CN206209023U - A kind of tester for ultra-high-tension power transmission line - Google Patents
A kind of tester for ultra-high-tension power transmission line Download PDFInfo
- Publication number
- CN206209023U CN206209023U CN201621329904.XU CN201621329904U CN206209023U CN 206209023 U CN206209023 U CN 206209023U CN 201621329904 U CN201621329904 U CN 201621329904U CN 206209023 U CN206209023 U CN 206209023U
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- China
- Prior art keywords
- transmission line
- tester
- ultra
- test device
- output end
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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.)
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Abstract
Include test power supply the utility model discloses a kind of tester for ultra-high-tension power transmission line, synchro source, transmission line parameter test device, tested circuit and housing, transmission line parameter test device in the inner chamber of the housing, the transmission line parameter test device is respectively by external test power supply and the synchro source of wire, the output end of the transmission line parameter test device and tested connection, the transmission line parameter test device includes main control unit, data acquisition unit, filter circuit, A/D change-over circuits, radio communication unit, remote terminal and relay.A kind of described tester for ultra-high-tension power transmission line improves the accuracy of test and the security of tester equipment, improves operating efficiency and is easy to search test position.
Description
Technical field
The utility model is related to the tester field for ultra-high-tension power transmission line, specially a kind of to be used for ultra-high-tension power transmission line
Tester.
Background technology
At present, the development with power network and the anxiety of line corridor land used, the situation with many times erections of bar are more and more universal,
Coupling between transmission line of electricity is more and more tightr, and in transmission line power frequency parameter test, interference is increasingly stronger, has a strong impact on survey
The accuracy of examination and the security of tester equipment.
Transmission line of electricity is the important component of power system, for example positive order parameter of its power frequency parameter, negative phase-sequence parameter and zero sequence
Parameter is to carry out electric power system tide calculating, multilayer output feedback network, relay protection setting calculation and power system operation mode system
Surely the parameters necessary that mathematical models of power system is set up before work is waited, its accuracy is directly connected to the safety and stability fortune of power network
OK.Due to being influenceed by factors such as geography, environment, these parameters are difficult to accurately be calculated by theoretical method, it is necessary to periodically enter
Row field measurement, but because high voltage power transmission corridor is most in remote districts, public network signal covering is universal poor so that power transmission line
Test data transmission is unreliable.
Utility model content
1. the utility model problem to be solved
The purpose of this utility model is to provide a kind of tester for ultra-high-tension power transmission line, to solve above-mentioned background skill
Proposed in art：Coupling between transmission line of electricity is more and more tightr, has a strong impact on the accuracy and tester equipment of test
Security, and data transfer it is unreliable the problems such as.
2. technical scheme
To achieve the above object, the utility model provides following technical scheme：Including test power supply, synchro source, transmission of electricity
Line parameter circuit value test device, tested circuit and housing, are provided with transmission line parameter test device, institute in the inner chamber of the housing
Transmission line parameter test device is stated respectively by external test power supply and the synchro source of wire, the transmission line parameter test
The output end of device and tested connection；
The transmission line parameter test device includes main control unit, data acquisition unit, filter circuit, A/D conversion electricity
Road, radio communication unit, remote terminal and relay, the input of the data acquisition unit is respectively at test power supply and synchronization
Power supply is connected, and the output end of data acquisition unit is connected with the input of filter circuit, the output end of the filter circuit and
The input of A/D change-over circuits is connected, and the output end of A/D change-over circuits is connected with the input of main control unit, the master control
The output end of unit is connected by radio communication unit with remote terminal, the output end of the main control unit with and relay it is defeated
Enter end connection, and the input of relay is connected with the input of data acquisition unit.
Preferably, transmission connected by transformer between described test power supply and transmission line parameter test device believe
Breath.
Preferably, GPS locator connection is provided with the inner chamber of described housing, and GPS locator is two-way with main control unit
It is electrically connected with, described GPS locator records the test position of ultra-high-tension power transmission line.
Preferably, the upper surface of described housing is provided with display screen, and input and the main control unit of display screen output
End connection, described display screen is used to show test data information.
Preferably, described data acquisition unit includes voltage sensor and current sensor.
3. beneficial effect
Compared with prior art, the beneficial effects of the utility model are：
（1）A kind of described tester for ultra-high-tension power transmission line makes power transmission line by transmission line parameter test device
Road power frequency parameter test is more accurate, substantially increases the accuracy of test and the security of tester equipment, makes test number
According to more accurate, the security performance of relay raising test.
（2）Power supply is tested in a kind of described tester for ultra-high-tension power transmission line by transformer and power transmission line parameter
Test device is connected, the miniaturization of protection equipment and automatic control equipment, while transformer can separate high-voltage system, to protect
The safety of witness's body and equipment, makes within the scope of the test electric current of circuit to be measured allowed in measurement apparatus, to improve test
Security and data testing precision.
（3）GPS positioning unit can facilitate staff's reality in a kind of described tester for ultra-high-tension power transmission line
The transmission line of electricity that Shi Jilu has been crossed after tested, improves operating efficiency and is easy to search test position.
Brief description of the drawings
Fig. 1 is transmission line parameter test device structural schematic block diagram of the present utility model；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is structural representation schematic diagram of the present utility model；
Fig. 4 is installation drawing of the present utility model.
