CN201707413U - Electromagnetic compatibility testing device - Google Patents
Electromagnetic compatibility testing device Download PDFInfo
- Publication number
- CN201707413U CN201707413U CN2010202290843U CN201020229084U CN201707413U CN 201707413 U CN201707413 U CN 201707413U CN 2010202290843 U CN2010202290843 U CN 2010202290843U CN 201020229084 U CN201020229084 U CN 201020229084U CN 201707413 U CN201707413 U CN 201707413U
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- electromagnetic compatibility
- testing device
- compatibility testing
- equipment
- compatibility test
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- 238000012360 testing method Methods 0.000 title claims abstract description 59
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to an electromagnetic compatibility testing device comprising a power supply, a three-phase isolation transformer, a three-phase voltage regulator, a first electromagnetic compatibility testing device and a second electromagnetic compatibility testing device, wherein the power supply, the three-phase isolation transformer and the three-phase voltage regulator are connected through cables; and the three-phase voltage regulator is connected with the input end of a circuit selector switch, one output end of the circuit selector switch is connected with the first electromagnetic compatibility testing device, and the other output end of the circuit selector switch is connected with the second electromagnetic compatibility testing device. The electromagnetic compatibility testing device has simple structure and convenient use, the input end and the output end of the circuit selector switch adopt standard wiring terminals, thereby facilitating the splicing of cables of other equipment; and when the electromagnetic compatibility testing device is in testing, a tester can rapidly switch both electromagnetic compatibility testing devices without performing complicated wiring operation of cables of equipment, thereby saving time and improving working efficiency.
Description
Technical field
The utility model belongs to the power technology field, especially a kind of EMC test device.
Background technology
The EMC test device generally comprises independently-powered power supply, three-phase isolation transformer and three-phase regulator and electromagnetic compatibility test equipment, connects by cable between each equipment.Wherein independently-powered power supply and three-phase isolation transformer are the power qualities that influences miscellaneous equipment for fear of test, and three-phase regulator is for civil power being converted to the required special voltage of equipment.In EMC test, often use two cover electromagnetic compatibility test equipment to same set of testing equipment to be tested, this just needs the tester after using the intact equipment to be tested of the first cover electromagnetic compatibility test testing of equipment, three-phase isolation transformer and three-phase regulator are removed from circuit, be connected with the second cover electromagnetic compatibility test equipment again, the tester will carry out disconnecting for twice the line operation with three-phase isolation transformer and three-phase regulator in each test in other words, because the connection cable that uses between the equipment is more thick and stiff, the wiring process is lost time very much, influence work efficiency greatly, also influenced the test progress.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide simple in structure, easy to use and can fast-wiring, save the EMC test device of test period.
The technical scheme that the utility model is taked is:
A kind of EMC test device, comprise power supply, three-phase isolation transformer and three-phase regulator, the first electromagnetic compatibility test equipment and the second electromagnetic compatibility test equipment, connect by cable between power supply, three-phase isolation transformer and the three-phase regulator, it is characterized in that: three-phase regulator connects the input end of a circuit changing switch, an output terminal of this circuit changing switch connects the first electromagnetic compatibility test equipment, and another output terminal connects the second electromagnetic compatibility test equipment.
And described circuit changing switch is four blade double throw switch or five double-pole double throw switches.
Advantage of the present utility model and good effect are:
The utility model is simple in structure, easy to use, connects two cover electromagnetic compatibility test equipment simultaneously by circuit changing switch, and is in parallel and come into operation respectively by the operation of circuit changing switch between the two cover electromagnetic compatibility test equipment.The input end of this circuit changing switch and output terminal all adopt the standard connection terminal, make things convenient for the grafting of miscellaneous equipment cable, at the trial, the tester can be switched two cover electromagnetic compatibility test equipment fast, need not to carry out the complicated wiring operation of each equipment cable, save the time, improved work efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is further specified, following embodiment is illustrative, is not determinate, can not limit protection domain of the present utility model with following embodiment.
A kind of EMC test device, as shown in Figure 1, comprise power supply, three-phase isolation transformer and three-phase regulator, the first electromagnetic compatibility test equipment and the second electromagnetic compatibility test equipment, power supply, connect by cable between three-phase isolation transformer and the three-phase regulator, innovation of the present utility model is: three-phase regulator connects the input end of a circuit changing switch K, the output terminal of this circuit changing switch K connects the first electromagnetic compatibility test equipment, another output terminal connects the second electromagnetic compatibility test equipment, and this circuit changing switch K makes between the two cover electromagnetic compatibility test equipment in parallel and come into operation respectively by the switching operation of circuit changing switch K.
In the present embodiment, circuit changing switch K can use four blade double throw switch or five double-pole double throw switches, and when using the four blade double throw switch, the ground wire of each equipment is not by this four blade double throw switch, but common ground, i.e. each equipment use three-phase and four-line connection in addition.When using five double-pole double throw switches, each equipment uses Three-phase five-wire to connect.Above-mentioned four blade double throw switch and five double-pole double throw switches can adopt common disconnecting link, also can adopt the wave band formula switch of knob form.
The course of work of the present utility model is (five double-pole double throw switches with the disconnecting link formula are example):
Be connected by cable between power supply and three-phase isolation transformer and the three-phase regulator, and then the input end of three-phase regulator with five double-pole double throw switches be connected, an output terminal of this five double-pole double throw switch connects the first electromagnetic compatibility test equipment, another output terminal connects the second electromagnetic compatibility test equipment, because the input end of five double-pole double throw switches and the connection terminal that output terminal all adopts standard, it is very convenient with being connected of each equipment, and the last test personnel are connected the first electromagnetic compatibility test equipment with the second electromagnetic compatibility test equipment simultaneously with equipment to be tested.After wiring finishes, the tester closes up disconnecting link at the output terminal that connects the first electromagnetic compatibility test equipment, circuit is connected the back first electromagnetic compatibility test equipment and is sent the electromagnetic compatibility test that the disturbed test signal carries out equipment to be tested, the tester closes up disconnecting link at the output terminal that connects the second electromagnetic compatibility test equipment again after finishing, and carries out the electromagnetic compatibility test of secondary equipment to be tested.
The utility model is simple in structure, easy to use, connects two cover electromagnetic compatibility test equipment simultaneously by circuit changing switch, and is in parallel and come into operation respectively by the operation of circuit changing switch between the two cover electromagnetic compatibility test equipment.The input end of this circuit changing switch and output terminal all adopt the standard connection terminal, make things convenient for the grafting of miscellaneous equipment cable, at the trial, the tester can be switched two cover electromagnetic compatibility test equipment fast, need not to carry out the complicated wiring operation of each equipment cable, save the time, improved work efficiency.
Claims (2)
1. EMC test device, comprise power supply, three-phase isolation transformer and three-phase regulator, the first electromagnetic compatibility test equipment and the second electromagnetic compatibility test equipment, connect by cable between power supply, three-phase isolation transformer and the three-phase regulator, it is characterized in that: three-phase regulator connects the input end of a circuit changing switch, an output terminal of this circuit changing switch connects the first electromagnetic compatibility test equipment, and another output terminal connects the second electromagnetic compatibility test equipment.
2. a kind of EMC test device according to claim 1 is characterized in that: described circuit changing switch is four blade double throw switch or five double-pole double throw switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202290843U CN201707413U (en) | 2010-06-18 | 2010-06-18 | Electromagnetic compatibility testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202290843U CN201707413U (en) | 2010-06-18 | 2010-06-18 | Electromagnetic compatibility testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707413U true CN201707413U (en) | 2011-01-12 |
Family
ID=43444573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202290843U Expired - Fee Related CN201707413U (en) | 2010-06-18 | 2010-06-18 | Electromagnetic compatibility testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201707413U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353899A (en) * | 2011-06-29 | 2012-02-15 | 重庆长安汽车股份有限公司 | Electromagnetic compatibility test tool for automobile generator |
| CN102435786A (en) * | 2011-09-08 | 2012-05-02 | 中国西电电气股份有限公司 | Turntable device with heavy-current output used for anechoic chamber |
| CN102944800A (en) * | 2012-11-30 | 2013-02-27 | 中国西电电气股份有限公司 | High-voltage electrical appliance electromagnetic radiation emission type testing system |
| WO2013104197A1 (en) * | 2012-01-11 | 2013-07-18 | 陕西电力科学研究院 | Method for testing electromagnetic compatibility of electronic mutual inductor |
| CN105044400A (en) * | 2015-08-20 | 2015-11-11 | 国家电网公司 | Grid-connected testing frequency signal wiring switching device and method for hydroelectric generating set speed regulator |
| CN109444573A (en) * | 2018-10-09 | 2019-03-08 | 国网湖南省电力有限公司 | A kind of terminal electromagnetism compatibility testing device, test method and system |
| CN109459714A (en) * | 2018-10-09 | 2019-03-12 | 国网湖南省电力有限公司 | A kind of fault detector electromagnetism compatibility testing device, test method and system |
-
2010
- 2010-06-18 CN CN2010202290843U patent/CN201707413U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353899A (en) * | 2011-06-29 | 2012-02-15 | 重庆长安汽车股份有限公司 | Electromagnetic compatibility test tool for automobile generator |
| CN102435786A (en) * | 2011-09-08 | 2012-05-02 | 中国西电电气股份有限公司 | Turntable device with heavy-current output used for anechoic chamber |
| CN102435786B (en) * | 2011-09-08 | 2013-12-25 | 中国西电电气股份有限公司 | Turntable device with heavy-current output used for anechoic chamber |
| WO2013104197A1 (en) * | 2012-01-11 | 2013-07-18 | 陕西电力科学研究院 | Method for testing electromagnetic compatibility of electronic mutual inductor |
| CN102944800A (en) * | 2012-11-30 | 2013-02-27 | 中国西电电气股份有限公司 | High-voltage electrical appliance electromagnetic radiation emission type testing system |
| CN102944800B (en) * | 2012-11-30 | 2015-04-22 | 中国西电电气股份有限公司 | High-voltage electrical appliance electromagnetic radiation emission type testing system |
| CN105044400A (en) * | 2015-08-20 | 2015-11-11 | 国家电网公司 | Grid-connected testing frequency signal wiring switching device and method for hydroelectric generating set speed regulator |
| CN109444573A (en) * | 2018-10-09 | 2019-03-08 | 国网湖南省电力有限公司 | A kind of terminal electromagnetism compatibility testing device, test method and system |
| CN109459714A (en) * | 2018-10-09 | 2019-03-12 | 国网湖南省电力有限公司 | A kind of fault detector electromagnetism compatibility testing device, test method and system |
| CN109459714B (en) * | 2018-10-09 | 2021-06-08 | 国网湖南省电力有限公司 | Electromagnetic compatibility testing equipment, testing method and system for fault indicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN ELECTRIC POWER CORP. Effective date: 20130521 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: TIANJIN ELECTRIC POWER CORP. Effective date: 20130521 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300010 HEBEI, TIANJIN TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130521 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Tianjin Electric Power Corp. Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Patentee before: Tianjin Electric Power Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20190618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |