Integrated gas leakage sensor shell with waterproof function

By designing an integrated gas leakage sensor housing with waterproof function, the problem of the refrigerant leakage sensor device being easily damaged by water drops near indoor unit heat exchange is solved, and the effect of improving the waterproof performance and installation convenience of the device is achieved.

CN222954222UActive Publication Date: 2025-06-06JOHNSON CONTROLS-HITACHI AIR CONDITIONING WUHU CO LTD
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Patent Information

Application Number
CN202421755027.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-06-06
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

Existing refrigerant leakage sensor assembly devices are generally placed near indoor unit heat exchange, and there is a risk of water dropping on it and causing damage.

Method used

An integrated gas leakage sensor housing with waterproof function is designed, including a mounting base box and a mounting top box. Both are fixed by hinge and snap-on structures, and a waterproof structure is provided at the hinge, and the main control and sensor circuit board connection ports are provided with a clamp structure to organize the wiring.

Benefits of technology

Through the design of the waterproof structure and cable structure, the waterproof performance and installation convenience of the device are improved, ensuring the normal operation of the device and improving safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sensors, in particular to an integrated gas leakage sensor shell with a waterproof function, which comprises an installation bottom box and an installation top box, two buckle structures are arranged on one side of the installation bottom box, and a waterproof structure is arranged at the hinged position of the installation bottom box and the installation top box. The same side of the installation bottom box and the installation top box is provided with at least two main control circuit board connecting ports, the side, away from the waterproof structure, of the installation top box is provided with a sensor circuit board connecting port, and wire clamping structures are arranged between the two buckle structures and between the two main control circuit board connecting ports. A protruding block is fixedly arranged on one side of the installation bottom box, a screw hole is formed in the protruding block, and a plurality of kidney-shaped through holes are formed in the top of the installation top box. The waterproof device has certain waterproof performance, safety is improved, normal work of the device is guaranteed, wiring arrangement is assisted through a wire clamping structure, and installation convenience and attractiveness of the device are guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to an integrated gas leakage sensor housing with a waterproof function. Background Art

[0002] At present, the advanced models using R32 refrigerant in the air-conditioning market require the indoor unit to have a refrigerant leakage alarm function. The main component to realize this function is the refrigerant leakage sensor assembly device. The device is generally composed of a main control PCBA, a sensor PCBA and multiple sets of connecting cables, and multiple components are placed and installed separately. And the device is generally placed near the indoor unit heat exchanger, so there is a risk of water dripping on it.

[0003] In order to ensure the normal operation of the device and improve the convenience and aesthetics of installation, a sensor installation box is designed which can integrate the components of the device and has a certain waterproof performance and takes into account the wiring arrangement. Utility Model Content

[0004] In view of this, the purpose of the utility model is to propose an integrated gas leakage sensor housing with waterproof function to solve the problem that the existing refrigerant leakage sensor assembly device is generally placed near the indoor unit heat exchanger and there is a risk of damage caused by water dripping on it.

[0005] Based on the above-mentioned purpose, the utility model provides an integrated gas leakage sensor housing with waterproof function, including an installation base box and an installation top box, one side of the installation base box is hingedly arranged with one side of the installation top box, and two snap structures are arranged between the other side of the installation base box and the installation top box, and a waterproof structure is arranged at the hinge between the installation base box and the installation top box, and at least two main control circuit board connection ports are opened on the same side of the installation base box and the installation top box, and a sensor circuit board connection port is opened on the side of the installation top box away from the waterproof structure, and a wire clamping structure is arranged between the two snapping structures and between the two main control circuit board connection ports, and each of the wire clamping structures is fixedly connected to the installation base box, and a protrusion is fixedly provided on the side of the installation base box away from the main control circuit board connection port, and a screw hole is arranged on the protrusion, and a plurality of waist-shaped through holes are opened on the top of the installation top box.

[0006] Preferably, a slope is provided on a side of the mounting top box away from the waterproof structure.

[0007] Preferably, the sides of the top of the mounting top box are connected with mounting slots, and each of the mounting slots is opened on one side close to the inclined surface.

[0008] Preferably, the buckle structure comprises:

[0009] A claw, fixedly mounted on the bottom of the mounting top box;

[0010] The bayonet is arranged on one side of the installation bottom box, and the clamping claw is clamped in the bayonet so that the installation top box and the installation bottom box are fixedly assembled.

[0011] Preferably, the waterproof structure includes a card block and a card slot sleeved on the card block.

[0012] Preferably, the buckle structure comprises:

[0013] Two straight rods, one end of each straight rod is fixedly connected to the mounting bottom box;

[0014] One end of the two clamping claws is respectively fixedly connected to one end of the straight rod away from the mounting bottom box, and the other ends are close to each other and staggered.

[0015] Preferably, at least two limiting plug plates for positioning installation are fixedly provided on the bottom of the protrusion and the bottom of the installation bottom box.

[0016] Beneficial effects of the utility model:

[0017] 1. The new design changes the previous layout of the main control PCBA and the sensor PCBA separately, which improves the assembly and maintenance efficiency of personnel, thereby improving the production efficiency of the air conditioner indoor unit, effectively improving product competitiveness and driving sales and revenue growth;

[0018] 2. The card block and the card slot are combined to make the box body have a certain waterproof performance, improve safety and ensure the normal operation of the device;

[0019] 3. The wire clamping structure helps to arrange the wiring and ensure the convenience and aesthetics of the device installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the bottom of the bottom box installed in the embodiment of the utility model;

[0023] Figure 3 It is a cross-sectional schematic diagram of the hinged joint of the top box and the bottom box installed in the embodiment of the utility model.

[0024] The markings in the figure are:

[0025] 1. Install the bottom box; 2. Install the top box; 3. Main control circuit board connection port; 4. Sensor circuit board connection port; 5. Bump; 6. Screw hole; 7. Waist-shaped through hole; 8. Installation slot; 9. Claw; 10. Bayonet; 11. Card block; 12. Card slot; 13. Straight rod; 14. Clamp; 15. Limit plug plate. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0027] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0028] like Figures 1 to 3 As shown, an integrated gas leakage sensor housing with waterproof function comprises a mounting base box 1 and a mounting top box 2, one side of the mounting base box 1 is hingedly arranged with a side of the mounting top box 2, two buckle structures are arranged between the other side of the mounting base box 1 and the mounting top box 2, a waterproof structure is arranged at the hinge of the mounting base box 1 and the mounting top box 2, at least two main control circuit board connection ports 3 are opened on the same side of the mounting base box 1 and the mounting top box 2, a sensor circuit board connection port 4 is opened on the side of the mounting top box 2 away from the waterproof structure, a wire clamping structure is arranged between the two buckle structures and between the two main control circuit board connection ports 3, each of the wire clamping structures is fixedly connected to the mounting base box 1, a protrusion 5 is fixedly arranged on the side of the mounting base box 1 away from the main control circuit board connection port 3, a screw hole 6 is arranged on the protrusion 5, and a plurality of waist-shaped through holes 7 are opened on the top of the mounting top box 2.

[0029] For example, the main control circuit board is snap-fitted and installed inside the installation base box 1, the two connectors on the main control circuit board are arranged in the two main control circuit board connection ports 3, the sensor circuit board is snap-fitted and installed inside the installation top box 2, and the connectors on the sensor circuit board are arranged in the sensor circuit board connection port 4, and a waterproof structure is arranged at the hinge between the installation top box 2 and the installation base box 1 to improve safety and ensure the normal operation of the device, and a wire clamping structure is arranged on the outside of the installation base box 1 to assist in wiring arrangement to ensure the convenience and aesthetics of the device installation, and by providing a waist-shaped through hole 7, when the installation top box 2 and the installation base box 1 are combined, the photosensitive element can be exposed through the waist-shaped through hole 7, so that its signal will not be blocked by the outer shell, thereby ensuring that the production of the outer shell material, color, etc. can be diversified to meet the needs of more products, and because the photosensitive element is exposed, it is ensured that the packaged sensor will not be unstable in performance due to the influence of water leakage on the photosensitive element due to the outer shell.

[0030] As an optional embodiment, a slope is provided on a side of the mounting top box 2 away from the waterproof structure.

[0031] As an optional embodiment, the sides of the top of the mounting top box 2 are connected with mounting slots 8, and each of the mounting slots 8 is opened on one side close to the inclined surface.

[0032] As an optional embodiment, the buckle structure includes:

[0033] A claw 9 is fixedly mounted on the bottom of the mounting top box 2;

[0034] The bayonet 10 is arranged on one side of the installation base box 1 , and the clamping claw 9 is clamped in the bayonet 10 so that the installation top box 2 and the installation base box 1 are fixedly assembled.

[0035] As an optional embodiment, the waterproof structure includes a card block 11 and a card slot 12 sleeved on the card block 11 .

[0036] For example, a simple labyrinth waterproof structure is formed by the cooperation of the card block 11 and the card slot 12 to prevent water drops from entering from the hinge between the mounting top box 2 and the mounting bottom box 1 .

[0037] As an optional embodiment, the buckle structure includes:

[0038] Two straight rods 13, one end of each of the straight rods 13 is fixedly connected to the mounting base box 1;

[0039] One end of the two clamping jaws 14 is respectively fixedly connected to one end of the straight rod 13 away from the mounting bottom box 1, and the other ends are close to each other and staggered.

[0040] The straight rod 13 and the clamping claw 14 cooperate to clamp the wire harness, thereby ensuring the convenience and aesthetics of the device installation.

[0041] As an optional embodiment, at least two limiting plug plates 15 for positioning installation are fixedly provided at the bottom of the protrusion 5 and the bottom of the installation base box 1.

[0042] Those skilled in the art should understand that the discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of the present invention is limited to these examples; under the concept of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes in different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity. Any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An integrated gas leakage sensor housing with waterproof function, characterized in that: The invention comprises a mounting base box (1) and a mounting top box (2), one side of the mounting base box (1) is hingedly arranged with one side of the mounting top box (2), two buckle structures are arranged between the other side of the mounting base box (1) and the mounting top box (2), a waterproof structure is arranged at the hinged position between the mounting base box (1) and the mounting top box (2), at least two main control circuit board connection ports (3) are provided on the same side of the mounting base box (1) and the mounting top box (2), a sensor circuit board connection port (4) is provided on the side of the mounting top box (2) away from the waterproof structure, a wire clamping structure is arranged between the two buckle structures and between the two main control circuit board connection ports (3), each of the wire clamping structures is fixedly connected with the mounting base box (1), a protrusion (5) is fixedly arranged on the side of the mounting base box (1) away from the main control circuit board connection port (3), a screw hole (6) is provided on the protrusion (5), and a plurality of waist-shaped through holes (7) are provided on the top of the mounting top box (2).

2. The integrated gas leakage sensor housing with waterproof function according to claim 1, characterized in that: A slope is provided on the side of the mounting top box (2) away from the waterproof structure.

3. The integrated gas leakage sensor housing with waterproof function according to claim 2, characterized in that: The sides of the top of the mounting top box (2) are connected to mounting slots (8), and each mounting slot (8) is opened on one side close to the inclined surface.

4. The integrated gas leakage sensor housing with waterproof function according to claim 1, characterized in that: The buckle structure comprises: A claw (9) is fixedly mounted on the bottom of the mounting top box (2); The bayonet (10) is arranged on one side of the mounting bottom box (1), and the clamping claw (9) is clamped in the bayonet (10) so that the mounting top box (2) and the mounting bottom box (1) are fixedly assembled.

5. The integrated gas leakage sensor housing with waterproof function according to claim 1, characterized in that: The waterproof structure comprises a card block (11) and a card slot (12) sleeved on the card block (11).

6. The integrated gas leakage sensor housing with waterproof function according to claim 1, characterized in that: The clamping line structure comprises: Two straight rods (13), one end of each of the straight rods (13) being fixedly connected to the mounting base box (1); Two clamping claws (14) have one end fixedly connected to one end of the straight rod (13) away from the mounting base box (1), and the other ends are close to each other and staggered.

7. The integrated gas leakage sensor housing with waterproof function according to claim 1, characterized in that: The bottom of the protrusion (5) and the bottom of the mounting base box (1) are both fixedly provided with at least two limiting plug plates (15) for positioning and mounting.