CN202870285U - A portable simulation detection device of high-voltage live display apparatuses - Google Patents
A portable simulation detection device of high-voltage live display apparatuses Download PDFInfo
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- CN202870285U CN202870285U CN 201220302047 CN201220302047U CN202870285U CN 202870285 U CN202870285 U CN 202870285U CN 201220302047 CN201220302047 CN 201220302047 CN 201220302047 U CN201220302047 U CN 201220302047U CN 202870285 U CN202870285 U CN 202870285U
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Abstract
The utility model provides a portable simulation detection device of high-voltage live display apparatuses. The portable simulation detection device comprises a power inputting module, a power isolating module, a power filtering module, a voltage adjusting module, and a signal adjusting module, which are sequentially connected. The portable simulation detection device employs a conventional alternating-current power supply of AC 220 V and 50 Hz as a working power supply to enable the detection work to be conducted at anytime and anywhere; the portable simulation detection device adopts an adjustable transformer satisfying parameter requirements as a signal source to accurately simulate out a variation scope of a sensor; the portable simulation detection device utilizes an adjustable resistor satisfying parameter requirements to accurately simulate out weak current signals detectable by the sensor through cooperating with the adjustable transformer; the portable simulation detection device is designed in a parallel circuit form and is capable of simultaneously simulating signals of three sensors at most; the portable simulation detection device can satisfy detection requirements of three types of the high-voltage live display apparatuses; and the portable simulation detection device employs an integrated circuit structure and adopts elements which are relatively small in size, and the portable simulation detection device is convenient in operation, easy to carry, and high in reliability.
Description
[technical field]
The utility model relates to the detection technique field, particularly a kind of portable simulation pick-up unit of high voltage display device.
[background technology]
High voltage display device is the important component part of high-tension switch gear.Vital effect has been played in normal, safe operation to high-tension switch gear.The manufacturer of high-tension switch gear, especially the gas-insulated metal-enclosed combined electric of the GIS() manufacturer of equipment, need to before high-tension switch gear dispatches from the factory, assemble high voltage display device, and the performance of high voltage display device is detected.See also shown in Figure 1, usually, the method that high voltage display device is detected is that the major loop at high-tension switch gear applies the high voltage that is equivalent to the high-tension switch gear grade of rated voltage, and near the sensor that is installed in the major loop of high-tension switch gear sends the electric signal of sensing to high voltage display device.High voltage display device after receiving the electric signal of sensor, if can correctly demonstrate electriferous state, and can Correctly adjust the state of output contact, just prove that testing result is qualified.
High voltage display device is the equipment that is applied in the secondary circuit, often is installed in the on-site control.If detect according to detection method in the past, on-site control just must be finished this simultaneously with the switchgear body in the workshop.This detection mode often causes on-site control and switchgear body in order to detect simultaneously, waits for mutually.The production cycle underaction.And this detection mode has very high requirement to scale and the testing instruments that detect the place, and speed can't improve.For the detection that makes high voltage display device is more flexible, convenient, reliable, we have researched and developed the portable simulation pick-up unit of high voltage display device.
[utility model content]
The purpose of this utility model is to provide a kind of portable simulation pick-up unit of high voltage display device, to solve the problems of the technologies described above.
To achieve these goals, the utility model adopts following technical scheme:
A kind of portable simulation pick-up unit of high voltage display device comprises Power Entry Module, power isolation module, power filtering module, Voltage Regulator Module and the signal-adjusting module of connecting successively.
The utility model further improves and is: the portable simulation pick-up unit of described high voltage display device also comprises signal output module, signal feedback module and signal analyse block; Described signal-adjusting module, signal output module, signal feedback module and signal analyse block are connected successively.
The utility model further improves and is: the input end of signal output module connects signal-adjusting module, and the output terminal of signal output module connects the sensor input terminal of high voltage display device to be detected.
The utility model further improves and is: the portable simulation pick-up unit of described high voltage display device comprises three tunnel circuit parallel with one another, and each road includes signal-adjusting module and the signal output module of mutual series connection.
The utility model further improves and is: described Voltage Regulator Module is an adjustable variable-pressure device; Described signal-adjusting module is a trimmable resistance device.
With respect to prior art, the portable simulation pick-up unit of the utility model high voltage display device has following beneficial effect:
1, this portable simulation pick-up unit adopts AC220V, and the conventional AC power of 50Hz can launch testing as working power anywhere or anytime.
2, the sensor of high voltage display device is to change in a fixed range at the electric signal that hyperbaric environment induces, and changes along with the fluctuation of high-tension switch gear main circuit voltage.The portable simulation pick-up unit of high voltage display device has adopted the adjustable variable-pressure device (Voltage Regulator Module) that meets parameter request as signal source, has accurately simulated the mobility scale of sensor.
3, the electric signal that induces in hyperbaric environment of the sensor of high voltage display device is a very faint current signal.The portable simulation pick-up unit of high voltage display device has adopted the trimmable resistance device (signal-adjusting module) that meets parameter request, and process cooperates with the adjustable variable-pressure device, accurately simulates the low current signal that sensor can induce.
4, high voltage display device is divided into single-phase, two-phase, three kinds of models of three-phase.Receive simultaneously respectively the signal of one, two, three sensor.The portable simulation pick-up unit of high voltage display device has been designed to the form of parallel circuit, can simulate simultaneously the signal of maximum three sensors.Can satisfy the detection demand of three kinds of high voltage display devices.
5, the portable simulation pick-up unit of high voltage display device adopts the integrated circuit structure, selects the very small and exquisite element of volume, uses at convenient operation and has considered several factors.The portable simulation pick-up unit is easy to operate, is easy to carry, and reliability is high.
[description of drawings]
Fig. 1 is the synoptic diagram of existing detection mode;
Fig. 2 is the synoptic diagram of the utility model detection mode;
Fig. 3 is structured flowchart of the present utility model.
[embodiment]
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail.
See also shown in Figure 2, the principle of work of the portable simulation pick-up unit of a kind of high voltage display device of the utility model is exactly that circuit by low-voltage active produces suitable electric signal, simulate the signal of the sensor of high voltage display device, then give high voltage display device.If high voltage display device is after receiving the electric signal of sensor, can correctly demonstrate electriferous state, and the state of energy Correctly adjust output contact, just prove that testing result is qualified.
See also shown in Figure 3, the portable simulation pick-up unit of a kind of high voltage display device of the utility model comprises Power Entry Module, power isolation module, power filtering module, Voltage Regulator Module, signal-adjusting module, signal output module, signal feedback module, signal analyse block and internal bus.
Power Entry Module is introduced the utility model pick-up unit with the AC power that the outside provides, and gives power isolation module by internal bus with power supply.Power isolation module is carried out isolation processing to external power source, gives power filtering module with the power supply after the isolation by internal bus.Power filtering module carries out filtering to power supply, gives Voltage Regulator Module with qualified power supply signal by internal bus after the shielding undesired signal.Voltage Regulator Module is responsible for power conversion is become signal-adjusting module required voltage signal, gives signal-adjusting module by internal bus.Circuit in the signal-adjusting module produces the detection signal that high voltage display device to be detected needs, and gives signal output module by internal bus.Signal output module is connected detection signal with high voltage display device to be detected, and the result that will detect is sent to the signal feedback module through internal bus.Finally give signal analyse block.Signal analyse block is analyzed feedback result, and analysis result is used for instructing the parameter of adjusting voltage-regulation and Signal Regulation.
When using the portable simulation pick-up unit analog detection high voltage display device of a kind of high voltage display device of the utility model, may further comprise the steps:
1, the working power of high voltage display device to be detected is connected, the green light of this interval scale passive state should light, and the expression sensor is in the with no pressure electroless state.And power lights is bright, and trouble light goes out.
2, with the sensor input terminal of the output line access high voltage display device of the portable simulation pick-up unit of high voltage display device.
3, the external power supply of connection portable simulation pick-up unit, and adjustment transtat and adjustable resistor (fixedly use after mixing up does not need all to transfer at every turn) are to suitable scope.Connecting the working power of high voltage display device connects.At this moment, representative has the red light of pressure condition to light, and the expression sensor is in the pressure zone electricity condition is arranged.And power lights is bright, and trouble light goes out.Detected high voltage display device has just passed through detection.If state is not right, just illustrate that detected high voltage display device is defective in quality, need to change.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; all any simple modification and equivalent structure transformation or modifications of doing according to the utility model Spirit Essence all belong to the definite scope of patent protection of claims that the utility model is submitted to.
Claims (5)
1. the portable simulation pick-up unit of a high voltage display device is characterized in that, comprises Power Entry Module, power isolation module, power filtering module, Voltage Regulator Module and the signal-adjusting module of successively series connection.
2. the portable simulation pick-up unit of a kind of high voltage display device according to claim 1, it is characterized in that the portable simulation pick-up unit of described high voltage display device also comprises signal output module, signal feedback module and signal analyse block; Described signal-adjusting module, signal output module, signal feedback module and signal analyse block are connected successively.
3. the portable simulation pick-up unit of a kind of high voltage display device according to claim 2, it is characterized in that, the input end of signal output module connects signal-adjusting module, and the output terminal of signal output module connects the sensor input terminal of high voltage display device to be detected.
4. the portable simulation pick-up unit of a kind of high voltage display device according to claim 3, it is characterized in that, the portable simulation pick-up unit of described high voltage display device comprises three tunnel circuit parallel with one another, and each road includes signal-adjusting module and the signal output module of mutual series connection.
5. the portable simulation pick-up unit of a kind of high voltage display device according to claim 3 is characterized in that, described Voltage Regulator Module is an adjustable variable-pressure device; Described signal-adjusting module is a trimmable resistance device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302047 CN202870285U (en) | 2012-06-26 | 2012-06-26 | A portable simulation detection device of high-voltage live display apparatuses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302047 CN202870285U (en) | 2012-06-26 | 2012-06-26 | A portable simulation detection device of high-voltage live display apparatuses |
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| Publication Number | Publication Date |
|---|---|
| CN202870285U true CN202870285U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220302047 Expired - Lifetime CN202870285U (en) | 2012-06-26 | 2012-06-26 | A portable simulation detection device of high-voltage live display apparatuses |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166115A (en) * | 2014-08-22 | 2014-11-26 | 广州供电局有限公司 | Signal detection device of capacitive equipment electrified tester |
| CN112365777A (en) * | 2020-11-03 | 2021-02-12 | 国网上海市电力公司 | Analog simulation device for electrified display signal source of switch cabinet |
| CN112462188A (en) * | 2020-10-16 | 2021-03-09 | 国网山东省电力公司济宁供电公司 | Grounding circulation simulation device and detection method based on running transmission cable line |
-
2012
- 2012-06-26 CN CN 201220302047 patent/CN202870285U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166115A (en) * | 2014-08-22 | 2014-11-26 | 广州供电局有限公司 | Signal detection device of capacitive equipment electrified tester |
| CN104166115B (en) * | 2014-08-22 | 2017-03-08 | 广州供电局有限公司 | The signal verification device of capacitive apparatus testing instrument for electrified |
| CN112462188A (en) * | 2020-10-16 | 2021-03-09 | 国网山东省电力公司济宁供电公司 | Grounding circulation simulation device and detection method based on running transmission cable line |
| CN112365777A (en) * | 2020-11-03 | 2021-02-12 | 国网上海市电力公司 | Analog simulation device for electrified display signal source of switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
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| CX01 | Expiry of patent term |