CN211504166U - Miniature special sensor of magnet discernment - Google Patents
Miniature special sensor of magnet discernment Download PDFInfo
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- CN211504166U CN211504166U CN202020473413.2U CN202020473413U CN211504166U CN 211504166 U CN211504166 U CN 211504166U CN 202020473413 U CN202020473413 U CN 202020473413U CN 211504166 U CN211504166 U CN 211504166U
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- battery
- switch
- magnetic induction
- microcontroller
- control substrate
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Abstract
The utility model discloses a micro-magnet identification special sensor, which comprises a magnetic induction switch, a power switch, a control substrate, a battery, a chip, an indicator light and a battery pressing sheet; wherein, the magnetic induction switch, the power switch, the battery, the chip and the indicator light form a control circuit; the method is characterized in that: the battery pressing sheet is arranged below the control substrate, the battery is arranged in the battery pressing sheet, the power switch and the magnetic induction switch are both arranged on one side of the top of the control substrate, and the magnetic induction switch is arranged behind the power switch; the chip is arranged on the top of the control substrate, and the indicator light is arranged on the top of the control substrate or the outer side of the battery pressing sheet; an obstacle-free space for the magnet material to approach the magnetic induction switch is arranged above or on the side of the magnetic induction switch. The advantages are that: the structure is scientific, the structure is compact, the whole volume is small, the manufacture and the installation are convenient, and the manufacture cost is low; the integrated structure is simple and beautiful; convenient movement or carrying and low energy consumption.
Description
Technical Field
The utility model relates to a special inductor for discerning magnet material.
Background
At present, current magnet material inductor includes operation platform and analog circuit, and operation platform is great relatively, and analog circuit sets up in electric cabinet, and electric cabinet sets up inside or side at operation platform, generally uses the commercial power as the mains supply. But it has the following defects of complex structure, large volume, no moving or carrying, high manufacturing cost and large overall energy consumption.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned defect that current magnet material inductor exists, the utility model provides a miniature magnet discernment special sensor that volume is less.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a miniature sensor special for magnet identification comprises a magnetic induction switch, a power switch, a control substrate, a battery, a chip, an indicator light and a battery pressing sheet; wherein, the magnetic induction switch, the power switch, the battery, the chip and the indicator light form a control circuit; the method is characterized in that: the battery pressing sheet is arranged below the control substrate, the battery is arranged in the battery pressing sheet, the power switch and the magnetic induction switch are both arranged on one side of the top of the control substrate, and the magnetic induction switch is arranged behind the power switch; the chip is arranged on the top of the control substrate, and the indicator light is arranged on the top of the control substrate or the outer side of the battery pressing sheet; an obstacle-free space for the magnet material to approach the magnetic induction switch is arranged above or on the side of the magnetic induction switch.
Furthermore, the control substrate is a printed circuit board, and the battery is two button batteries connected in series.
Further, the chip is an 8-pin microcontroller.
Further, the indicator light is a light emitting diode.
Further, the power switch is a toggle switch.
Further, the magnetic induction switch is a reed switch.
Furthermore, the control circuit also comprises a signal resistor, a filter capacitor, a current-limiting resistor and a diode; the positive pole of the button battery, the toggle switch and the diode are sequentially connected in series and then connected with the positive end of the power supply of the microcontroller, and the negative pole of the button battery is connected with the negative end of the power supply of the microcontroller; the filter capacitor is connected between the positive end and the negative end of a power supply of the microcontroller in parallel; one end of a signal resistor is connected with the positive end of a power supply of the microcontroller, the other end of the signal resistor is connected with the cathode of the button battery after being connected with the reed pipe in series, and the serial connection position of the signal and the reed pipe is connected with one input end of the microcontroller; one end of the current-limiting resistor is connected with one output end of the microcontroller, the other end of the current-limiting resistor is connected with one end of the light-emitting diode after being connected with the reed switch in series, and the other end of the light-emitting diode is connected with the negative electrode of the button battery.
The working principle is as follows: when the microcontroller normally works, the output end of the microcontroller outputs high level, and the indicator light is in a light-on state; when the magnet is close to the reed pipe, the reed pipe is closed, the input end of the microcontroller is changed from high level to low level, the output end of the microcontroller outputs low level, and the indicator light is turned off.
From the above, for prior art, the utility model has the following advantages: the structure is scientific, the structure is compact, the whole volume is small, the manufacture and the installation are convenient, and the manufacture cost is low; the integrated structure is simple and beautiful; convenient movement or carrying and low energy consumption.
Drawings
FIG. 1 is a perspective view of a special inductor for magnet material according to a preferred embodiment of the present invention
FIG. 2 is a front view of FIG. 1
Fig. 3 is a schematic circuit diagram of the present invention.
The reference numbers illustrate: the device comprises a magnet 1, a magnetic induction switch 2, a power switch 3, a control substrate 4, a battery 5, a chip 6, an indicator light 7 and a battery pressing sheet 8.
Detailed Description
The present invention and its advantageous technical effects are further described in detail below with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-2, the micro-magnet recognition sensor of the present invention comprises a magnetic induction switch 2, a power switch 3, a control substrate 4, a battery 5, a chip 6, an indicator light 7, and a battery pressing sheet 8; wherein, the magnetic induction switch 2, the power switch 3, the battery 5, the chip 6 and the indicator light 7 form a control circuit; the method is characterized in that: the battery pressing piece 8 is arranged below the control substrate 4, the battery 5 is arranged in the battery pressing piece 8, the power switch 3 and the magnetic induction switch 2 are both arranged on one side of the top of the control substrate 4, and the magnetic induction switch 2 is arranged behind the power switch 3; the chip 6 is arranged on the top of the control substrate 4, and the indicator light 7 is arranged on the top of the control substrate 4 or on the outer side of the battery pressing sheet 8; an accessible space for the magnet material to approach the magnetic induction switch 2 is arranged above or on the side of the magnetic induction switch 2.
Referring to fig. 3, the following are specific preferred as main components in the implementation.
Further, the control substrate 4 is a printed circuit board, and the battery 5 is two button batteries BT connected in series.
Further, the chip 6 is an 8-pin microcontroller IC 1.
Further, the indicator light 7 is a light emitting diode L1.
Further, the power switch 3 is a toggle switch S1.
Further, the magnetic induction switch 2 is a reed switch GH 1.
Further, the control circuit further comprises a signal resistor R2, a filter capacitor C1, a current limiting resistor R1 and a diode D1; the positive electrode of the button battery BT, the toggle switch S1 and the diode D1 are sequentially connected in series and then connected with the positive end of a power supply of the microcontroller IC1, and the negative electrode of the button battery BT is connected with the negative end of the power supply of the microcontroller IC 1; the filter capacitor C1 is connected in parallel between the positive end and the negative end of the power supply of the microcontroller IC 1; one end of a signal resistor R2 is connected with the positive end of a power supply of the microcontroller IC1, the other end of the signal resistor R2 is connected with the negative electrode of the button cell BT after being connected with the reed switch GH1 in series, and the serial connection position of a signal and the reed switch GH1 is connected with one input end of the microcontroller IC 1; one end of a current limiting resistor R1 is connected with one output end of the microcontroller IC1, the other end of the current limiting resistor R1 is connected with one end of a light emitting diode L1 after being connected with a reed switch GH1 in series, and the other end of the light emitting diode L1 is connected with the negative electrode of the button cell BT.
The electronic components used above, because of their lower power consumption, may preferably be elements enclosed by a patch, for example, diode D1 may be packaged by a patch of model 4148; the printed circuit board can use a double-sided glass fiber board, so that the whole structure is relatively pocket, a circular structure with the diameter smaller than 5cm can be generally manufactured, and the whole height is smaller than 2 cm. In addition, in the above description, details, such as structures and processes, which are conventionally used in the prior art, are not repeated for brevity. The electronic components used as a whole are all cheaper, so the cost is lower.
The using process is as follows: the sensor special for micro magnet recognition is installed, a power switch 3 on the sensor is turned on, a filter capacitor C1 filters and prevents shaking of a power supply added on a microcontroller IC1, and the microcontroller IC1 is powered on to work; the input end of the microcontroller IC1 is communicated with the positive pole of the button battery BT through a signal resistor R2, the input end of the microcontroller IC1 is in a high level state, the output end of the microcontroller IC1 outputs a high level, and the indicator light 7 is in a light state; when the magnet 1 approaches the reed switch GH1, the reed switch GH1 is closed, so that the input end of the microcontroller IC1 is communicated with the negative electrode of the button battery BT through the reed switch GH1, the input end of the microcontroller IC1 is changed from high level to low level, the output end of the microcontroller IC1 outputs low level, and the indicator light 7 is turned off.
The invention is not limited to the embodiments disclosed and described above, but rather, modifications and variations of the invention are possible within the scope of the invention as defined in the claims.
Claims (7)
1. A miniature sensor special for magnet identification comprises a magnetic induction switch, a power switch, a control substrate, a battery, a chip, an indicator light and a battery pressing sheet; wherein, the magnetic induction switch, the power switch, the battery, the chip and the indicator light form a control circuit; the method is characterized in that: the battery pressing sheet is arranged below the control substrate, the battery is arranged in the battery pressing sheet, the power switch and the magnetic induction switch are both arranged on one side of the top of the control substrate, and the magnetic induction switch is arranged behind the power switch; the chip is arranged on the top of the control substrate, and the indicator light is arranged on the top of the control substrate or the outer side of the battery pressing sheet; an obstacle-free space for the magnet material to approach the magnetic induction switch is arranged above or on the side of the magnetic induction switch.
2. The miniature sensor dedicated for magnet identification as set forth in claim 1, wherein: the control substrate is a printed circuit board, and the battery is two button batteries which are connected in series.
3. A miniature magnetic identification specialized sensor as claimed in claim 1 or 2, wherein: the chip is a microcontroller with 8 pins.
4. A miniature magnetic identification specialized sensor as set forth in claim 3, wherein: the indicator light is a light emitting diode.
5. The miniature sensor dedicated for magnet identification as set forth in claim 4, wherein: the power switch is a toggle switch.
6. The miniature sensor dedicated for magnet identification as set forth in claim 5, wherein: the magnetic induction switch is a reed switch.
7. The miniature sensor dedicated for magnet identification as set forth in claim 6, wherein: the control circuit also comprises a signal resistor, a filter capacitor, a current-limiting resistor and a diode; the positive pole of the button battery, the toggle switch and the diode are sequentially connected in series and then connected with the positive end of the power supply of the microcontroller, and the negative pole of the button battery is connected with the negative end of the power supply of the microcontroller; the filter capacitor is connected between the positive end and the negative end of a power supply of the microcontroller in parallel; one end of a signal resistor is connected with the positive end of a power supply of the microcontroller, the other end of the signal resistor is connected with the cathode of the button battery after being connected with the reed pipe in series, and the serial connection position of the signal and the reed pipe is connected with one input end of the microcontroller; one end of the current-limiting resistor is connected with one output end of the microcontroller, the other end of the current-limiting resistor is connected with one end of the light-emitting diode after being connected with the reed switch in series, and the other end of the light-emitting diode is connected with the negative electrode of the button battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473413.2U CN211504166U (en) | 2020-04-03 | 2020-04-03 | Miniature special sensor of magnet discernment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473413.2U CN211504166U (en) | 2020-04-03 | 2020-04-03 | Miniature special sensor of magnet discernment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504166U true CN211504166U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020473413.2U Active CN211504166U (en) | 2020-04-03 | 2020-04-03 | Miniature special sensor of magnet discernment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504166U (en) |
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2020
- 2020-04-03 CN CN202020473413.2U patent/CN211504166U/en active Active
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