is connected with the second resistance R2, the inverting input of described first operational amplifier U1 is connected with the in-phase input end of the first operational amplifier U1 by the first electric capacity C1, the inverting input of described first operational amplifier U1 passes through the output head grounding of the 3rd resistance R3 and the first operational amplifier U1, the output terminal of described first operational amplifier U1 passes through the series circuit ground connection of the 4th resistance R4 and the second electric capacity C2 composition, the output terminal of described first operational amplifier U1 is connected with the inverting input of the second operational amplifier U2 with the series circuit that the 5th resistance R5 forms by the 4th resistance R4, the in-phase input end of described second operational amplifier U2 is by the 8th resistance R8 ground connection, the in-phase input end of described second operational amplifier U2 is by the external 3.3V DC voltage power supply of the 9th resistance R9, the output terminal of described second operational amplifier U2 passes through the series circuit ground connection of the 7th resistance R7 and the 3rd electric capacity C3 composition, the output terminal of described second operational amplifier U2 is by the external 3.3V DC voltage power supply of the 6th resistance R6.
As preferably, described blood specimen collection mechanism 1 comprises blood sample test tube, and the capacity of described blood sample test tube is 20mL.
As preferably, utilize sampling valve to drive stable feature, ensure that the sampling reliability of cellanalyzer, described sampling driving mechanism 3 comprises sampling valve.
As preferably, by the feature that capillary caliber is thin, blood makes fully mixing in mixing pit 6, and improve the reliability of Blood cell analyzer detection, described circulation duct 5 is capillary.
As preferably, in order to improve variation and the practicality of the data display of cellanalyzer, described display screen 10 is LCDs.
The principle of work of the high-precision blood cytoanalyze of this employing VCS technology is: first will the blood detected be needed to be placed in blood specimen collection mechanism 1, by sampling driving mechanism 3 by pump blood in mixed organization, finally by circulation, testing agency is detected it, thus completes the detection to blood.Conversion plug 4 wherein in mixed organization, for being transformed in circulation duct 5 by the blood flowed in conveyance conduit 2, by haemocyte conveying one by one, then by circulation duct 5 by the mixed liquor in mixing pit 6, makes the mixed liquor in blood and mixing pit 6 mix.In circulation testing agency, mixed liquor is by flow cell 8, by low frequency probe, high frequency probe and laser probe, the cell volume completely of the haemocyte in flow cell 8, the information of nucleus complexity and the particle characteristics of cell are detected again, thus achieve the analysis to haemocyte.Display screen 10, for controlling the work of each mechanism, ensures the intellectuality of analyser.
In fact: VCS technology uses V, C, S tri-kinds of probes exactly, in a certain site of streaming channel, to the single-row leucocyte passed through, one by one, simultaneously, triple detection is carried out, and three dimensional analysis, to determine its subgroup character.Wherein V-low frequency wave, analysis of cells volume; C-low frequency wave, analysis of cells caryogram; S-laser, the particle characteristics of analysis of cells.
In signal acquisition circuit, first the signal amplification circuit being master by the first operational amplifier U1 carries out signal amplification to sampled signal, wherein the first electric capacity C1 is then for carrying out bypass decoupling to sampled signal, improve the reliability of signal sampling, the RC filtering circuit simultaneously consisted of the 4th resistance R4 and the second electric capacity C2 carries out filtering, improves the reliability of detected signal; The biasing circuit being master by the second operational amplifier U2 is again biased signal, ensure that the reliability that subsequent sampling chip is analyzed input.
Compared with prior art, the high-precision blood cytoanalyze of this employing VCS technology by signal acquisition module to low frequency probe, high frequency probe and the laser probe detection data analysis to haemocyte, the signal amplification circuit being master by the first operational amplifier U1 carries out filter and amplification to sampled signal, improve the reliability of signal sampling, the biasing circuit being master by the second operational amplifier U2 is biased signal, ensure that the reliability that subsequent sampling chip is analyzed input, thus improve the accurate detection analysis to sampled signal; Moreover, then can be shown in real time detection data by display screen 10, thus improve the practicality of cellanalyzer.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to right.
