CN206740932U - A kind of detecting system for switching malfunction - Google Patents
A kind of detecting system for switching malfunction Download PDFInfo
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- CN206740932U CN206740932U CN201720592848.7U CN201720592848U CN206740932U CN 206740932 U CN206740932 U CN 206740932U CN 201720592848 U CN201720592848 U CN 201720592848U CN 206740932 U CN206740932 U CN 206740932U
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- Prior art keywords
- switch
- detecting system
- power supply
- slowdown monitoring
- relay
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- 230000007257 malfunction Effects 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 50
- 238000002955 isolation Methods 0.000 claims description 25
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 17
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 7
- 238000007689 inspection Methods 0.000 description 6
- 238000011897 real-time detection Methods 0.000 description 5
- 239000004821 Contact adhesive Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000001131 transforming effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
A kind of detecting system for switching malfunction is the utility model is related to, including：First relay, mode selector switch, acoustic-optic alarm, tested slowdown monitoring switch and power supply；Power supply, tested slowdown monitoring switch harmony light alarm device are sequentially connected in series；The normally opened contact of first relay and detected switch in parallel；It is in parallel with acoustic-optic alarm after wire loop and the mode selector switch series connection of first relay.The utility model passes through two kinds of alarm modes, solve the problems, such as high and low temperature in the detection process such as transformer station, power equipment and the malfunction of forceful electric power magnetic environment lower switch state catches hardly possible, personal safety can not ensure, and in the case of unattended, being capable of reflecting testing result quicklook.
Description
Technical field
On off state monitoring technical field is the utility model is related to, more particularly to a kind of detection system for switching malfunction
System.
Background technology
In recent years, as the development of T ＆ D Technology and the prevalence of energy-efficient theory, power transmission and transformation voltage class are more next
Higher, the temperature and electromagnetic environment residing for power transmission and transforming equipment and its auxiliary equipment are more and more severe, in order to ensure that power transmission and transformation are set
Standby reliability, the temperature harsher than practical application can be typically simulated when carrying out detection experiment to power transmission and transforming equipment
And electromagnetic environment, the change whether on off state of the test power equipment under high/low temperature and forceful electric power magnetic environment makes a mistake.
The degree that the status monitoring auxiliary equipment of early stage relies on personnel control is too high, during use personal safety can not be protected, monitor
Equipment itself working environment can not also meet to require.
Utility model content
The utility model provides a kind of detecting system for switching malfunction, solves the detection such as transformer station, power equipment
During high and low temperature and the malfunction of forceful electric power magnetic environment lower switch state catch the problem of difficult, personal safety can not ensure, and in nothing
, being capable of reflecting testing result quicklook in the case that people is on duty.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of detecting system for switching malfunction, bag
Include：First relay, mode selector switch, acoustic-optic alarm, tested slowdown monitoring switch and power supply；
The power supply, the tested slowdown monitoring switch and the acoustic-optic alarm are sequentially connected in series；
The normally opened contact of first relay and the detected switch in parallel；
After the wire loop of first relay and mode selector switch series connection, with the acoustic-optic alarm simultaneously
Connection.
The beneficial effects of the invention are as follows：The utility model has two kinds of detection patterns, that is, triggers holding pattern and in real time inspection
Survey pattern.The switching of triggering holding pattern and real-time detection pattern is realized by the first relay and mode selector switch.Its
In, trigger holding pattern：As long as the on and off action of monitored switch changes, sound and light alarm will be triggered, afterwards acousto-optic
Alarm condition is always maintained at；Real-time mode：When the on and off action of monitored switch changes, sound and light alarm is triggered, is supervised
Sound and light alarm releases after slowdown monitoring switch recovery state.When preset mode switches switch closure, triggering holding pattern is opened, and manually will
When mode selector switch disconnects, it is real-time mode that triggering, which keeps pattern switching,.On the one hand, the utility model is realized in unmanned value
In the case of keeping, switch motion is accurately and efficiently detected, and testing result is informed into staff by sound and light alarm,
Solve high and low temperature and the malfunction of forceful electric power magnetic environment lower switch state in the detection process such as transformer station, power equipment and catch difficult, people
The problem of body can not ensure safely, on the other hand, different alarm modes is selected according to being actually needed, it is convenient and practical.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the system also includes voltage isolation element；
The tested slowdown monitoring switch is connected by the voltage isolation element with the power supply and the acoustic-optic alarm；
The normally opened contact passes through the voltage isolation element and the detected switch in parallel.
It is of the present utility model further beneficial effect be：When tested slowdown monitoring switch is wet contact, because of tested slowdown monitoring switch and outside
The connection of portion power supply, and if external power source and the voltage type of the detecting system (for example external power source is alternating voltage, the detection
System is DC voltage) (for example the voltage that external power source is 220V, the detecting system are 9V voltage) different with voltage class,
Then when tested slowdown monitoring switch is connected directly between the detecting system, detecting system excessive pressure damages can be caused.Therefore, in the detection system
A voltage isolation element is added, will be transmitted from the malfunction signal of tested slowdown monitoring switch by voltage isolation element to detecting system
When, its voltage type and voltage class are identical with detecting system, protect detecting system so that the detecting system scope of application is more
Extensively.
Further, the voltage isolation element is the second relay or photoelectrical coupler.
Further, the system also includes the first diode；
First diode is in parallel with the wire loop.
Further, the power supply is 9V lithium battery.
It is of the present utility model further beneficial effect be：On the one hand, lithium battery energy density is big, small volume, and long lifespan；
On the other hand, 9V voltages are relatively common, and convenient material drawing is practical.
Further, the acoustic-optic alarm includes the alarm lamp and buzzer being serially connected.
Further, the power supply external power adapter.
It is of the present utility model further beneficial effect be：Detecting system can carry out detection work by charging, can also pass through
The electric energy of lithium battery memory storage directly carries out detection work.
Brief description of the drawings
Fig. 1 is a kind of schematic circuit of the detecting system for switch malfunction that the utility model embodiment one provides；
Fig. 2 is a kind of schematic circuit of the detecting system for switch malfunction that the utility model embodiment two provides；
Fig. 3 is a kind of schematic circuit of the detecting system for switch malfunction that the utility model embodiment three provides.
In accompanying drawing, the element representated by each label is listed as follows：
1st, the first relay, the 11, first normally opened contact, 12, first coil loop, 2, mode selector switch, 3, acousto-optic report
Alarm device, 31, alarm lamp, 32, buzzer, 4, tested slowdown monitoring switch, 5, power supply, 6, voltage isolation element, the 7, the 1st pole
Pipe, the 8, second relay, the 81, second normally opened contact, the 82, second wire loop, the 9, second diode.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
Embodiment one
As shown in figure 1, a kind of detecting system for switching malfunction, including：First relay 1, mode selector switch 2, sound
Light alarm device 3, tested slowdown monitoring switch 4 and power supply 5.Wherein,
Power supply 5, tested slowdown monitoring switch 4 and acoustic-optic alarm 3 are sequentially connected in series, and the normally opened contact 11 of the first relay is with being detected
Slowdown monitoring switch 4 is in parallel, in parallel with acoustic-optic alarm 3 after wire loop 12 and mode selector switch 2 series connection of the first relay.
Wherein, the normally opened contact 11 of the first relay is the first normally opened contact 11, and the wire loop 12 of the first relay is
First coil loop 12.It should be noted that mode selector switch can be common power switch or single-pole double-throw switch (SPDT).
When mode selector switch disconnects, the detecting system is in real-time detection pattern.Power supply, tested slowdown monitoring switch harmony light
Warning device forms loop, and when tested slowdown monitoring switch closes, acoustic-optic alarm connects with power supply, therefore sound and light alarm occurs；When
It is detected when switching off, acoustic-optic alarm disconnects with power supply, therefore sound and light alarm releases, therefore staff can pass through acousto-optic
Alarm decision is detected the on and off of slowdown monitoring switch.
When mode selector switch closes, the detecting system is in triggering holding pattern.On the one hand, power supply, be detected open
Close and acoustic-optic alarm forms loop, when tested slowdown monitoring switch closes, acoustic-optic alarm connects with power supply, therefore acousto-optic occurs
Alarm；On the other hand, when mode selector switch closes, the first coil loop in parallel with acoustic-optic alarm is powered, and causes
With the first normally opened contact adhesive of detected switch in parallel, and then the first normally opened contact is powered, and therefore, breaks when tested slowdown monitoring switch
When opening, although the branch road no power of tested slowdown monitoring switch, the branch road where the first normally opened contact is powered, therefore electric current can flow to acousto-optic
Branch road where warning device, even if causing tested slowdown monitoring switch, again there occurs one-off (disconnection), acoustic-optic alarm is still
Persistently alarm.
When mode selector switch disconnects, because of the branch road no power where first coil loop, therefore when tested slowdown monitoring switch breaks
When opening, because wire loop no current is by disconnecting, therefore sound and light alarm also stops the first normally opened contact, therefore, detecting system
Switch to real-time detection pattern.
As the development of T ＆ D Technology and the prevalence of energy-efficient theory, power transmission and transformation voltage class more and more higher are defeated
Temperature and electromagnetic environment residing for transformer and its auxiliary equipment is more and more severe, in order to ensure the reliable of power transmission and transforming equipment
Property, it can typically simulate the temperature and electromagnetism ring harsher than practical application when carrying out detection experiment to power transmission and transforming equipment
Border, the change whether on off state of the test power equipment under high/low temperature and forceful electric power magnetic environment makes a mistake.
The detecting system is used to be detected the situation that slowdown monitoring switch is dry contact, that is, be detected switch external and connectionless power supply or
The voltage type and voltage class identical situation of the voltage type and voltage class of power supply and the power supply of this detecting system.
Wherein, dry contact is a kind of electric switch, has 2 states of closed and disconnected.Do not have between two contacts of dry contact
Polarity, it can exchange, dry contact is not an electronic component, and it is 2 contacts of electromagnetic type relay.
Embodiment two
As shown in Fig. 2 a kind of detecting system for switching malfunction, including：First relay 1, mode selector switch 2, sound
Light alarm device 3, tested slowdown monitoring switch 4, power supply 5, the diode 7 of voltage isolation element 6 and first.
Tested slowdown monitoring switch 4 is connected by voltage isolation element 6 with power supply 5 and acoustic-optic alarm 3；First normally opened contact 11
It is in parallel with tested slowdown monitoring switch 4 by voltage isolation element 6.That is, tested slowdown monitoring switch and the primary (input) of voltage isolation element
Connection, power supply, the secondary (output end) of voltage isolation element, acoustic-optic alarm are sequentially connected in series, equivalent to tested slowdown monitoring switch leads to
Overvoltage isolation element is connected with power supply and acoustic-optic alarm indirectly.
When tested slowdown monitoring switch is wet contact, because tested slowdown monitoring switch be connected with external power source, and if external power source and this
The voltage type (for example external power source is alternating voltage, and the detecting system is DC voltage) of detecting system is different with voltage class
(for example the voltage that external power source is 220V, the detecting system are 9V voltage), then when tested slowdown monitoring switch is connected directly between the inspection
During examining system, detecting system excessive pressure damages can be caused.Therefore, a voltage isolation element is added in the detection system, will be from quilt
When the malfunction signal of detection switch is transmitted to detecting system by voltage isolation element, its voltage type and voltage class and inspection
Examining system it is identical, protect detecting system so that the detecting system scope of application is more extensive.
It should be noted that the primary and secondary of voltage isolation element is not electrically connected directly, generally rely on
Light, electric or magnetic transmit electric signal, to play a part of electric isolution.Wherein, voltage isolation element can be relay or light
Electric coupler.
Embodiment three
As shown in figure 3, a kind of detecting system for switching malfunction, including：First relay 1, mode selector switch 2, sound
Light alarm device 3, tested slowdown monitoring switch 4, power supply 5, the second relay 8, the first diode 7 and the second diode 9.Wherein,
Tested slowdown monitoring switch 4 is connected with the wire loop 82 (the second wire loop 82) of the second relay, power supply 5, second after
The normally opened contact 81 (the second normally opened contact 81) and acoustic-optic alarm 3 of electrical equipment are sequentially connected in series, the normally opened contact of the first relay
11 (the first normally opened contacts 11) and the second normally opened contact 81 are in parallel, the wire loop 12 (first coil loop 12) of the first relay
After being connected with mode selector switch 2, in parallel with acoustic-optic alarm 3, the first diode 7 is in parallel with first coil loop 12.Separately
Outside, acoustic-optic alarm 3 includes the alarm lamp 31 and buzzer 32 being serially connected.
Power supply can external power adapter, detecting system can by charging carry out detection work, also can be by lithium battery
The electric energy of storage directly carries out detection work.
It should be noted that above-mentioned second relay is voltage isolation element.First diode plays unhurried current effect, when
Mode selector switch disconnect when, by the first relay wire loop electric current by first diode in wire loop
Flow back and gradually weaken, protect electronic component.Second diode is also to play a part of unhurried current, and reason is the same as the one or two pole
Pipe, will not be repeated here.
Above-mentioned power supply is 9V lithium battery.On the one hand, lithium battery energy density is big, small volume, and long lifespan；The opposing party
Face, 9V voltages are relatively common, and convenient material drawing is practical.
When mode selector switch disconnects, the detecting system is in real-time detection pattern.Power supply, the second normally opened contact harmony
Light alarm device forms loop, and tested slowdown monitoring switch, the second wire loop and the second normally opened contact form loop, are opened when being detected
When closing conjunction, the second wire loop is connected and is powered with external power source, now the second normally opened contact adhesive, therefore acoustic-optic alarm
Connected with power supply, and sound and light alarm occurs；When detected switch off, the second wire loop disconnects with external power source, now
Second normally opened contact disconnects, therefore acoustic-optic alarm disconnects with power supply, and sound and light alarm releases, therefore staff can pass through sound
Light alarm judges the on and off of tested slowdown monitoring switch.
When mode selector switch closes, the detecting system is in triggering holding pattern.On the one hand, power supply, second normally opened
Contact and acoustic-optic alarm form loop, and tested slowdown monitoring switch, the second wire loop and the second normally opened contact form loop, when
During tested slowdown monitoring switch closure, the second wire loop is connected and is powered with external power source, now the second normally opened contact adhesive, therefore acousto-optic
Warning device connects with power supply, and sound and light alarm occurs；On the other hand, when mode selector switch closes, filled with sound and light alarm
The first coil loop for putting parallel connection is powered, and causes the first normally opened contact adhesive in parallel with the second normally opened contact, and then first is normal
Contact energization is opened, therefore, when when detected switch off, although the branch road no power where the second normally opened contact, first
Branch road where normally opened contact is powered, therefore electric current can flow to the branch road where acoustic-optic alarm, even if causing tested slowdown monitoring switch
There occurs one-off (disconnection), acoustic-optic alarm is still persistently alarmed.
When mode selector switch disconnects, because of the branch road no power where first coil loop, therefore when tested slowdown monitoring switch breaks
When opening, the second normally opened contact disconnects, and because wire loop no current is by disconnecting, therefore sound and light alarm also stops the first normally opened contact
Only, therefore, detecting system switches to real-time detection pattern.
The detecting system is used to be detected the situation that slowdown monitoring switch is wet contact, that is, is detected the electricity of the power supply of switch external connection
The situation that the voltage type and voltage class of pressure type and voltage class and the power supply of this detecting system differ.
When tested slowdown monitoring switch is wet contact, because tested slowdown monitoring switch be connected with external power source, and if external power source and this
The voltage type (for example external power source is alternating voltage, and the detecting system is DC voltage) of detecting system is different with voltage class
(for example the voltage that external power source is 220V, the detecting system are 9V voltage), then when tested slowdown monitoring switch is connected directly between the inspection
During examining system, detecting system excessive pressure damages can be caused.Therefore, a voltage isolation element is added in the detection system, will be from quilt
When the malfunction signal of detection switch is transmitted to detecting system by voltage isolation element, its voltage type and voltage class and inspection
Examining system it is identical, protect detecting system so that the detecting system scope of application is more extensive.Such as the switch of the electric light in parlor,
The switch is connected with 220V power supply, can be excessive because of voltage if the switch is connected directly between in the detecting system, and to inspection
Examining system causes excessive pressure damages, therefore by the second relay, isolation voltage, protects detecting system.
Wherein, wet contact is active switch, has electricity and without electric 2 kinds of states, polarized between 2 contacts, it is impossible to anti-
Connect.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (7)
- A kind of 1. detecting system for switching malfunction, it is characterised in that including：First relay (1), mode selector switch (2), Acoustic-optic alarm (3), tested slowdown monitoring switch (4) and power supply (5)；The power supply (5), the tested slowdown monitoring switch (4) and the acoustic-optic alarm (3) are sequentially connected in series；The normally opened contact (11) of first relay (1) is in parallel with the tested slowdown monitoring switch (4)；After wire loop (12) and the mode selector switch (2) series connection of first relay (1), with the sound and light alarm Device (3) is in parallel.
- 2. a kind of detecting system for switching malfunction according to claim 1, it is characterised in that the system also includes electricity Press isolation element (6)；The tested slowdown monitoring switch (4) passes through the voltage isolation element (6) and the power supply (5) and the acoustic-optic alarm (3) connect；The normally opened contact (11) is in parallel with the tested slowdown monitoring switch (4) by the voltage isolation element (6).
- A kind of 3. detecting system for switching malfunction according to claim 2, it is characterised in that the voltage isolation element (6) it is the second relay or photoelectrical coupler.
- A kind of 4. detecting system for switching malfunction according to any one of claims 1 to 3, it is characterised in that the system Also include the first diode (7)；First diode (7) is in parallel with the wire loop (12).
- A kind of 5. detecting system for switching malfunction according to any one of claims 1 to 3, it is characterised in that the power supply (5) lithium battery for being 9V.
- A kind of 6. detecting system for switching malfunction according to any one of claims 1 to 3, it is characterised in that the acousto-optic Warning device (3) includes the alarm lamp (31) and buzzer (32) being serially connected.
- A kind of 7. detecting system for switching malfunction according to any one of claims 1 to 3, it is characterised in that the power supply (5) external power adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592848.7U CN206740932U (en) | 2017-05-25 | 2017-05-25 | A kind of detecting system for switching malfunction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592848.7U CN206740932U (en) | 2017-05-25 | 2017-05-25 | A kind of detecting system for switching malfunction |
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| Publication Number | Publication Date |
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| CN206740932U true CN206740932U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720592848.7U Expired - Fee Related CN206740932U (en) | 2017-05-25 | 2017-05-25 | A kind of detecting system for switching malfunction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111099821A (en) * | 2019-12-30 | 2020-05-05 | 天津富通光纤技术有限公司 | Optical fiber production Japanese wire drawing furnace with automatic alarm function |
-
2017
- 2017-05-25 CN CN201720592848.7U patent/CN206740932U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111099821A (en) * | 2019-12-30 | 2020-05-05 | 天津富通光纤技术有限公司 | Optical fiber production Japanese wire drawing furnace with automatic alarm function |
| CN111099821B (en) * | 2019-12-30 | 2023-09-26 | 天津富通光纤技术有限公司 | Optical fiber production Japanese type wire drawing furnace with automatic alarm function |
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| 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: 20171212 |