CN203859435U - Gear transmitter with remote-control voltage regulation - Google Patents
Gear transmitter with remote-control voltage regulation Download PDFInfo
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- CN203859435U CN203859435U CN201420184225.2U CN201420184225U CN203859435U CN 203859435 U CN203859435 U CN 203859435U CN 201420184225 U CN201420184225 U CN 201420184225U CN 203859435 U CN203859435 U CN 203859435U
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- 230000005540 biological transmission Effects 0.000 abstract description 6
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- 230000000007 visual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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Abstract
The utility model discloses a gear transmitter with remote-control voltage regulation. The gear transmitter comprises a casing, a front panel, a light-emitting nixie tube, LED gear indicating lamps, remote-control voltage regulation buttons, a rear panel, an input aviation socket, an output line bank and a control and power line bank. The gear transmitter can be applied to gear signal input of different coding forms. The gear transmitter displays gears while providing corresponding digital and analog signal output. Output of a switching power supply is divided into three paths, so that input, output, display and control signals are electrically isolated, and the safety of equipment and technical staff are ensured. The light-emitting nixie tube and LED gear indicating lamps are both used for display, so that gear indication is quantitative and positional and thus relatively clear and visual; and manual remote-control voltage regulation can be directly carried out on the gear transmitter in cooperation with automatic voltage regulation equipment to realize optimized management of on-load voltage regulation of a power transmission and transformation system.
Description
Technical field
The utility model relates to power transmission and transformation field, relates to specifically a kind of gear transmitter, especially a kind of gear transmitter with control pressure regulation far away.
Background technology
Gear transmitter is the conversion equipment for transformer station's on-load voltage regulation signal.In transformer station, convert the high voltage of input to industry or civilian low-voltage with high-power transformer, by day when peak of power consumption, step down side increases the weight of voltage drop because of load, and at night, when low power consumption, step down side raises because load alleviates voltage again.For ensureing the stable of step down side voltage, will take load tapchanging method to change the coil turn of high voltage side of transformer, namely to change the tapping point of input power on transformer, regulate input voltage.For this reason, the high-pressure side of transformer is just provided with the tap of different coil turns, respectively corresponding adjustable each gear.In automation of transformation substations management system,, by load tapchanging gear signal, first access gear transmitter by passive auxiliary contact, then by gear transmitter, the analog quantity after conversion or code signal be sent to computer equipment and carry out analyzing and processing.
But, early stage gear transmitter just adopts the pressure regulation gear period of diode displaying input conventionally, adopt again charactron to show the gear reading after transforming, also there are some to convert gear contact point signal to analog quantity voltage output, only grasp load tapchanging state for dispatcher, calculate and gear signal is not all converted to the code signal that function is identified, can not be on transmitter direct control regulation stall, also not input very reliably, three isolation features of output and power supply, therefore, old-fashioned gear transmitter can not adapt to the needs of the sampling of microcomputer Programmable and communication completely, serve inconvenience to the overall operation band of automation device for transformer substation.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of gear transmitter with control pressure regulation far away.
The utility model solves the technical scheme that its technical problem adopts: a kind of gear transmitter with control pressure regulation far away, and described gear transmitter comprises housing, and the demonstration fore side of described housing is equipped with front panel, and described front panel is provided with light-emitting nixie tube; The below of described light-emitting nixie tube is provided with multiple transversely arranged LED gear indicator lights, and the right side of described light-emitting nixie tube is provided with control pressure regulation button far away; The connection side of described housing is equipped with rear board, and the left side on described rear board is provided with input aviation socket, and the top, right side of described input aviation socket is provided with output connection row, and described output connection row below is provided with to be controlled and power supply wiring row.
Preferably, described gear transmitter inside is provided with single chip circuit, and described single chip circuit is connected with coding buffer circuit, and described coding buffer circuit reads gear code signal after being connected with input aviation socket.
Preferably, described single chip circuit also connects gear lamp drive circuit, Nixie tube drive circuit and binary-coded decimal spacing output circuit by signal bus, and described gear lamp drive circuit connects 19 LED gear indicator lights that are used to indicate pressure regulation position; Described Nixie tube drive circuit connects the light-emitting nixie tube for showing pressure regulation numerical value.
Preferably, described binary-coded decimal spacing output circuit Yi road connects D/A digital to analog converter, another road connects the digital output terminal in output connection row, described D/A digital to analog converter output Yi road connects the V end of output change-over switch, another road connects the I end of output change-over switch after V/I modular converter, and the outlet of described output change-over switch is connected to the analog output terminal in output connection row.
Preferably, the control pressure regulation button far away on described front panel is exported passive isolating switch signal after control isolating switch processing of circuit far away, then is connected to the control lead-out terminal far away in control and power supply wiring row.
Preferably, described gear transmitter inside is provided with Switching Power Supply, power input terminal in the input termination control of described Switching Power Supply and power supply wiring row, the output Fen San road power supply of described Switching Power Supply, makes gear input signal, display, control signal, output signal realize isolation mutually on electric.
A kind of gear transmitter with control pressure regulation far away of the present utility model, has adopted the reliable aviation socket of contact at gear signal input, can adapt to the gear signal input of the Multi-encoding forms such as point-to-point, binary system and the decimal system; In load tapchanging gear instruction, adopted light-emitting nixie tube and two kinds of modes of LED light, the big or small concept that light-emitting nixie tube shows is clearer and more definite, and the position sense of LED light is more clear; Gear transmitter also provides corresponding digital quantity and the output of analog quantity numerical value in showing gear, and digital quantity is generally binary-coded decimal output, and analog quantity is that 0-5V or 4-20mA switch output, meets the signal sampling standard of Electric Power Automation Equipment; In the time that needs are far controlled pressure regulation, can operate the control pressure regulation button far away on front panel, can send control, upgrade, lower category, stop four switch commands, be connected to field control equipment power transmission and transformation device is carried out to artificial on-load voltage regulation control.
The utility model has the advantages that: in the utility model, Switching Power Supply can input AC or DC power supply, output is divided into three road insulating power supplies, can make the signal of input, output, demonstration and the several parts of control of gear transmitter realize isolation mutually on electric, can ensure instrument and equipment and technical staff's work safety; Adopt the utility model light-emitting nixie tube and the dual demonstration of LED light, make gear indicate existing quantification to have again the concept of position, more clear and intuitive; The mode that adopts artificial control pressure regulation far away, can, directly at the enterprising line operate of gear transmitter, match with automation voltage adjusting device, realizes the load tapchanging optimum management of power transmission and transformation system.
Brief description of the drawings
Fig. 1 is the front side contour structures schematic diagram of the disclosed a kind of gear transmitter with control pressure regulation far away of the utility model embodiment;
Fig. 2 is the rear side contour structures schematic diagram of the disclosed a kind of gear transmitter with control pressure regulation far away of the utility model embodiment;
Fig. 3 is the internal circuit principle schematic of the disclosed a kind of gear transmitter with control pressure regulation far away of the utility model embodiment.
Wherein: 1-housing, 2-front panel, 3-light-emitting nixie tube, 4-LED gear indicator light, 5-is far controlled pressure regulation button, 6-rear board, and 7-inputs aviation socket, 8-output connection row, 9-controls and power supply wiring row, 10-single chip circuit, the 11-buffer circuit of encoding, 12-gear lamp drive circuit, 13-Nixie tube drive circuit, 14-BCD code spacing output circuit, 15-D/A digital to analog converter, 16-V/I modular converter, 17-output change-over switch, 18-is far controlled isolating switch circuit, 19-Switching Power Supply.
Embodiment
In order to deepen, to understanding of the present utility model, below in conjunction with drawings and Examples, the utility model to be described in further detail, this embodiment, only for explaining the utility model, does not form and limits protection range of the present utility model.
Embodiment
As Figure 1-3, the utility model is a kind of gear transmitter with control pressure regulation far away, and described gear transmitter comprises housing 1, and the demonstration fore side of described housing 1 is equipped with front panel 2, and described front panel 2 is provided with light-emitting nixie tube 3; The below of described light-emitting nixie tube 3 is provided with transversely arranged LED gear indicator light 4, and the right side of described light-emitting nixie tube 3 is provided with control pressure regulation button 5 far away; The connection side of described housing 1 is equipped with rear board 6, and the left side on described rear board 6 is provided with input aviation socket 7, and the top, right side of described input aviation socket 7 is provided with output connection row 8, and described output connection is arranged 8 belows and is provided with control and power supply wiring row 9; Input, demonstration, control and the output circuit taking single chip circuit 10 as core is equipped with in the inside of described housing 1, and the Switching Power Supply 19 of output isolation is housed; The screen that described a kind of gear transmitter with control pressure regulation far away can be arranged on Substation control chamber machine room cashier's office in a shop, for being connected with on-the-spot transformer on-load voltage regulating gear signal, show corresponding gear value and location number, and gear signal is transformed into the receivable analog quantity of computer and digital quantity signal, can also manually arrange and regulate load tapchanging gear lifting.
As shown in Figure 1, in the contour structures schematic diagram of the front side of the utility model embodiment, the front panel 2 that described gear shell of transducer 1 is joined is for showing operating surface, centre is provided with light-emitting nixie tube 3, described light-emitting nixie tube 3 is the digital display element of dibit emitting red light, can clearly show the on-load voltage regulation gear value of transformer station; Below described light-emitting nixie tube 3, be provided with 19 LED gear indicator lights 4, the on-load voltage regulation gear positions of 19 controllable adjustable of corresponding instruction; Be provided with 4 control pressure regulation buttons 5 far away on the right side of described light-emitting nixie tube 3, wherein controlling (Control) button can select " locality " or " distant place " to regulate, upgrade (Rise) can send and heighten gear instruction, lower category (Fall) can send and turn down gear instruction, stop (Stop) and can send and finish the instruction of transferring the files, can realize load tapchanging automatic and manually-operated reasonable coordination.
As shown in Figure 2, in the rear side contour structures schematic diagram of the utility model embodiment, the rear board 6 that described gear shell of transducer 1 is joined is input and output wiring face, left side is provided with input aviation socket 7, in described input aviation socket 7, there are 24 cores, wherein a conduct is held altogether, and all the other can access gear code signals more than 19 tunnels as gear input signal end; Above the right side of described input aviation socket 7, be provided with output connection row 8, its terminal is arranged 6 terminals of binary-coded decimal, analog quantity voltage or two terminals of electric current output that are respectively from left to right digital output; Below described output connection row 8, be provided with and control and power supply wiring row 9, its terminal is arranged and is respectively from left to right: ascending, descending, stop, control and hold altogether totally 4 terminals, and control switching " locality/distant place " two terminals, in order to send control on-load voltage regulation signal far away; Two terminals of described control and power supply wiring row's 9 the rightmost side are power access end, the working power of accessible alternating current 220V or direct current 85 ~ 265V.
As shown in Figure 3, in the internal circuit principle schematic of the utility model embodiment, the core of described gear transmitter inside is single chip circuit 10, described single chip circuit 10 is connected with coding buffer circuit 11, and described coding buffer circuit 11 reads gear code signal after being connected with input aviation socket 7; Described single chip circuit 10 also connects gear lamp drive circuit 12, Nixie tube drive circuit 13 and binary-coded decimal spacing output circuit 14 by signal bus; Described gear lamp drive circuit 12 connects 19 LED gear indicator lights 4, can make LED gear indicator light 4 indicate pressure regulation position; Described Nixie tube drive circuit 13 connects light-emitting nixie tube 3, can make light-emitting nixie tube 3 show pressure regulation numerical value; Described binary-coded decimal spacing output circuit 14 mono-tunnel connects D/A digital to analog converter 15, another road connects the digital output terminal in output connection row 8, described D/A digital to analog converter 15 mono-road output dc voltage, another road connects the rear output direct current of V/I modular converter 16, select to be connected to the analog output terminal in output connection row 8 by output change-over switch 17, for external computer device collection; The passive isolating switch signal of output after described control pressure regulation button 5 far away is connected with control isolating switch circuit 18 far away, then be connected to the control lead-out terminal far away in control and power supply wiring row 9, send artificial on-load voltage regulation operational order.
Again as shown in Figure 3, the working power of described gear transmitter is located access by controlling two power supply terminals " POWER " of arranging in 9 with power supply wiring, the input VI of internal switch power supply 19 can connect power of alterating and direct current, the VO1 that Switching Power Supply 19 is exported gives coding buffer circuit 11, control isolating switch circuit 18 far away is powered, the VO2 of output is to single chip circuit 10, gear lamp drive circuit 12, Nixie tube drive circuit 13 is powered, the VO3 of output is to binary-coded decimal spacing output circuit 14, D/A digital to analog converter 15 and V/I modular converter 16 are powered, realize gear input signal, display, control signal, the mutual isolation of output signal on electric.
A kind of gear transmitter with control pressure regulation far away of the utility model, the gear code signal of accessible on-load voltage regulation various ways, adopt digital-to-analogue demonstration, lamplight pointing gear value and position, analog quantity direct voltage or the current signal of convertible output respective notch, the digital quantity code signal of exportable respective notch simultaneously, can also carry out load tapchanging gear adjusting by manual operation, realize the optimum management of power transmission and transformation system on-load voltage regulation control.
On the basis of a kind of gear transmitter with control pressure regulation far away of the utility model, input signal can be extended to more than 19 grades, to adapt to the needs of different size power transmission and transforming equipment, corresponding demonstration number and indicator light quantity can be expanded, corresponding digital quantity coding output point position also can be expanded, all demonstrations and action button also can adopt the structure such as film face-plate or liquid crystal touch screen in addition, make machine shape more attractive in appearance, and operation is used convenient.
Claims (6)
1. a gear transmitter for band control far away pressure regulation, is characterized in that: described gear transmitter comprises housing (1), and the demonstration fore side of described housing (1) is equipped with front panel (2), and described front panel (2) is provided with light-emitting nixie tube (3); The below of described light-emitting nixie tube (3) is provided with multiple transversely arranged LED gear indicator lights (4), and the right side of described light-emitting nixie tube (3) is provided with control pressure regulation button far away (5); The connection side of described housing (1) is equipped with rear board (6), left side on described rear board (6) is provided with input aviation socket (7), the top, right side of described input aviation socket (7) is provided with output connection row (8), and described output connection row (8) below is provided with to be controlled and power supply wiring row (9).
2. a kind of gear transmitter with control pressure regulation far away according to claim 1, it is characterized in that: described gear transmitter inside is provided with single chip circuit (10), described single chip circuit (10) is connected with coding buffer circuit (11), and described coding buffer circuit (11) reads gear code signal after being connected with input aviation socket (7).
3. a kind of gear transmitter with control pressure regulation far away according to claim 2, it is characterized in that: described single chip circuit (10) also connects gear lamp drive circuit (12), Nixie tube drive circuit (13) and binary-coded decimal spacing output circuit (14) by signal bus, described gear lamp drive circuit (12) connects 19 described LED gear indicator lights (4) that are used to indicate pressure regulation position; Described Nixie tube drive circuit (13) connects the described light-emitting nixie tube (3) for showing pressure regulation numerical value.
4. a kind of gear transmitter with control pressure regulation far away according to claim 3, it is characterized in that: described binary-coded decimal spacing output circuit (14) Yi road connects D/A digital to analog converter (15), another road connects the digital output terminal in output connection row (8), described D/A digital to analog converter (15) output Yi road connects the V end of output change-over switch (17), another road connects the I end of output change-over switch (17) after V/I modular converter (16), and the outlet of described output change-over switch (17) is connected to the analog output terminal in output connection row (8).
5. a kind of gear transmitter with control pressure regulation far away according to claim 1, it is characterized in that: the control pressure regulation button far away (5) on described front panel (2) is the passive isolating switch signal of output after control isolating switch circuit far away (18) is processed, then be connected to the control lead-out terminal far away in control and power supply wiring row (9).
6. a kind of gear transmitter with control pressure regulation far away according to claim 1, it is characterized in that: described gear transmitter inside is provided with Switching Power Supply (19), power input terminal in the input termination control of described Switching Power Supply (19) and power supply wiring row (9), the output Fen San road of described Switching Power Supply (19), makes gear input signal, display, control signal, output signal realize isolation mutually on electric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184225.2U CN203859435U (en) | 2014-04-16 | 2014-04-16 | Gear transmitter with remote-control voltage regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184225.2U CN203859435U (en) | 2014-04-16 | 2014-04-16 | Gear transmitter with remote-control voltage regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859435U true CN203859435U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420184225.2U Expired - Lifetime CN203859435U (en) | 2014-04-16 | 2014-04-16 | Gear transmitter with remote-control voltage regulation |
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| Country | Link |
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| CN (1) | CN203859435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807703A (en) * | 2017-12-05 | 2018-03-16 | 国网江西省电力有限公司上饶供电分公司 | A kind of ULTC gear automatic switching control equipment |
| CN113641202A (en) * | 2021-07-23 | 2021-11-12 | 温州联盈教育科技有限公司 | Power supply circuit regulation control system for college teaching |
-
2014
- 2014-04-16 CN CN201420184225.2U patent/CN203859435U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807703A (en) * | 2017-12-05 | 2018-03-16 | 国网江西省电力有限公司上饶供电分公司 | A kind of ULTC gear automatic switching control equipment |
| CN113641202A (en) * | 2021-07-23 | 2021-11-12 | 温州联盈教育科技有限公司 | Power supply circuit regulation control system for college teaching |
| CN113641202B (en) * | 2021-07-23 | 2023-01-20 | 温州联盈教育科技有限公司 | Power supply circuit regulation control system for college teaching |
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Granted publication date: 20141001 |
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