Self-protection long-distance power supply device for monitoring shelter

Abstract

The utility model discloses a self-protection long-distance power supply device for monitoring a shelter. Comprising a retractable / retractable power supply cable, a touch screen capable of setting parameters, an MCU unit for receiving and sending an instruction, a relay unit for receiving a control signal and completing power-on / power-off switching, an AC / DC unit for converting commercial power into power supply for the MCU unit and the touch screen, and a sensor unit for detecting a power supply state. According to the power supply device, the control square cabin can be connected to a mains supply or a generator, power supply parameters can be set through the touch screen, the sensor unit monitors the power supply state in real time in the power supply process and feeds power supply state information back to the MCU unit, the MCU unit processes and analyzes data, if the set power supply condition is met, power supply is conducted, and if the set power supply condition is met, power supply is conducted. And if the set condition is not met or an abnormal power supply condition is detected, the MCU unit controls the relay unit to be powered off. The power supply device is safe and convenient, and can avoid the situation that electronic equipment is abnormally damaged due to unstable power supply of the control shelter.

Description

TECHNICAL FIELD

[0001] The utility model belongs to on-off control equipment technical field, especially a kind of self-protection remote power supply device for monitoring shelter. BACKGROUND

[0002] Monitoring shelter is widely applied in public safety demand, major security activities, emergency rescue, military field and the like due to its powerful function integration, strong complex environment adaptability, high flexibility and the like. However, monitoring shelter may face remote power connection distance, serious power facility damage and the like adverse situations under accident disaster, emergency rescue, field test and the like scenes, needs to use temporary laying line remote connection mains or power generation by generator and the like power supply means, and temporary power supply is difficult to guarantee power stable supply, when being influenced by external voltage, frequency and the like fluctuation, it is easy to cause irreversible damage to cabin internal precision electronic equipment, and seriously can cause electronic equipment abnormal damage, task failure. Therefore, it is very necessary to study a kind of self-protection remote power supply device for monitoring shelter. SUMMARY

[0003] The utility model aims at the problems existing in the prior art, provide a kind of self-protection remote power supply device for monitoring shelter, to realize the safe and stable remote power supply of monitoring shelter.

[0004] The technical solution for achieving the purpose of the utility model is as follows: a kind of self-protection remote power supply device for monitoring shelter, the device includes retractable power cable, and touch screen unit, MCU unit, relay unit, AC / DC unit and sensor unit;

[0005] The input end of the power cable is connected with mains or generator, and the output end is connected with monitoring shelter;

[0006] The touch screen unit is used for setting parameters and transmitting to the MCU unit, and also used for state display;

[0007] The MCU unit is used for receiving and sending instructions;

[0008] The relay unit is used for receiving control signal sent by MCU unit and completing on / off switching;

[0009] The AC / DC unit is used for converting mains into voltage required by other units working;

[0010] The sensor unit is used for detecting power supply state.

[0011] Further, the retractable power supply cable comprises a cable, a fuse, the length of the cable is customizable, and the cable is retracted and released through a reel; the retractable power supply cable further comprises an external plug-in row and a terminal at the output end of the cable, which can connect the power supply cable of the monitoring shelter to the external plug-in row or directly connect the power supply column of the shelter through the terminal.

[0012] Further, the type of the fuse is RT14-40.

[0013] Further, the type of the microprocessor in the MCU unit is STM32F103ZET6.

[0014] Further, the AC / DC unit is used to convert the mains into 3.3V and 12V.

[0015] Further, the AC / DC unit comprises a power module HLK-PM03 and a power module HLK-5M12; wherein the power module HLK-PM03 converts the mains into 3.3V, the pins AC1 and AC2 of which are connected to the mains, and the pins VO+ and VO- output +3.3V voltage externally; the power module HLK-5M12 converts the mains into 12V, the pins AC1 and AC2 of which are connected to the mains, and the pins VO+ and VO- output +12V voltage externally; wherein the 3.3V direct current is connected to the MCU unit, the touch screen unit and the sensor unit, and the 12V voltage is connected to the relay unit.

