CN218035575U - Air tightness tester with built-in high-pressure air pump and built-in low-pressure air pump - Google Patents

Abstract

The utility model discloses an air tightness tester with a built-in high-pressure air pump and a built-in low-pressure air pump, which comprises a shell, the high-pressure air pump, the low-pressure air pump and an air control valve island for testing the air tightness of high pressure and low pressure; the high-pressure air pump is connected with the pneumatic control valve island, and the low-pressure air pump is connected with the pneumatic control valve island; the high-pressure air pump, the low-pressure air pump and the pneumatic control valve island are arranged in the shell. The utility model adopts the structure, an external air source is not required to be connected during use, the use scene is not limited, and the use is convenient; the high-pressure air pump, the low-pressure air pump, the automatic pressure regulating valve and the pneumatic control valve island are matched, so that the universal high-pressure and low-pressure testing function is realized on one air tightness tester, and the air tightness tester has multiple functions.

Description

Air tightness tester with built-in high-pressure air pump and built-in low-pressure air pump

Technical Field

The utility model relates to an air tightness tester technical field, concretely relates to air tightness tester of built-in high compression pump and low pressure air pump.

Background

In the prior art, electronic products are generally subjected to waterproof treatment during design, and electronic products with higher waterproof performance requirements are subjected to waterproof tests. The commonly used waterproofness test at present adopts air pressure to replace water pressure for tightness test. The existing air tightness tester is not provided with an internal air pump, an external air source needs to be connected, the use scene is limited, the use is inconvenient, and the function is single.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an air tightness tester with a built-in high-pressure air pump and a built-in low-pressure air pump, which solves the problem of inconvenient use caused by the absence of a built-in air pump in the existing air tightness tester; further solving the problem of single function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an air tightness tester with a built-in high-pressure air pump and a built-in low-pressure air pump comprises a shell, the high-pressure air pump, the low-pressure air pump and an air control valve island for testing the air tightness of the high pressure and the low pressure; the high-pressure air pump is connected with the pneumatic control valve island, and the low-pressure air pump is connected with the pneumatic control valve island; the high-pressure air pump, the low-pressure air pump and the pneumatic control valve island are arranged in the shell.

Further, the automatic pressure regulating valve is further included; the high-pressure air pump is connected with the pneumatic control valve island through an automatic pressure regulating valve, and the automatic pressure regulating valve is arranged in the shell.

Further, the air pipe heat dissipation device also comprises an air pipe storage disc for storing the first air pipe and a heat dissipation fan for dissipating heat; the high-pressure air pump is connected with the automatic pressure regulating valve through a first air pipe; the first air pipe, the air pipe containing disc and the heat dissipation fan are arranged in the shell; the air pipe storage disc and the heat dissipation fan are located at the positions matched with each other.

Further, the interior of the shell is divided into a lower mounting chamber and an upper mounting chamber, and the lower mounting chamber is communicated with the upper mounting chamber; the high-pressure air pump, the low-pressure air pump, the air pipe containing disc and the cooling fan are arranged in the lower mounting chamber; the pneumatic control valve island and the automatic pressure regulating valve are arranged in the upper mounting chamber.

The high-pressure air pump, the low-pressure air pump, the cooling fan and the automatic pressure regulating valve are respectively connected with the control device, and the control device is arranged in the upper mounting chamber.

Further, the low-pressure air pump is a mute low-pressure air pump.

Further, the shell comprises a front plate, a back plate, side plates, a top plate and a bottom plate; the bottom plate is provided with a caster; the front plate is provided with a control panel and a test port which are connected with the control device; the test port is connected with the pneumatic control valve island; the radiating fan is arranged on the inner wall of the side plate, and the side plate is provided with radiating holes matched with the radiating fan.

Further, the front plate is provided with a start key, a stop key, a 232 interface, a network cable interface and a USB interface; the start key, the stop key, the 232 interface, the network cable interface and the USB interface are respectively connected with the control device.

Further, the back plate is provided with an air switch, a power input socket and an automatic drainage filter; the air switch, the power input socket and the automatic drainage filter are respectively connected with the control device.

Further, the roof is equipped with green pilot lamp, red pilot lamp and handle, and green pilot lamp and red pilot lamp and automatic drainage filter are connected respectively controlling means.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adopts the structure of the built-in high-pressure air pump and low-pressure air pump, an external air source is not needed to be connected when in use, the use scene is not limited, and the use is convenient; the high-pressure and low-pressure air pump, the automatic pressure regulating valve and the pneumatic control valve island are matched, so that the universal high-pressure and low-pressure test function is realized on one air tightness tester, and the air tightness tester has multiple functions; the structure that built-in electronic components such as high-pressure air pump, low pressure air pump, automatic air-vent valve, gas accuse valve terminal, radiator fan, controlling means set up in the casing is adopted, and the structure integration degree is high, and the gas accuse valve terminal that adopts the modularized design is installed and is used more conveniently. The utility model discloses a first trachea spiral winding is on trachea storage disc, trachea storage disc and radiator fan complex position, and the natural heat dissipation is realized through the first trachea that spirals to the heat of the gaseous emergence of high compression pump output to get rid of the structure of the outer radiator fan of casing effectively through radiator fan, the radiating effect is good, and can in time distribute away the heat of casing inside, the radiating effect is showing, guarantees the steady operation of the inside electrical component of casing.

The utility model discloses can carry out high pressure and low pressure test under the no air supply condition, built-in high compression pump reaches external air supply effect. Convenience is provided to the maximum extent, and the method is not limited by use scenes. The inside is still designed with automatic drainage system (being equipped with automatic drainage filter), testable water pipe, liquid cooling pipe etc. and tests the article. The built-in air source is adopted, the noise is controlled within 60db, and the service life exceeds 2 years.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive effort.

Fig. 1 is a schematic front perspective view of an air tightness tester with a high pressure air pump and a low pressure air pump built therein according to the present invention;

FIG. 2 is a rear perspective view of FIG. 1;

FIG. 3 is the schematic view of FIG. 2 with the back plate, air switch and power input socket removed;

FIG. 4 is the internal schematic view of FIG. 1, with the housing, control panel, start key, stop key, 232 interface, cable interface, USB interface, test port, air switch, power input socket omitted;

FIG. 5 is a schematic front view of the air duct receiving tray and the heat dissipating fan of FIG. 3;

FIG. 6 is a schematic perspective view of the air control valve island of FIG. 3;

in the figure, 1, a housing; 11. a lower mounting chamber; 12. an upper mounting chamber; 13. a drawer; 14. a front plate; 15. a back plate; 16. a side plate; 17. a top plate; 18. a base plate; 2. a high pressure air pump; 3. a low pressure air pump; 4. an air pipe storage plate; 41. a cylinder; 42. a chuck; 5. a heat radiation fan; 6. a pneumatic control valve island; 61. a valve seat; 62. a valve terminal air inlet connector; 63. a valve island test port connector; 64. an intake valve; 65. an exhaust valve; 66. a normally open valve; 67. a low pressure valve; 68. a high pressure sensor; 69. a low pressure sensor; 7. an automatic pressure regulating valve; 8. a control device; 9. a caster wheel; 10. a control panel; 101. a start key; 102. a stop key; 103. 232 interface; 104. a network cable interface; 105. a USB interface; 106. a test port; 107. an air switch; 108. a power input socket; 109. an automatic drainage filter; 110. a green indicator light; 111. a red indicator light; 112. a handle; 113. an automatic pressure regulating valve controller.

Detailed Description

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and therefore should not be construed as limiting the present invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The air tightness tester shown in the embodiment of fig. 1 to 6 specifically refers to an air tightness tester with a built-in high pressure air pump and a built-in low pressure air pump, and comprises a casing 1, a high pressure air pump 2 for outputting 0.7MPA air pressure, a low pressure air pump 3 for outputting 20KPA air pressure, an air pipe storage tray 4 for storing a first air pipe (not shown), a heat dissipation fan 5 for dissipating heat, an air control valve island 6 for high and low pressure air tightness test, an automatic pressure regulating valve 7 for regulating air pressure to ensure stable pressure output, and a control device 8. The high-pressure air pump 2, the low-pressure air pump 3, the cooling fan 5 and the automatic pressure regulating valve 7 are respectively connected with a control device 8. The pneumatic control valve island 6 has been protected by another patent (CN 217155757U, pneumatic control valve island for high and low pressure air tightness test). The low pressure air pump 3 is a silent low pressure air pump. In the embodiment, the structure of the built-in high-pressure air pump 2 and the built-in low-pressure air pump 3 is adopted, so that an external air source is not required to be connected during use, the use scene is not limited, and the use is convenient; the high-pressure and low-pressure test universal function is realized on one air tightness tester by adopting a structure that a high-pressure air pump 2, a low-pressure air pump 3, an automatic pressure regulating valve 7 and an air control valve island 6 are matched, and the functions are various; the structure that high-pressure air pump 2, low-pressure air pump 3, automatic air-vent valve 7, gas accuse valve island 6, radiator fan 5, controlling means 8 etc. are set up to the adoption in casing 1 embeds electronic components, and the structure integration level is high, and it is more convenient to adopt the gas accuse valve island 6 of modularized design to install and use.

The interior of the housing 1 is partitioned by a drawer 13 into a lower mounting chamber 11 and an upper mounting chamber 12. The upper mounting chamber 12 is arranged above the drawer 13, the lower mounting chamber 11 is arranged below the drawer 13, and the lower mounting chamber 11 is communicated with the upper mounting chamber 12. The high-pressure air pump 2, the low-pressure air pump 3, the air pipe storage disc 4 and the cooling fan 5 are arranged in the lower mounting chamber 11, and the pneumatic control valve island 6, the automatic pressure regulating valve 7 and the control device 8 are arranged in the upper mounting chamber 12.

The housing 1 includes a front plate 14, a back plate 15, side plates 16, a top plate 17, and a bottom plate 18. The front plate 14 and the back plate 15 are oppositely arranged, the side edge of the front plate is connected with the side edge of the back plate through a side plate, the top edge of the front plate, the top of the side plate and the top edge of the back plate are connected through a top plate, the bottom edge of the front plate, the bottom edge of the side plate and the bottom edge of the back plate are connected through a bottom plate, and the bottom plate 18 is provided with a caster wheel 9. The front board 14 is provided with a control panel 10, a start key 101, a stop key 102, a 232 interface 103, a network cable interface 104, a USB interface 105, and a test port 106. The control panel 10, the start key 101, the stop key 102, the 232 interface 103, the network cable interface 104, the USB interface 105, and the test port 106 are connected to the control device 8. The back plate 15 is provided with an air switch 107, a power input socket 108 of 220V and an automatic drain filter 109. The air switch 107, the power input socket 108 and the automatic drain filter 109 are connected to the control device 8, respectively. The top plate 17 is provided with a green indicator light 110, a red indicator light 111 and a handle 112, and the green indicator light 110, the red indicator light 111 and the automatic drainage filter 109 are respectively connected with a control device. And the automatic drainage filter 109 is connected with the pneumatic control valve island 6. The control panel 10 is disposed on the front plate 14 in an inclined upward direction, so that a worker can manipulate the panel. The control panel adopts the touch screen design, and is easy to control, and the human-computer interaction sensitivity is better. The heat dissipation fan 5 is arranged on the inner wall of the side plate 16, and the side plate 16 is provided with heat dissipation holes matched with the heat dissipation fan 5. As a further explanation of the embodiment, the caster 9 is a caster with a foot brake. The service brake is arranged on the universal wheel. When the foot brake is pulled downwards, the universal wheel can be limited to rotate, and when the foot brake is pulled upwards, the foot brake can leave the universal wheel, so that the universal wheel can rotate. The 232 interface 103, namely the RS-232 interface, is an interface conforming to the interface standard of serial data communication established by the american Electronic Industry Association (EIA), and the original serial numbers are all referred to as EIA-RS-232232.

The power input socket 108, the high-pressure air pump 2, the low-pressure air pump 3 and the cooling fan 5 are respectively connected with the air switch 107, so that the electric elements are protected. The power input socket inputs 220V commercial power, can be applied to various scenes, and is not limited by voltage. Heat generated from the electronic components in the housing is discharged to the outside of the housing 1 by the heat radiation fan 5.

