CN207098756U - High-potting frequency-converting power supply based on remote controllers - Google Patents
High-potting frequency-converting power supply based on remote controllers Download PDFInfo
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- CN207098756U CN207098756U CN201720911511.8U CN201720911511U CN207098756U CN 207098756 U CN207098756 U CN 207098756U CN 201720911511 U CN201720911511 U CN 201720911511U CN 207098756 U CN207098756 U CN 207098756U
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- remote controllers
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- frequency power
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Abstract
A kind of high-potting frequency-converting power supply based on remote controllers, including：Remote controllers, aviation plug cable and variable-frequency power sources, wherein：The input of variable-frequency power sources is connected by aviation plug cable with the output end of remote controllers, and the output end of variable-frequency power sources is connected by optical fiber with the input of remote controllers；Remote controllers include：Photoelectric switching circuit, liquid crystal display circuit and electric signal processing circuit, wherein：Photoelectric switching circuit and liquid crystal display circuit are connected with electric signal processing circuit respectively；The utility model is solved the problems, such as signal attenuation in conventional serial interface communication and is easily disturbed using optical fiber transmission and cable transmission combination technique.
Description
Technical field
The utility model relates to a kind of technology of variable-frequency power sources control field, is specifically that one kind is based on remote controllers
High-potting frequency-converting power supply.
Background technology
As domestic extra-high voltage is fast-developing, power Transmission voltage class more and more higher, state's net is to equipment for power transmission and distribution and biography
Transmission cable reliability proposes requirements at the higher level, and ac voltage withstanding experiment need to be improved further with the safety and reliability of variable-frequency power sources.
At present, the most of variable-frequency power sources linear quadratic control parts in domestic and international market belong to concentration with strong power part collection together in a casing
Control；Although part variable-frequency power sources has remote control function, its conventional communication mode used is easily interfered, remotely
Control function is unstable.
Utility model content
The utility model uses cable connection variable-frequency power sources and control panel more for prior art, and signal of communication is easily by dry
Disturb, and transmission range, the defects of transmission rate is limited, propose a kind of high-potting variable-frequency power sources based on remote controllers
System, combination of fiber-optic transmission and cable transmission, solve signal attenuation in conventional serial interface communication and be easily disturbed problem, make high pressure
Variable-frequency power sources in experimental enviroment is safer, more reliable.
The utility model is achieved through the following technical solutions：
The utility model includes：Remote controllers, aviation plug cable and variable-frequency power sources, wherein：The input of variable-frequency power sources
End is connected by aviation plug cable with the output end of remote controllers, and the output end of variable-frequency power sources passes through optical fiber and remote control
The input of device is connected.
Described remote controllers include：Photoelectric switching circuit, liquid crystal display circuit and electric signal processing circuit, wherein：
Photoelectric switching circuit and liquid crystal display circuit are connected with electric signal processing circuit respectively.
Described remote controllers are provided with optical fiber interface, aviation plug cable interface and input power interface, wherein：Light
Fine interface is connected with optical fiber, aviation plug cable interface and aviation plug cable connection, input power interface cut-in operation power supply.
Technique effect
Compared with prior art, the utility model passes through electric light/photoelectric switching circuit so that signal of communication is in the form of light
Transmit in a fiber, the equivalent signal of communication that instead of transmits in the cable in form of electricity, realizes high-potting variable-frequency power sources
At a distance, high-speed, safe and reliable control.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram；
Fig. 2 is remote controllers schematic diagram；
Fig. 3 is remote controllers functional schematic；
Fig. 4 is photoelectric conversion plate schematic diagram；
Fig. 5 is key switch, divide-shut brake and jerk control schematic diagram；
In figure：1 photoelectric switching circuit, 2 touch LCD screens, 3 electric signal processing circuits, 4 optical fiber interfaces, 5 aviations
Multi-plug cable interface, 6 input power interfaces.
Embodiment
As shown in figure 1, the present embodiment includes：Remote controllers, optical fiber, aviation plug cable and variable-frequency power sources, wherein：Become
Frequency power is provided with electrical to optical converter, it would be desirable to which the electric signal of transmission is all converted to optical signal, is transmitted through the fiber to long-range control
Device processed, realizes data transfers；Remote controllers set optical-electrical converter, and the optical signal that the optical fiber received transmits is converted to
Electric signal, and action command (such as switching signal) is sent to variable-frequency power sources by aviation plug cable, realize the key of variable-frequency power sources
The controls such as spoon switch, separating brake, combined floodgate, jerk.
Described variable-frequency power sources is VF series variable-frequency power sources.
Described optical fiber connection realizes the light form transmission of electric signal, and external thread interference when an exception occurs will not shadow
Variable-frequency power sources normal work is rung, while ensures that signal of communication safety high speed rate is transmitted；Aviation plug cable connection realizes forceful electric power
Circuit controls in real time at a distance.
As shown in Fig. 2 described remote controllers include：Photoelectric switching circuit 1, liquid crystal display circuit, Electric signal processing
Circuit 3, optical fiber interface 4, aviation plug cable interface 5 and input power interface 6, wherein：Photoelectric switching circuit 1 passes through terminal block
It is connected with electric signal processing circuit 3, converts optical signals into electric signal；Electric signal processing circuit 3 passes through with liquid crystal display circuit
Liquid crystal connection data wire is connected, transmitting display data；Optical fiber interface 4 is connected by external optical fiber with variable-frequency power sources, realizes communication
The transmission of signal；Aviation plug cable interface 5 is connected by aviation plug cable with variable-frequency power sources, is realized to variable-frequency power sources forceful electric power
Part control in real time；Input power interface 6 accesses 220V ac working power supplies.
Electro-optical conversion circuit in described photoelectric switching circuit 1 and variable-frequency power sources causes signal of communication to exist in the form of light
Transmitted in optical fiber, the equivalent signal of communication that instead of transmits in the cable in form of electricity, realizes that high-potting variable-frequency power sources is remote
Distance, high-speed, safe and reliable control.
It is used to show touching for various test parameters and trystate as shown in figure 3, being provided with described liquid crystal display circuit
Touch formula LCDs 2.
Described electric signal processing circuit 3 is used for the electric signal for handling the output of photoelectric switching circuit 1.
As shown in figure 4, described photoelectric switching circuit 1 is realized using photoelectric conversion plate, the photoelectric conversion plate, which is provided with, to be supplied
Power supply, communication interface and fiber optical transceiver, wherein：Fiber optical transceiver is converted to the optical signal received through photoelectric conversion plate
Communication interface output is crossed after electric signal, power supply is powered for photoelectric conversion plate；Fiber optical transceiver is connected with optical fiber interface 4, leads to
Letter interface is connected with electric signal processing circuit 3.
Described power supply is DC24V.
Described remote controllers receive normal operating after the enabling signal of variable-frequency power sources, once receive interruption letter
Number, then stop power input and automatic brake separating immediately, protection type is judged according to interrupt signal and result is shown in liquid crystal
Show on circuit.
Described interrupt signal refers to that overcurrent, temperature anomaly and voltage occur in variable-frequency power sources work rises too fast etc. event
The alarm signal sent during barrier, the protection signal are low level in IGBT normal works, when operation irregularity occurs for IGBT then
It is changed into high level from low level.
Described interrupt signal is a hexadecimal 0x0000 character, when central word break character is 0x01, variable-frequency power sources
IGBT is abnormal；When central word break character is 0xf1, variable-frequency power sources overcurrent protection；When central word break character is 0xf2, variable-frequency power sources overvoltage
Protection；When central word break character is 0xf3, variable-frequency power sources open-phase protection；When central word break character is 0xf4, variable-frequency power sources discharge prevention.
As shown in figure 5, the control such as described key switch, divide-shut brake, jerk uses dry contact form, avoid long-range
Controller is directly electrically connected with variable-frequency power sources, so that it is guaranteed that operating personnel's personal safety.
During work, system electrification start, variable-frequency power sources and remote controllers carry out self-test, confirm system failure and without report
Next step operation is carried out when alert；After the completion of self-test, remote controllers send control letter by aviation plug cable to variable-frequency power sources
Number and drive signal, variable-frequency power sources be powered for high-potting.In running, when variable-frequency power sources has an exception by optical fiber to
Remote controllers send protection signal, remote controllers response protection, and cut-out exports and frequency conversion is shown on liquid crystal display circuit
The abnormal operating condition and guard mode of power supply.
The present embodiment has remote control, the function of touch sensitive liquid crystal display, available for GIS below 1000kV voltage class
The following main transformer non-local discharge test of Field AC Withstand Voltage Test, 500kV voltage class and long-distance cable high-voltage alternating pressure test
Deng.
Above-mentioned specific implementation can by those skilled in the art on the premise of without departing substantially from the utility model principle and objective with
Different modes carries out local directed complete set to it, and the scope of protection of the utility model is defined by claims and not by above-mentioned specific
Implementation is limited, and each implementation in the range of it is by the constraint of the utility model.
Claims (4)
- A kind of 1. high-potting frequency-converting power supply based on remote controllers, it is characterised in that including：Remote controllers, Aviation plug cable and variable-frequency power sources, wherein：The input of variable-frequency power sources is defeated by aviation plug cable and remote controllers Go out end to be connected, the output end of variable-frequency power sources is connected by optical fiber with the input of remote controllers；Described remote controllers include：Photoelectric switching circuit, liquid crystal display circuit and electric signal processing circuit, wherein：Photoelectricity Change-over circuit and liquid crystal display circuit are connected with electric signal processing circuit respectively；Described remote controllers are provided with three interfaces, respectively optical fiber interface, aviation plug cable interface and input power Interface, wherein：Optical fiber interface is connected with optical fiber, aviation plug cable interface and aviation plug cable connection, input power interface Cut-in operation power supply.
- 2. system according to claim 1, it is characterized in that, it is provided with described liquid crystal display circuit and is used to show various examinations Test the touch LCD screen of parameter and trystate.
- 3. system according to claim 1, it is characterized in that, described photoelectric switching circuit is realized using photoelectric conversion plate, The photoelectric conversion plate is provided with power supply, communication interface and fiber optical transceiver, wherein：Fiber optical transceiver and communication interface phase Even, fiber optical transceiver is connected with optical fiber interface, and communication interface is connected with electric signal processing circuit.
- 4. system according to claim 1, it is characterized in that, the key switch of described variable-frequency power sources, divide-shut brake, jerk are adopted With dry contact form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911511.8U CN207098756U (en) | 2017-07-26 | 2017-07-26 | High-potting frequency-converting power supply based on remote controllers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911511.8U CN207098756U (en) | 2017-07-26 | 2017-07-26 | High-potting frequency-converting power supply based on remote controllers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207098756U true CN207098756U (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720911511.8U Active CN207098756U (en) | 2017-07-26 | 2017-07-26 | High-potting frequency-converting power supply based on remote controllers |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624377A (en) * | 2020-05-26 | 2020-09-04 | 中国人民解放军国防科技大学 | System and control method for remotely controlling test power supply and signal |
-
2017
- 2017-07-26 CN CN201720911511.8U patent/CN207098756U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624377A (en) * | 2020-05-26 | 2020-09-04 | 中国人民解放军国防科技大学 | System and control method for remotely controlling test power supply and signal |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210618 Address after: 201108 building 3 and building 4, No. 4399, Jindu Road, Minhang District, Shanghai Patentee after: SHANGHAI SIYUAN PHOTOELECTRIC Co.,Ltd. Patentee after: SIEYUAN ELECTRICAL Co.,Ltd. Address before: 201108, No. 4399 Jin Du Road, Shanghai, Minhang District Patentee before: SIEYUAN ELECTRICAL Co.,Ltd. |