CN212568825U

CN212568825U - Automatic liquid feeding and sample pushing device

Info

Publication number: CN212568825U
Application number: CN202120159464.2U
Authority: CN
Inventors: 史燕; 徐善祥
Original assignee: Shanghai Xunmai Medical Technology Co ltd
Current assignee: Shanghai Xunmai Medical Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-02-19
Anticipated expiration: 2031-01-21

Abstract

The utility model relates to the technical field of medical in-vitro diagnostic equipment, in particular to an automatic liquid feeding and sample pushing device, which comprises a liquid storage module, a liquid path module and a movement machine head module, and is characterized in that the liquid path module adopts two-way electromagnetic valve sets to be connected in series for selectively outputting liquid in the liquid storage module; the moving machine head module comprises an injector clamp used for fixing an injector, and a sample injection push rod is arranged above the injector clamp; the first moving machine head is arranged on the horizontal guide rail, and the electromagnetic valve group is arranged on the first moving machine head; syringe anchor clamps and drain pipe are installed on first sport machine is overhead, and the feed liquor interface is installed on first vertical guide rail, is connected with drain pipe or syringe through vertical motion, and its advantage lies in: the pipeline system adopts two-way electromagnetic valve groups which are connected in series and can selectively output appointed liquid; the sample is designed in a mode of injection by an injector, so that the sample is prevented from being polluted.

Description

Automatic liquid feeding and sample pushing device

Technical Field

The utility model relates to a medical external diagnostic equipment technical field is an automatic feed liquor and push away appearance device particularly.

Background

At present, in-vitro diagnostic equipment or scientific research and industrial analysis instruments adopting an injector for sample injection need to inject samples and various cleaning, detection and maintenance reagents according to requirements in the using process. At the same time, these devices may also place demands on the type of liquid, amount of liquid, temperature, injection pressure of a single injection. For the equipment adopting the manual injection mode to feed liquid, an auxiliary automatic device does not exist in the market at present to replace and finish the liquid feeding work, the using steps of the equipment are complicated, the workload is large, and even the equipment is damaged due to the occurrence of operation errors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the not enough of prior art, provide an automatic feed liquor and push away a kind device.

In order to achieve the purpose, the automatic liquid feeding and sample pushing device comprises a liquid storage module, a liquid path module and a movement machine head module, and is characterized in that the liquid path module adopts a two-way electromagnetic valve set to be connected in series and is used for selectively outputting liquid in the liquid storage module; the moving machine head module comprises an injector clamp used for fixing an injector, and a sample injection push rod is arranged above the injector clamp; the first moving machine head is arranged on the horizontal guide rail, and the electromagnetic valve group is arranged on the first moving machine head; the injector clamp and the liquid outlet pipe are arranged on the first movement machine head, and the liquid inlet interface is arranged on the first vertical guide rail and is connected with the liquid outlet pipe or the injector through vertical movement.

Preferably, the stock solution module includes three liquid storage tanks and sets up automatic heating and temperature control device, stores distilled water, washing liquid and detection liquid respectively, is provided with the baffle on the liquid storage tank, and the subsidiary matter storage lattice of baffle, outermost removable cover that is of liquid storage tank.

Preferably, the first moving machine head adjusts the positions of the injector and the liquid outlet pipe through horizontal movement.

Preferably, the liquid inlet interface is arranged on a cross arm, is connected with the first vertical guide rail through a second moving machine head and can vertically move up and down, one end of the liquid inlet interface is in butt joint with the injector or the liquid outlet pipe after going upwards, and the other end of the liquid inlet interface is a short flexible hose and is fixedly connected with the sample inlet of the breast milk analyzer.

Preferably, the sample injection push rod is connected with the second vertical guide rail through a connecting arm, and the sample injection push rod can move vertically along the second vertical guide rail.

Preferably, the device further comprises a warm bath heating module, the warm bath heating module comprises a liquid storage tank heater and a syringe heating sleeve, the liquid storage tank heater is used for heating the liquid storage module, and the syringe heating sleeve is used for heating and placing the syringe after sampling.

Preferably, the liquid storage tank is connected with the electromagnetic valve group through a pump set, the pump set comprises a first pump, a second pump and a third pump, the first liquid storage tank is connected with the first pump, the second liquid storage tank is connected with the second pump, and the third liquid storage tank is connected with the third pump.

Preferably, the solenoid valve group comprises a first solenoid valve and a second solenoid valve, the first solenoid valve and the second solenoid valve are connected in series, the first pump is connected with a liquid inlet of the first solenoid valve, the second pump and the third pump are connected with a liquid inlet of the second solenoid valve, and a liquid outlet of the first solenoid valve is connected with a liquid outlet pipe.

Preferably, the solenoid valve group is a multi-inlet one-outlet valve, the first pump, the second pump and the third pump are respectively connected with a multi-inlet one-outlet valve liquid inlet, and a multi-inlet one-outlet valve liquid outlet is connected with the liquid outlet pipe.

Compared with the prior art, the utility model, its advantage lies in:

1. the pipeline system adopts two-way electromagnetic valve groups which are connected in series and can selectively output appointed liquid;

2. the sample is designed in an injector injection mode, so that the sample is prevented from being polluted;

3. the design of a movable machine head is adopted, so that the pumps and the valves are arranged on the machine head in a centralized manner, the pipeline path is reduced, and the cross contamination of all liquids is reduced;

4. the liquid inlet is connected with the liquid outlet pipe or the injector in a vertical motion manner, so that the device is simple and reliable;

5. temperature, liquid level and flow sensors are arranged in the liquid storage tank, so that automatic state alarm can be realized, and liquid adding, temperature control and abnormal operation can be reminded;

6. the injector clamp and the liquid inlet interface adopt compatible design, are compatible with disposable needleless middle-head injectors of various specifications, and are convenient to insert and take;

7. an injector heating sleeve is arranged for preheating the sample after sampling without secondary water bath.

Drawings

FIG. 1 is a flow chart of the operation of the first structure of the present invention;

FIG. 2 is a flow chart of the second structure of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

fig. 4 is another angle structure diagram of the present invention;

fig. 5 is a schematic view of a third angle structure of the present invention;

fig. 6 is a detailed view of the present invention;

FIG. 7 is a schematic structural view of the breast milk analyzer after installation;

in the figure: 1. the system comprises an electromagnetic valve group 2, an injector clamp 3, a sample injection push rod 4, a first moving machine head 5, a horizontal guide rail 6, a first vertical guide rail 7, a second vertical guide rail 8, a second moving machine head 9, a liquid inlet interface 10, a liquid outlet pipe 11, a liquid storage module 12, an injector heating jacket 13, a motor 14, a power supply 15, a pump set 16, a worm 17, an environment control board 18, a main control board 19, a moving machine head module 20, a liquid path module 21 and a breast milk analyzer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and the structure and principle of the present invention will be clear to those skilled in the art. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 3-fig. 6, the present invention provides an automatic liquid feeding and sample pushing device, which includes a liquid storage module 11, a liquid path module 20 and a moving machine head module 19, wherein the liquid path module 20 is connected in series by using a two-way electromagnetic valve set 1, and is used for selectively outputting liquid in the liquid storage module 11; the movement head module 19 comprises an injector clamp 2 used for fixing an injector, and a sample injection push rod 3 is arranged above the injector clamp 2; the first moving machine head 4 is arranged on the horizontal guide rail 5, and the electromagnetic valve group 1 is installed on the first moving machine head 4; the injector clamp 2 and the liquid outlet pipe 10 are arranged on a first moving machine head 4, and the liquid inlet interface 9 is arranged on a first vertical guide rail 6 and is connected with the liquid outlet pipe 10 or the injector through vertical movement. The liquid storage module 11 comprises three liquid storage tanks, is provided with an automatic heating and temperature control device, respectively stores distilled water, cleaning liquid and detection liquid, is provided with a partition plate, is attached with a storage lattice, and is provided with a movable cover plate on the outermost layer. The first moving machine head 4 adjusts the positions of the injector and the liquid outlet pipe 10 through horizontal movement. The liquid inlet interface 9 is arranged on a cross arm, is connected with the first vertical guide rail 6 through a second moving machine head 8, can vertically move up and down, one end of the liquid inlet interface is in butt joint with the injector or the liquid outlet pipe 10 after going up, and the other end of the liquid inlet interface is a short flexible hose and is fixedly connected with the sample inlet of the breast milk analyzer. The second vertical guide rail 7 is connected through the linking arm to advance a kind push rod 3, advance a kind push rod 3 and can follow the vertical guide rail 7 of second and do vertical motion, first motion aircraft nose 4 and second motion aircraft nose 8 pass through motor 13 and worm 16 control motion, still include pump package 15 in the liquid way module 20, pump package 15 includes first pump, second pump and third pump, the second pump is connected to first liquid storage pot, the second pump is connected to the second liquid storage pot, the third pump is connected to the third liquid storage pot, solenoid valve group 1 includes first solenoid valve and second solenoid valve, establish ties between first solenoid valve and the second solenoid valve, first solenoid valve inlet is connected to first pump, second solenoid valve inlet is connected to second pump and third pump, drain pipe 10 is connected to first solenoid valve liquid outlet.

Referring to fig. 2, a pump group 15 in the liquid path module 20 includes a first pump, a second pump and a third pump, the first liquid storage tank is connected to the first pump, the second liquid storage tank is connected to the second pump, the third liquid storage tank is connected to the third pump, the solenoid valve group 1 is a multi-inlet-one-outlet valve, the first pump, the second pump and the third pump are respectively connected to a liquid inlet of the multi-inlet-one-outlet valve, and a liquid outlet of the multi-inlet-one-outlet valve is connected to the liquid outlet pipe 10.

The utility model discloses still will have following optimal design:

the number of the liquid storage tanks in the liquid storage module 11 can be increased or decreased according to needs, the number of the pumps of the pump set is correspondingly increased or decreased, and the number of the pumps is consistent with the number of the liquid storage tanks. The quantity of solenoid valves in the solenoid valve group 1 can also be correspondingly increased or decreased, and only the requirement that each pump is independently connected with the liquid inlet of the solenoid valve group is met, and only one liquid outlet of the solenoid valve group is reserved to be connected with the liquid outlet pipe 10.

In a preferred embodiment, the apparatus further comprises:

the temperature bath heating module comprises a liquid storage tank heater and a syringe heating sleeve 12, the liquid storage tank heater is used for heating the liquid storage module 11, and the syringe heating sleeve 12 is used for heating and placing a sampled syringe;

the power supply 14 module comprises an AC/DC conversion power adapter, a power interface and a fuse set;

the electrical control module and the electrical control module comprise a main control board 18 with an I/O interface, a motor drive board, an alarm control board, an environment control board 17, a key control board, a liquid level sensor, a flow sensor and a temperature sensor.

Referring to fig. 7, in a preferred embodiment, an automatic liquid feeding and sample pushing device of the present invention is connected to a PC and a breast milk analyzer, one end of a liquid inlet interface 9 is connected to a liquid outlet pipe 10 or an injector, the other end is connected to a sample inlet of the breast milk analyzer, an I/O interface of a main control board 18 is connected to the PC, and the PC and the breast milk analyzer are also connected to each other. The specific working process is as follows:

s1, initializing the device, clicking the sample number generating button in the PC software detection interface, and automatically generating a unique sample number by the system, wherein the coding rule is a digital prefix (YYMMDD) + 3-bit sequence number; after the sample number is generated, adding 1 to the sequence number of the next sample number, and keeping the prefix unchanged in the current day; after the sample number is generated, the PC automatically adds an ID number into the breast milk analyzer and displays the ID number at the upper left corner of a screen of the breast milk analyzer, and the process takes about 1 minute;

s2, before adding a sample number to the breast milk analyzer by the PC, inserting a sampled injector into a warm bath tube in advance, configuring 2 injector warm bath tubes in a liquid inlet sample pushing device, keeping the internal temperature constant at 40 ℃ after system initialization is finished, placing a 5ml injector for at least about 15 seconds after warm bath is finished, taking out the sample-containing injector after warm bath from the warm bath tube, and inserting the sample-containing injector into an injector tube groove of the liquid inlet sample pushing device;

s3, one end of a liquid inlet interface 9 is connected with a liquid outlet pipe 10, the other end of the liquid inlet interface is connected with a sample inlet of a breast milk analyzer, a sample inlet push rod 3 is pressed down, a sample in an injector is injected into the breast milk analyzer, and after the sample is injected, the breast milk analyzer automatically completes measurement;

and S4, if the cleaning detection is not needed, starting countdown, and starting to execute the operation of inputting the sample ID within 3 minutes and 30 seconds by an operator to perform next sample detection, otherwise, directly executing the cleaning detection step.

In the preferred embodiment described above:

a breast milk analyzer: the mid-infrared breast milk analyzer produced by MIRIS-AB of Sweden can quantitatively determine fat, protein, carbohydrate, dry matter and total energy in breast milk;

cleaning solution: the liquid consumable used for cleaning the breast milk analyzer is hereinafter referred to as cleaning liquid. The original package is concentrated solution which is used after being diluted;

detection liquid: a liquid consumptive material for breast milk analysis appearance zero setting detects, hereinafter is referred to as detection liquid for short, and original packing is the concentrate, uses after diluting.

Claims

1. The utility model provides an automatic feed liquor with push away appearance device, includes stock solution module (11), liquid way module (20) and motion aircraft nose module (19), its characterized in that:

the liquid path module (20) is connected in series by adopting a two-way electromagnetic valve group (1) and is used for selectively outputting liquid in the liquid storage module (11); the exercise head module (19) includes:

the injector clamp (2) is used for fixing the injector, and a sample injection push rod (3) is arranged above the injector clamp (2);

the first moving machine head (4) is arranged on the horizontal guide rail (5), and the electromagnetic valve group (1) is installed on the first moving machine head (4);

the injector clamp (2) and the liquid outlet pipe (10) are arranged on the first moving machine head (4), and the liquid inlet interface (9) is arranged on the first vertical guide rail (6) and is connected with the liquid outlet pipe (10) or the injector through vertical movement.

2. The automatic sample feeding and pushing device as claimed in claim 1, wherein the liquid storage module (11) comprises three liquid storage tanks and an automatic heating and temperature control device for storing distilled water, cleaning liquid and detection liquid, respectively, the liquid storage tanks are provided with partition plates, the partition plates are provided with storage cells, and the outermost layer of the liquid storage tanks is a movable cover plate.

3. An automatic sample feeding and pushing device as claimed in claim 1, characterized in that said first moving head (4) adjusts the position of the injector and the outlet pipe (10) by moving horizontally.

4. The automatic liquid feeding and sample pushing device as claimed in claim 1, wherein the liquid feeding port (9) is arranged on a cross arm, is connected with the first vertical guide rail (6) through a second moving machine head (8), can move vertically up and down, one end of the liquid feeding port is connected with the injector or the liquid outlet pipe (10) after going up, and the other end of the liquid feeding port is a short flexible hose fixedly connected with the sample inlet of the breast milk analyzer.

5. The automatic liquid feeding and sample pushing device according to claim 1, wherein the sample feeding push rod (3) is connected to the second vertical guide rail (7) through a connecting arm, and the sample feeding push rod (3) can move vertically along the second vertical guide rail (7).

6. The automatic liquid feeding and sample pushing device as claimed in claim 1, wherein the device further comprises a warm bath heating module, the warm bath heating module comprises a liquid storage tank heater and a syringe heating jacket (12), the liquid storage tank heater is used for heating the liquid storage tank module, and the syringe heating jacket (12) is used for heating a syringe placed for sampling.

7. An automatic liquid feeding and sample pushing device as claimed in claim 2, wherein the liquid storage tank is connected with the solenoid valve set (1) through a pump set (15), the pump set (15) comprises a first pump, a second pump and a third pump, the first liquid storage tank is connected with the first pump, the second liquid storage tank is connected with the second pump, and the third liquid storage tank is connected with the third pump.

8. The automatic liquid feeding and sample pushing device as claimed in claim 7, wherein the solenoid valve set (1) comprises a first solenoid valve and a second solenoid valve, the first solenoid valve and the second solenoid valve are connected in series, the first pump is connected to a liquid inlet of the first solenoid valve, the second pump and the third pump are connected to a liquid inlet of the second solenoid valve, and a liquid outlet of the first solenoid valve is connected to the liquid outlet pipe (10).

9. The automatic liquid feeding and sample pushing device as claimed in claim 7, wherein the solenoid valve set (1) is a multi-inlet and one-outlet valve, the first pump, the second pump and the third pump are respectively connected to a multi-inlet and one-outlet valve liquid inlet, and the multi-inlet and one-outlet valve liquid outlet is connected to the liquid outlet pipe (10).