CN204886183U - Direct current distribution device - Google Patents
Direct current distribution device Download PDFInfo
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- CN204886183U CN204886183U CN201520648961.3U CN201520648961U CN204886183U CN 204886183 U CN204886183 U CN 204886183U CN 201520648961 U CN201520648961 U CN 201520648961U CN 204886183 U CN204886183 U CN 204886183U
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Abstract
The utility model provides a direct current distribution device belongs to power equipment technical field. It includes direct current measuring unit, the detection modul, the monitoring module, 7 collection flow box are connected respectively to every input port's one end, the one end of first circuit breaker is connected to every input port's the other end, the one end of diode is connected to the other end of first circuit breaker, direct current measuring unit is connected to the other end of diode, direct current measuring unit still connects female the arranging of converging, direct current measuring unit is connected to detection module's one end, power module is connected to detection module's the other end, power module connects female the arranging of converging through the direct current fuse, detection module is the connection monitoring module still, female the arranging of converging is connected through the second circuit breaker to output port's one end, the dc -to -ac converter is connected to output port's the other end. The utility model discloses not only realize carrying on the intelligent monitoring of information such as electric current, trouble, voltage to every photovoltaic collection flow box, simple structure is dexterous moreover, and is with low costs.
Description
Technical field
The utility model relates to electrical equipment technical field, particularly a kind of DC switchgear.
Background technology
Photovoltaic generation: be according to photovoltaic effect principle, utilize solar cell that solar energy is converted into electric energy.The solar photovoltaic generation system of prior art comprises solar module, controller and inverter.Solar module is connected by some solar cell series and parallels and tight encapsulation forms.Rely on solar module, utilize the electronics property of semi-conducting material, when solar light irradiation is on semiconductor PN, because P-N junction barrier region creates stronger built-in electrostatic field, thus produce nonequilibrium electron in barrier region and hole or to produce outside barrier region but to diffuse into nonequilibrium electron and the hole of barrier region, under the effect of built-in electrostatic field, move respectively towards rightabout, leave barrier region, result makes P district electromotive force raise, N district electromotive force reduces, thus produces voltage and current in external circuit, and light energy conversion is become electric energy.But along with the development and progress of society, some areas, population gets more and more, and Land Demand is increasing, and the price in soil climbs up and up, and the soil needed for solar power station installation becomes problem.Cultivate fishery simultaneously, also known as aquaculture, refer to that, on the coast by artificial opened up fish pond, cultured fishes or various seafood, with edible.The fish of some kind does not like sunlight so need sunshading board is built in fish pond when cultivating again, and is fish lucifuge.Fish pond inherently uses broad soil, and the photovoltaic generating system engineering birth upper strata of fishing light complementation is used for photovoltaic generation, and lower floor is used for aquaculture.As long as owing to photovoltaic panel support Three-dimensional cloth being placed in above the water surface and fish pond bank, therefore do not need to take valuable agricultural, industry, residential land.This has not only saved soil, improves unit are Land Economic and is worth, while generating, also can not affect aquaculture, has the feature of " ground is dual-purpose, and fishing light is complementary ", achieves the win-win of social benefit, economic benefit and environmental benefit.In photovoltaic generating system; usually need to use DC distribution equipment; the effect of DC distribution equipment be direct current energy is distributed, defencive function, but current DC distribution equipment can not realize carrying out the intellectual monitorings such as electric current, fault, voltage to each photovoltaic combiner box.
Utility model content
The purpose of this utility model is to provide a kind of DC switchgear, and not only realize the intellectual monitoring each photovoltaic combiner box being carried out to the information such as electric current, fault, voltage, and structure is simply dexterous, cost is low.
The utility model solves the technical scheme that its technical problem adopts:
A kind of DC switchgear, it comprises casing, input port, output port, header box, first circuit breaker, diode, DC measurement, detection module, power module, monitoring module, DC fuse, conflux busbar, first special disconnector, second special disconnector, 3rd special disconnector, first lightning arrester, second lightning arrester, second circuit breaker, inverter, described input port and output port are arranged on the both sides of casing, described input port quantity is 7, one end of each input port connects 7 header boxs respectively, the other end of each input port connects one end of the first circuit breaker, the other end of described first circuit breaker connects one end of diode, the other end of described diode connects DC measurement, described DC measurement also connects the busbar that confluxes, one end of described detection module connects DC measurement, the other end of described detection module connects power module, described power module connects by DC fuse the busbar that confluxes, described detection module also connects monitoring module, one end of described first lightning arrester and the second lightning arrester is connected in parallel in the busbar that confluxes, described first lightning arrester is connected one end of the first special disconnector and the second special disconnector respectively with the other end of the second lightning arrester, described first special disconnector is all connected the 3rd special disconnector with the other end of the second special disconnector, described 3rd special disconnector ground connection, one end of described output port connects by the second circuit breaker the busbar that confluxes, the other end of described output port connects inverter.
Further, described second circuit breaker model is CW3DC, and with auxiliary contact, FBT3DC communication module.
Further, the model of described first circuit breaker is CM3DC.
Further, the specified forward operating current 200A of described diode, maximum reverse is withstand voltage 1600V.
Further, described fuse rated current is 2A, and rated voltage is 1000V.
Further, described monitoring module has the function of monitoring current, voltage, fault warning.
The utility model compared to the prior art, have the following advantages and effect: the electric current that photovoltaic panel produces is after each header box confluxes, enter the first circuit breaker by input port, enter DC measurement through diode, by confluxing, busbar and the second circuit breaker output to inverter.Detection module connects monitoring module; monitoring module has the function of monitoring current, voltage, fault warning, realizes the Real-Time Monitoring to electric current, voltage, occurs then can give the alarm if any fault; so that operating personnel keep in repair fast, achieve direct current energy is distributed, defencive function.The model of the first circuit breaker is CM3DC, stable.DC fuse rated current is 2A, and rated voltage is 1000V, when current is excessive, circuit is disconnected, the available protecting use safety of detection module and monitoring module.The setting of the first special disconnector, the second special disconnector, the 3rd special disconnector, the first lightning arrester, the second lightning arrester effectively reduces thunder and lightning to equipment and harm.Second circuit breaker model is CW3DC, and with auxiliary contact, FBT3DC communication module, can realize the collection of the real-time current to output loop like this.The utility model not only realizes the intellectual monitoring each photovoltaic combiner box being carried out to the information such as electric current, fault, voltage, and structure is simply dexterous, and cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1. casing, 2. input port, 3. output port, 4. header box, 5. the first circuit breaker, 6. diode, 7. DC measurement, 8. detection module, 9. power module, 10. monitoring module, 11. DC fuses, 12. conflux busbar, 13. first special disconnectors, 14. second special disconnectors, 15. the 3rd special disconnectors, 16. first lightning arresters, 17. second lightning arresters, 18. second circuit breakers, 19. inverters.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
As shown in Figure 1, a kind of DC switchgear, it comprises casing 1, input port 2, output port 3, header box 4, first circuit breaker 5, diode 6, DC measurement 7, detection module 8, power module 9, monitoring module 10, DC fuse 11, conflux busbar 12, first special disconnector 13, second special disconnector 14, 3rd special disconnector 15, first lightning arrester 16, second lightning arrester 17, second circuit breaker 18, inverter 19, described input port 2 and output port 3 are arranged on the both sides of casing 1, described input port 2 quantity is 7, one end of each input port 2 connects 7 header boxs 4 respectively.The other end of each input port 2 connects one end of the first circuit breaker 5, and the other end of described first circuit breaker 5 connects one end of diode 6, and the model of described first circuit breaker 5 is CM3DC, stable.The other end of described diode 6 connects DC measurement 7, the specified forward operating current 200A of described diode 6, maximum reverse is withstand voltage 1600V.Described DC measurement 7 also connects the busbar 12 that confluxes; one end of described detection module 8 connects DC measurement 7; the other end of described detection module 8 connects power module 9; described power module 9 connects by DC fuse 11 busbar 12 that confluxes; described DC fuse 11 rated current is 2A, and rated voltage is 1000V, when current is excessive; circuit is disconnected, the available protecting use safety of detection module 8 and monitoring module 10.Described detection module 8 also connects monitoring module 10, and described monitoring module 10 has the function of monitoring current, voltage, fault warning, realizes the Real-Time Monitoring to electric current, voltage, occurs then can give the alarm, so that operating personnel keep in repair fast if any fault.One end of described first lightning arrester 16 and the second lightning arrester 17 is connected in parallel in the busbar 12 that confluxes, described first lightning arrester 16 and the other end of the second lightning arrester 17 are connected one end of the first special disconnector 13 and the second special disconnector 14 respectively, described first special disconnector 13 is all connected the 3rd special disconnector 15 with the other end of the second special disconnector 14, described 3rd special disconnector 15 ground connection, such structure effectively reduces thunder and lightning to equipment and harm.One end of described output port 3 connects by the second circuit breaker 18 busbar 12 that confluxes, and the other end of described output port 3 connects inverter 19.Described second circuit breaker 18 model is CW3DC, and with auxiliary contact, FBT3DC communication module, can realize the collection of the real-time current to output loop like this.
Pass through technique scheme, when a kind of DC switchgear of the utility model uses, the electric current that photovoltaic panel produces is after each header box 4 confluxes, the first circuit breaker 5 is entered by input port 2, enter DC measurement 7 through diode 6, by confluxing, busbar 12 and the second circuit breaker 18 output to inverter 19.Detection module 8 connects monitoring module 10; monitoring module 10 has the function of monitoring current, voltage, fault warning; realize the Real-Time Monitoring to electric current, voltage; occur then can give the alarm if any fault; so that operating personnel keep in repair fast, achieve direct current energy is distributed, defencive function.The utility model not only realizes the intellectual monitoring each photovoltaic combiner box 4 being carried out to the information such as electric current, fault, voltage, and structure is simply dexterous, and cost is low.
Above content described in this specification is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of the utility model specification or surmount this scope as defined in the claims, protection range of the present utility model all should be belonged to.
Claims (6)
1. a DC switchgear, is characterized in that: it comprises casing, input port, output port, header box, first circuit breaker, diode, DC measurement, detection module, power module, monitoring module, DC fuse, conflux busbar, first special disconnector, second special disconnector, 3rd special disconnector, first lightning arrester, second lightning arrester, second circuit breaker, inverter, described input port and output port are arranged on the both sides of casing, described input port quantity is 7, one end of each input port connects 7 header boxs respectively, the other end of each input port connects one end of the first circuit breaker, the other end of described first circuit breaker connects one end of diode, the other end of described diode connects DC measurement, described DC measurement also connects the busbar that confluxes, one end of described detection module connects DC measurement, the other end of described detection module connects power module, described power module connects by DC fuse the busbar that confluxes, described detection module also connects monitoring module, one end of described first lightning arrester and the second lightning arrester is connected in parallel in the busbar that confluxes, described first lightning arrester is connected one end of the first special disconnector and the second special disconnector respectively with the other end of the second lightning arrester, described first special disconnector is all connected the 3rd special disconnector with the other end of the second special disconnector, described 3rd special disconnector ground connection, one end of described output port connects by the second circuit breaker the busbar that confluxes, the other end of described output port connects inverter.
2. a kind of DC switchgear according to claim 1, is characterized in that: described second circuit breaker model is CW3DC, and with auxiliary contact, FBT3DC communication module.
3. a kind of DC switchgear according to claim 1, is characterized in that: the model of described first circuit breaker is CM3DC.
4. a kind of DC switchgear according to claim 1, is characterized in that: the specified forward operating current 200A of described diode, maximum reverse is withstand voltage 1600V.
5. a kind of DC switchgear according to claim 1, is characterized in that: described fuse rated current is 2A, and rated voltage is 1000V.
6. a kind of DC switchgear according to claim 1, is characterized in that: described monitoring module has the function of monitoring current, voltage, fault warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520648961.3U CN204886183U (en) | 2015-08-26 | 2015-08-26 | Direct current distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520648961.3U CN204886183U (en) | 2015-08-26 | 2015-08-26 | Direct current distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204886183U true CN204886183U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520648961.3U Expired - Fee Related CN204886183U (en) | 2015-08-26 | 2015-08-26 | Direct current distribution device |
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| Country | Link |
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| CN (1) | CN204886183U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108701992A (en) * | 2016-02-18 | 2018-10-23 | 伟肯有限公司 | A kind of arrangement and method for power bus |
| CN110896227A (en) * | 2018-09-12 | 2020-03-20 | 阳光电源股份有限公司 | Photovoltaic power generation system and photovoltaic inverter |
-
2015
- 2015-08-26 CN CN201520648961.3U patent/CN204886183U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108701992A (en) * | 2016-02-18 | 2018-10-23 | 伟肯有限公司 | A kind of arrangement and method for power bus |
| CN108701992B (en) * | 2016-02-18 | 2022-06-24 | 伟肯有限公司 | Direct current distribution system |
| US11411399B2 (en) | 2016-02-18 | 2022-08-09 | Vacon Oy | Arrangement and method for a power bus |
| CN110896227A (en) * | 2018-09-12 | 2020-03-20 | 阳光电源股份有限公司 | Photovoltaic power generation system and photovoltaic inverter |
| CN110896227B (en) * | 2018-09-12 | 2021-11-02 | 阳光电源股份有限公司 | Photovoltaic power generation system and photovoltaic inverter |
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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: 20151216 Termination date: 20200826 |