CN107294487A - A kind of header box - Google Patents
A kind of header box Download PDFInfo
- Publication number
- CN107294487A CN107294487A CN201710560082.9A CN201710560082A CN107294487A CN 107294487 A CN107294487 A CN 107294487A CN 201710560082 A CN201710560082 A CN 201710560082A CN 107294487 A CN107294487 A CN 107294487A
- Authority
- CN
- China
- Prior art keywords
- header box
- connecting hole
- bottom plate
- control panel
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002955 isolation Methods 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Patch Boards (AREA)
Abstract
The present invention relates to photovoltaic power supply engineering device technique field, disclose a kind of header box, including multiple controllers, the controller includes housing, the bottom plate of the housing is fitted with radiator, and control panel is provided with the housing, and the control panel be arranged in parallel and bonded to each other with the bottom plate, the input of the control panel connects with isolating on-load switch line, and output end connects with busbar line.Header box proposed by the present invention, the bottom plate of control panel and housing in header box in controller be arranged in parallel and fitted, bottom plate fits with radiator, contact area is larger, and heat, radiator heat-dissipation are conducted using bottom plate, radiating effect is preferable, the setting of controller housing so that the weather-proof ability of controller is strong, it is ensured that header box is solving the problem of controller radiates under conditions of closed.
Description
Technical field
The present invention relates to photovoltaic power supply engineering device technique field, more particularly to a kind of header box.
Background technology
Header box is indispensable equipment in photovoltaic power supply system, is opened by the isolation load in cable connection header box
3 ＇ input is closed, isolation on-load switch 3 ＇ output end connection control panel 12 ＇ input, electric energy is defeated through the ＇'s of control panel 12
Go out end to the ＇ of busbar 4 convergences, eventually pass through the ＇ of air switch 7 control electric energy and be filled with battery.As shown in figure 1, in existing header box
The ＇ of control panel 12 is inserted on the ＇ of radiator 2 by the way that the ＇ of reed 8 is perpendicular, and the ＇ of control panel 12 output end and the ＇ of the positive busbar 41 and ＇ of negative busbar 42 connect
Connect, input is connected with isolating the ＇ of on-load switch 3 output end, the perpendicular ＇ of control panel 12 being inserted on the ＇ of the radiator 2 and ＇'s of radiator 2
Contact area is smaller, and the ＇ of control panel 12 radiating effect is poor, and this fixed form is complicated, and the ＇ of control panel 12 is to environment in header box
Requirement it is higher, the ＇ of control panel 12 weather resistance is poor.
The content of the invention
It is an object of the invention to propose a kind of header box, contact of the control panel with radiator in existing header box is solved
Area is small, and the radiating effect of control panel is poor, and the problem of control panel weather resistance difference.
For up to this purpose, the present invention uses following technical scheme：
A kind of header box, including multiple controllers, the controller include housing, bottom plate and the radiator phase of the housing
Control panel is provided with laminating, the housing, the control panel be arranged in parallel and bonded to each other with the bottom plate, the control panel
Input connect with isolating on-load switch line, output end and busbar line connect.
The bottom plate of control panel and housing in header box in controller is be arranged in parallel and fitted, and bottom plate is affixed with radiator
Close, contact area is larger, heat is conducted using bottom plate, radiator heat-dissipation, radiating effect is preferable, and the setting of controller housing makes
The weather-proof ability for obtaining controller is strong, it is ensured that the problem of controller radiates is solved under conditions of header box is closed.
As a kind of preferred scheme of above-mentioned header box, the controller is detachably connected by connector with the radiator
Connect.It is easy for installation.
As a kind of preferred scheme of above-mentioned header box, the lower end of the bottom plate sets the first connecting hole, and upper end sets the
Two connecting holes, the connector includes the first connector and the second connector, and first connector is connected through described first
Radiator described in Kong Houyu is connected, and second connector is connected after passing through second connecting hole with the radiator.
As a kind of preferred scheme of above-mentioned header box, first connecting hole is the bar shaped for connecting the base plate external
Hole, the length direction of the length direction of the bar hole along the bottom plate is set.The setting of bar hole facilitates the first connector to determine
Position is fixed, and the first connector facilitates the fixation of the second connector after fixing.
