CN203339989U - Combiner box and electric power system - Google Patents
Combiner box and electric power system Download PDFInfo
- Publication number
- CN203339989U CN203339989U CN2013204715540U CN201320471554U CN203339989U CN 203339989 U CN203339989 U CN 203339989U CN 2013204715540 U CN2013204715540 U CN 2013204715540U CN 201320471554 U CN201320471554 U CN 201320471554U CN 203339989 U CN203339989 U CN 203339989U
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- installing rack
- negative pole
- header box
- mounting panel
- mouth
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Abstract
The utility model discloses a combiner box and an electric power system, which relate to the photovoltaic field and allow every string of anode-cathode cables to be arranged in proximity so as to achieve the technical effects of orderly arrangement and convenient installation and to solve the technical problems that different strings of cables are easy to be dislocated and the workload for cable arrangement is too high. The combiner box includes an installing plate and a cathode wiring port, and an anode wiring port arranged on the installing plate. The combiner box further includes a cathode installing rack, the cathode installing rack is arranged on the installing plate and is provided with an installing rack assembling body, a gap is arranged between the installing rack assembling body and the installing plate, the cathode wiring port is arranged in the installing rack assembling body, and the anode wiring port and the cathode wiring port are in parallel arrangement. The combiner box provided is suitable for a photovoltaic power generation system, or a wind generator system, or a power generation system including various power generation modes, or other electric power systems having the need for the combiner box.
Description
Technical field
The utility model relates to the photovoltaic field, relates in particular to a kind of header box and electric power system.
Background technology
In solar photovoltaic generation system, in order to reduce the line between solar-energy photo-voltaic cell array and inverter, the user can connect some, photovoltaic cell that specification is identical, form photovoltaic tandem one by one, and then, by several photovoltaic tandems access in parallel header box, after confluxing in header box, by DC circuit breaker, export, thereby support the use the photovoltaic generating system of complete with photovoltaic DC-to-AC converter, realize with civil power grid-connected.
Because header box usage quantity in the photovoltaic project is more, so it installs convenience, the project construction progress is had a certain impact.The general design of the positive and negative electrode Wiring port of existing header box is at the left and right sides of casing, the general position in the same line, need to separate wiring to the positive and negative electrode Wiring port of same battery pack string during field connection, therefore before wiring, need all positive and negative electrode spaced apart of all cables, and the more header box of way, this can increase the cable organizing workload, also can increase the possibility of the location dislocation between cable of not getting lines crossed on the same group, after wiring completes after the positive and negative polarities cable combing and regular cable also more difficult.
The utility model content
Embodiment of the present utility model provides a kind of header box and electric power system, can make each group string positive and negative polarities cable arrange nearby, reach the technique effect neat, easy for installation of arranging, solved do not get lines crossed on the same group cable easily dislocation and the large technical problem of reason line workload.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
The utility model embodiment provides a kind of header box, comprise: comprise mounting panel and negative terminals mouth, and be arranged on the positive terminal mouth on described mounting panel, and described header box also comprises: the negative pole installing rack, and described negative pole installing rack is arranged on described mounting panel; Described negative pole installing rack has an installing rack assembly, between described installing rack assembly and described mounting panel, has space, and described negative terminals mouth is arranged on described installing rack assembly; Described negative terminals mouth and described positive terminal mouth are arranged in parallel.
Preferably, the center line of described positive terminal mouth overlaps with the center line of described negative terminals mouth.
Further, described header box also comprises: the negative pole confluence copper bar be connected with the negative terminals mouth, described negative pole confluence copper bar is arranged on described installing rack assembly.
Preferably, the described space between described installing rack assembly and described mounting panel is 10-40mm.
Preferably, described negative pole installing rack is arch.
Preferably, described negative pole installing rack is arranged on described mounting panel by detachable firmware.
