CN212695039U

CN212695039U - Combined driving device for small photovoltaic grid-connected switch

Info

Publication number: CN212695039U
Application number: CN202021820761.9U
Authority: CN
Inventors: 宁超; 张俊娜; 蒙昌营; 王基圳; 杨静
Original assignee: State Grid Xinjiang Electric Power Co Ltd Changji Power Supply Co; State Grid Corp of China SGCC
Current assignee: State Grid Xinjiang Electric Power Co Ltd Changji Power Supply Co; State Grid Corp of China SGCC
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-03-12
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a combination formula drive arrangement for small-size photovoltaic grid-connected switch, pole, compression spring, connecting seat and through wires hole in shell, bottom plate, fixed through hole, activity groove, gag lever post, movable block, reset spring, iron plate, electro-magnet, rubber heelpiece, drive outer pole, drive. The utility model has the advantages that: the movable block is arranged in a vertically sliding mode on the rod body of the limiting rod through a sleeve, when the electromagnet is electrified to generate a magnetic field, magnetic force is generated on the iron block to drive the movable block to move upwards, switching on and off the photovoltaic grid-connected switch is achieved, the driving inner rod is elastically connected with the driving outer rod through a compression spring arranged in a cavity formed in the driving outer rod, elastic expansion of the driving inner rod can ensure that the driving switch movable gate moves, mounting through holes are formed in two side edges of the connecting seat, the connecting seat penetrates through the mounting through holes through a rotating shaft to be connected with the movable gate of the photovoltaic grid-connected switch in a rotating mode, and switching on and off of the movable gate is facilitated.

Description

Combined driving device for small photovoltaic grid-connected switch

Technical Field

The utility model relates to a drive arrangement specifically is a combination formula drive arrangement for small-size photovoltaic grid-connected switch, belongs to electrical switch drive technical field.

Background

In 2008, after global financial crisis occurs, physical economy is rapidly reached, so that the solar photovoltaic industry in China becomes a serious disaster area, the financial department and the building department in China have issued implementation opinions and subsidies for promoting the application of solar photovoltaic buildings, so that the solar photovoltaic industry is newly developed, a national grid company formally issues opinions about making distributed photovoltaic power generation grid-connected service work and a national continuous issue of a series of distributed photovoltaic preferential policies, so that photovoltaic enterprises are greatly supported, distributed photovoltaic power generation is rapidly raised and developed in recent years, a photovoltaic power generation grid-connected outdoor isolating switch is used as a breaking electric appliance with the largest use amount on a power line, is mainly used for isolating a power supply of a distribution line during maintenance so as to improve the operation safety, is mostly arranged on an overhead line and a transformer substation, and when the photovoltaic grid-connected switch is opened and closed, if the movable brake of the switch is directly touched by hands, the danger of electric shock is easily caused to an operator, so that a driving device capable of opening and closing the photovoltaic grid-connected switch is required to be arranged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is just to provide a combination formula drive arrangement for small-size photovoltaic grid-connected switch in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a combined driving device for a small photovoltaic grid-connected switch comprises a shell, a bottom plate, a fixed through hole, a movable groove, a limiting rod, a movable block, a reset spring, an iron block, an electromagnet, a rubber bottom pad, a driving outer rod, a driving inner rod, a compression spring, a connecting seat and a threading hole; the shell and the bottom plate form a shell structure of the driving device, the shell is fixedly arranged on the front plate surface of the bottom plate through screws, fixing through holes are formed in four corners of the bottom plate, movable grooves are formed in the shell, a limiting rod, a movable block, a reset spring, an iron block, an electromagnet and a rubber bottom pad are arranged in the shell, the limiting rod is vertically and fixedly connected to the inner walls of the upper side edge and the lower side edge of the shell, the rod body of the limiting rod is sleeved with the movable block and the reset spring, the movable block is positioned below the reset spring, the iron block is fixedly embedded in a groove formed in the upper surface of the movable block, the electromagnet is fixedly connected to the inner wall of the side edge of the shell through a connecting rod, the electromagnet is positioned right above the iron block, and a connecting wire of the electromagnet penetrates through a threading hole formed in the shell to be electrically connected with an external power supply, rubber heelpiece fixed connection is on the inner wall of side under the shell, just the rubber heelpiece is located the movable block under, the one end fixed connection of drive outer pole is on the movable block, the other end of drive outer pole passes the movable groove and is located the outside of shell, the one end of pole is inserted in the cavity that the drive outer rod end that is located the shell outside was seted up in the drive, just settle in the cavity end that the drive outer pole was seted up has compression spring, the other end of pole is provided with the connecting seat in the drive.

Preferably, in order to ensure that the driving device is more firm during installation and select the installation position according to the specific installation condition, the driving device passes through fixing through holes formed in four corners of the bottom plate through screws to be fixedly connected with a wall surface or an installation seat.

Preferably, in order to improve the safety of the driving device during use, the shell, the bottom plate, the limiting rod and the movable block are all made of insulating plastic materials.

Preferably, in order to drive the movement of actuating lever, realize the switching to the photovoltaic grid-connected switch, the gag lever post is provided with two for the symmetry form, and the movable block is the setting of upper and lower slidingtype through the cover on the pole body of gag lever post.

Preferably, in order to ensure that the switch moving gate is driven to move, the driving inner rod is elastically connected with the driving outer rod through a compression spring arranged in a cavity formed in the driving outer rod.

Preferably, in order to enable the driving inner rod to be rotatably connected with the movable brake of the photovoltaic grid-connected switch, mounting through holes are formed in two side edges of the connecting seat, and the connecting seat penetrates through the mounting through holes through a rotating shaft to be rotatably connected with the movable brake of the photovoltaic grid-connected switch.

The utility model has the advantages that: the combined driving device for the small photovoltaic grid-connected switch is reasonable in design, and the driving device penetrates through fixing through holes formed in four corners of the bottom plate through screws to be fixedly connected with a wall surface or a mounting seat. The driving device is more firm when being installed, meanwhile, the installation position can be conveniently selected according to specific installation conditions, the shell, the bottom plate, the limiting rods and the movable blocks are made of insulating plastic materials, the driving device has better insulativity, the safety of the driving device when in use is further improved, the two limiting rods are symmetrically arranged, the movable blocks are arranged in a vertically sliding mode through being sleeved on the rod bodies of the limiting rods, the stability of the movable blocks when moving is improved, when an electromagnet is electrified to generate a magnetic field, magnetic force is generated on the iron blocks to drive the movable blocks to move upwards, further, the driving rod can be driven to move, the opening and closing of the photovoltaic grid-connected switch are realized, the driving inner rod is elastically connected with the driving outer rod through a compression spring arranged in a cavity formed in the driving outer rod, and when the photovoltaic grid-connected switch is driven, the movable gate of the switch moves in a fan shape, therefore, the elastic expansion of the driving inner rod can ensure that the movable gate of the switch is driven to move, the mounting through holes are formed in the two side edges of the connecting seat, the connecting seat penetrates through the mounting through holes through the rotating shaft to be rotatably connected with the movable gate of the photovoltaic grid-connected switch, the driving inner rod can be rotatably connected with the movable gate of the photovoltaic grid-connected switch, and the movable gate can be driven to open and close conveniently.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a schematic view of the sectional structure of the housing of the present invention;

fig. 3 is a schematic view of the connection structure of the driving inner rod and the driving outer rod of the present invention.

In the figure: 1. the shell, 2, bottom plate, 3, fixed through hole, 4, activity groove, 5, gag lever post, 6, movable block, 7, reset spring, 8, iron plate, 9, electro-magnet, 10, rubber heelpiece, 11, drive outer rod, 12, drive inner rod, 13, compression spring, 14, connecting seat and 15, through wires hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a combined driving device for a small-sized photovoltaic grid-connected switch includes a housing 1, a bottom plate 2, a fixing through hole 3, a movable groove 4, a limiting rod 5, a movable block 6, a return spring 7, an iron block 8, an electromagnet 9, a rubber bottom pad 10, a driving outer rod 11, a driving inner rod 12, a compression spring 13, a connecting seat 14 and a threading hole 15; the shell 1 and the bottom plate 2 form a shell structure of the driving device, the shell 1 is fixedly installed on a front plate surface of the bottom plate 2 through screws, fixing through holes 3 are formed in four corners of the bottom plate 2, a movable groove 4 is formed in the shell 1, a limiting rod 5, a movable block 6, a reset spring 7, an iron block 8, an electromagnet 9 and a rubber bottom pad 10 are installed inside the shell 1, the limiting rod 5 is vertically and fixedly connected to inner walls of upper and lower two side edges of the shell 1, the rod body of the limiting rod 5 is sleeved with the movable block 6 and the reset spring 7, the movable block 6 is located below the reset spring 7, the iron block 8 is fixedly embedded in a groove formed in the upper surface of the movable block 6, the electromagnet 9 is fixedly connected to the inner wall of the upper side edge of the shell 1 through a connecting rod, and the electromagnet 9 is located right above the iron block 8, the connecting wire of electro-magnet 9 passes through the through wires hole 15 of seting up on the shell 1 and is electric connection with external power supply, rubber heelpiece 10 fixed connection is on the inner wall of side under the shell 1, just rubber heelpiece 10 is located movable block 6 under, the one end fixed connection of drive outer rod 11 is on movable block 6, the other end of drive outer rod 11 passes movable groove 4 and is located the outside of shell 1, the one end of pole 12 is inserted in the cavity of seting up in the drive outer rod 11 end that is located the shell 1 outside in the drive, just it has compression spring 13 to settle in the cavity end that drive outer rod 11 was seted up, the other end of pole 12 is provided with connecting seat 14 in the drive.

The driving device passes through fixing through holes 3 formed in four corners of the bottom plate 2 through screws to be fixedly connected with a wall surface or a mounting seat. The driving device is more firm in installation and convenient for selecting the installation position according to the specific installation condition, the shell 1, the bottom plate 2, the limiting rod 5 and the movable block 6 are made of insulating plastic materials, so that the driving device has better insulativity and further improves the safety of the driving device in use, two limiting rods 5 are symmetrically arranged, the movable blocks 6 are arranged on the rod body of the limiting rod 5 in a vertically sliding mode through being sleeved on, the stability of the movable blocks 6 in movement is improved, when the electromagnet 9 is electrified to generate a magnetic field, magnetic force is generated on the iron block 8 to drive the movable blocks 6 to move upwards so as to drive the driving rod to move, the on-off of the grid-connected photovoltaic switch is realized, the driving inner rod 12 is elastically connected with the driving outer rod 11 through the compression spring 13 arranged in a cavity formed by the driving outer rod 11, when carrying out the switching drive to photovoltaic grid-connected switch, the activity floodgate of switch is the sector form and removes, consequently can ensure to realize driving the removal of switch activity floodgate through the elastic expansion of pole 12 in the drive, the installation through-hole has been seted up on the both sides limit of connecting seat 14, and connecting seat 14 passes the installation through-hole through the pivot and is connected with photovoltaic grid-connected switch's activity floodgate is the rotary type, makes pole 12 in the drive can be connected with photovoltaic grid-connected switch's activity floodgate is the rotation, is convenient for drive activity floodgate's switching.

The working principle is as follows: when the combined driving device for the small-sized photovoltaic grid-connected switch is used, firstly, the driving device penetrates through the fixed through holes 3 formed in the four corners of the bottom plate 2 through screws and is fixed at a proper position, the connecting seat 14 penetrates through the mounting through hole through the rotating shaft and is rotatably connected with the movable gate of the photovoltaic grid-connected switch, after the power supply of the electromagnet 9 is switched on, when the electromagnet 9 is electrified to generate a magnetic field, magnetic force is generated on the iron block 8 so as to drive the movable block 6 to move upwards, the reset spring 7 is compressed to drive the driving rod to move upwards, and further the movable gate of the photovoltaic grid-connected switch can be driven to move, after the power supply of the electromagnet 9 is switched off, the movable block 6 is driven to move downwards by the elastic force of the reset spring 7 so as to drive the driving rod to.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a combination formula drive arrangement for small-size photovoltaic grid-connected switch which characterized in that: the wire drawing machine comprises a shell (1), a bottom plate (2), a fixed through hole (3), a movable groove (4), a limiting rod (5), a movable block (6), a reset spring (7), an iron block (8), an electromagnet (9), a rubber base (10), a driving outer rod (11), a driving inner rod (12), a compression spring (13), a connecting seat (14) and a threading hole (15); the shell (1) and the bottom plate (2) form a shell structure of the driving device, the shell (1) is fixedly installed on the front face of the bottom plate (2) through screws, fixing through holes (3) are formed in four corners of the bottom plate (2), a movable groove (4) is formed in the shell (1), a limiting rod (5), a movable block (6), a reset spring (7), an iron block (8), an electromagnet (9) and a rubber bottom pad (10) are installed inside the shell (1), the limiting rod (5) is fixedly connected to the inner walls of the upper side edge and the lower side edge of the shell (1) in a vertical shape, the movable block (6) and the reset spring (7) are sleeved on the rod body of the limiting rod (5), the movable block (6) is located below the reset spring (7), the iron block (8) is fixedly embedded in a groove formed in the upper surface of the movable block (6), the electromagnet (9) is fixedly connected to the inner wall of the upper side edge of the shell (1) through a connecting rod, the electromagnet (9) is located right above the iron block (8), a connecting wire of the electromagnet (9) penetrates through a threading hole (15) formed in the shell (1) and is electrically connected with an external power supply, the rubber bottom pad (10) is fixedly connected to the inner wall of the lower side edge of the shell (1), the rubber bottom pad (10) is located right below the movable block (6), one end of the driving outer rod (11) is fixedly connected to the movable block (6), the other end of the driving outer rod (11) penetrates through the movable groove (4) and is located on the outer side of the shell (1), one end of the driving inner rod (12) is inserted into a cavity formed in the end of the driving outer rod (11) located on the outer side of the shell (1), and a compression spring (13) is arranged in the cavity end formed in the driving outer rod (11), the other end of the driving inner rod (12) is provided with a connecting seat (14).

2. The combined driving device for the small-sized photovoltaic grid-connected switch according to claim 1, characterized in that: the driving device passes through fixing through holes (3) formed in four corners of the bottom plate (2) through screws to be fixedly connected with a wall surface or a mounting seat.

3. The combined driving device for the small-sized photovoltaic grid-connected switch according to claim 1, characterized in that: the shell (1), the bottom plate (2), the limiting rod (5) and the movable block (6) are all made of insulating plastic materials.

4. The combined driving device for the small-sized photovoltaic grid-connected switch according to claim 1, characterized in that: the limiting rod (5) is provided with two symmetrical limiting rods, and the movable block (6) is arranged on the rod body of the limiting rod (5) in a vertically sliding mode through a sleeve.

5. The combined driving device for the small-sized photovoltaic grid-connected switch according to claim 1, characterized in that: the driving inner rod (12) is elastically connected with the driving outer rod (11) through a compression spring (13) arranged in a cavity formed in the driving outer rod (11).

6. The combined driving device for the small-sized photovoltaic grid-connected switch according to claim 1, characterized in that: mounting through holes are formed in two side edges of the connecting seat (14), and the connecting seat (14) penetrates through the mounting through holes through a rotating shaft to be rotatably connected with a movable brake of the photovoltaic grid-connected switch.