Claims (5)
1. one kind adopts the high-precision blood cytoanalyze of VCS technology, it is characterized in that, comprise blood specimen collection mechanism (1), conveyance conduit (2), sampling driving mechanism (3), mixed organization and circulation testing agency, described blood specimen collection mechanism (1), sampling driving mechanism (3), mixed organization is communicated with by conveyance conduit (2) successively with circulation testing agency, described mixed organization comprises mixing pit (6), be arranged on conversion plug (4) and the circulation duct (5) of mixing pit (6) opening part, described conveyance conduit (2) is communicated with circulation duct (5) by conversion plug (4), described circulation duct (5) is arranged on the inside of mixing pit (6),
Described circulation testing agency comprises flow-through cell and detection display unit, described detection display unit is arranged on the side of flow-through cell, described flow-through cell comprises shell (7) and flow cell (8), described flow cell (8) is arranged in shell (7), described flow cell (8) is communicated with mixed organization by conveyance conduit (2), described detection display unit comprises some detector probe (9) and display screen (10), described detector probe (9) is connected with flow cell (8), described detector probe (9) comprises low frequency probe, high frequency probe and laser probe,
Described detector probe (9) is electrically connected with signal acquisition module, described signal acquisition module comprises signal acquisition circuit, described signal acquisition circuit comprises the first operational amplifier (U1), second operational amplifier (U2), first resistance (R1), second resistance (R2), 3rd resistance (R3), 4th resistance (R4), 5th resistance (R5), 6th resistance (R6), 7th resistance (R7), 8th resistance (R8), 9th resistance (R9), first electric capacity (C1), second electric capacity (C2) and the 3rd electric capacity (C3), the inverting input of described first operational amplifier (U1) is connected with the first resistance (R1), the in-phase input end of described first operational amplifier (U1) is connected with the second resistance (R2), the inverting input of described first operational amplifier (U1) is connected with the in-phase input end of the first operational amplifier (U1) by the first electric capacity (C1), the inverting input of described first operational amplifier (U1) is by the output head grounding of the 3rd resistance (R3) with the first operational amplifier (U1), the series circuit ground connection that the output terminal of described first operational amplifier (U1) consists of the 4th resistance (R4) and the second electric capacity (C2), the output terminal of described first operational amplifier (U1) is connected with the inverting input of the second operational amplifier (U2) with the series circuit that the 5th resistance (R5) forms by the 4th resistance (R4), the in-phase input end of described second operational amplifier (U2) is by the 8th resistance (R8) ground connection, the in-phase input end of described second operational amplifier (U2) is by the external 3.3V DC voltage power supply of the 9th resistance (R9), the series circuit ground connection that the output terminal of described second operational amplifier (U2) consists of the 7th resistance (R7) and the 3rd electric capacity (C3), the output terminal of described second operational amplifier (U2) is by the external 3.3V DC voltage power supply of the 6th resistance (R6).
2. the high-precision blood cytoanalyze adopting VCS technology as claimed in claim 1, it is characterized in that, described blood specimen collection mechanism (1) comprises blood sample test tube, and the capacity of described blood sample test tube is 20mL.
3. the high-precision blood cytoanalyze adopting VCS technology as claimed in claim 1, it is characterized in that, described sampling driving mechanism (3) comprises sampling valve.
4. the high-precision blood cytoanalyze adopting VCS technology as claimed in claim 1, it is characterized in that, described circulation duct (5) is capillary.
5. the high-precision blood cytoanalyze adopting VCS technology as claimed in claim 1, it is characterized in that, described display screen (10) is LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066668.2U CN205229009U (en) | 2015-12-17 | 2015-12-17 | Adopt high accuracy hematology analyzer of VCS technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066668.2U CN205229009U (en) | 2015-12-17 | 2015-12-17 | Adopt high accuracy hematology analyzer of VCS technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205229009U true CN205229009U (en) | 2016-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521066668.2U Expired - Fee Related CN205229009U (en) | 2015-12-17 | 2015-12-17 | Adopt high accuracy hematology analyzer of VCS technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205229009U (en) |
-
2015
- 2015-12-17 CN CN201521066668.2U patent/CN205229009U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161217 |