CN205944799U - Distributing type grid -connected PV block terminal - Google Patents
Distributing type grid -connected PV block terminal Download PDFInfo
- Publication number
- CN205944799U CN205944799U CN201620895338.2U CN201620895338U CN205944799U CN 205944799 U CN205944799 U CN 205944799U CN 201620895338 U CN201620895338 U CN 201620895338U CN 205944799 U CN205944799 U CN 205944799U
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- China
- Prior art keywords
- ammeter
- box
- case lid
- switch
- wiring mechanism
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Abstract
The utility model discloses a distributing type grid -connected PV block terminal, its characterized in that: including one side open -ended cavity box, case lid and protective cover plate, cavity box middle part is equipped with the baffle, the baffle will the cavity box divide into ammeter case and switch box, the case lid is ammeter case lid and switch case lid, one side of ammeter case lid is articulated install in on the ammeter case, the opposite side is equipped with the ammeter box lock, switch case lid one end is articulated install in on the switch box, the other end is equipped with the switch box lock, just still be equipped with two ammeter observation window on the ammeter case lid, the last clear glass that is equipped with of ammeter observation window, the ammeter incasement is equipped with the ammeter device, the ammeter device is just right ammeter observation window sets up, be equipped with wiring mechanism in the switch box, be equipped with the line hole on the baffle, the ammeter device passes through the electric wire cross the line hole with wiring mechanism links to each other. The utility model discloses extend the life of block terminal, improved the safety in utilization of block terminal.
Description
Technical field
The utility model is related to a kind of photovoltaic art, the grid-connected distribution box of more particularly, to a kind of distributed photovoltaic.
Background technology
Photovoltaic module (being also solar panel) is the core in solar power system, is also solar electrical energy generation
Most important part in system.Its effect is to convert solar energy into electrical energy, and is sent in battery and stores, or promotes negative
Carry work.
In the prior art, much grid-connected distribution box does not have enough degree of protection it is impossible to meet photovoltaic plant 25
The design service life in year, distribution box is using not safe simultaneously.
Content of the invention
The utility model purpose is to provide a kind of grid-connected distribution box of distributed photovoltaic, by using this structure, extends and joins
The service life of electronic box, improves the security of distribution box use.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is：A kind of grid-connected distribution box of distributed photovoltaic, bag
Include the hollow box body of a side opening, the opening of described hollow box body is provided with case lid, and the top of described hollow box body is provided with protection
Cover plate, the width of described protective cover plate is more than the width of described hollow box body；Be provided with dividing plate in the middle part of described hollow box body, described every
Described hollow box body is divided into ammeter box and switch-box by plate, and described ammeter box is arranged at the top of described switch-box, described case lid
For ammeter case lid and switch case lid, the side of described ammeter case lid is hinged to be installed on described ammeter box, and opposite side is provided with ammeter
Case is locked, and case lid one end is hinged is installed on described switch-box for described switch, and the other end is provided with switch-box lock, and described ammeter case lid
On be additionally provided with two ammeter observation windows, described ammeter observation window is provided with clear glass；It is provided with watt-hour meter device in described ammeter box,
Described watt-hour meter device is just arranged to described ammeter observation window, is provided with wiring mechanism, dividing plate is provided with cable-through hole in described switch-box,
Described watt-hour meter device is connected with described wiring mechanism through described cable-through hole through electric wire.
In technique scheme, described watt-hour meter device includes electric energy meter and ammeter information harvester, described electric energy
Gauge table and ammeter information harvester are installed on the base plate of described ammeter box, described ammeter information harvester and described electricity
Gauge table can be connected, and described electric energy meter and ammeter information harvester correspond to an ammeter observation window setting respectively.
In technique scheme, described wiring mechanism is installed on the base plate of described switch-box, the base plate of described switch-box
On be additionally provided with zero line row, ground wire row, inverter end line bank and electrical network terminated line row, the zero line in described wiring mechanism and institute
State zero line row to be connected, the ground wire in described wiring mechanism is connected with described ground wire row, and the front end of described wiring mechanism is inverse with described
Become device terminated line row to be connected, rear end is connected with described electrical network terminated line row.
In technique scheme, described wiring mechanism includes overvoltage/undervoltage trip circuit breaker, fuse, electrophoresis protector and breaks
Road device, the front end of described overvoltage/undervoltage trip circuit breaker is connected with described inverter end line bank, and rear end has been sequentially connected in series electric energy meter
Scale, breaker and electrical network terminated line row, described fuse is connected to described overvoltage/undervoltage trip circuit breaker and described electric energy metrical
Between table, and described fuse is connected with described ground wire row through described electrophoresis protector.
In technique scheme, described hollow box body, case lid and protective cover plate are made by galvanized sheet.
In technique scheme, the surface of described hollow box body, case lid and protective cover plate is coated with molding powder layer.
