CN203759766U - Device for verification of live part and high voltage switch cabinet - Google Patents
Device for verification of live part and high voltage switch cabinet Download PDFInfo
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- CN203759766U CN203759766U CN201320685490.4U CN201320685490U CN203759766U CN 203759766 U CN203759766 U CN 203759766U CN 201320685490 U CN201320685490 U CN 201320685490U CN 203759766 U CN203759766 U CN 203759766U
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- electroscopic device
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- 238000012795 verification Methods 0.000 title claims abstract description 65
- 230000009467 reduction Effects 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 229910052742 iron Inorganic materials 0.000 description 12
- 230000009471 action Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Abstract
The utility model relates to the field of high voltage switch cabinets, and in particular relates to a device for verification of a live part and a high voltage switch cabinet. The device comprises a step-down circuit module, a live part verification control module and alive part verification interface which are sequentially connected, wherein the step-down circuit module is connected with a high voltage sensor on a high voltage power line in the high voltage switch cabinet and reduces a sensed high voltage signal into a low voltage signal meeting the receiving requirement of the live part verification control module, and then the live part verification control module judges the signal; because the live part verification interface is matched with an electronic key, the live part verification control module can provide accurate pairing information or unlocking instruction information for the electronic key, the electronic key can be guaranteed to be unlocked under the condition that a high voltage power distribution cabinet does not have high voltage, and the device for verification of a live part is safer and more reliable compared with a conventional live part verification display.
Description
Technical field
The utility model relates to high-tension switch cabinet field, relates in particular to a kind of electroscopic device and high-tension switch cabinet.
Background technology
At present, in commercial production, electric five anti-referring to: prevent from dividing by mistake, closing by mistake isolating switch, on-load switch, contactor; Prevent that on-load from dividing, closing disconnector; Prevent from closing grounding switch in charged mistiming; Prevent from closing when grounding switch is in the close position isolating switch, on-load switch; Prevent mistakenly entering into charged chamber.The electric five anti-high-tension switch cabinets that require are to open cabinet door in the situation that of electrification in high voltage, and necessary forced blocking, prevents maloperation.
In order to meet above-mentioned requirements, existing conventional design is that electroscopic device and unlocking apparatus are installed on cabinet door, unblank to realize electrical verification, for example prior art is that electrification display and electromagnetic lock are installed on cabinet door, respectively as electroscopic device and unlocking apparatus, on hi-line in high-tension switch cabinet, high pressure sensor is set, be low-voltage signal by high pressure converted, show electrification in high voltage situation by electrification display, then artificially allow to open electromagnetic lock according to having or not high pressure to determine whether, the power supply of the electromagnetic lock of use is taken from voltage transformer (VT) (PT) power supply.
But, in prior art, tend to occur that electrification display is because of the situation that fault is not lit and electromagnetic lock is not powered, if the opening door operation of at this moment unblanking by force has very large potential safety hazard, still have potential safety hazard so rely on existing electrification display to carry out electrical verification, it is unreliable to use.
Therefore,, for above deficiency, the utility model provides a kind of electroscopic device and high-tension switch cabinet.
Utility model content
(1) technical matters that will solve
The purpose of this utility model is to provide a kind of safe and reliable electroscopic device and high-tension switch cabinet.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of electroscopic device, it comprises the reduction voltage circuit module, electrical verification control module and the electrical verification interface that connect successively, reduction voltage circuit module is connected with the high pressure sensor being arranged on high-tension switch cabinet mesohigh electric wire, electrical verification interface matches with electron key, for unpaired message or the information of unblanking are provided to electron key.
Wherein, it also comprises rectification module, and rectification module is connected between reduction voltage circuit module and electrical verification control module.
Wherein, it also comprises Voltage stabilizing module, and Voltage stabilizing module is connected between rectification module and electrical verification control module.
Wherein, it also comprises the display control module and the charged display lamp that are connected, and display control module is connected with rectification module.
Wherein, it also comprises nuclear phase inspection hole, and nuclear phase inspection hole is connected with reduction voltage circuit module.
Wherein, electrical verification interface adopts aviation interface.
Wherein, electrical verification control module adopts MUC controller.
The utility model also provides a kind of high-tension switch cabinet on the other hand, and it has above-mentioned electroscopic device.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: in electroscopic device and high-tension switch cabinet that the utility model provides, reduction voltage circuit module is connected with the high pressure sensor being arranged on high-tension switch cabinet mesohigh electric wire, induction high-voltage signal is reduced to and meets the low voltage signal that the reception of electrical verification control module requires, then electrical verification control module judges processing to this signal, because electrical verification interface matches with electron key, electrical verification control module can provide unpaired message or unlock instruction information accurately to electron key by electrical verification interface, ensure electron key in high-tension switch cabinet without high pressure in the situation that dual lock device unblank, the utility model electroscopic device is more safe and reliable with respect to conventional electrification display.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the utility model embodiment high voltage switch cabinet electricity check unlocking system;
Fig. 2 is the parts annexation figure of electroscopic device in the utility model embodiment;
Fig. 3 is the parts annexation figure of electron key in the utility model embodiment;
Fig. 4 is the structural relation figure of hanging locking device in the utility model embodiment.
In figure, 1: high pressure sensor; 2: electroscopic device; 3: electron key; 4: hanging locking device; 21: electrical verification interface; 22: charged display lamp; 23: nuclear phase inspection hole; 31: electrical verification joint; 32: display lamp; 33: charging inlet; 40: STATEMENT OF FEDERALLY SPONSORED; 41: key interface; 42: lock body; 43: ejector return pin; 44: interlock block; 45: travel switch; 46: Self-retaining electromagnet; 47: back-moving spring; 48: control circuit; 49:U shape locking bar.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the high voltage switch cabinet electricity check unlocking system that the utility model embodiment provides comprises high pressure sensor 1, electroscopic device 2, electron key 3 and hanging locking device 4, high pressure sensor 1 is arranged on the high-tension bus-bar in high-tension switch cabinet, high pressure sensor 1 adopts cover tube sensor, electroscopic device 2 is connected with high pressure sensor 1, electroscopic device 2 and hanging locking device 4 are arranged on high-voltage switch gear cashier's office in a shop, the electrical verification joint 31 of electron key 3 matches with the electrical verification interface 21 of electroscopic device 2, for reading the unpaired message of electroscopic device 2 and receiving the information of unblanking that electroscopic device 2 transmits, the electrical verification joint 31 of electron key 3 matches with the key interface 41 of hanging locking device 4, for unpaired message and the information of unblanking are passed to hanging locking device 4, in figure, dotted line represents matching relationship.
Wherein, electroscopic device 2 can obtain the whether charged information of high-tension switch cabinet mesohigh electric wire by high pressure sensor 1, and then can judge whether to unblank, electron key 3 matches with electroscopic device 2 and hanging locking device 4 respectively, on the one hand, can read the information coding (being unpaired message) of electroscopic device 2, then insert hanging locking device 4, realize any pairing of electroscopic device 2 and hanging locking device 4, on the other hand, electroscopic device 2 and hanging locking device 4 complete after pairing, electron key 3 is inserted to electroscopic device 2 to carry out after communication checking, electron key 3 can be by the unlock instruction information that receives electroscopic device 2 and transmit, when in high voltage power distributing cabinet during without high pressure, electron key 3 is obtained unlock instruction, then electron key 3 being inserted to padlock carries out after communication checking, realization is unblanked, in the time having high pressure in high voltage power distributing cabinet, electron key 3 can not receive unlock instruction, unblanks to stop.
Particularly, as shown in Figure 2, electroscopic device 2 comprises the reduction voltage circuit module, rectification module, Voltage stabilizing module, electrical verification control module and the electrical verification interface 21 that connect successively, reduction voltage circuit module is connected with high pressure sensor 1, reduce will respond to high pressure, meet the standard that electrical verification control module eats, electrical verification interface 21 matches with electron key 3.Wherein, rectification module is one group of rectifier bridge, and Voltage stabilizing module is voltage stabilizing diode, and this group rectifier bridge and voltage stabilizing diode are as sampling output circuit, and the low and high level of its output can be used as the sampling of electrical verification control module and uses; Electrical verification control module is MCU controller, it adopts XX32 position single-chip microcomputer, it can obtain charged information accurately and reliably from sampling output circuit, the information that can input electron key 3 by this electrical verification control module is carried out data check, the power supply that the Power supply of MCU controller carries from electron key 3 need to not installed PT power supply in high voltage power distributing cabinet; Electrical verification interface 21 is the aviation plug of 4 cores, matches by this aviation interface and electron key 3, between electrical verification control module and electron key 3, can carry out communication and exchanges data transmission.
Preferably, electroscopic device 2 also comprises display control module, charged display lamp 22 and nuclear phase inspection hole 23, display control module is connected with charged display lamp 22, and display control module is connected with rectification module, charged high-tension switch cabinet information can be presented on charged display lamp; Nuclear phase inspection hole 23 is connected with reduction voltage circuit module, and as nuclear phase, inspection is used.
Particularly, as shown in Figure 3, electron key 3 comprises the charging module, power module, key control module and the electrical verification joint 31 that connect successively, in the time of electrical verification, electrical verification joint 31 matches with the electrical verification interface 21 of electroscopic device 2, and key control module comprises pairing control module reconciliation lock control unit, be respectively used to realize matching function and electrical verification unlocking function, preferably, pairing control module is connected with pairing button, and release control module is connected with unlock button.Power module adopts the chargeable lithium battery power supply of 4.2V, and charging inlet 33 adopts the general micro USB mouth in market, and this power module can be the electrical verification control module of electroscopic device 2 and the control circuit 48 of hanging locking device 4 provides power supply; Charging module adopts conventional charging circuit; Key control module adopts the single-chip microcomputer of STC15F1004 as main control circuit 48; Electrical verification joint 31 adopts Aviation Connector, and it can be connected with the aviation interface of electroscopic device 2.Key control module matches by the electrical verification interface 21 of electrical verification joint 31 and electroscopic device 2, can read on the one hand the information coding of electroscopic device 2, then insert hanging locking device 4, realize the pairing of electroscopic device 2 and hanging locking device 4, on the other hand, can carry out communication checking with electroscopic device 2, obtain unlock instruction.
Certainly, the matching function of electron key 3 and electrical verification unlocking function can be respectively realized by two independent keys, and like this, electron key 3 just comprises two kinds of pairing key and unlock keys, key control module in pairing key only includes pairing control module, realizes matching function; Key control module in unlock key only includes release control module, realizes electrical verification unlocking function.
Preferably, electron key 3 also comprises display module and alarm modules, display module, alarm modules is all connected with key control module, display module comprises two green LEDs and the emitting red light diode that are arranged on electron key 3 inside, it shows and uses as state, two green LEDs and emitting red light diode are as display lamp 32, two green LEDs are respectively as the first green light and the second green light, the first green light is connected to pairing control module, the second green light is connected to release control module, emitting red light diode is as red light, alarm modules is a hummer that is arranged on electron key 3 inside, and it is reported to the police and use as alarm condition, and in the time having high pressure in high-tension switch cabinet, alarm sound, in the time of electron key 3 operation failure, has Tip Sound.When inserting electroscopic device 2, reads after coded message success electron key 3 the first green light flicker; When electron key 3 inserts after hanging locking device 4 successful matchings, the first green light flicker; When in high-tension switch cabinet during without high pressure, electron key 3 inserts electroscopic device 2, obtains after unlock instruction, and the second green light is lighted; When electron key 3 inserts unlocking apparatus, unblank successfully, the second green light flicker; In the time having high pressure in high-tension switch cabinet, electron key 3 inserts electroscopic device 2, blinking red lamp, meanwhile, alarm sound.
Further, as shown in Figure 4, hanging locking device 4 is as the unlocking apparatus of high-tension switch cabinet, and it comprises lock body 42 and the link gear, magnet driver, control circuit 48 and the key interface 41 that are arranged in lock body 42; Control circuit 48 is connected with magnet driver and key interface 41 respectively, and key interface 41 matches with electron key 3; Magnet driver and link gear match to drive link gear to unblank.Wherein, magnet driver is Self-retaining electromagnet 46, electron key 3 inserts the key interface 41 of hanging locking device 4, the control circuit 48 that unlock instruction is delivered to hanging locking device 4, control circuit 48 is controlled magnet driver, the electromagnet action of magnet driver, touch link gear, link gear work, hanging locking device 4 is opened, and realizes release.
Particularly, link gear comprises U-shape sword iron 49, is arranged in STATEMENT OF FEDERALLY SPONSORED 40, elastic component and the ejector return pin 43 of lock body 42; The free end of U-shape sword iron 49 matches with the shrinkage cavity of lock body 42, it is recessed that the link of U-shape sword iron 49 has screens, and be arranged in lock body 42, and this screens is recessed is an annular recesses of U-shape sword iron 49 links, the below of link is connected with elastic component, and elastic component is back-moving spring 47; Recessed the matching of screens of the screens end of STATEMENT OF FEDERALLY SPONSORED 40 and U-shape sword iron 49 links, realize the screens to U-shape sword iron 49, in STATEMENT OF FEDERALLY SPONSORED 40, there is interlock block 44, magnet driver is positioned at the side of interlock block 44 near screens end, it is recessed for STATEMENT OF FEDERALLY SPONSORED 40 is released to screens, ejector return pin 43 is positioned at interlock block 44 away from screens end one side, for advancing screens recessed at the screens end of link gear, interlock block 44 is provided with travel switch 45 away from screens end one side, and the trip switch 45 is connected with control circuit 48.
Under the control of control circuit 48, Self-retaining electromagnet 46 promotes interlock block 44 and is moved to the left, it is recessed that the screens end of STATEMENT OF FEDERALLY SPONSORED 40 is pushed out the screens of U-shape sword iron 49 links, under the ejection effect of the elastic component of U-shape sword iron 49 below its link, move up, and then U-shape sword iron 49 free ends eject shrinkage cavity, realize unlocking action, simultaneously, travel switch 45 moves left and touches travel switch 45, because travel switch 45 is connected with control circuit 48, control circuit 48 obtains the information of unblanking, and the whole process of unblanking finishes; U-shape sword iron 49 is pressed, press in ejector return pin 43 simultaneously, ejector return pin 43 promotes interlock block 44 and moves right, electromagnet is subject to inner permanent magnetic effect to keep adhesive, and it is recessed that the screens end of STATEMENT OF FEDERALLY SPONSORED 40 enters the screens of U-shape sword iron 49 links, realizes locking, simultaneously, travel switch 45 disconnects, and control circuit 48 is passed in out code, and whole locking process finishes.
Control circuit 48 comprises the padlock control module and the booster circuit module that are connected, and booster circuit module is connected with Self-retaining electromagnet 46, guarantees that Self-retaining electromagnet 46 has enough power, and travel switch 45, key interface 41 are all connected with padlock control module.Padlock control module is MCU controller, and booster circuit module is conventional booster circuit, and key interface 41 adopts aviation interface.Electron key 3 inserts key interface 41, presses unlock button, and padlock control module, by key interface 41, receives unlock instruction, and by booster circuit module controls self-sustaining electromagnetic lock, self-sustaining electromagnetic lock is carried out unlocking action; Be connected with padlock control module by travel switch 45, can will unblank or the information of out code feeds back to padlock control module.
The course of work of the pairing of the utility model embodiment high voltage switch cabinet electricity check unlocking system and electrical verification release is:
1, electron key 3 inserts the electrical verification interface 21 of electroscopic device 2, press pairing button, now the electrical verification control module of electroscopic device 2 inside is powered by electron key 3, electrical verification control module is started working, the pairing control module of the inner key control module of electron key 3 reads the information coding of the inner electrical verification control module of electroscopic device 2, the first green light flicker, illustrates and reads successfully, takes off the rear green light Chang Liang of electron key 3; Description operation failure while having prompt tone, needs to repeat above action.
2, read successful electron key 3 and insert the key interface 41 of hanging locking device 4, again press pairing button, now the first green light flicker, illustrates successful matching, takes off the first green light Chang Liang after key; Description operation failure while having prompt tone, needs to repeat above action.When high-voltage switch gear has manyly during hanging locking device 4 cashier's office in a shop, can many hanging locking device 4 be matched to this.
3, electron key 3 is inserted into the electrical verification interface 21 of electroscopic device 2, press unlock button, electron key 3 and electroscopic device 2 carry out communication checking, during without high pressure, electron key 3 receives not charged information (information of unblanking) in high-tension switch cabinet, and the second green light is lighted, electron key 3 is inserted to the key interface 41 of hanging locking device 4, press unlock button, the second green light flicker, unblanks successfully; When hanging locking device 4 locking, need under electron key 3 connection status, press U-shape sword iron 49, the second green light Chang Liang, when not connecting key and carrying out lock operation, electron key 3 has alarm; Description operation failure when aforesaid operations has prompt tone, needs to repeat above action;
4,, in the time that high-tension switch cabinet inner high voltage has electricity, electron key 3 alarm sounds, unblank to stop.When high-voltage switch gear arranges manyly in the situation of hanging locking device 4 cashier's office in a shop, now operating any one with electron key 3 all can have alarm sound hanging locking device 4, and hanging locking device 4 can not be opened.
In sum, in the high voltage switch cabinet electricity check unlocking system that the utility model embodiment provides, the whether charged information of high-tension bus-bar can be detected by electroscopic device 2, and then can judge whether to unblank, because electron key 3 can match with electroscopic device 2, hanging locking device 4 respectively, can realize electroscopic device 2 and hanging locking device 4 matches by 3 of electron keys, then the information of unblanking can be passed to hanging locking device 4 by electroscopic device 2 by electron key 3, realize the release of hanging locking device 4; Can be the electrical verification control module of electroscopic device 2 and the control circuit 48 of hanging locking device 4 provides power supply by the power module in electron key 3, do not need provides power supply separately in electroscopic device 2 and hanging locking device 4; Hanging locking device 4 adopts the driver of Self-retaining electromagnet 46 as link gear, there is no power consumption after locking; Electrical verification is unblanked process completely according to electrification in high voltage whether in high-tension switch cabinet, is not affected by other factors, and electrical verification is unblanked simply, safety and reliable.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (8)
1. an electroscopic device, it is characterized in that: it comprises the reduction voltage circuit module, electrical verification control module and the electrical verification interface (21) that connect successively, reduction voltage circuit module is connected with the high pressure sensor (1) being arranged on high-tension switch cabinet mesohigh electric wire, electrical verification interface (21) matches with electron key (3), for providing unpaired message or the information of unblanking to electron key (3).
2. electroscopic device according to claim 1, is characterized in that: it also comprises rectification module, and rectification module is connected between reduction voltage circuit module and electrical verification control module.
3. electroscopic device according to claim 2, is characterized in that: it also comprises Voltage stabilizing module, and Voltage stabilizing module is connected between rectification module and electrical verification control module.
4. electroscopic device according to claim 2, is characterized in that: it also comprises the display control module and the charged display lamp (22) that are connected, and display control module is connected with rectification module.
5. electroscopic device according to claim 1, is characterized in that: it also comprises nuclear phase inspection hole (23), and nuclear phase inspection hole (23) is connected with reduction voltage circuit module.
6. electroscopic device according to claim 1, is characterized in that: electrical verification interface (21) adopts aviation interface.
7. electroscopic device according to claim 1, is characterized in that: electrical verification control module adopts MUC controller.
8. a high-tension switch cabinet, it has the electroscopic device described in any one in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685490.4U CN203759766U (en) | 2013-10-31 | 2013-10-31 | Device for verification of live part and high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320685490.4U CN203759766U (en) | 2013-10-31 | 2013-10-31 | Device for verification of live part and high voltage switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN203759766U true CN203759766U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320685490.4U Expired - Lifetime CN203759766U (en) | 2013-10-31 | 2013-10-31 | Device for verification of live part and high voltage switch cabinet |
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| Country | Link |
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| CN (1) | CN203759766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105069877A (en) * | 2015-08-06 | 2015-11-18 | 华电北瑞电气(北京)有限公司 | High-voltage switch cabinet non-contact electrical inspection unlocking system |
-
2013
- 2013-10-31 CN CN201320685490.4U patent/CN203759766U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105069877A (en) * | 2015-08-06 | 2015-11-18 | 华电北瑞电气(北京)有限公司 | High-voltage switch cabinet non-contact electrical inspection unlocking system |
| CN105069877B (en) * | 2015-08-06 | 2018-09-11 | 华电北瑞电气(北京)有限公司 | High-tension switch cabinet non-contact electricity testing unlocking system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
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| CX01 | Expiry of patent term |