CN201054017Y - Transmission line fixed type remote distance computer electricity testing device - Google Patents
Transmission line fixed type remote distance computer electricity testing device Download PDFInfo
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- CN201054017Y CN201054017Y CNU2007201045749U CN200720104574U CN201054017Y CN 201054017 Y CN201054017 Y CN 201054017Y CN U2007201045749 U CNU2007201045749 U CN U2007201045749U CN 200720104574 U CN200720104574 U CN 200720104574U CN 201054017 Y CN201054017 Y CN 201054017Y
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- transmission line
- shell
- inductive head
- microcomputer
- circuit board
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Abstract
The utility model relates to a long-range microcomputer electroscope which is fixed and arranged below a transmission line and is a high-voltage electroscope applicable to the electrical and electric railway power-supplying equipment. The utility model is characterized in that an induction head consists of a metal antenna, a circuit board, a shell and a lead; the metal antenna in the induction head is arranged on the top end of the shell, and the metal antenna is connected with the circuit board arranged in the inner part of the shell through the lead; the circuit board arranged in the shell is connected with the microcomputer device through a shielded cable; the shell is a highly-insulated hollow shell body and the whole induction head is fixed and arranged at a position beyond a safe electric distance below the transmission equipment. The utility model inputs a set DC level from the induction head to conduct a judgment and sends out signals whether the transmission equipment is electriferous to a comprehensive automation system in the control room of an electric power/distribution substation. The utility model has the advantages that the functions of an idle contact signal output and an online automatic detection are available, signals can be sent out when the device is abnormal, the reliability is good and the anti-interference is strong, and fixed values as well as data cannot get lost when the DC power fails.
Description
Technical field:
The utility model relates to a kind of remote microcomputer electroscopic device that is fixedly mounted on the transmission line of electricity below, is applicable to the high voltage testing device at electric power, electrifing railway supply equipment.Belong to transmission facility electric automatization field.
Background technology:
Along with the fast development of electric railway and the raising of modern science and technology level, the input of electrification traction substation comprehensive automation becomes the main flow that Traction Substation of Electric Railway secondary control technology develops with utilization, and traction substation is unattended and telemechanical is operated the main pattern that progressively forms design and operation management; But with regard to the electrical verification process in the operation of feeder line back brake, at present because design reasons, each power supply department is in the interruption maintenance operation of organizing supply arm, the electrical verification program of transmission or not grid switching operation does not but reach comprehensive automation, still the pattern of artificial electrical verification is used in continuity, promptly uses insulation rod-type electroscope to carry out electrical verification on the spot to the location of the machine to be installed by the person on duty.The problem that this artificial electrical verification mode exists: the one, there is potential safety hazard (relevant regulations require: artificial electroscope must be and the electrical verification of live part contact) in manually-operated; The 2nd, the time of whole piece transmission line of electricity transmission or not operation is incured loss through delay in manually electrical verification on the spot; The 3rd, owing to need the electrical verification personnel to operate, can not realize unattended on the spot; The 4th, the mode of artificial electrical verification influences the robotization of transmission line of electricity.
Summary of the invention:
The utility model purpose is to overcome a series of problem that artificial electrical verification brought in the existing traction substation telemechanical operating process, invent a kind of fixing, in real time, reliably and need not manually to carry out the fixed remote microcomputer electroscopic device of transmission line of electricity of remote electrical verification.This electroscopic device energy online automatic detection function, energy issue device abnormal signal, when direct supply disappeared, definite value, data were not all lost, its idle contact signal output, the electroscopic device that good reliability, the suitable comprehensive automation that anti-interference is high are controlled.
The purpose of the fixed remote microcomputer electroscopic device of the utility model transmission line of electricity is finished by following array structure: it is characterized in that inductive head is made of metal antenna, circuit board, shell, lead, metal antenna in the inductive head is installed in the shell top, metal antenna is connected with the circuit board of cased portion by lead, install between circuit board and the microcomputer device in the enclosure and be connected by shielded cable, shell is high insulated hollow housing, and whole inductive head is fixedly mounted on position outside the electrical safety distance of transmission facility below.
The DC level that the microcomputer device central processing unit for processing is set from the inductive head input is judged, and is sent the whether charged signal of transmission facility to transformer and distribution station (station) pulpit complex automatic system.
Microcomputer device provides stable working power and sends circuit board signal to microcomputer device by the circuit board of shielded cable in inductive head.Whole inductive head profile is cylindrical, the semi-round ball bodily form, cone-shaped, the cubic bodily form, spherical or other shape, and inductive head is made by high insulating material.Whole inductive head should depart from angle of transmission line of electricity, and then horizontal direction has a segment distance T.Microcomputer device should be installed in apart from the not far part of inductive head, and microcomputer device should be placed in the metal box the necessary ground connection of metal box shell.
Basic functional principle: this device mainly includes inductive head (2) and microcomputer device (4) two big total prices.After whether charged inductive head (2) sense transmission line of electricity (1) or transmission facility signal by electric field action in air, import corresponding DC level by shielded cable (3) to microcomputer device (4), microcomputer device (4) closes cable (3) by the screen that connects and provides working power to inductive head (2), simultaneously also receive and handle inductive head (2) and carry flat DC level, after microcomputer device (4) central processing unit for processing, send the whether charged signal of this transmission line of electricity (1) to transformer and distribution station (station) pulpit of far-end again, allow traction substation understand at any time, learn the whether charged information of this transmission facility or transmission line of electricity (1), realize transmission line of electricity robotization control.
Though this device is to develop at the traction substation of electric railway comprehensive automation, also can be used on other electric power system field.
The principal feature of this device:
● adopt a covering device to be responsible for the electrical verification pattern of a test point.
● have RS-485 Netcom letter interface.
● have perfect self-checking function.
● adopt multilayer printed circuit board wiring technique and SMT surface mounting technology.
● high-level Electro Magnetic Compatibility, the casing structure of airtight, antidetonation, shell protection meets the requirement of IP50, and equipment is transferred to terminal box and is installed.
The fixed remote microcomputer electroscopic device of the utility model transmission line of electricity has the output of idle contact signal, the online automatic detection function, energy issue device abnormal signal, good reliability, strong interference immunity, when direct supply disappeared, definite value, data such as did not all lose at advantage, whether charged be applicable to the place such as electric substation, power transmission line of each electric pressure, be a kind of novel real-time check charging equipment device.
Description of drawings
Embodiment is elaborated below in conjunction with the manipulated or operated apparatus of high voltage testing shown in the accompanying drawing.
Structural representation when Fig. 1 is installed in the transmission line of electricity below for the fixed remote electroscopic device of the utility model transmission line of electricity.
Fig. 2 is the structural representation of the single cylindrical inductive head of the utility model (2) parts.
Fig. 3 is the vertical view of single cylindrical inductive head shown in Figure 2 (2) parts.
Fig. 4 is inductive head (2) the component circuitry schematic diagram in the fixed remote electroscopic device of the utility model transmission line of electricity.
Fig. 5 is the installation site synoptic diagram of the fixed remote electroscopic device of the utility model transmission line of electricity.
Fig. 6 is the vertical view of the fixed remote electroscopic device of transmission line of electricity shown in Figure 5.
Fig. 7 is the circuit theory diagrams of microcomputer device (4) in the fixed remote electroscopic device of the utility model transmission line of electricity.
Fig. 8 is that inductive head (2) parts are the structural representation of semi-round ball bodily form shape.
Fig. 9 is the vertical view of inductive head shown in Figure 8 (2) parts.
Figure 10 is that inductive head (2) parts are the structural representation of cone-shaped shape.
Figure 11 is the vertical view of inductive head shown in Figure 10 (2) parts.
Figure 12 is the fixed remote electroscopic device fundamental diagram of the utility model transmission line of electricity.
Figure 13 is the fixed remote electroscopic device installation site figure of the utility model transmission line of electricity.
In the drawings: 1---transmission line of electricity; 2---inductive head; 3---shielded cable; 4---microcomputer device; 5---metal antenna; 6---circuit board; 7---shell; 8---lead; The electrical safety distance of S---inductive head parts and transmission line of electricity below longitudinal direction; The distance of T---inductive head parts and transmission line of electricity horizontal direction.
Embodiment:
The fixed remote microcomputer electroscopic device of Fig. 1 transmission line of electricity mainly comprises (1), inductive head (2), circuit board (6) and microcomputer device (4), metal antenna (5) and the lead (8) that is connected with circuit board (7).Its functional character is: inductive head (2) by effect of electric field induction transmission facility (1) whether charged after, import corresponding DC level through shielded cable (3) to microcomputer device (4), after microcomputer device (4) central processing unit for processing, complex automatic system is sent the whether charged signal of transmission facility (1) to transformer and distribution station (station) pulpit.Inductive head (2) is to be connected by shielded cable (3) with microcomputer device (4), and circuit board (6) working power is provided through shielded cable (3) by microcomputer device (4), circuit board (6) working stability like this, and antijamming capability strengthens.
Fig. 4 is the circuit working schematic diagram of inductive head (2) parts.Its principle: when transmission line of electricity (1) is charged, metal antenna (5) in the inductive head (2) produces with transmission line of electricity (1) magnetic field coupling in air and senses alternating voltage, through triode BG conducting and the effect that ends, on 8,9 pin of integrated package D0 (HD14011), produce one 0 to+DC level that 5V changes, peak value of 3 pin of integrated package D0 (HD14011) output is+pulse of 5V, and it becomes level and smooth relatively being about+5V DC level after capacitor C 2 filtering.When transmission line of electricity (1) is not charged, do not produce the induction alternating voltage under metal antenna (5) in the inductive head (2) and transmission facility (1) the aerial magnetic field coupling, then alternating voltage is 0, triode BG ends, be low level (being about 0) on 8,9 pin of integrated package D0 (HD14011), 3 pin of integrated package D0 (HD14011) are output as low level.
Fig. 5 is the utility model device actual installation location status synoptic diagram, wherein height (fore-and-aft distance) S between inductive head (2) installation site and transmission facility or the transmission line of electricity (1) should meet outside the safe distance scope of national relevant regulations, whole inductive head (2) should not be installed in transmission line of electricity (1) under, should depart from (1) angle of transmission line of electricity, then horizontal direction has a segment distance T, see shown in Figure 6ly, wear to prevent that inductive head (2) from being swashed by electric field boundary.
Microcomputer device (4) should be installed in apart from the not far place of inductive head (2), and should be placed in the metal box, and the metal box shell must ground connection, and is installed in charging equipment and enough safe distances is arranged and meet national relevant regulations.
Fig. 7 is the fundamental diagram of microcomputer device (4), its principle is: when transmission line of electricity (1) is charged, inductive head (2) output level and smooth relatively being about+5V DC level is behind microcomputer device (1), after the D7A comparison process, after the D7A comparison process, D7A is to positive potential of the P0.0 of central processing unit D1 mouth output, after central processing unit is handled relatively to this current potential, by P1.4 mouth electronegative potential of 2 pin output to optocoupler D12, optocoupler D12 conducting is to noble potential of 1 pin output of midget relay CK1, midget relay CK1 action, its normal opened contact closure, normally closed contact disconnects.When transmission line of electricity (1) is not charged is low level.After being transported to microcomputer device (4), after central processing unit is handled relatively to this current potential, by P1.4 mouth noble potential of 2 pin output to optocoupler D12, not conducting of optocoupler D12, midget relay CK1 is failure to actuate, its normally closed contact closure, normal opened contact disconnects.In addition the RS485 communication port of microcomputer device (4) by Wiring port (9) can be constantly and change distribution (station) pulpit complex automatic system exchange message through private cable.Main by realizing with RxD, the TxD pin of DS, D9, D10 and central processing unit D1.
Fig. 8, Fig. 9 are that inductive head (1) parts are the synoptic diagram of semi-round ball body profile; Figure 10 and Figure 11 are that inductive head (1) parts are the synoptic diagram of cone profile, though both resemblances are different, form but each inductive head (1) inside all has by metal antenna (5), circuit board (6), shell (7), circuit board (6) is connected by lead (8) with metal antenna (5).Different except profile, it realizes with cylindrical inductive head (2) whether the check transmission line of electricity has the purpose of electricity identical.
Referring to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, when transmission facility is charged, metal antenna (5) in the utility model device inductive head (2) produces the induction alternating voltage with the coupling of the aerial magnetic field of transmission line of electricity (1), through triode BG conducting and the effect that ends, on 8,9 pin of integrated package D0 (HD14011), produce one 0 to+DC level that 5V changes, peak value of 3 pin of integrated package D0 (HD14011) output is+pulse of 5V, and it becomes level and smooth relatively being about+5V DC level after capacitor C 2 filtering.After shielded cable (3) is passed to microcomputer device (4), after the D7A comparison process, D7A is to positive potential of the P0.0 of central processing unit D1 mouth output, after central processing unit is handled relatively to this current potential, by P1.4 mouth electronegative potential of 2 pin output, optocoupler D12 conducting to optocoupler D12, noble potential of 1 pin output to midget relay CK1, midget relay CK1 action, its normal opened contact closure, normally closed contact disconnects.
When transmission line of electricity (1) is not charged, it is 0 that the metal antenna (5) of this electroscopic device inductive head (2) produces the induction alternating voltage with the coupling of the aerial magnetic field of transmission line of electricity (1), BG ends through triode, at 8 of integrated package D0 (HD14011), be low level (being about 0) on 9 pin, 3 pin of integrated package D0 (HD14011) are output as low level, after shielded cable (3) is transported to microcomputer device (4), after central processing unit is handled relatively to this current potential, by P1.4 mouth noble potential of 2 pin output to optocoupler D12, not conducting of optocoupler D12, midget relay CK1 is failure to actuate, its normally closed contact closure, and normal opened contact disconnects.
Microcomputer device (4) can carry out the mutual information exchange with change distribution (station) pulpit complex automatic system by the RS485 communication port of Wiring port (9) at any time through private cable.Mainly realize by RxD, TxD with DS, D9, DI0 and central processing unit D1.By exchange message, become distribution (station) pulpit and can grasp the whether charged information of this transmission line of electricity (1) as required at any time, for the realization complex automatic system of transformer and distribution station (station) pulpit provides a signal bridge.
Microcomputer device (4) is placed on apart from the not far part of circuit board (6), and microcomputer device (4) should be placed in the metal box, the metal box earthing of casing, and metal box is installed in the charging equipment that meets national relevant regulations to be had in the safe distance scope, prevents electric leakage and thunderbolt.
This device inductive head (2) is installed in outside the safe distance of electric power safety regulation according to the electric pressure of the circuit of installing.Export effective dc level signal to transformer and distribution station (station) pulpit.
Adopt three-core shielding cable (3) to be connected between inductive head (2) and the microcomputer device (4), red cable is connected to No. 10 terminals of high voltage testing device (5V), yellow cable is connected to No. 11 terminals of high voltage testing device (input), the black cable is connected to No. 12 terminals of high voltage testing device (GND), black sleeve pipe cable is connected to No. 3 terminals of high voltage testing device (shielding ground), output contact adopts the general control cable to be connected in transformer and distribution station (station) pulpit, and telecommunication cable adopts special-purpose three-core shielding telecommunication cable to be connected to receiving equipment or system.
Claims (6)
1. fixed remote microcomputer electroscopic device of transmission line of electricity, it is characterized in that inductive head (2) is by metal antenna (5), circuit board (6), shell (7), lead (8) constitutes, metal antenna (5) in the inductive head (2) is installed in shell (7) top, metal antenna (5) is connected by lead (8) circuit board (6) inner with being contained in shell (7), be installed between circuit board (6) and the microcomputer device (4) in the shell (7) and be connected by shielded cable (3), shell (7) is high insulated hollow housing, and whole inductive head (2) is fixedly mounted on position outside the electrical safety distance of transmission facility (1) below.
2. according to the fixed remote microcomputer electroscopic device of transmission line of electricity according to claim 1, it is characterized in that the DC level that microcomputer device (4) central processing unit for processing is set from inductive head (2) input judges, and send the whether charged signal of transmission facility (1) to the transformer and distribution station/pulpit complex automatic system of standing.
3. according to the fixed remote microcomputer electroscopic device of transmission line of electricity according to claim 1 and 2, it is characterized in that microcomputer device (4) provides stable working power and sends circuit board (6) signal to microcomputer device (4) by the circuit board (6) of shielded cable (3) in inductive head (2).
4. the fixed remote electroscopic device of transmission line of electricity according to claim 1 and 2, it is characterized in that whole inductive head (2) profile is cylindrical, the semi-round ball bodily form, cone-shaped, the cubic bodily form, spherical or other shape, inductive head (2) is made by high insulating material.
5. according to the fixed remote electroscopic device of transmission line of electricity according to claim 1 and 2, it is characterized in that whole inductive head (2) should depart from (1) angle of transmission line of electricity, then horizontal direction has a segment distance T.
6. according to the fixed remote electroscopic device of transmission line of electricity according to claim 1 and 2, its feature should be installed in apart from the not far part of inductive head (2) at microcomputer device (4), and microcomputer device (4) should be placed in the metal box the necessary ground connection of metal box shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201045749U CN201054017Y (en) | 2007-04-27 | 2007-04-27 | Transmission line fixed type remote distance computer electricity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201045749U CN201054017Y (en) | 2007-04-27 | 2007-04-27 | Transmission line fixed type remote distance computer electricity testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201054017Y true CN201054017Y (en) | 2008-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201045749U Expired - Fee Related CN201054017Y (en) | 2007-04-27 | 2007-04-27 | Transmission line fixed type remote distance computer electricity testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201054017Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699742A (en) * | 2016-01-25 | 2016-06-22 | 中国电力科学研究院 | +/-800kV DC power transmission line hot-line electrical inspection device |
-
2007
- 2007-04-27 CN CNU2007201045749U patent/CN201054017Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699742A (en) * | 2016-01-25 | 2016-06-22 | 中国电力科学研究院 | +/-800kV DC power transmission line hot-line electrical inspection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 |