CN215344397U - Management type high frequency power supply - Google Patents
Management type high frequency power supply Download PDFInfo
- Publication number
- CN215344397U CN215344397U CN202121531286.8U CN202121531286U CN215344397U CN 215344397 U CN215344397 U CN 215344397U CN 202121531286 U CN202121531286 U CN 202121531286U CN 215344397 U CN215344397 U CN 215344397U
- Authority
- CN
- China
- Prior art keywords
- unit
- power supply
- serial port
- main control
- control unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a management type high-frequency power supply, which comprises a step-down rectification unit, a main control unit, a power supply unit, a first photoelectric coupler, a second photoelectric coupler and a communication serial port unit, wherein the step-down rectification unit is used for converting input alternating-current voltage into direct-current voltage and outputting the direct-current voltage. The output end of the voltage reduction and rectification unit is connected to the input end of the power supply unit, and the output end of the power supply unit is respectively connected to the main control unit, the first photoelectric coupler, the second photoelectric coupler and the communication serial port unit and used for generating voltage required by the management type high-frequency power supply. The first photoelectric coupler is respectively connected to the output ends of the main control unit and the step-down rectifying unit and used for converting the voltage at the output end of the step-down rectifying unit into the voltage detectable by the main control unit; the second photoelectric coupler is connected to the main control unit and the communication serial port unit respectively and used for isolating the main control unit and the communication serial port unit. The device voltage and the device current can be detected in real time through the main control unit through the first photoelectric coupler.
Description
Technical Field
The present invention relates to a power supply, and more particularly, to a managed high frequency power supply.
Background
The high-frequency power supply is used for providing a reliable working power supply for equipment, and alternating current is input and direct current is output. The existing high-frequency power supply only can realize the function of voltage reduction and rectification, but cannot realize the management of the high-frequency power supply, cannot know the voltage and current conditions of the high-frequency power supply in the using process, and cannot be externally connected with a control device to detect and control the high-frequency power supply.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, on the one hand, the management type high-frequency power supply is provided, and can be in butt joint with network management serial ports corresponding to other equipment through a communication serial port, so that the online reading of power supply information such as equipment voltage, equipment current and the like is realized.
In order to achieve the above object, on one hand, the following technical solutions are provided:
the utility model provides a management type high frequency power supply, its is including step-down rectifier unit for convert the alternating voltage who inputs into direct current voltage and export, still including main control unit, power supply unit, first photoelectric coupler, second photoelectric coupler and communication serial units.
The output end of the voltage reduction and rectification unit is connected to the input end of the power supply unit, and the output end of the power supply unit is respectively connected to the main control unit, the first photoelectric coupler, the second photoelectric coupler and the communication serial port unit and used for generating voltage required by the management type high-frequency power supply.
The first photoelectric coupler is respectively connected to the output ends of the main control unit and the step-down rectifying unit and used for converting the voltage at the output end of the step-down rectifying unit into the voltage detectable by the main control unit;
the second photoelectric coupler is connected to the main control unit and the communication serial port unit respectively and used for isolating the main control unit and the communication serial port unit.
The communication serial port unit is used for connecting external equipment.
To sum up, the following beneficial effects are achieved in the technical scheme: the device voltage and the device current can be detected in real time through the main control unit through the first photoelectric coupler. The network management function is realized by butting the communication serial port with the network management serial ports corresponding to other equipment, and power supply information such as equipment voltage, equipment current and the like can be read on line. The equipment has the characteristics of safety, reliability, stable performance, economy, practicability and the like.
Drawings
FIG. 1 is a schematic diagram of a modular structure of a managed high frequency power supply;
fig. 2 is a schematic circuit diagram of a transistor 9Q30 of a managed hf power supply;
FIG. 3 is a schematic circuit diagram of an electrical protection module for a managed high frequency power supply;
fig. 4 is a schematic circuit diagram of an analog switch unit of a managed high-frequency power supply.
Reference numerals: 10. a step-down rectification unit; 20. a main control unit; 30. a power supply unit; 40. a first photocoupler; 50. a second photoelectric coupler; 60. a communication serial port unit; 61. an RJ45 interface; 62. RS232 serial port driver; 63. RS485 serial driver; 64. a serial port logic processor; 65. a protection module; 70. a third photoelectric coupler; 80. a logic signal driving unit; 90. an analog switch unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, a managed high-frequency power supply includes a step-down rectification unit 10 for converting an input ac voltage into a dc voltage and outputting the dc voltage, a main control unit 20, a power supply unit 30, a first photocoupler 40, a second photocoupler 50, and a communication serial port unit 60; the output end of the step-down rectifying unit 10 is connected to the input end of the power supply unit 30, and the output end of the power supply unit 30 is respectively connected to the main control unit 20, the first photoelectric coupler 40, the second photoelectric coupler 50 and the communication serial port unit 60, and is used for generating voltage required by the management-type high-frequency power supply; the first photocoupler 40 is respectively connected to the output ends of the main control unit 20 and the buck rectifying unit 10, and is used for converting the voltage at the output end of the buck rectifying unit 10 into a voltage detectable by the main control unit 20; the second photocoupler 50 is respectively connected to the main control unit 20 and the communication serial port unit 60, and is used for isolating the main control unit 20 and the communication serial port unit 60; the communication serial unit 60 is used for connecting an external device. The device voltage and the device current can be detected in real time through the main control unit 20 via the first photocoupler 40. The network management function is realized by butting the communication serial port with the network management serial ports corresponding to other equipment, and power supply information such as equipment voltage, equipment current and the like can be read on line. The equipment has the characteristics of safety, reliability, stable performance, economy, practicability and the like.
The communication serial port unit 60 comprises an RJ45 interface 61, an RS232 serial port driver 62 and an RS485 serial port driver 63 which are respectively connected to the power supply unit 30, the RS232 serial port driver 62 is respectively connected to the RS485 serial port driver 63 and the RJ45 interface 61, and the RS485 serial port driver 63 is connected between the second photocoupler 50 and the RJ45 interface 61.
The communication serial port unit 60 further comprises a serial port logic processor 64 connected to the power supply unit 30, the serial port logic processor 64 is connected with the main control unit 20 through the third photoelectric coupler 70, and the serial port logic processor 64 is further connected to an RS232 serial port driver 62, an RS485 serial port driver 63 and an RJ45 interface 61 respectively.
As shown in fig. 2, the communication serial port unit 60 further includes a transistor 9Q30 connected to the power supply unit 30, a base of the transistor 9Q30 is connected to the RS485 serial port driver 63 through a resistor 9R30 and is commonly grounded through a resistor 9R31 and an emitter, a collector is connected to the RS485 serial port driver 63 and is connected to the power supply unit 30 through a resistor 9R32, and the transistor 9Q30 is configured to generate an enable signal input and output by the RS485 serial port driver 63.
As shown in fig. 3, the serial communication unit 60 further includes a protection module 65, and the RS485 serial driver 63 is connected to the RJ45 interface 61 through the protection module 65. The protection module 65 includes a thermistor 9RT1, a thermistor 9RT2, a diode 9DZ3, a diode 9DZ4 and a diode 9DZ5, a first end of the thermistor 9RT1 is connected to the RS485 serial driver 63, a second end of the thermistor 9RT1 is connected to the RJ45 interface 61, a first end of the thermistor 9RT2 is connected to the RS485 serial driver 63, a second end of the thermistor is connected to the RJ45 interface 61, a first end of the thermistor 9RT1 is further connected to a cathode of the diode 9DZ3 and a cathode of the diode 9DZ4, a first end of the thermistor 9RT2 is further connected to an anode of the diode 9DZ4 and a cathode of the diode 9DZ5, and an anode of the diode 9DZ3 and an anode of the diode 9DZ5 are respectively grounded.
A logic signal driving unit 80 connected to the main control unit 20 and the power supply unit 30, respectively, is further included.
As shown in fig. 4, an analog switch unit 90 is further included, which is connected to the main control unit 20 and the power supply unit 30, respectively, and is used for controlling on/off between the main control unit 20 and the power supply unit 30. The analog switch unit 90 includes an analog switch 1U2, the NO pin and the 6ND pin of the analog switch 1U2 are grounded together, the NC pin is connected to one end of a capacitor C1 and one end of a resistor 1R1, the other end of the resistor 1R1 is connected to one end of a manganin resistor 1L1, the other end of a capacitor C1 and the other end of the manganin resistor 1L1 are grounded, the TN pin is connected to the main control unit 20, the V + pin is connected to the power supply unit 30 and one end of the resistor 1R3, the COM pin is connected to one end of a resistor 1R2, the other end of the resistor 1R3 and the other end of the resistor 1R2 are connected to the non-inverting input terminal of the operational amplifier 3U1B, the directional input terminal of the operational amplifier 3U1B is connected to one end of the resistor 1R4 and one end of the adjustable resistor 1VR1, the other end of the resistor 1R4 is grounded, the other end of the adjustable resistor 1VR1 is connected to one end of the resistor 1R5, and the output end of the operational amplifier 3U1B is connected to the other end of the resistor 1R5 and the main control unit 20 respectively.
The management type high-frequency power supply is provided with two backup voltage reduction rectifying units 10, and the first photoelectric couplers 40 are respectively used for detecting the voltage and the current output by the two voltage reduction rectifying units 10.
The management type high-frequency power supply can provide reliable working power supply for equipment, the input voltage is 180-264VAC, the output voltage is DC48V universal power supply, and the output highest current is 10A. The high-frequency power supply has double backup functions, can detect equipment voltage and equipment current in real time, and displays the equipment voltage and the equipment current in real time through the 3-bit nixie tube. The network management function is realized by butting the communication serial port with the network management serial ports corresponding to other equipment, and power supply information such as equipment voltage, equipment current and the like can be read on line. The equipment has the characteristics of safety, reliability, stable performance, economy, practicality and the like
Each interface has good overcurrent, overvoltage and reverse connection protection; the network management function can be realized, and the online upgrading service can be realized; the device power supply double backup function; and detecting the equipment voltage and the equipment current in real time, and displaying the equipment voltage and the equipment current in real time through a 3-bit nixie tube.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (7)
1. A management type high-frequency power supply comprises a step-down rectifying unit (10) for converting an input alternating-current voltage into a direct-current voltage and outputting the direct-current voltage, and is characterized by comprising a main control unit (20), a power supply unit (30), a first photoelectric coupler (40), a second photoelectric coupler (50) and a communication serial port unit (60);
the output end of the voltage reduction rectifying unit (10) is connected to the input end of a power supply unit (30), and the output end of the power supply unit (30) is respectively connected to the main control unit (20), the first photoelectric coupler (40), the second photoelectric coupler (50) and the communication serial port unit (60) and used for generating voltage required by the management type high-frequency power supply;
the first photoelectric coupler (40) is respectively connected to the output ends of the main control unit (20) and the step-down rectifying unit (10) and is used for converting the voltage at the output end of the step-down rectifying unit (10) into the voltage detectable by the main control unit (20);
the second photoelectric coupler (50) is respectively connected to the main control unit (20) and the communication serial port unit (60) and used for isolating the main control unit (20) and the communication serial port unit (60);
and the communication serial port unit (60) is used for connecting external equipment.
2. The managed high-frequency power supply according to claim 1, wherein the communication serial port unit (60) comprises an RJ45 interface (61) and an RS232 serial port driver (62) and an RS485 serial port driver (63) respectively connected to the power supply unit (30), the RS232 serial port driver (62) is respectively connected to the RS485 serial port driver (63) and the RJ45 interface (61), and the RS485 serial port driver (63) is connected between the second photocoupler (50) and the RJ45 interface (61).
3. The managed high-frequency power supply according to claim 2, further comprising a third photocoupler (70) connected to the power supply unit (30), wherein the communication serial unit (60) further comprises a serial logic processor (64) connected to the power supply unit (30), the serial logic processor (64) is connected to the main control unit (20) through the third photocoupler (70), and the serial logic processor (64) is further connected to an RS232 serial driver (62), an RS485 serial driver (63), and an RJ45 interface (61), respectively.
4. The managed high-frequency power supply according to claim 3, wherein the communication serial port unit (60) further comprises a transistor 9Q30 connected to the power supply unit (30), a base of the transistor 9Q30 is connected to the RS485 serial port driver (63) through a resistor 9R30 and is commonly grounded through a resistor 9R31 and an emitter, a collector is connected to the RS485 serial port driver (63) and is connected to the power supply unit (30) through a resistor 9R32, and the transistor 9Q30 is used for generating an enabling signal input and output by the RS485 serial port driver (63).
5. The managed high-frequency power supply according to claim 2, wherein the communication serial port unit (60) further comprises a protection module (65), and the RS485 serial port driver (63) is connected to the RJ45 interface (61) through the protection module (65).
6. The managed high-frequency power supply according to claim 3, further comprising a logic signal driving unit (80) connected to the main control unit (20) and the power supply unit (30), respectively.
7. The managed high-frequency power supply according to any one of claims 1-6, further comprising analog switch units (90) respectively connected to the main control unit (20) and the power supply unit (30) for controlling on/off between the main control unit (20) and the power supply unit (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121531286.8U CN215344397U (en) | 2021-07-06 | 2021-07-06 | Management type high frequency power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121531286.8U CN215344397U (en) | 2021-07-06 | 2021-07-06 | Management type high frequency power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215344397U true CN215344397U (en) | 2021-12-28 |
Family
ID=79565268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121531286.8U Active CN215344397U (en) | 2021-07-06 | 2021-07-06 | Management type high frequency power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215344397U (en) |
-
2021
- 2021-07-06 CN CN202121531286.8U patent/CN215344397U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103326325B (en) | Switching Power Supply output short-circuit and under-voltage protecting circuit | |
| CN207677511U (en) | Power loss event reporting device and system | |
| CN215344397U (en) | Management type high frequency power supply | |
| CN103201638B (en) | Supply unit | |
| CN209746083U (en) | Offline simulation debugging device for arc suppression coil | |
| CN103576034B (en) | The pick-up unit of charger power module | |
| CN110967579A (en) | Test source of no-load metering loop automatic detection equipment | |
| CN203225836U (en) | Zero power consumption standby circuit and display terminal | |
| CN203643552U (en) | Digital fault indicator for power distribution network | |
| CN109980458B (en) | Control circuit and transformer socket | |
| CN203205828U (en) | LED driving power supply input overvoltage protection circuit | |
| CN208489648U (en) | Three-phase short of electricity monitoring device | |
| CN202308640U (en) | Intelligent socket | |
| CN112865014A (en) | Leakage current relay protection circuit | |
| CN208335133U (en) | A kind of power-fail detection circuit and computer | |
| CN214045172U (en) | Air conditioner power supply switching circuit and air conditioner | |
| CN215498285U (en) | Refined intelligent power capacitance compensation device | |
| CN206388056U (en) | A kind of Household electric energy automaton for burning voltage | |
| CN211859605U (en) | Complementary block terminal of commercial power photovoltaic | |
| CN213879664U (en) | Power supply circuit and power supply equipment | |
| CN204882841U (en) | Power automatic testing control circuit | |
| CN215990185U (en) | Overvoltage protection circuit and electrical equipment | |
| CN218498871U (en) | Multifunctional automatic transfer switch electric appliance | |
| CN214256153U (en) | Power adapter with auxiliary power supply circuit | |
| CN212060953U (en) | Timing logic controller circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |