CN205080196U - Light wireless reactive compensation capacitance measuring tester - Google Patents
Light wireless reactive compensation capacitance measuring tester Download PDFInfo
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- CN205080196U CN205080196U CN201520826584.8U CN201520826584U CN205080196U CN 205080196 U CN205080196 U CN 205080196U CN 201520826584 U CN201520826584 U CN 201520826584U CN 205080196 U CN205080196 U CN 205080196U
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- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims description 26
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000005070 sampling Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract 1
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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Abstract
The utility model discloses a light wireless reactive compensation capacitance measuring tester, including DSP control panel, power module, frequency conversion power module, filtering sampling circuit, communication module and wireless split -core type meter, power module, frequency conversion power module, filtering sampling circuit, communication module be connected with the DSP control panel respectively, variable frequency power supply module, filtering sampling circuit still be connected with power module respectively, the output of variable frequency power supply module be connected with filtering sampling circuit, still be equipped with the optoelectronic isolation ware between DSP control panel and the variable frequency power supply module, communication module passes through the wireless communication mode with wireless split -core type meter and is connected. The utility model discloses the interference killing feature is strong, and measured data is accurate stable, and its is small moreover, light in weight, and portable has alleviateed testing personnel's working strength greatly. Simultaneously, with wireless transmission's no cable measurement mode, work efficiency and the security tested have greatly been improved.
Description
Technical field
The utility model relates to the measuring equipment in power industry, particularly the light wireless reactive compensation capacitor tester of one.
Background technology
The surveying work of reactive-load compensation capacitor electric capacity is the important and service work comparatively frequently of power department one.Adopting metering system and the different-frequency measure technology of split core type current transformer, as "
the development of reactive compensation capacitor electric inductance measuring-testing instrument; " Guangxi electric power " the 05th phase in 2007 "; achieving the electric capacity measuring each capacitor of compensation capacitors when not taking out stitches; in-site measurement shows; this tester using method is simple; antijamming capability is strong; measurement data accurate stable, drastically increasing the work efficiency of site test than test mode of taking out stitches before.
But in actual use, because current clamp to be ined succession instrument host by cable, in test process, testing crew will in the of no help capacitor framework of multilayer up and down, movable constantly conversion test position and drag cable, cable is is constantly worn and torn, aging, thus cause the fault cannot measured because of cable break.In addition, in the of no help capacitor framework of multilayer up and down, movablely to measure, cause current clamp to accidentally drop to fall the situation of damage also to happen occasionally because pulling current clamp cable, this it is also proposed very high requirement to the muscle power of tester, also can reduce the efficiency of work on the spot.Particularly in direct current station; filter capacitor array is especially up to tens 20 layers; such capacitor array shuttles back and forth and measures one by one; workload is sizable; constantly drag cable can substantially increase the working strength of tester, not only the wearing and tearing of current clamp cable, the situation about falling of current clamp more easily occurs, and also there is tester's bracing wire unstability and the potential safety hazard fallen; even if there is the protection of securing band, but be also great test concerning tester.Supporting current clamp cable is increased to 20 meters long by staff for this reason, and still can not solve the problem well, and the cable of other producers only has the length of 5,6 meters usually, difficulty meets the demands especially.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, provides the light wireless reactive compensation capacitor tester that a kind of structure is simple, reasonable in design, safe and reliable.The utility model adopt wireless transmission without cable metering system, wireless split-core type meter instead of the pincerlike current clamp of cable, wireless split-core type meter is connected with not adopting cable between instrument host but is connected by wireless communication mode, when tester moves up and down in reactive-load compensation capacitor framework, without the need to drag cable, measurement is operated and becomes more simple and convenient.
To achieve these goals, the utility model have employed following technical scheme:
A kind of light wireless reactive compensation capacitor tester, comprises DSP control panel, power module, variable-frequency power sources module, filtering/sample circuit, communication module and wireless split-core type meter; Described power module, variable-frequency power sources module, filtering/sample circuit, communication module are connected with DSP control panel respectively; Described variable-frequency power sources module, filtering/sample circuit are also connected with power module respectively; The output terminal of described variable-frequency power sources module is connected with filtering/sample circuit; Also photoisolator is provided with between described DSP control panel and variable-frequency power sources module; Described communication module is connected by wireless communication mode with wireless split-core type meter.
Further illustrate, described DSP control panel is also integrated with LCD interface circuit, keystroke interface circuit and print interface circuit.By corresponding interface circuit external-connection displayer, keyboard, printer etc., the utility model is made to possess the functions such as storage, display, printing.
Further illustrate, the external civil power of described power module, and export the direct-current working volts of+40V, ± 5V ,+3.3V ,-18V ,+5V respectively.Namely power module can be respectively DSP control panel and provide required+3.3V direct supply, for printer provides 5V direct supply, for display screen provides-18V direct supply, for variable-frequency power sources module provides+40V direct supply, for filtering/sample circuit provides ± 5V direct supply.
Further illustrate, the maximum output voltage of described variable-frequency power sources module is 20V, maximum output current is 5A, frequency is 120Hz.
In the utility model, DSP control panel, starts after measuring, instrument self checking, after self-inspection is passed through, by measuring the control overflow preset in electric capacity program, controlling the voltage and current that variable-frequency power sources module exports frequency conversion, measuring after voltage and current is stable; After measurement terminates, instrument output voltage and electric current reduce to 0; Wireless split-core type meter measures the electric current of capacitor branches, this wireless split-core type meter receiving instrument main frame adopts wireless communication mode to launch next voltage signal and synchronizing signal by communication module simultaneously, through calculating out the electric capacity of the capacitor of this branch road and showing on wireless split-core type meter.The measurement result of this capacitor branches also by wireless split-core type meter to instrument host Wireless transceiver, and can show on the display screen of instrument host simultaneously.Variable-frequency power sources module ,+40V the direct supply provided by working power circuit plate, under the control of DSP control panel, controls to export the AC frequency conversion voltage for 120Hz by photoisolator, adopts photoisolator to prevent on-the-spot anti-Hz noise.Filtering/sampling power panel, carries out filtering and sampling to the voltage exported, and delivers to DSP control panel and carry out operation result of measurement.
Compared with prior art, the beneficial effect that possesses of the utility model:
1. tester volume of the present utility model little, lightweight, be easy to carry, greatly can alleviate the working strength of testing crew.
2. the utility model adopt wireless transmission without cable metering system, wireless split-core type meter instead of the pincerlike current clamp of cable, wireless split-core type meter is connected with not having cable between instrument host, when tester moves up and down in reactive-load compensation capacitor framework, without the need to drag cable, measurement is operated and becomes more simple and convenient.
3. the utility model is reasonable in design, strong interference immunity, test result are accurate.
Accompanying drawing explanation
Fig. 1 is the utility model electrical block diagram.
Fig. 2 is the utility model embodiment schematic diagram.
Embodiment
Below in conjunction with embodiment, structural principle of the present utility model and principle of work are described in further details.
Embodiment:
As shown in Figure 1, a kind of light wireless reactive compensation capacitor tester, comprises DSP control panel, power module, variable-frequency power sources module, filtering/sample circuit, communication module and wireless split-core type meter; Described power module, variable-frequency power sources module, filtering/sample circuit, communication module are connected with DSP control panel respectively; Described variable-frequency power sources module, filtering/sample circuit are also connected with power module respectively; The output terminal of described variable-frequency power sources module is connected with filtering/sample circuit; Also photoisolator is provided with between described DSP control panel and variable-frequency power sources module; Described communication module is connected by wireless communication mode with wireless split-core type meter.
Described DSP control panel is also integrated with LCD interface circuit, keystroke interface circuit and print interface circuit.The external civil power of described power module, and the direct-current working volts exporting+40V, ± 5V ,+3.3V ,-18V ,+5V respectively.The maximum output voltage of described variable-frequency power sources module is 20V, maximum output current is 5A, and frequency is 120Hz.
As shown in Figure 2, instrument host exports the Capacitor banks two ends of alien frequencies alternating voltage to one group of parallel connection of non-50Hz, wireless split-core type meter measures the electric current of capacitor C1 branch road, this wireless split-core type meter receiving instrument main frame adopts wireless communication mode to launch next voltage signal and synchronizing signal by communication module simultaneously, through calculating out the electric capacity of the capacitor of this branch road and showing on wireless split-core type meter.The measurement result of this capacitor branches also by wireless split-core type meter to instrument host Wireless transceiver, and can show on the display screen of instrument host simultaneously.
Claims (4)
1. a light wireless reactive compensation capacitor tester, is characterized in that: comprise DSP control panel, power module, variable-frequency power sources module, filtering/sample circuit, communication module and wireless split-core type meter; Described power module, variable-frequency power sources module, filtering/sample circuit, communication module are connected with DSP control panel respectively; Described variable-frequency power sources module, filtering/sample circuit are also connected with power module respectively; The output terminal of described variable-frequency power sources module is connected with filtering/sample circuit; Also photoisolator is provided with between described DSP control panel and variable-frequency power sources module; Described communication module is connected by wireless communication mode with wireless split-core type meter.
2. light wireless reactive compensation capacitor tester according to claim 1, is characterized in that: described DSP control panel is also integrated with LCD interface circuit, keystroke interface circuit and print interface circuit.
3. light wireless reactive compensation capacitor tester according to claim 1, is characterized in that: the external civil power of described power module, and exports the direct-current working volts of+40V, ± 5V ,+3.3V ,-18V ,+5V respectively.
4. light wireless reactive compensation capacitor tester according to claim 1, is characterized in that: the maximum output voltage of described variable-frequency power sources module is 20V, maximum output current is 5A, and frequency is 120Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826584.8U CN205080196U (en) | 2015-10-23 | 2015-10-23 | Light wireless reactive compensation capacitance measuring tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826584.8U CN205080196U (en) | 2015-10-23 | 2015-10-23 | Light wireless reactive compensation capacitance measuring tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080196U true CN205080196U (en) | 2016-03-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520826584.8U Expired - Fee Related CN205080196U (en) | 2015-10-23 | 2015-10-23 | Light wireless reactive compensation capacitance measuring tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205080196U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929249A (en) * | 2016-06-18 | 2016-09-07 | 国网辽宁省电力有限公司抚顺供电公司 | Reactive power compensation device capacitance measuring device |
| CN106405251A (en) * | 2016-11-10 | 2017-02-15 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Wireless distributed capacitor inductor test apparatus and application |
| CN109901091A (en) * | 2019-04-03 | 2019-06-18 | 广西电网有限责任公司南宁供电局 | It is a kind of can remote diagnosis capacitor and inductor tester |
-
2015
- 2015-10-23 CN CN201520826584.8U patent/CN205080196U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929249A (en) * | 2016-06-18 | 2016-09-07 | 国网辽宁省电力有限公司抚顺供电公司 | Reactive power compensation device capacitance measuring device |
| CN106405251A (en) * | 2016-11-10 | 2017-02-15 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Wireless distributed capacitor inductor test apparatus and application |
| CN109901091A (en) * | 2019-04-03 | 2019-06-18 | 广西电网有限责任公司南宁供电局 | It is a kind of can remote diagnosis capacitor and inductor tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 |