Negative pressure drainage instrument finished product detection device

By designing a finished product testing device for negative pressure drainage instruments and using a clock module and pulse width modulation technology to control the vent valve, efficient and accurate testing of negative pressure drainage equipment is achieved, solving the problems of low testing efficiency and accuracy in existing technologies.

CN223664204UActive Publication Date: 2025-12-12SUZHOU ORIZA MEDICAL INSTR CO LTD
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Patent Information

Application Number
CN202423307325.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-12
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing technologies cannot effectively simulate the actual working environment of negative pressure drainage devices for testing, resulting in low testing efficiency and accuracy.

Method used

A finished negative pressure drainage device testing apparatus was designed, comprising a button module, a clock module, a power supply module, a main control unit, a display module, a pressure sensor, and a vent valve. The vent valve is controlled by pulse width modulation technology to simulate the actual use environment, display the pressure value and time in real time, and determine whether the leakage alarm function of the equipment is normal.

Benefits of technology

It improves the efficiency and accuracy of finished product testing of negative pressure drainage equipment, can accurately simulate the actual use environment, monitor and adjust the leakage in real time, and improve the accuracy of testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a negative pressure drainage instrument finished product detection device, which relates to the field of negative pressure drainage instrument finished product detection, and comprises a key module, a clock module, a power supply module, a main control unit, a display module, a pressure sensor, a semi-permeable membrane and an air escape valve, and the semi-permeable membrane is connected with a first pipeline, a second pipeline and a third pipeline. According to the finished product detection device for the negative pressure drainage instrument, accurate time can be provided for the whole device through the clock module, the display module can display a real-time pressure value, timing time and system information, and the key module can set the leakage rate of a system. The device is used for simulating the actual use environment of the device and judging whether the leakage alarm function of the device is normal or not, the main control unit can drive the air escape valve to adjust the leakage amount, and the pressure sensor can upload the measured pressure value to the main control unit in real time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the finished product detection field of negative pressure drainage instrument, especially relates to a negative pressure drainage instrument finished product detection device. BACKGROUND

[0002] The negative pressure wound surface treatment technology is a new technology for treating wound surface developed in recent years, which uses the biological semi-permeable membrane to make the open wound surface closed, uses the negative pressure drainage equipment to generate certain negative pressure, and acts on the debrided wound surface through the drainage pipe and the dressing. When the negative pressure drainage equipment finished product is inspected, the timing function, negative pressure function and alarm function of the negative pressure drainage equipment need to be detected. The current negative pressure drainage equipment finished product inspection is directly measured by using the negative pressure table, and the actual working environment of the negative pressure drainage equipment cannot be simulated.

[0003] Therefore, it is necessary to provide a negative pressure drainage instrument finished product detection device to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model mainly aims at providing a negative pressure drainage instrument finished product detection device, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A negative pressure drainage instrument finished product detection device, comprising a key module, a clock module, a power module, a main control unit, a display module, a pressure sensor, a semi-permeable membrane and a gas leak valve, wherein the semi-permeable membrane is connected with a first pipeline, a second pipeline and a third pipeline.

[0007] Preferably, the output end of the key module is electrically connected with the input end of the main control unit, and the output end of the clock module is electrically connected with the input end of the main control unit.

[0008] Preferably, the output end of the power module is electrically connected with the input end of the main control unit, and the output end of the display module is electrically connected with the input end of the main control unit.

[0009] Preferably, the output end of the pressure sensor is electrically connected with the input end of the main control unit, and the output end of the main control unit is connected with the input end of the gas leak valve.

[0010] Preferably, the third pipeline is connected with the gas leak valve, the second pipeline is used for connecting the equipment to be detected, the first pipeline is connected with the pressure sensor, and the gas outlet of the gas leak valve is provided with a flow detection sensor, which is used for feeding the value of the flow monitoring sensor to the main control unit as a leakage amount feedback value.

[0011] Preferably, the power module is used to supply power, the button module is used to set system parameters and leakage levels, to simulate the actual operating environment of the device under test and to determine whether the leakage alarm function of the device under test is normal, the clock module is used to provide time, the display module is used to display operating information, the display module can set system operating parameters and display current operating information, the main control unit is used to receive the value of the pressure sensor and display it on the display module, the main control unit controls the operation of the vent valve based on the leakage information set by the button module through pulse width modulation technology, and the pressure sensor is used to upload the measured pressure value to the main control unit in real time.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This negative pressure drainage device's finished product testing unit, through its clock module, has a timing function and can display the current pressure value in real time. The main control unit can control the vent valve through pulse width modulation technology to simulate the leakage amount during actual use. It can be used for finished product inspection of negative pressure drainage equipment, improving the efficiency and accuracy of finished product testing of negative pressure drainage equipment.

[0014] 2. The finished product testing device of this negative pressure drainage instrument can provide accurate time through the set clock module. The display module can display real-time pressure value, timing time and system information. The button module can set the leakage amount of the system to simulate the actual use environment of the equipment and judge whether the leakage alarm function of the equipment is normal. The main control unit can drive the vent valve to adjust the leakage amount. The pressure sensor can upload the measured pressure value to the main control unit in real time.

[0015] 3. The finished product testing device for this negative pressure drainage device allows the negative pressure drainage equipment to be connected to the semi-permeable membrane via a third pipeline. The leakage amount and time can be set via the button module. The pressure value and time displayed on the display module are used to determine whether the negative pressure drainage equipment is working properly. The leakage alarm function of the negative pressure drainage equipment can be determined by increasing the leakage amount. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] In the diagram: 1. Button module; 2. Clock module; 3. Power supply module; 4. Main control unit; 5. Display module; 6. Pressure sensor; 7. First pipeline; 8. Semi-permeable membrane; 9. Second pipeline; 10. Vent valve; 11. Third pipeline. Detailed Implementation

[0018] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0019] Example 1:

[0020] like Figure 1 As shown, a negative pressure drainage device finished product testing device includes a button module 1, a clock module 2, a power supply module 3, a main control unit 4, a display module 5, a pressure sensor 6, a semi-permeable membrane 8, and a vent valve 10. A first pipe 7, a second pipe 9, and a third pipe 11 are connected to the semi-permeable membrane 8. The output of the button module 1 is electrically connected to the input of the main control unit 4. The output of the clock module 2 is electrically connected to the input of the main control unit 4. The output of the power supply module 3 is electrically connected to the input of the main control unit 4. The output of the display module 5 is electrically connected to the input of the main control unit 4. The output of the pressure sensor 6 is electrically connected to the input of the main control unit 4. The output of the main control unit 4 is connected to the input of the vent valve 10. The third pipe 11 is connected to the vent valve 10. The second pipe 9 is used to connect to the equipment to be tested. Pipeline 7 is connected to pressure sensor 6. A flow detection sensor is installed at the outlet of vent valve 10 to provide the value of the flow detection sensor as a leakage feedback value to the main control unit 4. Power module 3 is used for power supply. Button module 1 is used to set system parameters and leakage amount to simulate the actual use environment of the tested equipment and determine whether the leakage alarm function of the tested equipment is normal. Clock module 2 is used to provide time. Display module 5 is used to display operating information. Display module 5 can set system operating parameters and display current operating information. The main control unit 4 is used to receive the value of pressure sensor 6 and display it on display module 5. The main control unit 4 controls the operation of vent valve 10 through pulse width modulation technology based on the leakage information set by button module 1. Pressure sensor 6 is used to upload the measured pressure value to the main control unit 4 in real time.

[0021] The clock module 2, which has a timing function, can display the current pressure value in real time. The main control unit 4 can control the vent valve 10 through pulse width modulation technology to simulate the leakage amount during actual use. This can be used for the inspection of finished negative pressure drainage equipment, improving the efficiency and accuracy of the finished negative pressure drainage equipment inspection. The clock module 2 provides accurate time for the whole system. The display module 5 can display the real-time pressure value, timing time, and system information. The button module 1 can set the system leakage amount to simulate the actual use environment of the equipment and determine whether the equipment leakage alarm function is normal. The main control unit 4 can drive the vent valve 10 to adjust the leakage amount. The pressure sensor 6 can upload the measured pressure value to the main control unit 4 in real time. The negative pressure drainage equipment can be connected to the semi-permeable membrane 8 through the third pipeline 11. The leakage amount and time can be set through the button module 1. The pressure value and time displayed by the display module 5 can be used to determine whether the negative pressure drainage equipment is working properly. The leakage amount can be increased to determine whether the leakage alarm function of the negative pressure drainage equipment is normal.

[0022] It should be noted that this utility model is a finished product testing device for negative pressure drainage instrument. When in use, the negative pressure drainage device to be measured is connected to the semi-permeable membrane (8) through the second pipeline (9); the pressure sensor (6) is connected to the semi-permeable membrane (8) through the first pipeline (7); the vent valve (10) is connected to the semi-permeable membrane (8) through the third pipeline (11); the clock module (2) provides the system with accurate time measurement; the display module (5) displays the real-time pressure value, timing time, and system information; the button module (1) can set the leakage amount of the system, which is used to simulate the actual use environment of the equipment and judge whether the equipment leakage alarm function is normal; the main control unit (4) drives the vent valve (10) to adjust the leakage amount; and the pressure sensor (6) uploads the measured pressure value to the main control unit (4) in real time.

[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A negative pressure drainage device for testing finished products, comprising a button module (1), a clock module (2), a power supply module (3), a main control unit (4), a display module (5), a pressure sensor (6), a semi-permeable membrane (8), and a vent valve (10), characterized in that: The semipermeable membrane (8) is connected to a first conduit (7), a second conduit (9), and a third conduit (11).

2. The negative pressure drainage device for product testing according to claim 1, characterized in that: The output terminal of the button module (1) is electrically connected to the input terminal of the main control unit (4), and the output terminal of the clock module (2) is electrically connected to the input terminal of the main control unit (4).

3. The negative pressure drainage device for product testing according to claim 1, characterized in that: The output terminal of the power module (3) is electrically connected to the input terminal of the main control unit (4), and the output terminal of the display module (5) is electrically connected to the input terminal of the main control unit (4).

4. The negative pressure drainage device for product testing according to claim 1, characterized in that: The output terminal of the pressure sensor (6) is electrically connected to the input terminal of the main control unit (4), and the output terminal of the main control unit (4) is connected to the input terminal of the vent valve (10).

5. The negative pressure drainage device for product testing according to claim 1, characterized in that: The third pipeline (11) is connected to the vent valve (10), the second pipeline (9) is used to connect the equipment to be tested, the first pipeline (7) is connected to the pressure sensor (6), and the outlet of the vent valve (10) is equipped with a flow detection sensor, which is used to feed the value of the flow monitoring sensor as the leakage feedback value to the main control unit (4).

6. The negative pressure drainage device for product testing according to claim 1, characterized in that: The power module (3) is used to supply power. The button module (1) is used to set system parameters and leakage amount, to simulate the actual use environment of the tested equipment and to determine whether the leakage alarm function of the tested equipment is normal. The clock module (2) is used to provide time. The display module (5) is used to display operating information. The display module (5) can set system working parameters and display current operating information. The main control unit (4) is used to receive the value of the pressure sensor (6) and display it on the display module (5). The main control unit (4) controls the vent valve (10) to work based on the leakage information set by the button module (1) through pulse width modulation technology. The pressure sensor (6) is used to upload the measured pressure value to the main control unit (4) in real time.