In figure：1st, power supply is tested, 2, transformer, 3, synchro source, 4, transmission line parameter test device, 41, master control list
Unit, 5, tested circuit, 6, relay, 7, data acquisition unit, 8, filter circuit, 9, A/D change-over circuits, 10, wireless telecommunications
Unit, 11, remote terminal, 12, GPS locator, 13, display screen.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of tester for ultra-high-tension power transmission line,
Including test power supply 1, synchro source 3, transmission line parameter test device 4, tested circuit 5 and housing 14, housing 14 it is interior
Transmission line parameter test device 4 is provided with chamber, transmission line parameter test device 4 is respectively by the external test power supply 1 of wire
With synchro source 3, the output end of transmission line parameter test device 4 is connected with tested circuit 5；
Transmission line parameter test device 4 includes main control unit 41, data acquisition unit 7, filter circuit 8, A/D conversion electricity
Road 9, radio communication unit 10, remote terminal 11 and relay 6, the input of data acquisition unit 7 is respectively at the test He of power supply 1
Synchro source 3 is connected, and the output end of data acquisition unit 7 is connected with the input of filter circuit 8, the output of filter circuit 8
End is connected with the input of A/D change-over circuits 9, and the output end of A/D change-over circuits 9 is connected with the input of main control unit 41,
The output end of main control unit 41 is connected by radio communication unit 10 with remote terminal 11, the output end of main control unit 41 with and after
The input of electrical equipment 6 is connected, and the input of relay 6 is connected with the input of data acquisition unit 7.
Operation principle：During utility model works, test power supply 1 can be by high-voltage variable into low-voltage, big by transformer 2
Electric current becomes low current, so as to reach the virtual value of controlled output voltage in safe range, for measurement apparatus provide certain model
The test voltage enclosed, improves the security of test, make scope that the test electric current of circuit to be measured 5 allowed in measurement apparatus it
Interior, data on 7 ultra-high-tension power transmission lines for collecting of data acquisition unit circuit 8 after filtering reduce pulsation as far as possible
Alternating component in DC voltage, retains its flip-flop, output voltage is more stablized, and A/D is conveyed information to afterwards and is turned
Circuit 9 is changed, analog signal is converted into data signal and passes to main control unit 41 by A/D change-over circuits 9, and main control unit 41 is interior to be provided with
DSP high speed processors, by wireless communication unit 10 test information transmission to remote terminal 11, facilitate staff to check survey
Test result, test data is relatively reliable, while relay 6 can disconnect with isolation features automatically in test job, can
Protection circuit safety, change-over circuit etc..
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any one skilled in the art in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its improvement design is subject to equivalent or change, should all cover in protection domain of the present utility model
It is interior.
Claims (5)
1. a kind of tester for ultra-high-tension power transmission line, including test power supply（1）, synchro source（3）, transmission line parameter survey
Trial assembly is put（4）, tested circuit（5）And housing（14）, it is characterised in that：The housing（14）Inner chamber in be provided with transmission line of electricity
Parameter test device（4）, the transmission line parameter test device（4）Pass through the external test power supply of wire respectively（1）And synchronization
Power supply（3）, the transmission line parameter test device（4）Output end and tested circuit（5）Connection；
The transmission line parameter test device（4）Including main control unit（41）, data acquisition unit（7）, filter circuit（8）、
A/D change-over circuits（9）, radio communication unit（10）, remote terminal（11）And relay（6）, the data acquisition unit（7）'s
Input is respectively at test power supply（1）And synchro source（3）Connection, and data acquisition unit（7）Output end and filter circuit
（8）Input connection, the filter circuit（8）Output end and A/D change-over circuits（9）Input connection, and A/D change
Circuit（9）Output end and main control unit（41）Input connection, the main control unit（41）Output end pass through channel radio
News unit（10）With remote terminal（11）Connection, the main control unit（41）Output end with and relay（6）Input connect
Connect, and relay（6）Input and data acquisition unit（7）Input connection.
2. a kind of tester for ultra-high-tension power transmission line according to claim 1, it is characterised in that：Described test electricity
Source（1）With transmission line parameter test device（4）Between pass through transformer（2）Connection transmission information.
3. a kind of tester for ultra-high-tension power transmission line according to claim 1, it is characterised in that：Described housing
（14）Inner chamber in be provided with GPS locator（12）, and GPS locator（12）With main control unit（41）Two-way electric connection.
4. a kind of tester for ultra-high-tension power transmission line according to claim 1, it is characterised in that：Described housing
（14）Upper surface be provided with display screen（13）, and display screen（13）Input and main control unit（41）Output end connection.
5. a kind of tester for ultra-high-tension power transmission line according to claim 1, it is characterised in that：Described data are adopted
Collection unit（7）Including voltage sensor and current sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329904.XU CN206209023U (en) | 2016-12-06 | 2016-12-06 | A kind of tester for ultra-high-tension power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329904.XU CN206209023U (en) | 2016-12-06 | 2016-12-06 | A kind of tester for ultra-high-tension power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206209023U true CN206209023U (en) | 2017-05-31 |
Family
ID=58751525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621329904.XU Expired - Fee Related CN206209023U (en) | 2016-12-06 | 2016-12-06 | A kind of tester for ultra-high-tension power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206209023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024247A (en) * | 2017-06-06 | 2017-08-08 | 国家电网公司 | Transmission line of electricity interruption of service on-line monitoring system based on magnetic flux transducer |
-
2016
- 2016-12-06 CN CN201621329904.XU patent/CN206209023U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024247A (en) * | 2017-06-06 | 2017-08-08 | 国家电网公司 | Transmission line of electricity interruption of service on-line monitoring system based on magnetic flux transducer |
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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 |
Granted publication date: 20170531 Termination date: 20181206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |