Waterproof shell of heat-sensitive sensor and heat-sensitive sensor device

Abstract

The utility model provides a heat-sensitive sensor waterproof housing and a heat-sensitive sensor device, relates to the technical field of electronic components, and solves the technical problem of poor waterproof performance of a heat-sensitive sensor housing in the prior art. The device comprises a main shell, a sealing cover, a waterproof breathable film and a pressing cover, one end of the main shell is provided with a setting opening, the sealing cover is arranged on the setting opening in a sealing mode, air holes are formed in the side wall of the main shell, the waterproof breathable film covers the air holes, the pressing cover is connected with the main shell, and the waterproof breathable film covers the pressing cover. And the gland is propped against the waterproof breathable film. According to the utility model, the waterproof breathable film is arranged on the air hole to play a waterproof role, so that the heat-sensitive sensor can accurately monitor the environment temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic components, in particular to a thermal sensor waterproof shell and a thermal sensor device. Background Art

[0002] Thermistors are conversion devices that convert temperature into electrical signals. In actual use, they are often protected by some shells. The current shells have ventilation holes to ensure that thermistors can accurately monitor the ambient temperature. However, in the actual working environment, the humidity may be high, which may cause moisture to accumulate on the thermistor, resulting in unstable resistance and inaccurate monitoring. Utility Model Content

[0003] The present invention aims to provide a waterproof housing for a thermal sensor and a thermal sensor device, which solves the technical problem of poor waterproofness of thermal sensor housings in the prior art. The preferred technical solution among the various technical solutions provided by the present invention can produce a variety of technical effects, which are described in detail below.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] The utility model provides a waterproof housing for a thermal sensor, comprising a main shell, a sealing cover, a waterproof breathable membrane and a pressure cover. One end of the main shell has a setting opening, the sealing cover is sealingly arranged on the setting opening, a vent is provided on the side wall of the main shell, the waterproof breathable membrane covers the vent, the pressure cover is connected to the main shell, and the pressure cover is tightly pressed against the waterproof breathable membrane.

[0006] Preferably, the pressure cover is an annular structure, and the pressure cover is pressed against a part of the waterproof and breathable membrane around the vent hole.

[0007] Preferably, it further comprises a first sealing gasket, and the gland is pressed against the waterproof breathable membrane via the first sealing gasket.

[0008] Preferably, the pressure cover includes a connecting ring and a pressure ring, the connecting ring is annular in structure, the pressure ring is arranged on the inner ring of the connecting ring, a mounting groove is provided on the inner wall of the main shell, the air vent is provided on the bottom wall of the mounting groove, the waterproof breathable membrane and the first sealing gasket are arranged in the mounting groove in sequence, the pressure ring extends into the mounting groove and presses against the first sealing gasket, and the connecting ring is connected to the main shell outside the mounting groove.

[0009] Preferably, it further comprises a second sealing gasket, and the sealing cover is arranged on the main shell through the second sealing gasket.

[0010] Preferably, a mounting hole for mounting the thermal sensor is provided on the side wall of the main housing.

[0011] The thermal sensor device provided by the utility model comprises the thermal sensor waterproof housing mentioned above.

[0012] Preferably, it also includes a thermal sensor, a connector and a circuit board, the thermal sensor and the connector are both arranged on the circuit board, the thermal sensor is facing the waterproof breathable membrane, the connector is inserted into the mounting hole, and the connector is sealed with the main shell through a third sealing gasket.

[0013] This application adopts the above technical solution, which has at least the following beneficial effects:

[0014] The thermal sensor's waterproof housing includes a main housing, a sealing cover, a waterproof breathable membrane, and a gland. The main housing has a mounting opening at one end, and the sealing cover seals over the opening. The main housing's sidewalls are provided with vents, and the waterproof breathable membrane covers the vents. The gland is connected to the main housing and abuts against the waterproof breathable membrane. The waterproof breathable membrane ensures excellent waterproofing while maintaining air permeability, thus ensuring that the thermal sensor can accurately monitor ambient temperature.

[0015] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a schematic diagram of the explosion structure of the waterproof housing of the thermal sensor provided by the embodiment of the utility model;

[0018] Figure 2 This is a schematic cross-sectional view of a waterproof housing for a thermal sensor provided by an embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of the waterproof housing of the thermal sensor provided by the embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the gland structure provided by an embodiment of the present utility model;

[0021] Figure 5 This is a schematic diagram of the internal structure of the main housing provided by an embodiment of the present utility model;

[0022] Figure 6 This is a schematic diagram of the overall structure of the thermal sensor device provided by an embodiment of the present utility model;

[0023] Figure 7 It is a schematic cross-sectional structural diagram of a thermal sensor device provided by an embodiment of the present utility model.

[0024] In the figure, 1 is the main shell; 2 is the sealing cover; 3 is the waterproof breathable membrane; 4 is the pressure cover; 5 is the vent hole; 6 is the first sealing gasket; 7 is the connecting ring; 8 is the pressure ring; 9 is the mounting groove; 10 is the second sealing gasket; 11 is the mounting hole; 12 is the thermal sensor; 13 is the connector; 14 is the circuit board; 15 is the third sealing gasket. DETAILED DESCRIPTION

[0025] To make the purpose, technical solution, and advantages of the present invention more clear, the technical solution of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0026] The specific embodiment of the utility model provides a thermal sensor waterproof housing, combined with the attached Figure 1 -Attached Figure 5 As shown, it mainly includes a main shell 1, a sealing cover 2, a waterproof and breathable membrane 3 and a pressure cover 4.

[0027] One end of the main housing 1 has a setting opening for setting components such as thermal sensors into the main housing 1;

[0028] The sealing cover 2 is sealed on the setting opening, and the sealing setting of the sealing cover 2 is used to achieve a waterproof effect;

[0029] The side wall of the main housing 1 is provided with air vents 5 for exchanging air inside the housing with air in the environment;

[0030] The waterproof breathable membrane 3 is covered on the vent hole 5, and the waterproof breathable membrane 3 plays a waterproof role while ensuring the ventilation effect, thereby ensuring that the internal thermal sensor can accurately and stably monitor the ambient temperature; the pressure cover 4 is connected to the main shell 1, and the pressure cover 4 is tightly pressed against the waterproof breathable membrane 3, and the pressure cover 4 makes the sealing effect of the peripheral position of the waterproof breathable membrane 3 guaranteed, thereby ensuring the waterproof effect between the waterproof breathable membrane 3 and the inner wall of the shell.

[0031] In a specific embodiment of the present application, the pressure cap 4 can be an annular structure, and the pressure cap 4 is pressed against a part of the waterproof breathable membrane 3 on the side of the air hole 5, and the waterproof breathable membrane 3 is pressed in an annular manner to ensure that the surrounding sides of the waterproof breathable membrane 3 can be effectively sealed, and the annular pressure cap 4 can also ensure the ventilation effect of the middle position of the waterproof breathable membrane 3.

[0032] It should be noted that the air holes 5 in the present application can be multiple small holes or one large hole. When they are small holes, they can be distributed in an array.

[0033] In some embodiments, a first sealing gasket 6 is further included, and the gland 4 is pressed against the waterproof breathable membrane 3 via the first sealing gasket 6 .

[0034] The first sealing gasket 6 is an annular gasket, and its shape is the same as the shape of the end face of the gland 4 pressed against the main shell 1 . The provision of the first sealing gasket 6 further ensures the sealing effect between the gland 4 and the waterproof breathable membrane 3 .

[0035] In some embodiments, the Figure 2-5 As shown, the pressure cover 4 includes a connecting ring 7 and a pressure ring 8. The connecting ring 7 is annular in structure. The pressure ring 8 is arranged on the inner ring of the connecting ring 7. A mounting groove 9 is provided on the inner wall of the main shell 1. The air vent 5 is provided on the bottom wall of the mounting groove 9. The waterproof breathable membrane 3 and the first sealing gasket 6 are arranged in the mounting groove 9 in sequence. The pressure ring 8 extends into the mounting groove 9 and presses against the first sealing gasket 6. The connecting ring 7 is connected to the main shell 1 outside the mounting groove 9.

