CN210570788U - Sensor and sensor device - Google Patents

Abstract

An embodiment of the utility model provides an induction member, including first casing, second casing and circuit board subassembly, accommodating space is formed in the cooperation of first casing and second casing, and the second casing supports including being located accommodating space and leans on the boss, and circuit board subassembly is acceptd in accommodating space, and circuit board subassembly includes the circuit board, installs treater and the detection switch on the circuit board, and the detection switch supports to lean on the boss, the treater with the detection switch is connected, and the treater produces alarm signal when the detection switch leaves to lean on the boss. The embodiment of the utility model provides a detection switch of response piece supports to lean on the boss for the treater homoenergetic produces alarm signal when first casing or the second casing of response piece are unpacked apart, has promoted the security performance of response piece. The novel embodiment of this implementation still provides a sensor device.

Description

Sensor and sensor device

Technical Field

The utility model relates to an environmental sensor technical field particularly, relates to an response piece and sensor device.

Background

The door and window sensor is used to detect whether doors, windows, drawers, etc. are illegally opened or moved. The intelligent household security system can be used as a first defense line of an intelligent household security part, and can be intelligently linked with a final management system and an alarm system, such as a synchronous defense withdrawing alarm, and corresponding light or modes are started.

There are many types of door and window sensors on the market today. The door and window sensor normally works through the power supply of the battery, and if a lawless person unpacks the door and window sensor and removes the battery, the existing door and window sensor cannot play a corresponding warning role, so that the potential safety hazard is relatively large.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an response piece and sensor device to solve above-mentioned problem. The embodiment of the utility model provides an above-mentioned purpose is realized through following technical scheme.

In a first aspect, an embodiment of the present invention provides a sensor, including first casing, second casing and circuit board assembly, first casing and second casing cooperation form an accommodating space, and the second casing supports including being located accommodating space and leaning on the boss. The circuit board assembly is contained in the containing space and comprises a circuit board, a processor and a detection switch, the processor and the detection switch are installed on the circuit board, the detection switch is abutted against the abutting boss, the processor is connected with the detection switch, and the processor generates an alarm signal when the detection switch is separated from the abutting boss.

In an embodiment, the induction part further comprises a middle frame located in the accommodating space, the circuit board assembly is fixedly mounted on the middle frame, an assembling hole corresponding to the abutting boss is formed in the middle frame, and the detection switch penetrates through the assembling hole and abuts against the abutting boss.

In one embodiment, the circuit board assembly is vertically fixedly mounted to the center frame.

In one embodiment, the middle frame is engaged with the first housing.

In one embodiment, the sensing member further includes a battery accommodated in the accommodating space, and the battery is adjacent to and electrically connected to the circuit board assembly to supply power to the circuit board assembly.

In one embodiment, the circuit board assembly further comprises an induction sensor, an indicator light and an antenna, wherein the induction sensor, the indicator light and the antenna are all mounted on the circuit board, the induction sensor is used for detecting the state of the door and the window and outputting state information, the induction sensor is electrically connected with the processor and used for transmitting the state information to the processor, the indicator light and the antenna are electrically connected with the processor, the antenna is used for transmitting an alarm signal to the user terminal, and the indicator light is used for being turned on when the processor generates the alarm signal.

In one embodiment, the sensing element further includes a key mounted on the first housing, the first housing defines a first through hole corresponding to the key to expose the key, and the circuit board assembly further includes a contact switch mounted on the circuit board, the contact switch being engaged with the key.

In a second aspect, an embodiment of the present invention provides a sensor device, including magnetic part and induction part, the circuit board assembly includes induction sensor, and the magnetic part cooperates with induction sensor to make the processor produce alarm signal when induction sensor leaves the scope of action of magnetic part.

In one embodiment, the sensing element is provided with a first marking line and the magnetic element is provided with a second marking line, the first marking line and the second marking line cooperating to align the magnetic element and the sensing element when mounted.

