CN203734580U - Remotely-controlled gear-shifting device for main transformer on-load voltage-regulating switch - Google Patents
Remotely-controlled gear-shifting device for main transformer on-load voltage-regulating switch Download PDFInfo
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- CN203734580U CN203734580U CN201420068053.2U CN201420068053U CN203734580U CN 203734580 U CN203734580 U CN 203734580U CN 201420068053 U CN201420068053 U CN 201420068053U CN 203734580 U CN203734580 U CN 203734580U
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Abstract
The utility model provides a remotely-controlled gear-shifting device for a main transformer on-load voltage-regulating switch, which is characterized by comprising a control box and a gear-shifting mechanism, wherein the control box comprises an MCU, and a first wireless sending and receiving module, an instruction input module and a first display screen respectively connected with the MCU; the gear-shifting mechanism comprises a second wireless sending and receiving module, a gear-shifting relay, a digital signal processor and an image acquisition device mutually connected; the instruction input module is used for receiving control signals; the MCU generates a gear-shifting command according to the control signals and sends the command to the second wireless sending and receiving module via the first wireless sending and receiving module, and the command is transmitted to the gear-shifting relay; the gear-shifting relay controls a normally open joint or a normally close joint of the relay according to the gear-shifting command to further control a branch joint of the main transformer to shift a gear; and the image acquisition device acquires image data of the branch joint of the main transformer at the current gear, and the image data are transmitted to the MCU and displayed via the first display screen. The remotely-controlled gear-shifting device for the main transformer on-load voltage-regulating switch saves human resources, improves man-machine work efficiency and improves accuracy and safety of the test.
Description
Technical field
The utility model relates to electric power project engineering field, particularly relates to a kind of main transformer on-load voltage regulating switch remote control device of transferring the files.
Background technology
General main transformer on-load voltage regulating switch has a plurality of gears, for example, some main transformer on-load voltage regulating switchs have 17 gears, to guarantee passing through regulation stall when voltage is discontented with pedal system quality requirement, thereby regulation voltage, make voltage conforms system requirements, in the time of need to carrying out D.C. resistance test to main transformer, need to carry out D.C. resistance test to each gear of these gears.
Traditional measuring technology, after some gears being completed to D.C. resistance test, is to be generally adjusted to next gear by the pressure regulation knob on manual operation on-load voltage regulating switch, and then carries out the test of next gear.Carrying out D.C. resistance when test, needing special personnel to carry out regulation stall and reinform instrumentation personnel and transferred the files, can test.
Above-mentioned measuring technology, needed human resources are many, test operation is very inconvenient, cause man-machine inefficiency.
Utility model content
Based on this, be necessary for the man-machine ineffective problem of existing measuring technology, a kind of main transformer on-load voltage regulating switch remote control device of transferring the files is provided.
The main transformer on-load voltage regulating switch remote control device of transferring the files, comprises control cabinet and gear shifting mechanism;
Described control cabinet comprises MCU, and the first radio receiving transmitting module being connected with MCU respectively, instruction input module and the first display screen; Described gear shifting mechanism comprises the second radio receiving transmitting module being connected, the relay of transferring the files, digital signal processor and image collecting device;
Wherein, image collecting device is connected with the second radio receiving transmitting module by digital signal processor; Described the first radio receiving transmitting module and the second radio receiving transmitting module communicate by wireless mode;
Described instruction input module is for reception control signal, MCU generates according to control signal the order of transferring the files, and by the first radio receiving transmitting module, be sent to the second radio receiving transmitting module of gear shifting mechanism, transfer to again the relay of transferring the files, transfer the files relay according to the order control relay of transferring the files often opening or tap that normally closed joint is controlled main transformer is transferred the files;
Described image collecting device gathers the view data of the current gear of main transformer partial pressure joint, view data is after digital signal processor carries out image processing, by the second radio receiving transmitting module, be sent to the first radio receiving transmitting module of control cabinet, the first radio receiving transmitting module carries out Graphics Processing by image data transmission to MCU, then shows by the first display screen.
The above-mentioned main transformer on-load voltage regulating switch remote control device of transferring the files, can realize the Remote gear shift of on-load voltage regulating switch and real-time video monitoring gear, make D.C. resistance test convenient, operating efficiency is significantly improved, save human resources, improve man-machine operating efficiency.Remote gear shift, in real time to the IMAQ of the current gear of main transformer partial pressure joint and be presented on control cabinet, so that testing crew is confirmed and test, improves accuracy and the fail safe of test.
Accompanying drawing explanation
Fig. 1 is the transfer the files structural representation of device of main transformer on-load voltage regulating switch of the present utility model remote control;
Fig. 2 is the transfer the files structural representation of device of the main transformer on-load voltage regulating switch remote control of preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing, to main transformer on-load voltage regulating switch of the present utility model, the transfer the files embodiment of device of remote control is described in detail.
Shown in figure 1, Fig. 1 is the transfer the files structural representation of device of main transformer on-load voltage regulating switch of the present utility model remote control, comprises control cabinet and gear shifting mechanism;
Described control cabinet comprises MCU(Micro Control Unit, micro-control unit), and the first radio receiving transmitting module being connected with MCU respectively, instruction input module and the first display screen; Described gear shifting mechanism comprises the second radio receiving transmitting module being connected, the relay of transferring the files, digital signal processor and image collecting device;
Wherein, image collecting device is connected with the second radio receiving transmitting module by digital signal processor; Described the first radio receiving transmitting module and the second radio receiving transmitting module communicate by wireless mode;
Described instruction input module is for reception control signal, MCU generates according to control signal the order of transferring the files, and by the first radio receiving transmitting module, be sent to the second radio receiving transmitting module of gear shifting mechanism, transfer to again the relay of transferring the files, transfer the files relay according to the order control relay of transferring the files often opening or tap that normally closed joint is controlled main transformer is transferred the files;
Described image collecting device gathers the view data of the current gear of main transformer partial pressure joint, view data is after digital signal processor carries out image processing, by the second radio receiving transmitting module, be sent to the first radio receiving transmitting module of control cabinet, the first radio receiving transmitting module carries out Graphics Processing by image data transmission to MCU, then shows by the first display screen.
The above-mentioned main transformer on-load voltage regulating switch remote control device of transferring the files, can realize the Remote gear shift of on-load voltage regulating switch and real-time video monitoring gear, make D.C. resistance test convenient, operating efficiency is significantly improved, save human resources, improve man-machine operating efficiency.Remote gear shift, in real time to the IMAQ of the current gear of main transformer partial pressure joint and be presented on control cabinet, so that testing crew is confirmed and test, improves accuracy and the fail safe of test.
For more clear the technical solution of the utility model, below in conjunction with accompanying drawing, set forth transfer the files some preferred embodiments of device of main transformer on-load voltage regulating switch of the present utility model remote control.
Shown in figure 2, the transfer the files structural representation of device of the main transformer on-load voltage regulating switch remote control that Fig. 2 is preferred embodiment.
In one embodiment, control cabinet also comprises the second display screen being connected with MCU, and MCU determines the current gear of main transformer partial pressure joint according to control signal, and shows in digital form by second display screen.
By MCU, determine current gear, second display screen shows current gear with numeral, can play the auxiliary effect of confirming, is convenient to the use of testing crew.
In one embodiment, control command input module comprises three buttons that are connected with MCU respectively, is respectively used to that input is just transferred the files, negative transferring the files and control signal that gear is returned " 1 ".
By above-mentioned three buttons, identify and transmit the control signal of testing crew, for generating pressure regulation order at MCU, can arrange "+", "-", " R " three buttons, wherein, "+" represents just to transfer the files, "-" represents negative transferring the files, " R " expression resets and returns " 1 " shelves, "+" on the operation and controlling case of pressure regulation order, "-", " R " three buttons are relative, when testing crew touches the button input control signal, MCU receives after control signal, can be by interruption-arouse machine processed, transfer the files order be sent to the second radio receiving transmitting module by the first radio receiving transmitting module of generation.
In one embodiment, described image collecting device comprises: camera and imageing sensor; Described camera is for gathering the view data of the current gear of main transformer partial pressure joint, imageing sensor carries out analog domain processing to view data, and become digital signal form by analog-to-digital conversion, then by 8bit parallel interface, view data is passed to digital signal processor.
