CN205921213U - Terminal box - Google Patents

Terminal box Download PDF

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Publication number
CN205921213U
CN205921213U CN201620801144.1U CN201620801144U CN205921213U CN 205921213 U CN205921213 U CN 205921213U CN 201620801144 U CN201620801144 U CN 201620801144U CN 205921213 U CN205921213 U CN 205921213U
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China
Prior art keywords
terminal
terminal box
secondary side
voltage
phase
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Active
Application number
CN201620801144.1U
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Chinese (zh)
Inventor
郑欣
郭铭海
马文婧
周仕杰
林亚培
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Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangzhou Power Supply Bureau Co Ltd
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Priority to CN201620801144.1U priority Critical patent/CN205921213U/en
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Abstract

The utility model relates to a terminal box, include: box, the terminal of locating the box lateral wall, magnetic latching relay and transfer relay, terminal box's combined floodgate output anode is connected to magnetic latching relay's action anode, and terminal box's separating brake output anode is connected to the involution anode, and terminal box's separating brake output negative terminal is connected to action and the public negative terminal of involution, and nodal connection terminal box's closing coils wiring end is normally opened to the first alternating current power supply live wire end of normally opening nodal connection terminal box, second, a normally -close node of transfer relay connects terminal box's A looks AB line voltage TV secondary side voltage end, and the 2nd normally -close node connects terminal box's alternating current power supply live wire end, and nodal connection terminal box's load side AB line voltage TV secondary side voltage end is normally opened to the third, and terminal box's load side AB line voltage TV secondary side voltage end is connected to first control coil end, and terminal box's B looks BC line voltage TV secondary side voltage end is connected to second control coil end.

Description

Terminal box
Technical field
This utility model is related to technical field of electric power, more particularly to a kind of terminal box.
Background technology
Terminal box can be widely used in all kinds of transmission lines of electricity of power system for wiring and line inspection provides convenient because of it In.The terminal box of power system generally includes the casing for waterproof, above-mentioned casing is arranged multiple for connecting power transmission line Road or all kinds of binding posts of transmission facility, each terminal of terminal box is generally set with transmission line of electricity in power system or transmission of electricity Corresponding port in standby is connected, and a phase current terminal of such as terminal box connects a phase current end in transmission line of electricity, so that on State terminal box and can access corresponding power system and be operated.
Above-mentioned terminal box is when carrying out the replacing of transmission line of electricity, it usually needs carry out power down process, and easily impact is accordingly defeated The normal work of electric line, thus reduce the work efficiency of transmission line of electricity.
Utility model content
Based on this it is necessary to easily affect the normal work of corresponding transmission line of electricity for conventional terminal case, thus reducing defeated The technical problem of the work efficiency of electric line, provides a kind of terminal box.
A kind of terminal box, comprising: casing, the terminal located at wall box, magnetic latching relay and switching relay;
Described terminal includes combined floodgate output plus terminal, separating brake output plus terminal, separating brake output negative terminal, alternating current power supply zero line, conjunction Lock winding wiring, a phase ab line voltage tv secondary side voltage end, load side ab line voltage tv secondary side voltage end and bc line electricity Pressure tv secondary side voltage end;
The combined floodgate output plus terminal of the action anode connection terminal case of described magnetic latching relay, the involution of magnetic latching relay The separating brake output plus terminal of anode connection terminal case, the separating brake of the action of magnetic latching relay and involution public negative terminal connection terminal case Output negative terminal, the alternating current power supply zero line of the sub- case of the first normally opened node connection of magnetic latching relay, the second normally opened node is even The closing coil terminals of connecting terminal case;
The a phase ab line voltage tv secondary side voltage end of the sub- case of the first normally closed node connection of described switching relay, cuts Change the alternating current power supply zero line of the sub- case of the second normally closed node connection of relay, the 3rd normally opened node of switching relay connects The load side ab line voltage tv secondary side voltage end of terminal box, the first control coil end connection terminal case of switching relay negative Lotus side ab line voltage tv secondary side voltage end, the b phase bc line voltage of the second control coil end connection terminal case of switching relay Tv secondary side voltage end.
Above-mentioned terminal box, arranges multiple terminals in wall box, each terminal above-mentioned is respectively connected to magnetic latching relay And the different pins of switching relay, so that terminal box can be adopted and there is the magnetic latching relay that state keeps function, will be defeated The divide-shut brake control wave entering magnetic latching relay is converted to constant output control signal, maintains above-mentioned magnetic latching relay Continuous firing, in corresponding transmission line of electricity normal work it is also possible to carry out the replacing of above-mentioned terminal box, wirelessly to transmission line of electricity Carry out power down process, the work efficiency of transmission line of electricity can be improved.
Brief description
Fig. 1 is the terminal box structural representation of an embodiment;
Fig. 2 is the terminal definition figure of an embodiment;
Fig. 3 is the terminal box schematic diagram of an embodiment;
Fig. 4 is the switching relay pin schematic diagram of an embodiment;
Fig. 5 is the magnetic latching relay pin schematic diagram of an embodiment.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the terminal box that the present invention provides is described in detail.
With reference to Fig. 1, Fig. 1 show the internal structure schematic diagram of the terminal box of an embodiment, comprising: casing 11, located at The terminal of wall box, magnetic latching relay 30 and switching relay 50;
Described terminal includes combined floodgate output plus terminal hz+, separating brake output plus terminal fz+, separating brake output negative terminal hz- (fz-), exchange Power firestreak end acl, closing coil terminals hq, a phase ab line voltage tv secondary side voltage end 1tva, load side ab line voltage tv Secondary side voltage end 2tva and bc line voltage tv secondary side voltage end 1/2tvb;
The combined floodgate output plus terminal hz+ of the action anode dz+ connection terminal case of described magnetic latching relay 30, magnetic keeps relay The separating brake output plus terminal fz+ of the involution anode fg+ connection terminal case of device 30, the action of magnetic latching relay 30 and involution are public negative Separating brake output negative terminal hz- (fz-) of end com connection terminal case, the first normally opened node no1 connection terminal of magnetic latching relay 30 Alternating current power supply zero line acl of case, the closing coil terminals hq of the second normally opened node no2 connection terminal case;
The a phase ab line voltage tv secondary side voltage end of the first normally closed node 51 connection terminal case of described switching relay 50 (corresponding a phase) 1tva, alternating current power supply zero line acl of the second normally closed node 53 connection terminal case of switching relay 50, switching Load side ab line voltage tv secondary side voltage end (the corresponding load side a of the 3rd normally opened node 52 connection terminal case of relay 50 Phase) 2tva, the load side ab line voltage tv secondary side voltage of the first control coil end 54 connection terminal case of switching relay 50 End 2tva, the b phase bc line voltage tv secondary side voltage end of the second control coil end 55 connection terminal case of switching relay is (corresponding B phase) 1/2tvb.
The terminal box that the present embodiment provides, arranges multiple terminals in casing 10 side wall, each terminal above-mentioned is respectively connected to Magnetic latching relay 30 and the different pins (end) of switching relay 50, make terminal box can keep function using having state Magnetic latching relay 30, by input magnetic latching relay 30 divide-shut brake control wave be converted to constant output control letter Number, maintain the continuous firing of above-mentioned magnetic latching relay 30, in corresponding transmission line of electricity normal work it is also possible to carry out above-mentioned end The replacing of sub- case, wirelessly carries out power down process to transmission line of electricity, can improve the work efficiency of transmission line of electricity.
In one embodiment, above-mentioned terminal can also include: a phase current end ia, b phase current end ib, c phase current end Ic, phase current common port in, zero-sequence current end i0, zero-sequence current end common port i0com, c phase bc line voltage tv secondary side voltage End (corresponding c phase) 1tvc, residual voltage end 1tv-da, residual voltage end common port 1tv-dn, conjunction position end hw, point position end fw, conjunction Lock energy storage common port (combined floodgate energy storage com), energy storage cn anode cn+, non-energy storage position wcn, remote signalling common port yxcom, switch pressure Low side qyd, alternating current power supply zero line acn, closing coil terminals hq, the first stroke switch terminal dl1 and the second stroke are opened Close terminals dl2.
Each terminal of above-mentioned terminal box can connect the corresponding port in transmission line of electricity, a phase of such as terminal box respectively Current terminal ia connects a phase current end of transmission line of electricity etc., makes above-mentioned terminal box can access corresponding transmission line of electricity and carries out work Make.
As shown in Fig. 2 the terminal of terminal box can be divided into current terminal 1d, voltage terminal 2d, remote control remote communication terminal 3d and Tetra- groups of breaker terminals 4d;Above-mentioned current terminal 1d includes a phase current end ia, b phase current end ib, c phase current end ic, phase current Common port in, zero-sequence current end i0 and zero-sequence current end common port i0com;Voltage terminal 2d includes a phase ab line voltage tv bis- times Side voltage end (corresponding a phase) 1tva, b phase bc line voltage tv secondary side voltage end (corresponding b phase) 1/2tvb, c phase bc line voltage tv Secondary side voltage end (corresponding c phase) 1tvc, load side ab line voltage tv secondary side voltage end 2tva (corresponding load side a phase), zero Sequence voltage end 1tv-da and residual voltage end common port 1tv-dn;Remote control remote communication terminal 3d includes closing position end hw, point position end fw, conjunction Lock energy storage common port (combined floodgate energy storage com), energy storage cn anode cn+, non-energy storage position wcn, remote signalling common port yxcom, output of closing a floodgate Anode hz+, separating brake output plus terminal fz-, separating brake output negative terminal fz+, switch pressure low side qyd;Breaker terminals 4d includes exchanging Power firestreak end acl, alternating current power supply zero line acn, closing coil terminals hq, the first stroke switch terminal dl1 and second Travel switch terminals dl2.
In one embodiment, above-mentioned a phase current end, b phase current end, c phase current end, phase current common port, zero sequence electricity Stream end and zero-sequence current end common port adopt prototype version terminal, more can easily carry out disjunction, short circuit, to ensure debugging dimension Current transformer reliable short circuit during shield feed line automatization terminal.
In one embodiment, above-mentioned a phase ab line voltage tv secondary side voltage end, b phase bc line voltage tv secondary side voltage End, c phase bc line voltage tv secondary side voltage end, load side ab line voltage tv secondary side voltage end, residual voltage end and zero sequence electricity Pressure side common port is respectively adopted fuse type wiring terminal, can install related insurance silk in each voltage terminal above-mentioned, when going out When existing current anomaly excessively stream or short circuit, fuse protection can be carried out.
In one embodiment, above-mentioned conjunction position end, point position end, combined floodgate energy storage common port, energy storage cn anode, non-energy storage position, Remote signalling common port, combined floodgate output plus terminal, separating brake output plus terminal, separating brake output negative terminal, switch pressure low side, alternating current power supply live wire End, alternating current power supply zero line, closing coil terminals, the first stroke switch terminal and the second travel switch terminals are adopted respectively Use fundamental mode binding post;Can be used for transferring into row related signal.
In one embodiment, above-mentioned casing is metal sealing caisson.
As an embodiment, as shown in figure 3, above-mentioned terminal box, chamber door 11 can also be included, described chamber door 11 It is flexibly connected with the side in casing 10 front;Described chamber door 11 size is consistent with casing 10 frontage dimension.
As an embodiment, above-mentioned chamber door and casing junction are provided with waterproof washer, and after described chamber door is closed, compression is anti- Water cushion circle, described chamber door arranges metal buckle.
Above-mentioned casing can be stainless steel material casing, and chamber door can be rustless steel chamber door, and casing adopts opening door to design, Chamber door and casing junction are provided with waterproof washer, and chamber door has metal buckle, close and compress waterproof washer, achievable casing behind the door Hermetically sealed waterproof;Four groups of terminals of box house and two relays (magnetic latching relay and switching relay) are all using leading Rail installation method, compact conformation, neat and facilitate wiring and maintenance, casing can be with using in-wall mounting mode, chest On be designed with below mounting hole.I/O cable turnover terminal box can adopt nylon water-proof cable anchor tip, its master Nylon material to be adopted and sealing rubber ring are made, and structure member includes a fixed seat, and a cable clamp jaw and one compel Tight head, easy installation and reliable, and have can be the features such as clamping cables scope be big, stretching resistance is strong;Waterproof, dust-proof, salt resistance, acidproof Alkali ethanol, oils and fatss and common solvent.
In one embodiment, above-mentioned switching relay can be ac220v using coil voltage, and contact capacity is not less than The relay of ac250v/16a.It specifically can be using the relay of ljqx-13f series, such as ljqx-13f-2z, ljqx- 13f-3z or ljqx-13f-4z etc..
As shown in figure 4, above-mentioned switching relay can include two groups of switch port (first switch port and second switch end Mouthful), above-mentioned first switch port includes the first normally closed node 1, the second normally closed node 5 and the 3rd normally opened node 3, and above-mentioned second opens Close port and include the 3rd normally closed node 2, the 4th normally closed node 6 and the 4th normally opened node 4;Above-mentioned first normally closed node 1 connection end A phase ab line voltage tv secondary side voltage end (the corresponding a phase) 1tva of sub- case, the alternating current of the second normally closed node 5 connection terminal case Source zero line acl, load side ab line voltage tv secondary side voltage end (the corresponding load side a of the 3rd normally opened node 3 connection terminal case Phase) 2tva;3rd normally closed node 2 of above-mentioned second switch port, the 4th normally closed node 6 and the 4th normally opened node 4 can be hanging. In Fig. 4, a phase ab line voltage tv secondary side voltage end (the corresponding a phase) 1tva of the first normally closed node 1 connection terminal case, second is normal Alternating current power supply zero line acl of close node 5 connection terminal case, the load side ab line voltage of the 3rd normally opened node 3 connection terminal case Tv secondary side voltage end (corresponding load side a phase) 2tva, when having 220v voltage between 2tva and 1/2tvb, relay adhesive is simultaneously There is provided working power, otherwise relay not adhesive by 2tva and 1/2tvb, provide working power by 1tva and 1/2tvb.
In one embodiment, above-mentioned magnetic latching relay can be twin coil magnetic latching relay;It can also be little Type power magnetic force keeping relay.
As an embodiment, pin (end) schematic diagram of above-mentioned magnetic latching relay can be as shown in figure 5, in Fig. 5, magnetic Guard relay include action anode dz+, involution anode fg+, action and involution public negative terminal com, the first normally opened node no1 and Second normally opened node no2.The combined floodgate output plus terminal hz+ of above-mentioned action anode dz+ connection terminal case, the involution of magnetic latching relay The separating brake output plus terminal fz+ of anode fg+ connection terminal case, the action of magnetic latching relay and involution public negative terminal com connection end Separating brake output negative terminal hz- (fz-) of sub- case, the alternating current power supply of the first normally opened node no1 connection terminal case of magnetic latching relay Zero line acl, the closing coil terminals hq of the second normally opened node no2 connection terminal case of magnetic latching relay.Above-mentioned magnetic is protected Hold in relay, after magnetic latching relay receives the closing pulse signal of feed line automatization terminal output, can action often close Open node, make on-pole switch coil electricity and close a floodgate, after closing pulse signal output stops, relay node remains closed makes post Upper switch keeps "on" position;After magnetic latching relay receives the separating brake pulse signal that feed line automatization terminal sends, The node of closure can be disconnected, make on-pole switch coil blackout separating brake, after separating brake output of pulse signal stops, relay node is protected Holding normally opened makes on-pole switch keep gate-dividing state.
As an embodiment, can be using the twin coil magnetic latching relay with state holding function, by feeder line certainly The divide-shut brake control wave of dynamicization terminal output is converted to constant output control signal, makes feed line automatization terminal compatible each Plant the on-pole switch of operating mechanism.One line of the combined floodgate control of export twin coil magnetic latching relay of feed line automatization terminal Circle, the another one coil of the separating brake control of export twin coil magnetic latching relay of feed line automatization terminal, mainly utilize magnetic to protect Hold the state memorization function of relay, the pulse output of feed line automatization terminal is changed into constant holding output.When magnetic is protected Hold after relay receives the closing pulse signal that feed line automatization terminal sends, action can close normally opened node, make on-pole switch Closing coil is energized and closes a floodgate, and after closing pulse signal output stops, relay node remains closed makes switch keep "on" position;After magnetic latching relay receives the separating brake pulse signal that feed line automatization terminal sends, the meeting normally opened node of involution, Make breaker coil power-off separating brake, after separating brake output of pulse signal stops, relay node maintains a normally open makes chopper continue It is in gate-dividing state.
It is ac220v using coil voltage, contact capacity is not less than the relay of ac250v/16a as on-pole switch and feedback Line automation terminal works power supply automatically switches (mains side power taking or load side power taking), compares A.C. contactor, contact capacity On the premise of the demand of equipment longtime running can be met, there is the more low advantage of the less cost of volume.
Using binding post, the current terminal of on-pole switch, voltage terminal, remote control remote communication terminal are transferred, wherein, Current terminal adopts prototype version binding post, can conveniently carry out disjunction, short circuit function it is ensured that debugging maintenance feeder automation is whole Current transformer reliable short circuit during end;Voltage terminal adopts fuse-type terminal, and built-in electric fuse, when current anomaly excessively stream Or during short circuit, fusible is protected, and remote control remote communication and on-pole switch binding post adopt fundamental mode terminal, it is used for carrying out signal turning Connect, connection can be controlled according to on-pole switch type selecting.
As an embodiment, above-mentioned terminal box can include a metal sealing waterproof box body and current terminal, electricity Pressure side, remote control remote communication terminal, four groups of terminals of breaker connecting terminal, magnetic latching relay and switching relay terminal case can Wait until the signal converting of feed line automatization terminal for realizing primary equipment on-pole switch and pt.Due to magnetic latching relay tool There is state to keep function, the divide-shut brake pulse control signal of feed line automatization terminal can be converted to the control that state keeps output Signal, makes the on-pole switch of the compatible various operating mechanisms of feed line automatization terminal, reduces the supporting feed line automatization terminal of switch and changes Make project cost;Switching relay is the relay comprising two groups of normally-open normally-close contacts, is switched normally opened and normal by control coil Closed contact, for the automatic switchover of terminal box and feed line automatization terminal working power.Current terminal adopts prototype version terminals Son, it has disjunction, short circuit function, realizes on-pole switch current signal to the switching of feed line automatization terminal;Voltage terminal is adopted Use fuse-type terminal, there is current anomaly fuse protection function, for primary equipment pt output to feed line automatization terminal The switching of power input;Remote control, remote signalling terminal and breaker connecting terminal adopt fundamental mode terminal, are used for carrying out signal converting; In practical application, the cable of on-pole switch and feed line automatization terminal input and output is entered through nylon water-proof cable anchor tip Terminal box, and the interface definition according to external switch and feed line automatization terminal, are connected to corresponding terminal and can achieve that electric current is mutual The sensor visualization anti-open circuit of short circuit, voltage transformer output anti-overflow short circuit, can charged for replacement feed line automatization terminal, compatible each Plant the functions such as the on-pole switch of operating mechanism.
Above-mentioned on-pole switch includes 10kv (kilovolt), 20kv circuit pole-mounted circuit breaker, on-load switch, isolation on-load switch Deng.Pole-mounted circuit breaker can close, carry, cut-offfing operating loop normal current, also can regulation time in close, carry and Cut-off the overload (inclusion short circuit current) of regulation.It is mainly used in the switching of the big branch of distribution line or user, control, protection.Post Load switch can close, carry and cut-off circuit under the normal condition of loop, and under the abnormal loop condition of regulation, Fault current is carried in the time of regulation.It is mainly used in the segmentation of circuit and the isolation of fault.Isolation on-load switch has carrying With the electric current of the overload condition of regulation (include) under division normal condition, and can close, carry abnormal (as short-circuit) electric current Ability.It is mainly used in the segmentation of circuit and the isolation of fault.In open position, there is clearly visible fracture.Can meet to load The requirement of switch defined, and have a kind of on-load switch of disconnecting switch function concurrently simultaneously.
As an embodiment, the electric current of on-pole switch and control cable, mains side and load side voltage transformer (sps1, sps2) cable enters terminal box (dzx) through water-proof cable anchor tip, is linked into internal terminal or relay module one End, ct, pt, yx/yk cable of feed line automatization terminal (ftu) enters terminal box (dzx) through water-proof cable anchor tip, and connects To terminal or the relay module other end.
Each technical characteristic of embodiment described above can arbitrarily be combined, for making description succinct, not to above-mentioned reality The all possible combination of each technical characteristic applied in example is all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all it is considered to be the scope of this specification record.
Embodiment described above only have expressed several embodiments of the present utility model, and its description is more concrete and detailed, But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that the common skill for this area For art personnel, without departing from the concept of the premise utility, some deformation can also be made and improve, these broadly fall into Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.

Claims (10)

1. a kind of terminal box is it is characterised in that include: casing, the terminal located at wall box, magnetic latching relay and switching Relay;
Described terminal includes combined floodgate output plus terminal, separating brake output plus terminal, separating brake output negative terminal, alternating current power supply zero line, closing line Circle terminals, a phase ab line voltage tv secondary side voltage end, load side ab line voltage tv secondary side voltage end and bc line voltage tv Secondary side voltage end;
The combined floodgate output plus terminal of the action anode connection terminal case of described magnetic latching relay, the involution anode of magnetic latching relay The separating brake output plus terminal of connection terminal case, the separating brake output of the action of magnetic latching relay and involution public negative terminal connection terminal case Negative terminal, the alternating current power supply zero line of the sub- case of the first normally opened node connection of magnetic latching relay, the second normally opened node connection The closing coil terminals of sub- case;
The a phase ab line voltage tv secondary side voltage end of the sub- case of the first normally closed node connection of described switching relay, switching continues The alternating current power supply zero line of the sub- case of the second normally closed node connection of electrical equipment, the 3rd normally opened node connection of switching relay The load side ab line voltage tv secondary side voltage end of case, the load side of the first control coil end connection terminal case of switching relay Ab line voltage tv secondary side voltage end, b phase bc line voltage tv bis- of the second control coil end connection terminal case of switching relay Secondary side voltage end.
2. terminal box according to claim 1 is it is characterised in that described terminal also includes: a phase current end, b phase current End, c phase current end, phase current common port, zero-sequence current end, zero-sequence current end common port, c phase bc line voltage tv secondary side voltage End, residual voltage end, residual voltage end common port, conjunction position end, point position end, combined floodgate energy storage common port, energy storage cn anode, non-energy storage Position, remote signalling common port, switch pressure low side, alternating current power supply zero line, closing coil terminals, the first stroke switch terminal and Second travel switch terminals.
3. terminal box according to claim 2 it is characterised in that described a phase current end, b phase current end, c phase current end, Phase current common port, zero-sequence current end and zero-sequence current end common port adopt prototype version terminal.
4. terminal box according to claim 2 is it is characterised in that described a phase ab line voltage tv secondary side voltage end, b phase Bc line voltage tv secondary side voltage end, c phase bc line voltage tv secondary side voltage end, load side ab line voltage tv secondary side voltage End, residual voltage end and residual voltage end common port are respectively adopted fuse type wiring terminal.
5. terminal box according to claim 2 it is characterised in that described conjunction position end, point position end, combined floodgate energy storage common port, Energy storage cn anode, non-energy storage position, remote signalling common port, combined floodgate output plus terminal, separating brake output plus terminal, separating brake output negative terminal, switch gas Force down end, alternating current power supply zero line, alternating current power supply zero line, closing coil terminals, the first stroke switch terminal and second Travel switch terminals are respectively adopted fundamental mode binding post.
6. terminal box according to claim 1 is it is characterised in that described casing is metal sealing caisson.
7. terminal box according to claim 6 is it is characterised in that also include chamber door, described chamber door with casing just The side in face is flexibly connected;Described chamber door size is consistent with casing frontage dimension.
8. terminal box according to claim 7 is it is characterised in that described chamber door and casing junction are provided with waterproof washer, Described chamber door compresses waterproof washer after closing, and described chamber door arranges metal buckle.
9. terminal box according to claim 1 is it is characterised in that described switching relay using coil voltage is Ac220v, contact capacity is not less than the relay of ac250v/16a.
10. terminal box according to claim 1 is it is characterised in that described magnetic latching relay keeps continuing for twin coil magnetic Electrical equipment.
CN201620801144.1U 2016-07-26 2016-07-26 Terminal box Active CN205921213U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620801144.1U CN205921213U (en) 2016-07-26 2016-07-26 Terminal box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620801144.1U CN205921213U (en) 2016-07-26 2016-07-26 Terminal box

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Publication Number Publication Date
CN205921213U true CN205921213U (en) 2017-02-01

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Application Number Title Priority Date Filing Date
CN201620801144.1U Active CN205921213U (en) 2016-07-26 2016-07-26 Terminal box

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113131381A (en) * 2021-05-13 2021-07-16 江苏科技大学 Automatic intelligent maintenance device for ship power station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113131381A (en) * 2021-05-13 2021-07-16 江苏科技大学 Automatic intelligent maintenance device for ship power station

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200925

Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No.

Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd.

Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No.

Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd.