CN213659196U

CN213659196U - Intelligent security power supply and control terminal

Info

Publication number: CN213659196U
Application number: CN202022060146.9U
Authority: CN
Inventors: 张小龙; 叶琪文; 廖国坚
Original assignee: Guangzhou Yunchang Network Technology Co ltd
Current assignee: Guangzhou Yunchang Network Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-07-09
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to a wisdom security protection power supply and control terminal, which comprises an outer shell, be provided with the main control circuit board in the shell, the main control circuit board is including at least: microcontroller, relay circuit module, switching power supply circuit module, voltage detection circuit module, a plurality of power source, a plurality of expansion interface, RS232 serial port communication expansion circuit, RJ45 net gape communication circuit. The utility model discloses can carry out integral type wisdom management such as centralized power supply, operating condition detection and warning, operating condition control for security protection equipment.

Description

Intelligent security power supply and control terminal

Technical Field

The utility model relates to a security protection power supply and control technical field especially relate to a wisdom security protection power supply and control terminal.

Background

The security protection power supply control terminal box is a device for carrying out centralized power supply for security protection equipment, and comprises the following traditional control terminal boxes: only simple on-off control is performed on an input power supply, the function is single, the expansibility and the intelligence are low, the working state of the equipment cannot be detected, and the like, so that the requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a wisdom security protection power supply and control terminal carries out integral type wisdom management such as centralized power supply, operating condition detection and warning, operating condition control for security protection equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a wisdom security protection power supply and control terminal, includes the shell, be provided with main control circuit board in the shell, main control circuit board is at least including: a microcontroller for receiving, processing and transmitting information; the switching power supply circuit module is used for converting an accessed AC 220V power supply into a DC 12V power supply; a plurality of relay circuit modules respectively connected with the microcontroller and the switching power supply circuit module; the relay is used for receiving a signal sent by the microcontroller to control the on-off of the relay; the power interfaces are respectively connected with the relay circuit modules in a one-to-one correspondence manner and are used for connecting loads to supply power; the voltage detection circuit module is respectively connected with the microcontroller and the power supply and is used for acquiring power supply voltage and sending information to the microcontroller; the plurality of expansion interfaces and the RS232 serial port communication expansion circuit are connected with the microcontroller and are used for connecting expansion functions; and the RJ45 network port communication circuit connected with the microcontroller transmits data to a gateway or a server through TCP/IP network communication.

Preferably, the plurality of power interfaces include a camera power interface, a light cat power interface, a lighting lamp power interface, a fan power interface and a reserved power interface.

Preferably, the plurality of expansion interfaces comprise an RS485 interface, two RS232 expansion interfaces, a dry contact output interface, two dry contact input interfaces, and a program downloading and upgrading interface.

Preferably, the main control circuit board is further integrated with a lightning protection circuit module, a current sampling circuit module and a buzzer, and the lightning protection circuit module, the current sampling circuit module and the buzzer are respectively connected with the microcontroller circuit.

Preferably, a super capacitor and a BOOST delay power supply circuit are further integrated on the main control circuit board, and the super capacitor and the BOOST delay power supply circuit are connected with the microcontroller circuit.

Preferably, the master control circuit board is further integrated with a GPS module and a WiFi probe module, and the GPS module and the WiFi probe module are connected with the microcontroller circuit.

Preferably, a fuse is arranged between the relay circuit module and the power interface.

Preferably, the surface of the shell is provided with a function key, and the function key is connected with the microcontroller circuit.

Preferably, an OLED display screen is embedded in the surface of the shell and is connected with the microcontroller through a circuit.

Preferably, a temperature and humidity sensor is further integrated on the main control circuit board, the temperature and humidity sensor is in circuit connection with the microcontroller, and the microcontroller can automatically control the switch of the fan power interface according to a preset temperature and humidity threshold value and a temperature and humidity value detected by the temperature and humidity sensor in real time.

The utility model has the advantages that:

1. an AC 220V-DC 12V switching power supply is integrated, and the power supply can be directly used for supplying power for a direct current camera and a light cat without an external direct current adapter;

2. the switch capable of independently controlling the camera and the optical modem to work detects the working current independently, sets the working current high and low thresholds independently, and sends an alarm to the upper computer through the RJ45 network port communication circuit module when the actual working current exceeds the threshold range;

3. the temperature and humidity value of the environment where the device is located can be detected, a certain threshold value is set, and when the temperature and humidity value exceeds the threshold value, the device automatically and intelligently turns on a power switch of the cooling fan; when the temperature and humidity value is smaller than the threshold value, the device automatically and intelligently turns off a power switch of the cooling fan;

4. the voltage value of the commercial power AC 220V can be detected, and an alarm is given according to a preset voltage high-low threshold value; and when the mains supply is powered off, the super capacitor and the BOOST circuit can continue to supply power for the optical modem in a power-off delayed mode, and power-off alarm information is sent out.

5. The power input port and the load output port are provided with fuses, piezoresistors and anti-detonators, and have overcurrent and overvoltage protection and lightning protection.

6. And a GPS module and a WiFI probe module are integrated. The device can detect the longitude and latitude information of the geographic position of the device and the WiFi MAC address of the mobile terminal near the device.

7. Rich extended interfaces: 2 trunk node inputs, 1 trunk node output, 1 RS485 interface, 2 RS232 expansion serial ports and the like.

Drawings

Fig. 1 is a schematic diagram of a front structure of the intelligent security power supply and control terminal of the present invention;

fig. 2 is a back structural schematic diagram of the intelligent security power supply and control terminal of the present invention;

fig. 3 is a schematic block circuit diagram of the present invention;

fig. 4 is a schematic diagram of a microcontroller according to the present invention;

fig. 5 is a schematic diagram of a switching power supply circuit module according to the present invention;

fig. 6 is a schematic diagram of a relay circuit module according to the present invention;

fig. 7 is a schematic diagram of a voltage detection circuit module according to the present invention;

fig. 8 is a schematic diagram of the BOOST delay power supply circuit of the present invention;

fig. 9 is a schematic diagram of the lightning protection circuit of the present invention.

Shown in the figure: 1-a housing; 2-an OLED display screen; 3-function key; 4-power interface; 41-lighting lamp power interface; 42-optical modem power interface; 43-camera power interface; 44-fan power interface; 45-reserving a power interface; 5-extension interface.

Detailed Description

As shown in fig. 1-9, an embodiment of the present invention provides a smart security power supply and control terminal, which includes a housing 1, a main control circuit board is provided in the housing 1, the main control circuit board at least includes: a microcontroller for receiving, processing and transmitting information; the switching power supply circuit module is used for converting an accessed AC 220V power supply into a DC 12V power supply; a plurality of relay circuit modules respectively connected with the microcontroller and the switching power supply circuit module; the relay is used for receiving a signal sent by the microcontroller to control the on-off of the relay; the power interfaces 4 are respectively connected with the relay circuit modules in a one-to-one correspondence manner and are used for connecting loads to supply power; the voltage detection circuit module is respectively connected with the microcontroller and the power supply and is used for acquiring power supply voltage and sending information to the microcontroller; the expansion interfaces 5 and the RS232 serial port communication expansion circuit are connected with the microcontroller and are used for connecting expansion functions; and the RJ45 network port communication circuit connected with the microcontroller transmits data to a gateway or a server through the TCP/IP network communication circuit.

As shown in fig. 4, the microcontroller adopts an STM32F407VET6 high-performance microcontroller MCU, as shown in fig. 5, the switching power supply circuit module is a switching power supply circuit for converting AC 220V to DC 12V, which is formed by a rectifier bridge U9, a transformer T1, diodes D2, D18, MOS transistors and a power management IC, and converts the input AC 220V into DC 12V for output; the switching power supply circuit module is a common module in the prior art, and specific principles are not described in detail herein.

As shown in fig. 6, the relay circuit module includes a photocoupler U5, a relay K1, a triode Q1, a diode D6, a diode D4, a capacitor C40, a resistor R25, a resistor R29, a resistor R92, a resistor R82, an RV5, an RV6 and a fuse FU2, wherein an input terminal of the photocoupler U5 is connected to a pin of the resistor R25 and the microcontroller, an output terminal of the photocoupler is connected to one terminal of the resistor R27, the other terminal of the resistor R27 is connected to one terminal of the resistor R27 and a base of the triode Q27, the other terminal of the resistor R27 is connected to an emitter of the triode, and grounded, a collector of the triode is connected to one terminal of the diode D27 and a third pin of the relay K27, the other terminal of the diode is connected to a first pin and a second pin of the relay K27, an output terminal of the relay K27 is connected to one terminal of the fuse FU 27, the other terminal of the fuse FU 27 is connected to one terminal of the RV 36, Diode D4, electric capacity C40, resistance R82 and resistance RV6, the high-low level control optoelectronic coupler's of microcontroller output switches on to control relay switch, wherein the relay circuit module has a plurality ofly, controls the switching on of different power interface 4 respectively. In this embodiment, the opto-electric coupler is PC817 and the relay is SRD-12 VDC-SL-B.

As shown in fig. 7, the voltage detection circuit module is composed of a voltage transformer U16, resistors R67, 68, 69 and a capacitor C56, wherein a Vin + end of the voltage transformer U16 is connected with one end of the resistor R67, the other end of the resistor R67 is connected with a live wire, a Vin-end of the voltage transformer U16 is connected with a neutral wire, two ends of the resistor R69 and the capacitor C56 are respectively connected with pins Vo + and Vo-of the voltage transformer U16, and the resistor R68 is connected with a pin Vo + of the voltage transformer U16. The collection of the AC 220V power supply voltage is carried out by utilizing a primary and secondary isolated voltage transformer. The voltage transformer U16 converts the AC 220V voltage into a small signal which can be collected by the microcontroller through isolation. The microcontroller carries out ADC conversion on the small signal, calculates to obtain an actual voltage value, and can send an alarm to a background through an RJ45 network port circuit according to a preset voltage high-low threshold value.

An AC 220V-DC 12V switching power supply is integrated, and power can be directly supplied to a direct current camera and a light cat without an external direct current adapter; the switch that can independent control camera and light cat work independently detects operating current, independently sets up operating current height threshold value, and when actual operating current exceeded the threshold value scope, the device sent an alarm to the host computer.

Further, the plurality of power interfaces 4 include a camera power interface 43, a light cat power interface 42, a lighting lamp power interface 41, a fan power interface 44 and a reserved power interface 45.

In this embodiment, two camera power interfaces 43 output two DC 12V power supplies to power the camera, one modem power interface 42 outputs one DC 12V power supply to supply power for the modem, one lighting lamp power interface 41 outputs one DC 12V power supply to supply power for the lighting lamp, and one fan power interface 44 outputs one AC 220V power supply to supply power for the electric fan, and reserves one reserved power interface 45, and can output the AC 220V power supply for standby.

Further, the plurality of expansion interfaces 5 include an RS485 interface, two RS232 interfaces, a dry contact output interface, two dry contact input interfaces, and a program downloading and upgrading interface.

In this embodiment, the terminal is further provided with a plurality of extension interfaces 5, including an RS485 interface, two RS232 interfaces, a dry contact output interface, and a program downloading and upgrading interface, where the dry contact input can be connected to a travel switch, a water sensor, and the like.

As shown in fig. 3 and 9, a lightning protection circuit module, a current sampling circuit module and a buzzer are further integrated on the main control circuit board, and the lightning protection circuit module, the current sampling circuit module and the buzzer are respectively connected with the microcontroller circuit.

In this embodiment, the lightning protection circuit module is composed of a discharge tube G1 and piezoresistors RV1, RV2 and RV3, one end of the discharge tube G1 is grounded, the other end of the discharge tube G1 is connected with one ends of the piezoresistors RV1 and RV2, the other end of the piezoresistor RV1 is connected with one end of the piezoresistor RV3 and a live wire, and the other end of the piezoresistor RV2 is connected with the other end of the piezoresistor RV3 and a neutral wire. Prevent overvoltage and overcurrent and protect the safety of the circuit. The model of the anti-explosion cap is 2RM470-8-10 KA. When the voltage is detected to exceed the preset alarm value, the microcontroller instructs the buzzer to give an alarm.

As shown in fig. 8, a BOOST voltage-boosting delay power supply circuit is further integrated on the main control circuit board, and the super capacitor and the BOOST voltage-boosting delay power supply circuit are connected to the microcontroller circuit.

As shown in fig. 8, the super capacitors C33, C34 and the BOOST chip form a delay power supply circuit, and when the power supply is disconnected, the charges stored in the super capacitors C33 and C34 are boosted to 12V by the BOOST chip, and are continuously supplied to the optical modem for about 5 s. The BOOST delay power supply circuit is a common circuit module in the prior art, and the specific principle is not described in detail herein.

Furthermore, a GPS module and a WiFi probe module are integrated on the main control circuit board, and the GPS module and the WiFi probe module are connected with the microcontroller circuit.

In the embodiment, the GPS module and the WiFI probe module are integrated. The device can detect longitude and latitude information of the geographic position where the device is located, and detect the WiFi MAC address of the mobile terminal passing through the cathode of the device. The GPS module and the WiFI probe module are prior art and will not be described in detail here.

Further, a fuse is arranged between the relay circuit module and the power interface 4. In this embodiment, through installing overcurrent fuse additional between relay and load, avoid unusual overcurrent to get into the load, damage electrical apparatus, further ensure power consumption safety.

Furthermore, the surface of the shell 1 is provided with a function key 3, and the function key 3 is connected with the microcontroller circuit. The terminal is controlled to work through the function keys 3.

Further, an OLED display screen 2 is embedded in the surface of the shell 1, and the OLED display screen 2 is connected with the microcontroller through a circuit. The OLED display screen 2 can be used for carrying out local visual parameter inquiry and setting on the device.

Furthermore, a temperature and humidity sensor is further integrated on the main control circuit board and is in circuit connection with the microcontroller.

In this embodiment, when the temperature and humidity sensor detects that the internal environment of the terminal is too high, the microcontroller sends an instruction to the relay circuit module connected to the fan power interface 44, and the relay switch is turned on to enable the external cooling fan to be powered on to perform cooling.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an intelligence security protection power supply and control terminal which characterized in that: including the shell, be provided with the main control circuit board in the shell, the main control circuit board is at least including:

a microcontroller for receiving, processing and transmitting information;

the switching power supply circuit module is used for converting an accessed AC 220V power supply into a DC 12V power supply;

a plurality of relay circuit modules respectively connected with the microcontroller and the switching power supply circuit module; the relay is used for receiving a signal sent by the microcontroller to control the on-off of the relay;

the power interfaces are respectively connected with the relay circuit modules in a one-to-one correspondence manner and are used for connecting loads to supply power;

the voltage detection circuit module is respectively connected with the microcontroller and the power supply and is used for acquiring power supply voltage and sending information to the microcontroller;

the plurality of expansion interfaces and the RS232 serial port communication expansion circuit are connected with the microcontroller and are used for connecting expansion functions;

and the RJ45 network port circuit connected with the microcontroller transmits data to a gateway or a server through TCP/IP network communication.

2. The intelligent security power supply and control terminal as recited in claim 1, wherein: the power interfaces comprise a camera power interface, a light cat power interface, a lighting lamp power interface, a fan power interface and a reserved power interface.

3. The intelligent security power supply and control terminal as recited in claim 1, wherein: the plurality of expansion interfaces comprise an RS485 interface, two RS232 expansion interfaces, a dry contact output interface, two dry contact input interfaces and a program downloading and upgrading interface.

4. The intelligent security power supply and control terminal as recited in claim 1, wherein: the main control circuit board is integrated with a lightning protection circuit and a fuse, and the lightning protection circuit and the fuse are respectively connected with the switching power supply circuit module and the power interface circuit.

5. The intelligent security power supply and control terminal as recited in claim 1, wherein: the master control circuit board is further integrated with a super capacitor and a BOOST delay power supply circuit, and the super capacitor and the BOOST delay power supply circuit are connected with the microcontroller circuit and the optical modem power interface.

6. The intelligent security power supply and control terminal as recited in claim 1, wherein: the main control circuit board is further integrated with a GPS module and a WiFi probe module, and the GPS module and the WiFi probe module are connected with the microcontroller through circuits.

7. The intelligent security power supply and control terminal as recited in claim 1, wherein: the master control circuit board is further integrated with a buzzer, and the buzzer is connected with the microcontroller through a circuit.

8. The intelligent security power supply and control terminal as recited in claim 1, wherein: and the surface of the shell is provided with a function key, and the function key is connected with the microcontroller circuit.

9. The intelligent security power supply and control terminal as recited in claim 1, wherein: and an OLED display screen is embedded in the surface of the shell and is connected with the microcontroller circuit.

10. The intelligent security power supply and control terminal as recited in claim 2, wherein: the main control circuit board is further integrated with a temperature and humidity sensor, the temperature and humidity sensor is connected with the microcontroller through a circuit, and the microcontroller can automatically control the switch of the fan power interface according to a preset temperature and humidity threshold value and a temperature and humidity value detected in real time.