CN205786467U - Blood gas analyzer - Google Patents

Abstract

This utility model relates to a kind of blood gas analyzer, including test card assembly and reagent pack assembly, test card assembly at least includes the test card main body being provided with calibration solution mouth, reagent pack assembly at least includes rotary switch assembly, device for storing liquid, air intake installation and be provided with the sampling device of feed liquor pin, rotary switch assembly includes being provided with first mouth of pipe connected with device for storing liquid, second mouth of pipe connected with sampling device, the fixed valve body of the 3rd mouth of pipe connected with air intake installation, and it is communicated with the rotation main body of pipeline, the two ends of feed liquor pin connect with second mouth of pipe and calibration solution mouth respectively, rotate main body be arranged at fixed valve body inside and valve body rotation can be relatively fixed to realize first mouth of pipe and the connection of second mouth of pipe, or second mouth of pipe and the connection of the 3rd mouth of pipe, or close second mouth of pipe.The break-make that this blood gas analyzer utilizes rotary switch assembly to realize different pipeline controls, it is not necessary to compresses and loosens sebific duct action, there is not line clogging hidden danger, prevents calibration solution from leaking.

Description

Blood gas analyzer

Technical field

This utility model relates to field of medical technology, particularly to a kind of blood gas analyzer.

Background technology

Blood gas analyzer belongs to conventional armarium, has reagent bag in blood gas analyzer, and this reagent bag storage has calibration Liquid, for calibrating electrode to be measured.In order to ensure the stability of calibration solution composition, it is necessary to it is carried out good sealing. Reagent bag on the market is mainly made up of housing, sebific duct, rubber tube valve etc..Rubber tube valve can insert around housing assembling position, makes card Hook portion snaps in hole clipping, and housing, rubber tube valve compress sebific duct, it is achieved the shutoff of sebific duct；Pothook is made to depart from outside hole clipping, housing, Rubber tube valve loosens the compression to sebific duct, and sebific duct relies on the elasticity of himself, by rubber tube valve jack-up, it is achieved the conducting of sebific duct. Although this break-make that can realize sebific duct controls, but it has the disadvantage in that reagent wraps in transport and storing process and needs by glue Tube valve compresses sebific duct for a long time and prevents calibration solution from revealing, and long-term impaction state makes sebific duct easily bond together and can not return Bullet, causes line clogging；The action that valve compresses sebific duct is unreliable, exists and can not kill pipeline section completely and cause liquid to leak Hidden danger.

Utility model content

The purpose of this utility model is to provide a kind of blood gas analyzer, it is possible to avoid the feelings of line clogging and fluid leakage Condition occurs.

For realizing the purpose of this utility model, adopt the technical scheme that:

A kind of blood gas analyzer, including test card assembly and reagent pack assembly, test card assembly at least includes being provided with calibration The test card main body of liquid mouth, reagent pack assembly at least includes rotary switch assembly, device for storing liquid, air intake installation and is provided with feed liquor The sampling device of pin, rotary switch assembly includes being provided with that first mouth of pipe connected with device for storing liquid connects with sampling device The fixed valve body of the 3rd mouth of pipe that two mouths of pipe connect with air intake installation and be communicated with the rotation main body of pipeline, feed liquor pin Two ends connect with second mouth of pipe and calibration solution mouth respectively, and rotation main body is arranged at inside fixed valve body and can be relatively fixed valve body and turns Dynamic to realize first mouth of pipe and the connection of second mouth of pipe or second mouth of pipe and the connection of the 3rd mouth of pipe or to close second mouth of pipe.

When rotary switch assembly is in the state of first mouth of pipe and the connection of second mouth of pipe, device for storing liquid is with sampling device even Logical, the extraction of calibration solution can be carried out；When rotary switch assembly is in the state of second mouth of pipe and the connection of the 3rd mouth of pipe, sample introduction fills Put and be connected with air intake installation, the extraction of air can be carried out；When rotary switch assembly is in the state that second mouth of pipe is closed, the Two mouths of pipe are closed, i.e. sampling device is closed, in order to test card carries out extracting test fluid action.This blood gas analyzer utilizes rotation to open Close assembly and realize the break-make control of different pipeline, it is not necessary to compress and loosen sebific duct action, there is not line clogging hidden danger, revolve simultaneously Turning switch module when the third state, first mouth of pipe is effectively closed, and prevents calibration solution from leaking.

Below technical scheme is further illustrated:

Further, test card main body is additionally provided with fluid pipeline, injection port and electrode circuit plate, and fluid pipeline includes surveying Test solution pipeline, calibration solution pipeline and the electrode pipeline connected with electrode circuit plate, one end of test fluid pipeline connects with injection port, The other end and calibration solution pipeline and electrode pipeline communication, calibration solution pipeline connects with calibration solution mouth away from one end of test fluid pipeline Logical, the liquid level highest point of calibration solution pipeline is higher than the liquid level of test fluid.After completing test, calibration solution mouth takes off with reagent pack assembly From, test fluid is stored in electrode pipeline and calibration solution pipeline, owing to the liquid level highest point of calibration solution pipeline is higher than test fluid Liquid level, under the effect without external force, test fluid cannot flow through the liquid level highest point of calibration solution pipeline, and liquid will not be from calibration solution mouth Reveal, prevent liquid from polluting.Compared with traditional blood gas analyzer, calibration solution mouth of the present utility model without arranging sealing-plug, Reagent pack assembly directly connects with calibration solution mouth, there is not the problem producing chip because piercing through sealing-plug, eliminates chip and pollutes Electrode causes the hidden danger that test is scrapped.

Further, the liquid level highest point of calibration solution pipeline is arranged with opening up leakage-proof socket.Leakage-proof socket and calibration There is cross section between liquid pipeline poor, test fluid cannot flow out because of self liquid tension from leakage-proof socket, prevent further liquid from Calibration solution mouth leaks.

Further, test card main body is additionally provided with fluid pipeline, injection port, bleeding point and electrode circuit plate, liquid line Road includes test fluid pipeline, waste liquid chamber and the electrode pipeline connected with electrode circuit plate, the two ends of test fluid pipeline respectively with enter Sample mouth and electrode pipeline communication, electrode pipeline connects with the inlet in waste liquid chamber away from one end of test fluid pipeline, waste liquid chamber Liquid outlet connects with bleeding point, and liquid outlet is positioned at the top of inlet.After completing test, bleeding point departs from external device (ED), fixed Mark liquid is stored in waste liquid intracavity, owing to the liquid outlet in waste liquid chamber is positioned at the top of inlet, and calibration solution under the effect without external force Cannot flow out from liquid outlet, then the bleeding point connected with liquid outlet does not haves fluid leakage, prevents liquid from polluting.With traditional Blood gas analyzer is compared, and bleeding point of the present utility model is without arranging sealing-plug, and external device (ED) directly connects with bleeding point, no There is the problem producing chip because piercing through sealing-plug, eliminate the hidden danger that chip contaminated electrode causes test to scrap.

Further, waste liquid chamber at least includes the first waste liquid chamber being arranged side by side and the second waste liquid chamber, connects first and give up Sap cavity and the leakage fluid dram in the second waste liquid chamber, the bottom in the first waste liquid chamber is provided with inlet, and the top in the second waste liquid chamber is provided with out liquid Mouthful, leakage fluid dram is located close to the side of liquid outlet.After having tested, calibration solution is stored in the first waste liquid intracavity, the first waste liquid chamber With second be provided with leakage fluid dram between waste liquid chamber, and leakage fluid dram be located close to liquid outlet side and connect the first waste liquid chamber and , there is cross section between leakage fluid dram and waste liquid chamber poor in the top in the second waste liquid chamber, calibration solution cannot be from first because of self liquid tension Waste liquid chamber flows into the second waste liquid intracavity, prevents liquid from leaking out from bleeding point further.

Further, the first waste liquid intracavity and the second waste liquid intracavity are equipped with support column.By arranging support column, prevent Test is stuck in when being bled by bleeding point, and the diaphragm seal on test card is absorbed in waste liquid intracavity.

Further, blood gas analyzer also includes that the test valve member being provided with press part, test card main body are additionally provided with Fluid pipeline, test card assembly also includes the diaphragm seal of sealing liquid pipeline, and diaphragm seal is elastic composite film, and fluid pipeline is with close The opposite face of sealer is provided with valve groove, and diaphragm seal is between valve groove and press part, and press part is provided with and valve groove shape The pressure head joined.When press part crush seal film is fitted to valve groove side, test fluid pipeline realizes closing；Diaphragm seal is elastic multiple Closing film, when extrusion leaves diaphragm seal, diaphragm seal leaves valve groove by the elastic deformation of self, and test fluid pipeline realizes beating Open.Valve groove is arranged in test fluid pipeline, is integrally formed with test fluid pipeline, there is not unnecessary cavity, does not remain bubble, with Time reduce test fluid consumption, improve test accuracy；Without arranging on and off switch plug and logical for covering in test card main body The diaphragm seal of road switch plug, it is to avoid leakage problem, reduces number of parts, it is simple to produce, reduces product fraction defective.

Further, valve trench bottom is provided with the jut protruding to diaphragm seal side.Diaphragm seal is filled into valve groove Time upper, jut is bumped in diaphragm seal, and the obturation effect making test fluid pipeline is more preferable.

Further, test valve member also includes that drive press part reciprocating to valve groove side first drives Dynamic device.

Further, fixed valve body and rotation main body interference fit.Rotation main body wall is utilized to realize the closing of pipeline, Smart structural design.

Further, blood gas analyzer also includes that reagent bag Valve controlling assembly, reagent bag Valve controlling assembly also wrap Include the second driving means being sheathed on the swivelling cover rotated in main body, driving swivelling cover to rotate.Second driving means is rotated Lid and rotation main body realize rotary motion, and the break-make utilizing rotary switch assembly to realize different pipeline controls.

Further, test card main body is additionally provided with injection port, bleeding point, electrode circuit plate and fluid pipeline, liquid line Road includes test fluid pipeline, calibration solution pipeline, waste liquid chamber and the electrode pipeline connected with electrode circuit plate, the one of test fluid pipeline End connects with injection port, and the other end and calibration solution pipeline and described electrode pipeline communication, calibration solution pipeline is away from test fluid pipeline One end connect with calibration solution mouth, the liquid level highest point of calibration solution pipeline is higher than the liquid level of test fluid, and electrode pipeline is away from described One end of test fluid pipeline connects with the inlet in waste liquid chamber, and the liquid outlet in waste liquid chamber connects with bleeding point, liquid outlet be positioned at into The top of liquid mouth.Under the effect without external force, test fluid cannot flow through the liquid level highest point of calibration solution pipeline, and calibration solution liquid cannot Liquid outlet from waste liquid chamber flows out, and prevents liquid outflow from calibration solution mouth and the bleeding point that connect with liquid outlet, prevents liquid Pollute.

Further, blood gas analyzer also includes that the test valve member being provided with press part, test card main body are additionally provided with Injection port, electrode circuit plate and fluid pipeline, test card assembly also includes the diaphragm seal of sealing liquid pipeline, and fluid pipeline is with close The opposite face of sealer is provided with valve groove, and diaphragm seal is between valve groove and press part, and press part is provided with and valve groove shape The pressure head joined；Fluid pipeline includes test fluid pipeline, calibration solution pipeline and the electrode pipeline connected with electrode circuit plate, test fluid One end of pipeline connects with injection port, and the other end and calibration solution pipeline and electrode pipeline communication, calibration solution pipeline is away from test fluid One end of pipeline connects with calibration solution mouth, and the liquid level highest point of calibration solution pipeline is higher than the liquid level of test fluid.Prevent liquid from fixed Mark liquid mouth flows out and avoids leakage problem, improves the accuracy of blood gas analyzer test.

Further, blood gas analyzer also includes that the test valve member being provided with press part, test card main body are additionally provided with Injection port, bleeding point, electrode circuit plate and fluid pipeline, test card assembly also includes the diaphragm seal of sealing liquid pipeline, liquid Pipeline is provided with valve groove with the opposite face of diaphragm seal, and diaphragm seal is between valve groove and press part, and press part is provided with and valve The pressure head of groove shape coupling；Fluid pipeline includes test fluid pipeline, waste liquid chamber and the electrode pipeline connected with electrode circuit plate, surveys The two ends of test solution pipeline respectively with injection port and electrode pipeline communication, electrode pipeline is away from one end and the waste liquid chamber of test fluid pipeline Inlet connection, the liquid outlet in waste liquid chamber connects with bleeding point, and liquid outlet is positioned at the top of inlet.Prevent liquid from bleeding Mouth flows out and avoids leakage problem, improves the accuracy of blood gas analyzer test.

Further, fluid pipeline includes calibration solution pipeline, one end of test fluid pipeline and electrode pipeline communication also with Calibration solution pipeline and described electrode pipeline communication, calibration solution pipeline connects with calibration solution mouth away from one end of test fluid pipeline, fixed The liquid level highest point of mark liquid pipeline is higher than the liquid level of test fluid.Prevent liquid from flowing out from bleeding point and calibration solution mouth and avoiding Lou Gas problem, improves the accuracy of blood gas analyzer test.

Further, blood gas analyzer also includes that piston pump assembly, test card main body are additionally provided with bleeding point, piston pump group Piston that what part included that one end connects with bleeding point bleed pin is connected with union joint with the union joint of pin connection of bleeding, drive work The 3rd driving means of straight reciprocating motion made by plug.In test process, drive piston to retreat by the 3rd driving means, make survey Fluid pipeline in examination card main body produces negative pressure, makes calibration solution, air or test fluid carry out, in fluid pipeline, completing each medium Extraction.

Further, blood gas analyzer also includes sealing member, and sealing member is sheathed on feed liquor pin and bleeds on pin, test card The outer wall of main body is provided with and the seal groove of sealing member form fit.The effect preventing liquid from leaking making blood gas analyzer is more preferable, Compared with traditional blood gas analyzer, sealing member is sealed in feed liquor pin and bleed pin, reagent pack assembly and piston pump assembly respectively With test after card main body separates, on the premise of ensureing to seal, avoid again eliminating that chip contaminated electrode causes that test scraps is hidden Suffer from.

Further, blood gas analyzer also includes that slide fastener assembly, test card main body are additionally provided with electrode circuit plate, slide fastener group Part is oppositely arranged with test card main body and is positioned at test card main body towards the side of electrode circuit plate, slide fastener assembly include slide block, First fixes the first compression spring that seat, two ends offset respectively with slide block and fixing seat, and slide block is provided with to test card body side The first protruding plug, test card main body is provided with the first stopper slot coordinated with the first plug.Test card assembly inserts reagent bag After assembly, slide block, under the effect of the first compression spring, makes the first plug on slide block insert in the first stopper slot, it is achieved to survey The location of examination card main body.

Further, blood gas analyzer also includes heating assembly, and test card main body is additionally provided with electrode circuit plate, heating group Part is oppositely arranged with test card main body and is positioned at the side of test card main body electrode circuit plate dorsad, and heating assembly includes and electricity The first calandria that pole wiring board is oppositely arranged, the calandria fixed support being fixed with the first calandria, driving calandria are fixed The four-drive device that support is reciprocating to electrode circuit plate side, calandria fixed support is provided with to test card main body one The second plug that side is protruding, test card main body is provided with the second stopper slot coordinated with the second plug.Test card assembly inserts reagent After pack assembly, slide block, under the effect of the first compression spring, makes the first plug on slide block insert in the first stopper slot, it is achieved right The first location of test card main body；Second plug, under the effect of four-drive device, moves to test card body side, and The second plug is made to insert in the second stopper slot, it is achieved the second positioning to test card main body, the location making test card main body is more smart The most reliable, and add the liquid in Thermal test card main body by the first calandria, make liquid reach the temperature of regulation.Slide fastener assembly and Heating assembly carries out bilateral location to the front and back of test card main body, makes test card main body uniform force, is not forced change Shape.

Further, blood gas analyzer also includes being positioned at the assembly of upspringing immediately below test card main body, assembly bag of upspringing Include second and fix seat and seat and press block are fixed with second respectively in the press block that is oppositely arranged of bottom of test card main body, two ends The second compression spring offseted.After test card assembly inserts reagent pack assembly, slide fastener assembly and heating assembly are to test card main body It is fixed location, presses under press part stress, the second compression spring forced compression；After test completes, slide fastener assembly and heating After test card main body is fixed by module cancels, press block is upwards resilience under the effect of the second compression spring, it is achieved test card Automatically upspringing of main body.

Further, blood gas analyzer also includes that test suite, test suite are oppositely arranged and position with test card main body In testing the card main body side towards electrode circuit plate, test suite includes what detection module and electrode circuit plate were oppositely arranged Second calandria, it is fixed with detection module and the housing of the second calandria, drive shell and makees reciprocal fortune to electrode circuit plate side The 5th dynamic driving means, slide block is positioned at the top of housing, and the bottom of slide block is convexly equipped with cooperation muscle to the side of housing, housing Top is convexly equipped with promotion muscle to the side of slide block, promotes muscle coordinating between muscle and test card main body.Test card assembly inserts After reagent pack assembly, the second calandria in the 5th driving means drive shell is to electrode circuit plate one side shifting, the first plug Inserting the first stopper slot, the second plug inserts the second stopper slot；After test suite energising, electrode circuit plate is heated, make test card Liquid in main body reaches the temperature of regulation, and the electric current produced on electrode circuit plate, voltage signal is passed by detection module Deliver in main frame, it is achieved calibration solution and the test of test fluid；After having tested, the 5th driving means drive shell of test suite Retreat, owing to promoting muscle coordinating between muscle and test card main body, when the promotion muscle on housing contacts with coordinating muscle, promote muscle Along with housing continues to retreat, slide block is along with promoting muscle to retreat together, and the first compression spring is compressed, and makes first on slide block insert Head departs from the first stopper slot.After test card main body is upspring automatically, the 5th driving means makes housing move forward, and slide block is in the first pressure Move forward the most together under the effect of contracting spring, coordinate muscle extruding to promote muscle, when housing moves to promoting muscle and coordinating between muscle In time without stress, the first plug of slide fastener assembly returns to initial position, it is simple to carry out the test of next round, ingehious design coordinate muscle and Promote the structure of muscle, it is achieved the test suite position control to slide fastener assembly, action is more reliable.

Further, blood gas analyzer also includes testing valve member, reagent bag Valve controlling assembly, piston pump group Part, heating assembly and test suite, test card main body is additionally provided with electrode circuit plate, bleeding point and is provided with the liquid line of valve groove Road, test valve member also includes the first driving means driving press part reciprocating to valve groove side, reagent bag valve Gate control assembly also includes the second driving means being sheathed on the swivelling cover rotated in main body, driving swivelling cover to rotate, piston pump Piston that what assembly included that one end connects with bleeding point bleed pin is connected with union joint with the union joint of pin connection of bleeding, driving Piston makees the 3rd driving means of straight reciprocating motion, and heating assembly includes the first heating being oppositely arranged with electrode circuit plate Body, be fixed with the calandria fixed support of the first calandria, to drive calandria fixed support to make to electrode circuit plate side reciprocal The four-drive device of motion, test suite includes the second calandria that detection module and electrode circuit plate be oppositely arranged, fixing Have detection module and the housing of the second calandria, drive shell reciprocating to electrode circuit plate side the 5th driving dress Put.Test valve member, reagent bag Valve controlling assembly, piston pump assembly, heating assembly and test suite all have independent driving Dynamic device controls, and compared with the rotating disk synchronous driving system of traditional blood gas analyzer, the control of blood gas analyzer is more flexible, Shorten the working cycle.

Further, the first driving means, the 3rd driving means, four-drive device and the 5th driving means are straight line Motor, the second driving means is rotating stepper motor.First driving means, the second driving means, the 3rd driving means, Four-drive device and the 5th driving means are motor, with the rotating disk synchronous driving system phase of traditional blood gas analyzer Ratio, the speed of motor is adjustable, and action is the most controlled, and noise is little, and simplifies structure, improves packaging efficiency.

Further, the first driving means, the second driving means, the 3rd driving means, four-drive device and the 5th Driving means is equipped with reset optocoupler.Reset optocoupler plays detection motor shaft initial position effect, eliminates each post exercise position Error, makes control more accurate.

Compared with prior art, this utility model has the advantages that

This utility model when rotary switch assembly be in first mouth of pipe and second mouth of pipe connection state time, device for storing liquid with Sampling device connects, and can carry out the extraction of calibration solution；When rotary switch assembly is in second mouth of pipe and the shape of the 3rd mouth of pipe connection During state, sampling device is connected with air intake installation, can carry out the extraction of air；Close when rotary switch assembly is in second mouth of pipe State time, second the mouth of pipe close, i.e. sampling device close, in order to test card carry out extract test fluid action.This blood gas analysis The break-make that instrument utilizes rotary switch assembly to realize different pipeline controls, it is not necessary to compress and loosen sebific duct action, there is not pipeline and blocks up Plug hidden danger, rotary switch assembly is when the third state simultaneously, and first mouth of pipe is effectively closed, and prevents calibration solution from leaking.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model embodiment blood gas analyzer；

Fig. 2 is the exploded perspective view of this utility model embodiment blood gas analyzer；

Fig. 3 is this utility model embodiment test card assembly and the connection diagram of reagent pack assembly；

Fig. 4 is the structural representation of this utility model embodiment reagent pack assembly；

Fig. 5 is the exploded perspective view of this utility model embodiment reagent pack assembly；

Fig. 6 is this utility model embodiment reagent pack assembly and the connection diagram of reagent bag Valve controlling assembly；

Fig. 7 is the structural representation of this utility model embodiment piston pump assembly；

Fig. 8 is the structural representation of this utility model embodiment test card assembly；

Fig. 9 is the exploded perspective view of this utility model embodiment test card assembly；

Figure 10 is that the A-A of Fig. 8 is to cross-sectional view；

Figure 11 is enlarged drawing at the I of Figure 10；

Figure 12 is the structural representation of this utility model embodiment test valve member；

Figure 13 is the first working state schematic representation of this utility model embodiment test card assembly；

Figure 14 is the second working state schematic representation of this utility model embodiment test card assembly；

Figure 15 is the 3rd working state schematic representation of this utility model embodiment test card assembly；

Figure 16 is enlarged drawing at the II of Fig. 1；

Figure 17 is enlarged drawing at the III of Fig. 1；

Figure 18 is this utility model embodiment test card assembly, heating assembly and the connection diagram of test suite；

Figure 19 is enlarged drawing at the IV of Figure 18；

Figure 20 is the structural representation of this utility model embodiment heating assembly；

Figure 21 is the structural representation of this utility model embodiment test suite；

Figure 22 is V enlarged drawing of Fig. 4.

Description of reference numerals:

10. test card assembly, 110. test card main bodys, 111. injection ports, 112. calibration solution mouths, 113. bleeding points, 114. Seal groove, 115. electrode test grooves, 116. first stopper slots, 117. second stopper slots, 120. diaphragm seals, 121. glued membranes, 122. Flexible silicon glued membrane, 123.PET film, 130. electrode circuit plates, 140. fluid pipelines, 141. test fluid pipelines, 1411. valve grooves, 142. calibration solution pipelines, 1421. leakage-proof sockets, 1422. tops, 143. waste liquid chambeies, 1431. first waste liquid chambeies, 1432. second waste liquids Chamber, 1433. leakage fluid drams, 1434. inlets, 1435. liquid outlets, 144. electrode pipelines, 145. waste solution channels, 150. sealing members, 160. support columns, 170. sample introduction needle, 180. syringes, 190. juts, 20. reagent pack assemblies, 210. rotary switch assemblies, 211. fixed valve bodies, 212. rotate main body, and 213. connect pipeline, 214. first mouths of pipe, 215. second mouths of pipe, 216. the 3rd pipes Mouthful, 220. device for storing liquid, 221. drain pipes, 230. air intake installations, 240. sampling devices, 241. feed liquor pins, 242. feed tubes, 250. shells, 251. fore shells, 252. back covers, 260. rotary handles, 270. support seats, 30. reagent bag Valve controlling assemblies, 310. Swivelling cover, 320. second driving means, 321. first motor shafts, 330. first optocouplers, 40. piston pump assemblies, 410. bleed pin, 420. exhaust tubes, 430. union joints, 440. pistons, 450. the 3rd driving means, 451. second motor shafts, 460. second optocouplers, 470. first fixed supports, 480. pump housings, 50. test valve members, 510. press parts, 511. pressure heads, 520. first drive dress Putting, 521. the 3rd motor shafts, 530. the 3rd optocouplers, 60. slide fastener assemblies, 610. slide blocks, 611. first plugs, 612. coordinate muscle, 620. first fix seat, 630. first compression springs, 640. first guide shafts, 70. heating assemblies, 710. first calandrias, and 720. Calandria fixed support, 721. second plugs, 730. four-drive devices, 731. the 4th motor shafts, 740. the 4th optocouplers, 750. The fixing lid of calandria, 760. motor fixed racks, 770. second guide shafts, 780. button bits, 80. upspring assembly, and 810. second fix Seat, 820. press blocks, 830. second compression springs, 90. test suites, 910. detection modules, 911. test probes, 920. second Calandria, 930. housings, 931. promote muscle, 940. the 5th driving means, 941. the 5th motor shafts, 950. the 5th optocouplers.

Detailed description of the invention

Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail:

As shown in Figure 1 to Figure 4, shown in Fig. 9, Figure 22, a kind of blood gas analyzer, including test card assembly 10 and reagent pack assembly 20, test card assembly 10 includes the test card master being provided with injection port 111, calibration solution mouth 112, bleeding point 113 and fluid pipeline 140 Body 110, the diaphragm seal 120 of sealing liquid pipeline 140, be located at test card main body 110 on electrode circuit plate 130, reagent package Part 20 at least includes rotary switch assembly 210, device for storing liquid 220, air intake installation 230 and is provided with the sample introduction dress of feed liquor pin 241 Putting 240, rotary switch assembly 210 includes fixed valve body 211 and rotates main body 212, rotates main body 212 and is arranged at fixed valve body 211 is internal and can be relatively fixed valve body 211 and rotate, and rotates main body 212 and is provided with connection pipeline 213, and fixed valve body 211 is provided with Second mouth of pipe 215 that first mouth of pipe 214 connected with device for storing liquid 220 connects with sampling device 240 and with air intake installation 230 3rd mouth of pipe 216 of connection, the two ends of feed liquor pin 241 connect with second mouth of pipe 215 and calibration solution mouth 112 respectively；Rotate this rotation Turning main body 212 can make rotary switch assembly 210 be in the first state, the second state or the third state: the first state is the second pipe Mouth 215 connects by being connected pipeline 213 with first mouth of pipe 214；Second state is that second mouth of pipe 215 passes through with the 3rd mouth of pipe 216 Connect pipeline 213 to connect；The third state is that second mouth of pipe 215 is all closed with first mouth of pipe 214.

When rotary switch assembly 210 is in the first state, device for storing liquid 220 connects with sampling device 240, and it is fixed to carry out The extraction of mark liquid；When rotary switch assembly 210 is in the second state, sampling device 240 is connected with air intake installation 230, can Carry out the extraction of air；When rotary switch assembly 210 is in the third state, second mouth of pipe 215 is closed, i.e. sampling device 240 Close, in order to test card carries out extracting test fluid action.This blood gas analyzer utilizes rotary switch assembly 210 to realize different pipeline Break-make control, it is not necessary to compressing and loosen sebific duct action, there is not line clogging hidden danger, rotary switch assembly 210 is the simultaneously During three condition, first mouth of pipe 214 is effectively closed, and prevents calibration solution from leaking.Preferably, fixed valve body 211 and rotation main body 212 interference fit, directly utilize rotation main body 212 wall and realize the closing of pipeline.

In the present embodiment, as shown in Fig. 4, Fig. 5 and Figure 22, reagent pack assembly 20 also includes the shell with placed cavity 250, fixed valve body 211 is fixed in placed cavity, and connecting pipeline 213 is L-type pipeline, and shell 250 is provided with and rotates main body 212 The rotary handle 260 being connected, and rotary handle 260 is exposed on shell 250, rotates rotary handle 260, i.e. scalable during use Rotary switch assembly 210 is to different states, easy to use.Connect pipeline 213 and can also be set to other according to actual needs Shape.

As shown in Figure 4 and Figure 5, device for storing liquid 220 is the calibration solution bag being arranged in placed cavity, and shell 250 has protection The effect of calibration solution bag, prevents calibration solution bag to be contaminated, and calibration solution bag is provided with drain pipe 221, and drain pipe 221 is set in On one mouth of pipe 214.Wherein, shell 250 includes fore shell 251 and back cover 252, and fore shell 251 removably connects with back cover 252, it is simple to Calibration solution bag is installed.

In the present embodiment, fore shell 251 is fixed by screw with back cover, near rotary handle 260 on shell 250 Position is provided with status indicator (accompanying drawing does not identifies), it is simple to user understands which kind of state current rotary switch assembly 210 is in.

As shown in Figure 2 and Figure 6, blood gas analyzer also includes reagent bag Valve controlling assembly 30, reagent bag Valve controlling group Part 30 also includes the second driving means 320 being sheathed on the swivelling cover 310 rotated in main body 212, driving swivelling cover 310 to rotate. Second driving means 320 is rotated lid 310 and rotation main body 212 realizes rotary motion, utilizes rotary switch assembly 210 to realize The break-make of different pipelines controls.

In the present embodiment, the second driving means 320 is rotating stepper motor, and this rotating stepper motor is provided with the first motor Axle 321, swivelling cover 310 is designed with optocoupler sensing wall (accompanying drawing does not identifies), and swivelling cover 310 is secured by threads to the first motor On axle 321.When rotating stepper motor energising work, the first motor shaft 321 is rotated lid 310 and rotation main body 212 realizes Spinning movement, thus the break-make realizing reagent pack assembly 20 sample introduction fluid path and air inlet pipeline controls.

Reagent bag Valve controlling assembly 30 also includes the first optocoupler 330, and the first optocoupler 330 detection also controls the first electricity Arbor 321 initial position effect, eliminates the site error after each rotary motion.

As shown in Fig. 4 and Figure 22, reagent pack assembly 20 also includes supporting seat 270, supports seat 270 and is fixed on shell 250, Sampling device 240 includes feed liquor pin 241 and feed tube 242, feed liquor pin 241 be fixed on support on seat 270 and with the determining of test card Mark liquid mouth 112 is connected, and convenient offer sample, feed tube 242 one end is set on feed liquor pin 241, and the other end is set in the second pipe On mouth 215, feed liquor pin 241 is connected with second mouth of pipe 215 by feed tube 242.Air intake installation 230 is for being set in the 3rd mouth of pipe Air hose on 216, air hose is connected with air, directly extracts air from air.

As shown in Fig. 3, Fig. 4 and Fig. 7, blood gas analyzer also includes that piston pump assembly 40, piston pump assembly 40 include one end Connect with bleeding point 113 bleed pin 410, one end and exhaust tube 420 that pin 410 other end of bleeding connects is another with exhaust tube 420 Piston 440, driving piston 440 that the union joint 430 of one end connection is connected with union joint 430 make the 3rd of straight reciprocating motion Driving means 450, bleeds pin 410 and exhaust tube 420 is fixed on the support seat 270 of reagent pack assembly 20.In test process, Drive piston 440 to retreat by the 3rd driving means 450, make the fluid pipeline 140 in test card main body 110 produce negative pressure, make Calibration solution, air or test fluid carry out, in fluid pipeline 140, completing the extraction of each medium.

In the present embodiment, the 3rd driving means 450 is linear stepping motor, and this linear stepping motor is provided with the second motor Axle 451, piston pump assembly 40 also includes being provided with the piston pump sub-component of piston 440 and union joint 430, the second optocoupler 460, first Fixed support 470, piston pump sub-component also includes that the pump housing 480, piston pump sub-component are inserted in the first fixed support 470, wherein Piston 440 is threadeded with the second motor shaft 451, and the 3rd driving means 450 is secured by threads to the first fixed support 470 Upper and fixed displacement pump sub-component simultaneously.3rd driving means 450 be energized work time, the second motor shaft 451 drives piston 440 Reciprocating along the pump housing 480, the second optocoupler 460 plays detection the second motor shaft 451 initial position effect, eliminates the most reciprocal fortune Site error after Dong.

As it is shown on figure 3, blood gas analyzer also includes that sealing member 150, sealing member 150 are sheathed on feed liquor pin 241 and pin of bleeding On 410, the outer wall of test card main body 110 is provided with and the seal groove 114 of sealing member 150 form fit.Make the anti-of blood gas analyzer Only the effect of liquid leakage is more preferable, and compared with traditional blood gas analyzer, sealing member 150 is sealed in feed liquor pin 241 respectively and takes out After air tube 410, reagent pack assembly 20 and piston pump assembly 40 separate with test card main body 110, on the premise of ensureing to seal, again Avoid eliminating the hidden danger that chip contaminated electrode causes test to scrap.

As shown in Figure 8 and Figure 9, the fluid pipeline 140 of test card assembly 10 includes test fluid pipeline 141, calibration solution pipeline 142, waste liquid chamber 143 and the electrode pipeline 144 that connects with electrode circuit plate 130, one end of test fluid pipeline 141 and injection port 111 connections, the other end connects with calibration solution pipeline 142 and electrode pipeline 140, and calibration solution pipeline 142 is away from test fluid pipeline 141 One end connect with calibration solution mouth 112, the inlet in electrode pipeline 140 one end away from test fluid pipeline 141 and waste liquid chamber 143 1434 connections, the liquid outlet 1435 in waste liquid chamber 143 connects with bleeding point 113, and liquid outlet 1435 is positioned at the top of inlet 1434, The liquid level highest point of calibration solution pipeline 142 is higher than the liquid level of test fluid.After completing test, bleeding point 113 and calibration solution mouth 112 with Reagent pack assembly 20 departs from, and calibration solution is stored in waste liquid chamber 143, and test fluid is stored in electrode pipeline 140 and calibration solution pipeline In 142, owing to the liquid outlet 1435 in waste liquid chamber 143 is positioned at the top of inlet 1434, under the effect without external force calibration solution without Method flows out from liquid outlet 1435, then the bleeding point 113 connected with liquid outlet 1435 does not haves fluid leakage, prevents liquid dirty Dye；And the top 1422 of the i.e. pipeline of liquid level highest point of calibration solution pipeline 142 is higher than the liquid level of test fluid, in the effect without external force Lower test fluid cannot flow through the liquid level highest point of calibration solution pipeline 142, and liquid will not be revealed from calibration solution mouth 112, prevents liquid Pollute.Compared with traditional test card, all without arranging sealing-plug on calibration solution mouth 112 of the present utility model and bleeding point 113, External device (ED) directly connects with calibration solution mouth 112 and bleeding point 113, there is not the problem producing chip because piercing through sealing-plug, Eliminate the hidden danger that chip contaminated electrode causes test to scrap.

In the present embodiment, waste liquid chamber 143 includes the first waste liquid chamber 1431 being arranged side by side and the second waste liquid chamber 1432, connects Logical first waste liquid chamber 1431 and the leakage fluid dram 1433 in the second waste liquid chamber 1432, the bottom in the first waste liquid chamber 1431 is provided with inlet 1434, the top in the second waste liquid chamber 1432 is provided with liquid outlet 1435, and leakage fluid dram 1433 is located close to the side of liquid outlet 1435.Survey After having tried, calibration solution is stored in the first waste liquid chamber 1431, arranges between the first waste liquid chamber 1431 and the second waste liquid chamber 1432 Leakage fluid dram 1433, and leakage fluid dram 1433 is located close to the side of liquid outlet 1435 and connects the first waste liquid chamber 1431 and second , there is cross section between leakage fluid dram 1433 and waste liquid chamber 143 poor in the top in waste liquid chamber 1432, calibration solution cannot because of self liquid tension Flow in the second waste liquid chamber 1432 from the first waste liquid chamber 1431 easily, prevent liquid from leaking out from bleeding point 113 further.Useless Sap cavity 143 can also arrange more than one according to actual needs.

As shown in Figure 8, it is equipped with two support columns 160 in the first waste liquid chamber 1431 and the second waste liquid chamber 1432.Pass through Arranging support column 160, prevent test to be stuck in when being bled by bleeding point 113, the diaphragm seal 120 on test card is absorbed in waste liquid In chamber 143.First waste liquid chamber 1431 and the second waste liquid chamber 1432 can also arrange more than one support column according to actual needs 160。

As shown in Figure 8, fluid pipeline 140 also includes waste solution channel 145, is connected between liquid outlet 1435 with bleeding point 113 There is waste solution channel 145.

As shown in Figure 8, the top 1422 of calibration solution pipeline 142 is arranged with opening up leakage-proof socket 1421.Leakage-proof socket There is cross section between 1421 and calibration solution pipeline 142 poor, test fluid cannot flow out because of self liquid tension from leakage-proof socket 1421, Prevent liquid from leaking from calibration solution mouth 112 further.Leakage-proof socket 1421 can also be arranged on calibration solution according to actual needs Between one end that the top 1422 of pipeline 142 and calibration solution pipeline 142 are connected with test fluid pipeline 141.

As shown in Figure 10, test card main body 110 is additionally provided with electrode test groove 115, and electrode is passed through in the bottom of electrode pipeline 140 Test trough 115 connects with electrode circuit plate 130.

As shown in Figure 8, test card assembly 10 also includes that sample introduction needle 170, feed liquor pin 241 are fixed to test card main body 110 Connecting on injection port 111 and with syringe 180, test fluid is deposited in syringe 180.

As shown in Fig. 2, Fig. 8, Fig. 9 and Figure 12, blood gas analyzer also includes the test valve member being provided with press part 510 50, diaphragm seal 120 is elastic composite film, and test fluid pipeline 141 is provided with valve groove 1411 with the opposite face of diaphragm seal 120, seals Film 120 is between valve groove 1411 and press part 510, and press part 510 is provided with and the pressure head of valve groove 1411 form fit 511.When press part 510 crush seal film 120 is fitted to valve groove 1411 side, test fluid pipeline 141 realizes closing；Diaphragm seal 120 is elastic composite film, and when extrusion leaves diaphragm seal 120, diaphragm seal 120 leaves valve groove by the elastic deformation of self 1411, test fluid pipeline 141 realizes opening.Valve groove 1411 is arranged in test fluid pipeline 141, with test fluid pipeline 141 structure Integral, there is not unnecessary cavity, do not remain bubble, reduce test fluid consumption simultaneously, improve test accuracy；Test card main body Without arranging on and off switch plug and for covering the diaphragm seal 120 of channel switching plug on 110, it is to avoid leakage problem, reduce Number of parts, it is simple to produce, reduces product fraction defective.

In the present embodiment, as shown in figure 12, test valve member 50 also includes driving press part 510 to valve groove 1411 The first driving means the 520, the 3rd optocoupler 530 that side is reciprocating, the first driving means 520 is linear stepping motor, should Linear stepping motor is provided with the 3rd motor shaft 521, and press part 510 is threadably secured on the 3rd motor shaft 521, when first drives Dynamic device 520 be energized work time, the 3rd motor shaft 521 drives the axial direction of press part 510 linearly motor back and forth to transport Dynamic.3rd optocoupler 530 plays detection and controls the 3rd motor shaft 521 initial position effect, eliminates each reciprocating position by mistake Difference.

As shown in figure 11, the jut 190 protruding to diaphragm seal 120 side, jut 190 it are provided with bottom valve groove 1411 In rib strip shaped.When diaphragm seal 120 is filled on valve groove 1411, jut 190 is bumped in diaphragm seal 120, makes test fluid pipeline The obturation effect of 141 is more preferable.

In the present embodiment, as shown in figure 11, diaphragm seal 120 includes glued membrane 121, flexible silicon glued membrane 122 and PET film 123, Glued membrane 121 is bonded between test card main body 110 and flexible silicon glued membrane 122, and PET film 123 is covered in flexible silicon glued membrane 122 dorsad The side of valve groove 1411.Glued membrane 121 plays the effect of adhesive seal film 120 and test card main body 110, makes each pipeline of test card seal Close；Flexible silicon glued membrane 122 seals, and the elasticity by flexible silicon glued membrane 122 self is filled in valve groove 1411；PET film 123 support and reset response, and diaphragm seal 120 realizes effectively after external force eliminates to make diaphragm seal 120 ensure while deformation Reset, and diaphragm seal 120 uses plane and big mask mode to be sealed, further by the fluid pipeline 140 in whole test card Avoid leakage problem.Diaphragm seal 120 can also use other version according to actual needs.

Test card assembly 10, test valve member 50, reagent pack assembly 20, reagent bag Valve controlling assembly 30 and piston pump Assembly 40 constitutes the drawing liquid subsystem of blood gas analyzer.Before test, test card assembly 10 is inserted on reagent pack assembly 20, surveys The calibration solution mouth 112 of examination card main body 110 is connected with the feed liquor pin 241 supported on seat 270, the bleeding point 113 of test card main body 110 It is connected with the pin 410 of bleeding supported on seat 270, and is sealed by sealing member 150, so that the pipeline of reagent pack assembly 20 and test The pipeline communication of card assembly 10；The union joint 430 of piston pump assembly 40 is inserted on the exhaust tube 420 supported on seat 270, takes out Trachea 420 connects with pin 410 of bleeding, so that the pipeline of piston pump assembly 40 and the pipeline communication testing card assembly 10；Test The press part 510 of valve member 50 is assemblied in valve groove 1411 position of test fluid pipeline 141, it is achieved to test fluid pipeline 141 Break-make control.

During test, first extracting calibration solution: as shown in Fig. 2, Fig. 3 and Figure 13, the second of reagent bag Valve controlling assembly 30 drives Dynamic device 320 is energized work, and the first motor shaft 321 is rotated lid 310 and rotates main body 212 and rotate, in making rotation main body 212 L-type pipeline connect with first mouth of pipe 214, second mouth of pipe 215 of reagent pack assembly 20 respectively, thus with test card assembly 10 Calibration solution pipeline 142, electrode test groove 115 connect；First driving means 520 of test valve member 50 is energized work, and the 3rd Motor shaft 521 pushes away before driving press part 510, on compression diaphragm seal 120 to the valve groove 1411 of test fluid pipeline 141, and diaphragm seal The flexible silicon glued membrane 122 of 120 is filled on valve groove 1411, makes test fluid pipeline 141 close；The 3rd of piston pump assembly 40 drives Dynamic device 450 is energized work, and the second motor shaft 451 drives piston 440 to retreat, in making the fluid pipeline 140 of test card assembly 10 Produce negative pressure；Calibration solution in the device for storing liquid 220 of reagent pack assembly 20 is under the effect of negative pressure, by rotating main body 212, entering The calibration solution pipeline 142 of liquid pipe 242, feed liquor pin 241 and test card assembly 10 is flowed in electrode test groove 115, completes calibration The extraction action of liquid.

Then air is extracted: as shown in Fig. 2, Fig. 3 and Figure 14, the second driving means of reagent bag Valve controlling assembly 30 320 energising work, the first motor shaft 321 is rotated the rotation main body 212 of lid 310 and reagent pack assembly 20 and rotates, makes rotation L-type pipeline in main body 212 connects with second mouth of pipe the 215, the 3rd mouth of pipe 216 respectively, thus with test card assembly 10 calibration Liquid pipeline 142, electrode test groove 115 connect；First driving means 520 of test valve member 50 still remains powered on work shape State, press part 510 still compresses diaphragm seal 120 on valve groove 1411, makes test fluid pipeline 141 keep closed state；Piston pump 3rd driving means 450 of assembly 40 is energized work, and the second motor shaft 451 drives piston 440 to continue to retreat, and makes test card assembly Negative pressure is produced in the fluid pipeline 140 of 10；Under the effect of negative pressure, the outside air of reagent pack assembly 20 passes through the 3rd mouth of pipe 216, main body 212, second mouth of pipe 215, feed tube 242, feed liquor pin 241 and the calibration solution pipeline 142 of test card assembly 10 are rotated Enter into electrode test groove 115, complete the extraction of air.

Finally extract test fluid again: as shown in Fig. 2, Fig. 3 and Figure 15, the second driving dress of reagent bag Valve controlling assembly 30 Putting 320 energising work, the first motor shaft 321 is rotated the rotation main body 212 of lid 310 and reagent pack assembly 20 and rotates, and makes rotation The L-type pipeline turned in main body 212 seals respectively away from first mouth of pipe 214 and the 3rd mouth of pipe 216, the i.e. outer wall by rotation main body 212 Close device for storing liquid 220 and feed tube 242, make reagent bag tubing close；First driving means of test valve member 50 520 energising work, make press part 510 leave the valve groove 1411 of test fluid pipeline 141, the diaphragm seal 120 of test card assembly 10 By PET film 123 elastic reset, test fluid pipeline 141 is made to open；3rd driving means 450 of piston pump assembly 40 is energized work, Second motor shaft 451 drives piston 440 to continue to retreat, and produces negative pressure in making the fluid pipeline 140 of test card assembly 10；In negative pressure Effect under, the test fluid in syringe 180 enters into electricity by test the feed liquor pin 241 of card assembly 10, test fluid pipeline 141 In pole test trough 115, complete the extraction of test fluid.

As shown in Figure 1, Figure 2 with shown in Figure 16, blood gas analyzer also includes slide fastener assembly 60, slide fastener assembly 60 and test card main body 110 are oppositely arranged and are positioned at test card main body 110 towards the side of electrode circuit plate 130, slide fastener assembly 60 include slide block 610, First fix the first compression spring 630 that seat 620, two ends offset with slide block 610 and fixing seat respectively, be arranged with the first compression bullet First guide shaft 640 of spring 630, one end of the first guide shaft 640 fixes seat 620 with first and is connected, and the other end is led through slide block 610 Xiang Kong, slide block 610 is provided with first plug 611 protruding to test card main body 110 side, and the sidewall of test card main body 110 is recessed There is the first stopper slot 116 coordinated with the first plug 611.Test is after card assembly 10 inserts reagent pack assembly 20, and slide block 610 is the Under the effect of one compression spring 630, the first plug 611 on slide block 610 is made to insert in the first stopper slot 116, it is achieved to test The location of card main body 110, the first guide shaft 640 play the guiding role, and anti-limited slip block 610 offsets in moving process.

As shown in Fig. 2, Figure 17 to Figure 20, blood gas analyzer also includes heating assembly 70, and heating assembly 70 is main with test card Body 110 is oppositely arranged and is positioned at the side of test card main body 110 electrode circuit plate 130 dorsad, and heating assembly 70 includes and electrode The first calandria 710 that wiring board 130 is oppositely arranged, the calandria fixed support 720 being fixed with the first calandria 710, driving The four-drive device 730 that calandria fixed support 720 is reciprocating to electrode circuit plate 130 side, fixing of calandria Frame 720 is provided with second plug 721 protruding to test card main body 110 side, and the sidewall of test card main body 110 is arranged with and second The second stopper slot 117 that plug 721 coordinates.After test card assembly 10 inserts reagent pack assembly 20, slide block 610 compresses bullet first Under the effect of spring 630, the first plug 611 on slide block 610 is made to insert in the first stopper slot 116, it is achieved to test card main body 110 First location；Second plug 721, under the effect of four-drive device 730, to test card main body 110 1 side shifting, and makes Second plug 721 inserts in the second stopper slot 117, it is achieved the second positioning to test card main body 110, makes test card main body 110 Location more accurately reliable, and add the liquid in Thermal test card main body 110 by the first calandria 710, make liquid reach regulation Temperature.Slide fastener assembly 60 and heating assembly 70 carry out bilateral location to the front and back of test card main body 110, make test Card main body 110 uniform force, is not forced deformation.

In the present embodiment, as shown in figure 20, four-drive device 730 is linear stepping motor, and linear stepping motor sets Have the 4th motor shaft 731, heating assembly 70 also include the 4th optocoupler 740, calandria fix lid 750, motor fixed rack 760, The fixing lid 750 of the second guide shaft 770 being located on motor fixed rack 760, calandria fixed support 720 and calandria is provided with mutually The button bit 780 coordinated.Four-drive device 730 is secured by threads on motor fixed rack 760, calandria fixed support 720 are set on the second guide shaft 770 of motor fixed rack 760, and threaded with the 4th motor shaft 731, solid by calandria Surely the first calandria 710 is fixed on calandria fixed support 720 by lid 750.When four-drive device 730 is energized work, What the 4th motor shaft 731 drove the first calandria 710 makees straight reciprocating motion along the second guide shaft 770 direction.4th optocoupler 740 Detect and control the 4th motor shaft 731 initial position effect, eliminate the site error after every time moving back and forth.

As depicted in figs. 1 and 2, blood gas analyzer also includes being positioned at the assembly 80 of upspringing immediately below test card main body 110, bullet Rise assembly 80 include second fix seat 810 and test card main body 110 bottom be oppositely arranged press block 820, two ends respectively with Second fixes seat 810 and the second compression spring 830 that press block 820 offsets.After test card assembly 10 inserts reagent pack assembly 20, Slide fastener assembly 60 and heating assembly 70 are fixed location to test card main body 110, press under press part 510 stress, the second compression Spring 830 forced compression；After test completes, slide fastener assembly 60 and heating assembly 70 release fixing test card main body 110 After, press block 820 upwards resilience under the effect of the second compression spring 830, it is achieved automatically upspringing of test card main body 110.

As shown in Fig. 2, Figure 18, Figure 19 and Figure 21, blood gas analyzer also includes test suite 90, test suite 90 and test Card main body 110 is oppositely arranged and is positioned at the test card main body 110 side towards electrode circuit plate 130, and test suite 90 includes inspection Survey the second calandria 920 that module 910 is oppositely arranged with electrode circuit plate 130, be fixed with detection module 910 and the second heating The 5th driving means 940 that the housing 930 of body 920, drive shell 930 are reciprocating to electrode circuit plate 130 side, slide block 610 tops being positioned at housing 930, the bottom of slide block 610 is convexly equipped with cooperation muscle 612, the top of housing 930 to the side of housing 930 Portion is convexly equipped with promotion muscle 931 to the side of slide block 610, promotes muscle 931 coordinating between muscle 612 and test card main body 110.Survey After examination card assembly 10 inserts reagent pack assembly 20, the second calandria 920 in the 5th driving means 940 drive shell 930 is to electricity Pole wiring board 130 1 side shifting, the first plug 611 inserts the first stopper slot 116, and the second plug 721 inserts the second stopper slot 117；After test suite 90 energising, electrode circuit plate 130 is heated, make the liquid in test card main body 110 reach the temperature of regulation Degree, and by detection module 910, the electric current, the voltage signal that produce on electrode circuit plate 130 are sent in main frame, it is achieved calibration Liquid and the test of test fluid；After having tested, the 5th driving means 940 drive shell 930 of test suite 90 retreats, owing to pushing away Dynamic muscle 931 is coordinating between muscle 612 and test card main body 110, when the promotion muscle 931 on housing 930 connects with coordinating muscle 612 Touching, promote muscle 931 to continue to retreat along with housing 930, slide block 610 retreats together along with promotion muscle 931, the first compression spring 630 Compressed, and make the first plug 611 on slide block 610 depart from the first stopper slot 116.After test card main body 110 is upspring automatically, the Five driving means 940 make housing 930 move forward, slide block 610 under the effect of the first compression spring 630 the most together to reach Move, coordinate muscle 612 extruding to promote muscle 931, when housing 930 moves to time between promotion muscle 931 and cooperation muscle 612 without stress, sliding First plug 611 of buckle assembly 60 returns to initial position, it is simple to carry out the test of next round, and ingehious design coordinates muscle 612 and pushes away The structure of dynamic muscle 931, it is achieved the test suite 90 position control to slide fastener assembly 60, action is more reliable.

In the present embodiment, as shown in figure 21, the 5th driving means 940 is linear stepping motor, and detection module 910 is for surveying Examination PCBA assembly, test PCBA assembly is provided with test probe 911, and this linear stepping motor is provided with the 5th motor shaft 941, housing 930 are screwed on the 5th motor shaft 941, and test suite 90 also includes the 5th optocoupler 950.When straight line the 5th drives dress When putting 940 energising work, the 5th motor shaft 941 drives housing 930 reciprocating along the axial direction of motor, thus realizes Test function.5th optocoupler 950 plays detection and controls the 5th motor shaft 941 initial position effect, eliminates after moving back and forth every time Site error.

Test card assembly 10, heating assembly 70 and test suite 90 constitute test and the heating subsystem of blood gas analyzer, Test card assembly 10 inserts on reagent pack assembly 20, and test card main body 110 is just powered on by the first calandria 710 of heating assembly 70 Pole test trough 115 position, the electricity in the second calandria 920 of test suite 90, test probe 911 corresponding test card main body 110 Pole wiring board 130.

Test card assembly 10 inserts after putting in place, and calibration solution or test fluid are taken out by the drawing liquid subsystem work of blood gas analyzer Enter in electrode test groove 115；The four-drive device 730 of heating assembly 70 is energized work, and the 4th motor shaft 731 drives first to add Push away before hot body 710, be pressed to test on the diaphragm seal 120 of card assembly 10；First calandria 710 is energized work, produces heat and adds The diaphragm seal 120 of Thermal test card assembly 10 and electrode test groove 115, make the liquid in electrode test groove 115 be heated to setting Temperature；5th driving means 940 of test suite 90 is energized work, and the 5th motor shaft 941 pushes away before driving whole housing 930 and presses It is tightened to test on the electrode circuit plate 130 on card assembly 10；Second calandria 920 electrified regulation, produces heat electrode wires Road plate 130, thus indirectly heat the liquid in electrode test groove 115, make the liquid in electrode test groove 115 be heated to setting Temperature；The test probe 911 of test suite 90 connects with the outfan of electrode circuit plate 130, and will produce on electrode circuit plate 130 Raw electric current, voltage signal are sent in main frame, it is achieved calibration solution and the test of test fluid；When test card assembly 10 completes to take out Liquid, heat, test all flow processs after, four-drive device 730 makes heating assembly 70 retreat, and the 5th driving means 940 makes test Assembly is after 90s to move back, in order to test card takes out.

In the present embodiment, first driving means the 520, second driving means the 320, the 3rd driving means the 450, the 4th drives Device 730 and the 5th driving means 940 are motor, and first driving means the 520, second driving means the 320, the 3rd drives Device 450, four-drive device 730 and the 5th driving means 940 can also use according to actual needs other cylinders etc. other Type of drive.

Compared with traditional blood gas analyzer, blood gas analyzer of the present utility model has the advantage that

1, test card assembly 10 pierces through action without draw point, effectively solves test card fines problem；Design secondary waste stream chamber, Inlet 1434 designs in lower end, and liquid outlet 1435 designs in upper end, solves liquid from bleeding point 113 leakage problem；Calibration solution The highest of pipeline 142 is higher than test fluid pipeline 141, and highest point design leakage-proof socket 1421, solves liquid and lets out from calibration solution mouth 112 Leakage problem；Valve groove 1411 designs on test fluid pipeline 141, is integrally formed with test fluid pipeline 141, it is not necessary to cylinder plug, The part of pad pasting, reduces number of parts, reduces leakage hidden danger, improves production efficiency.

2, reagent pack assembly 20 is controlled fluid path, gas circuit by rotary switch assembly 210 and reagent bag Valve controlling assembly 30 Open and close, and rotary switch technology maturation, reliable in action, effectively solve reagent bag line clogging, fluid leakage problems；Take out The break-make of each fluid path of liquid subsystem is by independent step motor control, therefore each on-off action can be carried out simultaneously, relative to existing The former rotating table system having, it is not necessary to the waiting time that rotating disk rotates, therefore the working cycle can be shortened.

3, the break-make of each fluid path of drawing liquid subsystem is by independent step motor control, the most existing former rotating table system In gear drive, the structure such as spring compression, the speed of motor is adjustable, and action is the most controlled, does not has pinion rotation noise Clashing into abnormal sound with pull bar, therefore noise is little, and eliminates the parts such as gear train, pull bar, spring, roller simultaneously, reduces number of components Amount, simplifies structure, improves packaging efficiency.

4, test and heating subsystem use step motor control test suite 90, the compression of heating assembly 70 to unclamp work Making, stable action is controlled, noise is little, and quality of fit is high.

5, effectively utilize slide fastener assembly 60, test suite 90, heating assembly 70 that test card main body 110 is carried out secondary fixed Position, wherein realizes machinery just location by the elastic force of the first compression spring 630 of slide fastener assembly 60；By heating assembly 70 the Two plugs 721 realize second time and are accurately positioned, and therefore test card main body 110 positions reliably；And respectively by test suite 907, Heating assembly 703 carries out bilateral location to the front and back of test card main body 110, therefore tests card main body 110 uniform force, no Can stress deformation；And making full use of the motor action of test suite 90, ingehious design promotes muscle 931 and coordinates muscle 612 Structure realizes the test suite 90 position control to slide fastener assembly 60, reliable in action.

Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited In contradiction, all it is considered to be the scope that this specification is recorded.

Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area For art personnel, without departing from the concept of the premise utility, it is also possible to making such as dried fruits deformation and improve, these all belong to In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.

Claims (24)

1. a blood gas analyzer, it is characterised in that including testing card assembly and reagent pack assembly, described test card assembly is at least Including being provided with the test card main body of calibration solution mouth, described reagent pack assembly at least includes rotary switch assembly, device for storing liquid, air inlet Device and be provided with the sampling device of feed liquor pin, described rotary switch assembly includes being provided with first connected with described device for storing liquid The fixed valve body of the 3rd mouth of pipe that second mouth of pipe that the mouth of pipe connects with described sampling device connects with described air intake installation and Being communicated with the rotation main body of pipeline, the two ends of described feed liquor pin connect with described second mouth of pipe and described calibration solution mouth respectively, Described rotation main body is arranged at described fixed valve body inside and can rotate to realize described first mouth of pipe relative to described fixed valve body Connect with described second mouth of pipe or described second mouth of pipe connects or close described second mouth of pipe with described 3rd mouth of pipe.

Blood gas analyzer the most according to claim 1, it is characterised in that described test card main body be additionally provided with fluid pipeline, Injection port and electrode circuit plate, described fluid pipeline include test fluid pipeline, calibration solution pipeline and with described electrode circuit plate phase The electrode pipeline connect, one end of described test fluid pipeline connects with described injection port, the other end and described calibration solution pipeline and institute Stating electrode pipeline communication, described calibration solution pipeline connects with described calibration solution mouth away from one end of described test fluid pipeline, described The liquid level highest point of calibration solution pipeline is higher than the liquid level of test fluid.

Blood gas analyzer the most according to claim 2, it is characterised in that the liquid level highest point of described calibration solution pipeline is recessed There is opening up leakage-proof socket.

Blood gas analyzer the most according to claim 1, it is characterised in that described test card main body be additionally provided with fluid pipeline, Injection port, bleeding point and electrode circuit plate, described fluid pipeline include test fluid pipeline, waste liquid chamber and with described electrode circuit plate The electrode pipeline connected, the two ends of described test fluid pipeline respectively with described injection port and described electrode pipeline communication, described electricity Pole pipeline connects with the inlet in described waste liquid chamber away from one end of described test fluid pipeline, the liquid outlet in described waste liquid chamber and institute Stating bleeding point connection, described liquid outlet is positioned at the top of described inlet.

Blood gas analyzer the most according to claim 4, it is characterised in that described waste liquid chamber at least includes be arranged side by side One waste liquid chamber and the second waste liquid chamber, connect described first waste liquid chamber and the leakage fluid dram in described second waste liquid chamber, described first waste liquid The bottom in chamber is provided with described inlet, and the top in described second waste liquid chamber is provided with described liquid outlet, and described leakage fluid dram is located close to The side of described liquid outlet.

Blood gas analyzer the most according to claim 5, it is characterised in that described first waste liquid intracavity and described second gives up Support column it is equipped with in sap cavity.

Blood gas analyzer the most according to claim 1, it is characterised in that also include the test valve group being provided with press part Part, described test card main body is additionally provided with fluid pipeline, and described test card assembly also includes the diaphragm seal closing described fluid pipeline, Described diaphragm seal is elastic composite film, and described fluid pipeline is provided with valve groove, described diaphragm seal with the opposite face of described diaphragm seal Between described valve groove and described press part, described press part is provided with the pressure head mated with described valve groove shape.

Blood gas analyzer the most according to claim 7, it is characterised in that described valve trench bottom is provided with to described diaphragm seal The jut that side is protruding.

Blood gas analyzer the most according to claim 7, it is characterised in that described test valve member also includes that driving compresses The first driving means that part is reciprocating to described valve groove side.

10. according to the blood gas analyzer described in any one of claim 1 to 9, it is characterised in that described fixed valve body and described rotation Turn main body interference fit.

11. blood gas analyzers according to claim 10, it is characterised in that also include reagent bag Valve controlling assembly, institute State reagent bag Valve controlling assembly also include the swivelling cover being sheathed in described rotation main body, drive described swivelling cover to rotate Two driving means.

12. according to the blood gas analyzer described in claim 2 or 4, it is characterised in that described test card main body is additionally provided with sample introduction Mouth, bleeding point, electrode circuit plate and fluid pipeline, described fluid pipeline include test fluid pipeline, calibration solution pipeline, waste liquid chamber and The electrode pipeline connected with described electrode circuit plate, one end of described test fluid pipeline connects with described injection port, the other end with Described calibration solution pipeline and described electrode pipeline communication, described calibration solution pipeline away from one end of described test fluid pipeline with described Calibration solution mouth connects, and the liquid level highest point of described calibration solution pipeline is higher than the liquid level of test fluid, and described electrode pipeline is away from described One end of test fluid pipeline connects with the inlet in described waste liquid chamber, and the liquid outlet in described waste liquid chamber connects with described bleeding point, Described liquid outlet is positioned at the top of described inlet.

13. according to the blood gas analyzer described in claim 2 or 7, it is characterised in that also include the test valve being provided with press part Assembly, described test card main body is additionally provided with injection port, electrode circuit plate and fluid pipeline, and described test card assembly also includes closing The diaphragm seal of described fluid pipeline, described fluid pipeline is provided with valve groove, described diaphragm seal position with the opposite face of described diaphragm seal Between described valve groove and described press part, described press part is provided with the pressure head mated with described valve groove shape；Described liquid Body pipeline includes test fluid pipeline, calibration solution pipeline and the electrode pipeline connected with described electrode circuit plate, described test fluid pipe The one end in road connects with described injection port, the other end and described calibration solution pipeline and described electrode pipeline communication, described calibration solution Pipeline connects with described calibration solution mouth away from one end of described test fluid pipeline, and the liquid level highest point of described calibration solution pipeline is higher than The liquid level of test fluid.

14. according to the blood gas analyzer described in claim 4 or 7, it is characterised in that also include the test valve being provided with press part Assembly, described test card main body is additionally provided with injection port, bleeding point, electrode circuit plate and fluid pipeline, and described test card assembly is also Including closing the diaphragm seal of described fluid pipeline, described fluid pipeline is provided with valve groove with the opposite face of described diaphragm seal, described Diaphragm seal is between described valve groove and described press part, and described press part is provided with the pressure mated with described valve groove shape Head；Described fluid pipeline includes test fluid pipeline, waste liquid chamber and the electrode pipeline connected with described electrode circuit plate, described test The two ends of liquid pipeline respectively with described injection port and described electrode pipeline communication, described electrode pipeline is away from described test fluid pipeline One end connect with the inlet in described waste liquid chamber, the liquid outlet in described waste liquid chamber connects with described bleeding point, described liquid outlet It is positioned at the top of described inlet.

15. blood gas analyzers according to claim 14, it is characterised in that described fluid pipeline includes calibration solution pipeline, One end of described test fluid pipeline and described electrode pipeline communication also with described calibration solution pipeline and described electrode pipeline communication, institute Stating calibration solution pipeline to connect with described calibration solution mouth away from one end of described test fluid pipeline, the liquid level of described calibration solution pipeline is Eminence is higher than the liquid level of test fluid.

16. blood gas analyzers according to claim 1, it is characterised in that also include piston pump assembly, described test card master Body is additionally provided with bleeding point, and described piston pump assembly includes bleed pin and the described pin company of bleeding that one end connects with described bleeding point Piston that logical union joint is connected with described union joint, described piston is driven to make the 3rd driving means of straight reciprocating motion.

17. blood gas analyzers according to claim 16, it is characterised in that also including sealing member, described sealing member is sheathed In described feed liquor pin with described bleed on pin, the outer wall of described test card main body is provided with and the sealing of described sealing member form fit Groove.

18. blood gas analyzers according to claim 1, it is characterised in that also include slide fastener assembly, described test card main body Being additionally provided with electrode circuit plate, described slide fastener assembly and described test card main body are oppositely arranged and are positioned at described test card main surface To the side of described electrode circuit plate, described slide fastener assembly include slide block, first fix seat, two ends respectively with described slide block and institute Stating the first compression spring that fixing seat offsets, described slide block is provided with the first plug to described test card body side projection, institute State test card main body and be provided with the first stopper slot coordinated with described first plug.

19. blood gas analyzers according to claim 18, it is characterised in that also include heating assembly, described test card master Body is additionally provided with electrode circuit plate, and described heating assembly and described test card main body are oppositely arranged and are positioned at described test card main body The side of the most described electrode circuit plate, described heating assembly includes the first heating being oppositely arranged with described electrode circuit plate Body, it is fixed with the calandria fixed support of described first calandria, drives described calandria fixed support to described electrode circuit The four-drive device that plate side is reciprocating, described calandria fixed support is provided with to described test card body side protruding The second plug, described test card main body is provided with the second stopper slot coordinated with described second plug.

20. blood gas analyzers according to claim 19, it is characterised in that also include being positioned at described test card main body just under The assembly of upspringing of side, described in assembly of upspringing include that what the second bottom fixing seat and described test card main body was oppositely arranged compresses The second compression spring that seat is fixed at block, two ends respectively with described second and described press block offsets.

21. blood gas analyzers according to claim 18, it is characterised in that also include test suite, described test suite It is oppositely arranged with described test card main body and is positioned at the described test card main body side towards described electrode circuit plate, described survey Examination assembly include the second calandria that detection module is oppositely arranged with described electrode circuit plate, be fixed with described detection module and The housing of described second calandria, drive the described housing fiveth driving dress reciprocating to described electrode circuit plate side Putting, described slide block is positioned at the top of described housing, and the bottom of described slide block is convexly equipped with cooperation muscle to the side of described housing, described The top of housing is convexly equipped with promotion muscle to the side of described slide block, and described promotion muscle is positioned at described cooperation muscle and described test card master Between body.

22. according to the blood gas analyzer described in any one of claim 9,11,16,19 or 21, it is characterised in that also include test Valve member, reagent bag Valve controlling assembly, piston pump assembly, heating assembly and test suite, described test card main body also sets Have electrode circuit plate, bleeding point and be provided with the fluid pipeline of valve groove, described test valve member also include drive press part to The first driving means that described valve groove side is reciprocating, described reagent bag Valve controlling assembly also includes being sheathed on described Rotate the swivelling cover in main body, the second driving means driving described swivelling cover to rotate, described piston pump assembly include one end and Described bleeding point connection bleed pin with described bleed pin connection union joint is connected with described union joint piston, driving institute Stating piston and make the 3rd driving means of straight reciprocating motion, described heating assembly includes being oppositely arranged with described electrode circuit plate The first calandria, be fixed with the calandria fixed support of described first calandria, drive described calandria fixed support to institute Stating the four-drive device that electrode circuit plate side is reciprocating, described test suite includes detection module and described electrode The second calandria that wiring board is oppositely arranged, be fixed with described detection module and the housing of described second calandria, drive described The 5th driving means that housing is reciprocating to described electrode circuit plate side.

23. blood gas analyzers according to claim 22, it is characterised in that described first driving means, the described 3rd drive Dynamic device, described four-drive device and described 5th driving means are linear stepping motor, and described second driving means is rotation Turn motor.

24. blood gas analyzers according to claim 23, it is characterised in that described first driving means, described second drive Dynamic device, the 3rd driving means, four-drive device and the 5th driving means are equipped with reset optocoupler.