CN221037453U - Special magnetic rotary encoder for quick door without battery and with power-off memory function - Google Patents
Special magnetic rotary encoder for quick door without battery and with power-off memory function Download PDFInfo
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- CN221037453U CN221037453U CN202322860684.XU CN202322860684U CN221037453U CN 221037453 U CN221037453 U CN 221037453U CN 202322860684 U CN202322860684 U CN 202322860684U CN 221037453 U CN221037453 U CN 221037453U
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Abstract
The utility model discloses a battery-free special magnetic rotary encoder for a quick door with a power-off memory function, which comprises a power supply circuit, a main control circuit, a Hall signal transmission circuit, a magnetic sensor and a main control board, wherein the power supply circuit comprises a signal socket connector circuit, a power supply circuit and a sampling circuit, the main control circuit comprises a low-power consumption magnetic sensor circuit and a low-power consumption MCU circuit, the signal socket connector circuit also belongs to a part of the Hall signal transmission circuit, the Hall signal transmission circuit also comprises a chip U3 circuit, and the main control board is electrically connected with the chip U3 circuit. According to the utility model, through the arrangement of the power supply circuit, the main control circuit, the Hall signal transmission circuit, the magnetic sensor and the main control board, the outage information can be stored and memorized, and the motor position change information can be quickly stored when the motor position is changed, so that the follow-up maintenance operation of personnel is convenient, and the use requirement is met.
Description
Technical Field
The utility model relates to the technical field of magnetic rotary encoders, in particular to a battery-free special magnetic rotary encoder for a shutter with a power-off memory function.
Background
The fast door is a door with the running speed exceeding 0.6 m per second, is a barrier-free isolation door capable of being lifted quickly, has the main effects of being rapidly isolated, and accordingly guarantees the dust-free grade of the air quality of workshops, two types of encoders are arranged in a positioning mode, namely a mechanical positioning magnetic encoder and an electronic positioning encoder, the encoders are core components in the fast door, the stability determines the failure rate of the fast door, the special magnetic rotary encoder for the fast door in the prior art lacks a power-off memory function, change information cannot be automatically stored when the position of a motor changes, and therefore follow-up personnel overhaul operation is inconvenient, the use requirement cannot be met, and the special magnetic rotary encoder for the fast door without a battery is provided.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a special magnetic rotary encoder for a quick door without a battery and with a power-off memory function.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The battery-free special magnetic rotary encoder for the quick door with the power-off memory function comprises a power supply circuit, a main control circuit, a Hall signal transmission circuit, a magnetic sensor and a main control board, wherein the power supply circuit comprises a signal socket connector circuit, a power supply circuit and a sampling circuit, the main control circuit comprises a low-power consumption magnetic sensor circuit and a low-power consumption MCU circuit, the signal socket connector circuit also belongs to a part of the Hall signal transmission circuit, the Hall signal transmission circuit also comprises a chip U3 circuit, and the main control board is electrically connected with the chip U3 circuit;
The signal socket connector circuit comprises an information socket connector chip RJ45, a pin A2 of the information socket connector chip RJ45 is grounded, a pin A1 of the information socket connector chip RJ45 is electrically connected with one end of a fuse F1 and one end of a TVS tube D2, the other end of the fuse F1 is electrically connected with a power supply voltage VCC, the other end of the TVS tube D2 is grounded, the other end of the TVS tube D2 is electrically connected with one end of a capacitor C4, and the other end of the capacitor C4 is electrically connected with the power supply voltage VCC.
Preferably, the power supply circuit includes a diode D1, the anode of the diode D1 is electrically connected with a power supply voltage VCC, the cathode of the diode D1 is electrically connected with one end of a capacitor C3 and one end of a capacitor C2, the other end of the capacitor C3 and the other end of the capacitor C2 are grounded, and the cathode of the diode D1, one end of the capacitor C3 and one end of the capacitor C2 are electrically connected with the same power supply voltage VCC.
Preferably, the sampling circuit includes a resistor R1, one end of the resistor R1 is electrically connected with a power supply voltage VCC, the other end of the resistor R1 is electrically connected with one end of a resistor R3 and one end of a resistor R2, the other end of the resistor R3 is grounded, the other end of the resistor R2 is electrically connected with one end of a capacitor C5, and the other end of the capacitor C5 is grounded.
Preferably, the low-power consumption magnetic sensor circuit includes a low-power consumption magnetic sensor chip U1, the pin 1 of the low-power consumption magnetic sensor chip U1 is electrically connected with an interrupt INT interface, the pin 11 and the pin 12 of the low-power consumption magnetic sensor chip U1 are all grounded, the pin 15 of the low-power consumption magnetic sensor chip U1 is electrically connected with one end of a capacitor C1, the other end of the capacitor C1 and the pin 13 of the low-power consumption magnetic sensor chip U1 are all grounded, and one end of the capacitor C1 is electrically connected with one end of a capacitor C2.
Preferably, the low-power consumption MCU circuit includes a low-power consumption MCU chip U2, a pin 1 of the low-power consumption MCU chip U2 is electrically connected with one end of a resistor R4, a pin 2 of the low-power consumption MCU chip U2 is electrically connected with one end of a resistor R5, a pin 3 of the low-power consumption MCU chip U2 is electrically connected with one end of a resistor R6, a pin 9 of the low-power consumption MCU chip U2 is electrically connected with one end of a capacitor C7, a pin 9 of the low-power consumption MCU chip U2 is also electrically connected with one end of the capacitor C1, the other end of the capacitor C7 is grounded, a pin 11, a pin 12, a pin 13 and a pin 14 of the low-power consumption MCU chip U2 are electrically connected with an SPI CLK interface, an SPT CS interface, an SPI MISO interface and an SPI MOSI interface, respectively.
Preferably, the chip U3 circuit includes a chip U3, a pin 1 of the chip U3 is electrically connected with the other end of the resistor R6, a pin 2 of the chip U3 is electrically connected with a pin A7 of the information socket connector chip RJ45, a pin 3 of the chip U3 is electrically connected with a pin A8 of the information socket connector chip RJ45, a pin 4, a pin 7 and a pin 8 and a pin 12 of the chip U3 are all grounded, a pin 16 of the chip U3 is electrically connected with a supply voltage VCC, an output end of the supply voltage VCC is electrically connected with one end of the capacitor C6, the other end of the capacitor C6 is grounded, a pin 15, a pin 14 and a pin 13 of the chip U3 are electrically connected with the other end of the resistor R4, a pin A3 of the information socket connector chip RJ45 and the pin A6 of the information socket connector chip RJ45, and a pin 11, a pin 10 and a pin 9 of the chip U3 are electrically connected with the other ends of the information socket connector chip RJ45, a pin A5, a pin A4 and the resistor R4.
Preferably, the diode D1 is a low forward voltage drop schottky diode.
Preferably, the main control board is electrically connected with the chip U3 by adopting a shielding net wire.
Compared with the prior art, the utility model has the beneficial effects that:
1. The power supply circuit, the main control circuit, the Hall signal transmission circuit, the magnetic sensor and the main control board are matched, and the sampling circuit is used for judging whether power is off or not and storing and memorizing power-off information; when the motor position changes, the motor position change information can be quickly stored while low power consumption can be realized, and subsequent overhaul operation of personnel is facilitated;
According to the utility model, through the arrangement of the power supply circuit, the main control circuit, the Hall signal transmission circuit, the magnetic sensor and the main control board, the outage information can be stored and memorized, and the motor position change information can be quickly stored when the motor position is changed, so that the follow-up maintenance operation of personnel is convenient, and the use requirement is met.
Drawings
FIG. 1 is a circuit diagram of a signal receptacle connector circuit of a battery-less, power-off memory function dedicated magnetic rotary encoder for a fast door in accordance with the present utility model;
FIG. 2 is a circuit diagram of a power supply circuit of a battery-less magnetic rotary encoder special for a fast door with a power-off memory function;
FIG. 3 is a circuit diagram of a sampling circuit of a battery-less fast door-specific magnetic rotary encoder with power-off memory according to the present utility model;
FIG. 4 is a circuit diagram of a low power consumption magnetic sensor of a battery-less special magnetic rotary encoder for a fast door with a power-off memory function according to the present utility model;
FIG. 5 is a circuit diagram of a low power consumption MCU of a battery-less fast door-dedicated magnetic rotary encoder with a power-off memory function according to the present utility model;
FIG. 6 is a circuit diagram of a chip U3 of the battery-less magnetic rotary encoder with power-off memory function for a shutter.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-6, a battery-free magnetic rotary encoder special for a quick door with a power-off memory function comprises a power supply circuit, a main control circuit, a hall signal transmission circuit, a magnetic sensor and a main control board, wherein the power supply circuit comprises a signal socket connector circuit, a power supply circuit and a sampling circuit, the main control circuit comprises a low-power consumption magnetic sensor circuit and a low-power consumption MCU circuit, the signal socket connector circuit also belongs to a part of the hall signal transmission circuit, the hall signal transmission circuit also comprises a chip U3 circuit, the main control board is electrically connected with the chip U3 circuit, and the main control board is electrically connected with the chip U3 by adopting a shielding net wire;
The signal socket connector circuit comprises an information socket connector chip RJ45, a pin A2 of the information socket connector chip RJ45 is grounded, a pin A1 of the information socket connector chip RJ45 is electrically connected with one end of a fuse F1 and one end of a TVS tube D2, the other end of the fuse F1 is electrically connected with a power supply voltage VCC, the other end of the TVS tube D2 is grounded, the other end of the TVS tube D2 is also electrically connected with one end of a capacitor C4, and the other end of the capacitor C4 is electrically connected with the power supply voltage VCC;
The power supply circuit comprises a diode D1, wherein the diode D1 is a low forward voltage drop Schottky diode so as to ensure enough charging voltage, the anode of the diode D1 is electrically connected with a power supply voltage VCC, the cathode of the diode D1 is electrically connected with one end of a capacitor C3 and one end of a capacitor C2, the other end of the capacitor C3 and the other end of the capacitor C2 are grounded, and the cathode of the diode D1, one end of the capacitor C3 and one end of the capacitor C2 are electrically connected with the same power supply voltage VCC;
The sampling circuit comprises a resistor R1, one end of the resistor R1 is electrically connected with a power supply voltage VCC, the other end of the resistor R1 is electrically connected with one end of a resistor R3 and one end of a resistor R2, the other end of the resistor R3 is grounded, the other end of the resistor R2 is electrically connected with one end of a capacitor C5, and the other end of the capacitor C5 is grounded;
the low-power consumption magnetic sensor circuit comprises a low-power consumption magnetic sensor chip U1, the low-power consumption magnetic sensor chip U1 can rapidly sense motor position change information under a low-power consumption mode, a pin 1 of the low-power consumption magnetic sensor chip U1 is electrically connected with an interrupt INT interface, a pin 11 and a pin 12 of the low-power consumption magnetic sensor chip U1 are both grounded, a pin 15 of the low-power consumption magnetic sensor chip U1 is electrically connected with one end of a capacitor C1, the other end of the capacitor C1 and a pin 13 of the low-power consumption magnetic sensor chip U1 are both grounded, and one end of the capacitor C1 is electrically connected with one end of a capacitor C2;
The low-power consumption MCU circuit comprises a low-power consumption MCU chip U2, a pin 1 of the low-power consumption MCU chip U2 is electrically connected with one end of a resistor R4, a pin 2 of the low-power consumption MCU chip U2 is electrically connected with one end of a resistor R5, a pin 3 of the low-power consumption MCU chip U2 is electrically connected with one end of a resistor R6, a pin 9 of the low-power consumption MCU chip U2 is electrically connected with one end of a capacitor C7, a pin 9 of the low-power consumption MCU chip U2 is also electrically connected with one end of the capacitor C1, the other end of the capacitor C7 is grounded, a pin 11, a pin 12, a pin 13 and a pin 14 of the low-power consumption MCU chip U2 are respectively electrically connected with an SPI CLK interface, an SPI CS interface, an SPI MISO interface and an SPI MOSI interface, and SPI MOSI interfaces are all electrically connected with the magnetic sensor;
The chip U3 circuit comprises a chip U3, a pin 1 of the chip U3 is electrically connected with the other end of a resistor R6, a pin 2 of the chip U3 is electrically connected with a pin A7 of an information socket connector chip RJ45, a pin 3 of the chip U3 is electrically connected with a pin A8 of the information socket connector chip RJ45, a pin 4, a pin 7 and a pin 8 and a pin 12 of the chip U3 are all grounded, a pin 16 of the chip U3 is electrically connected with a power supply voltage VCC, an output end of the power supply voltage VCC is electrically connected with one end of a capacitor C6, the other end of the capacitor C6 is grounded, a pin 15, a pin 14 and a pin 13 of the chip U3 are respectively electrically connected with the other end of the resistor R4, a pin A3 of the information socket connector chip RJ45 and the other end of the information socket connector chip RJ45, and a pin 11, a pin 10 and a pin 9 of the chip U3 are respectively electrically connected with a pin A5, a pin A4 and the other end of the resistor R4 of the information socket connector chip RJ 45; according to the utility model, through the arrangement of the power supply circuit, the main control circuit, the Hall signal transmission circuit, the magnetic sensor and the main control board, the outage information can be stored and memorized, and the motor position change information can be quickly stored when the motor position is changed, so that the follow-up maintenance operation of personnel is convenient, and the use requirement is met.
Working principle: the external 5V power supply supplies power to the encoder through an RJ45 network port, meanwhile, the fuse F1 and the TVS tube D2 form a protection circuit for protecting a power supply circuit, so that the damage to the encoder caused by lightning surge, static electricity and the like can be effectively prevented, the external 5V power supply enters the power supply circuit and charges the capacitor C2 after passing through the diode D1, the sampling circuit samples the external 5V power supply and is used for judging whether the power is off, the capacitor C2 supplies power to the encoder after the power is off, and meanwhile, the power-off information is stored;
Meanwhile, a low-power consumption magnetic sensor chip U1 in the main control circuit rapidly senses motor position change information in a low-power consumption mode, and a low-power consumption MCU chip U2 is communicated with the magnetic sensor through an SPI CLK interface, an SPT CS interface, an SPI MISO interface and an SPI MOSI interface; when the motor position changes, the magnetic sensor generates an interrupt INT signal, the low-power consumption MCU chip U2 can realize low power consumption by detecting the interrupt mode, and simultaneously, the motor position change information is rapidly stored, and the subsequent overhaul operation of personnel is facilitated by storing the motor position change information;
When external power supply supplies power to the encoder, if the low-power consumption MCU chip U2 stores motor position change information, the low-power consumption MCU chip U2 outputs Hall signals to the chip U3, the chip U3 converts the Hall signals into differential signals and transmits the differential signals to the main control board through a shielding network cable, and the anti-interference capability of the signals can be effectively improved through the shielding network cable transmission.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The battery-free special magnetic rotary encoder for the quick door with the power-off memory function comprises a power supply circuit, a main control circuit, a Hall signal transmission circuit, a magnetic sensor and a main control board, and is characterized in that the power supply circuit comprises a signal socket connector circuit, a power supply circuit and a sampling circuit, the main control circuit comprises a low-power consumption magnetic sensor circuit and a low-power consumption MCU circuit, the signal socket connector circuit also belongs to a part of the Hall signal transmission circuit, the Hall signal transmission circuit also comprises a chip U3 circuit, and the main control board is electrically connected with the chip U3 circuit;
The signal socket connector circuit comprises an information socket connector chip RJ45, a pin A2 of the information socket connector chip RJ45 is grounded, a pin A1 of the information socket connector chip RJ45 is electrically connected with one end of a fuse F1 and one end of a TVS tube D2, the other end of the fuse F1 is electrically connected with a power supply voltage VCC, the other end of the TVS tube D2 is grounded, the other end of the TVS tube D2 is electrically connected with one end of a capacitor C4, and the other end of the capacitor C4 is electrically connected with the power supply voltage VCC.
2. The battery-less magnetic rotary encoder for a fast door with a power-off memory function according to claim 1, wherein the power supply circuit comprises a diode D1, a positive electrode of the diode D1 is electrically connected with a power supply voltage VCC, a negative electrode of the diode D1 is electrically connected with one end of a capacitor C3 and one end of a capacitor C2, the other end of the capacitor C3 and the other end of the capacitor C2 are grounded, and the negative electrode of the diode D1, one end of the capacitor C3 and one end of the capacitor C2 are electrically connected with the same power supply voltage VCC.
3. The battery-less magnetic rotary encoder special for the fast door with the power-off memory function according to claim 2, wherein the sampling circuit comprises a resistor R1, one end of the resistor R1 is electrically connected with a power supply voltage VCC, the other end of the resistor R1 is electrically connected with one end of a resistor R3 and one end of a resistor R2, the other end of the resistor R3 is grounded, the other end of the resistor R2 is electrically connected with one end of a capacitor C5, and the other end of the capacitor C5 is grounded.
4. The battery-less special magnetic rotary encoder for a shutter with a power-off memory function according to claim 3, wherein the low-power-consumption magnetic sensor circuit comprises a low-power-consumption magnetic sensor chip U1, a pin 1 of the low-power-consumption magnetic sensor chip U1 is electrically connected with an interrupt INT interface, a pin 11 and a pin 12 of the low-power-consumption magnetic sensor chip U1 are both grounded, a pin 15 of the low-power-consumption magnetic sensor chip U1 is electrically connected with one end of a capacitor C1, the other end of the capacitor C1 and a pin 13 of the low-power-consumption magnetic sensor chip U1 are both grounded, and one end of the capacitor C1 is electrically connected with one end of a capacitor C2.
5. The battery-less special magnetic rotary encoder with the power-off memory function for the rapid door of claim 4, wherein the low-power consumption MCU circuit comprises a low-power consumption MCU chip U2, a pin 1 of the low-power consumption MCU chip U2 is electrically connected with one end of a resistor R4, a pin 2 of the low-power consumption MCU chip U2 is electrically connected with one end of a resistor R5, a pin 3 of the low-power consumption MCU chip U2 is electrically connected with one end of a resistor R6, a pin 9 of the low-power consumption MCU chip U2 is electrically connected with one end of a capacitor C7, a pin 9 of the low-power consumption MCU chip U2 is also electrically connected with one end of the capacitor C1, the other end of the capacitor C7 is grounded, a pin 11, a pin 12, a pin 13 and a pin 14 of the low-power consumption MCU chip U2 are respectively electrically connected with an SPI CLK interface, an SPI CS interface, an SPI MISO interface and an SPI MOSI interface, and SPI MOSI interface are electrically connected with the magnetic sensor.
6. The battery-less magnetic rotary encoder with power-off memory function according to claim 5, wherein the chip U3 circuit comprises a chip U3, a pin 1 of the chip U3 is electrically connected with the other end of the resistor R6, a pin 2 of the chip U3 is electrically connected with a pin A7 of the information socket connector chip RJ45, a pin 3 of the chip U3 is electrically connected with a pin A8 of the information socket connector chip RJ45, a pin 4, a pin 7 and a pin 8 of the chip U3 are all grounded, a pin 16 of the chip U3 is electrically connected with a power supply voltage VCC, an output end of the power supply voltage VCC is electrically connected with one end of the capacitor C6, the other end of the capacitor C6 is grounded, a pin 15, a pin 14 and a pin 13 of the chip U3 are respectively electrically connected with the other end of the resistor R4, a pin A3 of the information socket connector chip RJ45 and a pin A6 of the information socket connector chip RJ45, and a pin 11, a pin 10 and a pin 9 of the chip U3 are respectively electrically connected with the other ends of the information socket connector chip RJ45, the RJ4 and the resistor R4.
7. The battery-less fast door dedicated magnetic rotary encoder with power-off memory of claim 2, wherein the diode D1 is a low forward voltage drop schottky diode.
8. The battery-less magnetic rotary encoder with power-off memory function for the rapid door of claim 6, wherein the main control board is electrically connected with the chip U3 by a shielding net wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322860684.XU CN221037453U (en) | 2023-10-25 | 2023-10-25 | Special magnetic rotary encoder for quick door without battery and with power-off memory function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322860684.XU CN221037453U (en) | 2023-10-25 | 2023-10-25 | Special magnetic rotary encoder for quick door without battery and with power-off memory function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221037453U true CN221037453U (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322860684.XU Active CN221037453U (en) | 2023-10-25 | 2023-10-25 | Special magnetic rotary encoder for quick door without battery and with power-off memory function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221037453U (en) |
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2023
- 2023-10-25 CN CN202322860684.XU patent/CN221037453U/en active Active
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