[0036] The connecting ring 7 and the pressing ring 8 can both be square rings, circular rings, or rings of other shapes. One end of the connecting ring 7 is used to connect to the pressing ring 8, and the inner wall of the connecting ring 7 is smoothly connected to the inner ring wall of the pressing ring 8. The other end of the connecting ring 7 can extend into the installation groove 9 and press against the first sealing gasket 6. The waterproof breathable membrane 3 is pressed against the bottom wall of the installation groove 9 through the first sealing gasket 6. At the same time, the connecting ring 7 is connected to the main housing 1 to achieve a fixed connection and ensure a tight fit. The connecting ring 7 and the main housing 1 can be connected by bolts.

[0037] In some embodiments, a second sealing gasket 10 is further included, and the sealing cover 2 is disposed on the main housing 1 through the second sealing gasket 10 .

[0038] The second sealing gasket 10 is an annular gasket body, which seals the connection between the sealing cover 2 and the main shell 1 from the circumferential side. The sealing cover 2 and the main shell 1 are connected by bolts, and perforations are set on the second sealing gasket 10 corresponding to the bolt connection positions for the bolts to pass through.

[0039] In some embodiments, a mounting hole 11 for mounting a thermal sensor 12 is provided on the side wall of the main housing 1 .

[0040] The connector 13 can be installed through the mounting hole 11 to ensure that the thermal sensor can be connected to the outside world.

[0041] The present application also provides a thermal sensor device, including the above-mentioned thermal sensor waterproof housing, thermal sensor 12, connector 13 and circuit board 14. The thermal sensor 12 and connector 13 are both arranged on the circuit board 14. The thermal sensor 12 is facing the waterproof breathable membrane 3, thereby ensuring that the gas entering from the air vent 5 can quickly contact the thermal sensor 12, so that the thermal sensor 12 can monitor the real-time temperature. The connector 13 is inserted into the mounting hole 11 and is sealed with the main shell 1 through a third sealing gasket 15 to ensure the sealing of the connection position.

[0042] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", "some examples", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0043] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A waterproof housing for a thermal sensor, characterized in that: It includes a main shell, a sealing cover, a waterproof breathable membrane and a pressure cover. One end of the main shell has a setting port, the sealing cover is sealed on the setting port, the side wall of the main shell is provided with a vent, the waterproof breathable membrane cover is provided on the vent, the pressure cover is connected to the main shell, and the pressure cover is pressed against the waterproof breathable membrane.

2. The thermal sensor waterproof housing according to claim 1, characterized in that: The pressure cover is an annular structure, and the pressure cover is pressed against a part of the waterproof and breathable membrane on the side around the vent hole.

3. The thermal sensor waterproof housing according to claim 2, characterized in that: It also includes a first sealing gasket, and the pressure cover is pressed against the waterproof and breathable membrane through the first sealing gasket.

4. The waterproof housing for a thermal sensor according to claim 3, characterized in that: The pressure cover includes a connecting ring and a pressure ring. The connecting ring is annular in structure. The pressure ring is arranged on the inner ring of the connecting ring. A mounting groove is provided on the inner wall of the main shell. The air vent is provided on the bottom wall of the mounting groove. The waterproof and breathable membrane and the first sealing gasket are arranged in the mounting groove in sequence. The pressure ring extends into the mounting groove and presses against the first sealing gasket. The connecting ring is connected to the main shell outside the mounting groove.

5. The waterproof housing for a thermal sensor according to claim 1, characterized in that: It also includes a second sealing gasket, and the sealing cover is arranged on the main shell through the second sealing gasket.

6. The waterproof housing for a thermal sensor according to any one of claims 1 to 5, characterized in that: The side wall of the main shell is provided with a mounting hole for mounting the thermal sensor.

7. A thermal sensor device, characterized in that: The thermal sensor waterproof housing includes the thermal sensor waterproof housing according to claim 6.

8. The thermal sensor device according to claim 7, characterized in that It also includes a thermal sensor, a connector and a circuit board. The thermal sensor and the connector are both arranged on the circuit board. The thermal sensor is facing the waterproof and breathable membrane. The connector is inserted into the mounting hole. The connector is sealed with the main shell through a third sealing gasket.

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