CN213748876U - A inside pressure real-time supervision device of product for low pressure test - Google Patents
A inside pressure real-time supervision device of product for low pressure test Download PDFInfo
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- CN213748876U CN213748876U CN202022486763.5U CN202022486763U CN213748876U CN 213748876 U CN213748876 U CN 213748876U CN 202022486763 U CN202022486763 U CN 202022486763U CN 213748876 U CN213748876 U CN 213748876U
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Abstract
The utility model relates to a product internal pressure real-time supervision device for low-pressure test belongs to low-pressure test technical field. The pressure data acquisition module comprises a pressure sensor and a microprocessor, the pressure data acquisition module is installed inside a product to be tested, the data transmission module is used for transmitting the pressure data processed by the microprocessor to the outside of the product to be tested, and the data display and storage module is used for displaying the pressure data in real time and storing the data. The utility model discloses an at the inside monitoring pressure concentration of equipment, equipment is simple, and easily operation can realize the inside pressure of real-time supervision product in the low pressure test process to the leakproofness of accurate judgement electronic equipment structure.
Description
Technical Field
The utility model belongs to the technical field of the low-pressure test, in particular to a product inside pressure real-time supervision device for low-pressure test.
Background
The low-pressure test is a common method for examining the environmental suitability of products, and particularly for military electronic equipment, the low-pressure test is usually required in order to verify that the products can be normally used in high-altitude areas or high-altitude environments. When carrying out the low-pressure test, will be tried electronic equipment and put into special low-pressure test chamber, in order to verify whether electronic equipment can normally work under the low-pressure environment, need use long cable from the test chamber outside to be connected to electronic equipment's connector on, along with the continuous decline of the interior atmospheric pressure of test chamber, carry out capability test to electronic equipment outside the test chamber.
In the existing testing method, due to the complex functions of electronic equipment, a plurality of measuring instruments are used for performing function testing in the low-pressure testing process, and performance testing in the testing field is inconvenient. Meanwhile, whether the electronic equipment can normally work under low pressure depends on the sealing performance of the electronic equipment shell under most conditions, and testers cannot accurately judge the sealing performance of the electronic equipment shell structure in the test box outside the test box, so that whether components and parts in the electronic equipment are affected by the low pressure cannot be evaluated, once the components in the electronic equipment are sealed and failed, the low-pressure test result is inaccurate, and the misjudgment on the performance of the electronic equipment is formed.
Disclosure of Invention
The utility model aims at solving the above problem, providing a product inside pressure real-time supervision device for low atmospheric pressure test through increasing a pressure collection module inside electronic equipment to realize the inside pressure of real-time supervision product in the low atmospheric pressure test process, thereby the accuracy of test result is guaranteed to the leakproofness of accurate judgement electronic equipment structure.
The technical scheme of the utility model lies in: a real-time monitoring device for the internal pressure of a product for a low-pressure test comprises a pressure data acquisition module, a data transmission module, a data conversion module and a data display and storage module, wherein the pressure data acquisition module comprises a pressure sensor and a microprocessor and is arranged in the product to be tested; the data transmission module is connected with the pressure data acquisition module and is used for transmitting the pressure data processed by the microprocessor to the outside of a product to be detected; the data conversion module is connected with the data transmission module and is used for converting the pressure data transmitted by the data transmission module; the data display and storage module is connected with the data conversion module and is used for displaying the pressure data converted by the data conversion module in real time and storing the data.
Furthermore, the pressure sensor is arranged at a pressure measuring point in the product to be measured and used for acquiring pressure data; the microprocessor is connected with the pressure sensor and used for collecting and processing pressure data detected by the pressure sensor.
Furthermore, the pressure data detected by the pressure sensor is analog signal data, and the microprocessor converts the analog signal data into digital signal data.
Furthermore, the data transmission module and the pressure data acquisition module are connected through 4 lines including VCC, GND, RXD and TXD, wherein the VCC and GND lines provide power for the microprocessor and the pressure sensor.
