CN106505511A - Circuit for automatic time delay conducting after switch trip - Google Patents
Circuit for automatic time delay conducting after switch trip Download PDFInfo
- Publication number
- CN106505511A CN106505511A CN201611249009.1A CN201611249009A CN106505511A CN 106505511 A CN106505511 A CN 106505511A CN 201611249009 A CN201611249009 A CN 201611249009A CN 106505511 A CN106505511 A CN 106505511A
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- 238000001514 detection method Methods 0.000 claims abstract description 46
- 230000009466 transformation Effects 0.000 claims abstract description 25
- 230000003321 amplification Effects 0.000 claims description 19
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- Keying Circuit Devices (AREA)
Abstract
The invention provides for the circuit of automatic time delay conducting after switch trip, comprising separate first input end, the second input, the 3rd input and switching outfan, also comprising first voltage detection module, second voltage detection module, voltage transformation module, multilevel iudge module, drive module, switch link block, supply module and backup circuit breaker；Switching outfan is connected with backend load as the backup circuit breaker outfan for being connected to the 3rd input；First voltage detection module is electrically connected with first input end, and second voltage detection module is electrically connected with the second input, and first voltage detection module is connected with voltage transformation module with the output of second voltage detection module；The input of multilevel iudge module is connected with the outfan of voltage transformation module.The beneficial effects of the present invention is：Automatic time delay conducting after once tripping can be provided to monitored switch.
Description
Technical field
The present invention relates to field of power electronics, and in particular to for the circuit of automatic time delay conducting after switch trip.
Background technology
Some choppers for possessing short-circuit protection function are usually mounted with low-tension distribution box or low-voltage distribution cabinet, and when disconnected
After the device automatic trip of road, whether people are generally possible to be judged due to the excessive impact of backend load power rapidly, and correspondingly take
Corresponding power consumption regulating measures, such as disconnect the electrically connected of high power load equipment or close other unessential load connections
Close, behind the interval of certain time, again by the switch closure of tripping operation, current chopper only possesses independent switch function,
Generally need personnel at distribution box again by the switch closure of tripping operation, be not always able under actual productive life environment
Timely closing by hand, so that bring unnecessary trouble to the productive life of people, it is therefore necessary to design a kind of new electricity
Road is solved.
Content of the invention
Deficiency in the presence of for prior art, the invention provides the electricity for automatic time delay conducting after switch trip
Road, with realize after low tension switch tripping operation can automatic time delay for a period of time and the circuit that turns on again.
For achieving the above object, following technical scheme present invention employs：
For after switch trip automatic time delay conducting circuit, comprising separate first input end, the second input,
3rd input and switching outfan, also comprising first voltage detection module, second voltage detection module, voltage transformation module,
Multilevel iudge module, drive module, switch link block, supply module and backup circuit breaker；The first input end is used for and quilt
The input of pilot switch, the input of backup circuit breaker are connected in parallel, and the second input is used for the outfan with monitored switch
It is connected in parallel, the 3rd input is used for being connected with the outfan of backup circuit breaker, outfan of transferring is used as being connected to the 3rd input
Backup circuit breaker outfan be connected with backend load；The first voltage detection module is electrically connected with first input end, for examining
The voltage of first input end is surveyed, second voltage detection module is electrically connected with the second input, for detecting the electricity of the second input
Pressure, first voltage detection module are connected with voltage transformation module with the output of second voltage detection module, which are correspondingly adjusted
Or mate the voltage or the voltage that can be compared that can be recognized for digital circuit；The input of multilevel iudge module and voltage
The outfan of modular converter is connected, for comparing or judging the corresponding first input end of voltage transformation module output, the second input
The voltage status at end；The output of multilevel iudge module is connected with the input of drive module, and the output of drive module is connected with switch
The triggering end of module is connected, and the on-off action end for switching link block is serially connected between the 3rd input and switching outfan；Institute
State drive module or switch link block includes delay unit, to realize being spaced in the signal output for obtaining multilevel iudge module
The on-off action end action of switch link block is made after a period of time again；The supply module provides voltage transformation module, compares
Judge module, drive module, the required electricity consumption of switch link block.
Further, the first voltage detection module, second voltage detection module respectively comprising current-limiting resistance and with limit
The photodiode pair of leakage resistance series connection, the photodiode is to photodiode that is reverse comprising two head and the tail and connecing.
Further, first via audion amplification module of the voltage transformation module comprising common ground connection and the second tunnel three
Photosensitive three pole of audion in pole pipe amplification module, first via audion amplification module and No. second audion amplification module
Pipe, its only correspondingly receive the light sent by the photodiode in first voltage detection module, second voltage detection module respectively
Line irradiates；The phototriode of first via audion amplification module is only irradiated in the photodiode by first voltage detection module
When turn on；The phototriode of No. second audion amplification module is only irradiated in the photodiode by second voltage detection module
When turn on.
Further, also comprising the hand switch being series between supply module and voltage transformation module, for controlling to supply
Power supply of the electric module to voltage transformation module.
Further, the backup circuit breaker and the switch that monitored switch is same model specification.
Further, the switch link block is the time relay.
Further, the multilevel iudge module includes the one of which in combinational logic circuit or flush bonding processor；
The combinational logic circuit includes XOR circuit, and not circuit, wherein, two inputs of XOR circuit,
Two inputs of and not circuit respectively correspondingly connect voltage interconnecting module outfan；Combinational logic circuit is also comprising volume
Code circuit, the input of coding circuit and the outfan of XOR circuit, the outfan of and not circuit, voltage interconnecting module
Connection end after through hand switch is correspondingly connected.
Further, the supply module includes battery and mu balanced circuit.
The present invention is provided with the backup circuit breaker of monitored switch, and backup circuit breaker is to close a floodgate to connect under normal circumstances, but by
Output in backup circuit breaker needs to power backend load after switches module with switching outfan again, then in switch
In the case of interconnecting module disconnection, backup circuit breaker does not have electric current and passes through；The present invention pass through first voltage detection module, second
Voltage detection module, voltage transformation module, multilevel iudge module are realized judging the "on" position of the switch that is monitored, when sentencing
When disconnected situation meets trip condition, then by multilevel iudge module output signal, and through drive module trigger switch interconnecting module；?
Switches module conducting after time delay for a period of time, backup circuit breaker are powered for backend load by outfan of transferring；Backup circuit breaker
From the switch for the switch same model specification that is monitored, can automatic protection in the case that backend load has problems in order to work as.
Compared to prior art, the present invention has the advantages that：Monitored switch can be provided after once tripping
The function of automatic time delay conducting, it is to avoid because switch or brought trouble of being closed a floodgate again can not be found in time, giving birth to
There is extensive use in production living；Meanwhile, the specification of backup circuit breaker selects to avoid the potential safety hazard that is brought due to power tolerance.
Description of the drawings
Fig. 1 is the logic diagram of circuit of the present invention.
Voltage detection module and voltage transformation module circuit theory schematic diagram of the Fig. 2 for the present embodiment.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment to the present invention in technical scheme further illustrate.
For the circuit of automatic time delay conducting after switch trip, as shown in figure 1, comprising separate first input end
J1, the second input J2, the 3rd input J3 and switching outfan J4, also examine comprising first voltage detection module, second voltage
Survey module, voltage transformation module, multilevel iudge module, drive module, hand switch SD1, switch link block, supply module and
Backup circuit breaker K2；The first input end J1 is used in parallel with the input of the input of monitored switch K1, backup circuit breaker K2
Connection, the second input J2 are used for being connected in parallel with the outfan of monitored switch K1, and the 3rd input J3 is used for opening with standby
The outfan for closing K2 is connected, and the outfan J4 that transfers is born with rear end as the backup circuit breaker K2 outfans for being connected to the 3rd input J3
Carry connection；The first voltage detection module is electrically connected with first input end J1, for detecting the voltage of first input end J1, the
Two voltage detection modules are electrically connected with the second input J2, for detecting that the voltage of the second input J2, first voltage detect mould
Block is connected with voltage transformation module with the output of second voltage detection module, correspondingly to adjust which or mate as digital circuit institute
The voltage that can be recognized or the voltage that can be compared；The outfan phase of the input of multilevel iudge module and voltage transformation module
Connect, for comparing or judging the voltage status of the corresponding first input end J1 of voltage transformation module output, the second input J2；Than
It is connected with the input of drive module compared with the output of judge module, the triggering end phase for exporting and switching link block of drive module
Even, the on-off action end for switching link block is serially connected between the 3rd input J3 and switching outfan J4；The drive module
Or switch link block includes delay unit, to realize after the signal output certain interval of time for obtaining multilevel iudge module
The on-off action end action of switch link block is made again；The supply module includes battery and mu balanced circuit, to provide voltage
Modular converter, multilevel iudge module, drive module, the required electricity consumption of switch link block, and hand switch SD1 is series at power supply
Between module and voltage transformation module, for controlling power supply of the supply module to voltage transformation module, can open, close to monitoring
The voltage detecting identification function of switch, can disconnect in closing by hand, to avoid misoperation；The drive module includes work(
Rate amplifying circuit, this are prior art, will not be described here.
