CN221427519U - Four-split dry-type transformer for photovoltaic power generation - Google Patents

Abstract

The utility model relates to the technical field of transformers, in particular to a four-split dry type transformer for photovoltaic power generation, which comprises three groups of high-voltage coil groups, a base, an insulating pad, a dismounting mechanism and a plurality of variable-voltage wires, wherein each variable-voltage wire is fixedly connected with the corresponding high-voltage coil group, the base is fixedly connected with the three groups of high-voltage coil groups, the dismounting mechanism comprises two low-voltage dismounting plates, an iron core, a plurality of plugging rods and a plurality of dismounting buckles, each dismounting buckle is fixedly connected with the corresponding plugging rod, each plugging rod is fixedly connected with the iron core, the two low-voltage dismounting plates are fixedly connected with the iron core, the iron core ensures the installation of the low-voltage dismounting plates, the plurality of plugging rods and the dismounting buckles are arranged to facilitate the installation of workers, and when the high-voltage coil groups need to be dismounted, the plugging rods can be taken down to finish the dismounting work.

Description

Four-split dry-type transformer for photovoltaic power generation

Technical Field

The utility model relates to the technical field of transformers, in particular to a four-split dry type transformer for photovoltaic power generation.

Background

Solar energy is the most ideal alternative energy source for human beings due to the infinite reserve. Due to the advantages of energy conservation and environmental protection of the dry type transformer, the dry type transformer is widely applied to the photovoltaic power generation system in China.

Because of the improvement of rated current at the low-voltage side, if a short circuit occurs in the operation process of the transformer, the transformer is burnt out due to the quite large short circuit current, so that irrecoverable loss is brought to users and enterprises, and the existing dry-type transformer is provided with a plurality of electric cores and can continuously output power to the outside.

However, in the above prior art, the transformer is inconvenient to detach when replacement and maintenance are performed, and the time required for maintenance is much.

Disclosure of utility model

The utility model aims to provide a four-split dry type transformer for photovoltaic power generation, which solves the problems that in the prior art, the transformer is inconvenient to detach when being replaced and maintained, and the time required by maintenance is more.

In order to achieve the above object, the utility model provides a four-split dry-type transformer for photovoltaic power generation, which comprises three groups of high-voltage coil groups, a base, an insulating pad, a disassembly mechanism and a plurality of voltage transformation wires, wherein each voltage transformation wire is fixedly connected with the corresponding high-voltage coil group and is respectively positioned at two sides of the corresponding high-voltage coil group, the insulating pad is sleeved on the three groups of high-voltage coil groups, the base is fixedly connected with the three groups of high-voltage coil groups and is positioned below the three groups of high-voltage coil groups, the disassembly mechanism comprises two low-voltage disassembly plates, an iron core, a plurality of plug-in rods and a plurality of disassembly buckles, each disassembly buckle is respectively fixedly connected with the corresponding plug-in rods and is respectively positioned at two ends of the corresponding plug-in rods, each plug-in rod is fixedly connected with the iron core and is positioned at the periphery of the iron core, and the two low-voltage disassembly plates are respectively positioned at two sides of the iron core.

Each variable-voltage wire comprises a wire body, a rotating head and a connector, wherein the connector is fixedly connected with the wire body and is positioned at one end of the wire body, and the rotating head is fixedly connected with the wire body and is positioned at the other end of the wire body.

The base comprises two side plates and a plurality of supporting plates, each supporting plate is fixedly connected with the corresponding side plate and is located above the corresponding side plate respectively, and the two side plates are fixedly connected with the three high-voltage coil groups and are located below the three high-voltage coil groups.

Each high-voltage coil group comprises a coil body, a high-voltage coil, a low-voltage coil and a plurality of insulating blocks, wherein each insulating block is fixedly connected with the coil body and is respectively positioned at two ends of the coil body, the high-voltage coil is fixedly connected with the coil body and is positioned below the coil body, and the low-voltage coil is fixedly connected with the coil body and is positioned above the coil body.

The four-split dry type transformer for photovoltaic power generation further comprises two fan plates, a plurality of screws and a plurality of foot pads, wherein each foot pad is fixedly connected with the corresponding screw and is located below the corresponding screw, each screw is fixedly connected with the corresponding fan plate and is located above the corresponding fan plate, and the two fan plates are fixedly connected with one side plate and located below the other side plate.

According to the four-split dry type transformer for the photovoltaic power generation, the iron core ensures the installation of the low-voltage dismounting plate, the plurality of plug rods and the dismounting buckle are convenient for the installation of workers, when the high-voltage coil assembly is required to be dismounted, the dismounting buckle can be taken out, the plug rods are taken out to finish dismounting work, the voltage in the high-voltage coil assembly can be conveyed by a voltage transformation wire, the smoothness of a circuit is ensured, static electricity can be eliminated by the arrangement of the insulating pad, short circuit of the high-voltage coil assembly is avoided, the safety of the high-voltage coil assembly in the using process is ensured, the rotating head can rotate on the coil body, the connecting head is used for connecting the coil body with the dismounting buckle on the low-voltage dismounting plate, a passage is formed, conditional support is provided for the voltage conveying of the coil body, the coil body between the low-voltage dismounting plate and the side plate is prevented from being electrically connected with the voltage coil body in the high-voltage coil assembly, the coil body is prevented from being electrically connected with the low-voltage dismounting plate and the side plate, the fan is ensured to be electrically connected with the side plate, the fan is prevented from being mounted, the fan is prevented from being mutually connected, the fan is further ensured, the fan is prevented from being mounted, the fan is convenient for the fan is convenient to stably, and the fan is mounted, and can be stably support the side plate and used, and the side plate is used to support plate and can be stably support the fan.

Drawings

In order to more clearly illustrate the embodiments of the present application 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.

Fig. 1 is a front view of a first embodiment of the present utility model.

Fig. 2 is a side view of a first embodiment of the utility model.

Fig. 3 is a cross-sectional view taken along line A-A of fig. 2 in accordance with the present utility model.

Fig. 4 is an enlarged view of the partial structure at B of fig. 2 according to the present utility model.

Fig. 5 is a front view of a second embodiment of the present utility model.

101-High-voltage coil group, 102-base, 103-insulating pad, 104-detaching mechanism, 105-voltage changing line, 106-low voltage detaching plate, 107-iron core, 108-plug rod, 109-detaching buckle, 110-wire body, 111-rotating head, 112-connector, 113-side plate, 114-supporting plate, 115-coil body, 116-high-voltage coil, 117-low-voltage coil, 118-insulating block, 201-fan plate, 202-screw, 203-foot pad.

Detailed Description

The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.

The first embodiment of the application is as follows:

Referring to fig. 1-4, fig. 1 is a front view of a first embodiment of the present utility model, fig. 2 is a side view of the first embodiment of the present utility model, fig. 3 is a sectional view taken along line A-A of fig. 2 of the present utility model, and fig. 4 is an enlarged view of a partial structure at B of fig. 2 of the present utility model.

The utility model provides a four-split dry-type transformer for photovoltaic power generation, which comprises three groups of high-voltage coil groups 101, a base 102, an insulating pad 103, a dismounting mechanism 104 and a plurality of voltage-changing wires 105, wherein the dismounting mechanism 104 comprises two low-voltage dismounting plates 106, an iron core 107, a plurality of plugging-in rods 108 and a plurality of dismounting buckles 109, each voltage-changing wire 105 comprises a wire body 110, a rotating head 111 and a connecting head 112, the base 102 comprises two side plates 113 and a plurality of supporting plates 114, and each group of high-voltage coil groups 101 comprises a coil body 115, a high-voltage coil 116, a low-voltage coil 117 and a plurality of insulating blocks 118.

For this embodiment, every transformer 105 all with corresponding high-voltage coil group 101 fixed connection, insulating pad 103 cover is located three groups high-voltage coil group 101, base 102 with three groups high-voltage coil group 101 fixed connection, every dismantle the knot 109 respectively with corresponding peg graft pole 108 fixed connection, every peg graft pole 108 all with iron core 107 fixed connection, two low pressure dismantlement boards 106 all with iron core 107 fixed connection, connector 112 with line body 110 fixed connection, rotating head 111 with line body 110 fixed connection, every backup pad 114 respectively with corresponding curb plate 113 fixed connection, two curb plate 113 all with three groups high-voltage coil group 101 fixed connection, every insulating block 118 all with coil body 115 fixed connection, high-voltage coil 116 with coil body 115 fixed connection, low-voltage coil 117 with coil body 115 fixed connection, iron core 107 guarantee low pressure dismantlement boards 106 with take out the peg graft pole 109 when the setting up and take out the high-voltage coil group's 101 the setting up and take out the high-voltage coil.

Each transforming line 105 is located at two sides of the corresponding high-voltage coil group 101, the base 102 is located below the three high-voltage coil groups 101, each disassembling buckle 109 is located at two ends of the corresponding plugging rod 108, each plugging rod 108 is located at the periphery of the iron core 107, two low-voltage disassembling plates 106 are located at two sides of the iron core 107, the transforming lines 105 can convey voltages in the high-voltage coil group 101, smoothness of a circuit is guaranteed, static electricity can be eliminated due to the arrangement of the insulating pad 103, short circuit of the high-voltage coil group 101 is avoided, and safety in a using process is guaranteed.

Secondly, the connector 112 is located at one end of the wire body 110, the rotating head 111 is located at the other end of the wire body 110, each supporting plate 114 is located above the corresponding side plate 113, two side plates 113 are located below the three high-voltage coil groups 101, the rotating head 111 can rotate on the coil body 115, the connector 112 connects the coil body 115 with the dismounting buckle 109 on the low-voltage dismounting plate 106, so as to form a passage, and provide a conditional support for voltage transmission of the coil body 115.

Meanwhile, each insulating block 118 is located at two ends of the coil body 115, the high-voltage coil 116 is located below the coil body 115, the low-voltage coil 117 is located above the coil body 115, the insulating blocks 118 isolate the coil body 115 between the low-voltage detaching plate 106 and the side plates 113, and electrical communication between the coil body 115 and the low-voltage detaching plate 106 and the side plates 113 is avoided, so that a short circuit effect is caused, and safety in a use process is ensured.

In this embodiment, the iron core 107 ensures that the installation of the low voltage disassembly plate 106, the installation of the disassembly button 109 is facilitated by the installation of a plurality of plugging rods 108, when the high voltage coil assembly 101 needs to be disassembled, the disassembly button 109 can be taken down, the plugging rods 108 are taken out, the disassembly work is completed, the voltage in the high voltage coil assembly 101 can be conveyed by the voltage transformation line 105, the smoothness of a circuit is ensured, static electricity can be eliminated by the arrangement of the insulating pad 103, short circuit of the high voltage coil assembly 101 is avoided, safety in the use process is ensured, the rotating head 111 can rotate on the coil body 115, the connecting head 112 connects the coil body 115 with the disassembly button 109 on the low voltage disassembly plate 106, a channel is formed, conditional support is provided for voltage conveying of the coil body 115, the coil body 115 between the low voltage disassembly plate 106 and the side plate 113 is prevented from being isolated by the arrangement of the insulating block 118, and the short circuit effect is avoided in the use process is ensured, and the electrical property is ensured between the coil body 115 and the low voltage disassembly plate 106 and the side plate 113.

The second embodiment of the application is as follows:

On the basis of the first embodiment, please refer to fig. 5, wherein fig. 5 is a front view of a second embodiment of the present utility model.

The utility model provides a four-split dry-type transformer for photovoltaic power generation, which also comprises two fan plates 201, a plurality of screws 202 and a plurality of foot pads 203.

For this embodiment, each foot pad 203 is fixedly connected with a corresponding screw 202, each screw 202 is fixedly connected with a corresponding fan plate 201, two fan plates 201 are fixedly connected with one side plate 113, the fan plates 201 can support the side plates 113, the stability of the coil body 115 is maintained under the condition of being fixed with the ground, and meanwhile, the fan plates 201 can be provided with a fan to cool the coil body 115.

Each foot pad 203 is located below the corresponding screw 202, each screw 202 is located above the corresponding fan plate 201, two fan plates 201 are located below one side plate 113, the foot pads 203 and the screws 202 are matched with each other to support the fan plates 201, the coil body 115 is stabilized, shaking is prevented, and installation of workers is facilitated.

In this embodiment, the fan plate 201 may support the side plate 113, keep the stability of the coil body 115 under the condition of being fixed to the ground, and meanwhile, the fan plate 201 may further install a fan, so as to achieve a cooling effect on the coil body 115, and the foot pad 203 and the screw 202 cooperate with each other to support the fan plate 201, so as to play a role in stabilizing the coil body 115, prevent shaking, and facilitate the installation of staff.

The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the application.

Claims (5)

1. The four-split dry-type transformer for photovoltaic power generation comprises three groups of high-voltage coil groups, a base, an insulating pad and a plurality of voltage transformation wires, wherein each voltage transformation wire is fixedly connected with the corresponding high-voltage coil group and is respectively positioned at two sides of the corresponding high-voltage coil group, the insulating pad is sleeved on the three groups of high-voltage coil groups, the base is fixedly connected with the three groups of high-voltage coil groups and is positioned below the three groups of high-voltage coil groups,

Still include disassembly body, disassembly body includes two low pressure dismantlement boards, iron core, a plurality of plug rod and a plurality of knot of tearing open, every tear open the knot respectively with corresponding plug rod fixed connection, and be located respectively the both ends of corresponding plug rod, every the plug rod all with iron core fixed connection, and be located the week side of iron core, two the low pressure dismantlement board all with iron core fixed connection, and be located respectively the both sides of iron core.

2. A four-split dry transformer for photovoltaic power generation according to claim 1,

Each variable-voltage wire comprises a wire body, a rotating head and a connector, wherein the connector is fixedly connected with the wire body and is positioned at one end of the wire body, and the rotating head is fixedly connected with the wire body and is positioned at the other end of the wire body.

3. A four-split dry transformer for photovoltaic power generation according to claim 2,

The base comprises two side plates and a plurality of supporting plates, each supporting plate is fixedly connected with the corresponding side plate and is positioned above the corresponding side plate respectively, and the two side plates are fixedly connected with the three high-voltage coil groups and are positioned below the three high-voltage coil groups.

4. A four-split dry transformer for photovoltaic power generation according to claim 3,

Each high-voltage coil group comprises a coil body, a high-voltage coil, a low-voltage coil and a plurality of insulating blocks, wherein each insulating block is fixedly connected with the coil body and is respectively positioned at two ends of the coil body, the high-voltage coil is fixedly connected with the coil body and is positioned below the coil body, and the low-voltage coil is fixedly connected with the coil body and is positioned above the coil body.

5. A four-split dry transformer for photovoltaic power generation according to claim 4,

The four-split dry type transformer for photovoltaic power generation further comprises two fan plates, a plurality of screws and a plurality of foot pads, wherein each foot pad is fixedly connected with the corresponding screw and is located below the corresponding screw, each screw is fixedly connected with the corresponding fan plate and is located above the corresponding fan plate, and the two fan plates are fixedly connected with one side plate and located below the other side plate.