CN205665555U - Regulator cubicle door fault indication device - Google Patents
Regulator cubicle door fault indication device Download PDFInfo
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- CN205665555U CN205665555U CN201620546729.3U CN201620546729U CN205665555U CN 205665555 U CN205665555 U CN 205665555U CN 201620546729 U CN201620546729 U CN 201620546729U CN 205665555 U CN205665555 U CN 205665555U
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Abstract
Regulator cubicle door fault indication device. Relate to the power equipment field, especially relate to a fault indication device and working method. The utility model provides a can make the locking state of behind block terminal cabinet door can be on the panel behind visual display and the block terminal cabinet door just unable regulator cubicle door fault indication device and the working method who realizes the feed motion does not lock. Impulse generator fix the switch board inside and with the controller is connected, pressure sensor is fixed in on the back cabinet door of switch board and with the controller is connected, and the pressure data transfer that will gather gives the controller. The controller includes central processing unit, memory, signal transmitter and IO port, memory, IO port respectively with central processing unit links to each other, the signal transmitter process the IO port with central processing unit links to each other, the utility model discloses safe and reliable ensures the personal safety, maintains the safety and stablization of electric wire netting.
Description
Technical field
This utility model relates to field of electrical equipment, particularly relates to a kind of accident indicator and method of work thereof.
Background technology
Along with the development of economic society, the effect of electric power highlights all the more, and the Electrical Safety problem thus brought is the most increasingly
Many, therefore power equipment needs to carry out periodic inspection maintenance, and general power equipment is placed in the distribution box of transformer station, and distribution box is
Double door designs, and needs operated by two people, and a people changes device when maintenance at Qianmen, and a people carries out wiring from rear cabinet door.Maintenance
After need to be shut by rear cabinet door and lock, it is ensured that distribution is in state of insulation and could close a floodgate, but in actual mechanical process
The rear cabinet door of distribution box usually can not be locked, and the staff of parallel operation part does not knows the state of rear cabinet door and normal at Qianmen
Closing a floodgate and test, cause electric shock accidents to happen occasionally, bring great potential safety hazard, the safety that simultaneously also have impact on electrical network is steady
Fixed.
State Intellectual Property Office 2014-2-26 disclose a utility application (application number:
2013105275932, title: Distribution-box fault indicator) specifically disclose and include relay switch, display lamp and wiring, its
In, in distribution box, chopper and disconnecting link melt are connected with relay switch respectively, and display lamp is by relay switch control, display lamp
Being five, wherein three display lamp relay switch corresponding with disconnecting link melt respectively series connection, constitute disconnecting link melt indicating fault
Branch road, concatenates a display lamp after three disconnecting link melt indicating fault branch circuit parallel connections, another display lamp is corresponding with chopper
Relay switch is connected；The beneficial effect of this utility model Distribution-box fault indicator: will with a kind of relay-indicating light structure
Distribution box internal fault condition shows outside distribution box, simplifies malfunction elimination flow process, reduces and restores electricity the time.But this practicality is new
Indicating fault described in type refers to play indicative function when device failure within distribution box, not for distribution
The case rear cabinet door locking drawback causing electric shock and other safety accidents to happen occasionally not in place.
Utility model content
This utility model is for problem above, it is provided that a kind of locking states enabling to distribution box rear cabinet door can be
On panel display directly perceived and distribution box rear cabinet door do not lock just cannot realize feed motion regulator cubicle door accident indicator and
Its method of work.
The technical solution of the utility model is: regulator cubicle door accident indicator, including controller, pressure transducer, arteries and veins
Rushing generator, red led and green indicating lamp, described red led and green indicating lamp are respectively arranged on inside power distribution cabinet
Device board on and be connected with described pulse generator respectively；
Described pulse generator is fixed on power distribution cabinet inside and is connected with described controller；
Described pressure transducer is fixed on the rear cabinet door of described power distribution cabinet and is connected, by collect with described controller
Pressure data sends controller to.
Described controller includes central processing unit, memorizer, signal transmitting device and I/O port；
Described memorizer, I/O port are connected with described central processing unit respectively, and described signal transmitting device is through described IO end
Mouth is connected with described central processing unit；
Described I/O port is also connected with described pulse generator；
Described signal transmitting device is also connected with described pressure transducer, the pressure signal collected for pick-up；
It is also connected with host computer, for memory read/write data on described memorizer.
Also include that anti-error-touch device, described anti-error-touch device include earth lead and A.C. contactor, described A.C. contactor
The normally-closed contact being associated with coil including coil and the normally opened contact being associated with coil；
Described normally-closed contact is located on described earth lead, controls the break-make of earth lead；
Described earth lead is connected with the end of incoming cables of described power distribution cabinet；End of incoming cables can be directly grounded；
Described normally opened contact is located on the end of incoming cables of described Electric Appliance Cabinet, controls the break-make of electric elements in whole Electric Appliance Cabinet；
Described coil is connected with described pulse generator, controls normally opened contact and the break-make of normally-closed contact by coil.
Also include that hydraulic means, described hydraulic means are fixed in described power distribution cabinet, and the push rod of described hydraulic means with
The rear cabinet door of described power distribution cabinet is fixing to be connected；
Described hydraulic means is provided with electromagnetic switch, and described electromagnetic switch is connected with described I/O port.
This utility model utilizes force value during pressure transducer normal locking of detecting box door, and using this force value as
In reference value input controller, before power distribution cabinet maintenance needs to open during rear cabinet door, in the effect of A.C. contactor normally opened contact
The end of incoming cables of power distribution cabinet is disconnected by lower pressure, i.e. disconnects the power supply of whole power distribution cabinet, prevents false switching, causes security incident
Occur, and earth lead accesses power distribution cabinet in time, even if A.C. contactor normally opened contact is failure to actuate or deferred action, occurring by mistake
In the case of combined floodgate so that power distribution cabinet internal circuit is in ground short circuit state so that it is occur that big electric current trips, it is to avoid occur touching
The security incidents such as electricity so that power distribution cabinet is more safe and reliable in maintenance process.
This utility model utilizes force value during the normal locking of cabinet door as reference value, at the shape of the abnormal locking of cabinet door
The force value recorded under state is less than reference value, and now, pulse generator sends the pulse of voltage-5V so that red light obtains electric Chang Liang,
Thus pointing out maintainer's rear cabinet door locking abnormal so that maintainer checks rear cabinet door state in time and keeps in repair, simultaneously
Avoid maintainer repeatedly to come and go between front rear cabinet door, save the repair time, liberate labour force, improve overhaul efficiency.Reduce
Because of the generation of the abnormal security incident caused of rear cabinet door locking, ensure personal safety, maintained the safety and stablization of electrical network.
This utility model is also attached to hydraulic means, attempts all not having locking rear cabinet door maintainer through several times,
Hydraulic means i.e. works, and forces locked rear cabinet door, and pressure transducer detects that pressure is normal so that maintainer can close in time
Lock, recovers power distribution cabinet properly functioning, it is ensured that power grid security, stable operation.
Accompanying drawing explanation
Fig. 1 is that this utility model uses state stereogram one,
Fig. 2 is that this utility model uses state to be axonometric chart two,
Fig. 3 is this utility model circuit connection diagram,
Fig. 4 is that this utility model controls loop electrical schematic diagram,
Fig. 5 is attachment structure block diagram of the present utility model,
Fig. 6 is workflow diagram of the present utility model；
11 is normally opened contact, and 12 is normally-closed contact, and 13 is coil,
21 is electrical network bus, and 22 is end of incoming cables, and 23 is earth lead,
31 is green indicating lamp, and 32 is red led,
41 is front cabinet door, and 42 is rear cabinet door,
5 is pressure transducer, and 6 is hydraulic means, and 7 is electric brake.
Detailed description of the invention
This utility model as shown in figures 1 to 6, including controller, pressure transducer, pulse generator, red led and green
Color display lamp, described red led and green indicating lamp be respectively arranged on the device board within power distribution cabinet and respectively with described arteries and veins
Rush generator to connect；Described pulse generator is fixed on power distribution cabinet inside and is connected with described controller；Described pressure transducer
It is fixed on the rear cabinet door of described power distribution cabinet and is connected with described controller, sending the pressure data collected to controller.
Red led and green indicating lamp enable to the maintainer at front cabinet door and intuitively understand the locking states of rear cabinet door, and
Time make disposal, even if power distribution cabinet internal overhaul completes, maintainer also can judge according to the instruction of rear cabinet door locking state be
No combined floodgate (i.e. closes a main switch).Protect maintainer's personal safety, avoid rear cabinet door before maintainer repeatedly comes and goes simultaneously
Between, save the repair time, liberate labour force, improve overhaul efficiency.
Red led and green indicating lamp preferably employ light emitting diode, the negative pole of red led and pulse generator
Outfan connect, the positive pole of red led is connected with the input of pulse generator, the positive pole of green indicating lamp and pulse
The outfan of generator connects, and the negative pole of green indicating lamp is connected with one end of coil, and the other end of coil connects pulse generation
The input of device, constitutes circuit loop, and when pulse generator sends the unidirectional current of voltage+5V, green indicating lamp is bright and line
Enclose electric, when pulse generator sends the unidirectional current that voltage is-5V, due to the forward conduction characteristic of light emitting diode, green
Display lamp does not works and coil losing electricity, and red led is bright.Enable to the maintainer at front cabinet door and intuitively understand rear cabinet door
Locking states, make disposal in time.
Described controller includes central processing unit, memorizer, signal transmitting device and I/O port；Described memorizer, I/O port
Being connected with described central processing unit respectively, described signal transmitting device is connected with described central processing unit through described I/O port；Institute
State I/O port and be also connected with described pulse generator；Described signal transmitting device is also connected with described pressure transducer, for pick-up collection
The pressure signal arrived；It is also connected with host computer, for memory read/write data on described memorizer.
Pressure transducer is deposited by host computer write after under normal condition, the force value of power distribution cabinet rear cabinet door detects
Reservoir, as comparison value.When this utility model normally works, the pressure value information detected is become by pressure transducer by signal
Sending device pick-up is the signal of telecommunication that controller is capable of identify that, and transmits the signal of telecommunication to controller, carries out computing inside via controller,
Compared with the comparison value of storage in memorizer relatively after, controller sends corresponding instruction according to comparative result, passes through I/O port
Transport to each external equipment (such as pulse generator, electromagnetic switch), and by each with the peripheral equipment control that I/O port is directly connected to
Individual terminal (red led, green indicating lamp, A.C. contactor).
The locking states of rear cabinet door is judged, when cabinet door lock closes abnormal at power distribution cabinet by the comparison controller of force value
Red led on panel i.e. Chang Liang, reminds the good rear cabinet door of maintainer locking as early as possible, and the most also prompting maintainer is now
Can not close a floodgate, it is to avoid occur that the security incidents such as electricity have ensured the personal safety of maintainer, maintain the safety and stability fortune of electrical network
OK, it is to avoid maintainer repeatedly come and go before between rear cabinet door, save the repair time, liberate labour force, improve overhaul efficiency.
Also include that anti-error-touch device, described anti-error-touch device include earth lead and A.C. contactor, described A.C. contactor
Including coil, normally opened contact and normally-closed contact, described normally opened contact is associated with coil with normally-closed contact, and (coil obtains electric normally opened tactile
Point Guan Bi, normally-closed contact disconnect；Coil losing electricity, normally opened contact disconnects, normally-closed contact closes).Its object is to utilize coil
Obtain normally opened contact and the break-make of normally-closed contact that (mistake) electricity condition controls to be associated with coil, thus reach to control the logical of power distribution cabinet
Disconnected state, it is ensured that in maintenance process power distribution cabinet will not by false switching thus access electrical network, also it is avoided that occur that security incident is protected
Card safety, also maintains the safety and stability of electrical network simultaneously.
Normally-closed contact is located on described earth lead, controls the break-make of earth lead；Described earth lead enters with described power distribution cabinet
Line end connects；End of incoming cables can be directly grounded.In maintenance process, normally-closed contact is in the state of combined floodgate, earth lead all the time
It is access in the end of incoming cables (part direct-connected with electrical network) of power distribution cabinet, occurring that power-off is not thoroughly or during false switching, earth lead makes
Obtain whole power distribution cabinet and be in short-circuit condition, even if false switching, also can trip at short notice, it is ensured that in maintenance process, power distribution cabinet begins
It is in power failure state eventually, it is ensured that the personal safety of maintainer.
Normally opened contact is located on the end of incoming cables of described Electric Appliance Cabinet, controls the break-make of electric elements in whole Electric Appliance Cabinet, maintenance
During normally opened contact be in the state of disconnection, the end of incoming cables (part direct-connected with electrical network) of power distribution cabinet and the interruption of electrical network all the time
Opening so that whole power distribution cabinet is in power failure state, even if false switching, power distribution cabinet also will not be charged, it is ensured that distribution in maintenance process
Cabinet is in power failure state all the time, it is ensured that the personal safety of maintainer.Normally opened contact complements each other, when it with earth lead two
One of when breaking down, another also can guarantee that the power distribution cabinet under inspecting state will not be charged, improves the safety of power distribution cabinet
Property, it is ensured that the personal safety of maintainer.
Described coil is connected with described pulse generator.When pulse generator sends the unidirectional current that voltage is+5V, (green refers to
Show that lamp is bright) time, i.e. represent that maintenance completes, front cabinet door and rear cabinet door locking.Now, coil obtains electric, and normally-closed contact disconnects, normally opened tactile
Point Guan Bi, i.e. earth lead separates with power distribution cabinet, now closes a floodgate, and power distribution cabinet can be accessed electrical network.
Also include that hydraulic means, described hydraulic means are fixed in described power distribution cabinet, and the push rod of described hydraulic means with
The rear cabinet door of described power distribution cabinet is fixing to be connected；Described hydraulic means is provided with electromagnetic switch, described electromagnetic switch and described IO end
Mouth connects.At maintainer's manual-lock rear cabinet door several times, and via controller judge unsuccessful after, controller is i.e. by IO end
Mouthful control electromagnetic switch, start hydraulic means, force locked rear cabinet door (pressure that i.e. sensor detects greater than than
To value), shorten the time of maintainer's maintenance, improve efficiency.
The method of work of regulator cubicle door accident indicator, works as follows:
1) in memorizer, pressure preset and time numerical value are write by host computer；The benchmark judged as controller；Logical
Crossing the setting of preset value, this utility model can adapt to different duty requirements so that adaptability of the present utility model strengthens.
2) pressure transducer gathers the force value of rear cabinet door and transmits to central processing unit by after signal transmitting device pick-up；
Central processing unit is responsible for receiving and process the data that (reading and the comparison that i.e. carry out relevant preset value) receives.
3) central processing unit reads the pressure preset in memorizer and compares, less than preset value with the force value collected
Then go to step 5), height and preset value or equal with preset value, go to step 4)；
4) rear cabinet door locking；
4.1) central processing unit sends instruction to pulse generator；
4.2) pulse generator work, sends the unidirectional current that voltage is+5V, and ac contactor coil obtains electric；
4.3) green indicating lamp is bright；Now, maintainer can get information about locking situation (the rear cabinet door lock of rear cabinet door
Tightly), the operation of carry out closing a floodgate (closing a main switch), terminates maintenance, it is to avoid maintainer repeatedly travels to and fro between front cabinet door and rear cabinet as early as possible
Between Men, save the repair time, improve overhaul efficiency.
4.4) normally-closed contact disconnects, and earth lead disconnects, and A.C. contactor normally opened contact closes, and end of incoming cables obtains electric；
4.5) staff closes a floodgate, and power distribution cabinet resumes operation；
5) rear cabinet door is not locked；
5.1) central processing unit sends instruction to pulse generator；
5.2) pulse generator work, sends the unidirectional current that voltage is-5V, ac contactor coil dead electricity；
5.3) red led is bright；
5.4) normally-closed contact Guan Bi, earth lead accesses circuit, and power distribution cabinet is in ground short circuit state, and A.C. contactor is normally opened
Contact disconnects, and end of incoming cables dead electricity proceeds to step 6)；Dual fail-safe guarantees that power distribution cabinet is not charged in maintenance process, it is ensured that maintenance people
Member's safety, links with pressure transducer simultaneously, and when rear cabinet door is not locked and shut, power distribution cabinet can not carry out closing operation, really
Protect rear cabinet door when power distribution cabinet can run and be necessarily in locking state, it is to avoid the rear cabinet door locking distribution extremely of power distribution cabinet occurs
The situation of cabinet charging operation, it is ensured that the safe operation of power distribution cabinet, reduces security incident odds；
6) close and lock rear cabinet door；
6.1) staff's manual-lock rear cabinet door；
6.2) force value of pressure transducer Resurvey rear cabinet door；
6.3) whether locking is good to judge rear cabinet door, if locking is well, and Resurvey force value compared with preset value, reach
To or exceed preset value then central processing unit to pulse generator one instruction, pulse generator sends 5V pulse, and green light is no
Then enter next step；
6.4) by pressure oscillation number of times compared with the preset times described in memorizer, three then central authorities are met or exceeded
Processor provides instruction, and electromagnetic switch closes, and hydraulic means works, the most locked rear cabinet door so that power distribution cabinet can normally work,
Complete.Improve the efficiency of maintainer's maintenance.
Claims (4)
1. regulator cubicle door accident indicator, including controller, pressure transducer, pulse generator, red led and green
Display lamp, it is characterised in that described red led and green indicating lamp are respectively arranged on the device board within power distribution cabinet and divide
It is not connected with described pulse generator；
Described pulse generator is fixed on power distribution cabinet inside and is connected with described controller；
Described pressure transducer is fixed on the rear cabinet door of described power distribution cabinet and is connected with described controller, the pressure that will collect
Data send controller to.
Regulator cubicle door accident indicator the most according to claim 1, it is characterised in that described controller includes centre
Reason device, memorizer, signal transmitting device and I/O port；
Described memorizer, I/O port are connected with described central processing unit respectively, described signal transmitting device through described I/O port with
Described central processing unit is connected；
Described I/O port is also connected with described pulse generator；
Described signal transmitting device is also connected with described pressure transducer, the pressure signal collected for pick-up；
It is also connected with host computer, for memory read/write data on described memorizer.
Regulator cubicle door accident indicator the most according to claim 2, it is characterised in that also include anti-error-touch device, institute
Stating anti-error-touch device, to include that earth lead and A.C. contactor, described A.C. contactor include that coil is associated with coil normally closed
Contact and the normally opened contact being associated with coil；
Described normally-closed contact is located on described earth lead, controls the break-make of earth lead；
Described earth lead is connected with the end of incoming cables of described power distribution cabinet；End of incoming cables can be directly grounded；
Described normally opened contact is located on the end of incoming cables of described Electric Appliance Cabinet, controls the break-make of electric elements in whole Electric Appliance Cabinet；
Described coil is connected with described pulse generator, controls normally opened contact and the break-make of normally-closed contact by coil.
Regulator cubicle door accident indicator the most according to claim 3, it is characterised in that also include hydraulic means, described
Hydraulic means is fixed in described power distribution cabinet, and the push rod of described hydraulic means is fixed with the rear cabinet door of described power distribution cabinet and is connected；
Described hydraulic means is provided with electromagnetic switch, and described electromagnetic switch is connected with described I/O port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546729.3U CN205665555U (en) | 2016-06-06 | 2016-06-06 | Regulator cubicle door fault indication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546729.3U CN205665555U (en) | 2016-06-06 | 2016-06-06 | Regulator cubicle door fault indication device |
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| Publication Number | Publication Date |
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| CN205665555U true CN205665555U (en) | 2016-10-26 |
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| CN201620546729.3U Active CN205665555U (en) | 2016-06-06 | 2016-06-06 | Regulator cubicle door fault indication device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867260A (en) * | 2016-06-06 | 2016-08-17 | 国网江苏省电力公司宝应县供电公司 | Electrical cabinet door failure indicating device and operating method thereof |
| CN107465172A (en) * | 2017-08-11 | 2017-12-12 | 马鞍山钢铁股份有限公司 | A kind of ACS800 converter plants are by electric switch control method |
-
2016
- 2016-06-06 CN CN201620546729.3U patent/CN205665555U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867260A (en) * | 2016-06-06 | 2016-08-17 | 国网江苏省电力公司宝应县供电公司 | Electrical cabinet door failure indicating device and operating method thereof |
| CN105867260B (en) * | 2016-06-06 | 2019-01-01 | 国网江苏省电力公司宝应县供电公司 | A kind of electrical cabinet door accident indicator and its working method |
| CN107465172A (en) * | 2017-08-11 | 2017-12-12 | 马鞍山钢铁股份有限公司 | A kind of ACS800 converter plants are by electric switch control method |
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