CN220231995U - Sensing device - Google Patents

Abstract

The utility model discloses an induction device, which comprises a shell, a first sealing piece and a second sealing piece, wherein the shell comprises a side wall, a first light-transmitting piece and a cover plate, a first opening and a second opening are formed in two opposite sides of the side wall, a mounting surface is formed at the first opening, a mounting groove is formed at the second opening, the first light-transmitting piece is covered on the first opening, and the cover plate is covered on the second opening; the first sealing piece is respectively abutted with the mounting surface and the first light-transmitting piece; the second sealing piece is arranged in the mounting groove and partially exposed out of the mounting groove to be abutted with the cover plate. According to the utility model, the first sealing piece is abutted between the mounting surface of the side wall and the first light-transmitting piece, so that a gap between the side wall and the first light-transmitting piece is sealed, the second sealing piece is arranged in the mounting groove in an interference manner, part of the second sealing piece is exposed out of the mounting groove and is abutted with the cover plate, and the gap between the side wall and the cover plate is sealed, so that the sealing performance of the induction device is further improved, and the problem that the existing induction device is easy to enter water is effectively solved.

Description

Sensing device

Technical Field

The present disclosure relates to sensing devices, and particularly to a sensing device.

Background

The existing induction device product is easy to enter water in rainy and snowy days when used outdoors, and the product is easy to be powered off by short circuit and has lost functions. An infrared sensing device is disclosed in the prior art, wherein the infrared sensing device is poor in sealing performance and easy to enter water, so that an internal device is short-circuited.

Therefore, there is a need to provide a new sensing device to solve the above-mentioned technical problems.

Disclosure of Invention

The utility model mainly aims to provide an induction device, which aims to solve the problems of poor tightness and easiness in water inflow of the existing induction device.

To achieve the above object, the present utility model provides an induction device, comprising:

the shell comprises a side wall, a first light-transmitting piece and a cover plate, wherein a first opening and a second opening are formed in two opposite sides of the side wall, a mounting surface is formed at the first opening, a mounting groove is formed at the second opening, the first light-transmitting piece is covered on the first opening, and the cover plate is covered on the second opening;

a first seal member abutting the mounting surface and the first light-transmitting member, respectively;

the second sealing piece is arranged in the mounting groove and partially exposed out of the mounting groove to be in butt joint with the cover plate.

Optionally, the inner wall of the side wall forms a plurality of first limit protrusions, and the first limit protrusions are arranged at intervals along the edge of the first opening; the first light-transmitting piece comprises a panel and a mounting plate which are connected with each other, the first sealing piece is respectively abutted with the mounting surface and the panel, a plurality of limiting grooves are formed in the mounting plate, the number of the limiting grooves is consistent with that of the first limiting protrusions and are in one-to-one correspondence, and the first limiting protrusions are respectively clamped into the corresponding limiting grooves to connect the side walls with the first light-transmitting piece.

Optionally, the side wall, the first light-transmitting member and the cover plate enclose to form a cavity; the shell further comprises a battery bin, the battery bin is arranged in the cavity, and the battery bin comprises a bin body and a second limiting protrusion arranged on the bin body; the cover plate is provided with a clamping groove, and the second limiting protrusion is clamped in the clamping groove to connect the bin body and the cover plate.

Optionally, the second limiting protrusion forms a clamping groove with an opening at the bottom; the edge of the clamping groove forms a bump, the second limiting protrusion is clamped with the clamping groove, and the bump is clamped into the clamping groove.

Optionally, the sensing device further includes a sensing component and a light emitting component, the sensing component includes a circuit board and a sensor, the circuit board is disposed in the cavity, the sensor is electrically connected with the circuit board, the sensor is disposed facing the first transparent member, and the sensor is used for sensing infrared rays emitted by a human body; the light-emitting assembly comprises a lamp plate and a light guide cover, wherein the lamp plate is arranged in the cavity, LED lamp beads are arranged on the lamp plate, the light guide cover forms a light path channel, two ends of the light path channel are respectively abutted to the lamp plate and the first light-transmitting piece, and the light path channel is arranged on the periphery of the LED lamp beads in a surrounding mode.

Optionally, the induction component further comprises a mounting bracket, the mounting bracket is arranged on the circuit board, the mounting bracket is provided with an inclined mounting surface, the bottom of the mounting bracket is provided with an avoidance opening, the induction device is arranged on the inclined mounting surface, and the induction device passes through the mounting bracket to be electrically connected with the circuit board; and/or, the side wall of the side wall is provided with a mounting hole, the sensing device further comprises a second light-transmitting piece, and the second light-transmitting piece is arranged in the mounting hole.

Optionally, induction system still includes hanging subassembly, hanging subassembly includes hanging board and prevents tearing open the structure, hanging board is used for hanging to establish on the wall body, be equipped with on the hanging board and press the briquetting, the apron is hung and is located on the hanging board, prevent tearing open the structure with the circuit board electricity is connected, just prevent tearing open the structure part expose in the apron with press the briquetting butt.

Optionally, a placing groove is formed in the cover plate, the anti-disassembly structure comprises an anti-disassembly switch and an anti-disassembly button, the anti-disassembly switch comprises a switch main body and a trigger rod, the switch main body is electrically connected with the circuit board, and the trigger rod is rotationally connected with the switch main body; the anti-disassembly button is arranged in the placing groove in a sliding mode, one end of the anti-disassembly button is abutted to the pressing block, and the other end of the anti-disassembly button penetrates through the cover plate to extend into the cavity to be abutted to the trigger rod.

Optionally, the wall hanging assembly further comprises a locking piece, wherein the locking piece comprises a locking main body and a flange which are connected, and the locking main body is rotatably connected with the wall hanging plate; the cover plate is provided with an installation seat at the position opposite to the locking piece, and when the cover plate is hung on the wall-mounted plate, the locking main body is rotated to drive the flange to rotate until the flange is abutted with the installation seat to lock the cover plate and the wall-mounted plate.

Optionally, a groove matched with the locking main body in shape is formed in the mounting seat, the locking main body is arranged in the groove, and the flange is abutted with the mounting seat when the locking piece locks the cover plate and the wall hanging plate;

the locking piece is provided with a clamping block, and the wall hanging plate is provided with a locking groove which is clamped with the clamping block.

According to the technical scheme, the induction device comprises a shell, a first sealing piece and a second sealing piece, wherein the shell comprises a side wall, a first light-transmitting piece and a cover plate, a first opening and a second opening are formed in two opposite sides of the side wall, a mounting surface is formed in the first opening, a mounting groove is formed in the second opening, the first light-transmitting piece is covered on the first opening, and the cover plate is covered on the second opening; the first sealing piece is respectively abutted with the mounting surface and the first light-transmitting piece; the second sealing piece is arranged in the mounting groove and partially exposed out of the mounting groove to be abutted with the cover plate. According to the induction device, the first sealing element is abutted between the mounting surface of the side wall and the first light-transmitting element, the mounting surface and the first light-transmitting element are matched and clamp the first sealing element, so that the first sealing element is fully contacted with the mounting surface and the first light-transmitting element, a gap between the side wall and the first light-transmitting element is effectively sealed, the second sealing element is arranged in the mounting groove, part of the second sealing element is exposed out of the mounting groove and is abutted with the cover plate, and when the side wall is connected with the cover plate through the fastening piece, the second sealing element is arranged in the mounting groove in an interference mode, so that a gap between the side wall and the cover plate is sealed, the sealing performance of the induction device is further improved, and the problem that water is easy to enter in the conventional induction device is effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of an induction device according to an embodiment of the present utility model;

FIG. 2 is an exploded view of an induction device according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a side wall according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a battery compartment according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a light emitting device according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a mounting bracket according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a wall hanging assembly according to an embodiment of the present utility model;

FIG. 8 is a schematic view of an anti-disassembly structure according to an embodiment of the utility model;

FIG. 9 is a schematic view of a cover plate according to an embodiment of the present utility model;

fig. 10 is a schematic structural view of another view of the cover plate according to the embodiment of the utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The utility model provides an induction device, which aims to solve the problems of poor tightness and easiness in water inflow of the existing induction device.

As shown in fig. 1 to 3, the induction device 100 includes a housing 10, a first sealing member 20 and a second sealing member 30, the housing 10 includes a side wall 11, a first transparent member 12 and a cover plate 13, and two opposite sides of the side wall 11 have a first opening 111 and a second opening 113, a mounting surface 112 is formed at the first opening 111, a mounting groove 114 is provided at the second opening 113, the first transparent member 12 is covered on the first opening 111, and the cover plate 13 is covered on the second opening 113; the first seal 20 abuts the mounting surface 112 and the first light-transmitting member 12, respectively; the second seal 30 is disposed in the mounting groove 114 and partially exposed in the mounting groove 114 to abut against the cover 13.

It is found that the poor tightness of the housing of the induction device 100 is due to the gap between the housing 10 and the lens, the poor tightness, and easy water inflow, so that the internal devices are short-circuited, and the wireless induction device 100 is generally internally provided with a battery compartment 15, and for convenience in replacing the battery, the battery compartment 15 is often provided with a battery cover 13, the battery cover 13 is detachably connected with the housing, and the gap is also present between the battery cover 13 and the housing. In this embodiment, the first sealing member 20 is abutted between the mounting surface 112 of the side wall 11 and the first transparent member 12, the mounting surface 112 and the first transparent member 12 cooperate to clamp the first sealing member 20, so that the first sealing member 20 is fully contacted with the mounting surface 112 and the first transparent member 12, thereby effectively sealing the gap between the side wall 11 and the first transparent member 12, the second sealing member 30 is disposed in the mounting groove 114, and part of the second sealing member 30 is exposed in the mounting groove 114 and abutted against the cover plate 13, and when the side wall 11 is connected with the cover plate 13 through the fastener, the second sealing member 30 is disposed in the mounting groove 114 in an interference manner, thereby sealing the gap between the side wall 11 and the cover plate 13, further improving the sealing performance of the sensing device 100, effectively solving the problem that the existing sensing device 100 is easy to water, and the waterproof and dustproof level of the utility model can reach the IP44.

Based on the above embodiment, the inner wall of the side wall 11 is formed with a plurality of first stopper protrusions 115, and the first stopper protrusions 115 are spaced apart along the edge of the first opening 111; the first light-transmitting member 12 includes a panel 121 and a mounting plate 122 that are connected to each other, the first sealing member 20 is respectively abutted to the mounting surface 112 and the panel 121, a plurality of limiting grooves 122a are formed in the mounting plate 122, the number of the limiting grooves 122a is consistent with that of the first limiting protrusions 115 and is set in a one-to-one correspondence manner, and each of the first limiting protrusions 115 is respectively clamped into the corresponding limiting groove 122a to connect the side wall 11 and the first light-transmitting member 12. The panel 121 and the mounting surface 112 on the side wall 11 are respectively abutted against two sides of the first sealing element 20, the first limit protrusions 115 are arranged at intervals along the edge of the first opening 111, the first limit protrusions 115 are correspondingly clamped into the plurality of limit grooves 122a one by one to enable the side wall 11 and the mounting plate 122 to be clamped, connection strength of the side wall 11 and the first light-transmitting element 12 is enhanced, the panel 121 and the mounting surface 112 are matched to clamp the first sealing element 20, and accordingly the first sealing element 20 is enabled to fully fill gaps between the panel 121 and the mounting surface 112, and tightness of the connection position of the side wall 11 and the first light-transmitting element 12 is guaranteed. The number of the first limit protrusions 115 is at least two, the two first limit protrusions 115 are respectively arranged on the inner walls of the two sides of the first opening 111, and the number of the limit grooves 122a is consistent with the number of the first limit protrusions 115 and is arranged in a one-to-one correspondence manner; the more the number of the first limit protrusions 115 is, the higher the connection strength between the side wall 11 and the first transparent member 12 is, and the more stable the connection structure is.

