CN220983477U - Polarity judgment device and circuit for magnet of charging bin - Google Patents
Polarity judgment device and circuit for magnet of charging bin Download PDFInfo
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- CN220983477U CN220983477U CN202322680319.0U CN202322680319U CN220983477U CN 220983477 U CN220983477 U CN 220983477U CN 202322680319 U CN202322680319 U CN 202322680319U CN 220983477 U CN220983477 U CN 220983477U
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Abstract
The utility model relates to the technical field of TWS earphone detection, in particular to a charging bin magnet polarity judging device and a circuit; comprising the following steps: the Hall detector comprises a base, a transmission mechanism, a fixed groove and a Hall detection plate; the fixed groove is fixedly arranged on the base; the transmission mechanism is arranged above the fixed groove and connected with the base, and can move relative to the base; the Hall detection plate is fixedly arranged on the transmission mechanism, a Hall switch is arranged on the Hall detection plate, and the Hall switch is arranged above the charging bin fixing groove and corresponds to the position of the magnet of the charging bin; by designing the magnet magnetism judging device of the charging bin, the charging bin is only required to be placed in the fixed groove with the magnet upwards, and the Hall switch is driven to move through the transmission mechanism for detection, so that manual detection by a worker is not required, and the labor cost is effectively reduced; the detection efficiency is high, the detection accuracy is high, and the mass rapid detection can be realized.
Description
Technical Field
The utility model relates to the technical field of TWS earphone detection, in particular to a charging bin magnet polarity judging device and a circuit.
Background
All be provided with magnet on the storehouse that charges of TWS earphone on the market, this magnet can be used for adsorbing fixed earphone, be used as the earphone to enable and be used as the hall switch in storehouse that charges to reach fixed earphone, and control earphone, the storehouse that charges start or shut down, the polarity of the magnet on the storehouse that charges to TWS earphone at present is through the manual detection judgement of staff, not only detection efficiency is low, the cost of labor is high, still appears misjudgement easily and lead to the defective products to flow into market.
Therefore, it is important for those skilled in the art to design a device and a circuit for determining the polarity of a magnet in a charging bin, which have high detection efficiency, low cost and high accuracy.
Disclosure of utility model
The technical problem to be solved by the embodiment of the utility model is to provide the charging bin magnet polarity judging device and the circuit with high detection efficiency, low cost and high accuracy, so as to solve the problems of low detection efficiency, high labor cost and easy occurrence of erroneous judgment in the prior art, thereby causing defective products to flow into the market.
The utility model discloses a polarity judging device of a magnet of a charging bin, which is characterized by comprising the following components: the Hall detector comprises a base, a transmission mechanism, a fixed groove and a Hall detection plate; the fixed groove is fixedly arranged on the base and used for fixing the charging bin; the transmission mechanism is arranged above the fixed groove and connected with the base, and can move relative to the base; the Hall detection plate is fixedly arranged on the transmission mechanism, a Hall switch is arranged on the Hall detection plate, and the Hall switch is arranged above the charging bin fixing groove and corresponds to the magnet position of the charging bin.
Optionally, a fixed column is arranged on the transmission mechanism, one end of the hall switch is electrically connected with the hall detection plate, and the other end of the hall switch penetrates through the fixed column and extends towards the lower side of the fixed column.
Optionally, two hall switches are disposed on the hall detection plate to detect the south pole and the north pole of the magnet respectively.
Optionally, the base is an L-shaped base, the fixing groove is fixed on the horizontal plane of the L-shaped base, and the transmission mechanism is arranged above the fixing groove and fixed with the vertical plane of the L-shaped base.
Optionally, the drive mechanism includes driving piece and movable plate, the driving piece with the vertical face of L type base is fixed, the driving piece with the movable plate is connected, the driving piece can drive the movable plate reciprocates, and drives hall switch reciprocates in order to keep away from or be close to the fixed slot.
Optionally, the transmission mechanism further comprises an elastic piece, one end of the elastic piece is connected with the moving plate, and the other end of the elastic piece is connected with the L-shaped base.
The utility model also provides a polarity judging circuit of the charging bin magnet, which is characterized in that the polarity judging circuit is arranged on the Hall detection plate and comprises: the device comprises a first Hall switch, a second Hall switch, a first indicator lamp, a second indicator lamp and a detection interface, wherein the positive poles of the first Hall switch and the second Hall switch are all connected with a power supply, the negative poles of the first Hall switch and the second Hall switch are all grounded, the signal output pins of the first Hall switch and the second Hall switch are all connected with the detection interface, the positive poles of the first indicator lamp and the second indicator lamp are all connected with the power supply, and the negative poles of the first indicator lamp and the second indicator lamp are respectively connected with different pin bars of the detection interface.
Optionally, the first indicator light and the second indicator light are LED lights with different colors respectively.
Optionally, the positive electrode of the first indicator light is connected with a power supply and provided with a first protection resistor.
Optionally, a second protection resistor is connected between the positive electrode of the second indicator lamp and the power supply.
Compared with the prior art, the charging bin magnet polarity judging device provided by the embodiment of the utility model has the beneficial effects that: through designing a storehouse magnet magnetism judgment device charges, only need place the storehouse with magnet up in the fixed slot to drive hall switch through drive mechanism and remove to the magnet, make the production signal of telecommunication, can acquire the polarity of this magnet through the signal of telecommunication, the device easy operation does not have higher operation requirement to the staff, has effectively reduced the cost of labor; in addition, the device has high detection efficiency and high detection accuracy, and can realize mass rapid detection.
Drawings
The technical scheme of the utility model will be further described in detail below with reference to the accompanying drawings and examples, wherein:
fig. 1 is a schematic structural diagram of a polarity determining device for a magnet in a charging bin according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram II of a polarity determining device for a magnet in a charging bin according to an embodiment of the present utility model;
Fig. 3 is a circuit diagram of a polarity determining circuit of a magnet in a charging bin according to an embodiment of the present utility model.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present utility model provides an embodiment of a polarity determining device for a charging bin magnet.
Referring to fig. 1, the charging bin magnet polarity determination device includes: the device comprises a base 1, a transmission mechanism 2, a fixed groove 3 and a Hall detection plate 4; the fixed groove 3 is fixedly arranged on the base 1 and is used for fixing the charging bin; the transmission mechanism 2 is arranged above the fixed groove 3 and connected with the base 1, and the transmission mechanism 2 can move relative to the base 1; the Hall detection plate 4 is fixedly arranged on the transmission mechanism 2, the Hall detection plate 4 is provided with a Hall switch 41, and the Hall switch 41 is arranged above the charging bin fixing groove 3 and corresponds to the magnet position of the charging bin.
Specifically, referring to fig. 1, the base 1 is an L-shaped base 1, the L-shaped base 1 includes a bottom plate 11 on a horizontal plane and a side plate 12 on a vertical plane, the bottom plate 11 is mainly used for placing the fixing groove 3, and the side plate 12 is mainly used for installing the transmission mechanism 2; when the charging bin magnet polarity judging device is installed, the fixed groove 3 is horizontally arranged on the bottom plate 11, the side surface of the transmission mechanism 2 is fixed on the side plate 12, and the Hall detection plate 4 on the transmission mechanism 2 is positioned above the fixed groove 3 and is parallel to the fixed groove 3 as much as possible; and aligning the hall switch 41 on the hall sensing plate 4 with the magnet position of the charging cartridge.
Further, referring to fig. 1, the fixing groove 3 is mainly used for placing and fixing the charging bin, the outline of the inner wall of the fixing groove 3 corresponds to the outline of the charging bin, and when the polarity of the magnet of the charging bin is detected, the charging bin can be positioned only by placing the magnet in the fixing groove 3 upwards; since the fixing slot 3 and the transmission mechanism 2 are already adjusted in relative position at the time of installation, when the charging bin is placed in the fixing slot 3 with the magnet facing upwards, the magnet of the charging bin will be located directly below the hall switch 41.
Further, referring to fig. 1, the hall detection plate 4 is mainly used for detecting the polarity of the magnet in the charging bin, the hall detection plate 4 is provided with the hall switch 41, when the charging bin is placed in the fixed slot 3 with the magnet upwards, the magnet, close to the charging bin, of the hall switch 41 can induce the magnet to acquire an electric signal, and the hall detection plate 4 detects the polarity of the magnet after acquiring the electric signal so as to judge whether the magnetism of the magnet in the charging bin is south or north.
Further, referring to fig. 1, the transmission mechanism 2 is mainly used for driving the hall detection plate 4 to move and further driving the hall switch 41 to move, when the charging bin is placed in the fixed slot 3 with the magnet upwards, the transmission mechanism 2 can drive the hall detection plate 4 to move downwards, and the hall switch 41 on the hall detection plate 4 is in contact with the magnet on the charging bin, so as to perform induction to obtain an electric signal and further detect the polarity of the magnet.
In the prior art, the polarity of the magnet on the TWS earphone charging bin is detected and judged manually by a worker, so that the detection efficiency is low, the cost is high, and misjudgment is easy to occur, so that defective products are caused to flow into the market.
In the embodiment, by designing the magnet magnetism judging device of the charging bin, the charging bin is only required to be placed in the fixed groove 3 with the magnet upwards, and the Hall switch 41 is driven to move to the magnet through the transmission mechanism 2, so that an electric signal is generated, the polarity of the magnet can be obtained through the electric signal, the device is simple to operate, has no higher operation requirement on staff, and effectively reduces the labor cost; in addition, the device has high detection efficiency and high detection accuracy, and can realize mass rapid detection.
In one embodiment, referring to fig. 1, two hall switches 41 are provided on the hall sensing plate 4 to sense the north and south poles of the magnet, respectively.
Specifically, referring to fig. 1, since two magnets are disposed on the charging bin, two hall switches 41 are required to be disposed on the hall sensing board 4 correspondingly, and the positions of the two hall switches 41 correspond to the positions of the two magnets on the charging bin respectively, and each hall switch 41 detects a polarity of a magnet correspondingly.
In one embodiment, referring to fig. 2, the transmission mechanism 2 includes a driving member 21 and a moving plate 22, the driving member 21 is fixed to a vertical surface of the L-shaped base 1, the driving member 21 is connected to the moving plate 22, and the driving member 21 can drive the moving plate 22 to move up and down and drive the hall switch 41 to move up and down so as to be away from or close to the fixed slot 3.
Specifically, referring to fig. 2, the transmission mechanism 2 includes a driving member 21 and a moving plate 22, the driving member 21 is fixedly connected with the side plate 12 of the L-shaped base 1, the top surface of the moving plate 22 is fixedly connected with the output end of the driving member 21, the bottom surface of the moving plate 22 faces the fixed slot 3, and the moving plate 22 is parallel to the fixed slot 3 as much as possible, so that detection is more accurate.
Further, referring to fig. 2, the driving member 21 is fixed to the side plate 12 of the L-shaped base 1 through the mounting plate 121, one side of the mounting plate 121 is attached to the side plate 12 of the L-shaped base 1, a guide hole 122 is provided on the other side of the mounting plate 121, the driving member 21 includes a pressing portion 211 and a guide post 212, the guide post 212 is disposed in the guide hole 122 and can move up and down relative to the guide hole 122, one end of the guide post 212 is fixedly connected to the top surface of the moving plate 22 as an output end of the driving member 21, and by pressing the pressing portion 211, the guide post 212 can be moved down and drives the moving plate 22 to move up and down, thereby driving the hall sensing plate 4 and the hall switch 41 to move up and down to be away from or close to the fixed slot 3.
In one embodiment, referring to fig. 2, the transmission mechanism 2 is further provided with a fixing post 23, one end of the hall switch 41 is electrically connected to the hall sensing plate 4, and the other end of the hall switch 41 passes through the fixing post 23 and extends downward of the fixing post 23.
Specifically, referring to fig. 2, the fixed column 23 is fixed to the bottom surface of the moving plate 22, and the fixed column 23 is internally provided with a through hole for accommodating the hall switch 41, the hall sensing plate 4 is placed on the top surface of the moving plate 22 with the hall switch 41 facing downward, and the hall switch 41 passes through the through holes in the moving plate 22 and the fixed column 23 and extends toward the fixed slot 3 to facilitate magnet sensing.
In one embodiment, referring to fig. 2, the transmission mechanism 2 further includes an elastic member 24, one end of the elastic member 24 is connected to the moving plate 22, and the other end of the elastic member 24 is connected to the L-shaped base 1.
Specifically, referring to fig. 2, the elastic member 24 is mainly used for resetting the moving plate 22 after being driven by the driving member 21 to press down, one end of the elastic member 24 is fixedly connected with the bottom plate 11 of the L-shaped base 1, and the other end of the elastic member 24 is fixedly connected with the bottom surface of the moving plate 22.
When the polarity of the magnet in the charging bin needs to be detected, under the action of the elasticity of the elastic piece 24, the moving plate 22 is pushed to the upper position of the fixed groove 3, the charging bin to be detected is placed in the fixed groove 3 with the magnet upwards, the pressing part 211 is pressed again, the moving plate 22 moves downwards, the Hall switch 41 on the Hall detection plate 4 is close to the magnet in the charging bin to perform induction to acquire an electric signal, after the electric signal is acquired, polarity detection is performed through the Hall detection plate 4, the pressing part 211 is loosened, the moving plate 22 is pushed to the upper position of the fixed groove 3 again under the action of the elasticity of the elastic piece 24, and the detected charging bin is taken out.
As shown in FIG. 3, the utility model further provides a specific embodiment of a polarity judgment circuit for the magnet of the charging bin.
Referring to fig. 1 and 3, the polarity determining circuit of the magnet in the charging bin is disposed on the hall sensing board 4, and specifically includes: the detection interface J1 is connected with the positive electrode of the first Hall switch 41 and the second Hall switch 41, the negative electrode of the first Hall switch 41 and the negative electrode of the second Hall switch 41 are grounded, the signal output pins of the first Hall switch 41 and the second Hall switch 41 are connected with the detection interface J1, the positive electrode of the first indicator lamp D1 and the positive electrode of the second indicator lamp D2 are connected with the power VCC, and the negative electrodes of the first indicator lamp D1 and the second indicator lamp D2 are respectively connected with the S row pin and the N row pin of the detection interface J1.
A hall switch is an electronic switching device based on the hall effect; hall effect refers to the fact that when a current is passed through a conductor having a magnetic field, a voltage difference is created on one side of the conductor, a phenomenon known as hall effect; hall switches take advantage of this effect to control the switch state by measuring the change in magnetic field; by utilizing the characteristic of a Hall switch, the magnet of the charging bin can be induced, so that the polarity of the magnet is detected.
Specifically, referring to fig. 3, the detection interface J1 includes a GND pin, an S pin and an N pin, the GND pin of the detection interface J1 is grounded, the S pin of the detection interface J1 is connected to the first hall switch 41, and the N pin of the detection interface J1 is connected to the second hall switch 41; the positive pole of first hall switch 41 is connected with power VCC, and the negative pole ground connection of first hall switch 41, and the signal output pin of first hall switch 41 is connected with the S row needle of detection interface J1, and the positive pole of first pilot lamp D1 is connected with power VCC, and the negative pole of first pilot lamp D1 is connected with the S row needle of detection interface J1, and still is provided with first protection resistance R1 between the positive pole of first pilot lamp D1 and the power VCC.
Referring to fig. 3, when the south pole of the magnet is detected, the first indicator lamp D1 is on, and the S pin header of the detection interface J1 outputs a low level; when no magnet is detected, the first indicator lamp D1 is turned off, and the S pin of the detection interface J1 outputs a high level.
Further, referring to fig. 3, the positive electrode of the second hall switch 41 is connected to the power VCC, the negative electrode of the second hall switch 41 is grounded, the signal output pin of the second hall switch 41 is connected to the N pins of the detection interface J1, the positive electrode of the second indicator lamp D2 is connected to the power VCC, the negative electrode of the second indicator lamp D2 is connected to the N pins of the detection interface J1, and a second protection resistor R2 is further disposed between the positive electrode of the second indicator lamp D2 and the power VCC.
Wherein, referring to fig. 3, when the north pole of the magnet is detected, the second indicator lamp D2 is on, and the N pins of the detection interface J1 will output a low level; when no magnet is detected, the second indicator lamp D2 is turned off, and the N pins of the detection interface J1 output high level.
In one embodiment, for distinguishing display, the first indicator light D1 and the second indicator light D2 are LED lights with different colors, respectively; for example, the first indicator lamp D1 adopts a blue LED lamp, and the second indicator lamp D2 adopts a red LED lamp.
It should be understood that the foregoing embodiments are merely illustrative of the technical solutions of the present utility model, and not limiting thereof, and that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art; all such modifications and substitutions are intended to be included within the scope of this disclosure as defined in the following claims.
Claims (10)
1. A charging bin magnet polarity determination device, comprising: the Hall detector comprises a base, a transmission mechanism, a fixed groove and a Hall detection plate; the fixed groove is fixedly arranged on the base and used for fixing the charging bin; the transmission mechanism is arranged above the fixed groove and connected with the base, and can move relative to the base; the Hall detection plate is fixedly arranged on the transmission mechanism, a Hall switch is arranged on the Hall detection plate, and the Hall switch is arranged above the charging bin fixing groove and corresponds to the magnet position of the charging bin.
2. The charge compartment magnet polarity determination device according to claim 1, wherein a fixing column is provided on the transmission mechanism, one end of the hall switch is electrically connected with the hall detection plate, and the other end of the hall switch passes through the fixing column and extends toward the lower side of the fixing column.
3. The charge compartment magnet polarity determining device of claim 1, wherein two hall switches are provided on the hall sensing board to detect the south and north poles of the magnet, respectively.
4. The charging bin magnet polarity determination device according to claim 1, wherein the base is an L-shaped base, the fixing groove is fixed on a horizontal plane of the L-shaped base, and the transmission mechanism is disposed above the fixing groove and fixed with a vertical plane of the L-shaped base.
5. The charge compartment magnet polarity determining device of claim 4, wherein the transmission mechanism comprises a driving member and a moving plate, the driving member is fixed to a vertical surface of the L-shaped base, the driving member is connected to the moving plate, and the driving member can drive the moving plate to move up and down and drive the hall switch to move up and down so as to be away from or close to the fixing slot.
6. The charge compartment magnet polarity determining device of claim 5, wherein the transmission mechanism further comprises an elastic member, one end of the elastic member is connected to the moving plate, and the other end of the elastic member is connected to the L-shaped base.
7. A polarity determining circuit for a magnet of a charging bin, provided on the hall sensing board according to any one of claims 1 to 6, comprising: the device comprises a first Hall switch, a second Hall switch, a first indicator lamp, a second indicator lamp and a detection interface, wherein the positive poles of the first Hall switch and the second Hall switch are all connected with a power supply, the negative poles of the first Hall switch and the second Hall switch are all grounded, the signal output pins of the first Hall switch and the second Hall switch are all connected with the detection interface, the positive poles of the first indicator lamp and the second indicator lamp are all connected with the power supply, and the negative poles of the first indicator lamp and the second indicator lamp are respectively connected with different pin bars of the detection interface.
8. The charge compartment magnet polarity determination circuit of claim 7 wherein the first indicator light and the second indicator light are LED lights of different colors, respectively.
9. The charge compartment magnet polarity determination circuit of claim 7, wherein the positive pole of the first indicator light is provided with a first protection resistor connected to a power source.
10. The charge compartment magnet polarity determination circuit of claim 7, wherein the positive pole of the second indicator light is provided with a second protection resistor connected to a power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322680319.0U CN220983477U (en) | 2023-09-28 | 2023-09-28 | Polarity judgment device and circuit for magnet of charging bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322680319.0U CN220983477U (en) | 2023-09-28 | 2023-09-28 | Polarity judgment device and circuit for magnet of charging bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220983477U true CN220983477U (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322680319.0U Active CN220983477U (en) | 2023-09-28 | 2023-09-28 | Polarity judgment device and circuit for magnet of charging bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220983477U (en) |
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2023
- 2023-09-28 CN CN202322680319.0U patent/CN220983477U/en active Active
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