CN205103333U - Become testing arrangement of station service transformer on -load voltage regulation equipment - Google Patents
Become testing arrangement of station service transformer on -load voltage regulation equipment Download PDFInfo
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- CN205103333U CN205103333U CN201520842934.XU CN201520842934U CN205103333U CN 205103333 U CN205103333 U CN 205103333U CN 201520842934 U CN201520842934 U CN 201520842934U CN 205103333 U CN205103333 U CN 205103333U
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000012545 processing Methods 0.000 claims abstract description 43
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 49
- 238000002955 isolation Methods 0.000 claims description 21
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000013522 software testing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
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Abstract
The utility model discloses a become testing arrangement of station service transformer on -load voltage regulation equipment, including a testing arrangement and the 2nd testing arrangement, a testing arrangement includes a power module and the consecutive income volume of opening input module, a processing module and display module, and a power module links to each other with division income volume input module, a processing module and display module respectively and is used for providing each module required power, and it is continuous with the pressure regulating device to open income volume input module, the 2nd testing arrangement includes the 2nd power module and consecutive button input module, the 2nd processing module and level conversion module, and the 2nd power module links to each other with button input module, the 2nd processing module and level conversion module respectively and is used for providing each module required power, and level conversion module links to each other with the controller. The utility model discloses a testing arrangement has advantages such as simple structure, efficiency of software testing are high, accurate, security height.
Description
Technical field
The utility model relates generally to electrical equipment technical field, refers in particular to a kind of proving installation of substation transformer on-load voltage regulation equipment.
Background technology
Present stage substation transformer on-load voltage regulation equipment includes voltage adjustment of on-load mechanism and controller, and its debugging and malfunction elimination can only rely on multimeter to measure corresponding secondary circuit.But even if secondary circuit current potential correctly can not confirm the correctness of whole on-load voltage regulation system, having to pass through system integration and test could confirm.When fault handling, transformer is in running status, and be difficult to failure judgement reason on the one hand, on the other hand, controller can not carry out practical operation, cannot verify the correctness of on-load voltage regulation system.
Utility model content
The technical problems to be solved in the utility model is just: the technical matters existed for prior art, and the utility model provides that a kind of structure is simple, testing efficiency is high and the proving installation of the equipment of substation transformer on-load voltage regulation accurately.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is:
A kind of proving installation of substation transformer on-load voltage regulation equipment, comprise the first proving installation of the pressure regulating device for testing substation transformer on-load voltage regulation equipment and the second proving installation for the controller of testing substation transformer on-load voltage regulation equipment, the intake load module that described first proving installation comprises the first power module and is connected successively, first processing module and display module, described first power module respectively with intake load module, first processing module is connected for providing power supply needed for each module with display module, described intake load module is connected with pressure regulating device, keyboard input module, the second processing module and level switch module that described second proving installation comprises second source module and is connected successively, described second source module is connected for providing power supply needed for each module with level switch module with described keyboard input module, the second processing module respectively, and described level switch module is connected with described controller.
Further improvement as technique scheme:
Described intake load module comprises multichannel intake testing circuit, every road intake testing circuit includes input end AD1, light-coupled isolation cells D 40, protection diode D36, protective resistance R78, filter capacitor C38 and pull-up resistor R79, described filter capacitor C38 is connected in parallel on the two ends of input end AD1, protection diode D36 is connected in parallel on the input end of light-coupled isolation cells D 40, the input anode of light-coupled isolation cells D 40 is connected with one end of input end AD1 by protective resistance R78, the input negative terminal of light-coupled isolation cells D 40 is directly connected with the other end of input end AD1, light-coupled isolation cells D 40 output plus terminal is directly connected with the input port of the first processing module and holds with the VCC of the first power module after connecting pull-up resistor R79 and is connected, and light-coupled isolation cells D 40 exports negative terminal and directly holds with the GND of the first power module and be connected.
The quantity of described intake testing circuit is more than 42 tunnels.
Described second source module comprises power supply VCC, power supply+110V and power supply-110V.
Described level switch module comprises PMOS M1, NMOS tube M37, divider resistance R81, divider resistance R83 and pull-up resistor R77, the source electrode of described PMOS M1 is connected with power supply VCC, the drain electrode of described NMOS tube M37 is connected with power supply+110V through pull-up resistor R77, and the grid of described NMOS tube M37 to be connected with the drain electrode of PMOS M1 through divider resistance R81 and to be connected with the source electrode of NMOS tube M37 with described power supply-110V respectively through divider resistance R83; The grid of described PMOS M1 is connected with the output terminal of the second processing module, and the drain electrode of described NMOS tube M37 is directly connected with described controller.
Described first processing module and the second processing module are all connected with one for sending the alarm assemblies of alerting signal.
Described alarm assemblies is hummer.
Described first processing module and the second processing module are single-chip microcomputer.
Compared with prior art, the utility model has the advantage of:
The proving installation of substation transformer on-load voltage regulation equipment of the present utility model, comprise the first proving installation and the second proving installation, first proving installation is connected with pressure regulating device, to monitor and shown by display module for analog controller to pressure regulating device; Other second proving installation is connected with controller, for simulating pressure regulating device to controller sending controling instruction, and carries out level conversion by level switch module to steering order and is sent to controller; Proving installation of the present utility model to judge that whether parts to be detected are abnormal by each module input/output state of monitoring, is greatly improved testing efficiency and accurate testing, and improves processing safety; In addition proving installation structure of the present utility model simple, be easy to realize.
Accompanying drawing explanation
Fig. 1 is the block diagram of the first proving installation in the utility model.
Fig. 2 is the block diagram of the second proving installation in the utility model.
Fig. 3 is the circuit theory diagrams of intake load module in the utility model.
Fig. 4 is the circuit theory diagrams of level switch module in the utility model.
Fig. 5 is the circuit theory diagrams of the first processing module in the utility model.
Fig. 6 is the circuit theory diagrams of hummer in the utility model.
Fig. 7 is the circuit theory diagrams of keyboard input module in the utility model.
Number in the figure represents: 1, the first proving installation; 11, the first power module; 12, intake load module; 13, the first processing module; 14, display module; 2, the second proving installation; 21, second source module; 22, keyboard input module; 23, the second processing module; 24, level switch module.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the utility model is further described.
As shown in Figures 1 to 7, the proving installation of the substation transformer on-load voltage regulation equipment of the present embodiment, comprises the first proving installation 1 of the pressure regulating device for testing substation transformer on-load voltage regulation equipment and the second proving installation 2 for the controller of testing substation transformer on-load voltage regulation equipment; As shown in Figure 1, first proving installation 1 comprise the first power module 11 and be successively connected intake load module 12, first processing module 13 and display module 14, first power module 11 is connected for providing power supply needed for each module with display module 14 with intake load module 12, first processing module 13 respectively, and intake load module 12 is connected with pressure regulating device; As shown in Figure 2, second proving installation 2 comprise second source module 21 and be successively connected keyboard input module 22, second processing module 23 and level switch module 24, second source module 21 is connected for providing power supply needed for each module with level switch module 24 with keyboard input module 22, second processing module 23 respectively, and level switch module 24 is connected with controller.The proving installation of substation transformer on-load voltage regulation equipment of the present utility model, comprise the first proving installation 1 and the second proving installation 2, first proving installation 1 is connected with pressure regulating device, the status information (comprise gear signal, binary-coded decimal gear signal, Gray code gear signal, far control command signal) of pressure regulating device is gathered by intake load module 12 for analog controller, and correspondence display is carried out by display module 14 after the first processing module 13 processes, can judge that whether corresponding pressure regulating device is working properly by display; Other second proving installation 2 is connected with controller, for simulating pressure regulating device, and send status information (comprising gear signal, binary-coded decimal gear signal, Gray code gear signal, control command signal far away etc.) by keyboard input module 22 to controller, and carry out level conversion by level switch module 24 pairs of key-press input signals and be sent to controller, by monitoring the reaction of controller, can judge that whether controller is working properly.Other first proving installation 1 and the second proving installation 2 all have the interface (overcurrent locking interface, working power interface etc.) that matches with corresponding device to be connected.Proving installation of the present utility model to judge that whether parts to be detected are abnormal by each module input/output state of monitoring, is greatly improved Installation and Debugging efficiency and accurate testing, and improves processing safety.
In the present embodiment, the first proving installation 1 and the second proving installation 2 can be interconnected, and the level switch module 24 by the second proving installation 2 is connected with the intake load module 12 of the first proving installation 1, thus can examine mutually each other.
As shown in Figure 3, in the present embodiment, intake load module 12 comprises multichannel intake testing circuit, every road intake testing circuit includes input end AD1, light-coupled isolation cells D 40, protection diode D36, protective resistance R78, filter capacitor C38 and pull-up resistor R79, filter capacitor C38 is connected in parallel on the two ends of input end AD1, protection diode D36 is connected in parallel on the input end of light-coupled isolation cells D 40, the input anode of light-coupled isolation cells D 40 is connected with one end of input end AD1 by protective resistance R78, the input negative terminal of light-coupled isolation cells D 40 is directly connected with the other end of input end AD1, light-coupled isolation cells D 40 output plus terminal is directly connected with the input port of the first processing module 13 and holds with the VCC of the first power module 11 after connecting pull-up resistor R79 and is connected, and light-coupled isolation cells D 40 exports negative terminal and directly holds with the GND of the first power module 11 and be connected.Wherein light-coupled isolation cells D 40 is single channel isolation optocoupler.The testing process of intake load module 12 is as follows: when input end AD1 has signal to input, and being dragged down by output VCC by light-coupled isolation cells D 40 is the low voltage signal that the first processing module 13 can read.All input ports can be scanned one time every 1ms by the first processing module 13, and carried out changing and processing by the high voltage signal that all input ports input, result then shows on display module 14.
In the present embodiment, the quantity of intake testing circuit is more than 42 tunnels, can be applicable to the test of most transformer on-load voltage regulating equipment.
As shown in Figure 4, in the present embodiment, second source module 21 comprises power supply VCC, power supply+110V and power supply-110V; Level switch module 24 comprises PMOS M1, NMOS tube M37, divider resistance R81, divider resistance R83 and pull-up resistor R77, the source electrode of PMOS M1 is connected with power supply VCC, the drain electrode of NMOS tube M37 is connected with power supply+110V through pull-up resistor R77, and the grid of NMOS tube M37 to be connected with the drain electrode of PMOS M1 through divider resistance R81 and to be connected with the source electrode of NMOS tube M37 with power supply-110V respectively through divider resistance R83; The grid of PMOS M1 is connected with the output terminal of the second processing module 23, and the drain electrode of NMOS tube M37 is directly connected with controller.
As shown in Figure 5, in the present embodiment, first processing module 13 and the second processing module 23 are single-chip microcomputer, adopt STC15W4K16S4 single-chip microcomputer, carry crystal oscillator 24M, wherein single-chip microcomputer comprises multiple Signal reception I/O port, for receiving the output signal of 42 tunnel intake signal deteching circuits, and the first processing module 13 and the second processing module 23 are all connected with one for sending the alarm assemblies of alerting signal, and wherein alarm assemblies is hummer, be connected with the BUZZER pin of single-chip microcomputer, as shown in Figure 6; Keyboard input module 22 comprises multiple button in addition, as shown in Figure 7, comprises boosting key, step-down key, stop key and mode selecting key.
Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (8)
1. the proving installation of a substation transformer on-load voltage regulation equipment, it is characterized in that, comprise first proving installation (1) of the pressure regulating device for testing substation transformer on-load voltage regulation equipment and the second proving installation (2) for the controller of testing substation transformer on-load voltage regulation equipment, the intake load module (12) that described first proving installation (1) comprises the first power module (11) and is connected successively, first processing module (13) and display module (14), described first power module (11) respectively with intake load module (12), first processing module (13) is connected for providing power supply needed for each module with display module (14), described intake load module (12) is connected with pressure regulating device, keyboard input module (22), the second processing module (23) and level switch module (24) that described second proving installation (2) comprises second source module (21) and is connected successively, described second source module (21) is connected for providing power supply needed for each module with described keyboard input module (22), the second processing module (23) and level switch module (24) respectively, and described level switch module (24) is connected with described controller.
2. the proving installation of substation transformer on-load voltage regulation equipment according to claim 1, it is characterized in that, described intake load module (12) comprises multichannel intake testing circuit, every road intake testing circuit includes input end AD1, light-coupled isolation cells D 40, protection diode D36, protective resistance R78, filter capacitor C38 and pull-up resistor R79, described filter capacitor C38 is connected in parallel on the two ends of input end AD1, protection diode D36 is connected in parallel on the input end of light-coupled isolation cells D 40, the input anode of light-coupled isolation cells D 40 is connected with one end of input end AD1 by protective resistance R78, the input negative terminal of light-coupled isolation cells D 40 is directly connected with the other end of input end AD1, light-coupled isolation cells D 40 output plus terminal is directly connected with the input port of the first processing module (13) and holds with the VCC of the first power module (11) after connecting pull-up resistor R79 and is connected, and light-coupled isolation cells D 40 exports direct the end with the GND of the first power module (11) of negative terminal and is connected.
3. the proving installation of substation transformer on-load voltage regulation equipment according to claim 2, is characterized in that, the quantity of described intake testing circuit is more than 42 tunnels.
4. the proving installation of the substation transformer on-load voltage regulation equipment according to claim 1 or 2 or 3, is characterized in that, described second source module (21) comprises power supply VCC, power supply+110V and power supply-110V.
5. the proving installation of substation transformer on-load voltage regulation equipment according to claim 4, it is characterized in that, described level switch module (24) comprises PMOS M1, NMOS tube M37, divider resistance R81, divider resistance R83 and pull-up resistor R77, the source electrode of described PMOS M1 is connected with power supply VCC, the drain electrode of described NMOS tube M37 is connected with power supply+110V through pull-up resistor R77, and the grid of described NMOS tube M37 to be connected with the drain electrode of PMOS M1 through divider resistance R81 and to be connected with the source electrode of NMOS tube M37 with described power supply-110V respectively through divider resistance R83; The grid of described PMOS M1 is connected with the output terminal of the second processing module (23), and the drain electrode of described NMOS tube M37 is directly connected with described controller.
6. the proving installation of the substation transformer on-load voltage regulation equipment according to claim 1 or 2 or 3, is characterized in that, described first processing module (13) and the second processing module (23) are all connected with one for sending the alarm assemblies of alerting signal.
7. the proving installation of substation transformer on-load voltage regulation equipment according to claim 6, is characterized in that, described alarm assemblies is hummer.
8. the proving installation of the substation transformer on-load voltage regulation equipment according to claim 1 or 2 or 3, is characterized in that, described first processing module (13) and the second processing module (23) are single-chip microcomputer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520842934.XU CN205103333U (en) | 2015-10-28 | 2015-10-28 | Become testing arrangement of station service transformer on -load voltage regulation equipment |
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| CN201520842934.XU CN205103333U (en) | 2015-10-28 | 2015-10-28 | Become testing arrangement of station service transformer on -load voltage regulation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929282A (en) * | 2016-06-02 | 2016-09-07 | 国网宁夏电力公司吴忠供电公司 | Transformer tap position adjustment loop testing device |
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- 2015-10-28 CN CN201520842934.XU patent/CN205103333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929282A (en) * | 2016-06-02 | 2016-09-07 | 国网宁夏电力公司吴忠供电公司 | Transformer tap position adjustment loop testing device |
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