CN204030998U - A kind of photovoltaic DC-to-AC converter cabinet and photovoltaic DC-to-AC converter - Google Patents
A kind of photovoltaic DC-to-AC converter cabinet and photovoltaic DC-to-AC converter Download PDFInfo
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- CN204030998U CN204030998U CN201420416651.4U CN201420416651U CN204030998U CN 204030998 U CN204030998 U CN 204030998U CN 201420416651 U CN201420416651 U CN 201420416651U CN 204030998 U CN204030998 U CN 204030998U
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- photovoltaic
- case lid
- converter cabinet
- converter
- conductive component
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- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The utility model discloses a kind of photovoltaic DC-to-AC converter cabinet and photovoltaic DC-to-AC converter, described photovoltaic DC-to-AC converter cabinet comprises: be provided with the metal cabinet of opening, described casing comprises: base plate and the sidewall of the bottom plate that is arranged on described base plate surrounding; Detachably be fixed on the metal case lid of described opening part, described case lid and described casing form enclosure space; Be fixed on the conductive component on described sidewall of the bottom plate and surface, described case lid joint, described conductive component makes described casing be electrically connected to described case lid.Described photovoltaic DC-to-AC converter cabinet adopts casing and the case lid of metal material, and adopt conductive component to make the two form electrical connection, so, the enclosure space of the two formation just can have good electromagnetic shielding action, and with in situation out of doors, weatherability is better, and shielding properties is more reliable, therefore the photovoltaic DC-to-AC converter that, has a described photovoltaic DC-to-AC converter cabinet has stronger capability of electromagnetic shielding and weatherability.
Description
Technical field
The utility model relates to photovoltaic power generation technology field, more particularly, relates to a kind of photovoltaic DC-to-AC converter cabinet and photovoltaic DC-to-AC converter.
Background technology
Solar energy power generating belongs to clean reproducible energy, and development extensive use photovoltaic power generation technology have important function for alleviating the shortage of conventional energy resource and reducing environmental pollution.Photovoltaic DC-to-AC converter changes into alternating current and generates electricity by way of merging two or more grid systems with power supply grid for the direct current that solar cell is sent, and it is having vital effect aspect development and utilization of solar energy.
Existing photovoltaic DC-to-AC converter comprises: photovoltaic DC-to-AC converter cabinet and be encapsulated in the various functional circuit parts in described photovoltaic DC-to-AC converter cabinet.In order to prevent the interference of external electromagnetic signal to described electric device, need to adopt the photovoltaic DC-to-AC converter cabinet with electromagnetic shielding action.General conductive fabric or the conductive foam that is arranged on photovoltaic DC-to-AC converter cabinet inwall that adopt of traditional photovoltaic DC-to-AC converter cabinet.
But conductive fabric or conducting foam easily come off or damage, thereby affect the electromagnetic shielding action of photovoltaic DC-to-AC converter cabinet.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of photovoltaic DC-to-AC converter cabinet and photovoltaic DC-to-AC converter, and described photovoltaic DC-to-AC converter cabinet has good electromagnetic shielding action.
For achieving the above object, the utility model provides following technical scheme:
A photovoltaic DC-to-AC converter cabinet, this photovoltaic DC-to-AC converter cabinet comprises:
Be provided with the metal cabinet of opening, described casing comprises: base plate and the sidewall of the bottom plate that is arranged on described base plate surrounding;
Detachably be fixed on the metal case lid of described opening part, described case lid and described casing form enclosure space;
Be fixed on the conductive component on described sidewall of the bottom plate and surface, described case lid joint, described conductive component makes described casing be electrically connected to described case lid.
Preferably, in above-mentioned photovoltaic DC-to-AC converter cabinet, described case lid comprises:
Top board;
Be arranged on the top board sidewall of described top board surrounding;
Wherein, described top board sidewall and described sidewall of the bottom plate are oppositely arranged.
Preferably, in above-mentioned photovoltaic DC-to-AC converter cabinet, the dismountable surface that is fixed on described sidewall of the bottom plate and described case lid joint of described conductive component.
Preferably, in above-mentioned photovoltaic DC-to-AC converter cabinet, described contact surface is provided with fixture, and described conductive component is fixed on described contact surface by described fixture is dismountable.
Preferably, in above-mentioned photovoltaic DC-to-AC converter cabinet, described conductive component is metal clips.
Preferably, in above-mentioned photovoltaic DC-to-AC converter cabinet, also comprise:
Be arranged on sealant between described casing and described case lid.
Preferably, in above-mentioned photovoltaic DC-to-AC converter cabinet, described sealant is fluid sealant or rubber sheet gasket.
Preferably, in above-mentioned photovoltaic DC-to-AC converter cabinet, described photovoltaic DC-to-AC converter cabinet comprises conductive component described at least one.
Preferably, in above-mentioned photovoltaic DC-to-AC converter cabinet, described conductive component one end directly contacts with the metal base of described casing, and the other end directly contacts with the metal base of described case lid.
The utility model also provides a kind of photovoltaic DC-to-AC converter, and this photovoltaic DC-to-AC converter comprises:
Photovoltaic DC-to-AC converter cabinet described in above-mentioned any execution mode.
From technique scheme, can find out, photovoltaic DC-to-AC converter cabinet provided by the utility model, comprising: be provided with the metal cabinet of opening, described casing comprises: base plate and the sidewall of the bottom plate that is arranged on described base plate surrounding; Detachably be fixed on the metal case lid of described opening part, described case lid and described casing form enclosure space; Be fixed on the conductive component on described sidewall of the bottom plate and surface, described case lid joint, described conductive component makes described casing be electrically connected to described case lid.Described photovoltaic DC-to-AC converter cabinet adopts casing and the case lid of metal material, and adopt conductive component to make the two form electrical connection, so, the enclosure space of the two formation just can have good electromagnetic shielding action, electromagnetic shielding mode with respect to traditional employing conductive fabric or conducting foam, capability of electromagnetic shielding is stronger, and avoided conductive fabric or conducting foam to come off or damaged and affect the problem of photovoltaic DC-to-AC converter cabinet capability of electromagnetic shielding, therefore the photovoltaic DC-to-AC converter that, has a described photovoltaic DC-to-AC converter cabinet has stronger capability of electromagnetic shielding.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the structural representation of the case lid of photovoltaic DC-to-AC converter cabinet described in the embodiment of the present application;
Fig. 2 is the structural representation of the casing of photovoltaic DC-to-AC converter cabinet described in the embodiment of the present application;
The structural representation of a kind of photovoltaic DC-to-AC converter cabinet that Fig. 3 provides for the embodiment of the present application.
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 the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As described in background, adopt conductive component or conducting foam to realize the electromagnetic shielding of photovoltaic DC-to-AC converter, due to conductive fabric or conducting foam easily comes off or damages, can affect the electromagnetic shielding action of photovoltaic DC-to-AC converter cabinet.And the conductive component coming off or conducting foam may cause the short circuit of cabinet inside electric device, cause the damage of inverter.
For addressing the above problem, the embodiment of the present application provides a kind of photovoltaic DC-to-AC converter cabinet, it is characterized in that, comprising: be provided with the metal cabinet of opening, described casing comprises: base plate and the sidewall of the bottom plate that is arranged on described base plate surrounding; Detachably be fixed on the metal case lid of described opening part, described case lid and described casing form enclosure space; Be fixed on the conductive component on described sidewall of the bottom plate and surface, described case lid joint, described conductive component makes described casing be electrically connected to described case lid.
Described photovoltaic DC-to-AC converter cabinet adopts casing and the case lid of metal material, and adopt conductive component to make the two form electrical connection, so, the enclosure space of the two formation just can have good electromagnetic shielding action, electromagnetic shielding mode with respect to traditional employing conductive fabric or conducting foam, capability of electromagnetic shielding is stronger, and avoided conductive fabric or conducting foam to come off or damaged and affect the problem of photovoltaic DC-to-AC converter cabinet capability of electromagnetic shielding, having avoided because conductive fabric or conducting foam come off or damage the short circuit problem of electric device in the casing causing simultaneously.