Because technique scheme is used, the utility model compared with prior art has following advantages：
1. in the utility model, protective cover plate is set at the top of hollow box body, the width of protective cover plate is more than described hollow
The width of casing, plays the effect of rain-proof；The ammeter observation window being covered by setting clear glass on ammeter box lid, is easy to grasp
Make the information on personal observations' electric energy meter and ammeter information harvester, be easy to operating personnel and understand in time in distribution box
Components and parts whether normal work, utilizes the setting of dividing plate simultaneously, watt-hour meter device is separated with wiring mechanism, prevents wiring mechanism work
When making, produced electric arc or heat produce on watt-hour meter device and affect the stability it is ensured that when electronic devices and components work in distribution box
And service life；
2. configure overvoltage/undervoltage trip circuit breaker in the utility model, meet the anti-isolated island function of photovoltaic plant；
3. in the utility model, hollow box body, case lid and protective cover plate are made by galvanized sheet, show to coat molding powder simultaneously
Layer is it is ensured that distribution box service life reaches 25 years even longer life-spans.
Brief description
Fig. 1 is the structural representation in the utility model embodiment one；
Fig. 2 is the internal structure schematic diagram of distribution box in the utility model embodiment one；
Fig. 3 is the connection diagram of wiring mechanism in the utility model embodiment one.
Wherein：1st, hollow box body；2nd, case lid；3rd, protective cover plate；4th, dividing plate；5th, ammeter box；6th, switch-box；7th, ammeter box
Lid；8th, switch case lid；9th, kilowatt-hour meter box lock；10th, switch-box lock；11st, ammeter observation window；12nd, electric energy meter；13rd, ammeter information
Harvester；14th, zero line row；15th, ground wire row；16th, inverter end line bank；17th, electrical network terminated line row；18th, inverter；19、
Photovoltaic module；20th, undervoltage tripping breaker；21st, fuse；22nd, electrophoresis protector；23rd, breaker.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Embodiment one：Referring to shown in Fig. 1～3, a kind of grid-connected distribution box of distributed photovoltaic, including the hollow box of a side opening
Body 1, the opening of described hollow box body 1 is provided with case lid 2, and the top of described hollow box body 1 is provided with protective cover plate 3, described protection
The width of cover plate 3 is more than the width of described hollow box body 1；It is provided with dividing plate 4, described dividing plate 4 will be described in the middle part of described hollow box body 1
Hollow box body 1 is divided into ammeter box 5 and switch-box 6, and described ammeter box 5 is arranged at the top of described switch-box 6, and described case lid 2 is
Ammeter case lid 7 and switch case lid 8, the side of described ammeter case lid 7 is hinged to be installed on described ammeter box 5, and opposite side is provided with electricity
Electricity box lock 9, case lid 8 one end is hinged is installed on described switch-box 6 for described switch, and the other end is provided with switch-box lock 10, and described
Two ammeter observation windows 11 are additionally provided with ammeter case lid 7, described ammeter observation window 11 is provided with clear glass；Described ammeter box 5
Inside it is provided with watt-hour meter device, described watt-hour meter device is just arranged to described ammeter observation window 11, in described switch-box 6, be provided with patching machine
Structure, dividing plate 4 is provided with cable-through hole, and described watt-hour meter device is connected with described wiring mechanism through described cable-through hole through electric wire.
In the present embodiment, using dividing plate, hollow box body is separated into two single ammeter boxes and switch-box, ammeter box
Respectively folding is carried out by ammeter case lid and switch case lid with switch-box, be easy to operating personnel's maintenance, be independent of each other when overhauling simultaneously.
Referring to shown in Fig. 1,2, described watt-hour meter device includes electric energy meter 12 and ammeter information harvester 13, described electricity
Energy gauge table 12 and ammeter information harvester 13 are installed on the base plate of described ammeter box 5, described ammeter information harvester
13 are connected with described electric energy meter 12, and described electric energy meter 12 and ammeter information harvester 13 correspond to an electricity respectively
Table observation window 11 is arranged.In the present embodiment, by being arranged at ammeter information harvester in ammeter box, protection can be played
The effect of ammeter information harvester, can also be observed by ammeter observation window simultaneously.
Referring to shown in Fig. 2,3, described wiring mechanism is installed on the base plate of described switch-box 6, the base plate of described switch-box 6
On be additionally provided with zero line row 14, ground wire row 15, inverter end line bank 16 and electrical network terminated line row 17, zero in described wiring mechanism
Line is connected with described zero line row 14, and the ground wire in described wiring mechanism is connected with described ground wire row 15, before described wiring mechanism
End is connected with described inverter end line bank 16, and rear end is connected with described electrical network terminated line row 17.Wherein, inverter end line bank
Front end be connected with inverter 18 and photovoltaic module 19, convert light energy into solar energy using photovoltaic module and inverter, pass through
Inverter end line bank is linked in distribution box, carries out grid-connected.
Referring to shown in Fig. 2,3, described wiring mechanism includes overvoltage/undervoltage trip circuit breaker 20, fuse 21, electrophoresis protector
22 and breaker 23, the front end of described overvoltage/undervoltage trip circuit breaker 20 is through described inverter end line bank 16 and inverter 18 and light
Volt assembly 19 is connected, and rear end has been sequentially connected in series electric energy meter 12, breaker 23 and electrical network terminated line row 17, described fuse 21
It is connected between described overvoltage/undervoltage trip circuit breaker 20 and described electric energy meter 12, and described fuse 21 is protected through described electrophoresis
Shield device 22 is connected with described ground wire row 15.In the present embodiment, overvoltage/undervoltage trip circuit breaker, fuse, electrophoresis protector and disconnected
Road device can select different power according to actual conditions, to adapt to the photovoltaic module of different capacity it is ensured that distribution box and wiring
The safety in utilization of mechanism.
In the present embodiment, described hollow box body 1, case lid 2 and protective cover plate 3 are made by galvanized sheet.Described hollow box
The surface of body, case lid and protective cover plate is coated with molding powder layer.Effectively improve the degree of protection of distribution box, extend making of distribution box
Use the life-span.
Claims (6)
1. a kind of grid-connected distribution box of distributed photovoltaic it is characterised in that：Including the hollow box body of a side opening, described hollow box body
Opening be provided with case lid, the top of described hollow box body is provided with protective cover plate, the width of described protective cover plate be more than described in
The width of empty van body；It is provided with dividing plate, described hollow box body is divided into ammeter box and switch by described dividing plate in the middle part of described hollow box body
Case, described ammeter box is arranged at the top of described switch-box, and described case lid is ammeter case lid and switch case lid, described ammeter case lid
Side hinged be installed on described ammeter box, opposite side is provided with kilowatt-hour meter box lock, and described switch case lid one end is hinged to be installed on institute
State on switch-box, the other end is provided with switch-box lock, and is additionally provided with two ammeter observation windows on described ammeter box lid, and described ammeter is seen
Examine window and be provided with clear glass；It is provided with watt-hour meter device, described watt-hour meter device just sets to described ammeter observation window in described ammeter box
Put, in described switch-box, be provided with wiring mechanism, dividing plate is provided with cable-through hole, described watt-hour meter device passes through described cable-through hole through electric wire
It is connected with described wiring mechanism.
2. the grid-connected distribution box of distributed photovoltaic according to claim 1 it is characterised in that：Described watt-hour meter device includes electric energy
Gauge table and ammeter information harvester, described electric energy meter and ammeter information harvester are installed on the bottom of described ammeter box
On plate, described ammeter information harvester is connected with described electric energy meter, and described electric energy meter and ammeter information collection
Device corresponds to an ammeter observation window setting respectively.
3. the grid-connected distribution box of distributed photovoltaic according to claim 2 it is characterised in that：Described wiring mechanism is installed on institute
State on the base plate of switch-box, the base plate of described switch-box is additionally provided with zero line row, ground wire row, inverter end line bank and electrical network end
Line bank, the zero line in described wiring mechanism is connected with described zero line row, and the ground wire in described wiring mechanism is arranged with described ground wire
It is connected, the front end of described wiring mechanism is connected with described inverter end line bank, rear end is connected with described electrical network terminated line row.
4. the grid-connected distribution box of distributed photovoltaic according to claim 3 it is characterised in that：Described wiring mechanism included owing
Pressure trip circuit breaker, fuse, electrophoresis protector and breaker, the front end of described overvoltage/undervoltage trip circuit breaker and described inverter
Terminated line row be connected, and rear end has been sequentially connected in series electric energy meter, breaker and electrical network terminated line row, and described fuse is connected to institute
State between overvoltage/undervoltage trip circuit breaker and described electric energy meter, and described fuse is through described electrophoresis protector and described ground wire
Row is connected.
5. the grid-connected distribution box of distributed photovoltaic according to claim 1 it is characterised in that：Described hollow box body, case lid and
Protective cover plate is made by galvanized sheet.
6. the grid-connected distribution box of distributed photovoltaic according to claim 5 it is characterised in that：Described hollow box body, case lid and
The surface of protective cover plate is coated with molding powder layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620895338.2U CN205944799U (en) | 2016-08-17 | 2016-08-17 | Distributing type grid -connected PV block terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620895338.2U CN205944799U (en) | 2016-08-17 | 2016-08-17 | Distributing type grid -connected PV block terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205944799U true CN205944799U (en) | 2017-02-08 |
Family
ID=57919183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620895338.2U Expired - Fee Related CN205944799U (en) | 2016-08-17 | 2016-08-17 | Distributing type grid -connected PV block terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205944799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689641A (en) * | 2017-11-17 | 2018-02-13 | 国网河南省电力公司商丘供电公司 | A kind of method for effectively improving distributed power source grid connection efficiency |
| CN108011309A (en) * | 2017-12-22 | 2018-05-08 | 安徽昱和自动化科技有限公司 | A kind of photovoltaic grid connection box |
-
2016
- 2016-08-17 CN CN201620895338.2U patent/CN205944799U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689641A (en) * | 2017-11-17 | 2018-02-13 | 国网河南省电力公司商丘供电公司 | A kind of method for effectively improving distributed power source grid connection efficiency |
| CN108011309A (en) * | 2017-12-22 | 2018-05-08 | 安徽昱和自动化科技有限公司 | A kind of photovoltaic grid connection box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20180817 |