Particularly, described negative pole installing rack also comprises:
Movable device, described movable device is arranged on an end of described installing rack assembly, for changing the position of described installing rack assembly, so that described negative terminals mouth does not hinder the wiring of described positive terminal mouth.Alternatively, described movable device is hinge.
Further, described negative pole installing rack also comprises: negative pole is installed side; The end that described negative pole is installed side is fixed on described mounting panel, and the other end connects described hinge.
Preferably, described negative pole installing rack also comprises:
Dismountable fixed cell, be arranged on the other end of described installing rack assembly.
Further preferably, described dismountable fixed cell is set bolt, or snap-in structure.
Further, in a kind of embodiment, described header box also comprises: counnter attack diode and fin;
Described counnter attack diode is arranged on described fin, and the fin that is provided with described counnter attack diode is arranged on the back side of described mounting panel, and described mounting panel is provided with perforate, and described counnter attack diode passes from the perforate of described mounting panel,
Alternatively, in another kind of embodiment, described header box also comprises: hold the casing of described mounting panel, counnter attack diode and fin;
Described counnter attack diode is arranged on described fin, and the fin that is provided with described counnter attack diode is arranged on the outside of described casing, and described casing is provided with perforate, and described counnter attack diode enters the inside of described casing from the perforate of described casing.
On the other hand, the utility model embodiment also provides a kind of electric power system, comprising: the described header box of any one.
The header box that the utility model embodiment provides and electric power system, positive terminal mouth and negative terminals mouth are arranged in parallel, the positive terminal mouth is arranged on mounting panel, the negative terminals mouth is arranged on the negative pole installing rack, all frame is high can to make so all cables of negative pole (cable be connected with the negative terminals mouth), during concrete the installation, can, so that electrode line cable (cable be connected with the positive terminal mouth) passes below the negative pole installing rack, with the positive terminal mouth, be connected; The negative pole cable is connected with the negative terminals mouth, the mutually noninterfere of both positive and negative polarity Wiring port, each group string positive and negative polarities cable is being arranged nearby, reaches the technique effect neat, easy for installation of arranging, and has solved do not get lines crossed on the same group cable easily dislocation and the large technical problem of reason line workload.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below will the accompanying drawing of required use in embodiment be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The internal structure schematic diagram of the header box that Fig. 1 provides for the utility model embodiment mono-;
The schematic perspective view that Fig. 2 installs for the header box internal components that the utility model embodiment mono-provides;
The partial enlarged drawing that Fig. 3 is hinge position in Fig. 2;
The schematic diagram that Fig. 4 opens for the header box negative pole installing rack provided in the utility model embodiment mono-.
Description of reference numerals
1-header box casing, the 2-mounting panel, 3-negative terminals mouth, 4-positive terminal mouth,
5-negative pole confluence copper bar, the anodal confluence copper bar of 6-, 7-counnter attack diode, the 8-fin, the 9-circuit breaker,
The 10-Surge Protector, 11-negative pole installing rack, 12-installing rack assembly, the 13-hinge,
The 14-negative pole is installed side, 15-set bolt.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment mono-
The utility model embodiment provides a kind of header box, as shown in Figure 1, this header box comprises: mounting panel 2 and negative terminals mouth 3, and be arranged on the positive terminal mouth 4 on mounting panel 2, also comprise: negative pole installing rack 11, negative pole installing rack 11 is arranged on mounting panel 2; Negative pole installing rack 11 has an installing rack assembly 12, between installing rack assembly 12 and mounting panel 2, has space, and negative terminals mouth 3 is arranged on installing rack assembly 12, and negative terminals mouth 3 and positive terminal mouth 4 are arranged in parallel.
As shown in Figure 1,1 is the header box casing, and all devices all are assembled on mounting panel 2.The positive pole of the photovoltaic cable of general outside input all is linked on positive terminal mouth 4, and the negative pole of photovoltaic cable all is linked on negative terminals mouth 3.The described positive terminal mouth 4 of the present embodiment and negative terminals mouth 3 are including some binding posts, and preferably, and the binding post of the binding post of positive terminal mouth 4 and negative terminals mouth 3 is corresponding one by one, the cable dislocation of not getting lines crossed on the same group when avoiding installing.For example, first binding post in positive terminal mouth 4 from left side, first binding post in negative terminals mouth 3 from left side is being connected with the positive and negative polarities of the same group of cable of getting lines crossed respectively.
Alternatively, each binding post of positive terminal mouth 4 and each binding post of negative terminals mouth 3, generally all be connected in series fuse, so the generally also anodal insurance of title of positive terminal mouth 4, and negative terminals mouth 3 generally also claims the negative pole insurance.
The present embodiment " left side " mentioned above, " right side ", and below the concept of " the ”“ left side, position, left and right or the right ", " upper " in narration, " under ", " side ", all with the installation and maintenance personnel, the orientation during over against the device of header box is understood, as shown in Figure 1.
Existing design generally is arranged on this positive terminal mouth 4 and negative terminals mouth 3 position, left and right of casing, this will make all positive and negative electrodes of cable all need spaced apart, increased the cable organizing workload, also increase the possibility of the location dislocation between cable of not getting lines crossed on the same group, increased thus installation difficulty and the maintenance difficulty that may bring.And in the utility model, positive terminal mouth 4 and negative terminals mouth 3 are on casing homonymy (left side or the right), positive terminal mouth 4 and negative terminals mouth 3 are arranged in parallel, near distance; And positive terminal mouth 4 is arranged on mounting panel 2, negative terminals mouth 3 is arranged on negative pole installing rack 11, and all frame is high can to make so all negative pole cables (cable be connected with negative terminals mouth 3), and reduction is crosstalked.While specifically carrying out the cable connection, do not need in advance by the positive and negative electrode of all cables separately, can make the electrode line cable pass and be connected with positive terminal mouth 4 below installing rack, the negative terminals mouth 3 that the negative pole cable is high with frame is connected, the two poles of the earth Wiring port mutually noninterfere, each group string positive and negative polarities cable is being arranged nearby, reaches the technique effect neat, easy for installation of arranging, and has solved do not get lines crossed on the same group cable easily dislocation and the large technical problem of reason line workload.
Wherein, between installing rack assembly 12 and mounting panel 2, have certain space, in order to hold anodal cable, described space is preferably dimensioned to be 10-40mm, if space is too little, can not hold cable, if but space too greatly easily causes casing thickness to increase.
Wherein, in the present embodiment, positive terminal mouth 4 and negative terminals mouth 3 are arranged in parallel, and further preferably, while being arranged in parallel, the center line of the center line of positive terminal mouth 4 (B-B ') and negative terminals mouth 3 (A-A ') overlap.
Negative terminals mouth 3 place's lines are simple, therefore, while specifically implementing preferred positive terminal mouth 4 upper, negative terminals mouth 3 under, as shown in Figure 1; Can certainly negative terminals mouth 3 upper, positive terminal mouth 4 under, at this moment, the negative pole cable is walked around positive terminal mouth 4 cablings, for example, from the side cabling of casing 1.
Further preferably, described header box also comprises: the negative pole confluence copper bar 5 be connected with negative terminals mouth 3, negative pole confluence copper bar 5 also is arranged on installing rack assembly 12.The input of negative pole confluence copper bar 5 comprises a plurality of broach, and each broach is connected with a binding post of negative terminals mouth 3, and the output of negative pole confluence copper bar 5 is connected with Surge Protector 10 with circuit breaker 9 respectively.Negative pole confluence copper bar 5 is arranged on negative pole installing rack 11, can reduce the wiring quantity of negative pole installing rack 11 and other device.Wherein, negative pole confluence copper bar 5 is only general designation, is interpreted as negative pole confluence copper bar 5 and is made by the material that includes, but are not limited to copper.Equally, also have the anodal confluence copper bar 6 be connected with positive terminal mouth 4, anodal confluence copper bar 6 is arranged on mounting panel 2.
Preferably, negative pole installing rack 11 is arch, and during installation, two fulcrums of the arch of negative pole installing rack 11 are connected on mounting panel 2, and anodal cable can pass from the space of 2 of installing rack assembly 12 and mounting panels, with positive terminal mouth 4, is connected.
Anodal cable passes between negative pole installing rack 11 and mounting panel 2, for reducing workload and easy to maintenance, can first anodal cable be connected with positive terminal mouth 4, then (or fixing) negative pole installing rack 11 is installed.Therefore, be appreciated that the utility model embodiment preferably, negative pole installing rack 11 is arranged on mounting panel 2 by detachable firmware.
Wherein, a kind of concrete structure of negative pole installing rack 11 and mounting means thereof can be with reference to shown in Fig. 1-4, and particularly, negative pole installing rack 11 comprises: installing rack assembly 12; Movable device is as hinge 13 etc., be arranged on an end of installing rack assembly 12, movable device, for changing the position of installing rack assembly 12, so that negative terminals mouth 3 does not hinder 4 wiring of positive terminal mouth, for example can utilize movable device to make the negative terminals mouth away from the positive terminal mouth; The other end of installing rack assembly 12 arranges dismountable fixed cell, as set bolt 15 or snap-in structure.
During the concrete engineering application: can first take dismountable fixed cell apart, unclamp an end of negative pole installing rack 11, negative pole installing rack 11 is provided with movable device at its other end, control the position that movable device changes installing rack assembly 12, negative terminals mouth 3 is removed from the original position near positive terminal mouth 4, in order to the positive pole of all photovoltaic cables is received on positive terminal mouth 4, then controlling movable device makes negative terminals mouth 3 return to the position be arranged in parallel, by dismountable fixed cell, that negative pole installing rack 11 is fixing, finally the negative pole of all photovoltaic cables is received on negative terminals mouth 3.
The utility model embodiment does not do restriction to the implementation of movable device, dismountable fixed cell, can be any implementation well-known to those skilled in the art, below only enumerates a kind of example as a reference:
As shown in Figure 2, negative terminals mouth 3 be assembled to the negative pole installing rack fill 11 above, make the equal frame of all negative pole cables high.During concrete application, can be so that penetrate the space of electrode line cable below negative pole installing rack 11, thus make the positive and negative polarities mutually noninterfere.And be to avoid increasing the workload of installing due to threading work, therefore further negative pole installing rack 11 is designed to openable form.As shown in Figure 3, negative pole installing rack 11 comprises installing rack assembly 12, hinge 13 and set bolt 15, also comprises: negative pole is installed side 14; The end that negative pole is installed side 14 is fixed on mounting panel 2, other end connection hinge 13.One page of hinge 13 is fixed on negative pole side 14 is installed, and another page fixing is on installing rack assembly 12.Negative pole installing rack 11 can wrap page 13 and open, as shown in Figure 4.The left end of corresponding negative pole installing rack 11 adopts set bolt 15 to be connected with mounting panel 2.
In the concrete engineering application: first set bolt 15 is backed out, open negative pole installing rack 11, the positive pole of all photovoltaic cables is received on positive terminal mouth 4, then shut negative pole installing rack 11, tighten set bolt 15, then negative pole cable (negative pole of all photovoltaic cables in other words) is received on negative terminals mouth 3.Certainly, also can by the positive and negative polarities of one group of cable of getting lines crossed respectively with the binding post of positive terminal mouth 4, the corresponding connection of binding post of negative terminals mouth 3, and then carry out the get lines crossed positive and negative polarities of cable of next group and connect, can reduce while installing the probability that dislocation is occurring the cable of not getting lines crossed on the same group.The unlatching of negative pole installing rack 11 is still closed does not affect the cable connection.
The header box that the utility model embodiment provides, positive terminal mouth and negative terminals mouth are arranged in parallel, the positive terminal mouth is arranged on mounting panel, the negative terminals mouth is arranged on movably on the negative pole installing rack, can make each group string positive and negative polarities cable arrange nearby, reach the technique effect neat, easy for installation of arranging, solved do not get lines crossed on the same group cable easily dislocation and the large technical problem of reason line workload.
In addition, during photovoltaic plant is built, one of the central factor that relates to the safety in power station is exactly the quality problems of header box.Existing much because of the header box heat damage case of even burning in concrete enforcement, had a strong impact on the normal operation of photovoltaic plant.Because header box generally moves under direct sunlight out of doors, ambient temperature is higher, and especially, in some color steel sheet roofing photovoltaic projects, temperature is higher.Therefore, the heat dispersion of header box inside is just most important.The core heater members of header box is the counnter attack diode, and the design of its fin, mounting means are one of bottleneck problems of photovoltaic combiner box development.
Therefore, further, the utility model embodiment provides a kind of header box, and described header box also comprises: counnter attack diode 7 and fin 8; Counnter attack diode 7 is arranged on fin 8, and the fin 8 that is provided with counnter attack diode 7 is arranged on the back side of mounting panel 2, and mounting panel 2 is provided with perforate, and counnter attack diode 7 passes from the perforate of mounting panel 2, shown in Fig. 1-4.Like this, the heat dissipation channel of fin 8 is in the whole space of mounting panel 2 bottoms, and the heat flow passage is openr, and radiating efficiency is high; And, also fin 8 and other device can be separated, thereby solve the not smooth technical problem of header box heat radiation.The back side of mounting panel 2 is the surface that positive terminal mouth 4 and negative terminals mouth 3 are not set on mounting panel 2.
Inferior selection of land, the utility model embodiment provides another kind of header box, with the difference part of above-mentioned header box, be, counnter attack diode 7 is arranged on fin 8, the fin 8 that is provided with counnter attack diode 7 is arranged on the outside of casing 1, casing 1 is provided with perforate, and counnter attack diode 7 enters the inside of casing 1 from the perforate of casing 1.Fin 8 is installed to casing 1 outside of header box, fin 8 can directly contact with extraneous air, and heat dispersion is better, but the casing waterproofing design requires to increase, and is not suitable for the wall hanging installation.
The header box that the utility model embodiment provides, the two poles of the earth Wiring port mutually noninterfere, each group string positive and negative polarities cable is being arranged nearby, reaches the technique effect neat, easy for installation of arranging, and has solved do not get lines crossed on the same group cable easily dislocation and the large technical problem of reason line workload; Simultaneously, by fin being arranged on to mounting panel bottom, reach heat dissipation channel open and with the separated technique effect of other device, solved the not smooth technical problem of header box heat radiation.
Embodiment bis-
The utility model embodiment provides a kind of electric power system, comprising: any above-mentioned header box.Described electric power system can be photovoltaic generating system, or wind generator system, or comprises the electricity generation system of multiple forms of electricity generation, or other need to arrange the electric power system of header box.
It should be noted that the described technical characterictic of the utility model embodiment, in the situation that do not conflict, can mutually be used in combination arbitrarily.
The above; it is only embodiment of the present utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (14)
1. a header box, comprise mounting panel and negative terminals mouth, and be arranged on the positive terminal mouth on described mounting panel, it is characterized in that, described header box also comprises: the negative pole installing rack, and described negative pole installing rack is arranged on described mounting panel; Described negative pole installing rack has an installing rack assembly, between described installing rack assembly and described mounting panel, has space, and described negative terminals mouth is arranged on described installing rack assembly; Described negative terminals mouth and described positive terminal mouth are arranged in parallel.
2. header box according to claim 1, is characterized in that, the center line of described positive terminal mouth overlaps with the center line of described negative terminals mouth.
3. header box according to claim 1, is characterized in that, also comprises: the negative pole confluence copper bar be connected with the negative terminals mouth, described negative pole confluence copper bar is arranged on described installing rack assembly.
4. header box according to claim 1, is characterized in that, the described space between described installing rack assembly and described mounting panel is 10-40mm.
5. header box according to claim 1, is characterized in that, described negative pole installing rack is arch.
6. header box according to claim 1, is characterized in that, described negative pole installing rack is arranged on described mounting panel by detachable firmware.
7. according to the described header box of claim 1-6 any one, it is characterized in that, described negative pole installing rack also comprises:
Movable device, described movable device is arranged on an end of described installing rack assembly, for changing the position of described installing rack assembly, so that described negative terminals mouth does not hinder the wiring of described positive terminal mouth.
8. header box according to claim 7, is characterized in that, described movable device is hinge.
9. header box according to claim 8, is characterized in that, described negative pole installing rack also comprises: negative pole is installed side; The end that described negative pole is installed side is fixed on described mounting panel, and the other end connects described hinge.
10. header box according to claim 7, is characterized in that, described negative pole installing rack also comprises: dismountable fixed cell is arranged on the other end of described installing rack assembly.
11. header box according to claim 10, is characterized in that, described dismountable fixed cell is set bolt, or snap-in structure.
12. header box according to claim 1, is characterized in that, also comprises: counnter attack diode and fin;
Described counnter attack diode is arranged on described fin, and the fin that is provided with described counnter attack diode is arranged on the back side of described mounting panel, and described mounting panel is provided with perforate, and described counnter attack diode passes from the perforate of described mounting panel.
13. header box according to claim 1, is characterized in that, also comprises: hold the casing of described mounting panel, counnter attack diode and fin;
Described counnter attack diode is arranged on described fin, and the fin that is provided with described counnter attack diode is arranged on the outside of described casing, and described casing is provided with perforate, and described counnter attack diode enters the inside of described casing from the perforate of described casing.
14. an electric power system, is characterized in that, comprising: the described header box of claim 1-13 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204715540U CN203339989U (en) | 2013-08-02 | 2013-08-02 | Combiner box and electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204715540U CN203339989U (en) | 2013-08-02 | 2013-08-02 | Combiner box and electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339989U true CN203339989U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204715540U Expired - Lifetime CN203339989U (en) | 2013-08-02 | 2013-08-02 | Combiner box and electric power system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410633A (en) * | 2016-12-07 | 2017-02-15 | 四川行之知识产权运营服务有限公司 | Distribution box used for photovoltaic power station |
| CN106711801A (en) * | 2016-12-07 | 2017-05-24 | 四川行之知识产权运营服务有限公司 | Power distribution device |
| CN106788219A (en) * | 2017-01-23 | 2017-05-31 | 沈小红 | A kind of photovoltaic generation header box |
| CN107294487A (en) * | 2017-07-11 | 2017-10-24 | 奥特斯维能源（太仓）有限公司 | A kind of header box |
| CN110113001A (en) * | 2019-05-30 | 2019-08-09 | 中国人民解放军32181部队 | Multi-stage drawing type photovoltaic panel wiring structure |
-
2013
- 2013-08-02 CN CN2013204715540U patent/CN203339989U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410633A (en) * | 2016-12-07 | 2017-02-15 | 四川行之知识产权运营服务有限公司 | Distribution box used for photovoltaic power station |
| CN106711801A (en) * | 2016-12-07 | 2017-05-24 | 四川行之知识产权运营服务有限公司 | Power distribution device |
| CN106788219A (en) * | 2017-01-23 | 2017-05-31 | 沈小红 | A kind of photovoltaic generation header box |
| CN107294487A (en) * | 2017-07-11 | 2017-10-24 | 奥特斯维能源（太仓）有限公司 | A kind of header box |
| CN110113001A (en) * | 2019-05-30 | 2019-08-09 | 中国人民解放军32181部队 | Multi-stage drawing type photovoltaic panel wiring structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |