CN212301878U

CN212301878U - Cloud sky gas radar power supply and remote monitoring device are surveyed to KA wave band

Info

Publication number: CN212301878U
Application number: CN202020415646.7U
Authority: CN
Inventors: 邓芳林
Original assignee: CHENGDU YUANWANG TECHNOLOGY CO LTD
Current assignee: CHENGDU YUANWANG TECHNOLOGY CO LTD
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2021-01-05
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a cloud sky radar power supply and remote monitoring device are surveyed to KA waveband, including power filter input unit, at least one commercial power supply passageway, at least one UPS power supply passageway and circuit monitor unit. The utility model discloses the unusual outage of commercial power can not stop work at once, and UPS electric energy has consumed up just can stop, avoids the unusual outage of commercial power to cause the damage to electronic equipment such as radars, realizes the real-time remote monitoring data of multichannel circuit power supply and electrical parameter, easy maintenance.

Description

Cloud sky gas radar power supply and remote monitoring device are surveyed to KA wave band

Technical Field

The utility model relates to a radar power supply and monitoring technology field especially relate to a cloud sky radar power supply and remote monitoring device are surveyed to KA waveband.

Background

With the continuous deepening of modern weather business and service, the role of the weather radar in major activities and monitoring of disastrous weather is increasingly prominent, and the requirement on the emergency guarantee capability is higher and higher. In the radar industry, many kinds of small and medium-sized radars, such as radars with a plurality of signals in KA band, S band, X band, etc., appear. The method is applied to radar signal communication of different wave bands. In outdoor environment work, the radars often encounter the problems of severe environment weather and unstable power supply, so that the correctness of radar data is affected and abnormal power failure is easy to occur.

The conventional UPS equipment has one input and one output, and cannot realize remote monitoring of a multi-path circuit; the local mode fixed point is used for power supply monitoring, the cable is too long, and the cable is difficult to maintain when in problem; in addition, the abnormal power failure of the mains supply easily damages electronic equipment such as radars.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve the above problems and provide a power supply and remote monitoring device for a KA band cloud weather radar, which comprises a power filter input unit, at least one commercial power supply channel, at least one UPS power supply channel, and a circuit monitoring unit; the power supply filtering input unit is connected with the mains supply channel and the UPS power supply channel; the mains supply channel and the UPS supply channel both comprise an overcurrent protection unit, a switch unit and a power supply output end; the power supply filtering input unit is connected with the input end of the switch unit through the overcurrent protection unit; the output end of the switch unit is connected with the input end of the circuit monitoring unit and the power supply output end; the circuit monitoring unit is used for monitoring electrical parameters.

The beneficial effects of the utility model reside in that: the utility model discloses the unusual outage of commercial power can not stop work at once, and UPS electric energy has consumed up just can stop, avoids the unusual outage of commercial power to cause the damage to electronic equipment such as radars, realizes the real-time remote monitoring data of multichannel circuit power supply and electrical parameter, easy maintenance.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a system schematic of a voltage current acquisition circuit;

FIG. 3 is a circuit diagram of a voltage transformer circuit;

FIG. 4 is a circuit diagram of a current transformer circuit;

fig. 5 is a circuit diagram of a network communication module.

In the figure: r1 — first resistance; r2 — second resistance; r3 — third resistance; r4-fourth resistor; r5-fifth resistor; r6-sixth resistance; r7 — seventh resistor; r8 — eighth resistance; r9 — ninth resistor; r10 — tenth resistance; r11 — eleventh resistor; r12 — twelfth resistor; r13 — thirteenth resistor; r14-fourteenth resistance; r15-fifteenth resistance; r16 — sixteenth resistance; c1 — first capacitance; c2 — second capacitance; c3 — third capacitance; c4-fourth capacitance; u1 — first coupler; u2 — second coupler; u3 — third coupler; u4-transceiver.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1, the utility model relates to a KA band surveys cloud sky radar power supply and remote monitoring device, including power filtering input unit, at least one commercial power supply channel, at least one UPS power supply channel and circuit monitoring unit; the power supply filtering input unit is connected with the mains supply channel and the UPS power supply channel; the mains supply channel and the UPS supply channel both comprise an overcurrent protection unit, a switch unit and a power supply output end; the power supply filtering input unit is connected with the input end of the switch unit through the overcurrent protection unit; the output end of the switch unit is connected with the input end of the circuit monitoring unit and the power supply output end; the circuit monitoring unit is used for monitoring electrical parameters.

Specifically, the circuit monitoring unit comprises a voltage and current acquisition circuit, a processor unit, a storage unit, a network communication module and a display unit; the voltage and current acquisition circuit, the storage unit, the network communication module and the display unit are respectively connected with the processor unit.

Specifically, the voltage and current acquisition circuit comprises a voltage transformer circuit and a current transformer circuit; the input end of the voltage transformer circuit and the input end of the current transformer circuit are respectively connected with the output end of the switch unit; and the output end of the voltage transformer circuit and the output end of the current transformer circuit are respectively connected with the input end of the processor unit.

Specifically, the voltage transformer circuit comprises a voltage wiring terminal, a first resistor, a second resistor, a voltage transformer, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first capacitor and a second capacitor; the input end of the voltage wiring terminal is connected with the output end of the switch unit; the first output end of the voltage wiring terminal is connected with the first input end of the voltage transformer through a first resistor; the voltage wiring terminal is connected with a second input end of the voltage transformer through a second resistor; the first output end of the voltage transformer is grounded through a third resistor; the second output end of the voltage transformer is grounded through a fourth resistor; the first output end of the voltage transformer is connected with the first end of the first capacitor and the first input end of the processor unit through a fifth resistor; the second output end of the voltage transformer is connected with the second end of the second capacitor and the second input end of the processor unit through a sixth resistor; the second end of the first capacitor and the first end of the second capacitor are grounded.

Specifically, the current transformer circuit comprises a current transformer, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a third capacitor and a fourth capacitor; the first output end of the current transformer is grounded through a seventh resistor; the second output end of the current transformer is grounded through an eighth resistor; the first output end of the current transformer is connected with the first end of a third capacitor and the third input end of the processor unit through a ninth resistor; the second output end of the current transformer is connected with the second end of a fourth capacitor and the fourth input end of the processor unit through a tenth resistor; and the second end of the third capacitor and the first end of the fourth capacitor are grounded.

Specifically, the network communication module includes a dc power supply, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a first coupler, a second coupler, a third coupler, a transceiver, an eleventh resistor, and a twelfth resistor; the direct current power supply is respectively connected with a first end of a twelfth resistor, a first end of a thirteenth resistor and a first end of a fourteenth resistor through an eleventh resistor; the second end of the twelfth resistor is connected with the first input end of the transceiver through a first coupler; the second end of the thirteenth resistor is connected with the second input end of the transceiver through a second coupler; a second end of the fourteenth resistor is connected with a third input end of the transceiver through a third coupler; the first output end of the transceiver is connected with the processor unit through a fifteenth resistor; and the second output end of the transceiver is connected with the processor unit through a sixteenth resistor.

The working principle specifically comprises: one path of mains supply is input, and the input mains supply is shunted after filtering and is divided into a plurality of channels for supplying power, wherein 3 paths adopt UPS power supply, and 2 paths adopt mains supply power supply; the overcurrent protection circuit is used for carrying out overcurrent protection on the circuit, the switch is used for controlling the circuit to be switched on and switched off, and the output end of the overcurrent protection circuit is monitored through the voltage transformer circuit and the current transformer circuit; the circuit monitoring unit collects voltage and current data and sends the voltage and current data to other monitoring terminals, such as a computer terminal, through the network communication module.

The main control chip adopts STM32F103RET6, has a built-in high-speed memory, comprises a 12-bit ADC, a 16-bit timer and a PWM timer, and further comprises a communication interface: an I2C interface, an SPI interface, an I2S interface, an SDIO interface, a USART interface, a USB interface and a CAN interface.

The network communication module adopts optical coupling isolation and an RS485 bus chip ADM3485EAR, thereby not only protecting the network communication module, but also protecting other electronic equipment and ensuring the network communication quality. The RS-485 interface has good noise interference resistance, long transmission distance and multi-station transmission capability.

The display unit adopts an LCD liquid crystal screen connected by an SPI bus, the transmission speed is high, and the anti-interference capability is strong.

The utility model discloses the unusual outage of commercial power can not stop work at once, and UPS electric energy has consumed up just can stop, avoids the unusual outage of commercial power to cause the damage to electronic equipment such as radars, realizes the real-time remote monitoring data of multichannel circuit power supply and electrical parameter, easy maintenance.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims

1. A power supply and remote monitoring device for a KA waveband cloud-measuring antenna radar is characterized by comprising a power supply filtering input unit, at least one commercial power supply channel, at least one UPS power supply channel and a circuit monitoring unit; the power supply filtering input unit is connected with the mains supply channel and the UPS power supply channel; the mains supply channel and the UPS supply channel both comprise an overcurrent protection unit, a switch unit and a power supply output end; the power supply filtering input unit is connected with the input end of the switch unit through the overcurrent protection unit; the output end of the switch unit is connected with the input end of the circuit monitoring unit and the power supply output end; the circuit monitoring unit is used for monitoring electrical parameters.

2. The power supply and remote monitoring device for the cloud weather radar in the KA band of claim 1, wherein the circuit monitoring unit comprises a voltage and current acquisition circuit, a processor unit, a storage unit, a network communication module and a display unit; the voltage and current acquisition circuit, the storage unit, the network communication module and the display unit are respectively connected with the processor unit.

3. The device of claim 2, wherein the voltage and current acquisition circuit comprises a voltage transformer circuit and a current transformer circuit; the input end of the voltage transformer circuit and the input end of the current transformer circuit are respectively connected with the output end of the switch unit; and the output end of the voltage transformer circuit and the output end of the current transformer circuit are respectively connected with the input end of the processor unit.

4. The device of claim 3, wherein the voltage transformer circuit comprises a voltage connection terminal, a first resistor, a second resistor, a voltage transformer, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first capacitor and a second capacitor; the input end of the voltage wiring terminal is connected with the output end of the switch unit; the first output end of the voltage wiring terminal is connected with the first input end of the voltage transformer through a first resistor; the voltage wiring terminal is connected with a second input end of the voltage transformer through a second resistor; the first output end of the voltage transformer is grounded through a third resistor; the second output end of the voltage transformer is grounded through a fourth resistor; the first output end of the voltage transformer is connected with the first end of the first capacitor and the first input end of the processor unit through a fifth resistor; the second output end of the voltage transformer is connected with the second end of the second capacitor and the second input end of the processor unit through a sixth resistor; the second end of the first capacitor and the first end of the second capacitor are grounded.

5. The device of claim 3, wherein the current transformer circuit comprises a current transformer, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a third capacitor and a fourth capacitor; the first output end of the current transformer is grounded through a seventh resistor; the second output end of the current transformer is grounded through an eighth resistor; the first output end of the current transformer is connected with the first end of a third capacitor and the third input end of the processor unit through a ninth resistor; the second output end of the current transformer is connected with the second end of a fourth capacitor and the fourth input end of the processor unit through a tenth resistor; and the second end of the third capacitor and the first end of the fourth capacitor are grounded.

6. The device of claim 2, wherein the network communication module comprises a dc power supply, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a first coupler, a second coupler, a third coupler, a transceiver, an eleventh resistor and a twelfth resistor; the direct current power supply is respectively connected with a first end of a twelfth resistor, a first end of a thirteenth resistor and a first end of a fourteenth resistor through an eleventh resistor; the second end of the twelfth resistor is connected with the first input end of the transceiver through a first coupler; the second end of the thirteenth resistor is connected with the second input end of the transceiver through a second coupler; a second end of the fourteenth resistor is connected with a third input end of the transceiver through a third coupler; the first output end of the transceiver is connected with the processor unit through a fifteenth resistor; and the second output end of the transceiver is connected with the processor unit through a sixteenth resistor.