CN113852118A - Photovoltaic phase-sequence-free power generation system - Google Patents
Photovoltaic phase-sequence-free power generation system Download PDFInfo
- Publication number
- CN113852118A CN113852118A CN202110919113.1A CN202110919113A CN113852118A CN 113852118 A CN113852118 A CN 113852118A CN 202110919113 A CN202110919113 A CN 202110919113A CN 113852118 A CN113852118 A CN 113852118A
- Authority
- CN
- China
- Prior art keywords
- low
- phase
- sequence
- installation
- power generation
- 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
- 238000010248 power generation Methods 0.000 title claims abstract description 30
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 42
- 238000005192 partition Methods 0.000 claims description 3
- 238000000819 phase cycle Methods 0.000 claims 2
- 239000003990 capacitor Substances 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- 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 invention discloses a photovoltaic phase-sequence-free power generation system which comprises a solar cell panel, a capacitor cabinet, a three-phase generator and a low-voltage cabinet which are electrically connected in sequence, wherein the three-phase generator and the capacitor cabinet are connected in a phase-sequence-free connection mode, a power distribution element is arranged in the low-voltage cabinet, an input end and an output end are arranged on the power distribution element, the input end is connected with the three-phase generator, the output end is connected with a voltage monitor and an output cable, a control switch is arranged on the output cable, and the voltage monitor is electrically connected with the control switch. Compared with a traditional photovoltaic power generation system, the photovoltaic phase-sequence-free power generation system reduces the inverters, so that electric energy in the capacitor cabinet is output to the three-phase generator without passing through the inverters, and then is directly output to civil two-phase electricity through the low-voltage cabinet, and the loss of the electric energy is reduced.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic phase-sequence-free power generation system.
Background
A photovoltaic power generation system is a device that converts solar energy into electrical energy.
Inverters are generally included in existing photovoltaic power generation systems to convert direct current into alternating current, but the inverters cause a loss of electrical energy.
Disclosure of Invention
The invention mainly aims to provide a photovoltaic phase-sequence-free power generation system, and aims to solve the problem that an inverter in the photovoltaic power generation system can cause a large amount of electric energy loss.
The invention aims to achieve the aim.
In the technical scheme of the invention, compared with the traditional photovoltaic power generation system, the photovoltaic phase-sequence-free power generation system reduces the inverters, so that the electric energy in the capacitor cabinet is output to the three-phase generator without passing through the inverters and then is directly output to civil two-phase electricity through the low-voltage cabinet, and the loss of the electric energy is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of a photovoltaic phase-sequence-free power generation system according to the present invention.
Fig. 2 is a schematic view of installation of a low-voltage cabinet and an installation box in the photovoltaic phase-sequence-free power generation system.
Fig. 3 is a schematic structural diagram of a mounting mechanism in a photovoltaic phase-sequence-free power generation system in a closed state according to the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 2.
Fig. 5 is an enlarged view of a portion B in fig. 4.
Fig. 6 is a top view of a mounting plate in a photovoltaic phase-sequence-free power generation system according to the present invention.
Fig. 7 is a side view of an installation box in a photovoltaic phase-sequence-free power generation system according to the present invention.
The reference numbers illustrate: 1-solar panel, 2-capacitor cabinet, 3-three-phase generator, 4-low voltage cabinet, 5-voltage monitor, 6-control switch, 7-installation box, 8-isolation board, 9-first installation cavity, 10-second installation cavity, 11-installation board, 12-support bar, 13-support leg, 14-clamping bar, 15-first clamping block, 16-second clamping block, 17-sliding groove, 18-fixed clamping bar, 19-groove, 20-fixed block, 21-sliding rod, 22-movable rack, 23-spring, 24-limiting block, 25-routing pipe, 26-routing hole and 27-routing wheel.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, a photovoltaic phase-sequence-free power generation system includes a solar cell panel 1, a capacitor box 2, a three-phase generator 3 and a low voltage cabinet 4 which are electrically connected in sequence, a phase-sequence-free connection mode is adopted between the three-phase generator 3 and the capacitor box 2, a distribution element is arranged in the low voltage cabinet 4, an input end and an output end are arranged on the distribution element, the input end is connected with the three-phase generator 3, the output end is connected with a voltage monitor 5 and an output cable, a control switch 6 is arranged on the output cable, and the voltage monitor 5 is electrically connected with the control switch 6.
In this embodiment, compared with a conventional photovoltaic power generation system, the photovoltaic phase-sequence-free power generation system reduces inverters, so that the electric energy in the capacitor box 2 is output to the three-phase generator 3 without passing through the inverters, and then is directly output to the civil two-phase power through the low-voltage box 4, thereby reducing the loss of the electric energy. And through setting up voltage monitor 5 and control switch 6, voltage monitor 5 is used for monitoring the voltage of 4 outputs of low-voltage board, and when the voltage of 4 outputs of low-voltage board was too high or crossed low, voltage monitor 5 sent signal gave control switch 6, and control switch 6 directly breaks off the circuit, prevents that the voltage of 4 outputs of low-voltage board is too high or crossed low and causes the damage to the consumer.
Referring to fig. 2 and 4, an installation box 7 is fixedly connected to the low-voltage cabinet 4, a box door is hinged to the installation box 7, a partition plate 8 is arranged in the installation box 7, the partition plate 8 divides the installation box 7 into a first installation cavity 9 and a second installation cavity 10, the voltage monitor 5 is located in the first installation cavity 9, the control switch 6 is located in the second installation cavity 10, and an installation mechanism is arranged on the low-voltage cabinet 4 and used for installing the installation box 7.
In this embodiment, through the installation box 7 fixed connection that will be used for installing voltage monitor 5 and control switch 6 on low-voltage cabinet 4, can effectively shorten the length of wiring between distribution element in voltage monitor 5 and control switch 6 and the low-voltage cabinet 4, can reduce the loss of electric energy, make voltage monitor 5 monitor 4 output voltage more accurate of low-voltage cabinet.
Referring to fig. 2 and 4, the mounting mechanism includes a mounting plate 11 hinged to the low-voltage cabinet 4, a support rod 12 is hinged to the bottom of the mounting plate 11, a support leg 13 is slidably connected to the bottom of the support rod 12, the support rod 12 is located on a side away from the low-voltage cabinet 4, and the mounting mechanism has an open state and a closed state; when the mounting mechanism is in an open state, the mounting plate 11 is vertical to the end surface of the low-voltage cabinet 4, and the support rod 12 is vertical to the mounting plate 11; when the mounting mechanism is in a closed state, the support rod 12 is attached to the mounting plate 11, and the mounting plate 11 is attached to the end face of the low-voltage cabinet 4.
In the embodiment, the mounting mechanism has an open state and a closed state, and when the mounting box 7 is not needed, the mounting mechanism is in the closed state, so that the floor area of the low-voltage cabinet 4 can be reduced; in the case where the mounting case 7 is required, the mounting mechanism is brought into an open state, and then the mounting case 7 is mounted on the mounting plate 11. It should be particularly noted that the photovoltaic phase-sequence-free power generation system does not always need the voltage monitor 5 to monitor the output voltage of the low-voltage cabinet 4 at any time, and only needs the voltage monitor to monitor the output voltage of the low-voltage cabinet 4 under special conditions, such as severe weather or aging of some components, in order to prevent the voltage output by the low-voltage cabinet 4 from being unstable.
Referring to fig. 2, 3, 4 and 6, a plurality of clamping strips 14 are arranged at the top of the mounting plate 11, the clamping strips 14 are arranged along the length direction of the mounting plate 11, a plurality of first clamping blocks 15 are arranged on the low-voltage cabinet 4, the first clamping blocks 15 are clamped and matched with the clamping strips 14, a second clamping block 16 is arranged at the bottom of the mounting plate 11, and the second clamping block 16 is clamped and matched with the support rod 12; when the mounting mechanism is in a closed state, the clamping strip 14 is clamped in the first clamping block 15, and the supporting rod 12 is clamped in the second clamping block 16.
In the present embodiment, when the mounting mechanism is in the closed state, the clamping strip 14 is clamped into the first clamping block 15, so that the rotation of the mounting plate 11 is limited; the support rod 12 is clamped into the second clamping block 16, so that the rotation of the support rod 12 is limited.
Referring to fig. 6 and 7, a sliding groove 17 is formed at the bottom of the mounting box 7, the sliding groove 17 is slidably connected with the clamping strip 14, and a fixing component is arranged between the mounting box 7 and the mounting plate 11.
In the present embodiment, when the mounting box 7 is mounted on the mounting plate 11, the sliding connection between the sliding groove 17 and the clamping strip 14 restricts the movement of the mounting box 7 in the height and width directions and restricts the rotation of the mounting box 7, so that the mounting box 7 can only move along the length direction of the clamping strip 14, and when the mounting box 7 moves to the corresponding position, the mounting box 7 is fixed by the fixing component. Can prevent that voltage monitor 5 and control switch 6 in the install bin 7 from taking place the displacement at the during operation, install bin 7, causing the damage of connecting cable.
Referring to fig. 4 and 5, the fixing assembly includes a fixed rack 18, a fixed block 20, a sliding rod 21, a movable rack 22, a spring 23, and a limiting block 24, the fixed rack 18 is fixedly connected to the top of the mounting plate 11, the fixed rack 18 is parallel to the clip strip 14, a groove 19 for the fixed rack 18 to pass through is disposed at the bottom of the mounting box 7, the fixed block 20 is fixedly connected to the mounting box 7, the fixed block 20 is located right above the groove 19, a circular channel is disposed on the fixed block 20 along a vertical direction, the sliding rod 21 is slidably connected in the circular channel, the movable rack 22 is fixedly connected to the bottom of the sliding rod 21, the movable rack 22 is disposed corresponding to the fixed rack 18, the spring 23 is disposed between the movable rack 22 and the fixed block 20, the spring 23 has an elastic force such that the movable rack 22 moves toward a direction close to the fixed rack 18 and the movable rack 22 and the fixed rack 18 meshes with the fixed rack 18, stopper 24 is fixedly connected to the top of slide rod 21, and the diameter of stopper 24 is greater than the diameter of the circular channel.
In this embodiment, the working principle of the fixing assembly is that when the mounting box 7 needs to be moved, the sliding rod 21 is driven upwards to drive the movable rack 22 to move upwards, so that the movable rack 22 and the fixed rack 18 do not interfere with each other, when the mounting box 7 moves to a corresponding position, the sliding rod 21 is stopped being driven, at this time, the movable rack 22 moves downwards under the action of the elastic force of the spring 23, so that the movable rack 22 and the fixed rack 18 are meshed with each other, thereby limiting the movement of the mounting box 7 and achieving the purpose of fixing the mounting box 7.
Referring to fig. 4, the installation box 7 is provided with a routing pipe 25, a routing hole 26 is provided on the low voltage cabinet 4 at a position corresponding to the routing pipe 25, and when the installation box 7 is installed on the low voltage cabinet 4, the routing pipe 25 is inserted into the low voltage cabinet 4 from the routing hole 26.
In this embodiment, the wiring duct 25 is provided to protect the connection cable between the installation box 7 and the low-voltage cabinet 4.
Referring to fig. 4, the bottom of the mounting box 7 is provided with a traveling wheel 27.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a photovoltaic does not have phase sequence power generation system, its characterized in that, including solar cell panel, electric capacity cabinet, three-phase generator and the low-voltage cabinet of electricity connection in proper order, three-phase generator with adopt the connected mode of no phase sequence between the electric capacity cabinet, be equipped with distribution element in the low-voltage cabinet, be equipped with input and output on the distribution element, the input with three-phase generator is connected, the output is connected with voltage monitor and output cable, be equipped with control switch on the output cable, voltage monitor with the control switch electricity is connected.
2. The photovoltaic phase-sequence-free power generation system of claim 1, wherein an installation box is fixedly connected to the low-voltage cabinet, a box door is hinged to the installation box, a partition board is arranged in the installation box and divides the installation box into a first installation cavity and a second installation cavity, the voltage monitor is located in the first installation cavity, the control switch is located in the second installation cavity, an installation mechanism is arranged on the low-voltage cabinet, and the installation mechanism is used for installing the installation box.
3. The photovoltaic phase-sequence-free power generation system as claimed in claim 2, wherein the mounting mechanism comprises a mounting plate hinged to the low-voltage cabinet, a support rod is hinged to the bottom of the mounting plate, a support leg is slidably connected to the bottom of the support rod, the support rod is located on the side far away from the low-voltage cabinet, and the mounting mechanism has an open state and a closed state;
when the mounting mechanism is in an open state, the mounting plate is perpendicular to the end face of the low-voltage cabinet, and the support rod is perpendicular to the mounting plate;
when the installation mechanism is in a closed state, the supporting rod is attached to the installation plate, and the installation plate is attached to the end face of the low-voltage cabinet.
4. The photovoltaic phase-sequence-free power generation system of claim 3, wherein a plurality of clamping strips are arranged on the mounting plate, the clamping strips are arranged along the length direction of the mounting plate, a plurality of first clamping blocks are arranged on the low-voltage cabinet, the first clamping blocks are clamped and matched with the clamping strips, second clamping blocks are arranged at the bottom of the mounting plate, and the second clamping blocks are clamped and matched with the supporting rods;
when the installation mechanism is in a closed state, the clamping strip is clamped into the first clamping block, and the supporting rod is clamped into the second clamping block.
5. The photovoltaic phase-sequence-free power generation system of claim 4, wherein a sliding groove is formed in the bottom of the installation box, the sliding groove is slidably connected with the clamping strip, and a fixing component is arranged between the installation box and the installation plate.
6. The photovoltaic phase-sequence-free power generation system according to claim 6, wherein the fixing component comprises a fixing rack, a fixing block, a sliding rod, a movable rack, a spring and a limiting block, the fixing rack is fixedly connected to the top of the mounting plate, the fixing rack is arranged in parallel with the clamping strip, a groove for the fixing rack to pass through is formed in the bottom of the mounting box, the fixing block is fixedly connected to the mounting box and located right above the groove, a circular channel is formed in the fixing block in the vertical direction, the sliding rod is slidably connected in the circular channel, the movable rack is fixedly connected to the bottom of the sliding rod, the movable rack and the fixing rack are arranged correspondingly, the spring is arranged between the movable rack and the fixing block, and the spring has elastic force so that the movable rack moves towards the direction close to the fixing rack and enables the movable rack to move towards the fixing rack The movable rack and the fixed rack are meshed, the limiting block is fixedly connected to the top of the sliding rod, and the diameter of the limiting block is larger than that of the circular channel.
7. The photovoltaic phase-sequence-free power generation system according to claim 2, wherein the installation box is provided with a wiring pipeline, a wiring hole is formed in the low-voltage cabinet at a position corresponding to the wiring pipeline, and when the installation box is installed on the low-voltage cabinet, the wiring pipeline is inserted into the low-voltage cabinet from the wiring hole.
8. The photovoltaic phase-sequence-free power generation system as claimed in any one of claims 2 to 7, wherein a road wheel is arranged at the bottom of the installation box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110919113.1A CN113852118A (en) | 2021-08-11 | 2021-08-11 | Photovoltaic phase-sequence-free power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110919113.1A CN113852118A (en) | 2021-08-11 | 2021-08-11 | Photovoltaic phase-sequence-free power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113852118A true CN113852118A (en) | 2021-12-28 |
Family
ID=78975711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110919113.1A Pending CN113852118A (en) | 2021-08-11 | 2021-08-11 | Photovoltaic phase-sequence-free power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113852118A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931796A (en) * | 2012-10-29 | 2013-02-13 | 上海稳得新能源科技有限公司 | Direct current/ alternating current (DC/AC) self-coupling inversion generator |
| CN204243785U (en) * | 2014-12-19 | 2015-04-01 | 湖北追日电气股份有限公司 | A kind of distributed photovoltaic power generation micro-grid system |
| CN206611187U (en) * | 2017-03-27 | 2017-11-03 | 云南农业大学 | A kind of familial distribution of cases formula photovoltaic generating system of monitoring mobile phone |
| CN108390300A (en) * | 2018-03-26 | 2018-08-10 | 河南创新电力科技有限公司 | A kind of low voltage drawing-out switching carbinet |
| CN211929920U (en) * | 2019-11-29 | 2020-11-13 | 江苏鑫勒电气科技有限公司 | Outdoor combined electric power cabinet |
| CN212366548U (en) * | 2020-06-12 | 2021-01-15 | 辽宁海纳百川电力设计有限公司 | Automatic low-voltage distribution box for power distribution |
| CN112455904A (en) * | 2020-12-04 | 2021-03-09 | 陕西天赟轩越科技有限公司 | Display device for electromechanical equipment exhibition |
-
2021
- 2021-08-11 CN CN202110919113.1A patent/CN113852118A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931796A (en) * | 2012-10-29 | 2013-02-13 | 上海稳得新能源科技有限公司 | Direct current/ alternating current (DC/AC) self-coupling inversion generator |
| CN204243785U (en) * | 2014-12-19 | 2015-04-01 | 湖北追日电气股份有限公司 | A kind of distributed photovoltaic power generation micro-grid system |
| CN206611187U (en) * | 2017-03-27 | 2017-11-03 | 云南农业大学 | A kind of familial distribution of cases formula photovoltaic generating system of monitoring mobile phone |
| CN108390300A (en) * | 2018-03-26 | 2018-08-10 | 河南创新电力科技有限公司 | A kind of low voltage drawing-out switching carbinet |
| CN211929920U (en) * | 2019-11-29 | 2020-11-13 | 江苏鑫勒电气科技有限公司 | Outdoor combined electric power cabinet |
| CN212366548U (en) * | 2020-06-12 | 2021-01-15 | 辽宁海纳百川电力设计有限公司 | Automatic low-voltage distribution box for power distribution |
| CN112455904A (en) * | 2020-12-04 | 2021-03-09 | 陕西天赟轩越科技有限公司 | Display device for electromechanical equipment exhibition |
Non-Patent Citations (1)
| Title |
|---|
| 吕万昌等编著: "《东风EQ1090汽车维修图解》", 兵器工业出版社, pages: 9 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106058112B (en) | Cylindrical battery module | |
| CN112350174B (en) | Outdoor rainproof heat dissipation type switch cabinet | |
| CN113852118A (en) | Photovoltaic phase-sequence-free power generation system | |
| CN110568244A (en) | Primary and secondary fusion voltage and current integrated sensor | |
| CN110854726B (en) | Box-type substation with relay protection function | |
| CN201153199Y (en) | Subway vehicle underframe wire groove | |
| CN207573246U (en) | A kind of light rail auxiliary power module and light rail AuCT | |
| CN215375624U (en) | Multifunctional electric power monitoring instrument | |
| CN204668725U (en) | Air switch fixture | |
| CN220291722U (en) | Dual-power automatic switching device | |
| CN219134532U (en) | Solar wing for satellite and satellite comprising same | |
| CN220325040U (en) | AC distribution box mounting structure | |
| CN213586713U (en) | Guide rail of electrical cabinet | |
| CN220492899U (en) | Solar panel mounting structure | |
| CN220066558U (en) | Electric operation safety device of power plant | |
| CN213243212U (en) | Switch cabinet with safety early warning device | |
| CN209497114U (en) | Assembly type high-protection level cable of power distribution cabinet wire-leading-out mounting plate | |
| CN210779620U (en) | Shockproof high-voltage switch cabinet | |
| CN218887874U (en) | Mutual inductor mounting structure and switch cabinet | |
| CN214100462U (en) | Low-voltage compensation distribution box easy to install | |
| CN215681296U (en) | Wall-hanging dustproof installation device of electricity distribution room SVG | |
| CN214412037U (en) | Ring main unit body | |
| CN215986211U (en) | Outdoor dampproofing installation base of energy-conserving ammeter case | |
| CN220307123U (en) | Micro inverter | |
| CN214380808U (en) | Damp-proof cabinet for photovoltaic inverter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |