CN213401000U - Toppling detection switch device, toppling detection circuit, dehumidifier and household appliance - Google Patents
Toppling detection switch device, toppling detection circuit, dehumidifier and household appliance Download PDFInfo
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- CN213401000U CN213401000U CN202023020012.0U CN202023020012U CN213401000U CN 213401000 U CN213401000 U CN 213401000U CN 202023020012 U CN202023020012 U CN 202023020012U CN 213401000 U CN213401000 U CN 213401000U
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Abstract
The utility model provides an empty and detect switching device, empty detection circuitry, dehumidifier and domestic appliance. The toppling detection switch device comprises a device main body and a touch piece fixed on the device main body, wherein the touch piece is a conductor; the toppling detection switch device also comprises a connecting piece and a swinging piece, wherein the connecting piece and the swinging piece are both conductors; the swinging piece is swingably suspended in the device body through a connecting piece, and the swinging piece is provided with a swinging tail end; the conductor is fixedly arranged on the periphery of the swinging tail end, and the swinging tail end can be contacted with the touch piece. The dumping detection circuit comprises a dumping detection switch device, and the dehumidifier and the household appliance comprise a dumping detection circuit. The toppling detection switch device not only has simple structure and reduced cost, but also effectively improves the applicability because of smaller volume.
Description
Technical Field
The utility model relates to a domestic appliance's detection device, concretely relates to empty and detect switching device, empty detection circuitry, dehumidifier and domestic appliance.
Background
The existing anti-toppling switch comprises a metal support, a cavity is formed in the metal support, a micro switch is arranged in the cavity, a contact of the micro switch is downwards arranged and is just opposite to a sinking platform located below the micro switch, the sinking platform is provided with a through hole, a connecting rod with a limiting baffle at the top end penetrates through the through hole from bottom to top and is prevented from dropping under the blocking of the limiting baffle, and a counterweight ball is connected to the bottom of the connecting rod. When the electrical appliance where the anti-toppling switch is positioned topples, the connecting rod inclines relative to the metal support, and the limiting baffle swings upwards to touch the contact of the micro switch.
The existing anti-toppling switch has the problems that a microswitch is required to be additionally arranged besides a movement structure, the structure is complex and the cost is high. In addition, the swing of the connecting rod relative to the metal support is not performed along a base point or an axis, the swing of the connecting rod is freely hindered by the limiting baffle, and in order to ensure that the connecting rod can swing more smoothly, a counterweight ball with large mass is generally selected, so that the size and the weight are influenced, and the use scene is limited.
SUMMERY OF THE UTILITY MODEL
A first object of the present invention is to provide a contact-type toppling detection switch device with a simple structure.
A second object of the present invention is to provide an empty detection circuit with simple structure.
A third object of the present invention is to provide a dehumidifier having the above-mentioned empty detecting circuit.
A fourth object of the present invention is to provide a household electrical appliance with the above-mentioned falling detection circuit.
The utility model discloses a first purpose provides a toppling detection switch device, which comprises a device main body and a touch piece fixed on the device main body, wherein the touch piece is a conductor; the toppling detection switch device also comprises a connecting piece and a swinging piece, wherein the connecting piece and the swinging piece are both conductors; the swinging piece is swingably suspended in the device body through a connecting piece, and the swinging piece is provided with a swinging tail end; the touch piece is located the periphery of swing end, and the swing end can contact with the touch piece.
It is visible by above-mentioned scheme, the utility model discloses cancellation micro-gap switch's use, swing and touching constitute the switch fracture, take place to empty as domestic appliance, swing and with touching the touching realization closure promptly and accomplish the detection. The swinging piece can swing in a hinged mode, a spherical hinge mode or a flexible piece mode, the swinging of the swinging piece is not hindered, the counterweight quality requirement is low, the dumping detection switch device is simple in structure, the cost is reduced, and the applicability of the dumping detection switch device is effectively improved due to the small size.
The further proposal is that one of the connecting piece and the swinging piece is provided with a hinge ball, the other of the connecting piece and the swinging piece is provided with a ball seat, and the ball seat and the hinge ball which are mutually matched form a ball hinge mechanism.
From top to bottom, the setting up of ball pivot mechanism makes to empty and detect switching device and can realize 360 degrees and empty the detection.
In a further aspect, the connecting member is a flexible member.
From the above, this setting also makes toppling over and detects switching device and can realize 360 degrees and topple over and detect.
Further, the swinging member includes an extension portion extending in a straight line to a swinging end.
Therefore, the extending part is arranged to extend the swinging part, the gravity center is lowered to provide swinging capability, and the detection sensitivity is improved.
The further scheme is that the inner periphery of the touch piece is provided with a touch surface, and the touch surface is positioned on the cylindrical surface.
In a further embodiment, the base point of the pivoting element is located on a generatrix of the cylindrical surface.
As can be seen from the above, the distances between the touch surface and the swing base point of the swing member are equal, and the detected tilt angles in the respective directions are the same.
Further, the device body comprises an insulating cavity; the connecting piece, the swinging piece and the touch piece are all positioned in the insulating cavity.
In a further aspect, the device body further comprises a housing; the shell covers the insulating cavity.
From the above, the device main body not only realizes a good shielding effect, but also can protect the switch structure itself.
The toppling detection switch device further comprises a first pin and a second pin which are arranged on the device body; the first pin is electrically connected with the connecting piece, and the second pin is electrically connected with the touch piece.
From top to bottom, empty and detect switching device and can regard as components and parts lug weld on the circuit, use scene and range of application are wider.
A second object of the present invention is to provide a tilt detection circuit, comprising a tilt detection switch device, a controller and a power input terminal; the toppling detection device adopts the toppling detection switch device; the power supply input end is electrically connected with the controller; one of the first electrode and the second electrode of the falling detection switch device is electrically connected to the power input terminal, and the other of the first electrode and the second electrode is grounded.
According to the scheme, when the dumping detection switch device is switched off, the controller receives a high level signal, and when the dumping detection switch device is switched on, the controller receives a low level signal, so that dumping detection is performed. Detection circuitry is ripe and easily realize, combines the utility model discloses a detection switch device is emptyd can satisfy the detection demand of emptying of various scenes and scope.
The utility model discloses the dehumidifier that the third purpose provided is including empting detection circuitry, empting detection circuitry and adopting foretell detection circuitry that empties.
The utility model discloses fourth mesh's domestic appliance who provides is including empting detection circuitry, emptys detection circuitry and adopts foretell detection circuitry that emptys.
Drawings
Fig. 1 is a cross-sectional view showing a first state of the first embodiment of the empty detecting switch device of the present invention.
Fig. 2 is a sectional view showing a second state of the first embodiment of the empty detecting switch device of the present invention.
Fig. 3 is a circuit diagram of an embodiment of the falling detection circuit of the present invention.
Fig. 4 is a sectional view of a second embodiment of the empty detection switch device of the present invention.
Detailed Description
First embodiment of the falling detection switch device
Referring to fig. 1, fig. 1 is a cross-sectional view of a first embodiment of the empty detecting switch device of the present invention in a first state. The present embodiment is a tilt detection switch device 1 which has a simple structure and a small volume and can be soldered to a circuit board as a component. The tilt detection switch device 1 includes a cylindrical device body 2, the device body 2 includes an insulating cavity 22 and a housing 21 covering the insulating cavity 22, and a working space 200 is formed inside the insulating cavity 22. The bottom of the device body 2 extends out of the first pin 61 and the second pin 62, and both the first pin 61 and the second pin 62 extend into the working space 200 through wires. The first pin 61 serves as a first electrode of the toppling detection switching device 1, and the second pin 62 serves as a second electrode of the toppling detection switching device 1.
The toppling detection switch device 1 further includes a connecting member 3, a swinging member 4, and a touching member 5 provided in the work space 200, and the connecting member 3, the swinging member 4, and the touching member 5 are conductors. The connecting member 3 is fixed at the center of the top wall of the insulating cavity 22, and the bottom of the connecting member 3 is a downwardly disposed ball seat 31, and the ball seat 31 has a ball socket. The first pin 61 is electrically connected to the connector 3 by a wire.
The oscillating member 4 includes a hinge ball 41 at its top end and an extension 43 extending downward from the hinge ball 41, the extension 43 extending in a straight line to an extension end 42 of the oscillating member 4, the extension 43 being a cylindrical body. The hinge ball 41 is engaged in the socket of the ball seat 31 to form a ball hinge mechanism, and the swinging member 4 is suspended by its own weight, so that not only the electrical connection between the connecting member 3 and the swinging member 4 is realized, but also the swinging member 4 can swing along the swinging base point 40, and the swinging member 4 can swing with full freedom in the circumferential direction.
The touch piece 5 is a cylinder made of copper sheet, the touch piece 5 is attached to the inner wall surface of the bottom of the working space 200, the inner circumferential surface of the touch piece 5 is a touch surface 51, and the touch surface 51 is located on a cylindrical surface. The second pin 62 is electrically connected to the touch member 5 through a wire or directly.
With reference to fig. 1 and 2, fig. 2 is a sectional view of the second state of the first embodiment of the switch device for detecting toppling of the present invention. Since the contact member 5 is wound around the outer periphery of the extending end 42 of the swing member 4, when the apparatus body 2 is tilted to a predetermined angle, the swing member 4 swings until the extending end 42 comes into contact with the contact surface 51 of the contact member 5. The rocking base point 40 of the rocking part 4 is located on the generatrix 50 of the cylindrical surface on which the touching surface 51 is located, and the distance between the touching surface 51 and the rocking base point 40 of the rocking part 4 is equal at each position in the circumferential direction, and the detected tilt angles in each direction are the same. Wherein the detected tilt angle of the oscillating member 4 can be calculated by trigonometric function according to the length of the oscillating member 4 and the inner circumferential radius of the insulating cavity 22.
The utility model discloses a 1 cancellation of toppling over detection switch device uses micro-gap switch, and swing 4 constitutes the switch fracture with touching 5, takes place to topple over as domestic appliance, and swing 4 swings and realizes the closure promptly and accomplish the detection with touching 5 touching. The swing of the swing piece 4 is not hindered, so the requirement on the quality of the balance weight is low, the toppling detection switch device 1 is simple in structure and low in cost, and the applicability of the toppling detection switch device is effectively improved due to the small size.
Embodiments of a circuit for detecting toppling
Referring to fig. 3, fig. 3 is a circuit diagram of an embodiment of the circuit for detecting toppling of the present invention. The toppling detection circuit includes the toppling detection switching device 1, the controller 71, the power input terminal 72, the first resistor R1, the second resistor R2, and the capacitor C1. A first end of the first resistor R1 is electrically connected to the power input terminal 72, a second end of the first resistor R1 is electrically connected to a first end of the second resistor R2, the first pin 61 of the tilt detection switch device 1, and a first end of the capacitor C1, respectively, a second end of the second resistor R2 is electrically connected to the signal pin of the controller 71, and a second end of the capacitor C1 and the second pin 62 of the tilt detection switch device 1 are both grounded.
When the household appliance where the toppling detection switch device 1 is located is normally erected, the toppling detection switch device 1 is in an off state, an electric signal sequentially passes through the first resistor R1 and the second resistor R2 from the power supply input end 72 and then reaches a signal pin of the controller 71, and the controller 71 receives a high-level signal; when the household appliance in which the toppling detection switch device 1 is located topples, the toppling detection switch device 1 is in a closed state, the electric signal sequentially passes through the first resistor R1 and the toppling detection switch device 1 from the power input end 72 and then reaches the ground end, and the controller 71 receives a low-level signal. The controller 71 thus determines whether the household appliance is toppled.
The utility model also provides a dehumidifier and other domestic appliance who have above-mentioned detection circuitry of empting.
Second embodiment of the toppling detection switch device
Referring to fig. 4, fig. 4 is a sectional view of a second embodiment of the switch device for detecting falling of the present invention. In this embodiment, the connecting member 81 is a flexible member and is a conductor, and correspondingly, the swinging member 82 is a metal rod extending along a straight line as a whole, without providing a hinge ball. This arrangement also enables the oscillating member 82 to oscillate with a full degree of freedom in the circumferential direction.
In other embodiments, the hinge ball is disposed on the connecting member and the ball seat is disposed on the oscillating member.
In other embodiments, the connection may also be a universal joint.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (12)
1. The toppling detection switch device comprises a device main body and a touch piece fixed on the device main body, wherein the touch piece is a conductor;
the method is characterized in that:
the toppling detection switch device also comprises a connecting piece and a swinging piece, wherein the connecting piece and the swinging piece are both conductors;
the swinging piece is swingably hung in the device main body through the connecting piece, and the swinging piece is provided with a swinging end;
the touch piece is positioned on the periphery of the swinging tail end, and the swinging tail end can be contacted with the touch piece.
2. The pour detection switch device according to claim 1, characterized in that:
one of the connecting piece and the swinging piece is provided with a hinge ball, the other of the connecting piece and the swinging piece is provided with a ball seat, and the ball seat and the hinge ball which are matched with each other form a ball hinge mechanism.
3. The pour detection switch device according to claim 1, characterized in that:
the connecting piece is a flexible piece.
4. The pour detection switch device according to any one of claims 1 to 3, characterized in that:
the oscillating piece includes an extension portion extending in a straight line to the oscillation end.
5. The pour detection switch device according to any one of claims 1 to 3, characterized in that:
the inner periphery of the touch piece is provided with a touch surface, and the touch surface is positioned on the cylindrical surface.
6. The pour detection switch device according to claim 5, wherein:
the swinging base point of the swinging piece is positioned on the generatrix of the cylindrical surface.
7. The pour detection switch device according to any one of claims 1 to 3, characterized in that:
the device body comprises an insulating cavity;
the connecting piece, the swinging piece and the touch piece are all located in the insulating cavity.
8. The pour detection switch device according to claim 7, wherein:
the device body further comprises a housing, which covers the insulating cavity.
9. The pour detection switch device according to any one of claims 1 to 3, characterized in that:
the toppling detection switch device further comprises a first pin and a second pin which are arranged on the device body;
the first pin is electrically connected with the connecting piece, and the second pin is electrically connected with the touch piece.
10. A toppling detection circuit comprising a toppling detection switch device, a controller and a power supply input end;
the method is characterized in that:
the toppling detection device employs the toppling detection switch device of any one of claims 1 to 9;
the power supply input end is electrically connected with the controller;
one of a first electrode and a second electrode of the falling detection switch device is electrically connected to the power input terminal, and the other of the first electrode and the second electrode is grounded.
11. Dehumidifier, including empting detection circuitry, its characterized in that: the fall detection circuit as claimed in claim 10.
12. Domestic appliance, including empting detection circuitry, its characterized in that: the fall detection circuit as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023020012.0U CN213401000U (en) | 2020-12-14 | 2020-12-14 | Toppling detection switch device, toppling detection circuit, dehumidifier and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023020012.0U CN213401000U (en) | 2020-12-14 | 2020-12-14 | Toppling detection switch device, toppling detection circuit, dehumidifier and household appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213401000U true CN213401000U (en) | 2021-06-08 |
Family
ID=76196803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023020012.0U Active CN213401000U (en) | 2020-12-14 | 2020-12-14 | Toppling detection switch device, toppling detection circuit, dehumidifier and household appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213401000U (en) |
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2020
- 2020-12-14 CN CN202023020012.0U patent/CN213401000U/en active Active
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