As a kind of preferred scheme of above-mentioned header box, threeth corresponding with the first connecting hole is set on the radiator
Connecting hole and corresponding with the second connecting hole and the 4th connecting hole, first connector connect the first connecting hole and the 3rd
Hole connection is connect, second connector connects the second connecting hole and the 4th connecting hole.
As a kind of preferred scheme of above-mentioned header box, the housing includes cap, and the cap and the bottom plate are removable
Unload to set on connection, the cap in the oriented accommodating area protruded away from the bottom plate direction, the accommodating area and accommodate the control
Making sheet.
As a kind of preferred scheme of above-mentioned header box, one end of the accommodating area connects the first connection end, and the other end connects
The first stomidium that setting is adapted with first connecting hole on the second connection end, first connection end is connect, described second connects
Connect the second stomidium for setting and being adapted with second connecting hole on end.
As a kind of preferred scheme of above-mentioned header box, the busbar includes positive busbar and negative busbar, the positive busbar and
The first positive pole fixture and the first negative pole fixture, the positive pole fixture and the negative pole are respectively arranged with the negative busbar
Fixture is connected by flexible cord with the output end of the control panel.
As a kind of preferred scheme of above-mentioned header box, set the second positive pole fixture and the second negative pole solid on the switch
Determine part, the second positive pole fixture and the second negative pole fixture are connected by flexible cord with the input of the control panel.
As a kind of preferred scheme of above-mentioned header box, the bottom plate is made up of aluminum.The radiating of aluminum base is preferable.
Beneficial effects of the present invention：
The bottom plate of control panel and housing in header box proposed by the present invention, header box in controller be arranged in parallel and is affixed
Close, bottom plate fits with radiator, and contact area is larger, heat conducted using bottom plate, radiator heat-dissipation, radiating effect is preferable,
The setting of controller housing so that the weather-proof ability of controller is strong, it is ensured that controller radiating is solved under conditions of header box is closed
The problem of.
Brief description of the drawings
Fig. 1 is the structural representation of the header box of prior art；
Fig. 2 is the structural representation for the header box that the specific embodiment of the invention is provided；
Fig. 3 is the structural representation for the controller that the specific embodiment of the invention is provided；
Fig. 4 is the structural representation of the bottom plate that the specific embodiment of the invention is provided and control panel；
Fig. 5 is the enlarged drawing at A in Fig. 2 of the present invention；
Fig. 6 is the figure to be installed of the controller that the specific embodiment of the invention is provided and radiator；
Fig. 7 is the structural representation for the cap that the specific embodiment of the invention is provided；
Fig. 8 is the structural representation of another angle for the cap that the specific embodiment of the invention is provided.
Wherein：
2 ＇, radiator；3 ＇, isolation on-load switch；4 ＇, busbar；7 ＇, air switch；8 ＇, reed；12 ＇, control panel；41 ＇,
Positive busbar；42 ＇, negative busbar；
1st, controller；11st, housing；12nd, control panel；111st, bottom plate；1111st, the first connecting hole；1112 second connecting holes；
112nd, cap；1121st, accommodating area；1122nd, the first connection end；1123rd, the second connection end；11221st, the first stomidium；11231st,
Two stomidiums；
2nd, radiator；21st, the 3rd connecting hole；22nd, the 4th connecting hole；
3rd, on-load switch is isolated；31st, the second positive pole fixture；32nd, the second negative pole fixture；
4th, busbar；41st, positive busbar；42nd, negative busbar；43rd, the first positive pole fixture；44th, the first negative pole fixture；
5th, connector；51st, the first connector；52nd, the second connector；
6th, flexible cord；
7th, air switch.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Present embodiment protects a kind of header box, as illustrated in figs. 2 through 8, and header box includes busbar 4, multiple controllers 1, isolation
On-load switch 3, air switch 7 and radiator 2.Isolate the input of on-load switch 3 by cable connection, isolate on-load switch 3
Output end connect the input of controller 1, the output end of electric energy via controller 1 to busbar 4 converges, busbar 4 and the phase of air switch 7
Even, electric energy is controlled to be filled into battery by air switch 7.Air switch 7 is the master switch in header box, play unlatching or
Close the effect of header box.The two ends of air switch 7 are provided with terminal block, and each terminal block respectively has positive and negative 2 binding posts, and one end connects
Busbar 4 is connect, receives the electric energy converged from busbar 4, the electric energy of conveying is charged into battery by one end connection battery.
As shown in Fig. 2 busbar 4 is used to converge electric energy and distribution electric energy, busbar 4 includes positive busbar 41 and negative busbar 42, just
The first positive pole fixture 43 and the first negative pole fixture 44, the first positive pole fixture are respectively arranged with busbar 41 and negative busbar 42
43 and first negative pole fixture 44 be connected by flexible cord 6 with the output end of control panel 12.First positive pole fixture 43 and first is negative
Pole fixture 44 is bolt or screw.Due to being connected between controller 1 and busbar 4, isolation on-load switch 3 by flexible cord 6, flexible cord
6 can be staggered, and controller 1 can be interlocked by the busbar 4 corresponding with other controllers 1 of flexible cord 6 and isolation on-load switch 3
It is connected, is arranged as required to, the position of controller 1 can be fixed, and can not also be fixed, be moved according to actual conditions.
Second positive pole fixture 31 and the second negative pole fixture 32, the second positive pole fixture are set on isolation on-load switch 3
31 and second negative pole fixture 32 be connected by flexible cord 6 with the input of control panel 12.Second positive pole fixture 31 and second is negative
Pole fixture 32 is bolt or screw.Isolating on-load switch 3 is used for static controller 1 and cable, prevents cable from pulling, and plays solidus
Device is acted on；And on-off action is played, when header box works, switch closure, switch ways are unimpeded, when controller 1 is damaged, only
Switch need to be opened, branch road and master switch be disconnected, just replaceable controller 1.
Header box includes multiple controllers 1, as shown in Figure 3 and Figure 4, and controller 1 includes housing 11, the bottom plate of housing 11
111 are fitted with radiator 2, and control panel 12 is provided with housing 11, and control panel 12 be arranged in parallel with bottom plate 111 and mutually pasted
Close, the input of control panel 12 connects with isolating the line of on-load switch 3, and output end connects with the line of busbar 4.Bottom plate 111 is made up of aluminum,
The radiating for the bottom plate 111 that aluminum is made is preferable.Controller 1 can depart from header box and be worked independently applied to other structures.
Radiator 2 in header box is embedded in header box, positioned at the rear of controller 1, is close to controller 1, and the function of radiator 2 has 2,
Static controller 1 and conduction heat.
The bottom plate 111 of control panel 12 and housing 11 in header box in controller 1 be arranged in parallel and fitted, bottom plate 111
Fitted with radiator 2, contact area is larger, heat is conducted using bottom plate 111, radiator 2 radiates, radiating effect preferably, is controlled
The setting of the shell of device 1 processed so that the weather-proof ability of controller 1 is strong, it is ensured that controller 1 is solved under conditions of header box is closed and is radiated
The problem of.
Controller 1 is detachably connected by connector 5 with radiator 2.It is easy for installation.Specifically, as shown in figure 4, bottom plate
111 lower end sets the first connecting hole 1111, and upper end sets the second connecting hole 1112, as shown in figure 5, connector 5 includes first
The connector 52 of connector 51 and second, as shown in fig. 6, setting threeth corresponding with the first connecting hole 1111 to connect on radiator 2
Connect hole 21 and fourth connecting hole 22 corresponding with the second connecting hole 1112, the first connector 51 is by the He of the first connecting hole 1111
3rd connecting hole 21 is connected, and the second connector 52 connects the second connecting hole 1112 and the 4th connecting hole 22.It is preferred that, above-mentioned
The connector 52 of a connection piece 51 and second is bolt or screw.First connecting hole 1111 is the bar hole outside connection bottom plate 111,
Length direction of the length direction of bar hole along bottom plate 111 is set, and the setting of bar hole facilitates the positioning fixation of the first connector 51,
First connector 51 facilitates the fixation of the second connector 52 after fixing；Second connecting hole 1112 is circular hole.Specifically, first by
A connection piece 51 is connected the positioning for realizing controller 1 with the 3rd connecting hole 21 afterwards through the first connecting hole 1111 (bar hole), then
It is connected and locks with the 4th connecting hole 22 after second connector 52 is passed through into the second connecting hole 1112, then again by the first connector
51 lockings, so that controller 1 be connected with radiator 2.
As shown in Figure 7 and Figure 8, housing 11 includes cap 112, and cap 112 is detachably connected with bottom plate 111, on cap 112
Set in the oriented accommodating area 1121 protruded away from the direction of bottom plate 111, accommodating area 1121 and accommodate in control panel 12, cap 112 also
Equipped with the heater members such as switching tube and counnter attack diode.One end of accommodating area 1121 connects the first connection end 1122, and the other end connects
The first stomidium 11221 that setting is adapted with the first connecting hole 1111 on the second connection end 1123, the first connection end 1122 is connect, the
The second stomidium 11231 being adapted with the second connecting hole 1112 is set on two connection ends 1123, passed through by the first connector 51
It is connected after first stomidium 11221 and the first connecting hole 111 with the 3rd connecting hole 21 of radiator 2 and controller 1 is positioned,
Second connector 52 is connected simultaneously after passing through the second stomidium 11231 and the second connecting hole 1112 with the 4th connecting hole 22 of radiator 2
Second connector 52 is locked, then the first connector 51 is locked, so that controller 1 is fixed on radiator 2.
When controller 1 is installed, first confirm that isolation on-load switch 3 and air switch 7 on branch road are closed, by controller 1
3rd connecting hole 21 of the first connecting hole 1111 and radiator 2 of lower end is attached by the first connector 51, realizes control
The positioning of device 1, the second connecting hole 1112 of the upper end of controller 1 is connected with the 4th connecting hole 22 of controller 1 by second
Part 52 is attached and locked, and then locks the first connector 51, so that controller 1 be connected with radiator 2；Then successively
First positive pole fixture 43, the first negative pole fixture 44, the second positive pole fixture 31 and the second negative pole fixture 32 are fixed, from
And complete the installation of controller 1.The fixed form makes the easy to loading and unloading of controller 1, is not in the prior art once control
Plate 12 ＇, 1 Wrong localization, the ＇ of control panel 12 remaining each point will be unable to fixed situation.
During more changer controller 1, the isolation on-load switch 3 first closed on branch road, then air switch 7 is closed, prevent reverse power transmission.
The order for dismantling controller 1 is first to tear the first positive pole fixture 43 and the first negative pole fixture in positive busbar 41 and negative busbar 42 open
44, then the second positive pole fixture 31 and the second negative pole fixture 32 on isolation on-load switch 3 are unloaded, afterwards by the first connector 51
More changer controller 1 after being disassembled with the second connector 52.
Note, above are only presently preferred embodiments of the present invention.It will be appreciated by those skilled in the art that the invention is not restricted to here
Described specific embodiment, can carry out for a person skilled in the art it is various it is obvious change, readjust and substitute and
Without departing from the scope of protection of the present invention.Therefore, although the present invention is described in further detail by above example,
But the present invention is not limited only to above example, without departing from the inventive concept, can also include it is more other
Equivalent embodiment, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of header box, it is characterised in that including multiple controllers (1), the controller (1) includes housing (11), described
The bottom plate (111) of housing (11) is fitted with radiator (2), and control panel (12), the control are provided with the housing (11)
Plate (12) be arranged in parallel and bonded to each other with the bottom plate (111), and the input of the control panel (12) is with isolating on-load switch
(3) line connects, and output end connects with busbar (4) line.
2. header box according to claim 1, it is characterised in that the controller (1) is dissipated by connector (5) with described
Hot device (2) is detachably connected.
3. header box according to claim 2, it is characterised in that the lower end of the bottom plate (111) sets the first connecting hole
(1111), upper end sets the second connecting hole (1112), and the connector (5) includes the first connector (51) and the second connector
(52), first connector (51) is connected with the radiator (2) afterwards through first connecting hole (1111), and described second
Connector (52) is connected with the radiator (2) afterwards through second connecting hole (1112).
