CN112229657B

CN112229657B - Electronic injection pump trace accuracy testing arrangement

Info

Publication number: CN112229657B
Application number: CN202010874730.XA
Authority: CN
Inventors: 刘兢兢; 吴治蓉; 康广; 王海燕; 夏玉华
Original assignee: Apollo Scientific Apparatus Jiangsu Co ltd
Current assignee: Apollo Scientific Apparatus Jiangsu Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2022-08-05
Anticipated expiration: 2040-08-27
Also published as: CN112229657A

Abstract

The invention relates to a micro-precision testing device of an electric injection pump, which comprises a flat plate, a main control plate and an electronic scale, wherein the electronic scale is a high-precision electronic scale, the flat plate is arranged at the top of a platform of the electronic scale, a round hole is formed in the middle of the flat plate, a first boss is fixed at the edge of the round hole and used for supporting a liquid medicine container, the main control plate is arranged inside the electronic scale and is in signal connection with the injection pump, a data management system and a communication module are arranged on the plate surface of the main control plate, the data management system is used for recording the output time of the liquid medicine in the injection pump and the weight of the liquid output by a weighing sensor, analyzing and storing the acquired data and sending the data to the communication module. The electric injection pump micro-precision testing device can accurately measure the start-stop time points of the injection pump, automatically record data and calculate results, automatically give automatic control signals, reduce manual errors and test labor cost, and improve the working efficiency of the injection pump test.

Description

Electric injection pump trace precision testing device

Technical Field

The invention relates to the technical field of injection pump detection, in particular to a micro-precision testing device for an electric injection pump.

Background

After the batch production of the injection pumps, in order to test the micro-dosage accuracy and the speed accuracy of the electric injection pumps, the electric injection pumps need to be tested for verifying the quality of the injection pumps. In order to test the working accuracy and the liquid medicine flow speed of the injection pump in the existing enterprise, manual observation measurement is generally adopted, and the technical bottlenecks of low test efficiency, long test period, difficult data management, difficult equipment source tracing and the like exist. However, the matching degree of the testing equipment of the mechanical pump and the electric injection pump is poor, so that the mechanical pump is not suitable for the current injection pump, and no special testing equipment exists in the market.

Disclosure of Invention

The invention aims to provide a micro-precision testing device for an electric injection pump, which is used for solving the problems in the background technology.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a micro-precision testing device of an electric injection pump comprises a flat plate, a main control panel and an electronic scale, wherein a display screen is installed on one side of the outer portion of the electronic scale, a weighing sensor and a power supply are installed inside the electronic scale, the electronic scale is a high-precision electronic balance, the flat plate is installed on the top of a platform of the electronic scale, the bottom of the flat plate is in contact with a probe of the weighing sensor, a round hole is formed in the middle of the flat plate and used for avoiding the probe of the weighing sensor, and a liquid medicine container can be in direct contact with the probe; the edge of round hole is fixed with first boss, first boss is used for supporting the liquid medicine container, the inside at the electronic scale is installed to the master control board, master control board and injection pump signal connection, the master control board is connected with power, weighing sensor, display screen respectively, be equipped with data management system and communication module on the face of master control board, data management system is used for the record from the liquid medicine output's in the injection pump time and the liquid weight of weighing sensor output, carries out the storage after the data that will acquire after the analysis to send communication module, communication module is used for uploading the data that the test obtained to the cloud database.

The data management system comprises a timing module, a storage module, a counting module and an analysis module, wherein the timing module is used for recording the time of liquid output from the drug injection pump, the counting module is used for counting the time recorded by the timing module and the liquid weight output by the weighing sensor, the analysis module is used for analyzing the statistical data obtained by the counting module, and the storage module is used for storing the data analyzed by the analysis module and sending the analyzed data to the communication module.

In the scheme, one side of the electronic scale is provided with a data interface and a power supply output interface, the input end of the data interface is connected with the communication module, the output end of the data interface leads out tested data through a cable, the input end of the power supply output interface is connected with a power supply, and the output end of the power supply output interface is used for being connected with the power supply interface of the drug injection pump.

In the scheme, the front end operation face of the electronic scale is provided with the adjusting key, the adjusting key is installed on one side of the display screen and connected with the display screen, the observation hole is formed in one side of the bottom of the electronic scale, the electronic scale comprises a base, and the air level is installed inside the observation hole.

In the scheme, the electronic scale comprises a base, a power input interface is installed at the back of the base and used for being connected with an external power supply, and the main control panel, the power supply and the weighing sensor are all installed on the base.

In the above scheme, the top of flat board is equipped with the second boss, the second boss is located the outside of first boss, the flat board has the protection casing through second boss joint, the perforation hole has been seted up at the top of protection casing.

In the above scheme, the power supply is connected with the main control panel through the transformer, the output end of the power supply is connected with the current detection circuit and the voltage setting module, and the current detection circuit and the voltage setting module are respectively connected with the main control panel.

Compared with the prior art, the invention has the beneficial effects that: the electric injection pump micro-precision testing device can accurately measure the start-stop time points of the injection pump, automatically record data and calculate results, automatically give automatic control signals, and reduce manual errors and the testing labor cost. Independent intelligent test equipment need not extra computer hardware resource, has data storage and managerial ability, and the test result can be imported into the cloud database, uses big data analysis to promote the product quality of injection pump. Test items and parameters are set, test signals are automatically given out according to a test process, test data are recorded, test results are output, and the whole process is intelligent. During working, continuous testing is performed without manual intervention, a single tester on a production line can operate the testing device in a flowing manner, and the testing efficiency is remarkably improved.

Drawings

The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a block diagram of the working principle of the present invention;

FIG. 2 is a schematic view of the overall external structure of the present invention;

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

fig. 4 is a schematic structural diagram of the present invention in practice.

Reference numbers in the figures: 1-plate; 11-a circular hole; 12-a first boss; 13-a second boss; 14-a shield; 2-a main control panel; 21-a data management system; 211-a timing module; 212-a storage module; 213-a statistics module; 214-an analysis module; 22-a communication module; 23-a power supply; 231-a current detection circuit; 232-voltage setting module; 24-a load cell; 241-a probe; 25-a display screen; 3-electronic scale; 31-a data interface; 32-power output interface; 33-an adjustment button; 34-a viewing aperture; 4-a machine base; 41-level bubble; 42-power input interface; 5-a drug injection pump; 6-liquid medicine container; 61-injection needle.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described in detail with reference to the attached drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution to which the present invention relates.

According to the technical scheme of the invention, a plurality of alternative structural modes and implementation modes can be provided by a person with ordinary skill in the art without changing the essential spirit of the invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.

The technical solution of the present invention is further described in detail with reference to the accompanying drawings and examples.

As shown in FIGS. 1 to 4, an apparatus for measuring a micro-precision of an electric syringe pump includes a tablet 1, a main control board 2, and an electronic scale 3, a display screen 25 is installed on an outer side of the electronic scale 3, and a load cell 24 and a power supply 23 are installed inside the electronic scale 3, which are components existing in the general electronic scale 3 except that a tray is used instead of the tablet 1 in this embodiment. When testing the drug injection pump 5, the electronic scale 3 should adopt a high-precision electronic balance to test the micro-precision of the drug injection pump 5 based on the precision capable of calculating grams and milligrams.

As can be seen from fig. 2, the flat plate 1 is mounted on the top of the platform of the electronic scale 3, the bottom of the flat plate 1 contacts with the probe 241 of the load cell 24, and when an object is placed on the flat plate 1, the weight of the object is timely collected by the load cell 24. The round hole 11 is opened at the middle part of the flat plate 1, the round hole 11 is used for avoiding out the probe 241 of the weighing sensor 24, so that the liquid medicine container 6 can directly contact the probe 241, and the accuracy of the measured liquid medicine weight data is improved. The edge of the round hole 11 is fixed with a first boss 12, the first boss 12 is used for supporting the liquid medicine container 6, and the liquid medicine container 6 can be a beaker, a measuring cylinder or other container capable of collecting liquid medicine. The main control panel 2 is installed in the inside of electronic scale 3, and the main control panel 2 adopts the model to be STM32 series's singlechip chip, and main control panel 2 and injection pump 5 signal connection control the opening of injection pump 5 through main control panel 2 and stop, and then conveniently take notes operating time.

As a preferable scheme, a second boss 13 is arranged at the top of the flat plate 1, the second boss 13 is located at the outer side of the first boss 12, please refer to fig. 4, the flat plate 1 is clamped with a protective cover 14 through the second boss 13, and a through hole is formed at the top of the protective cover 14. When the injection pump 5 is tested, the infusion tube of the injection pump 5 is connected with the injection needle 61, and the injection needle 61 passes through the tube-through hole at the top of the protective cover 14 and extends into the liquid medicine container 6. The protective cover 14 has the function of preventing the liquid medicine from evaporating, and can also provide a supporting force for the injection needle 61, so that the injection needle is stably suspended in the liquid medicine container 6, and the accuracy of the weighing result of the electronic scale 3 is facilitated.

The main control panel 2 is connected with power 23, weighing sensor 24, display screen 25 respectively, is equipped with data management system 21 and communication module 22 on the face of main control panel 2, and data management system 21 is used for the time of liquid medicine output and the liquid weight of weighing sensor 24 output from injection pump 5 of record, and the data of will acquireing are analyzed the back and are stored to send communication module 22, and communication module 22 is used for uploading the data that the test obtained to the cloud database.

Specifically, referring to fig. 1, the data management system 21 includes a timing module 211, a storage module 212, a counting module 213, and an analysis module 214, wherein the timing module 211 is configured to record time of outputting the liquid medicine from the medication pump 5, the counting module 213 is configured to count the time recorded by the timing module 211 and the weight of the liquid output by the weighing sensor 24, the analysis module 214 is configured to analyze statistical data obtained by the counting module 213, and the storage module 212 is configured to store data analyzed by the analysis module 214 and send the analyzed data to the communication module 22.

Referring to fig. 2, a data interface 31 and a power output interface 32 are installed on one side of the electronic scale 3, the power output interface 32 is connected to a power supply of the drug injection pump 5 through a wire, an input end of the data interface 31 is connected to the communication module 22, an output end of the data interface 31 leads out data to be tested through a cable, an input end of the power output interface 32 is connected to the power supply 23, and an output end of the power output interface 32 is used for being connected to the power supply interface of the drug injection pump 5.

An adjusting button 33 is arranged on the front operating surface of the electronic scale 3, and the adjusting button 33 is installed on one side of the display screen 25 and used for adjusting and checking the collected weight data and collecting the infusion time of the drug injection pump 5, so that the infusion speed of the drug injection pump 5 during working is calculated. Adjust button 33 and be connected with display screen 25, conveniently look over weight data and infusion time, also can show the analysis result that transmits from control panel 2, and observation hole 34 has been seted up to bottom one side of electronic scale 3, and electronic scale 3 includes frame 4, and the internally mounted of observation hole 34 has air level 41, when using, comes the precision of check-up electronic scale 3 through air level 41.

Referring to fig. 3, the electronic scale 3 includes a base 4, a power input interface 42 is installed on the back of the base 4, the power input interface 42 is used for connecting an external power source, and the main control board 2, the power source 23 and the weighing sensor 24 are all installed on the base 4.

The power supply 23 is connected with the main control panel 2 through a transformer, the output end of the power supply 23 is connected with a current detection circuit 231 and a voltage setting module 232, the current detection circuit 231 is used for judging the current of the injection pump 5, and the current detection circuit 231 and the voltage setting module 232 are respectively connected with the main control panel 2. The voltage setting module 232 is used for matching according to the rated voltage of the drug injection pump 5 so as to keep a good working state.

In practice, as shown in fig. 4, the electronic scale mainly comprises a high-precision electronic scale 3, a built-in controllable power supply 23, a main control panel 2 and related pipelines. The power output interface 32 in the electronic scale 3 is connected with the power supply of the drug injection pump 5 through a lead, the main control panel 2 is in signal connection with the drug injection pump 5, the transfusion end of the drug injection pump 5 is connected with the injection needle 61 through a conduit, and the injection needle 61 penetrates through a tube hole at the top of the protective cover 14 and extends into the liquid medicine container 6. The electric injection pump 5 is powered, the current detection circuit 231 is used for detecting the working current of the electric injection pump 5, the starting and stopping time points of the injection pump 5 are comprehensively judged, the weighing capacity on the electronic scale 3 at the corresponding moment is read, the micro-dosage and the speed of the injection pump are calculated, and the set target dosage and the set target speed are combined to obtain the corresponding precision. The testing device gives a self-control dosing key signal to the dosing pump 5 through the main control panel 2, and multiple times of measurement are automatically realized. The testing device displays the testing result immediately after the testing is finished, and the internal storage data can be inserted into the online line through the data interface 31 to be connected to the PC machine for reading.

The electric injection pump micro-precision testing device is developed based on the infusion pump accuracy test requirements in two documents of GB9706.27 infusion pump and infusion controller safety special requirement and the portable electric infusion pump YY/T1469 action standard.

The electric injection pump micro-precision testing device can accurately measure the start-stop time points of the injection pump, automatically record data and calculate results, automatically give automatic control signals, and reduce manual errors and the testing labor cost. Independent intelligent test equipment need not extra computer hardware resource, has data storage and managerial ability, and the test result can be imported into the cloud database, uses big data analysis to promote the product quality of injection pump. Test items and parameters are set, test signals are automatically given out according to a test process, test data are recorded, test results are output, and the whole process is intelligent. During working, continuous testing is performed without manual intervention, a single tester on a production line can operate the testing device in a flowing manner, and the testing efficiency is remarkably improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an electronic injection pump trace accuracy testing arrangement, includes dull and stereotyped (1), main control panel (2) and electronic scale (3), display screen (25) are installed to outside one side of electronic scale (3), the internally mounted of electronic scale (3) has weighing sensor (24) and power (23), its characterized in that: the electronic scale (3) is a high-precision electronic scale, the flat plate (1) is installed at the top of a platform of the electronic scale (3), the bottom of the flat plate (1) is in contact with a probe (241) of the weighing sensor (24), a round hole (11) is formed in the middle of the flat plate (1), the round hole (11) is used for avoiding the probe (241) of the weighing sensor (24), and the liquid medicine container (6) can be in direct contact with the probe (241);

a first boss (12) is fixed at the edge of the round hole (11), the first boss (12) is used for supporting a liquid medicine container (6), the main control panel (2) is installed inside the electronic scale (3), the main control panel (2) is in signal connection with the medicine injection pump (5), the main control panel (2) is respectively connected with a power supply (23), a weighing sensor (24) and a display screen (25), a data management system (21) and a communication module (22) are arranged on the panel surface of the main control panel (2), the data management system (21) is used for recording the output time of liquid medicine in the medicine injection pump (5) and the weight of liquid output by the weighing sensor (24), the obtained data are analyzed and then stored and sent to the communication module (22), and the communication module (22) is used for uploading the data obtained by testing to a cloud database;

the top of flat board (1) is equipped with second boss (13), second boss (13) are located the outside of first boss (12), flat board (1) has protection casing (14) through second boss (13) joint, the perforation hole has been seted up at the top of protection casing (14).

2. The micro-precision testing device of an electric injection pump according to claim 1, wherein: data management system (21) is including timing module (211), storage module (212), statistics module (213) and analysis module (214), timing module (211) is used for the record from the time of liquid medicine output in injection pump (5), statistics module (213) are used for the statistics time of timing module (211) record and the liquid weight of weighing sensor (24) output, analysis module (214) is used for the analysis statistics data that statistics module (213) obtained, storage module (212) are used for with data after analysis module (214) analysis are stored to data after will analyzing send communication module (22).

3. The micro-precision testing device of an electric injection pump according to claim 2, wherein: data interface (31) and power output interface (32) are installed to one side of electronic scale (3), the input and the communication module (22) of data interface (31) are connected, the data that test was arrived are derived to the output of data interface (31) through the cable conductor, the input and the power (23) of power output interface (32) are connected, the output of power output interface (32) is used for with the power interface connection of injection pump (5).

4. The micro-precision testing device of an electric injection pump according to claim 1, wherein: the front end operating surface of electronic scale (3) is equipped with adjusts button (33), adjust button (33) and install the one side at display screen (25), it is connected with display screen (25) to adjust button (33), observation hole (34) have been seted up to bottom one side of electronic scale (3), electronic scale (3) are including frame (4), the internally mounted of observation hole (34) has air level (41).

5. The micro-precision testing device of the electric medicine injection pump according to claim 1, wherein: electronic scale (3) include frame (4), power input interface (42) are installed at the back of frame (4), power input interface (42) are used for connecting external power source, main control panel (2), power (23), weighing sensor (24) are all installed on frame (4).

6. The micro-precision testing device of an electric injection pump according to claim 1, wherein: the power supply (23) is connected with the main control panel (2) through a transformer, the output end of the power supply (23) is connected with a current detection circuit (231) and a voltage setting module (232), and the current detection circuit (231) and the voltage setting module (232) are respectively connected with the main control panel (2).