CN207353836U - Relay protection of transmission line device - Google Patents
Relay protection of transmission line device Download PDFInfo
- Publication number
- CN207353836U CN207353836U CN201721148140.9U CN201721148140U CN207353836U CN 207353836 U CN207353836 U CN 207353836U CN 201721148140 U CN201721148140 U CN 201721148140U CN 207353836 U CN207353836 U CN 207353836U
- Authority
- CN
- China
- Prior art keywords
- fixed
- transmission line
- relay protection
- conductor
- collets
- Prior art date
- 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 - Fee Related
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Abstract
The utility model discloses a kind of relay protection of transmission line device, it is related to electrical equipment, which can connect wire connection terminal by electric wire and be directly connected in transmission line of electricity.Whole circuit usually between two fixed conductor blocks, is connected into channel status by movable conductor bar.When current meter detects that the electric current of circuit occurs abnormal; current information is sent to the control circuit of numerical control push-pull device at fixed; and numerical control push-pull device at fixed just controls movable conductor bar to be moved between two collets, whole circuit is in short-circuit condition, so as to carry out relay protection to transmission line of electricity.Relay protection of transmission line device design is compact, easy to use, and reliability is high, can be directly connected in transmission line of electricity, and intelligent relay protection is carried out to transmission line of electricity.
Description
Technical field
Electrical equipment is the utility model is related to, specifically, a kind of transmission line of electricity relay is the utility model is related to and protects
Protection unit.
Background technology
Protective relaying device is to work as force device in electric system or electric system there occurs failure in itself to jeopardize electric power
It during system safety operation, can in time send warning signal to operator, or directly sent out to the breaker controlled
Go out trip signal to terminate a kind of automation measure of these events development and equipment.It can usually pacify on the transmission line of electricity of power plant
Fill some protective relaying devices, when the transmission line of electricity magnitude of current is excessive will tripping protection circuit.Existing transmission line of electricity relay is protected
Protection unit design comparison is complicated, trouble is installed among practical application, use is very inconvenient, and poor reliability.
Utility model content
For the utility model mainly solving the technical problems that providing a kind of relay protection of transmission line device, design is compact,
It is easy to use, and reliability is high, can be directly connected in transmission line of electricity, and intelligent relay is carried out to transmission line of electricity and is protected
Shield.
To achieve the above object, the utility model provides following technical solution：
A kind of relay protection of transmission line device, including shell, shell is the tubular structure of both ends open, in enclosure
Numerical control push-pull device at fixed is installed, numerical control push-pull device at fixed connects movable conductor bar, and electric current metering is provided with movable conductor bar at the heart
Device, current meter are connected by data cable with the control circuit of numerical control push-pull device at fixed, and enclosure is equipped with two fixed conductor blocks,
Two fixed conductor blocks are located at the both ends of movable conductor bar respectively, and two fixed conductor block facing movament conductor rods sides are arranged with
Collets, two fixed conductor blocks are equipped with wire connection terminal away from its collets one end.
As the further optimization of the technical program, the shell and collets are manufactured by PVC plastic, and collets pass through
Binding agent is fixed on fixed conductor block end face, and collets are concordant with the end face of fixed conductor block.
As the further optimization of the technical program, the two fixed conductors block and movable conductor bar are by copper alloy system
Make, fixed conductor block is fixed on the inner wall of shell by binding agent.
As the further optimization of the technical program, rechargeable battery is installed inside the numerical control push-pull device at fixed.
It is using the beneficial effect of above technical scheme：The relay protection of transmission line device can be connect by electric wire
Line terminals are directly connected in transmission line of electricity.Usually between two fixed conductor blocks, whole circuit is connected for movable conductor bar
Into channel status.When current meter detects that the electric current of circuit occurs abnormal, current information is sent to numerical control push-and-pull dress
The control circuit put, and numerical control push-pull device at fixed just controls movable conductor bar to be moved between two collets, whole circuit is in short
Line state, so as to carry out relay protection to transmission line of electricity.Relay protection of transmission line device design is compact, easy to use, and
And reliability is high, can be directly connected in transmission line of electricity, intelligent relay protection is carried out to transmission line of electricity.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structure sectional view of relay protection of transmission line device of the utility model；
Fig. 2 is a kind of side structure schematic diagram of relay protection of transmission line device of the utility model.
Wherein, 1-shell, 2-fixed conductor block, 3-movable conductor bar, 4-current meter, 5-numerical control push-and-pull dress
Put, 6-collets, 7-wire connection terminal, 8-data cable.
Embodiment
Describe a kind of preferred embodiment of relay protection of transmission line device of the utility model in detail below in conjunction with the accompanying drawings.
Fig. 1 and Fig. 2 shows a kind of embodiment of relay protection of transmission line device of the utility model：With reference to Fig. 1
And Fig. 2, a kind of relay protection of transmission line device, including shell 1, shell 1 is the tubular structure of both ends open, inside shell 1
Numerical control push-pull device at fixed 5 is installed, numerical control push-pull device at fixed 5 is connected with movable conductor bar 3, is provided with movable conductor bar 3 at center
Current meter 4, current meter 4 are connected by data cable 8 with the control circuit of numerical control push-pull device at fixed 5, and shell 1 is internally provided with
Two fixed conductor blocks 2, two fixed conductor blocks 2 are located at the both ends of movable conductor bar 3 respectively, and two fixed conductor blocks, 2 facing movament is led
3 side of body rod is arranged with collets 6, and two fixed conductor blocks 2 are equipped with wire connection terminal 7 away from its 6 one end of collets.
Shell 1 and collets 6 are manufactured by PVC plastic, sturdy and durable, and insulation performance is good, and collets 6 pass through bonding
Agent is fixed on 2 end face of fixed conductor block, and collets 6 are concordant with the end face of fixed conductor block 2.Two fixed conductor blocks 2 and activity
Conductor rods 3 are manufactured by copper alloy, are conducted electricity very well, and fixed conductor block 2 is fixed on the inner wall of shell 1 by binding agent.Numerical control
Rechargeable battery is installed inside push-pull device at fixed 5, rechargeable battery provides electric energy for numerical control push-pull device at fixed 5 and current meter 4, and
It can charge repeatedly, it is easy to use.
The relay protection of transmission line device can connect wire connection terminal 7 by electric wire and be directly connected in transmission line of electricity.
When movable conductor bar 3 is flat between two fixed conductor blocks 2, whole circuit is connected into channel status.When current meter 4 is examined
When the electric current for measuring circuit occurs abnormal, current information is sent to the control circuit of numerical control push-pull device at fixed 5 by current meter 4,
And numerical control push-pull device at fixed 5 just controls movable conductor bar 3 to be moved between two collets 6, whole circuit is in short-circuit condition, so that
Relay protection is carried out to transmission line of electricity.Relay protection of transmission line device design is compact, easy to use, and reliability is high,
It can be directly connected in transmission line of electricity, intelligent relay protection carried out to transmission line of electricity.
More than be only the utility model preferred embodiment, it is noted that for those of ordinary skill in the art
For, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these belong to this
The protection domain of utility model.
Claims (4)
1. a kind of relay protection of transmission line device, including shell (1), shell (1) is the tubular structure of both ends open, its feature
It is：Numerical control push-pull device at fixed (5) is installed at shell (1) inside center, numerical control push-pull device at fixed (5) connects movable conductor bar (3),
Current meter (4) is installed, current meter (4) passes through data cable (8) and numerical control push-pull device at fixed on movable conductor bar (3)
(5) control circuit connection, shell (1) are internally provided with two fixed conductor blocks (2), and two fixed conductor blocks (2) are respectively positioned at activity
The both ends of conductor rods (3), two fixed conductor block (2) facing movament conductor rods (3) sides are arranged with collets (6), and two is solid
Determine conductor block (2) and be equipped with wire connection terminal (7) away from its collets (6) one end.
2. relay protection of transmission line device according to claim 1, it is characterised in that：The shell (1) and collets
(6) manufactured by PVC plastic, collets (6) are fixed on fixed conductor block (2) end face by binding agent, and collets (6) are with consolidating
The end face for determining conductor block (2) is concordant.
3. relay protection of transmission line device according to claim 1, it is characterised in that：The two fixed conductors block (2)
Manufactured with movable conductor bar (3) by copper alloy, fixed conductor block (2) is fixed on the inner wall of shell (1) by binding agent.
4. relay protection of transmission line device according to claim 1, it is characterised in that：The numerical control push-pull device at fixed (5)
Inside is provided with rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148140.9U CN207353836U (en) | 2017-09-08 | 2017-09-08 | Relay protection of transmission line device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148140.9U CN207353836U (en) | 2017-09-08 | 2017-09-08 | Relay protection of transmission line device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353836U true CN207353836U (en) | 2018-05-11 |
Family
ID=62409622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721148140.9U Expired - Fee Related CN207353836U (en) | 2017-09-08 | 2017-09-08 | Relay protection of transmission line device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310947A (en) * | 2020-10-19 | 2021-02-02 | 华翔翔能科技股份有限公司 | Micro-grid relay protection device and protection method |
-
2017
- 2017-09-08 CN CN201721148140.9U patent/CN207353836U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310947A (en) * | 2020-10-19 | 2021-02-02 | 华翔翔能科技股份有限公司 | Micro-grid relay protection device and protection method |
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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: 20180511 Termination date: 20190908 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |