TWM585895U - Displacement sensing device - Google Patents

Abstract

This creation discloses a displacement sensing device including a first magnetic unit, a second magnetic unit, a first sensing unit, and a second sensing unit. The first magnetic unit is disposed on the first object, and the first magnetic unit has a first magnetic field. The second magnetic unit is disposed on the first object and is adjacent to the first magnetic unit. The second magnetic unit is non-parallel to the first magnetic unit, and the second magnetic unit has a second magnetic field. The first sensing unit is disposed on the second object and corresponds to the first magnetic unit. The second sensing unit is disposed on the second object and corresponds to the second magnetic unit. When the first sensing unit detects a change in the first magnetic field, the first sensing unit generates a first abnormal signal; or when the second sensing unit detects a change in the second magnetic field, the second sensing unit A second abnormal signal is generated. In this way, the displacement sensing device provided by this creation can improve the accuracy of detection.

Description

Displacement sensing device

The present invention relates to a sensing device, and more particularly to a displacement sensing device for detecting the displacement of an object.

With the continuous improvement of people's awareness of security and anti-theft, more and more people choose to install sensors on the doors or windows of their homes, and install matching monitoring systems to monitor and protect their home assets. When the door or window is opened maliciously, the sensor senses the open or closed state of the door or window and sends an alarm to the user through the security monitoring system to remind the user to deal with it in time to reduce the user's property loss.

Most current sensing methods use a single magnetic sensing element to detect the opening and closing status of doors and windows, so that intruders can use magnets to approach the magnetic sensing element to confuse the sensing results of the magnetic sensing element, causing misjudgment of the magnetic sensing element. , Which in turn causes hidden dangers to the safety of people and property.

The technical problem to be solved in this creation is to provide a displacement sensing device for the shortcomings of the prior art to solve the problems existing in the conventional technology.

In order to solve the above technical problems, one of the technical solutions adopted in this creation is to provide a displacement sensing device, which includes a first magnetic unit, a second magnetic unit, a first sensing unit and a second sensing unit. Test unit. The first magnetic unit is disposed on a first object, and the first magnetic unit has a first magnetic field. A second magnetic unit is disposed on the first object and is adjacent to the first magnetic unit. The second magnetic unit is non-parallel to the first magnetic unit, and the second magnetic unit has a second magnetic field. The first sensing unit is disposed on a second object and corresponds to the first magnetic unit. The second sensing unit is disposed on the second object and corresponds to the second magnetic unit. Wherein, when the first sensing unit detects a change in the first magnetic field, the first sensing unit generates a first abnormal signal; or, when the second sensing unit detects that the second magnetic field is generated, When changing, the second sensing unit generates a second abnormal signal.

One of the beneficial effects of this creation is that the displacement sensing device provided by this creation can be set on a first object through "a first magnetic unit, the first magnetic unit having a first magnetic field", "a second The magnetic unit is disposed on the first object and is adjacent to the first magnetic unit. The second magnetic unit is non-parallel to the first magnetic unit, and the second magnetic unit has a second magnetic field. The sensing unit is disposed on a second object and corresponds to the first magnetic unit "," the second sensing unit is disposed on the second object and corresponds to the second magnetic unit "and" on the first When the sensing unit detects a change in the first magnetic field, the first sensing unit generates a first abnormal signal; or, when the second sensing unit detects a change in the second magnetic field, the second The "sensing unit generates a second abnormal signal" technical solution to improve the accuracy of detection.

In order to better understand the features and technical contents of this creation, please refer to the following detailed description and drawings about this creation. However, the drawings provided are only for reference and explanation, and are not intended to limit this creation.

The following is a description of the implementation of the “displacement sensing device” disclosed in this creation through specific embodiments. Those skilled in the art can understand the advantages and effects of this creation from the content disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the concept of this creation. In addition, the drawings of this creation are only for simple and schematic illustrations, and are not drawn in actual size, so stated in advance. The following embodiments will further describe the technical content of this creation in detail, but the disclosed content is not intended to limit the scope of protection of this creation.

It should be understood that although the terms “first,” “second,” and “third” may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are mainly used to distinguish one element from another element, or a signal from another signal. In addition, the term "or" as used herein should, depending on the actual situation, include any one or more of the associated listed items.

[First embodiment]

Please refer to FIG. 1 to FIG. 3, which are a schematic structural diagram of a displacement sensing device according to the first embodiment of the present invention, an enlarged schematic view of part II in FIG. 1, and a schematic diagram of a usage state of the displacement sensing device according to the first embodiment of the present invention. . As shown in the figure, the first embodiment of the present invention provides a displacement sensing device Z, which includes a first magnetic unit 1, a second magnetic unit 2, a first sensing unit 3, and a second sensing unit 4 . The first magnetic unit 1 is disposed on a first object S1. The first magnetic unit 1 has a first magnetic field 10. The second magnetic unit 2 is disposed on the first object S1 and is adjacent to the first magnetic unit 1. The second magnetic unit 2 and the first magnetic unit 1 are non-parallel. The second magnetic unit 2 has a second magnetic field 20. The first sensing unit 3 is disposed on a second object S2 and corresponds to the first magnetic unit 1. The second sensing unit 3 is disposed on the second object S2 and corresponds to the second magnetic unit 2. Wherein, when the first sensing unit 3 detects a change in the first magnetic field 10, the first sensing unit 3 generates a first abnormal signal; or, when the second sensing unit 4 detects that the second magnetic field 20 generates, When changing, the second sensing unit 4 generates a second abnormal signal.

Specifically, the displacement sensing device Z provided in the first embodiment of the present invention may be applied to a door or a window of a building. In this embodiment, a window is used as an example, but is not limited thereto. The original displacement sensing device Z includes a first magnetic unit 1, a second magnetic unit 2, a first sensing unit 3, and a second sensing unit 4. The first magnetic unit 1 and the second magnetic unit 2 may be magnets. Or other magnetic elements, the first sensing unit 3 and the second sensing unit 4 may be magnetic force sensing elements, preferably Hall elements. The first magnetic unit 1 and the second magnetic unit 2 may be disposed on the first object S1 (such as a glass window), and the first sensing unit 3 and the second sensing unit 4 may be disposed on the second object S2 (such as a window frame). Wherein, the first magnetic unit 1 and the second magnetic unit 2 may also be disposed on the second object S2, and the first sensing unit 3 and the second sensing unit 4 are disposed on the first object S1. The first magnetic unit 1 and the second magnetic unit 2 are disposed in a non-parallel manner. According to FIGS. 1 to 3, the first magnetic unit 1 and the second magnetic unit 2 may be disposed perpendicular to each other. The first magnetic unit 1 has a first magnetic field 10, and the second magnetic unit 2 has a second magnetic field 20, and the magnetic fields of the first magnetic field 10 and the second magnetic field 20 have different directions.

Therefore, before the window is not opened, the first sensing unit 3 continuously senses the first magnetic field 10 of the first magnetic unit 1, and the second sensing unit 4 continuously senses the second magnetic field 20 of the second magnetic unit 2. As shown in FIG. 3, when the window is opened, the first sensing unit 3 and the second sensing unit 4 are displaced relative to the first magnetic unit 1 and the second magnetic unit 2, so that the first sensing unit 3 detects When the first magnetic field 10 changes, the second sensing unit 4 detects a change in the second magnetic field 20, or both the first sensing unit 3 and the second sensing unit 4 detect a change in the magnetic field. Then, the first sensing unit 3 generates a first abnormal signal, the second sensing unit 4 generates a second abnormal signal, or both generate an abnormal signal, thereby reminding the user that an outsider has invaded the building.

As a result, intruders cannot guess how to place the first magnetic unit 1 and the second magnetic unit 2. Therefore, with the above-mentioned displacement sensing device Z, the accuracy of detection can be improved, and the building can be improved. Security inside.

Further, when the second object S2 is displaced relative to the first object S1 and the distance between the first magnetic unit 1 and the first sensing unit 3 is changed, the first sensing unit 3 detects the first The magnetic field 10 changes. Alternatively, when the second object S2 is displaced relative to the first object S1 and the distance between the second magnetic unit 2 and the second sensing unit 4 is changed, the second sensing unit 4 detects a second magnetic field. 20 makes a difference.

For example, as shown in FIG. 3, when the window is opened, that is, when the second object S2 is displaced relative to the first object S1, the distance between the first magnetic unit 1 and the first sensing unit 3 changes. And the distance between the second magnetic unit 2 and the second sensing unit 4 also changes, so the first magnetic field 10 detected by the first sensing unit 3 will change, or the second sensing unit The detected second magnetic field 20 also changes. Then, the first sensing unit 3 generates a first abnormal signal, the second sensing unit 4 generates a second abnormal signal, or both generate an abnormal signal.

However, the above-mentioned example is only one of the feasible embodiments and is not intended to limit the present invention.

[Second embodiment]

Please refer to FIG. 4, which is a functional block diagram of the displacement sensing device according to the second embodiment of the present invention, and refer to FIG. 1 to FIG. 3 together. As shown in the figure, the displacement sensing device Z of this embodiment operates similarly to the same components of the displacement sensing device Z of the first embodiment described above, and will not be repeated here. It is worth noting that, in this embodiment, The displacement sensing device Z further includes a warning unit 5 electrically connected to the first sensing unit 3 and the second sensing unit 4. The warning unit 5 receives the first abnormal signal or the second abnormal signal to generate a warning. message. The warning message is a digital signal, light, sound, or a combination thereof.

For example, the displacement sensing device Z of the present invention may further include a warning unit 5, which may be a transmitter or an alarm. The warning unit 5 may be connected to the first sensing unit 3 and the second sensing unit 4 in an electrical connection or a communication connection manner. In this embodiment, the electrical connection is used as an example, but is not limited thereto. Therefore, when the warning unit 5 receives the first abnormal signal, the second abnormal signal, or both, the warning unit 5 can generate a warning message accordingly, and transmit the warning message through communication or directly issue a warning message.

However, the above-mentioned example is only one of the feasible embodiments and is not intended to limit the present invention.

[Third embodiment]

Please refer to FIG. 5 to FIG. 8, which are schematic structural diagrams of a displacement sensing device according to the third embodiment of the present invention, an enlarged schematic diagram of a VI part in FIG. 5, and a schematic diagram of a usage state of the displacement sensing device according to the third embodiment of the present invention. And a functional block diagram of the displacement sensing device according to the third embodiment of the present invention, and please refer to FIG. 1 to FIG. 4 together. As shown in the figure, the displacement sensing device Z of this embodiment operates similarly to the same components of the displacement sensing device Z of the above embodiments, and will not be repeated here. It is worth noting that, in this embodiment, The displacement sensing device Z further includes a plurality of third magnetic units 6 and a power supply unit 7. A plurality of third magnetic units 6 are disposed on the first object S1. The power supply unit 7 is disposed on the second object S2 and is electrically connected to the warning unit 5. Wherein, when the second object S2 is displaced relative to the first object S1 and the power supply unit 7 is driven by the second object S2 and passes through the third magnetic unit 6, the power supply unit 7 and the third magnetic unit 6 are generated. An induction action generates an energy source; and the power supply unit 7 supplies energy to the warning unit 5.

Specifically, the displacement sensing device Z of the present creation further includes a plurality of third magnetic units 6 and a power supply unit 7, the plurality of third magnetic units 6 may be magnets or other magnetic elements, and the plurality of third magnetic units 6 It can be placed on the first object S1 at intervals. The power supply unit 7 is disposed on the second object S2 corresponding to the third magnetic unit 6, but it is not limited to this. The positions of the plurality of third magnetic units 6 and the power supply unit 7 can also be set. Alignment, that is, a plurality of third magnetic units 6 can be disposed on the second object S2, and the power supply unit 7 can be disposed on the first object S1. A distance between two adjacent third magnetic units 6 may be equal to or greater than a width of the third magnetic unit 6.

Therefore, when the second object S2 is displaced relative to the first object S1 (in this embodiment, the first object S1 may be a door frame or a wall surface, and the second object S2 may be an automatic door, but not limited thereto), the power supply The unit 7 can generate energy (such as electric energy) by sequentially inductive action with one of the third magnetic units 6 and supplies the energy to the warning unit 5 for use or storage by the warning unit 5.

Further, the power supply unit 7 may include at least one coil component 70 and at least one magnetic component 71. The at least one magnetic component 71 is disposed in the at least one coil component 70, and the at least one coil component 70 and the at least one magnetic component 71 are subject to a second object When driven by S2 and passing through part of the third magnetic unit 6, at least one magnetic element 71 and part of the third magnetic unit 6 generate an inductive action, so that at least one coil element 70 generates energy.

For example, as shown in FIG. 6 and FIG. 7, the power supply unit 7 of the present invention may include a coil component 70 and a magnetic component 71. In this embodiment, one of the coil component 70 and the magnetic component 71 is taken as an example, but not With this limitation, a plurality of coil components 70 and magnetic components 71 may be used. Therefore, during the displacement of the second object S2 relative to the first object S1, when the magnetic member 71 corresponds to one of the third magnetic units 6, a magnetic attraction effect is generated with this third magnetic unit 6, and toward this direction The third magnetic unit 6 approaches (i.e. moves upward); when the magnetic member 71 is driven between the two third magnetic units 6 by the second object S2, the magnetic member 71 is affected by the ground because the magnetic attraction is eliminated. Gravitational pull away from the third magnetic unit 6 (ie downward displacement). The magnetic member 71 and the third magnetic unit 6 intermittently attract magnetic force in sequence, thereby generating a reciprocating motion in the coil member 70, so that the coil member 70 generates energy (ie, electrical energy).

Furthermore, the power supply unit 7 further includes a rectifier 72 which is electrically connected to at least one coil component 70 and the warning unit 5. The rectifier 72 receives and converts energy to generate DC power, and the rectifier 72 transmits DC power to Warning unit 5.

For example, with reference to FIGS. 6 and 7, the power supply unit 7 of the present invention may further include a rectifier 72, which may be a rectifier, but is not limited thereto. The rectifier 72 may include an inductor, a diode, and a capacitor (not labeled in the figure). Therefore, after the coil component 70 generates energy, the energy can be converted into transient DC power by the rectifier 72 and supplied to the warning unit 5.

Furthermore, the warning unit 5 may have an energy storage element 50 electrically connected to the power supply unit 7 to store the energy supplied by the power supply unit 7.

For example, as shown in FIG. 6 to FIG. 8, the warning unit 5 of the present invention may have an energy storage element 50, which may be a battery capable of being repeatedly charged and discharged, but is not limited thereto. The energy storage device 50 can be electrically connected to the rectifier 72 of the power supply unit 7. Therefore, after the rectifier 72 converts the energy into DC power, the energy storage device 50 can store the DC power and provide the internal components of the warning unit 5 for use.

However, the above-mentioned example is only one of the feasible embodiments and is not intended to limit the present invention.

[Advantageous Effects of the Embodiment]

One of the beneficial effects of this creation is that the displacement sensing device Z provided by this creation can be placed on a first object S1 through "the first magnetic unit 1, and the first magnetic unit 1 has a first magnetic field 10" "" The second magnetic unit 2 is disposed on the first object S1 and is adjacent to the first magnetic unit 1, the second magnetic unit 2 and the first magnetic unit 1 are non-parallel, and the second magnetic unit 2 has a second magnetic field 20 "," The first sensing unit 3 is disposed on a second object S2 and corresponds to the first magnetic unit 1 ", and" The second sensing unit 3 is disposed on the second object S2 and corresponds to the second magnet Unit 2 "and" When the first sensing unit 3 detects a change in the first magnetic field 10, the first sensing unit 3 generates a first abnormal signal; or, when the second sensing unit 4 detects a second When the magnetic field 20 changes, the second sensing unit 4 generates a second abnormal signal "to improve the accuracy of detection.

Furthermore, by using the above technical solution, the displacement sensing device Z provided by this creation can solve the lack of conventional technology, that is, the intruder cannot guess the first magnetic unit 1 and the second magnetic unit 2 It is placed in such a manner that the first sensing unit 3 and the second sensing unit 4 cannot be misjudged. In addition, the displacement sensing device Z of the present invention can also make the displacement sensing device Z a green energy sensing device by providing a plurality of third magnetic units 6 and a power supply unit 7.

The content disclosed above is only a preferred and feasible embodiment of this creation, and therefore does not limit the scope of patent application for this creation. Therefore, any equivalent technical changes made using this creation specification and diagram content are included in this creation. Within the scope of patent application.

Z‧‧‧Displacement sensing device
1‧‧‧The first magnetic unit

10‧‧‧ first magnetic field
2‧‧‧Second magnetic unit

20‧‧‧Second magnetic field
3‧‧‧first sensing unit
4‧‧‧Second sensing unit
5‧‧‧Warning unit

50‧‧‧energy storage
6‧‧‧Third magnetic unit
7‧‧‧ Power Supply Unit

70‧‧‧coil pieces
71‧‧‧magnetic parts
72‧‧‧ Rectifier
S1‧‧‧First Object
S2‧‧‧Second Object

FIG. 1 is a schematic structural diagram of a displacement sensing device according to a first embodiment of the present invention.

FIG. 2 is an enlarged schematic view of part II in FIG. 1.

FIG. 3 is a schematic diagram of a use state of the displacement sensing device according to the first embodiment of the present invention.

FIG. 4 is a functional block diagram of a displacement sensing device according to a second embodiment of the present invention.

FIG. 5 is a schematic structural diagram of a displacement sensing device according to a third embodiment of the present invention.

FIG. 6 is an enlarged schematic view of a VI portion in FIG. 5.

FIG. 7 is a schematic diagram of a use state of a displacement sensing device according to a third embodiment of the present invention.

FIG. 8 is a functional block diagram of a displacement sensing device according to a third embodiment of the present invention.

Claims (10)

A displacement sensing device includes:
A first magnetic unit disposed on a first object, the first magnetic unit having a first magnetic field;
A second magnetic unit is disposed on the first object and is adjacent to the first magnetic unit. The second magnetic unit and the first magnetic unit are non-parallel, and the second magnetic unit has a second magnetic field. ;
A first sensing unit disposed on a second object and corresponding to the first magnetic unit; and a second sensing unit disposed on the second object and corresponding to the second magnetic unit ;
Wherein, when the first sensing unit detects a change in the first magnetic field, the first sensing unit generates a first abnormal signal; or, when the second sensing unit detects that the second magnetic field is generated, When changing, the second sensing unit generates a second abnormal signal. The displacement sensing device according to item 1 of the scope of patent application, wherein the first magnetic unit and the second magnetic unit are perpendicular to each other. The displacement sensing device according to item 1 of the scope of application, wherein the first magnetic unit and the second magnetic unit are Hall elements. The displacement sensing device according to item 1 of the scope of patent application, wherein a distance between the first magnetic unit and the first sensing unit is generated when the second object is displaced relative to the first object. When changing, the first sensing unit detects a change in the first magnetic field. The displacement sensing device according to item 1 of the scope of patent application, wherein a distance between the second magnetic unit and the second sensing unit is generated when the second object is displaced relative to the first object. When changing, the second sensing unit detects a change in the second magnetic field. The displacement sensing device according to item 1 of the patent application scope further includes a warning unit electrically connected to the first sensing unit and the second sensing unit, and the warning unit receives the first abnormal signal or The second abnormal signal generates a warning message, wherein the warning message is a digital signal, light, sound, or a combination thereof. The displacement sensing device described in item 6 of the patent application scope further includes:
A plurality of third magnetic units are disposed on the first object at intervals; and a power supply unit is disposed on the second object and is electrically connected to the warning unit;
Wherein, when the second object is displaced relative to the first object and the power supply unit is driven by the second object to pass part of the third magnetic unit, the power supply unit and part of the third magnetic unit are generated. An induction action generates an energy source; and the power supply unit supplies the energy source to the warning unit. The displacement sensing device according to item 7 of the scope of patent application, wherein the power supply unit includes at least one coil element and at least one magnetic element, and at least one of the magnetic elements passes through at least one of the coil elements, and at least one of the coil elements When at least one magnetic piece and at least one magnetic piece are driven by the second object and pass through part of the third magnetic unit, at least one of the magnetic piece and part of the third magnetic unit generate the inductive action so that at least one of the coil pieces Generate this energy. The displacement sensing device according to item 8 of the scope of patent application, wherein the power supply unit further includes a rectifier, which is electrically connected to the power supply unit and the warning unit, and the rectifier unit receives and converts the energy to generate A DC power, the rectifier unit transmits the DC power to the warning unit. The displacement sensing device according to item 7 of the scope of patent application, wherein the warning unit has an energy storage element, and the energy storage element is electrically connected to the power supply unit to store the energy supplied by the power supply unit.