CN203574358U - Safety equipment for power transmission and distribution - Google Patents
Safety equipment for power transmission and distribution Download PDFInfo
- Publication number
- CN203574358U CN203574358U CN201320189811.1U CN201320189811U CN203574358U CN 203574358 U CN203574358 U CN 203574358U CN 201320189811 U CN201320189811 U CN 201320189811U CN 203574358 U CN203574358 U CN 203574358U
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- CN
- China
- Prior art keywords
- transmission line
- control device
- power transmission
- optical sensor
- fibre optical
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses safety equipment for power transmission and distribution, and the equipment comprises a sensing control device. The sensing control device comprises an optical fiber sensor and a control device. The optical fiber sensor is in a linear structure, and is connected with the control device. The optical fiber sensor is parallel to a power transmission line, and mutually contacts with the power transmission line. The optical fiber sensor is used for collecting and transmitting temperature of the power transmission line and a signal of a partial discharge condition to the control device. The control device comprises a calculation element which is used for calculating the temperature value of the power transmission line, the position, corresponding to the temperature value, on the power transmission line, and the position of partial discharge on the power transmission line according to the signal received by the control device. The control device is used for circuit break operation according to the temperature value of the power transmission line and the partial discharge condition. The beneficial effects and characteristics are that the risks of damage, caused by short circuit, of the power transmission line and equipment are reduced; a light sensor is high in insulation and strong in capability of resisting disturbance; the measurement is high in precision; and the size of the equipment is smaller.
Description
Technical field
The utility model relates to a kind of power equipment, relates in particular to a kind of power transmission and distribution safety means.
Background technology
The high speed development of modern industry, conveying and detection to electrical network are had higher requirement, the measurement means of traditional high-voltage great-current will be faced with severe tests, and current sensor poor insulativity and poor anti jamming capability on current power transmission circuit, certainty of measurement is lower, and the shortcomings such as equipment size is larger, even also have potential explosion hazard; If be to install safeguard protection element or adjustment element in original Equipment Foundations additional and overcome the current method of above-mentioned shortcoming, not only increased cost input, and increased qualifying point, and then made complex management, complex operation.
Utility model content
For above-mentioned defect, now provide one to be intended to overcome poor insulativity and poor anti jamming capability, certainty of measurement is lower, and the shortcoming such as equipment size is larger, and has the power transmission and distribution safety means of automatic control function;
Concrete technical scheme is:
A kind of power transmission and distribution safety means, are applied to transmission line, comprise sensing and controlling device, and sensing and controlling device comprises Fibre Optical Sensor, control device;
Fibre Optical Sensor is linear structure, and Fibre Optical Sensor is connected with control device; Fibre Optical Sensor is parallel with transmission line, and is in contact with one another with transmission line;
Fibre Optical Sensor is for gathering and transmit the temperature signal of transmission line and this temperature correspondence and be positioned to control device the position signalling of transmission line;
Fibre Optical Sensor is also for gathering and transmitting the local discharge signal of transmission line and the partial discharge position position signalling corresponding to transmission line to control device;
Control device comprises computing element, computing element for the temperature value of the calculated signals transmission line that receives according to control device and this temperature value corresponding to the position on transmission line, and the partial discharge position of transmission line; Control device is also for carrying out open-circuit operation according to the temperature value of transmission line and partial discharge position.
Above-mentioned power transmission and distribution safety means, wherein, Fibre Optical Sensor comprises fibre optic temperature sensor and Optical Fibre Acoustic Emission Sensor.
Above-mentioned power transmission and distribution safety means, wherein, transmission line is underground line.
Above-mentioned power transmission and distribution safety means, wherein, transmission line is enclosed with insulation protective jacket.
Above-mentioned any one transmission line, wherein, the transmission line that transmission line is power distribution network.
The beneficial effect of the technical program is:
Utilize light sensing technology, temperature to transmission line and partial discharge situation detect simultaneously, and by control device, carried out the mode of power operation, reduced the risk that transmission line causes transmission line and equipment to damage due to short circuit, simultaneously, light sensor also possesses insulating properties and antijamming capability is strong, and certainty of measurement is high, and the feature such as equipment size is less.
Accompanying drawing explanation
Fig. 1 is the logical construction schematic diagram of the embodiment of a kind of power transmission and distribution safety means of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as restriction of the present utility model.
Power transmission and distribution safety means, are applied to transmission line as shown in Figure 1, comprise sensing and controlling device, and sensing and controlling device comprises Fibre Optical Sensor, control device; Fibre Optical Sensor is linear structure, and Fibre Optical Sensor is connected with control device; Fibre Optical Sensor is parallel with transmission line, and is in contact with one another with transmission line; Fibre Optical Sensor is for gathering and transmit the temperature signal of transmission line and this temperature correspondence and be positioned to control device the position signalling of transmission line; Fibre Optical Sensor is also for gathering and transmitting the local discharge signal of transmission line and the partial discharge position position signalling corresponding to transmission line to control device; Control device comprises computing element, computing element for the temperature value of the calculated signals transmission line that receives according to control device and this temperature value corresponding to the position on transmission line, and the partial discharge position of transmission line; Control device is also for carrying out open-circuit operation according to the temperature value of transmission line and partial discharge position.
Operation principle of the present utility model is: by Fibre Optical Sensor, the temperature of transmission line is responded to, and the signal acquiring through induction is transferred to control device, the computing element of control device goes out the temperature value of transmission line and this temperature value corresponding to the position on transmission line according to the calculated signals receiving, meanwhile, control device judges whether to carry out open-circuit operation according to the temperature value on transmission line and this temperature duration; By Fibre Optical Sensor, the partial discharge situation of transmission line is responded to, and the signal acquiring through induction is transferred to control device, the computing element of control device goes out partial discharge situation and the partial discharge position position of transmission line according to the calculated signals receiving, meanwhile, whether control device carries out open-circuit operation according to partial discharge situation on transmission line.
On the basis of technique scheme, further, Fibre Optical Sensor comprises fibre optic temperature sensor and Optical Fibre Acoustic Emission Sensor; Wherein fibre optic temperature sensor, for transmission line is carried out to temperature monitoring, is transferred to control device by the signal collecting simultaneously, and Optical Fibre Acoustic Emission Sensor is used for transmission line to carry out partial discharge monitoring, and the signal collecting is transferred to control device.
On the basis of technique scheme, further, transmission line is underground line; By transmission line, be set to underground line, can greatly reduce electromagnetism, the inductive interferences of transmission line to periphery, also reduced due to the transmission line destruction of electric leakage to surrounding environment and the threat to personal safety simultaneously.
On the basis of technique scheme, further, transmission line is enclosed with insulation protective jacket; By transmission line wrap insulate protective sleeve having been avoided to transmission line electric leakage situation, reduced transmission line because electric leakage is to the circuit threat of pedestrian's personal safety around.
On the basis of technique scheme, further, the transmission line that transmission line is power distribution network.
The foregoing is only the utility model preferred embodiment; not thereby limit execution mode of the present utility model and protection range; to those skilled in the art; the scheme that being equal to of should recognizing that all utilization the utility model specifications and diagramatic content done replaces and apparent variation obtains, all should be included in protection range of the present utility model.
Claims (5)
1. power transmission and distribution safety means, are applied to transmission line, it is characterized in that, comprise sensing and controlling device; Described sensing and controlling device comprises Fibre Optical Sensor, control device;
Described Fibre Optical Sensor is linear structure, and described Fibre Optical Sensor is connected with described control device; Described Fibre Optical Sensor is parallel with described transmission line, and is in contact with one another with described transmission line;
Described Fibre Optical Sensor is for gathering and transmit the temperature signal of described transmission line and this temperature correspondence and be positioned to described control device the position signalling of described transmission line;
Described Fibre Optical Sensor is also for gathering and transmitting the local discharge signal of described transmission line and the partial discharge position position signalling corresponding to described transmission line to described control device;
Described control device comprises computing element, described computing element for the temperature value of transmission line described in the calculated signals receiving according to described control device and this temperature value corresponding to the position on described transmission line, and the partial discharge position of described transmission line; Described control device is also for carrying out open-circuit operation according to the temperature value of described transmission line and partial discharge situation.
2. power transmission and distribution safety means as claimed in claim 1, is characterized in that, described Fibre Optical Sensor comprises fibre optic temperature sensor and Optical Fibre Acoustic Emission Sensor.
3. power transmission and distribution safety means as claimed in claim 1, is characterized in that, described transmission line is underground line.
4. power transmission and distribution safety means as claimed in claim 1, is characterized in that, described transmission line is enclosed with insulation protective jacket.
5. power transmission and distribution safety means as described in any one in claim 1 to 4, is characterized in that, described transmission line is power distribution network transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320189811.1U CN203574358U (en) | 2013-04-16 | 2013-04-16 | Safety equipment for power transmission and distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320189811.1U CN203574358U (en) | 2013-04-16 | 2013-04-16 | Safety equipment for power transmission and distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203574358U true CN203574358U (en) | 2014-04-30 |
Family
ID=50542071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320189811.1U Expired - Lifetime CN203574358U (en) | 2013-04-16 | 2013-04-16 | Safety equipment for power transmission and distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203574358U (en) |
-
2013
- 2013-04-16 CN CN201320189811.1U patent/CN203574358U/en not_active Expired - Lifetime
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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: 20140430 |
|
| CX01 | Expiry of patent term |