CN216645221U - Door and window angle detection device and electric appliance - Google Patents
Door and window angle detection device and electric appliance Download PDFInfo
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- CN216645221U CN216645221U CN202220131390.6U CN202220131390U CN216645221U CN 216645221 U CN216645221 U CN 216645221U CN 202220131390 U CN202220131390 U CN 202220131390U CN 216645221 U CN216645221 U CN 216645221U
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- hinge
- window angle
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Abstract
The application provides door and window angle detection device and electrical apparatus, door and window angle detection device includes: a housing provided with an accommodating chamber; the magnet is rotatably arranged on the shell, is connected with the hinge and rotates along with the hinge, and the magnetization direction of the magnet is vertical to the rotation axis; and the magnetic induction element is arranged in the accommodating cavity and used for detecting the rotation angle of the magnet in a magnetic induction mode. The utility model provides a door and window angle detection device includes casing, magnet and magnetic induction element, and when the door was opened, the hinge rotation was followed to the magnet, and magnetic induction element detects the turned angle of magnet to learn the opening angle of door, be favorable to doing specific, intelligent analysis to the open mode of door.
Description
Technical Field
The application belongs to the technical field of doors and windows, and more specifically relates to a door and window angle detection device and an electric appliance.
Background
In daily life, the open and close state of a door or window is often a concern. Patent document CN206819490U discloses a door sensor that can detect whether a door is open or closed by cooperation of a magnet assembly and a door sensor. However, in some cases, it is not sufficient to determine whether the door is open or closed. The recognizable state of the existing door magnet to the door is limited, and the application situation that the opening angle of the door needs to be intelligently recognized cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a door and window angle detection device and an electrical apparatus, so as to solve the technical problem that the recognizable state of a door magnet to a door is few in the prior art.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a door/window angle detection device including:
a housing provided with an accommodating chamber;
the magnet is rotatably arranged on the shell and is used for being connected with the hinge and rotating along with the hinge, and the magnetization direction of the magnet is perpendicular to the rotation axis;
and the magnetic induction element is arranged in the accommodating cavity and used for detecting the rotation angle of the magnet in a magnetic induction mode.
Optionally, the magnet is connected to the hinge by means of an adhesive.
Optionally, the magnetic hinge further comprises a connecting piece, the connecting piece is used for being connected with the hinge and rotating along with the hinge, and the connecting piece is connected with the magnet in a concave-convex matching mode.
Optionally, one of the connecting piece and the magnet is provided with a groove, and the other is provided with an insertion portion for inserting into the groove, and the cross-sectional shape of the insertion portion and the cross-sectional shape of the groove are both non-circular.
Optionally, the magnetic device further comprises a connecting shaft, the magnet is provided with a through hole for the connecting shaft to pass through, one end of the connecting shaft is connected with the shell, and the outer diameter of the other end of the connecting shaft is larger than the diameter of the through hole.
Optionally, a protrusion is disposed on one side of the casing close to the magnet, one end of the connecting shaft is connected with the protrusion, and the outer diameter of the protrusion is larger than the diameter of the through hole.
Optionally, the magnetic induction element is provided on one side of the magnet in the axial direction.
Optionally, the magnetic induction element comprises any one or more of an anisotropic magnetoresistance, a giant magnetoresistance, a tunneling magnetoresistance, and a hall sensor.
Optionally, still include the circuit board, the circuit board is located hold the intracavity, magnetic induction element locates the circuit board, the circuit board still is equipped with the computational unit, the computational unit is used for according to the signal calculation of magnetic induction element feedback the turned angle and/or the slew velocity of magnet.
The application still provides an electrical apparatus, electrical apparatus includes machine body, the door body, hinge and the door and window angle detection device of any of the aforesaid, the door body pass through the hinge install in machine body, the casing install in machine body.
The application provides a door and window angle detection device's beneficial effect lies in: compared with the prior art, the door and window angle detection device of this application includes casing, magnet and magnetic induction element, and when the door was opened, the hinge rotation was followed to the magnet, and magnetic induction element detects the turned angle of magnet to learn the opening angle of door, be favorable to doing specific, intelligent analysis to the open mode of door.
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 embodiments or the prior art descriptions will be briefly described 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 inventive exercise.
Fig. 1 is a schematic structural view of a door/window angle detection device according to an embodiment of the present disclosure;
fig. 2 is an exploded view of a door/window angle detection apparatus according to an embodiment of the present disclosure;
fig. 3 is a sectional view of a door/window angle detection apparatus according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a magnet provided in an embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
100-door and window angle detection device, 10-shell, 101-containing cavity, 11-front shell, 12-rear shell, 13-bulge, 20-magnet, 201-through hole, 21-insertion part, 211-notch, 30-magnetic induction element, 40-connecting piece, 401-groove, 50-connecting shaft, 60-circuit board and 900-hinge.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to fig. 3, a description will now be given of a door/window angle detecting device 100 according to an embodiment of the present application. The door/window angle detecting device 100 includes: the magnetic sensor includes a housing 10, a magnet 20, a magnetic induction element 30, a connector 40, a connecting shaft 50, and a circuit board 60.
The housing 10 is provided with an accommodating chamber 101; the magnet 20 is rotatably arranged on the shell 10, the magnet 20 is used for connecting with the hinge 900 and rotating along with the hinge 900, and the magnetization direction of the magnet 20 is vertical to the rotation axis; a magnetic induction element 30 is provided in the housing chamber 101, and the magnetic induction element 30 is used for magnetically inducing detection of the rotation angle of the magnet 20.
The application provides a door and window angle detection device 100's beneficial effect lies in: compared with the prior art, the door and window angle detection device 100 comprises the shell 10, the magnet 20 and the magnetic induction element 30, when the door is opened, the magnet 20 rotates along with the hinge 900, and the magnetic induction element 30 detects the rotation angle of the magnet 20, so that the opening angle of the door is known, and specific and intelligent analysis on the opening state of the door is facilitated.
The housing 10 may be composed of a plurality of parts as a mounting base of the components of the door/window angle detecting device 100. The housing 10 may include a front case 11 and a rear case 12, and the front case 11 and the rear case 12 are enclosed to form an accommodating chamber 101. The front and rear housings 11, 12 may both be made of a magnetically permeable material, such as plastic or an aluminum alloy.
The magnet 20 is used to generate a magnetic field, and the magnetic field rotates following the hinge 900. In some examples, the magnet 20 may be a magnet. It will be appreciated that the door is connected to the hinge 900 and that the hinge 900 and magnet 20 follow the door rotation during opening of the door. The hinge 900 may be a standard commercially available hinge 900 or may be a customized hinge 900. The hinge 900 may also be formed from multiple pieces.
The magnetic induction element 30 is used to detect the rotation angle of the magnet 20 by magnetic induction. The magnetic induction element 30 may include any one or more of Anisotropic Magnetoresistance (AMR), Giant Magnetoresistance (GMR), Tunnel Magnetoresistance (TMR), and hall sensor. In some examples, the magnetic induction element 30 may be embodied as a magnetic encoder, a magnetic encoding chip, or a hall effect based three-axis hall sensor.
In some examples, the magnetic induction element 30 may be disposed on one side of the magnet 20 in the axial direction, and such an arrangement may be referred to as "on-axis". In other examples, the magnetic induction element 30 may be disposed on one side of the magnet 20 in the radial direction, and this arrangement may be referred to as "off-axis".
In some examples, the magnet 20 may be attached to the hinge 900 by means of an adhesive. The magnet 20 or the hinge 900 may be coated with glue, or the magnet 20 or the hinge 900 may be provided with a double-sided adhesive tape, which may be in the form of a double-sided adhesive-backed colloid or cotton.
The door/window angle detecting apparatus 100 may further include a connecting member 40, wherein the connecting member 40 is configured to be connected to the hinge 900 and rotate along with the hinge 900, and the connecting member 40 is connected to the magnet 20 in a male-female fit manner. The male and female fitting may be a shaft hole fitting. One of the connector 40 and the magnet 20 is provided with a groove 401 and the other is provided with an insertion portion 21 for insertion into the groove 401, and the cross-sectional shape of the insertion portion 21 and the cross-sectional shape of the groove 401 are both non-circular. The insertion part 21 of the magnet 20 is inserted into the groove 401 of the connecting piece 40, the shape of the insertion part 21 is matched with the shape of the groove 401, and the insertion part 21 is non-circular, so that the connecting piece 40 can drive the magnet 20 to rotate, and the reliability of transmission can be improved.
Referring to fig. 2 to 4, in some examples, the connecting member 40 is provided with a groove 401, and the end of the magnet 20 close to the connecting member 40 is the insertion portion 21, for example, the magnet 20 may be generally cylindrical, and the end of the magnet 20 close to the connecting member 40 is formed with a notch 211 such that the cross-sectional shape is non-circular.
In other examples, the magnet 20 is provided with a recess 401 and the side of the connector 40 adjacent to the magnet 20 is provided with an insert 21.
Referring to fig. 3, in some examples, the magnet 20 is provided with a through-hole 201 through which the connection shaft 50 passes, and one end of the connection shaft 50 is connected to the case 10 and the other end has an outer diameter greater than the diameter of the through-hole 201. The coupling shaft 50 may limit the axial position of the magnet 20. The magnet 20 may rotate around the connecting shaft 50, or the magnet 20 may be fixedly connected to the connecting shaft 50, and the connecting shaft 50 may be rotatably connected to the housing 10. The side of the casing 10 close to the magnet 20 is provided with a protrusion 13, one end of the connecting shaft 50 is connected with the protrusion 13, and the outer diameter of the protrusion 13 is larger than the diameter of the through hole 201. The end of the connecting shaft 50 close to the hinge 900 is a head, the outer diameter of the head is larger than the diameter of the through hole 201, and the head of the connecting shaft 50 is matched with the protrusion 13 of the shell 10, so that the axial position of the magnet 20 can be limited. The connection shaft 50 may be in the form of a screw fixedly connected with the protrusion 13.
In other examples, the magnet 20 may be solid, and a mounting groove (not shown) may be provided on a side of the housing 10 adjacent to the hinge 900, and the magnet 20 may be rotatably placed in the mounting groove.
The circuit board 60 is arranged in the accommodating cavity 101, the magnetic induction element 30 is arranged on the circuit board 60, and the circuit board 60 is further provided with a calculating unit which is used for calculating the rotation angle and/or the rotation speed of the magnet 20 according to the signal fed back by the magnetic induction element 30. The housing 10 may protect the circuit devices within the receiving cavity 101. The computing unit may be a processor, which may be present as a chip. In some cases, the calculating unit and the magnetic induction unit may also be formed on the same chip. Based on the signals fed back from the magnetic induction elements 30, the calculation unit can calculate the rotation angle and the rotation speed of the magnet 20 (door). According to the opening angle and the opening speed of the door, software can judge the opening situation of the door through intelligent analysis, for example, whether a master pushes the door, whether a stranger pushes the door, whether the door is opened by wind, and the like are judged. In some cases, the door/window angle detection device 100 of the present application may be used for burglar alarm.
In some examples, the door window angle detecting apparatus 100 may be sold and installed for use as a complete product. When the magnetic body 20 is mounted, the bottom of the magnetic body is adhered to the shaft of the hinge 900 by an adhesive, and then the housing 10 is fixedly mounted to a wall. The door and window angle detection device 100 is simple in structure, convenient to install and beneficial to popularization and use on doors or windows of houses.
The door/window angle detecting apparatus 100 may be applied to a door or a window of a house, and may also be applied to a door of an electric appliance.
This application still provides an electrical apparatus, and electrical apparatus includes machine body, the door body, hinge and the door and window angle detection device of any of the above-mentioned, and the door body passes through the hinge to be installed in machine body, and casing 10 is installed in machine body. Door and window angle detection device can detect the opening angle and the opening speed of the door body, and software can judge the scene of opening of the door body through intelligent analysis, from this, can improve the safety in utilization, the convenience of electrical apparatus, lets electrical apparatus more intelligent. The appliances may include, but are not limited to, refrigerators, ovens, dishwashers, and washing machines, among others.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A door and window angle detecting device, comprising:
a housing provided with an accommodating chamber;
the magnet is rotatably arranged on the shell and is used for being connected with the hinge and rotating along with the hinge, and the magnetization direction of the magnet is perpendicular to the rotation axis;
and the magnetic induction element is arranged in the accommodating cavity and used for detecting the rotation angle of the magnet in a magnetic induction mode.
2. The door window angle detecting device of claim 1, wherein:
the magnet is connected with the hinge in a bonding mode.
3. The door window angle detecting device of claim 1, wherein:
the magnetic iron-core-shell magnet-fixing device is characterized by further comprising a connecting piece, wherein the connecting piece is used for being connected with the hinge and rotating along with the hinge, and the connecting piece is connected with the magnet in a concave-convex matching mode.
4. The door window angle detecting device according to claim 3, wherein:
one of the connecting piece and the magnet is provided with a groove, the other one of the connecting piece and the magnet is provided with an inserting part for inserting into the groove, and the cross section shape of the inserting part and the cross section shape of the groove are both non-circular.
5. The door window angle detecting device of claim 1, wherein:
the magnet is provided with a through hole for the connecting shaft to pass through, one end of the connecting shaft is connected with the shell, and the outer diameter of the other end of the connecting shaft is larger than the diameter of the through hole.
6. The door window angle detecting device of claim 5, wherein:
the magnet is arranged on the shell, a protrusion is arranged on one side, close to the magnet, of the shell, one end of the connecting shaft is connected with the protrusion, and the outer diameter of the protrusion is larger than that of the through hole.
7. The door window angle detecting device of claim 1, wherein:
the magnetic induction element is arranged on one side of the magnet along the axial direction.
8. The door window angle detecting device of claim 1, wherein:
the magnetic induction element comprises any one or more of anisotropic magnetoresistance, giant magnetoresistance, tunnel magnetoresistance and Hall sensors.
9. The door window angle detecting device of claim 1, wherein:
still include the circuit board, the circuit board is located hold the intracavity, magnetic induction element locates the circuit board, the circuit board still is equipped with the computational element, the computational element is used for the basis signal calculation of magnetic induction element feedback the turned angle and/or the slew velocity of magnet.
10. An electrical appliance, characterized by:
the electric appliance comprises a machine body, a door body, a hinge and the door and window angle detection device as claimed in any one of claims 1 to 9, wherein the door body is mounted on the machine body through the hinge, and the shell is mounted on the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220131390.6U CN216645221U (en) | 2022-01-18 | 2022-01-18 | Door and window angle detection device and electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220131390.6U CN216645221U (en) | 2022-01-18 | 2022-01-18 | Door and window angle detection device and electric appliance |
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| Publication Number | Publication Date |
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| CN216645221U true CN216645221U (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220131390.6U Active CN216645221U (en) | 2022-01-18 | 2022-01-18 | Door and window angle detection device and electric appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115166925A (en) * | 2022-06-23 | 2022-10-11 | 深圳市乐其网络科技有限公司 | Lens frame, lens subassembly and shading fill |
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2022
- 2022-01-18 CN CN202220131390.6U patent/CN216645221U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115166925A (en) * | 2022-06-23 | 2022-10-11 | 深圳市乐其网络科技有限公司 | Lens frame, lens subassembly and shading fill |
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