In one embodiment, the magnetic member includes a first cover, a second cover, and a permanent magnet, and the first cover and the second cover are engaged with each other to receive the permanent magnet.

In one embodiment, one side of the second cover body close to the first cover body comprises a plurality of limiting ribs, and the permanent magnet is clamped with the plurality of limiting ribs.

Compared with the prior art, the embodiment of the utility model provides a detection switch of response piece and sensor device supports and leans on in leaning on the boss for the treater homoenergetic produces alarm signal when the first casing or the second casing of response piece are unpacked apart, has promoted response piece and sensor device's security performance.

These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an exploded schematic view of a sensor according to an embodiment of the present invention at a viewing angle.

Fig. 2 is an exploded schematic view of a sensor at another viewing angle according to an embodiment of the present invention.

Fig. 3 is an exploded schematic view of a circuit board assembly, a middle frame and a second housing of the sensor according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a sensor device according to an embodiment of the present invention.

Fig. 5 is an exploded schematic view of a magnetic member of a sensor device according to an embodiment of the present invention.

Fig. 6 is an internal schematic diagram of a sensor device according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the embodiments of the present invention, the embodiments of the present invention will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides an inductor 10, including a first housing 11, a second housing 12 and a circuit board assembly 14, the first housing 11 and the second housing 12 cooperate to form an accommodating space 13, the second housing 12 includes a supporting boss 125 located in the accommodating space 13, the circuit board assembly 14 is accommodated in the accommodating space 13, and the circuit board assembly 14 includes a circuit board 141, a processor 145 and a detection switch 147 installed on the circuit board 141, the detection switch 147 supports against the supporting boss 125, the processor 145 is connected to the detection switch 147, and the processor 145 generates an alarm signal when the detection switch 147 leaves the supporting boss 125.

Specifically, the sensing member 10 includes a first housing 11, a circuit board assembly 14, a middle frame 15, and a second housing 12 in this order.

The first housing 11 is substantially enclosed by a bottom wall and a side wall extending from the periphery of the bottom wall in the direction of the second housing 12, i.e., has a substantially boat-shaped configuration. The first casing 11 is provided with a first through hole 112 corresponding to the key 100 to expose the key 100. The first housing 11 further has a second through hole 114 spaced apart from the first through hole 112, and the aperture of the second through hole 114 is smaller than that of the first through hole 112. The second through hole 114 may be used to mount the light guide 105.

The first shell 11 further includes opposite first inner and outer surfaces 116, 118, wherein the first outer surface 118 may be a decorative surface, may include a product logo or design, etc. The first inner surface 116 may be used to mount the circuit board assembly 14, for example, the first housing 11 may include a rib structure attached to the first inner surface 116, which may be used to engage the circuit board assembly 14. The circuit board assembly 14 may also be mounted to the first inner surface 116 by way of bonding.

The second housing 12 and the first housing 11 have substantially the same shape, and the second housing 12 and the first housing 11 cooperate to form a receiving space 13 for receiving the circuit board assembly 14 and the middle frame 15, which may be snap-fit or adhesive. The second shell 12 includes a second inner surface 122 and a second outer surface 124 opposite to each other, and further includes an abutting boss 125 located in the receiving space 13. The abutting boss 125 is located on the second inner surface 122 and protrudes from the second surface toward the first housing 11, the size and protruding height of the abutting boss 125 are not limited, and the requirement that the detection switch 147 abuts against the abutting boss 125 when the second housing 12 is matched with the first housing 11 is met. In the present embodiment, the abutting boss 125 has a substantially rectangular parallelepiped shape. In other embodiments, the abutment boss 125 may also be cylindrical or prismatic, etc. The side of the second casing 12 away from the first casing 11 is further provided with an adhesive layer 126, the adhesive layer 126 may be disposed on the second outer surface 124 of the second casing 12, specifically, the adhesive layer 126 may be disposed on a portion of the second outer surface 124 that is directly contacted with a door window, so that the sensor 10 may be mounted on the door window through the adhesive layer 126.

The structure of the middle frame 15 is similar to that of the first casing 11 or the second casing 12, but the size is approximately half of that of the first casing 11 or the second casing 12, and the middle frame 15 is located between the first casing 11 and the second casing 12, specifically, in the housing space 13. The middle frame 15 may be engaged with the first housing 11 to form a receiving cavity 16, and the receiving cavity 16 may be used for receiving the circuit board assembly 14. The middle frame 15 is further opened with a fitting hole 151 corresponding to the abutting boss 125, so that the detection switch 147 passes through the fitting hole 151 and abuts against the abutting boss 125. In the present embodiment, the fitting hole 151 is substantially racetrack-shaped. Those skilled in the art will appreciate that the fitting hole 151 may have a circular or rectangular shape, and the like, so as to allow the detection switch 147 to pass through.

The circuit board assembly 14 is accommodated in the accommodating space 13, specifically, the circuit board assembly 14 is accommodated in the accommodating cavity 16, and further, the circuit board assembly 14 is fixedly mounted on the middle frame 15. In the present embodiment, the circuit board assembly 14 is vertically and fixedly mounted on the middle frame 15, so that the magnetic induction line can vertically penetrate through the surface of the hall sensor mounted on the circuit board assembly 14, thereby ensuring double-sided induction of the induction member 10. The circuit board assembly 14 can be used for emitting alarm indicating light or alarm signals, so that a user can know the door and window state at the first time, and the purposes of safety, theft prevention and detachment prevention are achieved.

The circuit board assembly 14 includes a circuit board 141, an inductive sensor 143, a processor 145, a detection switch 147, and a contact switch 148, wherein the inductive sensor 143, the processor 145, the detection switch 147, and the contact switch 148 are all mounted to the circuit board 141.

In this embodiment, the inductive sensor 143 may be a magnetic induction sensor that converts the magnetic property change of the sensing element caused by the magnetic field into an electrical signal, such as a reed switch. The operating principle of the inductive sensor 143 is as follows: in the armed state of the sensor device 1, the distance between the inductive sensor 143 and the permanent magnet 25 does not exceed a predetermined distance, for example 15 mm. When a person pushes a door, a window or a drawer provided with the sensor device 1, the distance between the induction sensor 143 and the permanent magnet 25 exceeds 15mm, so that the induction sensor 143 is closed to cause a short circuit, and the processor 145 sends an alarm signal to notify the user. The sensing sensor 143 may be used to detect a state of the door and window and output state information, such as opening or closing of the door and window, and the sensing sensor 143 may be electrically connected to the processor 145 to transmit the state information to the processor 145.

In other embodiments, the inductive sensor 143 may also be a device that converts the change in the performance of the sensing element caused by external factors such as current, stress strain, temperature, light, etc. into an electrical signal, such as a pressure sensor, a temperature sensor, or an infrared sensor.

The detection switch 147 abuts against the abutment boss 125. Specifically, in this embodiment, the detection switch 147 may be a pressure sensitive switch or a microswitch, and is turned off when abutting against the boss 125 and turned on when being separated from the abutment boss 125. The detection switch 147 has a substantially triangular shape, and one corner of the triangular shape may pass through the fitting hole 151 until abutting against the abutting boss 125. In other embodiments, the detection switch 147 may have a cylindrical shape or the like, and may be inserted through the attachment hole 151 and abut against the abutting boss 125.

The processor 145 may be configured to receive the status information detected by the inductive sensor 143 and send a corresponding control signal to control the indicator 142 to illuminate. The processor 145 may also be used to issue an alarm signal, and in particular, the processor 145 may generate an alarm signal when the detection switch 147 is moved away from the abutment boss 125.

The circuit board assembly 14 may further include components such as an integrated circuit, a capacitor, and a resistor, wherein the structure and location of the integrated circuit, the capacitor, and the resistor may be referred to in the art and will not be described herein.

The sensing element 10 further includes a battery 17, a positive electrode spring 18, a negative electrode spring 101, and a conducting strip 19, wherein the conducting strip 19 is connected between the positive electrode spring 18 and the negative electrode spring 101, and the positive electrode spring 18 is mounted on the circuit board assembly 14. The conductive plate 19 has a certain rigidity to support the negative electrode tab 101. The battery 17 is accommodated in the accommodating space 13, and the battery 17 is adjacent to and electrically connected with the circuit board assembly 14 to supply power to the circuit board assembly 14. Specifically, the battery 17 is mounted between the positive electrode tab 18 and the negative electrode tab 101. The battery 17 may be a general dry battery 17 or a rechargeable battery 17.

The circuit board assembly 14 also includes an indicator light 142, the indicator light 142 being mounted to the circuit board 141, the indicator light 142 being electrically connected to the processor 145 and the battery 17. Indicator light 142 is adapted to turn on when processor 145 generates an alarm signal. The indicator lamp 142 may emit light intermittently to exhibit a flickering light effect, thereby alerting a user. In the present embodiment, the indicator lamp 142 is disposed toward the first housing 11, so as to guide the light emitted from the indicator lamp 142 to the outside of the sensing member 10 as much as possible.

The circuit board assembly 14 also includes an antenna 144, the antenna 144 being mounted to the circuit board 141 and electrically connected to the processor 145. The antenna 144 is used for transmitting the alarm signal to the user terminal, so that the terminal can check the opening and closing state of the door and window at the moment.

The sensing member 10 further includes a memory 104, the memory 104 is electrically connected to the processor 145, and the memory 104 can be used for storing the opening and closing state information of the door and window, so that the user can know the opening and closing state of the door and window at any time.

The sensing member 10 further includes a light guiding pillar 105 installed on the first casing 11, specifically penetrating through the second through hole 114 and installed on the first inner surface 116 of the first casing 11, the light guiding pillar 105 corresponds to the indicator lamp 142, so that light emitted by the indicator lamp 142 can be transmitted to the outside through the light guiding pillar 105, thereby generating a warning signal to remind a user of illegally opening a door or window.

The sensor 10 further includes a button 100 mounted on the first housing 11, specifically, the button 100 is disposed through the first through hole 112 and mounted on the circuit board assembly 14, and the button 100 can be used for resetting the sensor device 1. Specifically, the key 100 cooperates with the contact switch 148 such that the opening and closing of the contact switch 148 can be achieved by pressing the key 100, thereby achieving the resetting of the sensor device 1. The key 100 includes a main body 110 having a substantially cylindrical shape and two mounting legs 130 extending from the main body 110, the two mounting legs 130 extend toward the second through hole 114, ends of the two mounting legs 130 each include a mounting hole 132, and the mounting holes 132 can be used for screws to pass through to mount the key 100 to the first housing 11.

The sensing element 10 is provided with a first mark line 106, in this embodiment, the first mark line 106 is provided on the second outer surface 124 of the second casing 12 and is in a line shape, and the first mark line 106 is recessed from the second outer surface 124 to the second inner surface 122. In other embodiments, the first mark line 106 may be a dot or a numeral mark, or may be a mark marked with an oil pen. The first mark line 106 is not limited in form, and may satisfy the marking function.

Referring to fig. 1 and 4, the embodiment of the present invention further provides a sensor device 1, which includes a magnetic component 20 and an inductive component 10, wherein the magnetic component 20 cooperates with the inductive sensor 143, so that the processor 145 generates an alarm signal when the inductive sensor 143 leaves the range of action of the magnetic component 20.

Specifically, the sensor device 1 provided in the present embodiment may be used for general doors and windows, and may also be used for important containers such as drawers and safes. For example, for a double-opening window, the magnetic member 20 may be mounted to one of the windows and the sensing member 10 may be mounted to the other window. For example, in the case of a security door, one of the magnetic member 20 or the sensing member 10 may be mounted on a door panel, and the other structure may be mounted on a door frame or a wall, so that when a lawbreaker opens a window or the security door, the sensor device 1 will send out a warning signal to remind the user.

The magnetic member 20 is engaged with the inductive sensor 143. Specifically, after the sensor device 1 is installed, the magnetic member 20 is located at a predetermined distance from the sensing sensor 143, the magnetic member 20 is installed on one of the windows, and the sensing member 10 is installed on the other window. When the window is opened, the distance between the magnetic member 20 and the sensing member 10 changes, that is, the distance between the magnetic member 20 and the sensing sensor 143 is greater than the preset distance, the magnetic field changes as the distance increases, so that the sensing sensor 143 converts the magnetic signal into an electrical signal, and the processor 145 receives the electrical signal and sends an alarm signal.

Referring to fig. 4 and 5, the magnetic member 20 includes a first cover 21, a second cover 23 and a permanent magnet 25, and the first cover 21 and the second cover 23 are engaged to receive the permanent magnet 25. Specifically, one side of the second cover 23 close to the first cover 21 includes a plurality of limiting ribs 27, and the permanent magnet 25 is engaged with the plurality of limiting ribs 27. The side of the second cover 23 away from the first cover 21 may also be coated with adhesive to mount the magnetic member 20 on the door/window.

The magnetic member 20 is provided with a second marking line 29, the second marking line 29 having the same form as the first marking line 106, the second marking line 29 and the first marking line 106 cooperating to align the magnetic member 20 and the inductive member 10 when mounted. Specifically, the sensor device 1 can be mounted by aligning the second mark line 29 with the first mark line 106 with the sensing element 10 already mounted, and then fixing the magnetic element 20.

Referring to fig. 1, fig. 2 and fig. 5, the installation of the sensor device 1 according to the present invention mainly includes the following steps:

1. assembly of magnetic member 20

The permanent magnet 25 is put into the stopper rib 27 of the second cover 23, and the first cover 21 is fitted over the second cover 23, thereby completing the assembly of the magnetic member 20.

2. Assembly of the inductive component 10

Firstly, the key 100 and the light guide column 105 are installed on the first shell 11, the positive elastic sheet 18 is welded at a hole position corresponding to the circuit board 141, then the whole body consisting of the circuit board assembly 14, the positive elastic sheet 18, the negative elastic sheet 101 and the conducting sheet 19 is installed on the first shell 11, then the middle frame 15 is clamped with the first shell 11, then the battery 17 is placed, and finally the second shell 12 is covered on the first shell 11, so that the assembly of the inductor 10 is completed.

3. Mounting of a sensor device 1

The sensing element 10 is bonded to one of the windows by the adhesive layer 126, the second mark line 29 is aligned with the first mark line 106, and then the magnetic element 20 is fixed, thereby completing the installation of the sensor device 1.

Referring to fig. 3, 4 and 6, the working principle of the sensor device 1 provided by the present invention is described below with a specific example, and the working process of the sensor device 1 can be divided into the following two cases.

1. The magnetic member 20 and the inductive member 10 cooperate

The sensor device 1 is in a security state after being installed, the distance between the permanent magnet 25 of the magnetic member 20 and the inductive sensor 143 is set to be not more than a predetermined distance, for example, 15mm, the magnetic member 20 is installed on one window, and the inductive member 10 is installed on the other window. When a person pushes the window provided with the sensor device 1, the distance between the magnetic member 20 and the sensing member 10 changes, i.e. the distance between the permanent magnet 25 and the sensing sensor 143 is greater than 15 mm. The magnetic field changes as the distance increases, causing the inductive sensor 143 to close, causing a short circuit, which causes the inductive sensor 143 to convert the magnetic signal into an electrical signal. The processor 145 receives the electrical signal and controls the indicator lamp 142 to emit light, and controls the antenna 144 to transmit the opening information of the window to the user terminal, so that the user can check the opening condition of the window on the terminal equipment, and the effects of anti-dismounting and anti-theft are achieved.

2. The sensing members 10 acting alone

After the sensor 10 is mounted, the detection switch 147 abuts against the abutting boss 125, and the detection switch 147 (pressure sensitive switch) is in a closed state due to the pressure applied by the abutting boss 125. When the first housing 11 or the second housing 12 is disassembled, the detection switch 147 is away from the abutting boss 125, the detection switch 147 is no longer pressed against the boss 125, at this time, the detection switch 147 turns to the open state, the processor 145 is in the on state and controls the indicator lamp 142 to emit light, and the antenna 144 is controlled to transmit the opening information of the window to the user terminal, so that the user can check the opening condition of the window on the terminal device, and the effects of preventing detachment and theft are achieved.

To sum up, the embodiment of the utility model provides a detection switch 147 of response piece 10 and sensor device 1 supports to lean on boss 125 for sensor device 1 homoenergetic produces alarm signal when door and window is opened and when taking apart first casing 11 or second casing 12, has promoted sensor device 1's security performance.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (11)

1. An inductive element, comprising:

a first housing;

the second shell and the first shell are matched to form an accommodating space, and the second shell comprises an abutting boss positioned in the accommodating space; and

the circuit board assembly is contained in the containing space and comprises a circuit board, a processor and a detection switch, the processor and the detection switch are installed on the circuit board, the detection switch is abutted against the abutting boss, the processor is connected with the detection switch, and the processor generates an alarm signal when the detection switch leaves the abutting boss.

2. The induction member according to claim 1, further comprising a middle frame located in the receiving space, wherein the circuit board assembly is fixedly mounted on the middle frame, the middle frame is provided with a mounting hole corresponding to the abutting boss, and the detection switch passes through the mounting hole and abuts against the abutting boss.

3. The inductive element of claim 2, wherein said circuit board assembly is vertically fixedly mounted to said center frame.

4. The sensor of claim 2, wherein the middle frame is engaged with the first housing.

5. The inductive element of claim 1, further comprising a battery received in the receiving space, the battery being adjacent to and electrically connected to the circuit board assembly to provide power to the circuit board assembly.

6. The sensing member as claimed in claim 1, wherein the circuit board assembly further includes a sensing sensor, an indicator light and an antenna, the sensing sensor, the indicator light and the antenna are all mounted on the circuit board, the sensing sensor is used for detecting a state of a door or a window and outputting state information, the sensing sensor is electrically connected with the processor to transmit the state information to the processor, the indicator light and the antenna are electrically connected with the processor, the antenna is used for transmitting the alarm signal to a user terminal, and the indicator light is turned on when the processor generates the alarm signal.

7. The inductive element of claim 6, further comprising a button mounted to said first housing, said first housing defining a first through hole corresponding to said button to expose said button, said circuit board assembly further comprising a contact switch mounted to said circuit board, said contact switch cooperating with said button.

8. A sensor device comprising a magnetic member and an inductive member according to any one of claims 1 to 7, the circuit board assembly comprising an inductive sensor, the magnetic member cooperating with the inductive sensor to cause the processor to generate an alarm signal when the inductive sensor leaves the range of action of the magnetic member.

9. The sensor device of claim 8, wherein the sensing element is provided with a first marking line and the magnetic element is provided with a second marking line, the first marking line and the second marking line cooperating to align the magnetic element and the sensing element when mounted.

10. The sensor device of claim 8, wherein the magnetic member comprises a first cover, a second cover, and a permanent magnet, the first cover and the second cover being engaged to receive the permanent magnet.

11. The sensor device of claim 10, wherein a side of the second cover body close to the first cover body comprises a plurality of limiting ribs, and the permanent magnet is engaged with the plurality of limiting ribs.

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