CN2454914Y - Alarming device fior preventing switch-on of ground wire - Google Patents
Alarming device fior preventing switch-on of ground wire Download PDFInfo
- Publication number
- CN2454914Y CN2454914Y CN 00262079 CN00262079U CN2454914Y CN 2454914 Y CN2454914 Y CN 2454914Y CN 00262079 CN00262079 CN 00262079 CN 00262079 U CN00262079 U CN 00262079U CN 2454914 Y CN2454914 Y CN 2454914Y
- Authority
- CN
- China
- Prior art keywords
- ground wire
- circuit
- state
- controller
- ground
- 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
Links
Images
Abstract
The utility model relates to a safety protector for temporary hitching ground wires, which belongs to a pre-alarm preventing device. The utility model is mainly composed of a ground wire frame, a controller and a ground wire state indicator, wherein the ground wire control frame is composed of a frame body, hooks and a ground wire state signal collector; the ground wire state signal collector is positioned in the frame body, and the hooks are positioned on the surface of the frame body; one end of each of the hooks is connected with the signal collector, and the other end is used for arranging the ground wire. The controller and the ground wire state indicator are installed in a main control room, and the ground wire state indicator is connected with the controller. The utility model with reasonable structure reinforces the standard and accurate management to the temporary connection of the ground wire, and reduces hidden troubles.
Description
The utility model is a kind of safety device of interim hanging earthing conductor, belongs to anti-pre-alarm device.
At present, usually need temporary ground wire in maintenance or working site, also be temporary grounding envelope line, be meant when electrical production site examining and repairing equipment in order to prevent power failure equipments incoming call or issuable induced voltage and disconnected of the injury of back residual charge suddenly the equipment that three phase mains short circuit that repair apparatus is imported and ground connection are adopted to the maintainer by maintenance equipment and power supply.Being the important measures of protection maintainer personal safety, also is the important step in the grid switching operation task.Along with expanding economy, power load is sharp increase also, and the control appliance at electrical production scene is also corresponding to be increased, the proportional increase of maintenance task, and the frequency of utilization of ground connection envelope line also increases thereupon, but thing followed switching on earth wire accident also takes place again and again.The temporary ground wire group that electric power system is at present being used always is owing to lack effective monitoring management device, the site operation personnel has carelessness will cause major break down slightly, the misoperation of earth connection not only can cause personnel's injures and deaths, device damage but also bring economically massive losses can for the safe operation production of electrical network.
The purpose of this utility model is a kind of prevention switching on earth wire warning device of design, and it is rational in infrastructure, and strict control is carried out in the use of ground wire, prevents major accident, makes the operation of electric power system safer.
The designed prevention switching on earth wire warning device of the utility model mainly is made of ground coil holder, controller and state of ground wire indicating device, ground line traffic control frame is made up of frame body, hook and state of ground wire signal picker, the state of ground wire signal picker is positioned at the frame body, hook is positioned at frame body surface, it is linked up with an end and is connected with the state of ground wire signal picker, and the other end is used to put ground wire; Controller and state of ground wire indicating device are installed in the master-control room, and the state of ground wire indicating device is connected with controller.
In the designed prevention switching on earth wire warning device of the utility model, the circuit part of state of ground wire signal picker comprises microprocessor (D
1), the state of ground wire detector, reset and clock circuit, low voltage power line carrier transport module (N
1) and power circuit, microprocessor is the core in the state of ground wire signal picker circuit; Power circuit is used for providing the working power of state of ground wire signal picker each several part, in the power circuit by transformer (T
1), rectifier (E
1, E
2), pressurizer (N
2, N
3), diode (V
3), electric capacity (C
3～C
10), resistance (R
7～R
11) and gear selecting switch (K) connect to form; State of ground wire detector and microprocessor (D
1) and the power circuit connection, the state of ground wire detector is by sensitive switch (S
1～S
24), wiring interface (X
1～X
4), pull-up resistor (R
1～R
3) corresponding serial connection formation; Low voltage power line carrier transport module (N
1) and microprocessor (D
1) be connected, reset and the clock circuit by reset circuit module (D
2), reset key (S
25), resistance (R
5, R
6), triode (V
1), light-emitting diode (V
2), electric capacity (C
1, C
2), crystal oscillator (B
1) be connected to form reseting module (D
2) by relevant connection line and microprocessor (D
1), low voltage power line carrier transport module (N
1) and the connection of state of ground wire detector.
The control circuit of the controller in the designed prevention switching on earth wire warning device of the utility model is by single-chip microcomputer (D
4), power circuit, carrier transmission module (N
13), reset and clock circuit, display driver circuit constitute single-chip microcomputer (D
4) be the core that receives processing signals in the controller; Power circuit is by transformer (T
1), rectifier (E
21, E
22), pressurizer (N
22, N
23, N
24), diode (V
26), electric capacity (C
23～C
30), resistance (R
27～R
31) and gear selecting switch (K
2) connect to form, power circuit provides controller each several part working power; Carrier module (the N that is used for received signal
13) and single-chip microcomputer (D
4) connect; Reset and the clock circuit by reset circuit module (D
3), light-emitting diode (V
22), triode (V
23), resistance (R
21, R
22), reset key (K
3), electric capacity (C
21, C
22, C
31) and crystal oscillator (B
2) be connected to form, reset and the clock circuit respectively with carrier transmission module (N
13), single-chip microcomputer (D
4) and drive the display circuit connection, to cooperate single-chip microcomputer (D
4) receive and processing signals; Display driver circuit is by chip for driving (G
3～G
8), resistance (R
23, R
24, R
26) and interface (X
22, X
23) be connected to form interface (X
22, X
23) be used for being connected with the state of ground wire indicating device.
Be convenient and observe, in the designed prevention switching on earth wire warning device of the utility model alarm window is installed also.
Be to strengthen the warning effect, in the designed prevention switching on earth wire warning device of the utility model voice prompting device is installed also.
Be to guarantee the stability that signal transmits, in the designed prevention switching on earth wire warning device of the utility model line coupler is installed also, line coupler is connected with controller.
Also have voice control circuit in the control circuit of the controller of the designed prevention switching on earth wire warning device of the utility model, voice control circuit comprises speech chip (D
9), power amplifier (N
26), electric capacity (C
33) and loud speaker (B
20) connect and compose voice control circuit and single-chip microcomputer (D
4) connect.
Also have the alarm window display control circuit in the control circuit of the controller of the prevention switching on earth wire warning device that the utility model is designed, it is by resistance (R
22, R
26, R
32), triode (V
21), light-emitting diode (V
25), diode (V
24) and relay (K
21), socket (X
24) connect to form.
Have the hook more than 2 in the ground coil holder in the designed prevention switching on earth wire warning device of the utility model.
State of ground wire indicating device in the designed prevention switching on earth wire warning device of the utility model is made of light-emitting diode.
The designed prevention switching on earth wire warning device of the utility model is when using, and generally speaking, ground wire all hangs on the hook of ground coil holder, and strictness manages.When needs, when ground wire leaves the ground coil holder temporarily, link up with a suitable transducer, the microprocessor (D in the state of ground wire signal picker in ground coil holder body
1) send an electric potential signal, microprocessor (D
1) receive signal through after being judged as useful signal, the state of this ground line position is encoded and to low voltage power line carrier transport module (N
1) send the position signalling after process is encoded and transmit control signal low-voltage power carrier transport module (N
1) mode with frequency shift keying under the effect of these signals sends to position signalling on the low-voltage power line again.In the state of ground wire signal picker course of work, in the circuit reset and the clock circuit provides and resets and the clock signal, power circuit provides power supply to whole device.And the carrier transmission module (N in the controller in master-control room
13) receive the signal that sends from the ground wire frame end after, single-chip microcomputer (D is given in the output encoder pulse after the detection reduction
4), through single-chip microcomputer (D
4) signal after the processing is sent to corresponding display interface device to drive corresponding state of ground wire indicating device, shows the operating state of ground wire.If be connected with alarm window or voice prompting device in this device, then signal is sent to alarm window display control circuit and voice control circuit simultaneously, makes alarm window show " ground wire does not return " or printed words such as " ground wire are not removed ", and voice are pointed out.
The advantage of the prevention switching on earth wire warning device that the utility model is designed is:
1. strengthen comparatively standard and the management accurately of ground wire patch reduced accident potential;
2. guarantee power grid security, normal operation, reduce unnecessary economic loss.
The designed prevention switching on earth wire warning device of the utility model is mainly used in the electric power system.
Fig. 1 is the structure chart of the ground coil holder in the designed prevention switching on earth wire warning device of the utility model.
Fig. 2 is that the each several part of the designed prevention switching on earth wire warning device of the utility model connects block diagram.
Fig. 3 is the circuit theory diagrams of state of ground wire signal picker among Fig. 1.
Fig. 4 is the circuit theory diagrams of Fig. 2 middle controller.
In conjunction with specific embodiments the structure and the execution mode of the designed prevention switching on earth wire warning device of the utility model is described further with reference to the accompanying drawings below.
Embodiment
Prevention switching on earth wire warning device as shown in Figure 1, 2 mainly is made of ground coil holder 1, controller 2, state of ground wire indicating device 3 and line coupler 4.Ground coil holder 1 as shown in Figure 1, wherein A figure be a front view, B figure is an end view, ground coil holder 1 mainly by frame body 5, link up with 6 and state of ground wire signal picker 7 form, linking up with 6 has six, can hang six groups of ground wires, state of ground wire signal picker 7 is installed on the top of frame body 5.Controller 2 and state of ground wire indicating device 3 are installed in the master-control room of power monitoring, state of ground wire indicating device 3, line coupler 4 and controller 2 connections.Sound prompt device and alarm window also are installed on the controller 2.The circuit theory diagrams of state of ground wire signal picker 3 as shown in Figure 3, its major function is to gather ground wire whether to hang over signal on the hook 6, then this signal is sent on the low-voltage power line.The circuit of state of ground wire signal picker 7 is by microprocessor D
1, the state of ground wire detector, reset and clock circuit, low voltage power line carrier transport module N
1Constitute microprocessor D with power circuit
1Be the core in the state of ground wire signal picker circuit, be used for control and gather and send signal that power circuit is used for providing the working power of state of ground wire signal picker each several part, in the power circuit by transformer T
1, rectifier E
1, E
2, pressurizer N
2, N
3, diode V
3, capacitor C
a～C
10, resistance R
7～R
11And the gear selecting K switch connects to form; State of ground wire detector and microprocessor D
1And the power circuit connection, the state of ground wire detector is by sensitive switch S
1～S
24, wiring interface X
1～X
4, pull-up resistor R
1～R
3Corresponding serial connection constitutes; Low voltage power line carrier transport module N
1With microprocessor D
1Be connected, reset and the clock circuit by reset circuit module D
2, reset key S
25, resistance R
5, R
6, triode V
1, light-emitting diode V
2, capacitor C
1, C
2And crystal oscillator B
1Be connected to form reseting module D
2By relevant connection line and microprocessor D
1, low voltage power line carrier transport module N
1And the state of ground wire detector connects.In the circuit by interface X
6, switch S
26, the insurance F
1And Overvoltage protecting unit R
12Form interface circuit.Hook 6 is the sensitive switch S in the state of ground wire detector
1～S
6When ground wire is more, other a plurality of hooks can be connected in the same state of ground wire signal picker 7, the state of ground wire signal picker can connect 48 hooks at most.
The operation principle of this prevention switching on earth wire warning device is as follows: (1). ground coil holder operation principle: reset circuit D after the energized
2To microprocessor D
1Send reset signal, microprocessor D
1Reset, detect the state of ground wire sensitive switch, and testing result is delivered to microprocessor D
1Interior register is when receiving that the request signal of being sent by controller is to microprocessor D
1To carrier transmission module N
1Send drive signal, carrier transmission module N
1Send signal in the mode of frequency shift keying and to send controller on the low-voltage power line to, make controller receive state of ground wire.(2). the operation principle of controller: single-chip microcomputer D after the energized
4Reset, then by carrier transmission module N
13Send request signal and give the ground coil holder, after receiving the state of ground wire signal that ground coil holder 1 is sent back to, signal is handled, and the chip for driving G of line states indicating device drivingly
3-G
8And pass through R
22Resistance makes triode V
21Conducting makes relay K
21Power supply makes alarm window and state of ground wire indicating device send alarm signal to alarm window in adhesive, and drives audio alert chip D
9Send light signal to the control room operator on duty and give and voice alarm signal, to point out the operating state of interim ground wire.(3). state of ground wire indicating device 3, by connecting interface X
22, X
23Be connected with controller 2.It is made up of a plurality of large diameter dichromatic LEDs, and the position of each pipe is corresponding one by one with hook 6 on the ground coil holder, and light-emitting diode corresponding with it when ground wire puts into operation will be lighted, and indicates this group ground wire to move.(4). line coupler 4: since in this device communicating by letter between coil holder 1 and the controller 2 undertaken by low-voltage power line, if ground coil holder 1 may cause when not receiving on the same phase line with the power supply of controller 2 signal of communication decay ambassador system cisco unity malfunction, so on the three-phase power line of controller 2 front ends, install a line coupler 4 additional, import into again in the controller 2 after signal via line coupler 4 transmission on the low-voltage power line, to guarantee the unimpeded of communication and accurately to judge.(5). alarm window: the purposes of the alarm window in this device is to be used for operator on duty to master-control room to indicate the operating state of interim ground wire.Alarm window is by socket X
24Be connected with controller 2.When on the local coil holder a certain group or several groups of ground wires put into operation, be installed on the alarm window drive circuit works in the controller 2, output drive signal, alarm window will be lighted, show " ground wire is not removed " or " ground wire does not return " printed words, light extinguishes behind the whole returns of all ground wires.
By above-mentioned when finding out that this prevention switching on earth wire warning device is mainly used in electric power system maintenance or handling failure; at the interim ground wire group that on converting equipment district power failure equipments, is articulated, by the safety of orderly management such as monitoring, warning, demonstration with protection staff and equipment.Temporary ground wire is electric power system maintainer's a lifeline, and the importance in the power system operation maintenance process is well imagined.Controller 2 in this device and ground coil holder 1 be on the basis of not destroying former ground wire group, adopt the low voltage power line carrier transmission means the state of ground wire signal of sending here from ground coil holder 1 drivingly line states indicating device 3 and alarm window and phonetic alarm device send the alarm signal of visible audible to the operator on duty, to point out the state of interim ground wire equipment.This controller 2 is installed in the top of master-control room signal imitation screen usually, link to each other with state of ground wire indicating device 3 and alarm window by signal cable, in interim ground wire operating period, the mode of operation of ground wire is under the supervision of controller 2 all the time, has only the alarm signal of this ground wire group when ground wire management frame is removed and put into fully to interim ground wire fully just can remove.Therefore can prevent the ground wire misoperation fault that the carelessness owing to the staff causes fully.For the master-control room operator on duty, signal can also be connected on the imitation screen by controller 2 and imitation screen and show, judge that by the state of ground wire signal that imitation screen shows the scene has or not interim ground wire in operation, thereby to reach the safety that the generation that prevents the switching on earth wire accident guarantees operation of power networks.
Claims (10)
1. one kind is prevented the switching on earth wire warning device, it is characterized in that: mainly constitute by ground coil holder, controller and state of ground wire indicating device, ground line traffic control frame is made up of frame body, hook and state of ground wire signal picker, the state of ground wire signal picker is positioned at the frame body, hook is positioned at frame body surface, it is linked up with an end and is connected with the state of ground wire signal picker, and the other end is used to put ground wire; Controller and state of ground wire indicating device are installed in the master-control room, and the state of ground wire indicating device is connected with controller.
2. prevention switching on earth wire warning device according to claim 1, its feature also is: the circuit part of state of ground wire signal picker comprises microprocessor (D
1), the state of ground wire detector, reset and clock circuit, low voltage power line carrier transport module (N
1) and power circuit, microprocessor is the core in the state of ground wire signal picker circuit; Power circuit is used for providing the working power of state of ground wire signal picker each several part, in the power circuit by transformer (T
1), rectifier (E
1, E
2), pressurizer (N
2, N
3), diode (V
3), electric capacity (C
3～C
10), resistance (R
7～R
11) and gear selecting switch (K) connect to form; State of ground wire detector and microprocessor (D
1) and the power circuit connection, the state of ground wire detector is by sensitive switch (S
1～S
24), wiring interface (X
1～X
4), pull-up resistor (R
1～R
3) corresponding serial connection formation; Low voltage power line carrier transport module (N
1) and microprocessor (D
1) be connected, reset and the clock circuit by reset circuit module (D
2), reset key (S
25), resistance (R
5, R
6), triode (V
1), light-emitting diode (V
2), electric capacity (C
1, C
2), crystal oscillator (B
1) be connected to form reseting module (D
2) by relevant connection line and microprocessor (D
1), low voltage power line carrier transport module (N
1) and the connection of state of ground wire detector.
3. prevention switching on earth wire warning device according to claim 1, its feature also is: the control circuit of controller is by single-chip microcomputer (D
4), power circuit, carrier transmission module (N
13), reset and clock circuit, display driver circuit constitute single-chip microcomputer (D
4) be the core that receives processing signals in the controller; Power circuit is by transformer (T
2), rectifier (E
21, E
22), pressurizer (N
22, N
23, N
24), diode (V
26), electric capacity (C
23～C
30), resistance (R
27～R
31) and gear selecting switch (K
2) connect to form, power circuit provides controller each several part working power; Carrier module (the N that is used for received signal
13) and single-chip microcomputer (D
4) connect; Reset and the clock circuit by reset circuit module (D
3), light-emitting diode (V
22), triode (V
23), resistance (R
21, R
22), reset key (K
3), electric capacity (C
21, C
22, C
31) and crystal oscillator (B
2) be connected to form, reset and the clock circuit respectively with carrier transmission module (N
13), single-chip microcomputer (D
4) and drive the display circuit connection, to cooperate single-chip microcomputer (D
4) receive and processing signals; Display driver circuit is by chip for driving (G
3～G
8), resistance (R
23, R
24, R
25) and interface (X
22, X
23) be connected to form interface (X
22, X
23) be used for being connected with the state of ground wire indicating device.
4. prevention switching on earth wire warning device according to claim 1, its feature also is: alarm window also is installed.
5. prevention switching on earth wire warning device according to claim 1, its feature also is: voice prompting device also is installed.
6. prevention switching on earth wire warning device according to claim 1, its feature also is: line coupler also is installed, and line coupler is connected with controller.
7. prevention switching on earth wire warning device according to claim 1, its feature also is: also have voice control circuit in the control circuit of controller, voice control circuit comprises speech chip (D
9), power amplifier (N
26), electric capacity (C
33) and loud speaker (B
20) connect and compose voice control circuit and single-chip microcomputer (D
4) connect.
8. prevention switching on earth wire warning device according to claim 1, its feature also is: also have the alarm window display control circuit in the control circuit of controller, it is by resistance (R
22, R
26, R
32), triode (V
21), light-emitting diode (V
25), diode (V
24) and relay (K
21), socket (X
24) connect to form.
9. prevention switching on earth wire warning device according to claim 1, its feature also is: have the hook more than 2 in the ground coil holder.
10. prevention switching on earth wire warning device according to claim 1, its feature also is: the state of ground wire indicating device is made of light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00262079 CN2454914Y (en) | 2000-11-17 | 2000-11-17 | Alarming device fior preventing switch-on of ground wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00262079 CN2454914Y (en) | 2000-11-17 | 2000-11-17 | Alarming device fior preventing switch-on of ground wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2454914Y true CN2454914Y (en) | 2001-10-17 |
Family
ID=33617445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00262079 Expired - Fee Related CN2454914Y (en) | 2000-11-17 | 2000-11-17 | Alarming device fior preventing switch-on of ground wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2454914Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713806B (en) * | 2008-10-31 | 2011-12-07 | 鞍钢集团矿业公司 | Ground wire automatic monitoring device |
| CN103001132A (en) * | 2012-12-26 | 2013-03-27 | 新乐市供电公司 | Intelligent grounding wire management device |
| CN107255751A (en) * | 2017-06-22 | 2017-10-17 | 平顶山三和智能科技有限公司 | The anti-switching on earth wire device of intelligence |
| CN107633652A (en) * | 2017-10-30 | 2018-01-26 | 国网上海市电力公司 | A kind of intelligent anti-transformer line combined floodgate alarm special purpose device with ground |
-
2000
- 2000-11-17 CN CN 00262079 patent/CN2454914Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713806B (en) * | 2008-10-31 | 2011-12-07 | 鞍钢集团矿业公司 | Ground wire automatic monitoring device |
| CN103001132A (en) * | 2012-12-26 | 2013-03-27 | 新乐市供电公司 | Intelligent grounding wire management device |
| CN103001132B (en) * | 2012-12-26 | 2015-12-02 | 新乐市供电公司 | Smart grounding wire management device |
| CN107255751A (en) * | 2017-06-22 | 2017-10-17 | 平顶山三和智能科技有限公司 | The anti-switching on earth wire device of intelligence |
| CN107633652A (en) * | 2017-10-30 | 2018-01-26 | 国网上海市电力公司 | A kind of intelligent anti-transformer line combined floodgate alarm special purpose device with ground |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2772098Y (en) | Electric safety monitoring system | |
| CN2454914Y (en) | Alarming device fior preventing switch-on of ground wire | |
| CN105044542A (en) | State automatic detection method of temporary grounding line of electrical equipment | |
| CN103001132A (en) | Intelligent grounding wire management device | |
| CN2773705Y (en) | Antenna connecting line inspector | |
| CN101853558A (en) | Cable burglar alarm wireless monitoring system | |
| CN105652191B (en) | A kind of safety return circuit condition monitoring system | |
| CN218850459U (en) | Transformer substation protection hard pressing plate state monitoring device | |
| CN201068375Y (en) | Crane winding drum steel cable overlap-proof alarming and braking circuit | |
| CN2454781Y (en) | Temporary ground-wire management device | |
| CN210804722U (en) | Network and site synchronous alarm device for traffic accidents | |
| CN209948519U (en) | Ring main unit prevents taking earthing combined floodgate protection device | |
| CN2411607Y (en) | Anti-misoperating warner for high-voltage switch cubicle handcart | |
| CN202305626U (en) | Intelligent automatic management system for preventing stealing electricity | |
| CN111307219A (en) | Grounding circulation on-line monitoring system with active anti-theft and high-speed wireless transmission | |
| CN2706888Y (en) | Intelligent speech alarm short circuit grounding wire | |
| CN212058876U (en) | Grounding circulation on-line monitoring system with active anti-theft and high-speed wireless transmission | |
| CN2543072Y (en) | Wire breakage monitor | |
| CN214674541U (en) | Real-time monitoring system for grounding wire of transformer substation | |
| CN217766764U (en) | Direct-current insulation descending analysis and confirmation instrument | |
| CN220627178U (en) | 32-channel leakage electric fire monitoring device for wireless communication | |
| CN209786875U (en) | Wireless acquisition and isolation system for ground wire hanging and dismounting state | |
| CN210516523U (en) | Ring main unit misoperation prevention sound and light alarm device | |
| CN204304609U (en) | The real-time monitoring cabinet of a kind of ground wire | |
| CN216311041U (en) | Novel electric fire monitored control system's of intelligence dimension guarantor detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |