CN208046253U - Overvoltage control device suitable for distributed grid-connected photovoltaic - Google Patents
Overvoltage control device suitable for distributed grid-connected photovoltaic Download PDFInfo
- Publication number
- CN208046253U CN208046253U CN201820639550.1U CN201820639550U CN208046253U CN 208046253 U CN208046253 U CN 208046253U CN 201820639550 U CN201820639550 U CN 201820639550U CN 208046253 U CN208046253 U CN 208046253U
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- China
- Prior art keywords
- control device
- moving block
- fixedly connected
- electromagnet
- transmission chain
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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
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- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of overvoltage control device suitable for distributed grid-connected photovoltaic, it is related to field of electrical equipment, this is suitable for the overvoltage control device of distributed grid-connected photovoltaic, including control device shell, control device shell open up there are four be in matrix distribution mounting hole, mounting hole is plugged with bolt, bolt is fixedly connected with moving block, moving block is tetragonous rod structure, moving block movable sleeve is connected to device for screwing up, device for screwing up passes through fixed block and control device cage connection, four device for screwing up are engaged with the same transmission chain, first electromagnet and the energization of the second electromagnet repel each other separation, make block board and transmission chain separation, clockwise and anticlockwise motor starts simultaneously, drive chain drum rotation, drive moving block and bolt rotation, it can be by adjusting clockwise and anticlockwise motor rotation direction, bolt is tightened or unloaded.The utility model is not necessarily to that all bolts can be tightened or be unloaded simultaneously with screwdriver, easy to operate, time saving and energy saving, improves work efficiency.
Description
Technical field
The utility model is related to field of electrical equipment, more particularly, to a kind of overvoltage suitable for distributed grid-connected photovoltaic
Control device.
Background technology
Distributed photovoltaic power generation refers in particular to build near user place, and the method for operation generated power for their own use with user side, extra electricity
Amount online, and the photovoltaic generation facility being characterized in distribution system balance adjustment.Distributed photovoltaic power generation follows adaptation to local conditions, clear
Clean efficient, scattered distribution, the principle utilized nearby, make full use of local solar energy resources, substitute and reduce fossil energy consumption.
Distributed photovoltaic power generation refers in particular to use photovoltaic module, and solar energy is converted directly into the distributed power generation system of electric energy
System.It is it is a kind of it is novel, tool it is with broad prospects for development power generation and comprehensive utilization of energy mode, it is advocated generates electricity nearby, just
It is close grid-connected, it converts nearby, the principle used nearby can not only effectively improve the generated energy of same size photovoltaic plant, simultaneously
Also efficiently solve the problems, such as loss of the electric power in boosting and long-distance transport.
The distributed photovoltaic power generation system being most widely used at present is the photovoltaic generation item for building City Building roof in
Mesh.The intermediate item must access public electric wire net, be neighbouring customer power supply together with public electric wire net.
Overvoltage control device is typically to be fixed by bolt and mounting plate, but bolt is after repeatedly tightening and unloading
Abrasion is easy tod produce, keeps the maintenance of overvoltage control device and maintenance more difficult.And it tightens and unloads bolt needs one by one
It carries out successively, not only inefficiency, and labor intensity is big, influences working efficiency.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is suitable for distribution
The overvoltage control device of formula grid-connected photovoltaic.
A kind of overvoltage control device suitable for distributed grid-connected photovoltaic that the utility model embodiment provides, including pipe
Crust of the device is controlled, the control device shell is opened up there are four the mounting hole for being in matrix distribution, and the mounting hole is plugged with bolt,
The bolt is fixedly connected with moving block, and the moving block is tetragonous rod structure, and the moving block movable sleeve is connected to device for screwing up,
The device for screwing up is engaged with the same transmission by fixed block and control device cage connection, four device for screwing up
Chain, the transmission chain are engaged with chain drum, and the chain drum is connected in the shaft of clockwise and anticlockwise motor, and the clockwise and anticlockwise motor, which is fixed, to be connected
It is connected on control device shell, the transmission chain activity is connected with fixing device, and the fixing device is fixedly connected on management and control dress
It sets on shell.
Further, the device for screwing up includes mounting ring, and the mounting ring is hollow structure, the interior top of the mounting ring
Wall is fixedly connected with one end of fixed link, and the other end of the fixed link is fixedly connected with the inner bottom wall of mounting ring, the fixation
There are four bars, and is distributed in a ring, and the fixed link rotation is socketed with gear, and four gears are engaged on two annular tooths
Between item, two side walls of the annular rack far from gear are respectively connected with the annular connecting plate through installation ring-side wall, close
The annular connecting plate of moving block is connected with sleeve, and the sleeve is actively socketed on moving block, the annular connection far from moving block
Plate is connected with annular sprocket wheel, and the annular sprocket wheel is engaged with transmission chain.
Further, the fixing device includes the first electromagnet, and first electromagnet is fixed with control device shell
Connection, the first electromagnet activity are plugged with connecting rod, and the connecting rod is fixedly connected with screens close to one end of transmission chain
Plate is fixedly connected with the protrusion of matching transmission chain on the block board, and the one end of the connecting rod far from transmission chain is fixedly connected
There are the second electromagnet, second electromagnet to be connect with the side wall of the first electromagnet by spring.
Further, the one end of the moving block far from bolt is fixedly connected with handle.
Further, the handle is U-shaped structure.
Further, it is provided with continuous groove on the inner wall of the U-shaped handle, for accommodating finger.
Further, it is enclosed with Anti-slip cover on the handle.
Further, the material of the Anti-slip cover is rubber.
The utility model embodiment brings following advantageous effect：
The overvoltage control device suitable for distributed grid-connected photovoltaic that the utility model embodiment provides, including management and control dress
Shell is set, the control device shell is opened up there are four the mounting hole for being in matrix distribution, and the mounting hole is plugged with bolt, described
Bolt is fixedly connected with moving block, and the moving block is tetragonous rod structure, and the moving block movable sleeve is connected to device for screwing up, described
Device for screwing up is engaged with the same transmission chain, institute by fixed block and control device cage connection, four device for screwing up
It states transmission chain and is engaged with chain drum, the chain drum is connected in the shaft of clockwise and anticlockwise motor, and the clockwise and anticlockwise motor is fixedly connected on
On control device shell, the transmission chain activity is connected with fixing device, and the fixing device is fixedly connected on outside control device
On shell.The utility model is simple in structure, connects external power supply, and the first electromagnet and the energization of the second electromagnet repel each other separation, make card
Position plate and transmission chain separation, while clockwise and anticlockwise motor starts, and drives chain drum rotation, drives moving block and bolt rotation, can pass through
Clockwise and anticlockwise motor rotation direction is adjusted, bolt is tightened or unloaded.The utility model is not necessarily to can be by all bolts with screwdriver
It tightens or unloads simultaneously, it is easy to operate, it is time saving and energy saving, it improves work efficiency.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is that the overvoltage control device structure suitable for distributed grid-connected photovoltaic that the utility model embodiment provides is shown
It is intended to；
Fig. 2 is A-A sectional views in Fig. 1.
Icon：1- control device shells；2- chain drums；3- transmission chains；The first electromagnet of 4-；The second electromagnet of 5-；6- screens
Plate；7- annular sprocket wheels；8- mounting rings；9- fixed links；10- gears；11- annular racks；12- sleeves；13- moving blocks；14- spiral shells
Bolt；15- fixed blocks.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ",
The orientation or positional relationship on " right side ", "vertical", "horizontal", "inner", "outside" etc., instruction is orientation based on ... shown in the drawings or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, device or element are not indicated or implied the indicated
It must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.This
Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy
The property wanted.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " connected ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in this practicality with concrete condition
Concrete meaning in novel.
Referring to Fig.1-2, the overvoltage control device suitable for distributed grid-connected photovoltaic that the utility model embodiment provides,
Including control device shell 1, control device shell 1 is opened up there are four the mounting hole for being in matrix distribution, and mounting hole is plugged with bolt
14, bolt 14 is fixedly connected with moving block 13, and moving block 13 is tetragonous rod structure, and 13 movable sleeve of moving block is connected to device for screwing up,
Device for screwing up is connect by fixed block 15 with control device shell 1, and four device for screwing up are engaged with the same transmission chain 3, is passed
Dynamic chain 3 is engaged with chain drum 2, and chain drum 2 is connected in the shaft of clockwise and anticlockwise motor, and clockwise and anticlockwise motor is fixedly connected on outside control device
On shell 1,3 activity of transmission chain is connected with fixing device, and fixing device is fixedly connected on control device shell 1.
Device for screwing up includes mounting ring 8, and mounting ring 8 is hollow structure, and the inner roof wall of mounting ring 8 is fixedly connected with fixed link
The other end of 9 one end, fixed link 9 is fixedly connected with the inner bottom wall of mounting ring 8, and there are four fixed links 9, and is distributed in a ring,
The rotation of fixed link 9 is socketed with gear 10, and four gears 10 are engaged between two annular racks 11, and two annular racks 11 are remote
Side wall from gear 10 is respectively connected with the annular connecting plate through 8 side wall of mounting ring, and the annular connecting plate close to moving block 13 connects
It is connected to sleeve 12, sleeve 12 is actively socketed on moving block 13, and the annular connecting plate far from moving block 13 is connected with annular sprocket wheel
7, annular sprocket wheel 7 is engaged with transmission chain 3, and fixing device includes the first electromagnet 4, and the first electromagnet 4 and control device shell 1 are solid
Fixed connection, 4 activity of the first electromagnet are plugged with connecting rod, and connecting rod is fixedly connected with block board 6 close to one end of transmission chain 3,
The protrusion of matching transmission chain 3 is fixedly connected on block board 6, the one end of connecting rod far from transmission chain 3 is fixedly connected with the second electricity
Magnet 5, the second electromagnet 5 are connect by spring with the side wall of the first electromagnet 4, and the one end of moving block 13 far from bolt 14 is fixed
It is connected with handle, convenient for taking.
Specifically, the handle is U-shaped structure, hand can extend into U-shaped structure, carry out lifting action by operator.
Moving block 13 is provided with holding tank on one end far from bolt 14, the handle is movably connected in the holding tank
It is interior.
Handle can be to be slidably connected with holding tank.
Specifically, being provided with twice sliding slot in the opposed inner walls of holding tank, the both ends of handle are slidably connected at two sliding slots
It is interior.Stretching and the retraction of handle may be implemented.
Preferably, it is provided with resetting spring between handle and holding tank, resetting spring is used for handle towards holding tank direction
It pulls.
Handle can be rotation connection with holding tank.
Specifically, being respectively arranged with axis hole on opposite two inner walls of holding tank, shaft knot is provided on the both ends of handle
Structure, handle are rotatably connected in the axis hole in holding tank.
It is provided with torsionspring on the pivot structure of handle, for rotating handle to groove bottom direction is accommodated.
Further, it is provided with continuous groove on the inner wall of the U-shaped handle, for accommodating finger.It is continuous recessed
Slot can accommodate the finger of operator, more comfortably when operator lifts.
The quantity of groove can be four.
It is slipped in order to prevent in lifting, Anti-slip cover is enclosed on the handle.Rubber refers to the height for having reversible deformation
Elastic polymer material, at room temperature high resilience can generate compared with large deformation under the outer force effect of very little, remove energy after external force
It restores to the original state.
Further, the material of the Anti-slip cover is rubber.
Operation principle：
External power supply is connected, the first electromagnet 4 and the energization of the second electromagnet 5 repel each other separation, make block board 6 and transmission chain 3
Separation, while clockwise and anticlockwise motor starts, and chain drum 2 is driven to rotate, and then transmission chain 3 is driven to rotate, then drive annular sprocket wheel 7
Rotation, and then gear 10, annular rack 11 and sleeve 12 is made to rotate, it is final that moving block 13 and bolt 14 is driven to rotate, it can pass through
Clockwise and anticlockwise motor rotation direction is adjusted, bolt 14 is tightened or unloaded.
In conclusion the overvoltage control device suitable for distributed grid-connected photovoltaic that the utility model embodiment provides,
Including control device shell, the control device shell open up there are four be in matrix distribution mounting hole, the mounting hole grafting
There are bolt, the bolt to be fixedly connected with moving block, the moving block is tetragonous rod structure, and the moving block movable sleeve is connected to stubborn
Tight device, the device for screwing up are engaged with same by fixed block and control device cage connection, four device for screwing up
A transmission chain, the transmission chain are engaged with chain drum, and the chain drum is connected in the shaft of clockwise and anticlockwise motor, the clockwise and anticlockwise motor
It is fixedly connected on control device shell, the transmission chain activity is connected with fixing device, and the fixing device is fixedly connected on
On control device shell.
The utility model is simple in structure, connects external power supply, and the first electromagnet and the energization of the second electromagnet repel each other separation, make
Block board and transmission chain separation, while clockwise and anticlockwise motor starts, and drives chain drum rotation, drives moving block and bolt rotation, can lead to
Adjustment clockwise and anticlockwise motor rotation direction is crossed, bolt is tightened or unloaded.The utility model is not necessarily to can be by all spiral shells with screwdriver
Bolt is tightened or is unloaded simultaneously, easy to operate, time saving and energy saving, is improved work efficiency.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to aforementioned
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to the skill recorded in previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation is replaced, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model is answered described is wanted with right
Subject to the protection domain asked.
Claims (8)
1. a kind of overvoltage control device suitable for distributed grid-connected photovoltaic, including control device shell (1), feature exists
In, the control device shell (1) opens up there are four the mounting hole for being in matrix distribution, and the mounting hole is plugged with bolt (14),
The bolt (14) is fixedly connected with moving block (13), and the moving block (13) is tetragonous rod structure, and the moving block (13) is living
Dynamic to be socketed with device for screwing up, the device for screwing up is connect with control device shell (1) by fixed block (15), is tightened described in four
Device is engaged with the same transmission chain (3), and the transmission chain (3) is engaged with chain drum (2), and the chain drum (2) is connected to positive and negative
In the shaft of rotating motor, the clockwise and anticlockwise motor is fixedly connected on control device shell (1), transmission chain (3) active card
It is connected to fixing device, the fixing device is fixedly connected on control device shell (1).
2. the overvoltage control device according to claim 1 suitable for distributed grid-connected photovoltaic, which is characterized in that described
Device for screwing up includes mounting ring (8), and the mounting ring (8) is hollow structure, and the inner roof wall of the mounting ring (8) is fixedly connected with
The other end of one end of fixed link (9), the fixed link (9) is fixedly connected with the inner bottom wall of mounting ring (8), the fixed link
(9) it there are four, and is distributed in a ring, fixed link (9) rotation is socketed with gear (10), and four gears (10) are engaged
Between two annular racks (11), side wall of two annular racks (11) far from gear (10) is respectively connected with through installation
The annular connecting plate of ring (8) side wall is connected with sleeve (12) close to the annular connecting plate of moving block (13), and the sleeve (12) is living
Dynamic to be socketed on moving block (13), the annular connecting plate far from moving block (13) is connected with annular sprocket wheel (7), the annular sprocket wheel
(7) it is engaged with transmission chain (3).
3. the overvoltage control device according to claim 1 suitable for distributed grid-connected photovoltaic, which is characterized in that described
Fixing device includes the first electromagnet (4), and first electromagnet (4) is fixedly connected with control device shell (1), and described first
Electromagnet (4) activity is plugged with connecting rod, and the connecting rod is fixedly connected with block board (6), institute close to one end of transmission chain (3)
The protrusion that matching transmission chain (3) is fixedly connected on block board (6) is stated, the one end of the connecting rod far from transmission chain (3) is fixed
It is connected with the second electromagnet (5), second electromagnet (5) is connect by spring with the side wall of the first electromagnet (4).
4. the overvoltage control device according to claim 1 suitable for distributed grid-connected photovoltaic, which is characterized in that described
The one end of moving block (13) far from bolt (14) is fixedly connected with handle.
5. the overvoltage control device according to claim 4 suitable for distributed grid-connected photovoltaic, which is characterized in that described
Handle is U-shaped structure.
6. the overvoltage control device according to claim 5 suitable for distributed grid-connected photovoltaic, which is characterized in that U-shaped
The handle inner wall on be provided with continuous groove, for accommodating finger.
7. the overvoltage control device according to claim 6 suitable for distributed grid-connected photovoltaic, which is characterized in that described
Anti-slip cover is enclosed on handle.
8. the overvoltage control device according to claim 7 suitable for distributed grid-connected photovoltaic, which is characterized in that described
The material of Anti-slip cover is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639550.1U CN208046253U (en) | 2018-04-28 | 2018-04-28 | Overvoltage control device suitable for distributed grid-connected photovoltaic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639550.1U CN208046253U (en) | 2018-04-28 | 2018-04-28 | Overvoltage control device suitable for distributed grid-connected photovoltaic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208046253U true CN208046253U (en) | 2018-11-02 |
Family
ID=63928370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820639550.1U Active CN208046253U (en) | 2018-04-28 | 2018-04-28 | Overvoltage control device suitable for distributed grid-connected photovoltaic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208046253U (en) |
-
2018
- 2018-04-28 CN CN201820639550.1U patent/CN208046253U/en active Active
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