In one embodiment, the side wall 11, the first light-transmitting member 12 and the cover plate 13 enclose a cavity 14; the shell 10 further comprises a battery compartment 15, the battery compartment 15 is arranged in the cavity 14, and the battery compartment 15 comprises a compartment body 151 and a second limiting protrusion 152 arranged on the compartment body 151; the cover plate 13 is provided with a clamping groove 131, and the second limiting protrusion 152 is clamped in the clamping groove 131 to connect the bin 151 and the cover plate 13. The side of the bin body 151 far away from the first light-transmitting member 12 is provided with a containing cavity for placing batteries, and the second limiting protrusion 152 is clamped into the clamping groove 131 on the cover plate 13 to connect the battery bin 15 and the cover plate 13, so that the battery bin 15 is fixed in the cavity 14, and the battery bin 15 is prevented from moving in the cavity 14 to collide with other components. The number of the second limiting protrusions 152 may be multiple, the second limiting protrusions 152 are arranged at the edge of the bin body 151 at intervals, the number of the clamping grooves 131 is consistent with the number of the second limiting protrusions 152 and the second limiting protrusions 152 are arranged in a one-to-one correspondence manner, and the second limiting protrusions 152 are respectively clamped into the corresponding clamping grooves 131 to connect the bin body 151 and the cover plate 13, so that the connection strength of the battery bin 15 and the cover plate 13 is further enhanced, and the structural stability of the sensing device 100 is improved.

As shown in fig. 4 and 9, the second limiting protrusion 152 forms a clamping groove 152a with an opening at the bottom; the edge of the clamping groove 131 forms a bump 132, the second limiting protrusion 152 is clamped with the clamping groove 131, and the bump 132 is clamped into the clamping groove 152 a. When the battery compartment 15 is clamped with the cover plate 13, the second limiting protrusion 152 extends into the clamping groove 131, then the protruding block 132 in the clamping groove 131 is aligned to the opening of the clamping groove 152a, the cover plate 13 is slid to enable the protruding block 132 to slide into the clamping groove 152a so as to clamp the second limiting protrusion 152 with the clamping groove 131, and in this embodiment, the battery compartment 15 and the cover plate 13 can be firmly connected, the cover plate 13 is convenient to detach, and a user can replace a battery.

In addition, as shown in fig. 1, 2 and 5, the sensing device 100 further includes a sensing component 40 and a light emitting component 60, the sensing component 40 includes a circuit board 41 and a sensor 42, the circuit board 41 is disposed in the cavity 14, the sensor 42 is electrically connected with the circuit board 41, and the sensor 42 is disposed facing the first transparent member 12, and the sensor 42 is used for sensing infrared rays emitted by a human body; the light emitting component 60 comprises a lamp plate 61 and a light guide cover 62, the lamp plate 61 is arranged in the cavity, the lamp plate 61 is electrically connected with the circuit board 41, the lamp plate 61 is provided with LED lamp beads, the light guide cover 62 forms a light path channel 621, two ends of the light path channel 621 are respectively connected with the lamp plate 61 and abutted against the first light transmitting piece 12, and the light path channel 621 is arranged on the periphery of the LED lamp beads in a surrounding mode. The mounting cavity communicated with the cavity 14 is formed in one side, close to the first light-transmitting part 12, of the bin body 151, the circuit board 41 is arranged in the mounting cavity, when a person passes through the sensing device 100, infrared rays emitted by the person are received by the sensor 42 through the first light-transmitting part 12, the sensor 42 transmits signals to the circuit board 41, the circuit board 41 is electrically connected with the lamp panel 61, accordingly, the circuit board 41 controls LED lamp beads on the lamp panel 61 to be lightened, then other lamps are lightened, light emitted by the LED lamp beads is soft, the buffering time can be adapted to the eyes, the big lamps are lightened, and the phenomenon that the eyes suddenly receive strong light to cause dazzling discomfort is avoided. The two ends of the light guide cover 62 are respectively abutted against the lamp panel 61 and the first light-transmitting piece 12, a light path channel 621 is formed in the light guide cover 62, the light path channel 621 is arranged on the periphery of the LED lamp beads in a surrounding mode, and the light guide cover 62 can limit the light rays of the LED lamp beads in a specific light-emitting area so as to avoid light rays from escaping to influence the light-emitting effect. The light path channel 621 is gradually expanded from the lamp panel 61 to the first light-transmitting member 12, and guides the light of the LED lamp beads, and enlarges the light-emitting area.

As shown in fig. 6, specifically, the sensing assembly 40 further includes a mounting bracket 43, the mounting bracket 43 is disposed on the circuit board 41, the mounting bracket 43 is provided with an inclined mounting surface 431, the bottom of the mounting bracket 43 is provided with an avoidance opening 432, the sensor 42 is disposed on the inclined mounting surface 431, and the sensor 42 passes through the mounting bracket 43 to be electrically connected with the circuit board 41. Since the sensing device 100 is generally disposed at a high position, the sensor 42 is mounted on the inclined mounting surface 431, and the inclination angle of the inclined mounting surface 431 is 5 ° to 10 °, so that the sensor 42 is also at a certain inclination angle, so that the sensor 42 can receive infrared rays emitted by a human body below, and the bottom of the mounting bracket 43 is provided with the avoiding opening 432, so as to avoid the mounting bracket 43 from blocking the infrared rays emitted by the human body, thereby maintaining the sensing sensitivity of the sensing device 100.

In another embodiment, the side wall of the side wall 11 is provided with a mounting hole 116, and the sensing device 100 further includes a second light-transmitting member 50, where the second light-transmitting member 50 is disposed in the mounting hole 116. The second transparent member 50 may be disposed on two side walls or the bottom of the side wall 11, so that the infrared ray can be received by the sensor 42, and the sensitivity of the sensing device 100 is improved, so as to improve the user experience. In addition, the side wall 11 can be a light-transmitting piece, so that the installation procedure is saved, the production is convenient, and infrared rays can pass through the side wall 11 and are received by the sensor 42.

Further, as shown in fig. 2 and 6, the induction device 100 further includes a wall hanging component 70, the wall hanging component 70 includes a wall hanging plate 71 and an anti-disassembling structure 72, the wall hanging plate 71 is used for being hung on a wall, a pressing block 711 is disposed on the wall hanging plate 71, the cover plate 13 is hung on the wall hanging plate 71, the anti-disassembling structure 72 is electrically connected with the circuit board 41, and the anti-disassembling structure 72 is partially exposed from the cover plate 13 and is abutted to the pressing block 711. The wall hanging plate 71 is hung on a wall body through screws, the pressing block 711 is arranged opposite to the anti-disassembly structure 72, and when the cover plate 13 is hung on the wall hanging plate 71, the pressing block 711 abuts against the anti-disassembly structure 72; when the cover plate 13 loosens or breaks away from the wall-mounted plate 71, the pressing block 711 cannot abut against the anti-disassembly structure 72, even the pressing block 711 is far away from the anti-disassembly structure 72, the anti-disassembly structure 72 is triggered, and signals are transmitted to a receiving end of a user, such as a mobile phone, a flat plate and the like, through the circuit board 41, so that the user can monitor the installation condition of the sensing device 100 in real time, timely find the loosening and shifting conditions of the sensing device 100, and avoid the falling damage of the sensing device 100.

Further, as shown in fig. 1, 7, 8 and 10, the cover 13 is provided with a placement groove 133, the anti-disassembly structure 72 includes an anti-disassembly switch 721 and an anti-disassembly button 722, the anti-disassembly switch 721 includes a switch main body 721a and a trigger lever 721b, the switch main body 721a is electrically connected with the circuit board 41, and the trigger lever 721b is rotatably connected with the switch main body 721 a; the disassembly preventing button 722 is slidably disposed in the placement groove 133, one end of the disassembly preventing button 722 abuts against the pressing block 711, and the other end of the disassembly preventing button 722 extends into the cavity 14 through the cover plate 13 to abut against the trigger lever 721 b. The cover plate 13 is provided with the placing groove 133 which is arranged corresponding to the pressing block 711, the anti-disassembly button 722 is arranged in the placing groove 133, part of the anti-disassembly button 722 is exposed out of the placing groove 133, when the cover plate 13 is hung on the wall-mounted plate 71, the pressing block 711 abuts against the anti-disassembly button 722, so that the anti-disassembly button 722 presses the trigger lever 721b, the anti-disassembly switch 721 is in a triggering state, when the cover plate 13 loosens or breaks away from the wall-mounted plate 71, the pressing block 711 cannot abut against the anti-disassembly button 722, at this time, the trigger lever 721b rebounds to trigger the anti-disassembly switch 721, and the anti-disassembly switch 721 transmits signals to a user end through the circuit board 41, so that a user can monitor the installation condition of the sensing device 100 conveniently.

In one embodiment, as shown in fig. 7 and 10, the wall hanging assembly 70 further includes a locking member 73, the locking member 73 including a locking body 731 and a flange 732 connected to each other, the locking body 731 being rotatably connected to the wall hanging plate 71; the cover 13 is provided with a mounting seat 134 at a position opposite to the locking member 73, and when the cover 13 is hung on the wall-hanging plate 71, the locking main body 731 is rotated to drive the flange 732 to rotate until the flange 732 abuts against the mounting seat 134 to lock the cover 13 and the wall-hanging plate 71. The wall hanging plate 71 is provided with two connecting seats which are arranged at intervals, two ends of the locking main body 731 are respectively arranged in the two connecting seats in a rotating mode, one end of the locking main body 731 is exposed out of the wall hanging plate 71, and a strip-shaped groove is formed at the end portion and is used for being in butt joint with a tool, so that a user can rotate the locking piece 73 through the tool. The flange 732 is located at one side of the locking main body 731 near the wall-hanging plate 71, when the cover plate 13 is hung on the wall-hanging plate 71, the locking main body 731 is slidably arranged on the mounting seat 134, and the user rotates the locking main body 731 to make the flange 732 abut against the upper part of the mounting seat 134 so as to limit the cover plate 13, so that the cover plate 13 cannot move upwards to separate from the wall-hanging plate 71, thereby achieving the locking effect; when it is desired to detach the cover 13 from the wall plate 71, the locking member 73 is rotated in the opposite direction until the flange 732 is out of contact with the mounting base 134, and the cover 13 is moved upward to disengage the cover 13 from the wall plate 71.

Wherein, the mounting seat 134 is provided with a groove 134a matching with the shape of the locking main body 731, the locking main body 731 is disposed in the groove 134a, and the flange 732 abuts against the edge of the groove 134a when the locking member 73 locks the cover plate 13 and the wall-hanging plate 71. The locking main body 731 is in sliding contact with the inner wall of the groove 134a, the shape of the flange 732 is matched with the shape of the groove 134a, when the locking member 73 locks the cover plate 13 and the wall hanging plate 71, the flange 732 abuts against the edge of the groove 134a to limit the cover plate 13, so that the cover plate 13 cannot move upwards, the cover plate 13 and the wall hanging plate 71 are locked, and the connection strength of the cover plate 13 and the wall hanging plate 71 is enhanced.

In another embodiment, the locking member 73 is provided with a locking piece 733, and the wall-hanging plate 71 is provided with a locking groove 712 engaged with the locking piece 733. The clamping blocks 733 are clamped into the locking grooves 712 to limit the locking pieces 73, the number of the clamping blocks 733 is two, the two clamping blocks 733 are respectively a first clamping block and a second clamping block, the first clamping blocks 733 and the second clamping blocks 733 are arranged in opposite directions, and when the cover plate 13 is not hung on the wall hanging plate 71, the first clamping blocks 733 are clamped with the locking grooves 712 to lock the locking pieces 73, so that the locking pieces 73 are prevented from shaking on the wall hanging plate 71; when the cover plate 13 is covered on the wall-mounted plate 71, the user rotates the locking member 73 to enable the first clamping block 733 to be separated from the locking groove 712 until the second clamping block 733 is clamped into the locking groove 712 to stop rotating the locking member 73, and at this time, the flange 732 abuts against the mounting seat 134 to limit the cover plate 13, and the locking member 73 is locked. The two clamping blocks 733 are matched with the locking groove 712 so that a user can conveniently determine whether the locking piece 73 rotates in place, and the use experience of the user is improved.

In addition, the sensing device 100 further includes a reset button electrically connected to the circuit board 41, the reset button being used for restarting the sensing device 100 without power failure, and it is possible to restart the sensing device 100 by pressing the reset button when the sensing device 100 is dead.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. An induction device, characterized in that it comprises:

the shell comprises a side wall, a first light-transmitting piece and a cover plate, wherein a first opening and a second opening are formed in two opposite sides of the side wall, a mounting surface is formed at the first opening, a mounting groove is formed at the second opening, the first light-transmitting piece is covered on the first opening, and the cover plate is covered on the second opening;

a first seal member abutting the mounting surface and the first light-transmitting member, respectively;

the second sealing piece is arranged in the mounting groove and partially exposed out of the mounting groove to be in butt joint with the cover plate.

2. The sensing device of claim 1, wherein the inner wall of the side wall forms a plurality of first spacing projections, the first spacing projections being spaced along the first opening edge; the first light-transmitting piece comprises a panel and a mounting plate which are connected with each other, the first sealing piece is respectively abutted with the mounting surface and the panel, a plurality of limiting grooves are formed in the mounting plate, the number of the limiting grooves is consistent with that of the first limiting protrusions and are in one-to-one correspondence, and the first limiting protrusions are respectively clamped into the corresponding limiting grooves to connect the side walls with the first light-transmitting piece.

3. The inductive device of claim 2, wherein said side wall, said first optically transmissive member and said cover plate enclose a cavity; the shell further comprises a battery bin, the battery bin is arranged in the cavity, and the battery bin comprises a bin body and a second limiting protrusion arranged on the bin body; the cover plate is provided with a clamping groove, and the second limiting protrusion is clamped in the clamping groove to connect the bin body and the cover plate.

4. The sensing device of claim 3, wherein the second limit protrusion forms a slot with an open bottom; the edge of the clamping groove forms a bump, the second limiting protrusion is clamped with the clamping groove, and the bump is clamped into the clamping groove.

5. The sensing device of claim 3, further comprising a sensing assembly and a light emitting assembly, the sensing assembly comprising a circuit board and a sensor, the circuit board disposed in the cavity, the sensor electrically connected to the circuit board and disposed opposite the first light transmissive member, the sensor for sensing infrared light emitted by a human body; the light-emitting assembly comprises a lamp plate and a light guide cover, wherein the lamp plate is arranged in the cavity, LED lamp beads are arranged on the lamp plate, the light guide cover forms a light path channel, two ends of the light path channel are respectively abutted to the lamp plate and the first light-transmitting piece, and the light path channel is arranged on the periphery of the LED lamp beads in a surrounding mode.

6. The sensing device of claim 5, further comprising a mounting bracket disposed on the circuit board, the mounting bracket having an angled mounting surface with a bottom opening of the mounting bracket, the sensor disposed on the angled mounting surface and electrically connected to the circuit board through the mounting bracket; and/or, the side wall of the side wall is provided with a mounting hole, the sensing device further comprises a second light-transmitting piece, and the second light-transmitting piece is arranged in the mounting hole.

7. The inductive device of claim 5, further comprising a wall mount assembly, said wall mount assembly comprising a wall mount plate and an anti-disassembly structure, said wall mount plate being adapted to be hung on a wall, said wall mount plate being provided with a press block, said cover plate being suspended on said wall mount plate, said anti-disassembly structure being electrically connected to said circuit board, and said anti-disassembly structure being partially exposed from said cover plate in abutment with said press block.

8. The induction device according to claim 7, wherein the cover plate is provided with a placing groove, the anti-disassembly structure comprises an anti-disassembly switch and an anti-disassembly button, the anti-disassembly switch comprises a switch main body and a trigger rod, the switch main body is electrically connected with the circuit board, and the trigger rod is rotatably connected with the switch main body; the anti-disassembly button is arranged in the placing groove in a sliding mode, one end of the anti-disassembly button is abutted to the pressing block, and the other end of the anti-disassembly button penetrates through the cover plate to extend into the cavity to be abutted to the trigger rod.

9. The inductive device of claim 8, wherein said wall mount assembly further comprises a locking member comprising a locking body and a flange connected thereto, said locking body being rotatably connected to said wall mount; the cover plate is provided with an installation seat at the position opposite to the locking piece, and when the cover plate is hung on the wall-mounted plate, the locking main body is rotated to drive the flange to rotate until the flange is abutted with the installation seat to lock the cover plate and the wall-mounted plate.

10. The sensing device of claim 9, wherein the mounting base is provided with a groove matched with the shape of the locking main body, the locking main body is arranged in the groove, and the retaining edge is abutted with the mounting base when the locking piece locks the cover plate and the wall-mounted plate; and/or the locking piece is provided with a clamping block, and the wall hanging plate is provided with a locking groove which is clamped with the clamping block.