The high-pressure air pump 2 is connected with an automatic pressure regulating valve 7 through a first air pipe, the automatic pressure regulating valve 7 is connected with a pneumatic control valve island 6 and outputs air pressure for the pneumatic control valve island 6, and the control device 8 is connected with the automatic pressure regulating valve 7 through an automatic pressure regulating valve controller 113. The low-pressure air pump 3 is connected with the air control valve island 6 through a second air pipe (not shown). First trachea dish spiral winding is located down on the trachea storage disc 4 of installation room 11, and trachea storage disc 4 and a radiator fan 5 are located the position of mutually supporting, and the heat of the gaseous emergence of high compression pump 2 output realizes naturally dispelling the heat through the first trachea of spiraling to get rid of outside casing 1 effectively through radiator fan 5. As a further explanation of the present embodiment, the air pipe storage plate 4 includes a hollow cylinder 41, a first end of the cylinder 41 is connected to the inner wall of the side plate 16, a second end of the cylinder 41 is provided with a chuck 42, the first air pipe is spirally wound around the outer edge of the cylinder 41, and 1 heat dissipation fan 5 is disposed in the cylinder 41 and coaxially engaged with the cylinder 41.

As a further explanation of the present embodiment, the pneumatic control valve island 6 includes a valve seat 61, a valve island intake connector 62, a valve island test port connector 63, an intake valve 64, an exhaust valve 65, a normally open valve 66, a low pressure valve 67, a high pressure sensor 68, and a low pressure sensor 69; the valve island inlet connector 62 and the valve island test port connector 63 are respectively connected with an air passage assembly inside the valve seat 61. The valve island air inlet joint 62 is connected with the automatic pressure regulating valve 7 and the low-pressure air pump 3 through a three-way pipe. The valve island test port connector 63 is connected to a test port 106 provided in the front plate 14. The high pressure sensor 68 is connected to the high pressure sensor mounting slot of the air circuit assembly and the low pressure sensor 69 is connected to the low pressure sensor mounting slot of the air circuit assembly. The high pressure sensor 68 and the low pressure sensor 69 are respectively connected with the control device 8 and transmit the detected air pressure data to the control device 8, and the control device 8 processes the received data and displays the processed data on the control panel 10. The modularized pneumatic control valve island 6 is adopted in the embodiment, the structural integration level is high, the installation and the use are more convenient by adopting a modularized design, the high air pressure and the low air pressure can be tested, and the functions are various; and has the advantages of high efficiency, energy conservation, high integration, environmental protection, emission reduction, small volume, convenient installation and use, economy, practicality, obvious effect, simple maintenance and the like.

As right the utility model discloses a another kind of embodiment, controlling means 8 includes STM32F103C8T6 chip, and STM32F103C8T6 is a section 32 microcontroller based on ARM Cortex-M kernel STM32 series, and this chip powerful, the peripheral hardware interface is very abundant. The control device adopts an STM32F103C8T6 chip as the core of the control circuit. The control device also comprises a watchdog chip connected with the STM32F103C8T6 chip. The STM32F103C8T6 chip can be subjected to external interference such as an electromagnetic field in the working process, and the program can run off and fall into a dead cycle. The watchdog chip is used for monitoring the running state of the singlechip in real time, so that the singlechip can continuously work in an unmanned state. The working process of the watchdog chip is as follows: the STM32F103C8T6 chip sends signals to the watchdog chip in a timing mode through an I/O pin; if the single-chip program runs off unexpectedly, signals cannot be sent to the watchdog chip regularly, and at the moment, the watchdog chip sends a reset signal to reset the STM32F103C8T6 chip, so that the program is executed from the beginning. Thus, the automatic reset of the MCU module is realized. The control device also comprises a data acquisition module, an edge calculation module connected with the data acquisition module and a transceiver module used for being electrically connected with the control panel. The data acquisition module is used for acquiring monitoring data of the high-voltage sensor and the low-voltage sensor in real time and transmitting the acquired monitoring data to the edge calculation module; the edge calculation module is used for analyzing and processing the received monitoring data, transmitting an abnormal analysis result to the control panel through the transceiving module, and flashing the green indicator light; when the edge calculation module finds abnormal data, the red indicator light flickers.

This embodiment can carry out high pressure and low pressure test under the no air supply condition, and built-in high pressure gas pump 2 reaches external air supply effect. Convenience is provided to the maximum extent, and the method is not limited by use scenes. The inside is still designed with automatic drainage system (being equipped with automatic drainage filter 109), testable water pipe, liquid cooling pipe etc. and tests the article. The air tightness tester in the prior art is required to be connected with an external air source, the internal air source is adopted in the embodiment, the noise is controlled within 60db, and the service life exceeds 2 years.

Other structures of this embodiment are seen in the prior art.

As a further explanation of the present invention, the technical features in the embodiments and the embodiments of the present invention can be combined with each other without conflict. The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are also intended to be included within the scope of the claims and the equivalent technical scope of the present invention if they do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an air tightness tester of built-in high pressure air pump and low pressure air pump which characterized in that: the device comprises a shell (1), a high-pressure air pump (2), a low-pressure air pump (3) and a pneumatic control valve island (6) for testing high-pressure and low-pressure air tightness; the high-pressure air pump is connected with the pneumatic control valve island, and the low-pressure air pump is connected with the pneumatic control valve island; the high-pressure air pump, the low-pressure air pump and the pneumatic control valve island are arranged in the shell.

2. The airtightness tester with built-in high-pressure air pump and low-pressure air pump according to claim 1, wherein: the automatic pressure regulating valve (7) is also included; the high-pressure air pump (2) is connected with the pneumatic control valve island (6) through an automatic pressure regulating valve, and the automatic pressure regulating valve is arranged in the shell (1).

3. The airtightness tester with built-in high-pressure air pump and low-pressure air pump according to claim 2, wherein: the air pipe heat dissipation device also comprises an air pipe storage disc (4) used for storing the first air pipe and a heat dissipation fan (5) used for dissipating heat; the high-pressure air pump (2) is connected with the automatic pressure regulating valve (7) through a first air pipe; the first air pipe, the air pipe containing disc and the cooling fan are arranged in the shell (1); the air pipe storage disc and the heat dissipation fan are located at the positions matched with each other.

4. The airtightness tester with built-in high-pressure air pump and low-pressure air pump according to claim 3, wherein: the interior of the shell (1) is divided into a lower mounting chamber (11) and an upper mounting chamber (12), and the lower mounting chamber is communicated with the upper mounting chamber; the high-pressure air pump (2), the low-pressure air pump (3), the air pipe containing disc (4) and the heat dissipation fan (5) are arranged in the lower mounting chamber; the pneumatic control valve island (6) and the automatic pressure regulating valve (7) are arranged in the upper mounting chamber.

5. The airtightness tester with a high-pressure air pump and a low-pressure air pump built therein according to claim 4, wherein: the high-pressure air pump (2), the low-pressure air pump (3), the cooling fan (5) and the automatic pressure regulating valve (7) are respectively connected with the control device, and the control device is arranged in the upper mounting chamber (12).

6. The airtightness tester with built-in high pressure air pump and low pressure air pump according to any one of claims 1 to 5, wherein: the low-pressure air pump (3) is a silent low-pressure air pump.

7. The airtightness tester with built-in high-pressure air pump and low-pressure air pump according to claim 5, wherein: the shell (1) comprises a front plate (14), a back plate (15), side plates (16), a top plate (17) and a bottom plate (18); the bottom plate is provided with a caster (9); the front plate is provided with a control panel (10) and a test port (106) which are connected with the control device; the test port is connected with the pneumatic control valve island (6); the heat dissipation fan (5) is arranged on the inner wall of the side plate, and the side plate is provided with heat dissipation holes matched with the heat dissipation fan.

8. The airtightness tester with built-in high-pressure air pump and low-pressure air pump according to claim 7, wherein: the front plate is provided with a start key (101), a stop key (102), a 232 interface (103), a network cable interface (104) and a USB interface (105); the start key, the stop key, the 232 interface, the network cable interface and the USB interface are respectively connected with the control device (8).

9. The airtightness tester with built-in high-pressure air pump and low-pressure air pump according to claim 7, wherein: the back plate (15) is provided with an air switch (107), a power input socket (108) and an automatic drainage filter (109); the air switch, the power input socket and the automatic drainage filter are respectively connected with the control device (8).

10. The airtightness tester with built-in high-pressure air pump and low-pressure air pump according to claim 7, wherein: the roof (17) is provided with a green indicator light (110), a red indicator light (111) and a handle (112), and the green indicator light, the red indicator light and the automatic drainage filter are respectively connected with the control device (8).

Images