Furthermore, the pressure data acquisition module and the data transmission module adopt UART serial port communication to transmit pressure data signals, the RXD is a pressure data signal receiving circuit, and the TXD is a pressure data signal transmitting circuit.
Furthermore, the pressure data acquisition module adopts an independent rechargeable battery to supply power for the pressure sensor and the microprocessor.
Furthermore, the data conversion module and the data display and storage module adopt a USB communication form to transmit pressure signal data.
Furthermore, the data conversion module comprises a USB and TTL mutual conversion module, a USB interface I and a TTL interface, and the TTL interface is connected with the data transmission module.
Furthermore, the data display and storage module comprises a display, a memory and a USB interface II, wherein the USB interface II is connected with the USB interface I of the data conversion module and is used for transmitting the pressure data converted by the data conversion module to the display in real time and storing the pressure data in the memory.
Furthermore, the pressure data acquisition module adopts an independent rechargeable battery to supply power for the pressure sensor and the microprocessor.
Furthermore, the data transmission module is a ZigBee data transmission module, and is connected with the pressure data acquisition module through a wireless transceiver module I and a wireless transceiver module II, and the wireless transceiver module I is positioned inside a product to be detected and is connected with the microprocessor.
The technical effects of the utility model reside in that: 1. the utility model discloses through increase a pressure acquisition module in the electronic equipment, can realize in the low atmospheric pressure test process real-time supervision product internal pressure to accurately judge the leakproofness of electronic equipment structure, guarantee the accuracy of test result; 2. the utility model discloses the system is independent, need not to change current low atmospheric pressure test process, and its implementation only needs to be operated through single unit, and equipment is simple, convenient and reliable.
Drawings
Fig. 1 is the utility model relates to a product internal pressure real-time supervision device schematic structure for low pressure test.
Fig. 2 is the utility model relates to a product internal pressure real-time supervision device pressure data real-time supervision signal cable transmission process schematic diagram for low pressure test.
Fig. 3 is the utility model relates to a product internal pressure real-time supervision device pressure data real-time supervision signal wireless transmission process schematic diagram for low pressure test.
Reference numerals: the device comprises a product to be tested, a 10-pressure data acquisition module, a 20-data transmission module, a 30-data conversion module, a 40-data display and storage module, a 101-pressure sensor, a 102-microprocessor, a 103-independent rechargeable battery, a 104-wireless transceiver module I, a 201-VCC, a 202-GND, a 203-RXD, a 204-TXD, a 205-ZigBee data transmission module, a 206-wireless transceiver module II, a 301-USB and TTL mutual conversion module, a 302-USB interface I, a 303-TTL interface, a 401-USB interface II, a 402-memory and a 403-display.
Detailed Description
Example 1
In order to overcome the unable accurate inside components and parts of judging electronic equipment of current low pressure test and whether seal the problem, the utility model provides a be used for the inside pressure real-time supervision device of low pressure test's product as shown in figure 1, the utility model discloses an increase a pressure collection module in electronic equipment inside to realize the inside pressure of real-time supervision product in the low pressure test process, thereby the accuracy of accuracy judgement electronic equipment structure guarantees the accuracy of test result.
A real-time monitoring device for internal pressure of a product for a low pressure test, as shown in fig. 1: a product internal pressure real-time monitoring device for a low-pressure test comprises a pressure data acquisition module 10, a data transmission module 20, a data conversion module 30 and a data display and storage module 40, wherein the pressure data acquisition module 10 comprises a pressure sensor 101 and a microprocessor 102, and the pressure data acquisition module 10 is arranged in a product 1 to be tested; the data transmission module 20 is connected with the pressure data acquisition module 10 and is used for transmitting the pressure data processed by the microprocessor 102 to the outside of the product 1 to be measured; the data conversion module 30 is connected to the data transmission module 20 and is configured to convert the pressure data transmitted by the data transmission module 20; the data display and storage module 40 is connected to the data conversion module 30, and is configured to display the pressure data converted by the data conversion module 30 in real time and store the data.
The utility model discloses a pressure sensor 101 and microprocessor 102 that set up pressure data acquisition module 10 in the product 1 that awaits measuring gather the product internal pressure data, and transmit to the product 1 outside that awaits measuring through data transmission module 20, after data conversion module 30 data conversion, show and save in data display and storage module 40 in real time, thereby realize in the low atmospheric pressure test process real-time supervision product internal pressure, thereby the leakproofness of accurate judgement electronic equipment structure, the accuracy of assurance test result; meanwhile, the existing low-pressure test process is not required to be changed, the implementation only needs to be carried out through single operation of a single person, and the device is simple, convenient and reliable.
Preferably, the pressure sensor 101 is disposed at a pressure measurement point inside the product 1 to be measured, and is configured to collect pressure data; the microprocessor 102 is connected to the pressure sensor 101, and is configured to collect and process pressure data detected by the pressure sensor 101. The pressure data detected by the pressure sensor 101 is analog signal data, and the microprocessor 102 converts the analog signal data into digital signal data.
In practical use, the microprocessor 102 is connected to the pressure sensor 101, and converts analog signal data detected by the pressure sensor 101 into digital signal data, so as to facilitate transmission of the pressure data by the data transmission module 20.
Preferably, the data transmission module 20 and the pressure data acquisition module 10 are connected through 4 lines, namely VCC201, GND202, RXD203 and TXD204, wherein the VCC201 and GND202 lines provide power for the microprocessor 102 and the pressure sensor 101. The pressure data acquisition module 10 and the data transmission module 20 adopt UART serial port communication to transmit pressure data signals, the RXD203 is a pressure data signal receiving line, and the TXD204 is a pressure data signal transmitting line.
In actual use, the VCC201 and GND202 lines provide power for the microprocessor 102 and the pressure sensor 101, so as to solve the problem of power supply of the pressure data acquisition module 10 in the product 1 to be measured, the pressure data acquisition module 10 and the data transmission module 20 transmit pressure data signals by adopting UART serial port communication, the RXD203 is a line for receiving the pressure data signals, and the TXD204 is a line for transmitting the pressure data signals, so as to ensure that the pressure data acquired by the pressure data acquisition module 10 is transmitted from the inside of the product 1 to be measured to the outside of the product 1 to be measured.
Preferably, the data conversion module 30 and the data display and storage module 40 transmit pressure signal data in a USB communication manner. The data conversion module 30 includes a USB and TTL mutual conversion module 301, a USB interface i 302 and a TTL interface 303, and the TTL interface 303 is connected to the data transmission module 20. The data display and storage module 40 comprises a display 403, a memory 402 and a USB interface ii 401, wherein the USB interface ii 401 is connected to the USB interface i 302 of the data conversion module, and is configured to transmit the pressure data converted by the data conversion module 30 to the display 403 in real time and store the pressure data in the memory 402.
In practical use, the data conversion module 30 and the data display and storage module 40 transmit pressure signal data in a USB communication mode, and data transmission and display are more convenient and faster.
Preferably, the data transmission module 20 is a ZigBee data transmission module 205, and is connected to the pressure data acquisition module 10 through a wireless transceiver module i 104 and a wireless transceiver module ii 206, and the wireless transceiver module i 104 is located inside the product 1 to be measured and is connected to the microprocessor 102.
In practical use, the pressure data acquisition module 10 adopts the independent rechargeable battery 103 to supply power to the pressure sensor 101 and the microprocessor 102, so that the requirement of the pressure data acquisition module 10 on an external power supply is eliminated, the system works more stably, the data transmission module 20 is the ZigBee data transmission module 205, a wireless data transmission mode is adopted, the complexity of field wiring can be avoided, and the device structure is simpler.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.
Claims (10)
1. The utility model provides a product internal pressure intensity real-time supervision device for low pressure test, includes pressure data acquisition module (10), data transmission module (20), data conversion module (30) and data display and storage module (40), its characterized in that:
the pressure data acquisition module (10) comprises a pressure sensor (101) and a microprocessor (102), and the pressure data acquisition module (10) is arranged in the product (1) to be detected;
the data transmission module (20) is connected with the pressure data acquisition module (10) and is used for transmitting the pressure data processed by the microprocessor (102) to the outside of the product (1) to be detected;
the data conversion module (30) is connected with the data transmission module (20) and is used for converting the pressure data transmitted by the data transmission module (20);
the data display and storage module (40) is connected with the data conversion module (30) and is used for displaying the pressure data converted by the data conversion module (30) in real time and storing the data.
2. The device for monitoring the internal pressure of the product for the low pressure test in real time according to claim 1, wherein: the pressure sensor (101) is arranged at a pressure measuring point in the product (1) to be measured and used for collecting pressure data; the microprocessor (102) is connected with the pressure sensor (101) and is used for collecting and processing pressure data detected by the pressure sensor (101).
3. The device for monitoring the internal pressure of the product for the low pressure test in real time according to claim 2, wherein: the pressure data detected by the pressure sensor (101) are analog signal data, and the microprocessor (102) converts the analog signal data into digital signal data.
4. The device for monitoring the internal pressure of the product for the low pressure test in real time according to claim 1, wherein: the data transmission module (20) and the pressure data acquisition module (10) are connected through 4 lines including VCC (201), GND (202), RXD (203) and TXD (204), wherein the VCC (201) and GND (202) lines provide power for the microprocessor (102) and the pressure sensor (101).
5. The device for monitoring the internal pressure of the product for the low pressure test in real time as claimed in claim 4, wherein: the pressure data acquisition module (10) and the data transmission module (20) adopt UART serial port communication to transmit pressure data signals, the RXD (203) is a line for receiving pressure data signals, and the TXD (204) is a line for sending pressure data signals.
6. The device for monitoring the internal pressure of the product for the low pressure test in real time as claimed in claim 4, wherein: the data conversion module (30) and the data display and storage module (40) adopt a USB communication form to transmit pressure signal data.
7. The device for monitoring the internal pressure of the product for the low pressure test in real time as claimed in claim 4, wherein: the data conversion module (30) comprises a USB and TTL mutual conversion module (301), a USB interface I (302) and a TTL interface (303), and the TTL interface (303) is connected with the data transmission module (20).
8. The device for monitoring the internal pressure of the product for the low pressure test in real time as claimed in claim 4, wherein: the data display and storage module (40) comprises a display (403), a memory (402) and a USB interface II (401), wherein the USB interface II (401) is connected with the USB interface I (302) of the data conversion module, and is used for transmitting the pressure data converted by the data conversion module (30) to the display (403) in real time and storing the pressure data in the memory (402).
9. The device for monitoring the internal pressure of the product for the low pressure test in real time according to claim 1, wherein: the pressure data acquisition module (10) adopts an independent rechargeable battery (103) to supply power to the pressure sensor (101) and the microprocessor (102).
10. The device for monitoring the internal pressure of the product for the low pressure test in real time according to claim 1, wherein: the pressure intensity data acquisition device is characterized in that the data transmission module (20) is a ZigBee data transmission module (205) and is connected with the pressure intensity data acquisition module (10) through a wireless transceiving module I (104) and a wireless transceiving module II (206), and the wireless transceiving module I (104) is positioned inside a product (1) to be detected and is connected with the microprocessor (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022486763.5U CN213748876U (en) | 2020-11-02 | 2020-11-02 | A inside pressure real-time supervision device of product for low pressure test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022486763.5U CN213748876U (en) | 2020-11-02 | 2020-11-02 | A inside pressure real-time supervision device of product for low pressure test |
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| Publication Number | Publication Date |
|---|---|
| CN213748876U true CN213748876U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022486763.5U Active CN213748876U (en) | 2020-11-02 | 2020-11-02 | A inside pressure real-time supervision device of product for low pressure test |
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| Country | Link |
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| CN (1) | CN213748876U (en) |
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