In one embodiment, described the first radio receiving transmitting module and the second radio receiving transmitting module communicate by WIFI or bluetooth approach; Adopt the communication mode of WIFI or bluetooth, be easy to realize, technology maturation, cost is low.
In one embodiment, described control cabinet also comprises the first power interface, for from the required power supply of power station station service access control case; Described gear shifting mechanism also comprises second source interface, for from the required power supply of power station station service access control gear shifting mechanism case; By the first power interface, second source interface, can directly use the power supply of power station station service, easy to use.
In one embodiment, described the first display screen is LCD display, and described second display screen is LED display.
In one embodiment, described MCU can adopt MSP430F6638 chip, and digital signal processor can adopt fpga chip; Above-mentioned MSP430F6638 chip, more suitable embedded programming, chip dominant frequency reaches as high as 20MHz, fast response time.
In image processing process, digital signal processor can pass through SCCB(Serial Camera Control Bus) agreement controls sampling configuration and the transmission mode of image collecting device, the view data receiving is processed, and with the frequency of setting, from view data, extract image data, and image data is transferred to the second radio receiving transmitting module.Above-mentioned sampling configuration and transmission mode, comprise frequency acquisition, pixel size, sample rate etc., in addition, digital signal processor is processed the view data receiving, because the view data that image collecting device gathers is huger, can cause the bottleneck of follow-up real-time processing, therefore, by the frequency to set, extract image data from view data, gear shifting mechanism is without showing dynamic image, only need in digital signal processor, extract image data, improve image treatment effeciency.Preferably, digital signal processor with each second one width frequency from view data, extract image data.
The main transformer on-load voltage regulating switch of the present utility model remote control device of transferring the files, can application to 110KV～500KV main transformer.In use, gear shifting mechanism is installed on the on-load voltage regulating switch of main transformer, camera gathers current gear image over against the table of transferring the files, and now opens the wireless transport module of control cabinet, can in LCD display, show current gear picture in real time.Then press respectively "+", "-", " R " button, just realized smoothly transfer the files, negative transfer the files and gear is returned " 1 ".
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. the main transformer on-load voltage regulating switch remote control device of transferring the files, is characterized in that, comprises control cabinet and gear shifting mechanism;
Described control cabinet comprises MCU, and the first radio receiving transmitting module being connected with MCU respectively, instruction input module and the first display screen; Described gear shifting mechanism comprises the second radio receiving transmitting module being connected, the relay of transferring the files, digital signal processor and image collecting device;
Wherein, image collecting device is connected with the second radio receiving transmitting module by digital signal processor; Described the first radio receiving transmitting module and the second radio receiving transmitting module communicate by wireless mode;
Described instruction input module is for reception control signal, MCU generates according to control signal the order of transferring the files, and by the first radio receiving transmitting module, be sent to the second radio receiving transmitting module of gear shifting mechanism, transfer to again the relay of transferring the files, transfer the files relay according to the order control relay of transferring the files often opening or tap that normally closed joint is controlled main transformer is transferred the files;
Described image collecting device gathers the view data of the current gear of main transformer partial pressure joint, view data is after digital signal processor carries out image processing, by the second radio receiving transmitting module, be sent to the first radio receiving transmitting module of control cabinet, the first radio receiving transmitting module carries out Graphics Processing by image data transmission to MCU, then shows by the first display screen.
2. the main transformer on-load voltage regulating switch according to claim 1 remote control device of transferring the files, it is characterized in that, control cabinet also comprises the second display screen being connected with MCU, and MCU determines the current gear of main transformer partial pressure joint according to control signal, and shows in digital form by second display screen.
3. the main transformer on-load voltage regulating switch according to claim 1 remote control device of transferring the files, it is characterized in that, control command input module comprises three buttons that are connected with MCU respectively, is respectively used to that input is just transferred the files, negative transferring the files and control signal that gear is returned " 1 ".
4. the main transformer on-load voltage regulating switch according to claim 1 remote control device of transferring the files, is characterized in that, described image collecting device comprises: camera and imageing sensor;
Described camera is for gathering the view data of the current gear of main transformer partial pressure joint, imageing sensor carries out analog domain processing to view data, and become digital signal form by analog-to-digital conversion, then by 8bit parallel interface, view data is passed to digital signal processor.
5. the main transformer on-load voltage regulating switch according to claim 1 remote control device of transferring the files, is characterized in that, described the first radio receiving transmitting module and the second radio receiving transmitting module communicate by WIFI or bluetooth approach.
6. the main transformer on-load voltage regulating switch according to claim 1 remote control device of transferring the files, is characterized in that, described control cabinet also comprises the first power interface, for from the required power supply of power station station service access control case; Described gear shifting mechanism also comprises second source interface, for from the required power supply of power station station service access control gear shifting mechanism case.
7. the main transformer on-load voltage regulating switch according to claim 1 remote control device of transferring the files, is characterized in that, described the first display screen is LCD display.
8. the main transformer on-load voltage regulating switch according to claim 2 remote control device of transferring the files, is characterized in that, described second display screen is LED display.
9. the main transformer on-load voltage regulating switch according to claim 1 remote control device of transferring the files, is characterized in that, described MCU adopts MSP430F6638 chip.
10. the main transformer on-load voltage regulating switch according to claim 1 remote control device of transferring the files, is characterized in that, digital signal processor adopts fpga chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068053.2U CN203734580U (en) | 2014-02-17 | 2014-02-17 | Remotely-controlled gear-shifting device for main transformer on-load voltage-regulating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068053.2U CN203734580U (en) | 2014-02-17 | 2014-02-17 | Remotely-controlled gear-shifting device for main transformer on-load voltage-regulating switch |
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| Publication Number | Publication Date |
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| CN203734580U true CN203734580U (en) | 2014-07-23 |
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|---|---|---|---|
| CN201420068053.2U Expired - Lifetime CN203734580U (en) | 2014-02-17 | 2014-02-17 | Remotely-controlled gear-shifting device for main transformer on-load voltage-regulating switch |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792862A (en) * | 2014-02-17 | 2014-05-14 | 广东电网公司佛山供电局 | On-load voltage regulation switch remote control gear shifting device of main transformer |
| CN104821660A (en) * | 2015-05-15 | 2015-08-05 | 国家电网公司 | Device for wireless resetting of protection signal of transformer station |
| WO2016082704A1 (en) * | 2014-11-25 | 2016-06-02 | 王海 | On-load voltage regulation tap switch for transformer and switch control method |
| CN106328398A (en) * | 2016-08-31 | 2017-01-11 | 国网山东省电力公司龙口市供电公司 | External auxiliary gear-shifting device for main transformer on-load voltage regulation switch |
| CN107225572A (en) * | 2017-06-27 | 2017-10-03 | 广西电网有限责任公司电力科学研究院 | The mechanical gear knob self-reacting device calibrated for electrical load case |
-
2014
- 2014-02-17 CN CN201420068053.2U patent/CN203734580U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792862A (en) * | 2014-02-17 | 2014-05-14 | 广东电网公司佛山供电局 | On-load voltage regulation switch remote control gear shifting device of main transformer |
| WO2016082704A1 (en) * | 2014-11-25 | 2016-06-02 | 王海 | On-load voltage regulation tap switch for transformer and switch control method |
| US10147562B2 (en) | 2014-11-25 | 2018-12-04 | Hai Wang | On-load voltage regulation tap switch for transformer and switch control method |
| CN104821660A (en) * | 2015-05-15 | 2015-08-05 | 国家电网公司 | Device for wireless resetting of protection signal of transformer station |
| CN104821660B (en) * | 2015-05-15 | 2017-05-03 | 国家电网公司 | Device for wireless resetting of protection signal of transformer station |
| CN106328398A (en) * | 2016-08-31 | 2017-01-11 | 国网山东省电力公司龙口市供电公司 | External auxiliary gear-shifting device for main transformer on-load voltage regulation switch |
| CN107225572A (en) * | 2017-06-27 | 2017-10-03 | 广西电网有限责任公司电力科学研究院 | The mechanical gear knob self-reacting device calibrated for electrical load case |
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Granted publication date: 20140723 |