4. header box according to claim 3, it is characterised in that first connecting hole (1111) is the connection bottom plate
(111) outside bar hole, the length direction of the length direction of the bar hole along the bottom plate (111) is set.
5. the header box according to claim 3 or 4, it is characterised in that set and connect with described first on the radiator (2)
Connect the 3rd corresponding connecting hole (21) of hole (1111) and fourth connecting hole corresponding with second connecting hole (1112)
(22), first connector (51) connects first connecting hole (1111) and the 3rd connecting hole (21), and described the
Two connectors (52) connect second connecting hole (1112) and the 4th connecting hole (22).
6. the header box according to claim 3 or 4, it is characterised in that the housing (11) includes cap (112), described
Cap (112) is detachably connected with the bottom plate (111), sets oriented away from the bottom plate (111) side on the cap (112)
To the accommodating area (1121) of protrusion, the control panel (12) is accommodated in the accommodating area (1121).
7. header box according to claim 6, it is characterised in that one end connection first of the accommodating area (1121) is connected
Hold (1122), other end connection the second connection end (1123), set and be connected with described first on first connection end (1122)
Set and second connecting hole on the first stomidium (11221) that hole (1111) is adapted, second connection end (1123)
(1112) the second stomidium (11231) being adapted.
8. the header box according to any one of Claims 1 to 4, it is characterised in that the busbar (4) includes positive busbar (41)
With negative busbar (42), the first positive pole fixture (43) and are respectively arranged with the positive busbar (41) and the negative busbar (42)
One negative pole fixture (44), the first positive pole fixture (43) and the first negative pole fixture (44) by flexible cord (6) with
The output end of the control panel (12) is connected.
9. the header box according to any one of Claims 1 to 4, it is characterised in that set on the isolation on-load switch (3)
Second positive pole fixture (31) and the second negative pole fixture (32), the second positive pole fixture (31) and the second negative pole fixture
(32) it is connected by flexible cord (6) with the input of the control panel (12).
10. the header box according to any one of Claims 1 to 4, it is characterised in that the bottom plate (111) is by aluminum system
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560082.9A CN107294487A (en) | 2017-07-11 | 2017-07-11 | A kind of header box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560082.9A CN107294487A (en) | 2017-07-11 | 2017-07-11 | A kind of header box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107294487A true CN107294487A (en) | 2017-10-24 |
Family
ID=60100460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710560082.9A Pending CN107294487A (en) | 2017-07-11 | 2017-07-11 | A kind of header box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107294487A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201504063U (en) * | 2009-01-21 | 2010-06-09 | 承建洪 | Photovoltaic junction box |
| CN202549886U (en) * | 2012-04-09 | 2012-11-21 | 杜邦太阳能有限公司 | Photovoltaic junction box |
| CN203339989U (en) * | 2013-08-02 | 2013-12-11 | 京东方科技集团股份有限公司 | Combiner box and electric power system |
| CN203339967U (en) * | 2013-05-31 | 2013-12-11 | 深圳市大地和电气有限公司 | MOS controller |
| CN203434932U (en) * | 2013-08-29 | 2014-02-12 | 深圳市禾望电气有限公司 | Combiner box |
| CN204156597U (en) * | 2014-11-20 | 2015-02-11 | 国家电网公司 | Portable grid maintenance power supply |
-
2017
- 2017-07-11 CN CN201710560082.9A patent/CN107294487A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201504063U (en) * | 2009-01-21 | 2010-06-09 | 承建洪 | Photovoltaic junction box |
| CN202549886U (en) * | 2012-04-09 | 2012-11-21 | 杜邦太阳能有限公司 | Photovoltaic junction box |
| CN203339967U (en) * | 2013-05-31 | 2013-12-11 | 深圳市大地和电气有限公司 | MOS controller |
| CN203339989U (en) * | 2013-08-02 | 2013-12-11 | 京东方科技集团股份有限公司 | Combiner box and electric power system |
| CN203434932U (en) * | 2013-08-29 | 2014-02-12 | 深圳市禾望电气有限公司 | Combiner box |
| CN204156597U (en) * | 2014-11-20 | 2015-02-11 | 国家电网公司 | Portable grid maintenance power supply |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171024 |
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| WD01 | Invention patent application deemed withdrawn after publication |