[0016] Further, the type of the relay used in the relay unit is JQX-30F, the pins 3 and 4 of the relay are connected to the input ends L1 and N1 of the alternating current power supply respectively, the pins 5 and 6 correspond to the output L and N of the alternating current power supply respectively, the pin 7 is connected to the pin VO+ of the power module HLK-5M12, and the pin 8 is connected to the pin 1 of the transistor S9013; the diode 1N4007 has two pins, wherein the pin 1 is connected to the pin 1 of the transistor S9013, and the pin 2 is connected to the pin 7 of the relay RXM2AB2JD; the transistor S9013 has three pins, wherein the pin 3 is connected to the ground, and the pin 2 is connected to the pin 2 of the resistor R2; the pin 1 of the resistor R2 is connected to the pin 47 of the microprocessor STM32F103ZET6.

[0017] Further, the type of the touch screen used in the touch screen unit is DMT80480C070_02WT, which has ten pins, wherein the pins 1, 2 and 3 are connected to the pin VO+ of the power module HLK-PM03, the pins 8, 9 and 10 are connected to the common ground, the touch screen and the MCU unit are connected through a serial port, and the pins 5, 6 and 7 of the touch screen are connected to the pins 101, 102 and 103 of the microprocessor STM32F103ZET6 respectively.

[0018] Furthermore, pins 131 and 130 of the STM32F103ZET6 microprocessor are connected to the +3.3V power input and common ground provided by the power module HLK-PM03, respectively, and pins 23 and 24 are connected to the crystal oscillator, which is grounded through capacitors C1 and C2.

[0019] Furthermore, the sensor unit includes a voltage sensor and a current sensor. The current sensor, model HBC-PS3.3, is connected in series in the power supply circuit. Pin I+ of the current sensor is connected to the L input terminal, pin I- is connected to the L output terminal, and pin IO is connected to pin 26 of the STM32F103ZET6 microprocessor in the MCU unit. The voltage sensor, model HBV-A3.3, has pin V+ connected to the L terminal, pin V- connected to the N terminal, and pin VO connected to pin 27 of the STM32F103ZET6 microprocessor in the MCU unit. Both the current sensor and the voltage sensor operate through a +3.3V power supply provided by the AC / DC unit.

[0020] Compared with existing technologies, this invention has significant advantages: it connects the monitoring cabin to the mains power supply, the power cable length is customizable, and parameters such as voltage limits, current limits, and power-on / off times can be set via a touchscreen unit. The user-friendly interface and sensor unit monitor the power supply status in real time and feed it back to the MCU unit. The MCU unit processes the data and, if the set safe power supply conditions are met, supplies power; otherwise, power is cut off. This device is convenient and safe, effectively preventing abnormal damage to electronic equipment caused by unstable long-distance power supply to the control cabin.

[0021] The present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0022] Figure 1 This is a structural block diagram of the self-protected long-distance power supply device for monitoring cabins according to this utility model.

[0023] Figure 2 This is a schematic diagram of the circuit connection of the self-protected long-distance power supply device for monitoring cabins according to this utility model.

[0024] 1. Power supply cable (including fuse), 2. Relay unit, 3. AC / DC unit, 4. Touch screen unit, 5. MCU unit, 6. Sensor unit. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0026] CombinationFigure 1 A self-protected long-distance power supply device for monitoring cabins is provided. The device includes a retractable power cable 1, a touch screen unit 4, an MCU unit 5, a relay unit 2, an AC / DC unit 3, and a sensor unit 6.

[0027] The input end of the power supply cable is connected to the mains power or a generator, and the output end is connected to the monitoring cabin.

[0028] The touch screen unit is used to set parameters and transmit them to the MCU unit, and also to display status.

[0029] The MCU unit is used to receive and send instructions;

[0030] The relay unit is used to receive control signals sent by the MCU unit and complete the power-on / power-off switching;

[0031] The AC / DC unit is used to convert mains power into the voltage required for other units to operate;

[0032] The sensor unit is used to detect the power supply status.

[0033] Furthermore, in one embodiment, the retractable power supply cable includes a cable and a fuse, and is retracted and extended via a reel (convenient and quick). The length of the cable is customizable, generally exceeding 50m, and can be selected according to specific needs, enabling long-distance connection between the power supply and the control cabin. The retractable power supply cable also includes an external socket and terminal blocks at the cable output end, allowing the monitoring cabin's own power supply cable to be connected to the external socket or directly connected to the cabin's power supply pole via the terminal blocks, making the power supply method flexible.

[0034] Preferably, in some embodiments, the fuse is an RT14-40 fuse.

[0035] Furthermore, in one embodiment, the microprocessor in the MCU unit is an STM32F103ZET6.

[0036] Furthermore, in one embodiment, the AC / DC unit is used to convert mains power to 3.3V and 12V.

[0037] Further, in one embodiment, the AC / DC unit includes a power module HLK-PM03 and a power module HLK-5M12; wherein, the power module HLK-PM03 converts AC mains power to 3.3V, its pins AC1 and AC2 are connected to AC mains power, and its pins VO+ and VO- output +3.3V voltage; the power module HLK-5M12 converts AC mains power to 12V, its pins AC1 and AC2 are connected to AC mains power, and its pins VO+ and VO- output +12V voltage; wherein the 3.3V DC voltage is connected to the MCU unit, the touch screen unit, and the sensor unit, and the 12V voltage is connected to the relay unit.

[0038] Further, in one embodiment, the relay unit uses a JQX-30F relay. Relay pins 3 and 4 are connected to AC power input terminals L1 and N1, respectively. Pins 5 and 6 correspond to AC power output terminals L and N, respectively. Pin 7 is connected to pin VO+ of the power module HLK-5M12. Pin 8 is connected to pin 1 of the transistor S9013. Diode 1N4007 has two pins, with pin 1 connected to pin 1 of the transistor S9013 and pin 2 connected to pin 7 of the relay RXM2AB2JD. Transistor S9013 has three pins, with pin 3 grounded and pin 2 connected to pin 2 of resistor R2. Pin 1 of resistor R2 is connected to pin 47 of the microprocessor STM32F103ZET6.

[0039] Furthermore, in one embodiment, the touchscreen unit uses a DMT80480C070_02WT touchscreen, which features color display and touch functionality. Power supply status information can be viewed in real time via the touchscreen, and parameter setting options are available for parameter configuration and transmission to the MCU unit. The touchscreen has 10 pins, with pins 1, 2, and 3 connected to pin VO+ of the HLK-PM03 power module, and pins 8, 9, and 10 connected to the common ground. The touchscreen and MCU unit are connected via a serial port, and pins 5, 6, and 7 of the touchscreen are connected to pins 101, 102, and 103 of the STM32F103ZET6 microprocessor, respectively.

[0040] Furthermore, in one embodiment, pins 131 and 130 of the microprocessor STM32F103ZET6 are connected to the +3.3V power input and common ground provided by the power module HLK-PM03, respectively, and pins 23 and 24 are connected to the crystal oscillator, which is grounded through capacitors C1 and C2.

[0041] Furthermore, in one embodiment, the sensor unit includes a voltage sensor and a current sensor. The current sensor, model HBC-PS3.3, is connected in series in the power supply circuit. Pin I+ of the current sensor is connected to the L input terminal, pin I- is connected to the L output terminal, and pin IO is connected to pin 26 of the STM32F103ZET6 microprocessor in the MCU unit. The voltage sensor, model HBV-A3.3, has pin V+ connected to the L terminal, pin V- connected to the N terminal, and pin VO connected to pin 27 of the STM32F103ZET6 microprocessor in the MCU unit. Both the current sensor and the voltage sensor operate through a +3.3V power supply provided by the AC / DC unit.

[0042] In use, connect the input end of the power supply cable to the mains power or generator, and connect the output end of the cable to the control cabin. Set the power supply parameters through the touch screen, and receive electrical parameter information fed back by the sensor unit in real time. After processing by the MCU unit, the power supply process can be controlled, and the power supply status information can be viewed in real time on the touch screen.

[0043] In summary, typical control cabins have power cables only 10m to 20m long and lack power protection and monitoring devices, making it difficult to meet the requirements for safe power supply over long distances. This power supply device connects the control cabin to mains power or a generator. Power supply parameters can be set via a touchscreen. During power supply, sensor units monitor the power supply status in real time and feed the information back to the MCU unit. The MCU unit processes and analyzes the data; if the set power supply conditions are met, power is supplied; if the conditions are not met or an abnormal power supply is detected, the MCU unit controls the relay unit to cut off power. This power supply device is safe and convenient, preventing damage to electronic equipment in the control cabin due to unstable power supply.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model without departing from its spirit and scope should be included within the protection scope of this utility model.

Claims

1. A self-protecting remote power supply device for monitoring a shelter, characterized in that, The device comprises a retractable power cable, a touch screen unit, an MCU unit, a relay unit, an AC / DC unit and a sensor unit. The input end of the power cable is connected with a power supply or a generator, and the output end is connected with the monitoring shelter. The touch screen unit is used for setting parameters and transmitting them to the MCU unit, and is also used for state display. The MCU unit is used for accepting and sending instructions. The relay unit is used for receiving the control signal sent by the MCU unit and completing power on / off switching. The AC / DC unit is used for converting the power supply into voltages required by other units. The sensor unit is used for detecting the power supply state.

2. The self-protecting remote power supply for monitoring shelter according to claim 1, characterized in that, The retractable power cable comprises a cable and a fuse, the length of the cable can be customized, and the cable is retracted and released through a reel; the retractable power cable further comprises an external plug-in row and a terminal at the output end of the cable, and the monitoring shelter self-provided power cable can be connected to the external plug-in row or directly connected to the power supply column of the shelter through the terminal.

3. The self-protecting remote power supply for monitoring shelter according to claim 2, wherein, The model of the fuse is RT14-40.

4. The self-protecting remote power supply for monitoring shelter of claim 1, wherein, The model of the microprocessor in the MCU unit is STM32F103ZET6.

5. The self-protecting remote power supply for monitoring shelters according to claim 4, wherein, The AC / DC unit is used for converting the power supply into 3.3V and 12V.

6. The self-protecting remote power supply for monitoring shelters according to claim 5, wherein, The AC / DC unit comprises a power module HLK-PM03 and a power module HLK-5M12; the power module HLK-PM03 converts the power supply into 3.3V, the pins AC1 and AC2 are connected with the power supply, the pins VO+ and VO- output +3.3V voltage externally; the power module HLK-5M12 converts the power supply into 12V, the pins AC1 and AC2 are connected with the power supply, the pins VO+ and VO- output +12V voltage externally; the 3.3V direct current is connected to the MCU unit, the touch screen unit and the sensor unit, and the 12V voltage is connected to the relay unit.

7. The self-protecting remote power supply for monitoring shelters according to claim 4 or 6, characterized in that, The model of the relay used in the relay unit is JQX-30F, the pins 3 and 4 are connected with the input end L1 and N1 of the alternating current power supply respectively, the pins 5 and 6 correspond to the output L and N of the alternating current power supply respectively, the pin 7 is connected with the pin VO+ of the power module HLK-5M12, and the pin 8 is connected with the pin 1 of the transistor S9013; the diode 1N4007 has two pins, the pin 1 is connected with the pin 1 of the transistor S9013, and the pin 2 is connected with the pin 7 of the relay RXM2AB2JD; the transistor S9013 has three pins, the pin 3 is connected with the ground, and the pin 2 is connected with the pin 2 of the resistor R2; the pin 1 of the resistor R2 is connected with the pin 47 of the microprocessor STM32F103ZET6.

8. The self-protecting remote power supply for monitoring shelters of claim 6, wherein, The touch screen unit adopts the touch screen model DMT80480C070_02WT, which has 10 pins, wherein pin 1, pin 2 and pin 3 are connected to the pin VO+ of the power module HLK-PM03, pin 8, pin 9 and pin 10 are connected to the common ground, the touch screen and the MCU unit are connected through a serial port, and pin 5, pin 6 and pin 7 of the touch screen are respectively connected to pin 101, pin 102 and pin 103 of the microprocessor STM32F103ZET6.

9. The self-protecting remote power supply for monitoring shelters of claim 6, wherein, Pin 131 and pin 130 of the microprocessor STM32F103ZET6 are respectively connected to the +3.3V power input and the common ground provided by the power module HLK-PM03, pin 23 and pin 24 are connected to the crystal oscillator, and the crystal oscillator is grounded through the capacitor C1 and the capacitor C2.

10. The self-protecting remote power supply for monitoring shelters of claim 6, wherein, The sensor unit includes a voltage sensor and a current sensor, the current sensor is of the model HBC-PS3.3, is connected in series in the power supply circuit, the pin I+ of the current sensor is connected to the L input end, the pin I- is connected to the L output end, and the pin IO is connected to pin 26 of the microprocessor STM32F103ZET6 of the MCU unit, the voltage sensor is of the model HBV-A3.3, the pin V+ is connected to the L end, the pin V- is connected to the N end, and the pin VO is connected to pin 27 of the microprocessor STM32F103ZET6 of the MCU unit; the current sensor and the voltage sensor both work through the +3.3V power provided by the AC / DC unit.

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