As shown in Fig. 2 the first voltage detection module includes current-limiting resistance R1 and the photoelectricity that connects with current-limiting resistance R1
Diode pair LED1, second voltage detection module include current-limiting resistance R2 and the photodiode pair that connects with current-limiting resistance R2
LED2, as first input end J1 or normal the second input J2 voltages, then photodiode is to LED1, photodiode pair
LED2 is corresponding with power frequency light-emitting, and the phototriode Q1 being correspondingly irradiated in voltage transformation module, Q2；The voltage conversion mould
First via audion amplification module of the block comprising common ground connection and No. second audion amplification module；First via audion amplifies mould
Block includes phototriode Q1, and collector resistance R2, No. second audion amplification module include phototriode Q2, colelctor electrode electricity
Resistance R3, and total radio amplifier connection is, which only correspondingly receives first voltage detection module, second voltage detection module respectively
In photodiode sent light irradiation；The phototriode Q1 of first via audion amplification module is only by the first electricity
The photodiode of pressure detection module is turned on when irradiating to LED1；The phototriode Q2 of No. second audion amplification module only exists
Turn on when being irradiated to LED2 by the photodiode of second voltage detection module, the outfan of first via audion amplification module
T1, the outfan t2 of No. second audion amplification module are connected with multilevel iudge module respectively；When monitored breaker closing
During conducting, outfan t1 is identical with the voltage of outfan t2, after the circuit breaker trip of monitoring, under normal circumstances, due to lacking
The irradiation of LED2, Q2 end so that the voltage of outfan t2 is stable high level output, and the voltage of outfan t1 is low level
Export, therefore multilevel iudge module can select XOR circuit, to connect outfan t1, t2.
Switches of the backup circuit breaker K2 and monitored switch K1 for same model specification, due to possessing same self-shield work(
Can, if load end is implicitly present in such as overload condition, backup circuit breaker and can equally trip, now generally need to examine backend load
It is then turned on switching after looking into.
The switch link block is the time relay, in order to determine the time interval for needing to turn on again, to ensure to pacify
Entirely.
The present invention is provided with the backup circuit breaker of monitored switch, and backup circuit breaker is to close a floodgate to connect under normal circumstances, but by
Output in backup circuit breaker needs to power backend load after switches module with switching outfan again, then in switch
In the case of interconnecting module disconnection, backup circuit breaker does not have electric current and passes through；The present invention pass through first voltage detection module, second
Voltage detection module, voltage transformation module, multilevel iudge module are realized judging the "on" position of the switch that is monitored, when sentencing
When disconnected situation meets trip condition, then by multilevel iudge module output signal, and through drive module trigger switch interconnecting module；?
Switches module conducting after time delay for a period of time, backup circuit breaker are powered for backend load by outfan of transferring；Backup circuit breaker
From the switch for the switch same model specification that is monitored, can automatic protection in the case that backend load has problems in order to work as.
Finally illustrate, above example is only unrestricted in order to technical scheme to be described, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, which all should be covered at this
In the middle of the right of invention.
Claims (8)
1. the circuit that automatic time delay is turned on after being used for switch trip, it is characterised in that：Comprising separate first input end,
Two inputs, the 3rd input and switching outfan, also include first voltage detection module, second voltage detection module, voltage
Modular converter, multilevel iudge module, drive module, switch link block, supply module and backup circuit breaker；The first input end
For being connected in parallel with the input of monitored switch, the input of backup circuit breaker, the second input is used for and monitored switch
Outfan be connected in parallel, the 3rd input is used for being connected with the outfan of backup circuit breaker, and outfan of transferring is used as being connected to the
The backup circuit breaker outfan of three inputs is connected with backend load；The first voltage detection module is electrically connected with first input end
Connect, for detecting that the voltage of first input end, second voltage detection module are electrically connected with the second input, defeated for detection second
Enter the voltage at end, first voltage detection module is connected with voltage transformation module with the output of second voltage detection module, by which
Voltage or the voltage that can be compared that corresponding adjustment or coupling can be recognized for digital circuit；Multilevel iudge module defeated
Enter and be connected with the outfan of voltage transformation module, for compare or judge voltage transformation module output corresponding first input end,
The voltage status of the second input；The output of multilevel iudge module is connected with the input of drive module, the output of drive module with
The triggering end of switch link block is connected, and the on-off action end for switching link block is serially connected in the 3rd input and switching outfan
Between；The drive module or switch link block include delay unit, to realize in the signal for obtaining multilevel iudge module
Output gap makes the on-off action end action of switch link block again after for a period of time；The supply module provides voltage conversion mould
Block, multilevel iudge module, drive module, the required electricity consumption of switch link block.
2. according to claim 1 for after switch trip automatic time delay conducting circuit, it is characterised in that：Described first
Voltage detection module, second voltage detection module include current-limiting resistance and the photodiode pair that connects with current-limiting resistance respectively,
The photodiode is to photodiode that is reverse comprising two head and the tail and connecing.
3. according to claim 2 for after switch trip automatic time delay conducting circuit, it is characterised in that：The voltage
First via audion amplification module of the modular converter comprising common ground connection and No. second audion amplification module, first via audion
The equal phototriode of audion in amplification module and No. second audion amplification module, its only correspondingly receive first voltage respectively
The light irradiation sent by photodiode in detection module, second voltage detection module；First via audion amplification module
Phototriode only turn on when the photodiode by first voltage detection module irradiates；No. second audion amplification module
Phototriode only turn on when the photodiode by second voltage detection module irradiates.
4. according to claim 1 for after switch trip automatic time delay conducting circuit, it is characterised in that：Also comprising string
The hand switch being coupled between supply module and voltage transformation module, for controlling confession of the supply module to voltage transformation module
Electricity.
5. according to claim 1 for after switch trip automatic time delay conducting circuit, it is characterised in that：Described standby
Switch the switch for same model specification with monitored switch.
6., according to 1,2 or 3 arbitrary described circuit for automatic time delay conducting after switch trip of claim, its feature exists
In：The switch link block is the time relay.
7., according to 1,2 or 3 arbitrary described circuit for automatic time delay conducting after switch trip of claim, its feature exists
In：The multilevel iudge module includes the one of which in combinational logic circuit or flush bonding processor；The combination logic electricity
Road includes XOR circuit, and not circuit, wherein, two inputs of XOR circuit, and not circuit
Two inputs respectively correspondingly connect voltage interconnecting module outfan；Combinational logic circuit is also comprising coding circuit, coding electricity
After the input on road and the outfan of XOR circuit, the outfan of and not circuit, voltage interconnecting module are through hand switch
Connection end be correspondingly connected.
8., according to 1,2 or 3 arbitrary described circuit for automatic time delay conducting after switch trip of claim, its feature exists
In：The supply module includes battery and mu balanced circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249009.1A CN106505511B (en) | 2016-12-29 | 2016-12-29 | The circuit be connected for automatic time delay after switch trip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249009.1A CN106505511B (en) | 2016-12-29 | 2016-12-29 | The circuit be connected for automatic time delay after switch trip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106505511A true CN106505511A (en) | 2017-03-15 |
| CN106505511B CN106505511B (en) | 2018-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611249009.1A Active CN106505511B (en) | 2016-12-29 | 2016-12-29 | The circuit be connected for automatic time delay after switch trip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106505511B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5777862A (en) * | 1996-11-15 | 1998-07-07 | Thomson Consumer Electronics, Inc. | Fault control circuit for switched power supply |
| CN101984539A (en) * | 2010-11-25 | 2011-03-09 | 杭州三和电控设备有限公司 | Magnetic blow-out switch operation controller |
| CN202374037U (en) * | 2011-12-27 | 2012-08-08 | 广西电控电气集团有限公司 | Double-power on-line automatic switching device |
| CN103956828A (en) * | 2014-04-29 | 2014-07-30 | 宁夏维益电气有限公司 | Medium and low voltage electricity distribution intelligent terminal |
| CN206498182U (en) * | 2016-12-29 | 2017-09-15 | 重庆市渝展电气有限公司 | It is a kind of to be used for the circuit that automatic time delay is turned on after switch trip |
-
2016
- 2016-12-29 CN CN201611249009.1A patent/CN106505511B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5777862A (en) * | 1996-11-15 | 1998-07-07 | Thomson Consumer Electronics, Inc. | Fault control circuit for switched power supply |
| CN101984539A (en) * | 2010-11-25 | 2011-03-09 | 杭州三和电控设备有限公司 | Magnetic blow-out switch operation controller |
| CN202374037U (en) * | 2011-12-27 | 2012-08-08 | 广西电控电气集团有限公司 | Double-power on-line automatic switching device |
| CN103956828A (en) * | 2014-04-29 | 2014-07-30 | 宁夏维益电气有限公司 | Medium and low voltage electricity distribution intelligent terminal |
| CN206498182U (en) * | 2016-12-29 | 2017-09-15 | 重庆市渝展电气有限公司 | It is a kind of to be used for the circuit that automatic time delay is turned on after switch trip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106505511B (en) | 2018-09-11 |
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