With reference to figure 1, Fig. 1 is the structural representation of the case lid of photovoltaic DC-to-AC converter cabinet described in the embodiment of the present application, and case lid shown in Fig. 12 comprises: top board 9 and the top board sidewall 10 that is arranged on described top board 9 surroundings.Described top board 9 can be one-body molded by Shooting Technique with described sidewall 10, can be also through welding and bending technological forming.
With reference to figure 2, Fig. 2 is the structural representation of the casing of photovoltaic DC-to-AC converter cabinet described in the embodiment of the present application, and casing shown in Fig. 2 12 is provided with opening 4, and described casing 12 comprises: base plate and the sidewall of the bottom plate 1 that is arranged on described base plate surrounding.Wherein, described base plate due to visual angle reason not numerical reference illustrate.
In order to guarantee the sealing of described case lid 2 and described casing 12, make described photovoltaic DC-to-AC converter cabinet there is good waterproof and dampproof performance, between described case lid 2 and described casing 12, need to arrange sealant.In order to guarantee to be electrically connected between described case lid 2 and described casing 12, be, after being sealed, the two can form the electromagnetic shielding space of sealing, described photovoltaic DC-to-AC converter cabinet also comprises: be arranged on the conductive component 3 on described sidewall of the bottom plate 1 and described case lid 2 surfaces, joint 6, described conductive component 3 makes described casing 12 be electrically connected to described case lid 2.Described sealant can be fluid sealant or rubber sheet gasket.
Dismountable opening 4 places that are fixed on described casing 12 of described case lid 2, described case lid 2 forms enclosure space with described casing 12.Because described case lid 2 is electrically connected to by described conductive component with described casing 12, the enclosure space of telling is electromagnetic shielding space, and because casing 12 is metal with case lid 2, makes described enclosure space have stronger electromagnetic shielding action.Described conductive component preferably adopts metallic elastic conductive pieces, after casing 12 and case lid 2 interfix, the pressure-acting of the compressed generation of described elastic conduction part is at described casing 12 and case lid 2, can be so that elastomeric element contacts tightr with casing 12, elastomeric element with case lid 2, the connection reliability that makes to conduct electricity is good, guarantees effectiveness.
Conductive component shown in Fig. 23 is metal clips.Described metal clips preferably adopts Al-alloy metal shell fragment or stainless steel metal shell fragment, and above-mentioned metal clips has better corrosion resistance, and weatherability is strong.When described conductive component 3 is metal clips, the predeterminated position of described contact-making surface 6 is provided with fixture, described conductive component 3 is fixed on described surperficial 6 desired location by described fixture is dismountable, by described fixture, can be fixed described metal clips, make its stability better, prevent that it from coming off.In Fig. 2 illustrated embodiment, described fixture comprises: the first securing member 5 and fixture 11.Described conductive component 3 at least arranges one.In the present embodiment, four described conductive components 3 are preferably set, described conductive component 3 forms a rectangle, so that the contact stress between described casing 12 and described case lid 2 is stable.
In other embodiments, described conductive component 3 can also be conducting foam or conducting resinl.Because described conducting foam or conducting resinl price are comparatively expensive, in order to reduce costs, when adopting conducting foam or conducting resinl as described conductive component 3, only at the contact surface 6 of described opening 4 surroundings default one of region division or a plurality of contact point, be used for arranging described conducting foam or conducting resinl.
Described casing and case lid surface can arrange sprayed coating, to protect casing and the case lid of metal material, prevent their oxide etch, the problems such as simultaneous system electric leakage and circuit.For described casing is electrically connected to case lid, form effective electromagnetic shielding space, described conductive component one end is set and directly contacts with the metal base of described casing, the other end directly contacts with the metal base of described case lid.
Photovoltaic DC-to-AC converter cabinet after 12 combinations of casing shown in case lid shown in Fig. 12 and Fig. 2 described in formation the embodiment of the present application, as shown in Figure 3, the structural representation of a kind of photovoltaic DC-to-AC converter cabinet that Fig. 3 provides for the embodiment of the present application, described case lid 2 and described casing 12 are fixed by the second securing member 7.Form the electromagnetic shielding space 8 of sealing.
Traditional employing conductive fabric and the electromagnetic shielding mode of conducting foam, be not suitable for outdoor use, and weatherability is poor, and long-term use easily lost efficacy.Technical scheme described in the present embodiment, is applicable to outdoor use, and weatherability is strong, and electromagnetic wave shielding is good.
Known by foregoing description, described in the present embodiment, photovoltaic DC-to-AC converter cabinet adopts casing and the case lid of metal material, and adopt conductive component to make the two form electrical connection, so, the enclosure space of the two formation just can have good electromagnetic shielding action, with respect to the electromagnetic shielding mode of traditional employing conductive fabric or conducting foam, capability of electromagnetic shielding is stronger, and has avoided conductive fabric or conducting foam to come off or damaged and affect the problem of photovoltaic DC-to-AC converter cabinet capability of electromagnetic shielding
The application another embodiment also provide a kind of photovoltaic DC-to-AC converter, and described photovoltaic DC-to-AC converter adopts the photovoltaic DC-to-AC converter cabinet described in above-described embodiment.Because described photovoltaic DC-to-AC converter cabinet has stronger capability of electromagnetic shielding, described in the present embodiment, photovoltaic DC-to-AC converter has stronger anti-electromagnetic interference capability.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a photovoltaic DC-to-AC converter cabinet, is characterized in that, comprising:
Be provided with the metal cabinet of opening, described casing comprises: base plate and the sidewall of the bottom plate that is arranged on described base plate surrounding;
Detachably be fixed on the metal case lid of described opening part, described case lid and described casing form enclosure space;
Be fixed on the conductive component on described sidewall of the bottom plate and surface, described case lid joint, described conductive component makes described casing be electrically connected to described case lid.
2. photovoltaic DC-to-AC converter cabinet according to claim 1, is characterized in that, described case lid comprises:
Top board;
Be arranged on the top board sidewall of described top board surrounding;
Wherein, described top board sidewall and described sidewall of the bottom plate are oppositely arranged.
3. photovoltaic DC-to-AC converter cabinet according to claim 2, is characterized in that, the dismountable surface that is fixed on described sidewall of the bottom plate and described case lid joint of described conductive component.
4. photovoltaic DC-to-AC converter cabinet according to claim 3, is characterized in that, described contact surface is provided with fixture, and described conductive component is fixed on described contact surface by described fixture is dismountable.
5. photovoltaic DC-to-AC converter cabinet according to claim 1, is characterized in that, described conductive component is metal clips.
6. photovoltaic DC-to-AC converter cabinet according to claim 1, is characterized in that, also comprises:
Be arranged on sealant between described casing and described case lid.
7. photovoltaic DC-to-AC converter cabinet according to claim 6, is characterized in that, described sealant is fluid sealant or rubber sheet gasket.
8. photovoltaic DC-to-AC converter cabinet according to claim 1, is characterized in that, described photovoltaic DC-to-AC converter cabinet comprises conductive component described at least one.
9. photovoltaic DC-to-AC converter cabinet according to claim 1, is characterized in that, described conductive component one end directly contacts with the metal base of described casing, and the other end directly contacts with the metal base of described case lid.
10. a photovoltaic DC-to-AC converter, is characterized in that, comprising:
Photovoltaic DC-to-AC converter cabinet as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420416651.4U CN204030998U (en) | 2014-07-25 | 2014-07-25 | A kind of photovoltaic DC-to-AC converter cabinet and photovoltaic DC-to-AC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420416651.4U CN204030998U (en) | 2014-07-25 | 2014-07-25 | A kind of photovoltaic DC-to-AC converter cabinet and photovoltaic DC-to-AC converter |
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| Publication Number | Publication Date |
|---|---|
| CN204030998U true CN204030998U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420416651.4U Active CN204030998U (en) | 2014-07-25 | 2014-07-25 | A kind of photovoltaic DC-to-AC converter cabinet and photovoltaic DC-to-AC converter |
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| CN (1) | CN204030998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954480A (en) * | 2018-08-15 | 2018-12-07 | 浙江宝兰电气有限公司 | A kind of all-metal electrical appliance box body |
-
2014
- 2014-07-25 CN CN201420416651.4U patent/CN204030998U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954480A (en) * | 2018-08-15 | 2018-12-07 | 浙江宝兰电气有限公司 | A kind of all-metal electrical appliance box body |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |