CN207851221U - Micro discharge zeroing unit - Google Patents
Micro discharge zeroing unit Download PDFInfo
- Publication number
- CN207851221U CN207851221U CN201820069805.5U CN201820069805U CN207851221U CN 207851221 U CN207851221 U CN 207851221U CN 201820069805 U CN201820069805 U CN 201820069805U CN 207851221 U CN207851221 U CN 207851221U
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- CN
- China
- Prior art keywords
- micro discharge
- zeroing
- zeroing unit
- processing unit
- coupled signal
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Abstract
The utility model belongs to electrical signal detection field, and in particular to a kind of micro discharge zeroing unit.The micro discharge zeroing unit includes processing unit and power supply, it is characterized in that, further include electrically controlled attenuator, voltage controlled phase shifter and combiner, the electrically controlled attenuator, voltage controlled phase shifter are connected with the processing unit, and given to the combiner after handling under control of the processing unit positive coupled signal, and exported as zeroed signal after merging with reverse coupled signal.The micro discharge zeroing unit can delicately detect micro discharge phenomenon, and micro discharge phenomenon is once occur, and variation will start from scratch, and from scratch, detection sensitivity greatly improves.The micro discharge zeroing unit selects working band wide.And can be needed to extend to different frequency range according to experiment, and the detection scheme of multichannel can be provided.
Description
Technical field
The utility model belongs to electrical signal detection field, and in particular to a kind of micro discharge zeroing unit.
Background technology
Micro discharge signal detection causes detection difficult, error big since input signal strength is relatively low.In micro discharge phenomenon
When generation, the reflection power of unit under test will increase.In order to make it is this become apparent, when often will not occur micro discharge
Reflection power balances out, and makes zero, used equipment is micro discharge zeroing unit.Currently, micro discharge zeroing unit
By European and American developed countries' control.It is badly in need of providing the same category of device with entirely autonomous intellectual property in China.
In addition, traditional micro discharge zeroing unit equipment is huge, complicated for operation, the state of every input/output signal can not
It is intuitively embodied in equipment, causes the using flexible of traditional micro discharge zeroing unit equipment poor.
Utility model content
To solve problems of the prior art, the utility model provides a kind of improved micro discharge zeroing unit, energy
Enough realize the multiple functions such as power monitoring, forward and reverse coupled signal receive, zeroed signal exports.
Specifically, the micro discharge zeroing unit includes processing unit and power supply, which is characterized in that further include that electricity tune declines
Subtract device, voltage controlled phase shifter and combiner, the electrically controlled attenuator, voltage controlled phase shifter are connected with the processing unit, and are locating
It manages and is sent to the combiner after being handled positive coupled signal under the control of unit, and make after merging with reverse coupled signal
It is exported for zeroed signal.
Further, the electrically controlled attenuator is located at the upstream or downstream of voltage controlled phase shifter.
Further, the micro discharge zeroing unit further includes positive coupled signal power splitter, and positive coupled signal is through just
It is divided into two-way to coupled signal power splitter, is delivered to electrically controlled attenuator or voltage controlled phase shifter all the way, another way is as forward power
Detection signal directly exports.
Further, the micro discharge zeroing unit further includes reverse coupled signal power divider, and reverse coupled signal is through anti-
It is divided into two-way to coupled signal power splitter, is delivered to combiner all the way, another way is directly exported as backward power detection signal.
Further, the micro discharge zeroing unit further includes attenuation display and attenuation adjusting knob, the place
The Regulate signal of unit receiving attenuation amount adjusting knob is managed, and the numerical value of attenuation is exported to attenuation digital display.
Further, the micro discharge zeroing unit further includes amount of phase shift display and amount of phase shift adjusting knob, the place
It manages unit and receives the Regulate signal of amount of phase shift adjusting knob, and the numerical value of amount of phase shift is exported to amount of phase shift digital display.
Further, the micro discharge zeroing unit further includes the LAN port communicated to connect with processing unit.
The beneficial effects of the utility model are：The micro discharge zeroing unit can carry out delicately micro discharge phenomenon
Detection, micro discharge phenomenon is once occur, and variation will start from scratch, and from scratch, detection sensitivity greatly improves.The micro discharge
Zeroing unit selects working band wide.And can be needed to extend to different frequency range according to experiment, and the detection side of multichannel can be provided
Case.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below to embodiment or
Attached drawing needed in the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only this reality
Without creative efforts, may be used also for those of ordinary skill in the art with some novel embodiments
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram of micro discharge zeroing unit shown in the utility model.
Specific implementation mode
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model is clearly and completely described.
Based on the embodiments of the present invention, what those of ordinary skill in the art were obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Referring to Fig. 1.Micro discharge zeroing unit includes processing unit 1 and power supply 6.Processing unit 1 uses universal ARM processing
Unit, power supply 6 is using 50Hz, 110~220V wide cut power supplys.
There are two Keysight 11667A power splitters for micro discharge zeroing unit tool, wherein：Positive coupled signal power splitter 6
For being two-way by positive coupled signal A1 points, it is delivered to electrically controlled attenuator 3 or voltage controlled phase shifter 4 all the way, another way is as just
It is directly exported to power detection signal A2；It is two-way that reverse coupled signal power divider 7, which is used to divide reverse coupled signal B1, all the way
It is delivered to combiner 5, another way is directly exported as backward power detection signal B2.
Positive coupled signal A1 passes sequentially through the decaying of Hewlett-Packard 33322H electricity tune after the separation of positive coupled signal power splitter 6
Device 3 and RF-LambdaRFPSHT0000W1 voltage controlled phase shifters 4, that is finally sent with reverse coupled signal power divider 7 is reversed all the way
Coupled signal is merged by 86010001 combiners 5 of WOC, is exported as zeroed signal C.
Micro discharge zeroing unit has digital tubular type attenuation display 8 and attenuation adjusting knob 9, and digital tubular type
Amount of phase shift display 10 and amount of phase shift adjusting knob 11.In use, adjusting rotation by adjusting attenuation adjusting knob 9 and amount of phase shift
Regulate signal is sent to processing unit 1 by button 11, and to enable, processing unit 1 controls electrically controlled attenuator 3 and voltage controlled phase shifter 4 is right
Positive coupled signal is modulated, to obtain zeroed signal C；Meanwhile processing unit 1 exports the numerical value of attenuation and amount of phase shift
To attenuation display 8 and amount of phase shift display 10, with convenient for users to observation.
Further, micro discharge zeroing unit further includes the LAN port 12 communicated to connect with processing unit, for that will realize
The signal of micro discharge zeroing unit exports and on-line operation.
The technical specification of the micro discharge zeroing unit is：
Inner structure form：Coaxial and waveguiding structure.
Port standing wave：<1.35.
Has the detection of average incident power, average reflection power, positive peak power.
Adjustable attenuator dynamic range 30dB is continuously adjusted.
360 degree of adjustable phase shifter phase shift range is continuously adjusted.
Forward and reverse coupling zeroed signal is provided, the power coupled from positive directional coupler then by adjustable attenuator and
Adjustable phase shifter is sent to electric bridge, intense adjustment attenuator and phase shifter, and it is approximately zero that can make electric bridge output, and return to zero depth<-
60dBm。
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (7)
1. micro discharge zeroing unit, including processing unit and power supply, which is characterized in that further include electrically controlled attenuator, electricity tune phase shift
Device and combiner, the electrically controlled attenuator, voltage controlled phase shifter are connected with the processing unit, and under control of the processing unit
It is sent after handling positive coupled signal to the combiner, and is used as zeroed signal defeated after merging with reverse coupled signal
Go out.
2. micro discharge zeroing unit according to claim 1, which is characterized in that the electrically controlled attenuator is located at electricity and adjusts phase shift
The upstream or downstream of device.
3. micro discharge zeroing unit according to claim 1, which is characterized in that the micro discharge zeroing unit further includes just
To coupled signal power splitter, positive coupled signal is divided into two-way through positive coupled signal power splitter, is delivered to electricity all the way and adjusts decaying
Device or voltage controlled phase shifter, another way are directly exported as forward power detection signal.
4. micro discharge zeroing unit according to claim 1, which is characterized in that the micro discharge zeroing unit further includes anti-
To coupled signal power splitter, reverse coupled signal is divided into two-way through reverse coupled signal power divider, is delivered to combiner all the way, separately
It is used as backward power detection signal directly to export all the way.
5. micro discharge zeroing unit according to claim 1, which is characterized in that the micro discharge zeroing unit further includes declining
It is reduced display and attenuation adjusting knob, the Regulate signal of the processing unit receiving attenuation amount adjusting knob, and will be decayed
The numerical value of amount is exported to attenuation digital display.
6. micro discharge zeroing unit according to claim 1, which is characterized in that the micro discharge zeroing unit further includes moving
Phasor display and amount of phase shift adjusting knob, the processing unit receive the Regulate signal of amount of phase shift adjusting knob, and by phase shift
The numerical value of amount is exported to amount of phase shift digital display.
7. micro discharge zeroing unit according to claim 1, which is characterized in that the micro discharge zeroing unit further include with
The LAN port of processing unit communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820069805.5U CN207851221U (en) | 2018-01-16 | 2018-01-16 | Micro discharge zeroing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820069805.5U CN207851221U (en) | 2018-01-16 | 2018-01-16 | Micro discharge zeroing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207851221U true CN207851221U (en) | 2018-09-11 |
Family
ID=63414589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820069805.5U Expired - Fee Related CN207851221U (en) | 2018-01-16 | 2018-01-16 | Micro discharge zeroing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207851221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115629226A (en) * | 2022-12-21 | 2023-01-20 | 北京优诺信创科技有限公司 | Phase detection adjusting device applied to micro discharge effect test |
-
2018
- 2018-01-16 CN CN201820069805.5U patent/CN207851221U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115629226A (en) * | 2022-12-21 | 2023-01-20 | 北京优诺信创科技有限公司 | Phase detection adjusting device applied to micro discharge effect test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180911 Termination date: 20200116 |