CN204789733U - Electrified display based on divide and be listed as module - Google Patents
Electrified display based on divide and be listed as module Download PDFInfo
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- CN204789733U CN204789733U CN201520517923.4U CN201520517923U CN204789733U CN 204789733 U CN204789733 U CN 204789733U CN 201520517923 U CN201520517923 U CN 201520517923U CN 204789733 U CN204789733 U CN 204789733U
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- 230000005611 electricity Effects 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 230000006378 damage Effects 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 4
- 208000027418 Wounds and injury Diseases 0.000 claims description 3
- 208000014674 injury Diseases 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an electrified display based on divide and be listed as module, including the bottom plate to and install the power module on the bottom plate, electrified display module and shutting control module with the plug mode, wherein, power module includes consecutive rectification filter circuit and step -down voltage stabilizing circuit, and control module provides the galvanic current for the shutting, electrified display module includes consecutive test interface, three phase bridge, current -limiting resistor, electrified display switch and electrified pilot lamp, shutting control module includes consecutive diode, opto -coupler, triode and relay. Above -mentioned electrified display for pluggable modularized design, has greatly made things convenient for electrified display fault phenomenon's change, has not only saved the cost, and it also can not be unsettled to get the electricity mouth at change in -process high pressure, therefore can not produce the high voltage, has improved the security and the convenience of operation.
Description
Technical field
The utility model relates to a kind of electrification display, particularly relates to a kind of electrification display based on apportion module.
Background technology
Electrification display is the field coupled principle utilized between high-voltage electric field and sensor, a kind of device of inductive measuring is carried out outside safe distance, generally be arranged on inlet wire bus, isolating switch, main transformer, switch cubicle, GIS combination electric appliance and other need the whether charged place of display, to prevent electric misoperation.Electrification display mainly provides the function of two aspects, and one is charged instruction, and two is anti-misoperations.In specific implementation, show this have electricity mutually by lighting of the pilot lamp of each phase; By providing charged instruction contact and contact being introduced anti-mis-logical, thus realize fool proof function.
At present, conventional in prior art electrification display is three module integration one.If break down, uninterrupted operation is normally adopted to change electrification display.Electrification display has 8 interfaces, is high pressure power taking mouth (A/B/C/N), Alternating Current Power Supply mouth (L/N0) and locking contact mouth (K1/K2) respectively, and during replacing, needs can remove old electrification display after 8 mouths are all dismantled.But when being in overhead positions, high pressure power taking mouth voltage can reach more than 500V, easily causes Danger Electric shock risk.And according to on-the-spot O&M experience, lock-in control contact is the parts the most easily broken down, changes whole electrification display because of the damage of a certain parts, also result in waste to a certain degree.
In view of this, the present inventor studies this, and develop a kind of electrification display based on apportion module specially, this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of electrification display based on apportion module, changes the implementation of traditional integration-in-one, improves security during electrification display replacing operation, also saves cost simultaneously.
To achieve these goals, solution of the present utility model is:
A kind of electrification display based on apportion module, comprise base plate, and be arranged on the supply module on base plate, charged display module and lock-in control module with pluggable mode, wherein, described supply module comprises the current rectifying and wave filtering circuit and decompression voltage regulator that are connected successively, for lock-in control module provides galvanic current; Described charged display module comprises the test interface, three-phase commutation bridge, current-limiting resistance, charged display switch and the charged pilot lamp that are connected successively; Described lock-in control module comprises the diode, optocoupler, triode and the relay that are connected successively.
As preferably, described supply module comprises power light further, for showing supply module energising and powering-off state; 220V alternating current, after current rectifying and wave filtering circuit, obtains the direct current higher than 220V, then after decompression voltage regulator, obtain stable direct current output, is lock-in control module for power supply.
As preferably, the input end of described charged display module connects 380V three-phase high-voltage, every mutually on be equipped with a test interface, whether electricity is had for ammeter test, three-phase high-voltage electrical input is provided with voltage stabilizing diode further, for limiting the voltage of Hi-pot test interface, prevent superpotential injury device, three-phase commutation bridge, current-limiting resistance, charged display switch and charged pilot lamp form the charged display circuit of each phase respectively, electricity is had mutually if a certain, then can record voltage at this phase test interface multimeter, close after this mutually charged display switch, charged pilot lamp lights and shows electricity.
As preferably, the input end of described lock-in control module connects 380V three-phase high-voltage, and three-phase high-voltage is connected with optocoupler by diode, and the output terminal of optocoupler is connected with triode with supply module respectively, triode is connected with relay, as long as three-phase high-voltage any has electricity mutually, optocoupler just will be switched on, thus triode is also opened, so the coil of relay just passes through electric current, normally closed contact is opened, opening operation loop, prevent the maloperation under electricity condition.Otherwise, if three-phase high-voltage three-phase is all without electricity, then the non-conducting of optocoupler, so triode is just in cut-off state, thus relay coil two ends no-voltage, now normally closed contact closes.
Electrification display based on apportion module described in the utility model, for pluggable modular design, greatly facilitate the replacing of electrification display trouble unit, not only save cost, what is more important, Renewal process mesohigh power taking mouth (A/B/C/N) can not be unsettled, thus can not produce high voltage, improves security and the convenience of operation.After application the utility model, the replacing of electrification display directly can be completed by operation maintenance personnel, rushes to the scene, improve production efficiency without the need to maintainer.
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the electrification display supply module circuit diagram of the present embodiment;
Fig. 2 is the electrification display electricity display module circuit diagram of the present embodiment;
Fig. 3 is the electrification display lock-in control module circuit diagram of the present embodiment;
Fig. 4 is the electrification display backplane circuit figure of the present embodiment;
Fig. 5 is the electrification display outward appearance front elevation of the present embodiment;
Fig. 6 is the electrification display outward appearance rear view of the present embodiment.
Embodiment
For technique scheme, provide embodiment with reference to accompanying drawing, comprise circuit design Interface design.Because the electrification display of rig-site utilization is of a great variety, the present embodiment does not provide concrete structural design size, only provides the implementation of principle, and various types of electrification display all can be implemented to improve according to this principle.
Accompanying drawing 1 is electrification display supply module circuit diagram, and supply module achieves rectification function.In figure, L and N0 is the input terminal of supply module, for receiving 220V AC power; VCC and VGND is the lead-out terminal of supply module, for 24V direct current exports, for powering to locking control circuit.220V alternating current, after rectifier bridge B1 rectification and electric capacity C5 filtering voltage regulation, obtains the direct current of about 280V, then through the voltage stabilizing of DC voltage-stabilizing module VR1 step-down and electric capacity C6, obtains the stable direct current of 24V and export.Resistance R11 and pilot lamp Power is for realizing the electric signal instruction of supply module.
Accompanying drawing 2 is circuit theory diagrams of charged display module, and in figure, A, B, C and N are high-tension electricity power taking mouths, is the input signal of charged display module; Test_A, Test_B and Test_C are three test interfaces that charged display module provides, and whether have electricity for ammeter test.In figure, diode D1, D1, D3 are voltage stabilizing diode, for limiting the voltage of high pressure power taking mouth, prevent superpotential injury device.Diode D4, D5, D6, D7, D8, D9 form three-phase bridge rectifier circuit, coordinate current-limiting resistance R1, R2 and R3, switch S 1, S2 and S3 and charged display lamp DS1, DS2 and DS3, form the charged display circuit of each phase respectively.For A phase, if A phase has electricity, then can record voltage at test interface Test_A place multimeter, after the S1 that closes a switch, charged pilot lamp DS1 can light and show electricity.All the other two-phases are also identical designs, repeat no more herein.
Accompanying drawing 3 is lock-in control modular circuit schematic diagrams, lock-in control module be input as high pressure power taking mouth (A/B/C/N) and direct supply (VCC and VGND), export as locking contact K1 and K2.As long as any one has electricity mutually in three-phase high-voltage A, B, C, optocoupler U1 just will be switched on, thus triode Q1 is also opened, so the coil of relay DJ just passes through electric current, normally closed contact K1 and K2 is opened, opening operation loop, prevent the maloperation under electricity condition.Otherwise, if A, B, C three-phase is all without electricity, then the non-conducting of optocoupler U1, so triode Q1 is just in cut-off state, thus relay coil two ends no-voltage, now normally closed contact K1 and K2 closes.Locking pilot lamp LOCK in figure is only closed when there being electricity, and display operation is blocked.
Accompanying drawing 4 is backplane circuit figure, does not only give the socket of each module, and designates the annexation between each signal.Wherein P1 socket connects supply module plug-in unit, P2 socket tape splicing electricity display module plug-in unit, and P3 socket connects lock-in control module plug-in, and all interface signal contacts all complete at base plate.All circuit of charged display are and relate to high-current circuit, thus also chipless, support the charged hot plug of plug-in unit completely.
Base plate described in the utility model and supply module, charged display module and lock-in control module can be encapsulated in a housing, easy to use.Accompanying drawing 5 is electrification display outward appearance front elevations, and in figure, 1 is charged display pilot lamp, DS1, DS2, DS3 in respective figure 2; In figure, 2 is test point (test interfaces), Test_A, Test_B and Test_C in respective figure 2; In figure, 3 is switches, S1, S2, S3 in respective figure 2.In figure 4 is supply module, and 5 is lock-in control module.
Accompanying drawing 6 is electrification display outward appearance rear views, has 8 connection terminals, and each terminal implication is indicated in the drawings.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (4)
1. the electrification display based on apportion module, it is characterized in that: comprise base plate, and be arranged on the supply module on base plate, charged display module and lock-in control module with pluggable mode, wherein, described supply module comprises the current rectifying and wave filtering circuit and decompression voltage regulator that are connected successively, for lock-in control module provides galvanic current; Described charged display module comprises the test interface, three-phase commutation bridge, current-limiting resistance, charged display switch and the charged pilot lamp that are connected successively; Described lock-in control module comprises the diode, optocoupler, triode and the relay that are connected successively.
2. a kind of electrification display based on apportion module as claimed in claim 1, is characterized in that: described supply module comprises power light further, for showing supply module energising and powering-off state; 220V alternating current, after current rectifying and wave filtering circuit, obtains the direct current higher than 220V, then after decompression voltage regulator, obtain stable direct current output, is lock-in control module for power supply.
3. a kind of electrification display based on apportion module as claimed in claim 1, it is characterized in that: the input end of described charged display module connects 380V three-phase high-voltage, every mutually on be equipped with a test interface, whether electricity is had for ammeter test, three-phase high-voltage electrical input is provided with voltage stabilizing diode further, for limiting the voltage of Hi-pot test interface, prevent superpotential injury device, three-phase commutation bridge, current-limiting resistance, charged display switch and charged pilot lamp form the charged display circuit of each phase respectively, electricity is had mutually if a certain, then can record voltage at this phase test interface multimeter, close after this mutually charged display switch, charged pilot lamp lights and shows electricity.
4. a kind of electrification display based on apportion module as claimed in claim 1, it is characterized in that: the input end of described lock-in control module connects 380V three-phase high-voltage, three-phase high-voltage is connected with optocoupler by diode, the output terminal of optocoupler is connected with triode with supply module respectively, triode is connected with relay, as long as three-phase high-voltage any has electricity mutually, optocoupler just will be switched on, thus triode is also opened, so the coil of relay just passes through electric current, normally closed contact is opened, opening operation loop, prevent the maloperation under electricity condition, otherwise, if three-phase high-voltage three-phase is all without electricity, the then non-conducting of optocoupler, so triode is just in cut-off state, thus relay coil two ends no-voltage, now normally closed contact closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520517923.4U CN204789733U (en) | 2015-07-16 | 2015-07-16 | Electrified display based on divide and be listed as module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520517923.4U CN204789733U (en) | 2015-07-16 | 2015-07-16 | Electrified display based on divide and be listed as module |
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| Publication Number | Publication Date |
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| CN204789733U true CN204789733U (en) | 2015-11-18 |
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| CN201520517923.4U Active CN204789733U (en) | 2015-07-16 | 2015-07-16 | Electrified display based on divide and be listed as module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137155A (en) * | 2015-07-16 | 2015-12-09 | 国家电网公司 | Live displayer based on split modules |
| CN110118886A (en) * | 2019-05-21 | 2019-08-13 | 福建福清核电有限公司 | A kind of multimeter test pen having electrification early warning and blocking function |
-
2015
- 2015-07-16 CN CN201520517923.4U patent/CN204789733U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137155A (en) * | 2015-07-16 | 2015-12-09 | 国家电网公司 | Live displayer based on split modules |
| CN110118886A (en) * | 2019-05-21 | 2019-08-13 | 福建福清核电有限公司 | A kind of multimeter test pen having electrification early warning and blocking function |
| CN110118886B (en) * | 2019-05-21 | 2021-06-29 | 福建福清核电有限公司 | Universal meter test pen with live warning and locking functions |
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