CN201994154U - Full-insulating lightning protection device - Google Patents
Full-insulating lightning protection device Download PDFInfo
- Publication number
- CN201994154U CN201994154U CN2011200778363U CN201120077836U CN201994154U CN 201994154 U CN201994154 U CN 201994154U CN 2011200778363 U CN2011200778363 U CN 2011200778363U CN 201120077836 U CN201120077836 U CN 201120077836U CN 201994154 U CN201994154 U CN 201994154U
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- CN
- China
- Prior art keywords
- lightning arrester
- disconnector
- insulation
- lightning
- insulation shell
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- Expired - Lifetime
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Abstract
The utility model relates to a full-insulating lightning protection device, which comprises an insulating base body with a cable connection device, wherein a lightning protector socket and a disconnector interface are arranged on the body, the lightning protector socket comprises a live wire jack connected with the cable connection device and a neutral wire jack connected with the disconnector interface; a plug-in type lightning protector is in plug-in connection with the live wire jack and the neutral wire jack of the lightning protector socket through a pin led out of an insulating housing of the lightning protector; and the disconnector uses the insulating housing of the disconnector to lead out the power grid connection end and the grounding end, the power grid connection end is connected with the disconnector interface, and a neutral wire of the plug-in type lightning protector is led out of the grounding end. By adopting the full-insulating lightning protection device, a circuit can be well protected, the insulation effect is good, and the full-insulating lightning protection device is waterproof, rainproof, safe and reliable in working and strong in acclimatization capability; the live working can be realized, and a user does not need to worry about the electric shock situation; if the lightning protector fails, the disconnector can act actively to disconnect the lightning protector, thereby protecting a power grid, enabling the power grid to supply power normally and being convenient to perform monitoring and timely replacement.
Description
Technical field
The utility model relates to a kind of lightning arrester, especially a kind of lightning arrester of all insulation.
Background technology
Lightning arrester can discharge thunder and lightning or power system operation overvoltage energy, and the protection electrical equipment is avoided instantaneous overvoltage harm, can block afterflow again, unlikelyly causes the system earth short circuit, is requisite protective device in the electric power system therefore.In electric power system, generally can lightning arrester be installed at the secondary side of terminal transformer, when thunderbolt or electric power system were crossed electricity and taken place, the lightning arrester voltage to earth of secondary side surpassed certain numerical value, can be breakdown, become a new safety ground point, can play the effect of the anti-overvoltage of lightning protection like this, and after voltage recovers normally, the automatic involution of lightning arrester, be in open-circuit condition, make power system recovery normal.The lightning arrester of the above-mentioned type generally all can expose outside at present, and because the particularity of operational environment, the people can not directly touch, and causes casualties otherwise can get an electric shock, and generally need be arranged in indoor or rainproof, the water proof environment, otherwise behind contact water, cause fault easily.At this problem, present comparatively common solution, for outside lightning arrester, installing insulating case additional, prevent that lightning arrester from directly contacting with outside air, though yet so can temporarily guarantee the job security of lightning arrester, in case lightning arrester damages or need remove from electric power system, change because of other reasons, have only and system is cut off the power supply fully just can operate, and the operating time generally can continue will influence system's power supply reliability greatly more than two hours.
Summary of the invention
At the problems referred to above, it is a kind of safer reliable that the utility model provides, but live line working, avoid all insulation lightning arrester of system cut-off.
The utility model is that the technical scheme that its technical problem of solution is adopted is:
The all insulation lightning arrester, comprise: one is provided with the insulating base frame of cable connection device, be provided with lightning arrester socket and disconnector interface on its body, this lightning arrester socket has the line receptacle of stube cable termination, and the neutral receptacle of dockingundocking device interface; One plug-in lightning arrester comprises lightning arrester insulation shell and the pin of being drawn by the lightning arrester insulation shell, and the line receptacle of described pin and lightning arrester socket, neutral receptacle are pegged graft; And a disconnector, comprising the disconnector insulation shell, the disconnector insulation shell leads to electrical network link and earth terminal, and this electrical network link is connected with the disconnector interface, to be drawn the zero line of described plug-in lightning arrester by earth terminal.
Above-mentioned insulating base frame outside is provided with earthing device, and this earthing device is connected with described earth terminal by lead-in wire.
At least two sheet metals that insulating material are set in the above-mentioned lightning arrester insulation shell and isolate by insulating material, be provided with valve block between adjacent two metal sheets, it is outer and number is identical with sheet metal that described pin is arranged at lightning arrester insulation housing front end, and each pin is connected with a sheet metal by metal lead wire.
Above-mentioned lightning arrester socket bumps is in insulating base frame, and described lightning arrester insulation shell front end is provided with bound edge and coats described lightning arrester socket.
Above-mentioned electrical network link and earth terminal are arranged at disconnector insulation shell two ends respectively, be provided with the lead that connects electrical network link and earth terminal in the disconnector insulation shell, be arranged with magnet ring on the lead, be wound with coil on the magnet ring, coil is connected with and is arranged at igniting blasting system in the disconnector insulation shell.
The igniting blasting system comprises the heating resistor and the contiguous quick-fried hot material that is arranged at heating resistor of connecting coil.
Insulating base frame is one moulding by casting or die cast.
The utility model compared with prior art has following advantage:
The whole insulation crust that adopts of the utility model can be good at protection circuit, and insulation effect is good, and can waterproof, rainproof, and safe and reliable, accommodative ability of environment is strong, and the indoor and outdoor all can be used; Coordinated insulation pedestal and plug type lightning arrester can be realized live line working, needn't worry the electric shock situation can take place; Owing to adopt disconnector, if lightning arrester fault, then the disconnector positive action makes lightning arrester break away from, not only protected electrical network, make that electrical network can normal power supply, and, be convenient to the staff and observe owing in appearance obvious indication is arranged, therefore need not to increase other monitoring measures can monitor lightning arrester easily, has saved manpower and materials greatly; And when changing lightning arrester, the utility model needn't be closed electrical network again, makes electrical network operate as normal continuously to have guaranteed to continue power supply reliably.
Description of drawings
Be further detailed below in conjunction with accompanying drawing and concrete enforcement:
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is a fractionation structural representation of the present utility model;
Fig. 3 is the internal structure schematic diagram of plug-in lightning arrester in the utility model;
Fig. 4 is the internal structure schematic diagram of disconnector in the utility model;
Fig. 5 is the circuit theory diagrams of a kind of embodiment of the utility model;
Fig. 6 is the structural representation of insulation shell among a kind of embodiment of the utility model;
Fig. 7 is the wiring schematic diagram of insulation shell among a kind of embodiment of the utility model.
Embodiment
With reference to Fig. 1 and Fig. 2, a kind of all insulation lightning arrester that the utility model provides is mainly used in the secondary side of electrical equipment of low voltage such as transformer, kilowatt-hour meter in the electrical network, and structure mainly is made up of insulating base frame 1, plug-in lightning arrester 2 and disconnector 3.
Wherein: insulating base frame 1 can adopt one moulding by casting or die cast, to guarantee insulated enclosure, it is by inner outgoing cable termination 11, be used to insert electrical network, on body, be provided with lightning arrester socket 12 and disconnector interface 13, lightning arrester socket 12 is used for plug-in mounting plug-in lightning arrester 2, be respectively equipped with line receptacle 121 and neutral receptacle 122, line receptacle 121 is by insulating base frame 1 inside, be wired to cable connection device 11, neutral receptacle 122 is wired to disconnector interface 13 by insulating base frame 1 inside.Plug-in lightning arrester 2 is provided with pin 21, is used for pegging graft fixing with lightning arrester socket 12 corresponding line receptacle 121 or neutral receptacle 122.Disconnector 3 is provided with electrical network link 31 and earth terminal 32, and wherein electrical network link 31 is connected with disconnector interface 13, and earth terminal 32 is guided to external ground, and is like this then form plug-in lightning arrester 3 annexation by disconnector 3 ground connection.
As shown in FIG., preferably can be at insulating base frame 1 outer setting earthing device 14, can be designed to the screw that fixes by connecting ear 41, screw 42, fix a lead-in wire 43, be connected to the earth terminal 32 of disconnector 3 by this lead-in wire 43, will be gone between by connecting ear 41, screw 42 equally 43 is fixed on the earth terminal 32.
As shown in Figure 3, as preferred implementation of the present utility model, plug-in lightning arrester 2 comprises lightning arrester insulation shell 20, is filled in the insulating material 22 in the lightning arrester insulation shell 20, and be arranged at least two sheet metals 23 in the lightning arrester insulation shell 20, sheet metal 23 is kept apart by insulating material 22, be provided with valve block 24 between the adjacent two metal sheets 23,21 of pins are arranged at outside lightning arrester insulation housing 20 front ends, and number is identical with sheet metal 23, and each corresponding pin 21 is connected with a sheet metal 23 by metal lead wire 26.This structure has preferable insulation effect, and result of use is very good.In the utility model, socket number on the lightning arrester socket 12 of sheet metal 23, pin 21 and insulating base frame 1, circuit situation according to the use electrical network, have nothing in common with each other, for example, be applied to the three-phase and four-line circuit, then lightning arrester socket 12 is provided with three line receptacle 121, a neutral receptacle 122, the number of sheet metal 23, pin 21 is then corresponding.
For reaching better insulation, water resistance, lightning arrester socket 12 can be designed to be raised in insulating base frame 1, lightning arrester insulation shell 20 front ends are provided with bound edge 25, be used to coat lightning arrester socket 12, like this after plug-in lightning arrester 2 is plugged on the lightning arrester socket 12, in by the edge of bound edge 25 and lightning arrester socket 12 line receptacle 121, neutral receptacle 122 and pin 21 being sealed in.
As shown in Figure 4, as preferred version of the present utility model, disconnector 3 structures comprise disconnector insulation shell 30, wherein electrical network link 31 and earth terminal 32 are arranged at disconnector insulation shell 30 two ends respectively, be provided with lead 33 between electrical network link 31 and the earth terminal 32, in being sealed in by disconnector insulation shell 30, in addition, be provided with the magnet ring 34 that passes for lead 33 in the disconnector insulation shell 30, be wound with on the magnet ring 34 and can produce faradic coil 35, coil 35 is connected with the igniting blasting system 36 that can be lighted by heat.
Wherein, igniting blasting system 36 comprises the heating resistor 361 and the contiguous quick-fried hot material 362 that is arranged at heating resistor 361 of connecting coil 35, when coil 35 produces induced current, heating resistor 361 heatings, heat is transmitted to quick-fried hot material 362, promptly can produce blast, make the disengaging of opening circuit of lightning arrester and electrical network, can guarantee that therefore the safety of network system normally moves.
The utility model is according to the difference of using electrical network, has different forms of implementation, provided the embodiment that is applied to the ABCO cable as Fig. 5 ~ Fig. 7, after the utility model inserts the ABCO cable by cable connection device 11, its circuit theory such as Fig. 5, wiring signal in the insulation shell 1 is then as Fig. 7, be provided with circuit in the insulation shell 1, there is live wire circuit 15 that plug-in lightning arrester 2 is connected to cable connection device 11 on the one hand, and cable connection device 11 access electrical networks, by a ground path 16 that connects neutral receptacle 122 and disconnector interface 13 plug-in lightning arrester 2 is passed through disconnector 3 ground connection on the other hand.Under the voltage normal condition, lightning arrester of the present utility model can not influence the operate as normal of electrical network, and be struck by lightning or during overvoltage when electrical network, electric energy imports plug-in lightning arrester 2 by cable connection device 11, valve block 24 is breakdown, overcurrent is released through valve block 24, and can not be loaded on the electrical appliance, reaches lightning protection effect; Disconnector 3 is connected in the ground connection side; inoperative under the normal condition, and when equipment was damaged, circuit can produce electric current over the ground; when to earth-current during greater than set point; magnet ring 34 in the disconnector 3 produces electromotive force because of electromagnetic action on coil 35, make heating resistor 361 generate heat; even thermal accumlation is to a certain degree quick-fried hot material 362 blasts; make line broken circuit, and then the device of damage and electrical network are broken away from automatically, reach the purpose of protection electrical network.And because after disconnector 3 blasts, the outward appearance significant change, the staff can identify rapidly; And after device broke away from, the lightning arrester that more renews also can not produce power supply to electrical network and produce any influence.
Through experimental verification, lightning arrester of the present utility model is suitable for the power utilization environment of 100V-1000V.After using this release unit, lightning protection device needn't carry out annual preventive trial, reduce the spending of inaction, the product of release unit after lightning protection device suffers the excessive or deterioration of lightning current breaks away from electrical network, makes arrester device not charged, prevent that accident takes place for the second time, separation time is directly proportional with size of current, guarantees the normal power supply of electrical network, realizes electric power netting safe running, improve the mains supply reliability, reduce the expense of safeguarding greatly.
Claims (7)
1. all insulation lightning arrester is characterized in that comprising:
One is provided with the insulating base frame (1) of cable connection device (11), on its body, be provided with lightning arrester socket (12) and disconnector interface (13), this lightning arrester socket (12) has the line receptacle (121) of stube cable termination (11), and the neutral receptacle (122) of dockingundocking device interface (13);
One plug-in lightning arrester (2) comprises lightning arrester insulation shell (20) and the pin (21) of being drawn by lightning arrester insulation shell (20), and described pin (20) is pegged graft with line receptacle (121), the neutral receptacle (122) of lightning arrester socket (12); And
One disconnector (3), comprise disconnector insulation shell (30), disconnector insulation shell (30) leads to electrical network link (31) and earth terminal (32), this electrical network link (31) is connected with disconnector interface (13), to be drawn the zero line of described plug-in lightning arrester (3) by earth terminal (32).
2. all insulation lightning arrester according to claim 1 is characterized in that: the body exterior of described insulating base frame (1) is provided with earthing device (14), and this earthing device (14) is connected with described earth terminal (32) by lead-in wire.
3. all insulation lightning arrester according to claim 1 and 2, it is characterized in that: at least two sheet metals (23) that insulating material (22) are set in the described lightning arrester insulation shell (20) and isolate by insulating material, be provided with valve block (24) between the adjacent two metal sheets (23), it is outer and number is identical with sheet metal (23) that described pin (21) is arranged at lightning arrester insulation housing (20) front end, and each pin (21) passes through metal lead wire (6) and is connected with a sheet metal (23).
4. all insulation lightning arrester according to claim 3 is characterized in that: described lightning arrester socket (12) is raised in insulating base frame (1), and described lightning arrester insulation shell (20) front end is provided with bound edge (25) and coats described lightning arrester socket (12).
5. all insulation lightning arrester according to claim 1 and 2, it is characterized in that: described electrical network link (31) and earth terminal (32) are arranged at disconnector insulation shell (30) two ends respectively, be provided with the lead (33) that connects electrical network link (31) and earth terminal (32) in the disconnector insulation shell (30), be arranged with magnet ring (34) on the lead (33), be wound with coil (35) on the magnet ring (34), coil (35) is connected with and is arranged at igniting blasting system (36) in the disconnector insulation shell (30).
6. all insulation lightning arrester according to claim 5 is characterized in that: described igniting blasting system (36) comprises the heating resistor (361) and the contiguous quick-fried hot material (362) that is arranged at heating resistor (361) of connecting coil (35).
7. all insulation lightning arrester according to claim 1 is characterized in that: insulating base frame (1) is one moulding by casting or die cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200778363U CN201994154U (en) | 2011-03-23 | 2011-03-23 | Full-insulating lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200778363U CN201994154U (en) | 2011-03-23 | 2011-03-23 | Full-insulating lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994154U true CN201994154U (en) | 2011-09-28 |
Family
ID=44670634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200778363U Expired - Lifetime CN201994154U (en) | 2011-03-23 | 2011-03-23 | Full-insulating lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994154U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610342A (en) * | 2011-03-23 | 2012-07-25 | 何排枝 | Full-insulated lightning arrester |
| CN103065857A (en) * | 2013-02-04 | 2013-04-24 | 吉林省电力有限公司电力科学研究院 | Carrier wave communication purpose disconnecting switch |
-
2011
- 2011-03-23 CN CN2011200778363U patent/CN201994154U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610342A (en) * | 2011-03-23 | 2012-07-25 | 何排枝 | Full-insulated lightning arrester |
| CN103065857A (en) * | 2013-02-04 | 2013-04-24 | 吉林省电力有限公司电力科学研究院 | Carrier wave communication purpose disconnecting switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110928 Effective date of abandoning: 20131009 |
|
| RGAV | Abandon patent right to avoid regrant |