CN202141763U - Pulse detection and digital state output indicating device and system - Google Patents
Pulse detection and digital state output indicating device and system Download PDFInfo
- Publication number
- CN202141763U CN202141763U CN201120150384U CN201120150384U CN202141763U CN 202141763 U CN202141763 U CN 202141763U CN 201120150384 U CN201120150384 U CN 201120150384U CN 201120150384 U CN201120150384 U CN 201120150384U CN 202141763 U CN202141763 U CN 202141763U
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- relay
- switch
- pulse detection
- state output
- utility
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Abstract
The utility model is suitable for electrical field, the utility model provides a pulse detection and digital state output indicating device and a system, the device comprises a relay L1 and a relay L2, wherein disconnecting links of the first switch and the second switch of the relay L1 are closed to a normally open contact; disconnecting links of the first switch and the second switch of the relay L2 are closed to a normally open contact; and the brake point of the first switch of the relay L2 is connected with L end of the coil of the relay L1. The technical solution provided in the utility model has advantages of being small in volume, light in weight, low in cost and not limited in circuit disconnection times.
Description
Technical field
The utility model belongs to power domain, relates in particular to a kind of pulse detection and digital state output indicating device and system.
Background technology
In the Distribution Automation Technology field of existing power industry, in the distribution power automation terminal test process, after the remote control of the distribution terminal output, the output signal demand is given switches such as isolating switch, on-load switch; By the switching state output amount, quantity of state is connected to distribution terminal again, obtains state (dividing/close) by distribution terminal;
Prior art is exported indicating device with isolating switch, on-load switch as pulse detection and digital state, and the volume of isolating switch and on-load switch is big, and weight is big, and cost is high, and the open and close times of a switch is also limited.
The utility model content
The purpose of the utility model is to provide a kind of pulse detection and digital state output indicating device; It is big as the volume that the pulse detection indicating device is occurred with isolating switch, on-load switch to be intended to solve prior art; Weight is big, and cost is high, and the limited problem of the open and close times of a switch.
The utility model is achieved in that a kind of pulse detection and digital state output indicating device, and said device comprises: relay L1 and relay L2;
Wherein, the disconnecting link of first switch of relay L1 and second switch is closed into normal battle; First switch of relay L2 and the disconnecting link of second switch are closed into normal battle; The lock point of relay L2 first switch is connected with the L end of relay L1 coil.
Optional, said relay L1, said relay L2 are 2C type relay.
The utility model also provides a kind of pulse detection and digital state output indication mechanism, and said system comprises: above-mentioned pulse detection and digital state output indicating device, and distribution automatic terminal DTU;
Wherein, The normally closed point of first switch of relay L1 is connected with 1 contact of the terminal combined floodgate passive bus of DTU; The lock point of first switch is connected with 2 contacts of terminal combined floodgate passive bus; The lock point of the second switch of relay L1 is connected with the remote signalling power supply, and the normally closed point of relay L1 second switch is connected with the combined floodgate pilot lamp, and the N end of relay L1 coil is connected with the relay power negative pole;
The second switch lock point of the relay L2 of said apparatus is connected with the remote signalling power supply; The normally closed point of second switch is connected with the separating brake pilot lamp; The first breaker point of relay L2 is connected with terminal combined floodgate passive bus 2 contacts; The L end of relay L2 coil is connected with 2 contacts of terminal separating brake passive bus, and the N end is connected with the relay power negative pole.
The utility model compared with prior art; Beneficial effect is: owing to adopt the mode of two relay assemblies to realize the pulse detection indicating device in the technical scheme of the utility model; And relay is much smaller with respect to the volume of isolating switch and on-load switch, and weight is also very light, and cost is also lower; And relay can repeatedly cut-off, so what restriction it does not have to open and close times yet.
Description of drawings
The structural drawing of pulse detection that Fig. 1 provides for the utility model and digital state output indicating device;
The structural drawing of pulse detection that Fig. 2 provides for the utility model and digital device output indication mechanism.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides a kind of pulse detection and digital state output indicating device, and the structure of this device is as shown in Figure 1, comprising: relay L1101 and relay L2102;
Wherein, the disconnecting link of first switch of relay L1101 and second switch is closed into normal battle; First switch of relay L2102 and the disconnecting link of second switch are closed into normal battle; The lock point of relay L2102 first switch is connected with the L end of relay L1101 coil.
Need to prove that above-mentioned relay L1, relay L2 all can be 2C type relay.
The principle of work of the device that provides through the utility model is below explained the technique effect of the utility model.
1, detects input pulse
When there is the pulse input outside, form the loop, after relay coil is checked through pulse, produce magnetic field through relay coil.
2, relay divide-shut brake action
After relay coil detects separating brake or closing pulse, produce magnetic field, relay contact produces separating brake or feed motion by moving normally closed point normal battle.
3, output status signal, and state indication
Relay coil detects separating brake or closing pulse, and relay contact is by moving normally closed point normal battle, and the remote signalling power connection drives external status indicator lamp or output status signal and gives pick-up unit.
Through above-mentioned explanation; The device that this practicality provides can substitute isolating switch and on-load switch fully and accomplish pulse detection and digital state output indication because the cost of relay is low, volume is little, in light weight, to have a volume little so adopt relay to accomplish pulse detection and digital state output indication; In light weight; The advantage that cost is low, and relay has no restriction to the number of times that cut-offs, so the technical scheme that the utility model provides also has the unrestricted advantage of open and close times.
The utility model also provides a kind of pulse detection and digital state output indication mechanism, and the structure of this system is as shown in Figure 2, comprising: above-mentioned pulse detection and digital state output indicating device and distribution automatic terminal DTU201;
Wherein, The normally closed point of first switch of the relay L1 of said apparatus is connected with 1 contact of the terminal combined floodgate passive bus of DTU201; The lock point of first switch is connected with 2 contacts of terminal combined floodgate passive bus; The lock point of the second switch of relay L1 is connected with the remote signalling power supply, and the normally closed point of relay L1 second switch is connected with the combined floodgate pilot lamp, and the N end of relay L1 coil is connected with the relay power negative pole;
The second switch lock point of the relay L2 of said apparatus is connected with the remote signalling power supply; The normally closed point of second switch is connected with the separating brake pilot lamp; The first breaker point of relay L2 is connected with terminal combined floodgate passive bus 2 contacts; The L end of relay L2 coil is connected with 2 contacts of terminal separating brake passive bus, and the N end is connected with the relay power negative pole.
The principle of work of the system that provides through the utility model is below explained the technique effect of the utility model.
Simulation is closed a floodgate and "on" position detects:
Distribution terminal is carried out the order of closing a floodgate, and after closing coil received closing pulse, terminal combined floodgate passive bus was closed, and electric current is through the normal battle of first switch of relay L2, and relay L1 coil forms the loop.First switch of relay L1 and second switch be by moving normally closed point normal battle, the first circuit breaker lock terminal combined floodgate passive bus of relay L1 like this, the distribution terminal closing pulse duration later "on" position will keep.The "on" position of the second switch of relay L1 output simultaneously.
Simulation separating brake and gate-dividing state detect:
Distribution terminal is carried out the separating brake order, and after switching winding received the separating brake pulse, terminal separating brake passive bus was closed; Electric current is through relay L2 coil; Form the loop, first switch of relay L2 and second switch are by moving normally closed point normal battle, and first switch of relay L2 cuts off closing circuit like this; Realize separating brake, the gate-dividing state of the second switch of relay L2 output simultaneously.
Through above-mentioned explanation; Device in the system that this practicality provides can substitute isolating switch and on-load switch fully and accomplish pulse detection and digital state output indication because the cost of relay is low, volume is little, in light weight, to have a volume little so adopt relay to accomplish pulse detection and digital state output indication; In light weight; The advantage that cost is low, and relay has no restriction to the number of times that cut-offs, so the technical scheme that the utility model provides also has the unrestricted advantage of open and close times.
In sum, the technical scheme that the utility model provides has that volume is little, in light weight, and cost is low, the unrestricted advantage of open and close times.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (3)
1. pulse detection and digital state output indicating device is characterized in that said device comprises: relay L1 and relay L2;
Wherein, the disconnecting link of first switch of relay L1 and second switch is closed into normal battle; First switch of relay L2 and the disconnecting link of second switch are closed into normal battle; The lock point of relay L2 first switch is connected with the L end of relay L1 coil.
2. device according to claim 1 is characterized in that, said relay L1, said relay L2 are 2C type relay.
3. pulse detection and digital state output indication mechanism is characterized in that said system comprises: pulse detection according to claim 1 or claim 2 and digital state output indicating device, and distribution automatic terminal DTU;
Wherein, The normally closed point of first switch of relay L1 is connected with 1 contact of the terminal combined floodgate passive bus of DTU; The lock point of first switch is connected with 2 contacts of terminal combined floodgate passive bus; The lock point of the second switch of relay L1 is connected with the remote signalling power supply, and the normally closed point of relay L1 second switch is connected with the combined floodgate pilot lamp, and the N end of relay L1 coil is connected with the relay power negative pole;
The second switch lock point of the relay L2 of said apparatus is connected with the remote signalling power supply; The normally closed point of second switch is connected with the separating brake pilot lamp; The first breaker point of relay L2 is connected with terminal combined floodgate passive bus 2 contacts; The L end of relay L2 coil is connected with 2 contacts of terminal separating brake passive bus, and the N end is connected with the relay power negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120150384U CN202141763U (en) | 2011-05-12 | 2011-05-12 | Pulse detection and digital state output indicating device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120150384U CN202141763U (en) | 2011-05-12 | 2011-05-12 | Pulse detection and digital state output indicating device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202141763U true CN202141763U (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120150384U Expired - Fee Related CN202141763U (en) | 2011-05-12 | 2011-05-12 | Pulse detection and digital state output indicating device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202141763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929287A (en) * | 2016-07-01 | 2016-09-07 | 国网浙江省电力公司杭州供电公司 | DTU test simulator and DTU test system |
-
2011
- 2011-05-12 CN CN201120150384U patent/CN202141763U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929287A (en) * | 2016-07-01 | 2016-09-07 | 国网浙江省电力公司杭州供电公司 | DTU test simulator and DTU test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20200512 |