CN209329780U - A kind of plant-grid connection device - Google Patents

A kind of plant-grid connection device Download PDF

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Publication number
CN209329780U
CN209329780U CN201920154400.6U CN201920154400U CN209329780U CN 209329780 U CN209329780 U CN 209329780U CN 201920154400 U CN201920154400 U CN 201920154400U CN 209329780 U CN209329780 U CN 209329780U
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China
Prior art keywords
switch
distribution box
branch
inlet wire
source inlet
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CN201920154400.6U
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刘文发
侯少文
赫洋
李晓
唐茂华
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Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Abstract

The utility model discloses a kind of plant-grid connection devices, transition distribution box including being equipped with generator power supply, main line switch and branch switch, the generator power supply is connected with the opening and closing end that the main line switchs, the connecting pin of the main line switch is connected with the opening and closing end of the branch switch, the connecting pin of the branch switch is connected with backup power source inlet wire, and the backup power source inlet wire, which is connected, to be pierced by from the transition distribution box and be connected with distribution box.Above-mentioned apparatus is at low cost, easy to assembly easy to operate, can be used for a long time after primary assembling, change electricity without mutual disassembly, have access to the electric system of facing of various situations, adaptable.

Description

A kind of plant-grid connection device
Technical field
Face electric system technical field the utility model relates to architectural engineering, in particular to a kind of plant-grid connection device.
Background technique
Electric system is faced in architectural engineering, and " alternating current " single supply is mostly used to power.The more complicated site environment of engineering, so that The phenomenon that " sudden power failure ", is frequent occurrence.After power failure, " backup power source " access and " alternating current " switching mostly use the people of most original Work dismounts mode, time-consuming, seriously affects normal office, production, and have some potential safety problems.Engineering site often compares Remoter, bad environments, municipal auxiliary facility is simple, and " intelligent automatic start stop apparatus " and " dual power supply case " etc. are relative complex Power transfer device is difficult to apply.
Architectural engineering scene " facing electricity " system is usually hindered and damaged by various situations, including cable bad, overload event Barrier, the necessary line adjustment of engineering etc., the phenomenon that therefore " having a power failure ", are more frequent.Engineering often uses diesel-driven generator as standby electricity Electric system is faced in source, access, and conventional way: mutual disassembly's consumer unit " alternating current " inlet wire cable connects generator power supply cable To the upper end of consumer unit master switch.Which is cumbersome, time-consuming work consuming, cannot quick Switching power, influence scene It uses, wastes electric energy.Therefore, it is interim standby as means Switching power, general using artificial dismounting how to provide a kind of substitution tradition The technical issues of plant-grid connection device of distribution box is those skilled in the art's urgent need to resolve is quickly accessed with power supply.
Utility model content
The purpose of the utility model is to provide a kind of plant-grid connection device, the installation cost is low, easy to assembly easy to operate, It can be used for a long time after primary assembling, change electricity without mutual disassembly, have access to the electric system of facing of various situations, it is adaptable.
To achieve the above object, the utility model provides a kind of plant-grid connection device, including is equipped with generator power supply, main line The transition distribution box of switch and branch switch, the generator power supply are connected with the opening and closing end that the main line switchs, the main line The connecting pin of switch is connected with the opening and closing end of the branch switch, connecting pin and the backup power source inlet wire phase of the branch switch Even, the backup power source inlet wire is connected and is pierced by from the transition distribution box and is connected with distribution box.
Preferably, the distribution box at least two is equipped in the transition distribution box identical as the distribution box number And be connected in parallel on the branch switch of the connecting pin of main line switch, the backup power source inlet wire respectively with the corresponding branch Way switch is connected and accesses the corresponding distribution box.
Preferably, the distribution box includes the first distribution box and the second distribution box, is equipped with parallel connection in the transition distribution box The first branch switch and second branch switch of the connecting pin of switch on the main line, the first branch switchs and first is spare Electric power incoming line is connected, and the first backup power source inlet wire is connected with first distribution box, and second branch switchs and second is spare Electric power incoming line is connected, and the second backup power source inlet wire is connected with second distribution box.
Preferably, the first urban electric power switch, the city opening and closing Duan Yu of first urban electric power switch are equipped in first distribution box Power supply is connected, and the connecting pin of first urban electric power switch is connected with the first backup power source inlet wire and accesses first distribution box Electrical equipment circuit.
Preferably, the second urban electric power switch, the city opening and closing Duan Yu of second urban electric power switch are equipped in second distribution box Power supply is connected, and the connecting pin of second urban electric power switch is connected with the second backup power source inlet wire and accesses second distribution box Electrical equipment circuit.
Preferably, there should be clearly visible breakpoint when the main line switch and the branch switch are disjunction and can open By the disconnecting switch of disjunction power supply.
Preferably, there should be clearly visible breakpoint when first urban electric power switch is disjunction and can open by disjunction power supply Disconnecting switch.
Preferably, there should be clearly visible breakpoint when second urban electric power switch is disjunction and can open by disjunction power supply Disconnecting switch.
Relative to above-mentioned background technique, plant-grid connection device provided by the utility model include equipped with generator power supply, The transition distribution box and distribution box of main line switch and branch switch, by setting generator power supply to provide electricity when temporary power Power source is switched by setting main line to control to be closed main line when needing temporary power and switch and generator power supply is enabled to lead to Electric energy is conveyed outside overdrying road direction, temporary power is being needed to control by setting branch switch and is being closed the premise of main line switch Lower closure branch switch enables generator power supply to convey electric energy outward by branch, will be propped up by setting backup power source inlet wire The connecting pin of way switch is connected with distribution box, i.e., transition distribution box is connected with distribution box to realize and need temporary power and Successively closure main line switch and generator power supply after branch switch pass through backup power source inlet wire to distribution box temporary power, the device It is at low cost, easy to assembly easy to operate, it can be used for a long time after primary assembling, change electricity without mutual disassembly, have access to various feelings Condition faces electric system, adaptable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the circuit diagram of dual power supply case in the prior art;
Fig. 2 is the circuit diagram of plant-grid connection device provided by the embodiment of the utility model.
Wherein: 1- dual power supply case, 11- generator power supply, 12- mains supply, 13- twin-power switch, 2- transition distribution box, The main line 21- switch, 22- branch switch, the 221- first branch switch, 222- second branch switch, the first distribution box of 3-, 31- One urban electric power switch, the second distribution box of 4-, the second urban electric power switch 41-, 5- distribution box.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically The utility model is described in further detail for embodiment.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 is the circuit diagram of dual power supply case in the prior art, and Fig. 2 is that the utility model is real The circuit diagram of the plant-grid connection device of example offer is provided.
In the circuit diagram for the dual power supply case 1 that Fig. 1 prior art provides, by setting twin-power switch 13 and by generator Power supply 11 and mains supply 12 are connected with two opening and closing ends of twin-power switch 13 respectively, i.e., in the case where not shutting off power in emergency It is closed by control twin-power switch 13 and mains supply 12 and is disconnected with generator power supply 11, need temporarily to supply shutting off power in emergency It is closed in the case where electricity by control twin-power switch 13 and generator power supply 11 and is disconnected with mains supply 12;Twin-power switch Electrical equipment circuit is accessed in 13 connecting pin always, i.e., is closed by control twin-power switch 13 from different opening and closing ends to switch It is connected into the power supply of electrical equipment circuit.The dual power supply case 1 needs for mains supply 12 and generator power supply 11 to be arranged in same electricity It is more convenient compared to the artificial dismounting mode of most original in the case of source, but the set-up mode of power transfer device is relative complex, Not only higher cost, the interim extreme environment such as be not suitable for outdoor scene, and the temporary electricity engineering for having laid completion Dual power supply case 1 can not be accessed in the later period, though it is larger by cost is torn down and reconstructed in the access original system of dual power supply case 1, therefore the prior art In the layout of dual power supply case 1 it is limited, it is difficult to be flexibly applied to various environment.
Therefore, in the first specific embodiment, plant-grid connection device disclosed by the utility model includes being equipped with hair The transition distribution box 2 of motor power 11, main line switch 21 and branch switch 22, in transition distribution box 2, generator power supply 11 Output end is connected with the opening and closing end of main line switch 21, and the connecting pin of main line switch 21 is connected with the opening and closing end of branch switch 22, branch The connecting pin of way switch 22 is connected with backup power source inlet wire, backup power source inlet wire be pierced by from transition distribution box 2 and with distribution box 5 It is connected.When needing interim enabling backup power source, that is, generator power supply 11, it is successively closed main line switch 21 and branch switch 22, is led to Backup power source inlet wire is crossed to connect generator power supply 11 and distribution box 5, it is interim to distribution box 5 via transition distribution box 2 to realize The effect of power supply.
In another specific embodiment, distribution box 5 at least two is equipped in transition distribution box 2 and distribution box 5 Quantity it is identical and be connected in parallel on the branch switch 22 of the connecting pin of main line switch 21, each branch switch 22 and corresponding standby electricity Source inlet wire is connected, and each backup power source inlet wire accesses in corresponding distribution box 5.It should be noted that if distribution box 5 be it is multiple, Then branch switch 22 is multiple branch switch 22 of quantity identical as distribution box 5, the connection of i.e. main line switch 21 correspondingly End is parallel with the circuit branch of quantity identical as distribution box 5, and each circuit branch has corresponding branch switch 22 to be opened Disconnected control, on this basis, each circuit branch are all connected with corresponding backup power source inlet wire, each backup power source inlet wire access In corresponding distribution box 5.Specifically, distribution box 5 includes the first distribution box 3 and the second distribution box 4, set in transition distribution box 2 There are the first branch switch 221 and second branch switch 222 of the connecting pin for being connected in parallel on main line switch 21, first branch switch 221 It is connected with the first backup power source inlet wire, the first backup power source inlet wire and the first distribution box are connected, second branch switch 222 and second Backup power source inlet wire is connected, and the second backup power source inlet wire and the second distribution box are connected.Pass through two circuit branch of setting and difference The on-off of the first backup power source inlet wire and the second backup power source inlet wire that are connected into the first distribution box 3 and the second distribution box 4 is controlled, To realize power supply of the transition distribution box 2 to the first distribution box 3 and the second distribution box 4, first branch switch 221 and second branch are opened Close 222 two circuit branch that are mutually indepedent and controlling the parallel connection at the connecting pin of main line switch 21 respectively.It should be noted that The first distribution box 3 is set by distribution box 5 and the second distribution box 4 is only merely a kind of set-up mode given by the present embodiment, Third distribution box, the 4th distribution box etc. can also be further set, it is only necessary to the connecting pin parallel circuit of switch 21 on main line Branch and the corresponding branch switch 22 for adding respective branch, for example, corresponding to third distribution box third branch switch and correspond to No matter the 4th branch switch etc. of 4th distribution box selects that how many distribution box 5 are arranged and further do corresponding arrangement all to answer Belong to the declared range of the present embodiment.
For superior technique effect, mains supply 12 and opening and closing end and 12 phase of mains supply are equipped in distribution box 5 Urban electric power switch even, the connecting pin of urban electric power switch is connected with backup power source inlet wire and accesses the electrical equipment circuit in distribution box 5 It is used with realizing that the electric energy in transition distribution box 2 delivers into distribution box 5 via backup power source inlet wire with electricity supply and use equipment.It needs It is noted that the opening and closing end of urban electric power switch is arranged in mains supply 12 in the present embodiment, so that control urban electric power switch is with reality The connecting pin of urban electric power switch is arranged in the access and disconnection of existing mains supply and electrical equipment circuit, backup power source inlet wire, namely On-off of the control action without influencing whether backup power source inlet wire only is played to mains supply 12 in urban electric power switch.In the present embodiment In, if setting the first distribution box 3 and the second distribution box 4 for distribution box 5, the first alternating current is correspondingly provided in the first distribution box 3 Switch 31, is correspondingly provided with the second urban electric power switch 41 in the second distribution box 4, and the first urban electric power switch 31 and the second urban electric power switch 41 have Beneficial effect should be identical with the above process, no longer repeats one by one here.
In the present embodiment, above-mentioned such as main line switch 21, branch switch 22 and urban electric power switch all should be disjunction Shi Yingyou Clearly visible breakpoint simultaneously can open the disconnecting switch by disjunction power supply, please refer to existing skill as the set-up mode of disconnecting switch Art, which is not described herein again.
In order to relatively sharp understanding plant-grid connection device provided by the utility model, now distribution box 5 to be arranged Using effect for the plant-grid connection device in the embodiment of the first distribution box 3 and the second distribution box 4 is explained.In alternating current electricity When 12 regular supply of source, whole switches in transition distribution box 2 keep gate-dividing state namely main line switch 21, the first branch to open Pass 221 and second branch switch 222 disconnect, so that generator power supply 11 is disconnected, it is contemplated that backup power source inlet wire connects always Electriferous state can be always maintained in the connecting pin of urban electric power switch by connecing, thus must be strictly controlled the switch in transition distribution box 2 with Avoid backup power source be strayed into municipal power grid or mains supply 12 conflict with generator power supply 11 short circuit danger.Stop suddenly Before electricity, check that the switch in transition distribution box 2 should keep gate-dividing state, the switch in the first distribution box 3 and the second distribution box 4 Namely first urban electric power switch 31 and the second urban electric power switch 41 should keep "on" position.Mains supply 12 due to having a power failure suddenly no longer When electrical equipment circuit into distribution box 5 supplies electric energy, whole urban electric power switch in distribution box 5 should be subjected to separating brake behaviour first Make, the second urban electric power switch 41 in the first urban electric power switch 31 and the second distribution box 4 in the first distribution box 3 is also subjected to separating brake Then main line switch 21 in transition distribution box 2 is carried out closing operation by operation, complete main line switch 21 carrying out combined floodgate behaviour Branch switch 22 is closed a floodgate again after work, also first branch switch 221 and second branch switch 222 close a floodgate, is needed It is noted that if a certain distribution box 5, which does not need temporary power, can not have to be closed its corresponding branch switch 22.Generator Power supply 11 is on the basis of main line switch 21 and corresponding branch switch 22 successively be closeds, the distribution box 5 that is connected to correspondence branch Electric energy is conveyed via backup power source inlet wire.After alternating current incoming call, it is defeated outward to stop generator power supply 11 to be first shut off generator Then whole switches in transition distribution box 2 are carried out operation of operating a switch, switched by the whole in transition distribution box 2 by power transmission energy Operate a switch and the urban electric power switch in distribution box 5 to be subjected to closing operation again after operation, from mains supply 12 to electrical equipment circuit It is powered, namely main line switch 21, first branch switch 221 and second branch switch 222 is subjected to sub-switching operation first, so The first urban electric power switch 31 and the second urban electric power switch 41 are subjected to closing operation afterwards, it should be noted that if a certain distribution box 5 is not Need temporary power that can not have to be closed its corresponding urban electric power switch, but on condition that first by transition distribution box after alternating current incoming call Whole switches in 2 carry out operation of operating a switch.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual Relationship or sequence.
Plant-grid connection device provided by the utility model is described in detail above.It is used herein specifically a Example is expounded the principles of the present invention and embodiment, this reality that the above embodiments are only used to help understand With novel method and its core concept.It should be pointed out that for those skilled in the art, not departing from this Under the premise of utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification are also fallen Enter in the protection scope of the utility model claims.

Claims (8)

1. a kind of plant-grid connection device, which is characterized in that opened including being equipped with generator power supply (11), main line switch (21) and branch The transition distribution box (2) of (22) is closed, the generator power supply (11) is connected with the opening and closing end of main line switch (21), described dry The connecting pin of way switch (21) is connected with the opening and closing end of the branch switch (22), the connecting pin of the branch switch (22) with it is standby With electric power incoming line be connected, the backup power source inlet wire be connected be pierced by from the transition distribution box (2) and with distribution box (5) phase Even.
2. plant-grid connection device according to claim 1, which is characterized in that the distribution box (5) at least two, it is described Connecting pin that is identical as the distribution box (5) quantity and being connected in parallel on the main line switch (21) is equipped in transition distribution box (2) The branch switch (22), the backup power source inlet wire are connected and access corresponding with the corresponding branch switch (22) respectively The distribution box (5).
3. plant-grid connection device according to claim 2, which is characterized in that the distribution box (5) includes the first distribution box (3) and the second distribution box (4) the of the connecting pin for being connected in parallel on the main line switch (21), is equipped in the transition distribution box (2) One branch switch (221) and second branch switch (222), the first branch switch (221) and the first backup power source inlet wire phase Even, the first backup power source inlet wire is connected with first distribution box (3), and second branch switchs (222) and the second standby electricity Source inlet wire is connected, and the second backup power source inlet wire is connected with second distribution box (4).
4. plant-grid connection device according to claim 3, which is characterized in that be equipped with first in first distribution box (3) The opening and closing end of urban electric power switch (31), first urban electric power switch (31) is connected with mains supply (12), first urban electric power switch (31) connecting pin is connected with the first backup power source inlet wire and accesses the electrical equipment circuit of first distribution box (3).
5. plant-grid connection device according to claim 3, which is characterized in that be equipped with second in second distribution box (4) The opening and closing end of urban electric power switch (41), second urban electric power switch (41) is connected with mains supply (12), second urban electric power switch (41) connecting pin is connected with the second backup power source inlet wire and accesses the electrical equipment circuit of second distribution box (4).
6. plant-grid connection device according to any one of claims 1 to 5, which is characterized in that main line switch (21) and The branch switch (22) should have clearly visible breakpoint when being disjunction and can open the disconnecting switch by disjunction power supply.
7. plant-grid connection device according to claim 4, which is characterized in that when first urban electric power switch (31) is disjunction There should be clearly visible breakpoint and the disconnecting switch by disjunction power supply can be opened.
8. plant-grid connection device according to claim 5, which is characterized in that when second urban electric power switch (41) is disjunction There should be clearly visible breakpoint and the disconnecting switch by disjunction power supply can be opened.
CN201920154400.6U 2019-01-28 2019-01-28 A kind of plant-grid connection device Active CN209329780U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110658412A (en) * 2019-10-31 2020-01-07 刘新东 5G base station power supply monitoring system, method, medium and equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110658412A (en) * 2019-10-31 2020-01-07 刘新东 5G base station power supply monitoring system, method, medium and equipment
CN110658412B (en) * 2019-10-31 2021-12-03 湖北源网汇融能源技术有限公司 5G base station power supply monitoring system, method, medium and equipment

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