CN202710649U - Device for determining arc suppression coil gear based on voltage signal - Google Patents
Device for determining arc suppression coil gear based on voltage signal Download PDFInfo
- Publication number
- CN202710649U CN202710649U CN2012202133127U CN201220213312U CN202710649U CN 202710649 U CN202710649 U CN 202710649U CN 2012202133127 U CN2012202133127 U CN 2012202133127U CN 201220213312 U CN201220213312 U CN 201220213312U CN 202710649 U CN202710649 U CN 202710649U
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- arc suppression
- suppression coil
- voltage signal
- voltage
- coil gear
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Abstract
The utility model discloses a device for determining an arc suppression coil gear based on a voltage signal. The device comprises a voltage transformer and a microprocessor circuit, wherein the voltage transformer is used for obtaining a voltage of the arc suppression coil, the microprocessor circuit is used for adjusting and controlling the arc suppression coil gear based on the voltage signal, and an output end of the voltage transformer is connected with an input end of the microprocessor circuit. Due to the fact that a voltage value of the voltage signal of the arc suppression coil is large and easy to obtain and an obtained voltage value is small in error and high in accuracy, by means of the device, the arc suppression coil gear can be accurately adjusted and controlled by the obtained voltage signal of the arc suppression coil, and then the stability and safety of a resonant earthed system can be substantially improved. The device for determining the arc suppression coil gear based on the voltage signal is widely applied to the electrical field.
Description
Technical field
The utility model relates to electrical technology, relates in particular to a kind of device of determining the arc suppression coil gear according to voltage signal.
Background technology
Now, common being used for determines that the technical scheme of arc suppression coil gear is capacitance current automatic measurement technology scheme in resonant earthed system, it mainly utilizes the neutral point capacitance current signal of resonant earthed system, thus the gear of the capacitance current signal Lookup protocol arc suppression coil by measuring this neutral point.But when owing to resonant earthed system earth fault not being arranged, the capacitance current signal of this neutral point is very faint, therefore it causes the capacitance current signal errors measured large easily, degree of accuracy is low, in addition because the electromagnetic environment in the resonant earthed system is complicated, so more increased the difficulty of obtaining accurate capacitance current signal, and if improve to measure the capacitance current signal precision then must drop into more costs to the somewhat complex design of electronic circuit.So the capacitance current signal by the measurement neutral point is to be difficult to the accurately gear of Lookup protocol arc suppression coil.
The utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model provides a kind of simple in structure and degree of accuracy is high determines the device of arc suppression coil gear according to voltage signal.
The technical scheme that the utility model adopts is: a kind of device of determining the arc suppression coil gear according to voltage signal, comprise that the output terminal of described voltage transformer (VT) is connected with the input end of microcontroller circuit be used to the voltage transformer (VT) that obtains arc suppression coil voltage and for the microcontroller circuit of regulating control arc suppression coil gear according to voltage signal.
Further, described microcontroller circuit comprises analog to digital converter, microprocessor chip and adjusting control circuit, and the output terminal of described voltage transformer (VT) is connected to the input end of adjusting control circuit successively by analog to digital converter and microprocessor chip.
Further, this device also comprises controlled reactor, and the output terminal of described controlled reactor is connected with the input end of voltage transformer (VT), and the input end of controlled reactor is connected with the output terminal of microcontroller circuit.
Further, described microcontroller circuit comprises analog to digital converter, microprocessor chip and adjusting control circuit, and the output terminal of described voltage transformer (VT) is connected to the input end of controlled reactor successively by analog to digital converter, microprocessor chip and adjusting control circuit.
Further, this device also comprises electric capacity, and described electric capacity and controlled reactor are connected in parallel.
Further, this device also comprises damping resistance, and described damping resistance and controlled reactor are connected in series.
Further, this device is provided be used to the switch that makes the damping resistance short circuit.
Further, described microprocessor chip is MCU microprocessor chip or ARM microprocessor chip.
The beneficial effects of the utility model are: because the magnitude of voltage of arc suppression coil voltage signal is larger, be easy to it is obtained, and it is little to obtain this magnitude of voltage error, degree of accuracy is high, therefore the utility model can accurately be regulated the gear of control arc suppression coil by obtaining the arc suppression coil voltage signal, and then stability and the security that can greatly improve resonant earthed system.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
Fig. 1 is a kind of structural representation of determining the device of arc suppression coil gear according to voltage signal of the utility model.
Embodiment
By shown in Figure 1, a kind of device of determining the arc suppression coil gear according to voltage signal, comprise that the output terminal of described voltage transformer (VT) is connected with the input end of microcontroller circuit be used to the voltage transformer (VT) that obtains arc suppression coil voltage and for the microcontroller circuit of regulating control arc suppression coil gear according to voltage signal.
Be further used as preferred embodiment, described microcontroller circuit comprises analog to digital converter, microprocessor chip and adjusting control circuit, and the output terminal of described voltage transformer (VT) is connected to the input end of adjusting control circuit successively by analog to digital converter and microprocessor chip.Its embodiment is, described voltage transformer (VT) obtains the AC high-voltage potential signal at the arc suppression coil two ends in the resonant earthed system, then be that the low voltage voltage signal outputs to microcontroller circuit with the AC high-voltage potential signal transition, after analog to digital converter in the microcontroller circuit carries out analog to digital conversion to the low voltage voltage signal, microprocessor chip utilizes the low voltage voltage signal that the capacitance current signal in the resonant earthed system is judged, thereby according to judged result and in conjunction with the method for operation, such as under-compensation or over-compensation, accurately the gear of arc suppression coil is regulated control by adjusting control circuit.Therefore, the utility model is to adopt the voltage signal of measuring arc suppression coil to replace traditional capacitance current measurement, and compared to traditional capacitance current measurement technical scheme, the utility model not only can accurately be regulated the gear of control arc suppression coil, and has saved material and reduced cost.
Be further used as preferred embodiment, this device also comprises controlled reactor X, and the output terminal of described controlled reactor X is connected with the input end of voltage transformer (VT), and the input end of controlled reactor X is connected with the output terminal of microcontroller circuit.Described controlled reactor X is arc suppression coil.
Be further used as preferred embodiment, described microcontroller circuit comprises analog to digital converter, microprocessor chip and adjusting control circuit, and the output terminal of described voltage transformer (VT) is connected to the input end of controlled reactor X successively by analog to digital converter, microprocessor chip and adjusting control circuit.Because the utility model also is provided with controlled reactor X, it is arc suppression coil, therefore the utility model can directly access resonant earthed system and uses, and can avoid voltage transformer (VT) or microcontroller circuit and controlled reactor X to occur not mating and situation that can't compatibility.
Be further used as preferred embodiment, this device also comprises capacitor C, and described capacitor C and controlled reactor X are connected in parallel.
Be further used as preferred embodiment, this device also comprises damping resistance R, and described damping resistance R and controlled reactor X are connected in series.
Be further used as preferred embodiment, this device is provided be used to the K switch that makes damping resistance R short circuit.
Be further used as preferred embodiment, described microprocessor chip is MCU microprocessor chip or ARM microprocessor chip.
More than be that better enforcement of the present utility model is specified, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art make all equivalent variations or replacement also can doing under the prerequisite of the utility model spirit, the distortion that these are equal to or replace all is included in the application's claim limited range.
Claims (8)
1. device of determining the arc suppression coil gear according to voltage signal, it is characterized in that: comprise that the output terminal of described voltage transformer (VT) is connected with the input end of microcontroller circuit be used to the voltage transformer (VT) that obtains arc suppression coil voltage and for the microcontroller circuit of regulating control arc suppression coil gear according to voltage signal.
2. described a kind of device of determining the arc suppression coil gear according to voltage signal according to claim 1, it is characterized in that: described microcontroller circuit comprises analog to digital converter, microprocessor chip and adjusting control circuit, and the output terminal of described voltage transformer (VT) is connected to the input end of adjusting control circuit successively by analog to digital converter and microprocessor chip.
3. described a kind of device of determining the arc suppression coil gear according to voltage signal according to claim 1, it is characterized in that: this device also comprises controlled reactor (X), the output terminal of described controlled reactor (X) is connected with the input end of voltage transformer (VT), and the input end of controlled reactor (X) is connected with the output terminal of microcontroller circuit.
4. described a kind of device of determining the arc suppression coil gear according to voltage signal according to claim 3, it is characterized in that: described microcontroller circuit comprises analog to digital converter, microprocessor chip and adjusting control circuit, and the output terminal of described voltage transformer (VT) is connected to the input end of controlled reactor (X) successively by analog to digital converter, microprocessor chip and adjusting control circuit.
5. describedly according to claim 4 a kind ofly determine the device of arc suppression coil gear according to voltage signal, it is characterized in that: this device also comprises electric capacity (C), and described electric capacity (C) is connected in parallel with controlled reactor (X).
6. describedly according to claim 5 a kind ofly determine the device of arc suppression coil gear according to voltage signal, it is characterized in that: this device also comprises damping resistance (R), and described damping resistance (R) is connected in series with controlled reactor (X).
7. describedly according to claim 6 a kind ofly determine the device of arc suppression coil gear according to voltage signal, it is characterized in that: this device is provided be used to the switch (K) that makes damping resistance (R) short circuit.
8. describedly according to claim 2 a kind ofly determine the device of arc suppression coil gear according to voltage signal, it is characterized in that: described microprocessor chip is MCU microprocessor chip or ARM microprocessor chip.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202133127U CN202710649U (en) | 2012-05-14 | 2012-05-14 | Device for determining arc suppression coil gear based on voltage signal |
| CN2012101469900A CN102707130A (en) | 2012-05-14 | 2012-05-14 | Method and device for determining arc suppression coil gear based on voltage signal |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202133127U CN202710649U (en) | 2012-05-14 | 2012-05-14 | Device for determining arc suppression coil gear based on voltage signal |
| CN2012101469900A CN102707130A (en) | 2012-05-14 | 2012-05-14 | Method and device for determining arc suppression coil gear based on voltage signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710649U true CN202710649U (en) | 2013-01-30 |
Family
ID=54776850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202133127U Expired - Fee Related CN202710649U (en) | 2012-05-14 | 2012-05-14 | Device for determining arc suppression coil gear based on voltage signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202710649U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707130A (en) * | 2012-05-14 | 2012-10-03 | 广东中钰科技有限公司 | Method and device for determining arc suppression coil gear based on voltage signal |
| CN112599372A (en) * | 2020-12-18 | 2021-04-02 | 双城市机电技术开发有限公司 | Arc suppression coil regulator |
-
2012
- 2012-05-14 CN CN2012202133127U patent/CN202710649U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707130A (en) * | 2012-05-14 | 2012-10-03 | 广东中钰科技有限公司 | Method and device for determining arc suppression coil gear based on voltage signal |
| CN112599372A (en) * | 2020-12-18 | 2021-04-02 | 双城市机电技术开发有限公司 | Arc suppression coil regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG ZHONGYU TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHONGYU SCIENCE + TECHNOLOGY CO., LTD., GUANGDONG |
|
| CP03 | Change of name, title or address |
Address after: 511495 Guangdong city of Guangzhou province Panyu District zhongcunzhen Pingshan Village (office building No. 2) Patentee after: GUANGDONG ZHONGYU TECHNOLOGY CO., LTD. Address before: A street in Guangdong city of Guangzhou province Panyu District 511495 cliff Street Xinghong Patentee before: Zhongyu Science & Technology Co., Ltd., Guangdong |
|
| 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: 20130130 Termination date: 20180514 |