CN218035559U - Air tightness tester - Google Patents

Abstract

The utility model discloses an air tightness tester, which comprises a shell, a back plate and a control panel for man-machine interaction, wherein the control panel is obliquely and upwards arranged on the front surface of the shell; the shell comprises 2 side plates, a top plate, a bottom plate, a panel mounting groove for connecting a control panel, a first right-angle edge, an inclined connecting plate and a second right-angle edge for connecting the inclined connecting plate, wherein the 2 side plates, the top plate and the bottom plate are arranged oppositely; the bottom plate is of a quadrilateral structure, the 2 side plates and the back plate are arranged around the 3 edges of the bottom plate, and the top edges of the 2 side plates are connected with the top edge of the back plate through the top plate; the panel mounting groove is of a quadrangular frame structure; the panel mounting groove is obliquely arranged relative to the bottom plate; the bottom edge of the panel mounting groove is connected with the bottom plate through a first right-angle edge, and the top edge of the panel mounting groove is connected with the top plate through an inclined connecting plate and a second right-angle edge. The utility model adopts the above structure, the user reads data and need not to bow or squat, and convenient to use realizes the embedded design of panel mounting groove and control panel simultaneously, can effectual protection control panel.

Description

Air tightness tester

Technical Field

The utility model relates to an air tightness testing arrangement technical field, concretely relates to air tightness tester.

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. As shown in fig. 1, the conventional external air-tightness tester 100 includes a case 1001 and a control panel 1002 provided on the case 1001. The control panel 1002 is small relative to the housing and is disposed vertically. When the external air tightness tester 100 is placed on a desktop, the external air tightness tester is not convenient to operate and control, and a user can read data only by squatting down to enable the user to be flush with the control panel 1002.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to disclose a gas tightness tester, solved current gas tightness tester control panel and controlled inconvenient problem.

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

an air tightness tester comprises a shell, a back plate and a control panel for man-machine interaction, wherein the control panel is obliquely and upwards arranged on the front surface of the shell; the shell comprises 2 side plates, a top plate, a bottom plate, a panel mounting groove, a first right-angle edge, an inclined connecting plate and a second right-angle edge, wherein the 2 side plates, the top plate and the bottom plate are oppositely arranged, the panel mounting groove is used for connecting the control panel, and the second right-angle edge is connected with the inclined connecting plate; the bottom plate is of a quadrilateral structure, the 2 side plates and the back plate are arranged around the 3 edges of the bottom plate, and the top edges of the 2 side plates are connected with the top edge of the back plate through the top plate; the panel mounting groove is of a quadrangular frame structure; the panel mounting groove is obliquely arranged relative to the bottom plate; the bottom edge of the panel mounting groove is connected with the bottom plate through a first right-angle edge, and the top edge of the panel mounting groove is connected with the top plate through an inclined connecting plate and a second right-angle edge.

Furthermore, an included angle M is formed between the panel mounting groove and the bottom plate, and M is 70-85 degrees; an included angle P is formed between the inclined connecting plate and the top plate, and the P is 15-30 degrees.

Further, the length L1 of the shell is 250-350 mm, the height H1 of the shell is 200-260 mm, and the width S1 of the shell is 250-310 mm; the length L2 of the panel mounting groove is 210-310 mm; the height H2 of the panel mounting groove is 150-210 mm.

Further, the housing includes a back plate mounting groove for connecting the back plate; the back plate mounting groove is arranged at a position opposite to the panel mounting groove; the groove depth S2 of the back plate mounting groove is 1-3 mm.

Further, the shell is of a bent and formed integral structure.

The shell, the back plate and the control panel form an installation chamber, and the pneumatic control valve island, the automatic pressure regulating valve and the control device are arranged in the installation chamber; the control panel, the pneumatic control valve island and the automatic pressure regulating valve are respectively connected with the control device.

Furthermore, the top plate is provided with a start key, a stop key and a handle, and the start key and the stop key are respectively connected with the control device.

Furthermore, the backboard is provided with a 232 interface, a USB interface, a network cable interface, an external equipment interface and a test port, and the 232 interface, the USB interface, the network cable interface, the external equipment interface and the test port are respectively connected with the control device; and a valve island testing port joint of the pneumatic control valve island is connected with a testing port.

Further, the back plate is provided with a digital display pressure gauge for reading air source pressure, a DC power input interface, a WIFI antenna and an external air source input interface; the digital display pressure gauge, the DC power input interface, the WIFI antenna and the automatic drainage filter are respectively connected with the control device; the external air source input interface is connected with the automatic pressure regulating valve, and the automatic pressure regulating valve is connected with the valve island air inlet connector of the pneumatic control valve island.

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

1. the utility model discloses a slope upwards sets up the structure of panel mounting groove connection control panel, and the user reads data and need not to bow or squat, and convenient to use is convenient for control. The utility model discloses in, form 70 ~ 85 contained angle M between panel mounting groove and the bottom plate, form the structure of 15 ~ 30 contained angle P between slope connecting plate and the roof, realize the embedded design of panel mounting groove and control panel, can effectual protection control panel, prevent damage, fish tail. The inside is still designed with automatic drainage system (be equipped with automatic drainage filter 112 promptly), testable water pipe, liquid cold tube etc. testers.

The utility model adopts the modularized pneumatic control valve island, the structure integration level is high, the installation and the use are more convenient by adopting the 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.

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 view of an external air tightness tester in the prior art;

FIG. 2 is a schematic perspective view of an embodiment of an air-tightness tester according to the present invention;

FIG. 3 is a schematic front view of FIG. 2;

FIG. 4 is a schematic rear view of FIG. 3;

FIG. 5 is a perspective view of the housing of FIG. 2;

FIG. 6 is a schematic front view of FIG. 5;

FIG. 7 is a schematic right side view of FIG. 5;

FIG. 8 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 6;

FIG. 9 is a schematic view of the internal structure of the embodiment of FIG. 2, with side panels, top panel and control panel omitted;

FIG. 10 is a schematic perspective view of the air control valve island of FIG. 9;

in fig. 1, 100, an external air tightness tester; 1001. a housing; 1002. a control panel;

in fig. 2 to 10, 1, a housing; 11. a side plate; 12. a top plate; 13. a base plate; 14. a panel mounting groove; 15. A first right-angle side; 16. an inclined connecting plate; 17. a second right-angle side; 18. a back plate mounting groove; 19. a heat dissipating through hole; 2. a back plate; 3. a control panel; 4. a pneumatic control valve island; 41. a valve seat; 42. a valve terminal air inlet connector; 43. a valve island test port connector; 44. a first air valve; 45. a second air valve; 46. a third air valve; 47. a fourth air valve; 48. an air pressure sensor; 5. an automatic pressure regulating valve; 6. a control device; 7. an installation chamber; 8. a start key; 9. a stop key; 10. a handle; 101. a foot pad; 102. a digital display pressure gauge; 103. 232 interface; 104. a USB interface; 105. a network cable interface; 106. an external device interface; 107. a test port; 108. A power switch; 109. a DC power input interface; 110. a WIFI antenna; 111. an external gas source input interface; 112. an automatic drainage filter.

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 implicitly indicating 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.

As shown in fig. 2 to 10, the air tightness tester includes a casing 1, a back plate 2, a control panel 3 for human-computer interaction, a pneumatic control valve island 4, an automatic pressure regulating valve 5, and a control device 6, wherein the control panel 3, the pneumatic control valve island 4, and the automatic pressure regulating valve 5 are electrically connected to the control device 6, respectively. The control panel 3 is arranged on the front surface of the shell 1 in an inclined upward manner, and the back plate 2 is arranged on the back surface of the shell 1. The shell 1, the back plate 2 and the control panel 3 form an installation chamber 7, and the pneumatic control valve island 4, the automatic pressure regulating valve 5 and the control device 6 are arranged in the installation chamber 7. The control panel 3 is designed by adopting a touch screen, so that the control is easy to operate and control, and the human-computer interaction sensitivity is better.

The shell 1 comprises 2 oppositely arranged side plates 11, a top plate 12, a bottom plate 13, a panel mounting groove 14 for connecting a control panel, a first right-angle edge 15, an inclined connecting plate 16, a second right-angle edge 17 for connecting the inclined connecting plate 16 and a backboard mounting groove 18 for connecting the backboard 2. The bottom plate 13 is a quadrilateral structure, 2 side plates 11 and the back plate 2 are arranged around 3 sides of the bottom plate 13, and the top edges of the 2 side plates 11 and the top edge of the back plate 2 are connected through the top plate 12. The control device 6 is a circuit board assembly, and the control device 6 is arranged on the inner wall of one side plate 11. The panel installation groove 14 is a quadrangular frame-shaped structure. The panel mounting groove 14 is disposed obliquely with respect to the bottom plate 13, and an included angle M is formed between the panel mounting groove 14 and the bottom plate 13, where M is 70 ° to 85 °, and preferably 80 °. The bottom edge of panel-mounting channel 14 is connected to bottom plate 13 by first right-angle edge 15, and the top edge of panel-mounting channel 14 is connected to top plate 12 by inclined connecting plate 16 and second right-angle edge 17. The inclined web 16 forms an angle P with the top panel 12 which is 15 to 30, preferably 20. A back plate mounting groove 18 is provided at a position opposite to the face plate mounting groove 14, and 2 side plates, a bottom plate, and a top plate are provided around the periphery of the back plate mounting groove 18. The groove depth S2 of the back plate mounting groove 18 is 1 to 3mm, preferably 2mm. The length L1 of the housing is 250 to 350mm, the height H1 of the housing is 200 to 260mm, and the width S1 of the housing is 250 to 310mm. The length L2 of the panel mounting groove 14 is 210-310 mm; the height H2 of the panel installation groove 14 is 150 to 210mm. The 2 side plates (11) and the top plate (12) are of a bent and formed integral structure.

The top plate 12 is provided with a start key 8, a stop key 9 and a handle 10, and the start key 8 and the stop key 9 are respectively electrically connected with the control device 6. The side plate 11 is provided with a heat dissipation through-hole 19 for dissipating heat. The bottom plate 13 is provided with 4 foot pads 101 to prevent the air tightness tester from colliding. The back plate 2 is provided with a digital display pressure gauge 102, a 232 interface 103, a USB interface 104, a network cable interface 105, an external device interface 106, a test port 107, a power switch 108, a DC power input interface 109, a WIFI antenna 110, an external air source input interface 111 and an automatic drainage filter 112 for reading air source pressure. The digital display pressure gauge 102, the 232 interface 103, the USB interface 104, the network cable interface 105, the external equipment interface 106, the DC power input interface 109, the WIFI antenna 110 and the automatic drainage filter 112 are respectively connected with the control device 6. The external air source input interface 111 is connected with the automatic pressure regulating valve 5 through an air pipe, and the automatic pressure regulating valve 5 is connected with the pneumatic control valve island 4 through an air pipe. The automatic pressure regulating valve 5 adopts a pressure regulating valve in the prior art, for example, a Chinese patent CN217130482U, and adopts a technical scheme disclosed by an automatic pressure regulating structure. 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.

As a further explanation of the present embodiment, the pneumatic control valve island 4 includes a valve seat 41, a valve island air inlet joint 42, a valve island test port joint 43, a first air valve 44, a second air valve 45, a third air valve 46, a fourth air valve 47, and a pressure sensor 48; the valve terminal inlet connector 42 and the valve terminal test port connector 43 are respectively connected with the air passage assembly inside the valve seat 41. The first air valve 44, the second air valve 45, the third air valve 46, the fourth air valve 47 and the air pressure sensor 48 are respectively connected with a control device. The first air valve 44, the second air valve 45, the third air valve 46 and the fourth air valve 47 are respectively connected with the air path assembly to realize the on-off of the air path in the air path assembly. The valve terminal air inlet joint 42 is connected with the automatic pressure regulating valve 5 through an air pipe. The valve island test port connector 43 is connected to a test port 107 provided in the back plate. The air pressure sensor 49 is connected with the air channel assembly and transmits the detected air pressure data to the control device 6, and the control device 6 processes the received data and displays the processed data on the control panel 3. The modularized pneumatic control valve island 4 is adopted in the embodiment, the structural integration level is high, the installation and the use are more convenient by adopting the 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.

This embodiment adopts the structure that the panel mounting groove that the slope upwards set up connects control panel, and the user reads data and need not to bow or squat, and convenient to use is convenient for control. In this embodiment, form 70 ~ 85 contained angle M between panel mounting groove and the bottom plate, form 15 ~ 30 contained angle P's structure between slope connecting plate and the roof, realize the embedded design of panel mounting groove and control panel, can effectual protection control panel, prevent damage, fish tail. The inside is still designed with automatic drainage system (be equipped with automatic drainage filter 112 promptly), testable water pipe, liquid cold tube etc. testers.

As right the utility model discloses a another kind of embodiment, controlling means 6 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 a core of the control circuit. The control device 6 also comprises a watchdog chip connected to 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.

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 (9)

1. The utility model provides an air tightness tester which characterized in that: the device comprises a shell (1), a back plate (2) and a control panel (3) for man-machine interaction, wherein the control panel is obliquely and upwards arranged on the front surface of the shell; the shell comprises 2 side plates (11), a top plate (12), a bottom plate (13), a panel mounting groove (14) for connecting a control panel, a first right-angle edge (15), an inclined connecting plate (16) and a second right-angle edge (17) for connecting the inclined connecting plate, wherein the side plates (11), the top plate (12) and the bottom plate (13) are oppositely arranged; the bottom plate is of a quadrilateral structure, the 2 side plates and the back plate are arranged around the 3 edges of the bottom plate, and the top edges of the 2 side plates are connected with the top edge of the back plate through the top plate; the panel mounting groove is of a quadrangular frame structure; the panel mounting groove is obliquely arranged relative to the bottom plate; the bottom edge of the panel mounting groove is connected with the bottom plate through a first right-angle edge, and the top edge of the panel mounting groove is connected with the top plate through an inclined connecting plate and a second right-angle edge.

2. The airtightness tester according to claim 1, wherein: an included angle M is formed between the panel mounting groove (14) and the bottom plate (13), and M is 70-85 degrees; an included angle P is formed between the inclined connecting plate (16) and the top plate (12), and the P is 15-30 degrees.

3. The airtightness tester according to claim 1 or 2, wherein: the length L1 of the shell (1) is 250-350 mm, the height H1 of the shell is 200-260 mm, and the width S1 of the shell is 250-310 mm; the length L2 of the panel mounting groove (14) is 210-310 mm; the height H2 of the panel mounting groove is 150-210 mm.

4. The airtightness tester according to claim 1 or 2, wherein: the shell (1) comprises a back plate mounting groove (18) used for connecting the back plate (2); the back plate mounting groove is arranged at a position opposite to the panel mounting groove (14); the groove depth S2 of the back plate mounting groove is 1-3 mm.

5. The airtightness tester according to claim 1 or 2, wherein: the 2 side plates (11) and the top plate (12) are of a bent and formed integral structure.

6. The airtightness tester according to claim 1 or 2, wherein: the air control valve island, the automatic pressure regulating valve (5) and the control device (6) are arranged in the installation chamber (7) which is formed by the shell (1), the back plate (2) and the control panel (3); the control panel, the pneumatic control valve island and the automatic pressure regulating valve are respectively connected with the control device.

7. The airtightness tester according to claim 6, wherein: the top plate (12) is provided with a start key (8), a stop key (9) and a handle (10), and the start key and the stop key are respectively connected with the control device (6).

8. The airtightness tester according to claim 6, wherein: the back plate (2) is provided with a 232 interface (103), a USB interface (104), a network cable interface (105), an external equipment interface (106) and a test port (107), and the 232 interface, the USB interface, the network cable interface, the external equipment interface and the test port are respectively connected with the control device (6); and a valve island testing port connector (43) of the pneumatic control valve island (4) is connected with a testing port.

9. The airtightness tester according to claim 8, wherein: the back plate (2) is provided with a digital display pressure gauge (102) for reading air source pressure, a DC power input interface (109), a WIFI antenna (110) and an external air source input interface (111); the digital display pressure gauge, the DC power input interface, the WIFI antenna and the automatic drainage filter are respectively connected with the control device (6); the external air source input interface is connected with the automatic pressure regulating valve (5), and the automatic pressure regulating valve is connected with a valve island air inlet connector (42) of the pneumatic control valve island (4).

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