CN207336620U - A kind of electronic mutual inductor with electromagnetic environment monitoring function - Google Patents
A kind of electronic mutual inductor with electromagnetic environment monitoring function Download PDFInfo
- Publication number
- CN207336620U CN207336620U CN201721424444.3U CN201721424444U CN207336620U CN 207336620 U CN207336620 U CN 207336620U CN 201721424444 U CN201721424444 U CN 201721424444U CN 207336620 U CN207336620 U CN 207336620U
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- China
- Prior art keywords
- electromagnetic environment
- mutual inductor
- collecting unit
- field measurement
- electronic mutual
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Abstract
A kind of electronic mutual inductor with electromagnetic environment monitoring function, including electronic type transformer high voltage side sensing unit, electromagnetic environment monitor unit, High Pressure Shell, low-pressure side collecting unit, electromagnetic environment monitor unit includes magnetic field probe and electric field measurement is popped one's head in, electronic mutual inductor high voltage induction unit and electromagnetic environment monitor unit are in High Pressure Shell, it can avoid other influences of high-voltage electromagnetic environment to measurement, and it is connected by shielded cable with the low-pressure side collecting unit of base, low pressure collecting unit includes electronic mutual inductor low-pressure side collecting unit, magnetic-field measurement collecting unit, electric field measurement collecting unit.A kind of electronic mutual inductor with electromagnetic environment environment monitoring function of the utility model, simple in structure, strong antijamming capability can also realize the monitoring to periphery electromagnetic environment, it can be achieved that substation's electric current, the measurement of voltage.
Description
Technical field
A kind of electronic mutual inductor with electromagnetic environment monitoring function is the utility model is related to, for measuring electric current and voltage
And the monitoring of substation's electromagnetic environment, it is related to the measurement of substation and electromagnetic environment monitor field.
Background technology
It cannot meet the demand for development of intelligent substation for traditional mutual inductor and electromagnetic radiation that people worry always is asked
Topic, the utility model proposes a kind of electronic mutual inductor with electromagnetic environment monitoring function, by electronic mutual inductor
On the basis of add magnetic field measurement unit and electric field measurement unit, can realize the survey of the routine transformers such as the magnitude of current and voltage
Amount, and can realize the measurement of magnetic field and electric field, realize the real-time monitoring to substation's electromagnetic environment, strong number is provided for citizen
According to support, alleviate the public and complain, establish electric power enterprise image and play good effect.
The content of the invention
Mutual inductor to solve traditional cannot meet the demand for development of intelligent substation and the electromagnetism spoke that people worry always
Problem is penetrated, the utility model combines the advantage of electronic mutual inductor and the development of microsensor, there is provided a kind of powered
The electronic mutual inductor of magnetic environment monitoring function, the measurement of electric current and voltage is realized using electronic mutual inductor, is surveyed using magnetic field
Amount probe and magnetic field and the electric field of electric field measurement probe measurement substation, realize the measurement of mutual inductor and the monitoring of electromagnetic environment.
The technical solution that the utility model is taken is：
A kind of electronic mutual inductor with electromagnetic environment monitoring function, including electronic type transformer high voltage side sensing unit,
Electromagnetic environment monitor unit, High Pressure Shell, shielded cable, low-pressure side collecting unit, base, supporting rod, insulator, electromagnetic environment
Monitoring unit includes magnetic field probe and electric field measurement is popped one's head in, and low-pressure side collecting unit includes the survey of electronic mutual inductor low pressure and adopts
Collect unit, magnetic-field measurement collecting unit, electric field measurement collection list, electronic type transformer high voltage side sensing unit and electromagnetic environment prison
Survey unit to be connected with the low-pressure side collecting unit positioned at base by shielded cable, realize measurement and the electromagnetism ring of Current Voltage
The monitoring in border.
The electromagnetic environment monitor unit includes magnetic field probe and electric field measurement is popped one's head in, and magnetic field probe is used to survey
Magnetic field is measured, electric field measurement probe is used to measure electric field, realizes the monitoring of electromagnetic environment.Wherein, magnetic field probe is by Hall
Element and resistive element are formed, and electric field measurement probe is made of electro-optic crystal.
The electronic type transformer high voltage side sensing unit is made of printed circuit board (PCB), for measuring electric current and voltage.
The low-pressure side collecting part includes electronic mutual inductor low-pressure side collecting unit, magnetic-field measurement collecting unit and electricity
Field measurement collection is single.
The electronic mutual inductor low-pressure side collecting unit includes signal filter circuit, signal processing circuit, analog-to-digital conversion
Circuit, miniature processor circuit.
The magnetic-field measurement collecting unit includes signal amplification circuit, analog to digital conversion circuit, logic control circuit, miniature place
Manage device circuit.
The electric field measurement collecting unit is set including photelectric receiver, amplifier, miniature processor circuit, follow-up display
It is standby.
The electronic type transformer high voltage side sensing unit and electromagnetic environment monitor unit are located in High Pressure Shell, high pressure shell
It is connected between body and base by supporting rod, base is ground potential, and is equipped with exhausted equipped with the ground terminal being connected to ground, supporting rod
Edge, improves the insulation performance of electronic mutual inductor.
A kind of electronic mutual inductor with electromagnetic environment monitoring function of the utility model, technique effect are as follows：
1）, the utility model electronic mutual inductor measurement be collection list by high-tension side sensing unit and low-pressure side
What member was realized, high-pressure side sensing unit is to use sensing head made of printed circuit board (PCB), improves the uniform mutual inductor measuring of coiling
The accuracy of amount.Compared to traditional mutual inductor, electronic mutual inductor has the following advantages：Electronic mutual inductor output is generally numeral
Amount, therefore adapted to the demand for development of intelligent substation；Due to measuring bandwidth, the transient performance of the electronic mutual inductor
It is good；Since the coil without iron core that electronic mutual inductor uses, the dynamic range of measurement are big；Price is relatively low.
2）, the utility model magnetic field measurement be by magnetic field probe and the magnetic-field measurement collecting unit of low-pressure side realization
, magnetic field probe is made of Hall element and resistive element, in the circuit that Hall element and resistive element form, is based on
Magneto-resistance effect, when changes of magnetic field, the internal resistance of Hall element can change so that and the electric current in circuit changes, by
It is all directly proportional to electric current in Hall element and ohmically voltage, therefore on the output voltage and resistance by measuring Hall element
Voltage, by the signal processing of low-pressure side magnetic-field measurement collecting unit, realize the accurate measurement in magnetic field.
3）, the utility model electric field measurement be to be realized by electric field measurement probe and the electric field collecting unit of low-pressure side,
Electric field measurement probe is made of electro-optic crystal, and based on Pockels effects, i.e. polarised light can be formed when passing through electro-optic crystal
Phase difference, phase difference and external electric field are linear relationships, and the phase difference by measuring polarised light can realize the measurement of electric field.
4）, electronic type transformer high voltage side sensing unit be made of printed circuit board (PCB), due to being to use automatic winding line
The technology of circle, ensure that the uniformity of coil winding, avoids due to uneven caused by hand winding, reduces due to coiling not
Electromagnetic interference etc. influences caused by uniformly.
Brief description of the drawings
Fig. 1 is a kind of electronic mutual inductor structure diagram with electromagnetic environment monitoring function of the utility model.
Fig. 2 is the electronic mutual inductor low-pressure side collecting unit module connection figure of the utility model.
Fig. 3 is the magnetic-field measurement collecting unit module connection figure of the utility model.
Fig. 4 is the electric field measurement collecting unit module connection figure of the utility model.
Embodiment
As shown in Figure 1, a kind of electronic mutual inductor with electromagnetic environment monitoring function, by：Electronic type transformer high voltage side
Sensing unit 1, electromagnetic environment monitor unit 2, High Pressure Shell 3, low-pressure side collecting unit 4, shielded cable 7, base 9 etc. are formed.
The electronic type transformer high voltage side sensing unit 1 is made of printed circuit board (PCB), ensure that the uniform of coiling reduces
Current-voltage measurement is inaccurate caused by coiling is uneven, realizes the accurate measurement of electric current and voltage.Electromagnetic environment monitor unit 2
Including magnetic field probe 5 and electric field measurement probe 6, magnetic field probe 5 is made of Hall element and resistive element, electric field
Measuring probe 6 is made of electro-optic crystal, while light emitting source of the light source 15 as electric field monitoring unit 6, realizes electromagnetic environment
Monitoring.Electronic type transformer high voltage side sensing unit 1, electromagnetic environment monitor unit 2 and light source 15 are in High Pressure Shell, together
When its output by shielded cable 7 be located at base 9 low-pressure side collecting unit 4 be connected, improve the steady of electronic mutual inductor
It is qualitative and to jamproof ability.
As shown in Fig. 2, the output of electronic type transformer high voltage side sensing unit 1 is transferred to electronic type by shielded cable 7
Mutual inductor low-pressure side collecting unit 10, electronic mutual inductor low-pressure side collecting unit 10 include signal filter circuit, signal processing
Circuit, analog to digital conversion circuit, the first miniature processor circuit.First miniature processor circuit use MSP430 microcontrollers with
And electrooptic conversion module, MSP430 microcontrollers analyze and process the signal that analog-to-digital conversion obtains, and signal is then passed through electricity
Light modular converter converts electrical signals into optical signal, and the optical signal finally exported is transferred to subsequent conditioning circuit by optical fiber and such as merges list
Member.
As shown in figure 3, the signal that magnetic field probe 5 exports is output to magnetic-field measurement collecting unit by shielded cable 7
11, the magnetic-field measurement collecting unit 11 includes signal amplification circuit, analog to digital conversion circuit, logic control circuit, second miniature
Processor circuit, the second miniature processor circuit include MSP430 microcontrollers and peripheral circuit.
As shown in figure 4, the signal of 6 output of electric field measurement probe is output to electric field measurement collecting unit by shielded cable 7
12, the selection of electric field monitoring unit is longitudinal modulation formula, reflective structure, and the electric field measurement collecting unit 12 connects including photoelectricity
Device, amplifier, the 3rd miniature processor circuit, follow-up display device are received, the 3rd miniature processor circuit includes MSP430 monolithics
Machine and peripheral circuit.
A kind of electronic mutual inductor with electromagnetic environment monitoring function of the utility model, the measurement in magnetic field is by magnetic-field measurement
What probe and the magnetic-field measurement collecting unit of low-pressure side were realized, magnetic field probe is made of Hall element and resistive element,
In the circuit of Hall element and resistive element composition, based on magneto-resistance effect, when changes of magnetic field, the internal resistance of Hall element can be sent out
Changing so that the electric current in circuit changes, since Hall element and ohmically voltage are all directly proportional to electric current,
By the output voltage for measuring Hall element and ohmically voltage, at the signal by low-pressure side magnetic-field measurement collecting unit
Reason, realizes the accurate measurement in magnetic field.
A kind of electronic mutual inductor with electromagnetic environment monitoring function of the utility model, electric field measurement is visited by electric field measurement
What head and the electric field collecting unit of low-pressure side were realized, electric field measurement probe is made of electro-optic crystal, is imitated based on Pockels
Should, i.e., polarised light can form phase difference when passing through electro-optic crystal, and phase difference and external electric field are linear relationships, be polarized by measuring
The phase difference of light can realize the measurement of electric field.
Claims (7)
1. a kind of electronic mutual inductor with electromagnetic environment monitoring function, including electronic type transformer high voltage side sensing unit（1）、
Electromagnetic environment monitor unit（2）, High Pressure Shell（3）, shielded cable（7）, low-pressure side collecting unit（4）, base（9）；Its feature
It is：Electronic type transformer high voltage side sensing unit（1）, electromagnetic environment monitor unit（2）Pass through shielded cable（7）With low-pressure side
Collecting unit（4）Connection, is used for realization the measurement of Current Voltage and the monitoring of electromagnetic environment；
The electromagnetic environment monitor unit（2）Including magnetic field probe（5）, electric field measurement probe（6）, magnetic field probe
（5）For measuring magnetic field, electric field measurement probe（6）For measuring electric field；
The low-pressure side collecting unit（4）Including electronic mutual inductor low-pressure side collecting unit（10）, magnetic-field measurement collecting unit
（11）, electric field measurement collecting unit（12）.
A kind of 2. electronic mutual inductor with electromagnetic environment monitoring function according to claim 1, it is characterised in that：The electricity
Minor transformer high voltage side sensing unit（1）, it is made of printed circuit board (PCB), for realizing the measurement of electric current and voltage.
A kind of 3. electronic mutual inductor with electromagnetic environment monitoring function according to claim 1, it is characterised in that：The magnetic
Field measurement is popped one's head in（5）It is made of Hall element and resistive element, electric field measurement probe（6）It is made of electro-optic crystal, light source（15）
Pop one's head in electric field measurement（6）It is connected.
A kind of 4. electronic mutual inductor with electromagnetic environment monitoring function according to claim 1, it is characterised in that：The screen
Cover cable（7）Including three transmission lines, transmission, the biography of magnetic-field measurement signal of electronic mutual inductor inductive signal are respectively used to
Defeated, electric field measurement signal transmission.
A kind of 5. electronic mutual inductor with electromagnetic environment monitoring function according to claim 1, it is characterised in that：The bottom
Seat（9）For ground potential, and equipped with the ground terminal being connected to ground（14）.
A kind of 6. electronic mutual inductor with electromagnetic environment monitoring function according to claim 1, it is characterised in that：The electricity
Minor transformer high voltage side sensing unit（1）With electromagnetic environment monitor unit（2）Positioned at High Pressure Shell（3）In, High Pressure Shell with
Base（9）Between pass through supporting rod（8）It is connected, supporting rod（8）Equipped with insulator（13）.
A kind of 7. electronic mutual inductor with electromagnetic environment monitoring function according to claim 1, it is characterised in that：The electricity
Minor mutual inductor low-pressure side collecting unit（10）Including sequentially connected：Signal filter circuit, signal processing circuit, analog-to-digital conversion
Circuit, the first miniature processor circuit；
The magnetic-field measurement collecting unit（11）Including sequentially connected：Signal amplification circuit, analog to digital conversion circuit, logic control
Circuit, the second miniature processor circuit；
The electric field measurement collecting unit（12）Including sequentially connected：Photelectric receiver, amplifier, the 3rd microprocessor electricity
Road, follow-up display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721424444.3U CN207336620U (en) | 2017-10-31 | 2017-10-31 | A kind of electronic mutual inductor with electromagnetic environment monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721424444.3U CN207336620U (en) | 2017-10-31 | 2017-10-31 | A kind of electronic mutual inductor with electromagnetic environment monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336620U true CN207336620U (en) | 2018-05-08 |
Family
ID=62363353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721424444.3U Expired - Fee Related CN207336620U (en) | 2017-10-31 | 2017-10-31 | A kind of electronic mutual inductor with electromagnetic environment monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207336620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196082A (en) * | 2019-07-11 | 2019-09-03 | 谢明仿 | A kind of environment monitoring device and method of electronic mutual inductor |
-
2017
- 2017-10-31 CN CN201721424444.3U patent/CN207336620U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196082A (en) * | 2019-07-11 | 2019-09-03 | 谢明仿 | A kind of environment monitoring device and method of electronic mutual inductor |
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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: 20180508 Termination date: 20181031 |