CN212549063U - Solution preparation and injection system based on reciprocating driving device - Google Patents

Abstract

The utility model provides a solution preparation and injection system based on a reciprocating driving device, which comprises a liquid storage device, a first pipeline, a first valve, a second pipeline, a second valve, a control device and a liquid preparation device; a fourth accommodating space is arranged in the liquid distribution device; the fourth accommodating space is connected with the liquid storage device through a first pipeline; the fluid in the fourth accommodating space flows out through a second pipeline; the first valve and the second valve are respectively arranged on the first pipeline and the second pipeline, and the control device is respectively electrically connected with the first valve and the second valve; join in marriage the quantity of liquid device and can set up according to the fluidic kind of needs in the solution configuration, be provided with the injection head on the second pipeline, the utility model discloses well whole system of preparing passes through pipeline sealing connection, does not have the spill of liquid medicine and volatilizees, need not the electric energy supply except that the switch in the liquid medicine injection process, safe and reliable, noiselessness, it is extensive to use.

Description

Solution preparation and injection system based on reciprocating driving device

Technical Field

The utility model relates to a solution preparation technical field specifically relates to a solution is prepared and injection system based on reciprocating drive device.

Background

Injection refers to the injection of liquid or gas into the body with the aid of a medical device such as a syringe to achieve the purpose of diagnosis, treatment, and prevention of diseases, and is different from taking medicine, and the liquid medicine can quickly reach the blood and act after injection. The liquid medicine can quickly reach blood and act after being injected, but the medicine is difficult to remove in case of misuse, pain is caused during injection, and local adverse reaction sometimes occurs at the injection part.

In the technical field of the existing medical treatment, a plurality of patients need to inject medicines for a long time to maintain normal life, so that the patients need to spend a large amount of time to regularly inject to hospitals, and medical staff also need to spend a large amount of time to manually dispense medicines at regular intervals, wherein the labor intensity is high, the efficiency is low, the operation is easy to be wrong, the time of the patients and the medical staff is wasted, and unsafe factors also exist; especially, the preparation requirements of a plurality of liquid medicines are strict, and the preparation proportion of various liquid medicines is strict, thereby bringing greater challenges to the manual preparation of the liquid medicines.

Patent document CN209154758U discloses an intelligent injection system, which obtains the blood sugar value of the user through the continuous blood sugar monitor, and sends it to the single chip through the wireless connection module, the single chip will the blood sugar value send it to the liquid crystal display screen for displaying, so that the user can know the current blood sugar value in real time, when the blood sugar value is higher than the normal level, send the instruction to the single chip through the key, the single chip receives the instruction control of the key the first motor driving circuit drives the double-tube injection pump to inject insulin, when the blood sugar value is lower than the normal level, send the instruction to the single chip through the key, the single chip receives the instruction control of the key the second motor driving circuit drives the double-tube injection pump to inject glucagon, thereby monitoring and displaying the blood sugar value of the diabetic patient in real time, and injecting insulin or glucagon through the key to maintain the blood sugar balance in vivo, the safety of the diabetic is ensured, but the design can not realize the condition of preparing various liquid medicines, and is completely based on electric energy and has noise.

SUMMERY OF THE UTILITY MODEL

To overcome the drawbacks of the prior art, the present invention provides a solution preparation and injection system based on a reciprocating drive device.

According to the utility model provides a solution preparation and injection system based on reciprocating drive device, including stock solution device, first pipeline 1, first valve 5, second pipeline 6, second valve 7, controlling means and join in marriage the liquid device;

a fourth accommodating space 35 is arranged in the liquid distribution device;

the fourth accommodating space 35 is connected with a liquid storage device through a first pipeline 1;

the fluid in said fourth containing space 35 flows out through the second duct 6;

the first valve 5 and the second valve 7 are respectively arranged on the first pipeline 1 and the second pipeline 6, and the control device is respectively electrically connected with the first valve 5 and the second valve 7;

the number of the liquid preparation devices can be set according to the type of fluid required in solution preparation, and the number of the liquid storage devices is matched with that of the liquid preparation devices.

Preferably, the liquid distribution device is provided with a fluid actuator and a power actuator, the power actuator is provided with a second driving body 8, and any one of the following structural forms is adopted:

a linkage rod 9 is included, a first connecting end 33 and a second connecting end 36 are arranged on the linkage rod 9, the first connecting end 33 extends into the fluid actuator and forms a fourth accommodating space 35 with the fluid actuator;

the second connecting end 36 extends into the power actuator and forms a fifth accommodating space 37 with the power actuator, the fifth accommodating space 37 is a closed space, and the second driving body 8 is installed in the fifth accommodating space 37;

the second driving body 8 is electrically connected with a control device;

the linkage rod 9 moves away from the fifth accommodating space 37 under the driving of the second driving body 8;

the fifth accommodating space 37 is a closed space, the linkage rod 9 is communicated with the external atmosphere, when the driving of the second driving body 8 is released, the linkage rod 9 moves towards the direction close to the fourth accommodating space 35 under the action of the external atmosphere, and at the moment, the volume of the fourth accommodating space 35 is reduced.

One end of the power actuator extends into the interior of the fluid actuator and forms a sixth receiving space 38 with the fluid actuator, and the other end of the power actuator is a free end;

the power actuator comprises a fixed rod 39 and a moving shell 34, the fixed rod 39 is installed inside the moving shell 34, a first accommodating space 3 is formed between the fixed rod 39 and the moving shell 34, and the second driving body 8 is installed in the first accommodating space 3;

the second driving body 8 is electrically connected with a control device;

the moving housing 34 moves in a direction in which the volume of the first receiving space 3 becomes larger along the fixing rod 39 by being driven by the second driving body 8;

the first receiving space 3 is a closed space, the fixing rod 39 communicates with the outside atmosphere through the moving housing 34, and when the driving of the second driving body 8 is released, the moving housing 34 moves in a direction in which the volume of the first receiving space 3 is reduced along the fixing rod 39 by the external atmospheric pressure, and at this time, the volume of the sixth receiving space 38 is reduced.

Preferably, the liquid supplementing device and the third valve 13 are further included;

the third valve 13 is mounted on the first pipeline 1;

the liquid supplementing device is arranged on the first pipeline 1 and is arranged between the first valve 5 and the third valve 13;

a fluid infusion device shell 24 and a first driving rod 2 are arranged inside the fluid infusion device, and the inside of the fluid infusion device shell 24 is divided into a second accommodating space 30 and a third accommodating space 31 by the first driving rod 2;

the second accommodating space 30 and the third accommodating space 31 are both closed spaces, and the first driving body 4 is arranged in the second accommodating space 30;

the third accommodating space 31 is respectively connected with a fourth accommodating space 35 and a liquid storage device through a first pipeline 1; or

The third accommodating space 31 is respectively connected with a sixth accommodating space 38 and a liquid storage device through a first pipeline 1;

the first driving body 4 is electrically connected with a control device;

when the first driving body 4 drives the first driving rod 2 to move close to the third accommodating space 31, the first valve 5 is opened, and the fluid in the third accommodating space 31 enters the fourth accommodating space 35 through the first pipeline 1;

when the first driving body 4 is released from driving, the third valve 13 is opened to close the first valve 5, and the first driving rod 2 moves away from the third accommodating space 31 under the external atmospheric pressure to suck the fluid in the reservoir into the third accommodating space 31.

Preferably, the first valve 5, the second valve 7 and the third valve 13 respectively adopt any one of the following structural forms:

comprises a first control rod 10, a second control rod 11, a control mechanism 12 and a joint shaft 14, wherein the first control rod 10 and the second control rod 11 are arranged in a crossed manner, and the first control rod 10 and the second control rod 11 can rotate mutually around the joint shaft 14 under the driving of the control mechanism 12;

when the control mechanism 12 drives one end of the first control rod 10 and one end of the second control rod 11 to move away from each other, the other end of the first control rod 10 and the other end of the second control rod 11 move away from each other, and the first valve 5 or the second valve 7 is opened;

when the control mechanism 12 drives one end of the first control rod 10 and one end of the second control rod 11 to approach each other, the other end of the first control rod 10 and the other end of the second control rod 11 approach each other, and the first valve 5 or the second valve 7 is closed;

comprising a control mechanism 12, a mounting carrier 15, a control arm 16, a support column 17 and a telescoping mechanism 18;

the control arm 16 comprises a control end and a driving end;

one end of the control mechanism 12, one end of the supporting column 17 and one end of the telescopic mechanism 18 are respectively installed on the installation carrier 15, and the control arm 16 is rotatably installed at the other end of the supporting column 17;

the driving end of the control arm 16 is driven by the control mechanism 12 to rotate around the other end of the support column 17 so as to actuate the control end of the control arm 16, and the first valve 5 and/or the second valve 7 are/is opened;

when the control mechanism 12 is far away from the driving end, the telescopic mechanism 18 can drive the driving end to close the first valve 5 and/or the second valve 7;

comprises a first capsule 41, a second capsule 42 and a first magnetic field control body;

the first and second capsules 41 and 42 are respectively arranged at two sides of the inner parts of the first and second pipelines 1 and 6 along the width direction, and the first and second capsules 41 and 42 are filled with switching fluid;

when the first magnetic field control body does not apply a magnetic field, a first gap exists between the first capsule 41 and the second capsule 42, and the first valve 5 and/or the second valve 7 are/is opened;

when the first magnetic field control body applies a magnetic field, the first capsule 41 and the second capsule 42 are deformed to be close to block the first pipeline 1 and/or the second pipeline 6 to close the first valve 5 and/or the second valve 7;

a third capsule 44 and a second magnetic field control body, said third capsule 44 being arranged inside the first and second lines 1, 6, said third capsule 44 being filled with a switching fluid;

when the second magnetic field control body does not apply a magnetic field, a second gap exists between the third capsule 44 and the inner wall of the first pipeline 1 or the second pipeline 6, and the first valve 5 and/or the second valve 7 are/is opened;

when the second magnetic field control body applies a magnetic field, the third capsule 44 deforms so as to block the first and/or second lines 1, 6 to close the first and/or second valves 5, 7.

Preferably, the control mechanism 12 includes any one of the following structural forms:

-a piezoelectric ceramic structure;

-a magnetostrictive structure;

-a shape memory alloy drive body;

-a hydraulic or pneumatic drive body;

-a magnetorheological fluid drive body;

-an electrorheological fluid driving body;

-a thermal expansion drive body;

-an electromagnetic drive body;

-an electromagnetic permanent magnet drive body.

Preferably, the first driving body 4 or the second driving body 8 respectively adopts any one of the following driving structures:

-an electric machine;

-a phase change drive body;

-a smart material structure;

-a pneumatic drive body;

-a hydraulic driving body.

Preferably, the fluid infusion device shell 24 is an annular structure;

an annular channel is arranged in the annular structure, a plug 22 is fixed in the annular channel, and the first driving rod 2 and the plug 22 divide the annular channel into a second accommodating space 30 and a third accommodating space 31.

Preferably, a blending chamber 40 is also included;

the blending chamber 40 is respectively connected with the fourth accommodating space 35 and the third accommodating space 31 through the first pipeline 1; or

The blending chamber 40 is connected to the sixth accommodating space 38 and the third accommodating space 31 through the first pipeline 1.

Preferably, the injection device comprises an injection head 25, one end of the injection head 25 is connected with the second pipeline 6, and the other end of the injection head 25 is a free end;

the number of the injection heads 25 is one or more.

Preferably, the device also comprises a liquid preparation tank 20 and a finished product tank 21;

the liquid preparation tank 20 is respectively connected with the second pipeline 6 and the finished product tank 21.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses realize the preparation of solution based on reciprocating drive device and controlling means, and whole preparation system passes through pipeline sealing connection, the spill and the volatilization of no liquid medicine, and the liquid medicine flows to the in-process of joining in marriage the cistern from fourth accommodation space 3 and need not the electric energy supply except that the switch, and safe and reliable, accurate controllable, noiselessness can realize the liquid medicine that multiple liquid medicine was prepared simultaneously, compares simple structure with prior art, convenient operation, and it is extensive to use.

2. This device can be applied to the injection system of human body or animal, accomplishes the preparation of solution and the injection of solution, and preparation and injection go on in step, and is small, and the precision is high, is applicable to patient or animal and carries, has very big portability, can install or dress on the human body or on the animal, and the practicality is strong.

3. The utility model discloses well first valve and second valve can adopt precision switch, thereby control trace fluid flows through in the valve and realizes the big stroke output of first transfer line and accurate displacement, and control accuracy is high, can be applied to the precision instrument.

4. The utility model discloses can adopt multiple drive modes such as memory alloy structure, motor, can be according to the reasonable selection of application scene of difference.

5. The utility model discloses a set up a plurality of liquid devices of joining in marriage and a plurality of matched with stock solution device and can realize the online preparation of multiple solution, through preset injection dosage, the quantitative safe preparation is confirmed to the single, and safe and reliable can realize solution preparation and injection through controlling means, has alleviateed the amount of labour in the patient treatment process greatly.

6. The utility model discloses well first valve, second valve and third valve can adopt the fluid (the switching fluid) that plays the switching action specially to realize the switch of valve, the simple operation, and the range of application is extensive.

7. The utility model discloses in can enough realize through fifth accommodation space and external atmosphere production pressure differential that the liquid medicine adds the liquid distribution groove from fourth accommodation space, reduce the power consumption, can realize solution preparation through the mode of exerting pressure voluntarily again simultaneously, can be according to the application scene rational selection of difference, the practicality is strong.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the fluid infusion device of the present invention

Fig. 3 is a schematic structural diagram of the first valve and the second valve when the first valve and the second valve are closed according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of the first valve and the second valve when the first valve and the second valve are opened according to the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a first valve and a second valve in an embodiment;

FIG. 6 is an enlarged schematic view of the fluid drive displacement in the control mechanism;

FIG. 7 is a schematic view of a configuration for hydraulic displacement reduction in the control mechanism;

FIG. 8 is a schematic structural diagram of a phase change material before and after a phase change in a first driving body;

FIG. 9 is a schematic structural view of a fluid infusion device employing an annular structure;

FIG. 10 is a schematic view of the first valve or the second valve with multiple bladders for opening the valves;

FIG. 11 is a schematic diagram of a first valve or a second valve with multiple bladders for closing the valves;

FIG. 12 is a schematic view of the first valve or the second valve with a single bladder for opening the valve;

FIG. 13 is a schematic view of a first valve or a second valve with a single bladder for valve closure;

FIG. 14 is a schematic structural view of the present invention after the liquid preparation tank and the product tank are installed;

fig. 15 is a schematic view of the injection head of the present invention when mounted on the second pipeline;

FIG. 16 is a schematic view of the structure of the injection head of the present invention mounted on the liquid distribution tank;

fig. 17 is a schematic structural diagram of an embodiment of the present invention;

FIG. 18 is a schematic view of the present invention when the mounting device is provided with a mounting housing;

FIG. 19 is a schematic view of the structure of the present invention when it is mounted on the arm of a human body;

FIG. 20 is a schematic structural view of the present invention when it is installed on the chest or waist of a human body;

FIG. 21 is a schematic diagram of the mixing chamber.

The figures show that:

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

The utility model provides a solution preparation and injection system based on a reciprocating driving device, as shown in figure 1, comprising a liquid storage device, a first pipeline 1, a first valve 5, a second pipeline 6, a second valve 7, a control device and a liquid preparation device; a fourth accommodating space 35 is arranged in the liquid distribution device; the fourth accommodating space 35 is connected with a liquid storage device through a first pipeline 1; the fluid in said fourth containing space 35 flows out through the second duct 6; the first valve 5 and the second valve 7 are respectively arranged on the first pipeline 1 and the second pipeline 6, and the control device is respectively electrically connected with the first valve 5 and the second valve 7; the number of the liquid preparation devices can be set according to the type of fluid required in solution preparation, and the number of the liquid storage devices is matched with that of the liquid preparation devices.

Further, as shown in fig. 1, the injection device further comprises an injection head 25, one end of the injection head 25 is connected with the second pipeline 6, and the other end of the injection head 25 is a free end; the number of the injection heads 25 is one or more, when the number of the injection heads 25 is multiple, the injection heads 25 can be arranged in parallel and sequentially form a planar arrangement structure, such as a single-row structure in fig. 15, or the injection heads 25 can be arranged in a regular array arrangement structure, such as an array structure in fig. 15, or an irregular three-dimensional arrangement mode can be set according to the injection position, specifically, the design is carried out according to the actual application scene, so as to meet the actual requirement, and under the condition of stable negative pressure, the device can realize the effect (slow release effect) of slowly and uniformly injecting the liquid medicine for a long time through the injection heads 25 by precisely controlling the valves. In a preferred embodiment, the number of the injection heads 25 is 64, and the 64 injection heads 25 are arranged in an array of 8 rows and 8 columns of rectangular parallelepiped structures.

Further, the injection head 25 can be mounted on the liquid preparation tank 20 or the injection head 25 can be mounted on the finished product tank 21 for use, besides being directly mounted on the second pipeline 6 for use, and is reasonably selected according to actual conditions.

The utility model provides an injection apparatus can realize the effect that need not the gravity injection through the pressure differential that fifth accommodation space 37 and outside atmospheric pressure formed, the traditional mode through the gravity bit has been overcome, can design into compact structure with this device in practical application, as shown in FIG. 17, reach small effect, and install in installation shell 26, as shown in FIG. 18, the injection end of injection head 25 extends to the outside of installation shell 26, wearable on one's body according to actual conditions when using, also can install on one's body according to the injection position, as shown in FIG. 19, as shown in FIG. 20, FIG. 19 is for installing on human arm, FIG. 20 is for installing at human front chest or installing at the position of human belly or any needs of human body installation, reach all effects of following up on the human body.

Specifically, as shown in fig. 14 and 16, the liquid medicine mixing device further includes a liquid mixing tank (20) and a finished product tank (21), the liquid mixing tank (20) is respectively connected to the second pipeline (6) and the finished product tank (21), and according to the characteristics of different liquid medicines, the liquid medicines can be firstly added into the liquid mixing tank (20) for mixing and then pressed into the finished product tank (21) for use, so that the liquid medicines can be more uniform through the finished product tank (21), and the requirements of special solutions can be met.

Specifically, as shown in fig. 14, the injection device is mounted on a finished product tank 21, and the finished product tank 21 is connected with a liquid preparation tank 20 through a pipeline; the control device can respectively control the first valve 5, the second valve 7, the liquid preparation device and the injection device to complete the preparation and injection operation of the solution according to a set program, can be applied to a portable injection device in practical application, can adopt the system to preset injection dosage and injection time to complete the automatic preparation of the liquid medicine for a patient who needs to be injected frequently, further complete automatic injection, and solves the trouble that the patient frequently goes to a hospital.

Specifically, as shown in fig. 1, a fluid actuator and a power actuator are arranged in the liquid distribution device, a second driving body 8 is arranged in the power actuator, the liquid distribution device may adopt various structural forms, and in a preferred example, the liquid distribution device includes a linkage rod 9, a first connection end 33 and a second connection end 36 are arranged on the linkage rod 9, the first connection end 33 extends into the fluid actuator and forms a fourth accommodation space 35 with the fluid actuator; the second connecting end 36 extends into the power actuator and forms a fifth accommodating space 37 with the power actuator, the fifth accommodating space 37 is a closed space, and the second driving body 8 is installed in the fifth accommodating space 37; the second driving body 8 is electrically connected with a control device; the linkage rod 9 moves away from the fifth accommodating space 37 under the driving of the second driving body 8; the fifth accommodating space 37 is a closed space, the linkage rod 9 is communicated with the external atmosphere, when the driving of the second driving body 8 is released, the linkage rod 9 moves towards the direction close to the fourth accommodating space 35 under the action of the external atmosphere, and at the moment, the volume of the fourth accommodating space 35 is reduced.

Further, as shown in fig. 1, as a preferred example of the liquid dispensing device, the second driving body 8 uses a shape memory alloy to realize the movement of the linkage rod 9, the linkage rod 9 drives the pistons at both ends to synchronously move, and the linkage rod 9 can move away from the fourth accommodating space 35 under the action of the external atmospheric pressure, but the driving device used at this time is a combination mode of the shape memory alloy, wherein the shape memory alloy can be heated to shrink, and the driving can also be realized by using cooling to shrink.

Further, in one variation, one end of the power actuator extends into the fluid actuator to form a sixth accommodating space 38 with the fluid actuator, and the other end of the power actuator is a free end; the power actuator comprises a fixed rod 39 and a moving shell 34, the fixed rod 39 is installed inside the moving shell 34, a first accommodating space 3 is formed between the fixed rod 39 and the moving shell 34, and the second driving body 8 is installed in the first accommodating space 3; the second driving body 8 is electrically connected with a control device; the moving housing 34 moves in a direction in which the volume of the first receiving space 3 becomes larger along the fixing rod 39 by being driven by the second driving body 8; the first receiving space 3 is a closed space, the fixing rod 39 communicates with the outside atmosphere through the moving housing 34, and when the driving of the second driving body 8 is released, the moving housing 34 moves in a direction in which the volume of the first receiving space 3 is reduced along the fixing rod 39 by the external atmospheric pressure, and at this time, the volume of the sixth receiving space 38 is reduced.

Specifically, as shown in fig. 1 and 2, the liquid supplementing device and the third valve 13 are further included; the third valve 13 is mounted on the first pipeline 1; the fluid replacement device is mounted on the first pipeline 1 and is arranged between the first valve 5 and the third valve 13.

Specifically, as shown in fig. 2, a fluid replacement device housing 24 and a first drive rod 2 are provided inside the fluid replacement device, the fluid replacement device housing 24 is divided into a second accommodating space 30 and a third accommodating space 31 by the first drive rod 2, the second accommodating space 30 and the third accommodating space 31 are both closed spaces, and a first drive body 4 is provided in the second accommodating space 30; the third accommodating space 31 is respectively connected with a fourth accommodating space 35 and a liquid storage device through a first pipeline 1; or the third accommodating space 31 is respectively connected with the sixth accommodating space 38 and the liquid storage device through the first pipeline 1; the first driving body 4 is electrically connected with a control device; when the first driving body 4 drives the first driving rod 2 to move close to the third accommodating space 31, the first valve 5 is opened, and the fluid in the third accommodating space 31 enters the fourth accommodating space 35 through the first pipeline 1; when the first driving body 4 is released from driving, the third valve 13 is opened to close the first valve 5, and the first driving rod 2 moves away from the third accommodating space 31 under the external atmospheric pressure to suck the fluid in the reservoir into the third accommodating space 31.

Specifically, in a preferred embodiment, as shown in fig. 1, the liquid storage device adopts a liquid storage bottle 23, and holding vessels with different structural forms and sizes can be selected according to actual conditions to meet the requirements of practical application.

Specifically, as shown in fig. 1, the first driving body 4 or the second driving body 8 includes a plurality of driving forms, including using a smart material, a motor, a hydraulic pressure, a pneumatic pressure, or a phase-change material, and in a preferred example, the first driving body 4 uses a phase-change material as the driving body, for example, a phase-change material paraffin is used, an electric heating wire is disposed in the paraffin, and a phase change of the phase-change material is realized by energizing and heating the electric heating wire, so that expansion and contraction are realized by controlling a temperature change of the paraffin, and thus precise driving of the first driving body 4 on the first driving rod 2 is realized, as shown in fig. 8, which is a schematic diagram of before and after the first driving rod 2 moves before and after being heated by; in a variation, the first driving body 4 is made of a shape memory alloy in a smart material as a driving body, the shape memory alloy has a shape memory effect, and in the case of a spring made of a memory alloy, the spring is placed in hot water, the length of the spring is immediately extended, and then the spring is placed in cold water, and the spring is immediately restored to its original shape.

Specifically, as shown in fig. 1 and 21, the mixing device further comprises a mixing chamber 40; the blending chamber 40 is respectively connected with the fourth accommodating space 35 and the third accommodating space 31 through the first pipeline 1; or the blending chamber 40 is connected with the sixth accommodating space 38 and the third accommodating space 31 through the first pipeline 1, and the blending chamber 40 is a blending transition container, so that the liquid medicine is added into the fourth accommodating space 35 after being blended through repeated pressing and sucking of the fluid, and the solution preparation quality is improved.

Specifically, as shown in fig. 21, the blending chamber 40 is an elastic body, when the liquid in the blending chamber is filled and expanded, the restoring force of the elastic body acts on the liquid inside the blending chamber 40, and at this time, if the blending chamber 40 is connected to the external injection head 25, the elastic body presses the liquid inside when the corresponding switch is opened, so that the injection pressure of the injection head 25 can be increased, and therefore, the injection pressure can be stabilized and increased by the restoring force of the blending chamber 40 itself.

Further, as shown in fig. 21, the kneading chamber 40 is connected to the sixth accommodating space 38, so that the liquid medicine in the sixth accommodating space 38 can flow into the kneading chamber 40 by the second driving body 8, and the liquid medicine in the kneading chamber 40 can flow back to the sixth accommodating space 38 by the action of the external atmospheric pressure, and the liquid medicine can be sufficiently stirred by repeatedly flowing into and out of the kneading chamber 40. Based on the same principle, as shown in fig. 2, the liquid preparation tank 20 can also achieve the same function of the blending chamber 40, thereby achieving uniform mixing of the liquid medicine.

Specifically, in a preferred embodiment, the liquid storage device shell 24 is a ring-shaped structural body, as shown in fig. 9, a ring-shaped channel is arranged inside the ring-shaped structural body, a plug 22 is fixed inside the ring-shaped channel, the first driving body 4 includes an electric heating wire and a phase change material, one end of the electric heating wire is installed on the plug 22, and the other end of the electric heating wire is connected to the first driving rod 2, when the electric heating wire is powered on and heated, the phase change material is heated to change phase, so that the first driving rod 2 can be driven to move along the direction of the ring-shaped channel inside the ring-shaped structural body, and thus the third accommodating space 31 can be enlarged or reduced, and further, fluid flows into the third accommodating space 31 or flows out of the third accommodating.

Specifically, as shown in fig. 3 and 4, the first valve 5, the second valve 7 or the third valve 13 can take various structural forms, in one embodiment, the first valve 5, the second valve 7 or the third valve 13 includes a first control rod 10, a second control rod 11, a control mechanism 12 and an articulated shaft 14, the first control rod 10 and the second control rod 11 are arranged in a crossed manner, and the first control rod 10 and the second control rod 11 can rotate mutually around the articulated shaft 14 under the driving of the control mechanism 12, when the control mechanism 12 drives one end of the first control rod 10 and the second control rod 11 to move away from each other, the other end of the first control rod 10 and the other end of the second control rod 11 move away from each other, as shown in fig. 4, when the first valve 5 or the second valve 7 is opened; when the control mechanism 12 drives one end of the first control rod 10 and one end of the second control rod 11 to approach each other, the other end of the first control rod 10 and the other end of the second control rod 11 approach each other, as shown in fig. 3, and the first valve 5 or the second valve 7 is closed; a second spring 24 is arranged between the first control rod 10 and the second control rod 11 and close to the control mechanism 12, and can play a role in auxiliary buffering in the valve opening and closing process.

Further, in another embodiment, as shown in fig. 5, the first valve 5, the second valve 7 or the third valve 13 includes a control mechanism 12, a mounting carrier 15, a control arm 16, a supporting column 17 and a telescopic mechanism 18, the control arm 16 includes a control end and a driving end, one end of the control mechanism 12, one end of the supporting column 17 and one end of the telescopic mechanism 18 are respectively mounted on the mounting carrier 15, the control arm 16 is rotatably mounted at the other end of the supporting column 17, the driving end of the control arm 16 is driven by the control mechanism 12 to rotate around the other end of the supporting column 17 so as to move the control end of the control arm 16 away from the fluid in the valves to open the first valve 5, the second valve 7 or the third valve 13, the telescopic mechanism 18 is provided with a first spring 19, when the other end of the control mechanism 12 is away from the driving end of the control arm 16, the first spring 19 is capable of actuating the telescoping mechanism 18 to move the control end of the control arm 16 closer to the fluid in the valve to effect closing of the first valve 5, the second valve 7, or the third valve 13. In a specific application, the installation position of the supporting column 17 on the control arm 16 may be adjusted according to an actual application scenario, so as to achieve the action sensitivity of the control end when the control mechanism 12 applies a force at the driving end, and achieve the corresponding enlargement or reduction of the force or displacement, as shown in fig. 6 and 7, so as to achieve the corresponding enlargement or reduction of the force or displacement with a desired control effect, so as to achieve the desired control effect.

Still further, in another embodiment, the present invention includes a third capsule 44 and a second magnetic field control body, the third capsule 44 is disposed inside the first and second pipelines 1 and 6, the third capsule 44 is filled with a switching fluid, when the second magnetic field control body does not apply a magnetic field, a second gap exists between the third capsule 44 and the inner wall of the first or second pipeline 1 or 6, as shown in fig. 12, when the first and/or second valves 5 and 7 are open, and when the second magnetic field control body applies a magnetic field, as shown in fig. 13, the third capsule 44 is deformed to block the first or second pipeline 1 or 6, so as to close the first, second or third valves 5, 7 or 13.

In practical application, reducing parts are arranged in the first pipeline 1 and the second pipeline 6 so as to enable the third capsule 44 to achieve a better pipeline plugging effect, and the inner diameter of the reducing part in the pipeline is smaller than that of the pipeline, so that the pipeline can be plugged better when the third capsule 44 deforms; the first pipeline 1 and the second pipeline 6 may also adopt a structure that the cross section of the internal flow passage is polygonal, for example, a square, so that the blocking effect on the pipelines when the third bag body 44 deforms can be increased, and the plugging effect is reasonably selected according to a specific application scene during specific design.

Specifically, in a further embodiment, the device comprises a first capsule 41, a second capsule 42 and a first magnetic field control body, the first capsule 41 and the second capsule 42 are respectively disposed at two sides of the inside of the first pipeline 1 or the second pipeline 6 along the width direction, in a preferred embodiment, the first capsule 41 and the second capsule 42 are filled with a switching fluid, such as a magnetorheological fluid, when the first magnetic field control body does not apply a magnetic field, a first gap exists between the first capsule 41 and the second capsule 42, as shown in fig. 10, the first valve 5 or the second valve 7 is open; when the first magnetic field control body applies a magnetic field, as shown in fig. 11, the first capsule 41 and the second capsule 42 are deformed to be close to each other so as to block the first pipeline 1 or the second pipeline 6 to close the first valve 5 or the second valve 7.

It should be noted that, the fluid flowing in the pipeline is named as working fluid, and is suitable for the situation that the switching fluid and the working fluid are different kinds of fluid, the switching fluid is adopted to realize the switching of the valve, and the switching fluid is filled in the capsule body and used for being isolated from the working fluid to prevent mutual pollution, wherein, the quantity of the capsule body can be one or more, and the switching of the valve can be realized. For example, two bladders are used in fig. 10 and 11 to open or close the first valve 5 or the second valve 7; for another example, in fig. 12 and 13, one capsule is used to open or close the first valve 5 or the second valve 7, wherein more than two capsules may be used to open or close the valves.

Specifically, the control mechanism 12 can adopt various structural forms according to actual application scenarios, as shown in fig. 10, 6, and 7, is a fluid transmission displacement mechanism in the form of a communicating vessel, and is a device capable of realizing force amplification or force reduction, under the same magnetic field force, when the control mechanism 12 adopts the structure in fig. 5 and 7, a larger driving stroke can be obtained, and when the control mechanism 12 adopts the structure in fig. 6, a smaller driving stroke can be obtained, so that the control mechanism can be reasonably selected according to requirements in actual applications.

Furthermore, the control mechanism 12 adopts a piezoelectric ceramic structure, and the opening and closing of the control mechanism 12 are realized by controlling the current introduced into the piezoelectric ceramic structure, so that the precise control is realized; in one variation, the control mechanism 12 is a magnetostrictive structure, and the control mechanism 12 is opened and closed by controlling the magnitude of the magnetic field applied to the magnetostrictive structure, and in another variation, the control mechanism 12 is an electromagnetic coil in combination with a permanent magnet structure.

Further, the control mechanism 12 can also adopt various structural forms such as a shape memory alloy driving body, a hydraulic or pneumatic driving body, a magnetorheological fluid driving body, an electrorheological fluid driving body, a thermal expansion driving body, an electromagnetic driving body and the like to realize control.

Specifically, the utility model discloses can carry out accurate solution and prepare, as shown in fig. 14, set up the quantity of joining in marriage the liquid device according to the kind that needs the liquid medicine in the solution is prepared, multiple liquid medicine gets into finished product groove 21 after mixing in joining in marriage cistern 20 and mixes for subsequent use.

It should be noted that the liquid medicine in the utility model is one kind in the solution preparation, can also be the preparation of other liquid, consequently the utility model discloses can be applied to the preparation of multiple liquid, the range of application is extensive.

Taking the preparation of the liquid medicine as an example and combining fig. 1 and fig. 16, the working principle of the utility model is as follows:

the number of the liquid preparation devices is selected according to the type of the liquid medicine to be added, for example, 3 liquid medicines are required to be mixed in the liquid medicine, the label is A, B, C, the total preparation amount of the liquid medicine is assumed to be 25ml, wherein A is 7ml, B is 8ml, and C is 10ml, parameter information of liquid medicine preparation is input into the control device according to the actual condition of liquid preparation, the control device controls the first valve 5, the second valve 7 and the second driving body 8 according to the input instruction to complete the preparation of the liquid medicine, and the control device controls the injection device to be injected into a human body according to preset information to complete the automatic injection task.

Specifically, in the process of preparing the liquid medicine, the second valve 7 is firstly closed, the first valve 5 is opened, the control device controls the second driving body 8 to drive the linkage rod 9 to move in the direction away from the fourth accommodating space 35, the fourth accommodating space 35 is a closed space, the liquid medicine in the liquid storage device is sucked into the fourth accommodating space 35 along with the increase of the space of the fourth accommodating space 35, and the control device controls the second driving body 8 to stop driving when the suction amount of the fourth accommodating space 35 reaches the set requirement; next, the first valve 5 is closed, the second valve 7 is opened, since the linkage rod 9 is communicated with the outside atmosphere, the fifth accommodating space 37 is a closed space, when the driving force of the second driving body 8 is released, a pressure difference is generated between the fifth accommodating space 37 and the outside atmosphere, the linkage rod 9 moves towards the direction close to the fourth accommodating space 35 under the action of the outside atmosphere, at this time, the volume of the fourth accommodating space 35 becomes smaller, the liquid medicine in the fourth accommodating space 35 is pressed into the liquid distribution tank 20 through the second pipeline 6, when A, B, C three kinds of liquid medicines are added into the liquid distribution tank 20 according to the set volume of solution, the multiple kinds of liquid medicines are mixed in the liquid distribution tank 20, the liquid medicines in the liquid distribution tank 20 flow into the finished product tank 21 after being mixed, and the injection of the liquid medicine is completed through the injection device under the control of the control device.

It should be noted that, the utility model discloses the in-process that the liquid medicine was prepared, the process that fourth accommodation space 35 inhaled the liquid medicine needs the energy consumption, adds the in-process that joins in marriage cistern 20 at the liquid medicine from fourth accommodation space 35, and except that the valve is not power consumptive, produces the pressure differential through fifth accommodation space 37 and external atmosphere and realizes, and whole process control precision is high, and controlling means can be according to the quantity of the automatic selection of the information instruction automatic selection of input and join in marriage the liquid device, has realized the liquid medicine and has prepared and the automation of injection.

The utility model discloses realize the automatic of solution and prepare based on reciprocating drive device and controlling means, and whole system of preparing passes through pipeline sealing connection, the spill and the volatilization of no liquid medicine, safe and reliable, accurate controllable, noiselessness can realize the liquid medicine that multiple liquid medicine was prepared simultaneously, compares simple structure with prior art, convenient operation, uses extensively.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (11)

1. A solution preparation and injection system based on a reciprocating driving device is characterized by comprising a liquid storage device, a first pipeline (1), a first valve (5), a second pipeline (6), a second valve (7), a control device and a liquid preparation device;

a fourth accommodating space (35) is arranged in the liquid distribution device;

the fourth accommodating space (35) is connected with the liquid storage device through a first pipeline (1);

the fluid in the fourth containing space (35) flows out through a second pipeline (6);

the first valve (5) and the second valve (7) are respectively arranged on the first pipeline (1) and the second pipeline (6), and the control device is respectively electrically connected with the first valve (5) and the second valve (7);

the number of the liquid preparation devices can be set according to the type of fluid required in solution preparation, and the number of the liquid storage devices is matched with that of the liquid preparation devices.

2. The reciprocating drive device-based solution preparing and injecting system as claimed in claim 1, wherein said solution preparing device is provided with a fluid actuator and a power actuator, said power actuator is provided with a second driving body (8), and any one of the following structural forms is adopted:

-a linkage rod (9) is included, a first connecting end (33) and a second connecting end (36) are arranged on the linkage rod (9), the first connecting end (33) extends into the fluid actuator and forms a fourth accommodating space (35) with the fluid actuator;

the second connecting end (36) extends into the power actuator and forms a fifth accommodating space (37) with the power actuator, the fifth accommodating space (37) is a closed space, and the second driving body (8) is installed in the fifth accommodating space (37);

the second driving body (8) is electrically connected with the control device;

the linkage rod (9) moves in a direction away from the fifth accommodating space (37) under the driving of the second driving body (8);

the linkage rod (9) is communicated with the outside atmosphere, when the driving of the second driving body (8) is released, the linkage rod (9) moves towards the direction close to the fourth accommodating space (35) under the action of the outside atmosphere, and at the moment, the volume of the fourth accommodating space (35) is reduced;

-one end of the power actuator extends into the interior of the fluid actuator and forms a sixth accommodation space (38) with the fluid actuator, the other end of the power actuator being a free end;

the power actuator comprises a fixed rod (39) and a moving shell (34), the fixed rod (39) is installed inside the moving shell (34), a first accommodating space (3) is formed between the fixed rod (39) and the moving shell (34), and the second driving body (8) is installed in the first accommodating space (3);

the moving shell (34) moves along the fixed rod (39) to the direction that the volume of the first accommodating space (3) is increased under the driving of the second driving body (8);

the first accommodating space (3) is a closed space, the fixed rod (39) is communicated with the external atmosphere through the moving shell (34), when the second driving body (8) is removed from driving, the moving shell (34) moves towards the direction that the volume of the first accommodating space (3) is reduced along the fixed rod (39) under the action of the external atmosphere pressure, and at the moment, the volume of the sixth accommodating space (38) is reduced.

3. A reciprocating drive apparatus based solution compounding and injection system according to claim 1, further comprising a fluid replacement apparatus and a third valve (13);

the third valve (13) is arranged on the first pipeline (1);

the liquid supplementing device is arranged on the first pipeline (1) and is arranged between the first valve (5) and the third valve (13);

a fluid infusion device shell (24) and a first driving rod (2) are arranged inside the fluid infusion device, and the interior of the fluid infusion device shell (24) is divided into a second accommodating space (30) and a third accommodating space (31) by the first driving rod (2);

the second accommodating space (30) and the third accommodating space (31) are closed spaces, and a first driving body (4) is arranged in the second accommodating space (30);

the third accommodating space (31) is respectively connected with a fourth accommodating space (35) and a liquid storage device through a first pipeline (1); or

The third accommodating space (31) is respectively connected with a sixth accommodating space (38) and a liquid storage device through a first pipeline (1);

the first driving body (4) is electrically connected with a control device;

when the first driving body (4) drives the first driving rod (2) to move close to the third accommodating space (31), the first valve (5) is opened, and the fluid in the third accommodating space (31) enters the fourth accommodating space (35) through the first pipeline (1);

when the first driving body (4) is released from driving, the third valve (13) is opened to close the first valve (5), and the first driving rod (2) moves away from the third accommodating space (31) under the action of the external atmospheric pressure so as to suck the fluid in the liquid storage device into the third accommodating space (31).

4. A reciprocating drive device based solution preparing and injecting system according to claim 3, wherein said first valve (5), said second valve (7) and said third valve (13) are respectively in any one of the following structural forms:

-comprising a first control rod (10), a second control rod (11), a control mechanism (12) and a joint shaft (14), wherein the first control rod (10) and the second control rod (11) are arranged crosswise, and the first control rod (10) and the second control rod (11) can rotate mutually around the joint shaft (14) under the driving of the control mechanism (12);

when the control mechanism (12) drives one ends of the first control rod (10) and the second control rod (11) to be away from each other, the other ends of the first control rod (10) and the second control rod (11) are away from each other, and the first valve (5) or the second valve (7) is opened;

when the control mechanism (12) drives one ends of the first control rod (10) and the second control rod (11) to approach each other, the other ends of the first control rod (10) and the second control rod (11) approach each other, and the first valve (5) or the second valve (7) is closed;

-comprising a control mechanism (12), a mounting carrier (15), a control arm (16), a support column (17) and a telescoping mechanism (18);

the control arm (16) comprises a control end and a driving end;

one end of the control mechanism (12), one end of the supporting column (17) and one end of the telescopic mechanism (18) are respectively arranged on the mounting carrier (15), and the control arm (16) is rotatably arranged at the other end of the supporting column (17);

the driving end of the control arm (16) is driven by the control mechanism (12) to rotate around the other end of the supporting column (17) so as to enable the control end of the control arm (16) to act, and the first valve (5) and/or the second valve (7) are/is opened;

when the control mechanism (12) is far away from the driving end, the telescopic mechanism (18) can drive the driving end to close the first valve (5) and/or the second valve (7);

-comprising a first capsule (41), a second capsule (42) and a first magnetic field control body;

the first bag body (41) and the second bag body (42) are respectively arranged on two sides of the inner parts of the first pipeline (1) and the second pipeline (6) along the width direction, and switch fluid is filled in the first bag body (41) and the second bag body (42);

when the first magnetic field control body does not apply a magnetic field, a first gap exists between the first capsule (41) and the second capsule (42), and the first valve (5) and/or the second valve (7) are/is opened;

when the first magnetic field control body applies a magnetic field, the first capsule (41) and the second capsule (42) deform to be close to block the first pipeline (1) and/or the second pipeline (6) to close the first valve (5) and/or the second valve (7);

-comprising a third capsule (44) and a second magnetic field control body, said third capsule (44) being arranged inside the first (1) and second (6) lines, said third capsule (44) being filled with a switching fluid;

when the second magnetic field control body does not apply a magnetic field, a second gap exists between the third capsule body (44) and the inner wall of the first pipeline (1) or the second pipeline (6), and the first valve (5) and/or the second valve (7) are/is opened;

when the second magnetic field control body applies a magnetic field, the third capsule (44) deforms so as to block the first pipeline (1) and/or the second pipeline (6) to close the first valve (5) and/or the second valve (7).

5. A reciprocating drive apparatus based solution compounding and injection system according to claim 4, wherein said control mechanism (12) comprises any one of the following structural forms:

-a piezoelectric ceramic structure;

-a magnetostrictive structure;

-a shape memory alloy drive body;

-a hydraulic or pneumatic drive body;

-a magnetorheological fluid drive body;

-an electrorheological fluid driving body;

-a thermal expansion drive body;

-an electromagnetic drive body;

-an electromagnetic permanent magnet drive body.

6. A reciprocating drive device based solution preparing and injecting system as claimed in claim 2, wherein said second driving body (8) adopts any one of the following driving structure:

-an electric machine;

-a phase change drive body;

-a smart material structure;

-a pneumatic drive body;

-a hydraulic driving body.

7. A reciprocating drive device based solution preparing and injecting system as claimed in claim 4, wherein said first driving body (4) adopts any one of the following driving structure:

-an electric machine;

-a phase change drive body;

-a smart material structure;

-a pneumatic drive body;

-a hydraulic driving body.

8. A reciprocating drive-based solution compounding and injection system according to claim 3, wherein said fluid replacement device housing (24) is an annular structure;

an annular channel is arranged in the annular structure body, a plug (22) is fixed in the annular channel, and the annular channel is divided into a second accommodating space (30) and a third accommodating space (31) by the first driving rod (2) and the plug (22).

9. A reciprocating drive apparatus based solution compounding and injection system according to claim 3, further comprising a blending chamber (40);

the blending chamber (40) is respectively connected with a fourth accommodating space (35) and a third accommodating space (31) through a first pipeline (1); or

The blending chamber (40) is respectively connected with a sixth accommodating space (38) and a third accommodating space (31) through a first pipeline (1).

10. The reciprocating drive device based solution preparing and injecting system as claimed in claim 1, further comprising an injection device, wherein said injection device comprises an injection head (25), one end of said injection head (25) is connected with the second pipeline (6), and the other end of said injection head (25) is a free end;

the number of the injection heads (25) is one or more.

11. A reciprocating drive based solution compounding and injection system according to claim 1, further comprising a compounding tank (20) and a product tank (21);

the liquid preparation tank (20) is respectively connected with the second pipeline (6) and the finished product tank (21).

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