阅读说明：本技术 一种具有散热功能的太阳能变压器 (Solar transformer with heat dissipation function ) 是由 高文彪 于 2021-07-27 设计创作，主要内容包括：本发明公开了一种具有散热功能的太阳能变压器,包括变压器本体和支脚,四个所述支脚分别固定连接于变压器本体底部的四角,且四个支脚均设置为圆柱状,四个所述支脚的下方设置有同一个盖板,且盖板的底部固定连接有蓄水筒,且蓄水筒一侧的内壁固定连接有鼓风机。本发明在使用时,将进水管的顶端连接于供水机构,电磁阀导通,向蓄水筒的底部注入冷水,鼓风机通电发动,向变压器本体的底部吹风,促进变压器本体热量向外辐射,起到散热效果,鼓风机可以加快蓄水筒中的空气流动速度,促进冷水的挥发,此过程吸热,降低吹向变压器本体空气的温度,进一步优化散热效果,盖板对蓄水筒的顶部空间进行封闭,防止外界杂物掉落进入蓄水筒。(The invention discloses a solar transformer with a heat dissipation function, which comprises a transformer body and four support legs, wherein the four support legs are respectively and fixedly connected to four corners of the bottom of the transformer body, the four support legs are all cylindrical, a same cover plate is arranged below the four support legs, the bottom of the cover plate is fixedly connected with a water storage cylinder, and the inner wall of one side of the water storage cylinder is fixedly connected with an air blower. When the heat dissipation device is used, the top end of the water inlet pipe is connected to the water supply mechanism, the electromagnetic valve is switched on, cold water is injected into the bottom of the water storage cylinder, the air blower is electrified and started to blow air to the bottom of the transformer body, heat of the transformer body is promoted to be radiated outwards, the heat dissipation effect is achieved, the air blower can accelerate the air flowing speed in the water storage cylinder, the volatilization of the cold water is promoted, heat is absorbed in the process, the temperature of the air blown to the transformer body is reduced, the heat dissipation effect is further optimized, and the cover plate seals the top space of the water storage cylinder to prevent external sundries from falling into the water storage cylinder.)

1. A solar transformer with a heat dissipation function comprises a transformer body (1) and four support legs (3), wherein the four support legs (3) are respectively and fixedly connected to four corners of the bottom of the transformer body (1), and the four support legs (3) are all arranged in a cylindrical shape, and is characterized in that a same cover plate (6) is arranged below the four support legs (3), the bottom of the cover plate (6) is fixedly connected with a water storage cylinder (2), the inner wall of one side of the water storage cylinder (2) is fixedly connected with an air blower (24), an air outlet end of the air blower (24) is provided with an insertion pipe (25), the top of the insertion pipe (25) is inserted with a drying bin (7), the drying bin (7) is inserted in the middle of the cover plate (6), the inside of the drying bin (7) is fixedly connected with a filtering mechanism, one side of the water storage cylinder (2) is fixedly connected with a water inlet pipe (20), and the top of inlet tube (20) is provided with solenoid valve (23), the bottom of inlet tube (20) extends to the inside of water storage cylinder (2).

2. The solar transformer with the heat dissipation function as recited in claim 1, wherein a fixing hoop (21) is fixedly connected to an outer wall of the water storage cylinder (2) close to one side of the water inlet pipe (20), the water inlet pipe (20) is fixedly connected to the inside of the fixing hoop (21), a filter cartridge (19) is fixedly connected to a bottom end of the water inlet pipe (20), and filter holes are uniformly distributed in a cylinder body of the filter cartridge (19).

3. The solar transformer with the heat dissipation function as recited in claim 1, wherein the blower (24) is fixedly connected with the blower base (22) at one side, and the blower base (22) is fixedly connected with the top of the inner wall of the water storage cylinder (2) at one side through bolts.

4. The solar transformer with the heat dissipation function as recited in claim 1, wherein the filtering mechanism comprises an absorbent cotton (29) and two filtering nets (28), and both the two filtering nets (28) are fixedly connected to the inner wall of the top of the drying bin (7), and the absorbent cotton (29) is fixedly connected between the two filtering nets (28).

5. The solar transformer with the heat dissipation function according to claim 1, wherein a baffle ring (27) is fixedly connected to the circumference of the top of the drying bin (7), pull rings (30) are fixedly connected to both sides of the top of the baffle ring (27), rubber sleeves (31) are sleeved at the middle positions of the tops of the two pull rings (30), and the bottom of the baffle ring (27) is attached to the top of the cover plate (6).

6. The solar transformer with the heat dissipation function as recited in claim 1, wherein the inner wall of the bottom of the water storage cylinder (1) is fixedly connected with two parallel sliding rods (14), the tops of the two sliding rods (14) are fixedly connected with a same top plate (8), and the middle parts of the two sliding rods (14) are inserted with a same floating block (12).

7. The solar transformer with the heat dissipation function according to claim 6, wherein the sliding blocks (11) are slidably connected to the middle portions of the two sliding rods (14), the same supporting plate (34) is fixedly connected between the outer walls of the two sliding blocks (11), the supporting plate (34) is located above the floating block (12), the insertion holes (33) are formed in the middle portions of the two sliding blocks (11), the inner diameter of each insertion hole (33) is equal to the outer diameter of each sliding rod (14), the supporting columns (15) are fixedly connected to the middle positions of the inner walls of the bottoms of the water storage cylinders (2), the bearing plates (16) are fixedly connected to the tops of the supporting columns (15), the bearing plates (16) are attached to the bottoms of the floating blocks (12), and the bottom surfaces of the floating blocks (12) are provided with uniformly distributed concave grooves (13).

8. The solar transformer with the heat dissipation function according to claim 7, wherein a spring (17) is fixedly connected to the middle position of the top of the supporting plate (34), a pressing plate (10) is fixedly connected to the top of the spring (17), and a travel switch (9) is fixedly connected to the middle position of the top of the pressing plate (10).

9. The solar transformer with the heat dissipation function according to claim 8, wherein the limiting rods (18) are fixedly connected to both sides of the top of the supporting plate (34), the limiting rings (32) are fixedly connected to both sides of the bottom of the pressing plate (10), and the two limiting rings (32) are respectively slidably connected to the rod bodies of the two limiting rods (18).

10. The solar transformer with the heat dissipation function according to claim 1, wherein the sliding rails (5) are fixedly connected to both sides of the top of the cover plate (6), the sliding grooves (26) are formed in the inner walls of both sides of the sliding rails (5), the bottoms of the four supporting legs (3) are rotatably connected with two rollers (4) through bearings, and the rollers (4) are inserted into two adjacent sliding grooves (26).

Technical Field

The invention relates to the technical field of photovoltaic power generation, in particular to a solar transformer with a heat dissipation function.

Background

Solar power generation, also known as photovoltaic power generation, is based on the photoelectric effect of semiconductors. When photons irradiate on the metal, the energy of the photons can be completely absorbed by certain electrons in the metal, and the energy absorbed by the electrons is large enough to overcome the internal attraction of the metal to work, so that the photons leave the surface of the metal and escape to form photoelectrons.

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. In a circuit powered by solar energy, the solar energy power supply circuit is usually used for voltage lifting, impedance matching, safety isolation and the like.

When the transformer operates, the heat that the loss in winding and the iron core produced must in time be dissipated away to avoid overheated and cause insulation damage, to the transformer of great capacity, the ratio of external surface area and transformer volume is little, should not dispel the heat with the mode of self-cooling, can't realize the cooling through radiation and natural convection, need dispose supplementary heat radiation structure, current heat radiation structure can't follow the bottom cooling transformer, and it is big to be influenced by ambient temperature, there is very big limitation during the application, need to design a solar transformer with heat dissipation function to solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a solar transformer with a heat dissipation function.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a solar transformer with heat dissipation function, includes transformer body and stabilizer blade, four the stabilizer blade is fixed connection in the four corners of transformer body bottom respectively, and four stabilizer blades all set up to cylindric, four the below of stabilizer blade is provided with same apron, and the bottom fixedly connected with water storage cylinder of apron, and the inner wall fixedly connected with air-blower of water storage cylinder one side, the air-out end of air-blower is provided with the intubate, and pegs graft at the top of intubate has dry storehouse, dry storehouse pegs graft in the middle part of apron, and the inside fixedly connected with filter mechanism in dry storehouse, one side fixedly connected with inlet tube of water storage cylinder, and the top of inlet tube is provided with the solenoid valve, the bottom of inlet tube extends to the inside of water storage cylinder.

Preferably, the outer wall fixedly connected with fixed hoop that the retaining cylinder is close to inlet tube one side, and inlet tube fixed connection is in the inside of fixed hoop, and the bottom fixedly connected with cartridge filter of inlet tube, the cylinder of cartridge filter offers evenly distributed's filtration pore.

Preferably, one side of the blower is fixedly connected with a fan seat, and the fan seat is fixedly connected to the top of the inner wall of one side of the water storage cylinder through a bolt.

Preferably, filtering mechanism is including adsorbing cotton and two filter screens, and two equal fixed connection of filter screen in the top inner wall in dry storehouse, adsorbs cotton fixed connection between two filter screens.

Preferably, the circumference fixedly connected with at dry storehouse top keeps off the ring, and keeps off the equal fixedly connected with pull ring in both sides at ring top, and the intermediate position at two pull ring tops has all cup jointed the rubber sleeve, keeps off the bottom of ring and the top of apron and laminates mutually.

Preferably, the inner wall of the bottom of the water storage cylinder is fixedly connected with two parallel sliding rods, the tops of the two sliding rods are fixedly connected with the same top plate, and the middle parts of the two sliding rods are inserted with the same floating block.

Preferably, two equal sliding connection in middle part of slide bar has the slider, and fixedly connected with same layer board between the outer wall of two sliders, and the layer board is located the top of floating the piece, and the jack has all been seted up at the middle part of two sliders, and the internal diameter of jack equals the external diameter of slide bar.

Preferably, the middle position of the top of the supporting plate is fixedly connected with a spring, the top of the spring is fixedly connected with a pressing plate, and the middle position of the top of the pressing plate is fixedly connected with a travel switch.

Preferably, the both sides at layer board top are equal fixedly connected with gag lever post, and the both sides of clamp plate bottom are equal fixedly connected with spacing ring, and two spacing rings are sliding connection respectively in the body of rod of two gag lever posts.

Preferably, the intermediate position fixedly connected with pillar of retaining cylinder bottom inner wall, and the top fixedly connected with loading board of pillar, the loading board laminating is in the bottom of floating the piece, and evenly distributed's concave surface groove is seted up to floating the bottom surface of piece.

Compared with the prior art, the invention provides a solar transformer with a heat dissipation function, which has the following beneficial effects:

1. through setting up a water storage cylinder, the inlet tube, solenoid valve and air-blower, connect the top of inlet tube in water supply mechanism, the solenoid valve switches on, pour into cold water into to the bottom of water storage cylinder, the air-blower circular telegram starts, blow to the bottom of transformer body, promote the transformer body heat external radiation, play the radiating effect, the air-blower can accelerate the air flow speed in the water storage cylinder, promote volatilizing of cold water, this process heat absorption, reduce the temperature of blowing to the transformer body air, further optimize the radiating effect, the apron seals the headspace of water storage cylinder, prevent that external debris from dropping and getting into the water storage cylinder.

2. Through setting up absorption cotton and filter screen, the air current that the air-blower blew reachs transformer body through dry storehouse, the water smoke that probably carries in the absorption cotton to the air current adsorbs, play the dehumidification effect, prevent to cause the corrosion of transformer body shell or the short circuit of internal components and parts, maintain transformer body's safe operation environment, two-layer filter screen is located the both sides that adsorb the cotton respectively, consolidate the absorption cotton, and prevent that external debris or dust from falling on the absorption cotton, promote the life who adsorbs the cotton.

3. Through setting up link and pull ring, dry storehouse is hung at the middle part of apron through keeping off the ring, can upwards stimulate two pull rings, takes out a water storage section of thick bamboo with dry storehouse, is convenient for clear up dry mechanism, and the rubber sleeve promotes the comfort level of gripping of pull ring, prevents that operator's palm is injured.

4. By arranging the travel switch, the floating block and the spring, the travel switch is connected to a circuit between the electromagnetic valve and the power supply, when the water level in the water storage cylinder exceeds the height of the bottom of the floating block, the floating block begins to rise synchronously along with the water level, the travel switch presses the top plate upwards, the height of the floating block gradually rises, the pressure applied to the trigger end of the travel switch gradually increases until the electromagnetic valve and the power supply are disconnected, the water inlet pipe stops supplying water, when the water amount in the water storage cylinder is reduced, the water level is reduced, the travel switch descends along with the floating block until the trigger end of the travel switch leaves the top plate, the electromagnetic valve is conducted with the power supply again, the water supply is recovered until the water level reaches the preset height again, the automatic control of the water supply process is realized, the labor intensity of workers is reduced, the heat dissipation step of the transformer body is simplified, when the travel switch is pressurized, the supporting plate and the pressing plate jointly compress the spring, the stress process of the travel switch is buffered, the protection effect is achieved, the two sliding blocks respectively slide along the two sliding rods, the rising track of the supporting plate is limited, and deviation is avoided.

5. Through setting up loading board and concave surface groove, support in the bottom of floating block through pillar and loading board, lift the height of floating block, shorten the stroke of two sliders, with the wearing and tearing between slider and the slide bar, extension fixture's life, concave surface groove has increased the surface area of floating block bottom, and the pressure differential of the upper and lower surface of increase floating block makes the come-up process more smooth and easy.

6. Through setting up gyro wheel and slide rail, when removing the transformer body, the gyro wheel rolls along the inside spout of slide rail, reduces the resistance that the transformer body received, simplifies the dismouting step of transformer body.

Drawings

Fig. 1 is a cross-sectional view of a solar transformer with a heat dissipation function according to the present invention;

fig. 2 is a schematic structural view of a slide rail and a roller of a solar transformer with a heat dissipation function according to the present invention;

fig. 3 is a schematic structural diagram of a drying chamber and a baffle ring of a solar transformer with a heat dissipation function according to the present invention;

fig. 4 is a schematic structural diagram of a position a of a solar transformer with a heat dissipation function according to the present invention;

fig. 5 is a schematic structural diagram of a portion B of a solar transformer with a heat dissipation function according to the present invention;

fig. 6 is a schematic structural view of a supporting plate and a pressing plate of a solar transformer with a heat dissipation function according to the present invention.

In the figure: 1-transformer body, 2-water storage cylinder, 3-support leg, 4-roller, 5-slide rail, 6-cover plate, 7-drying chamber, 8-top plate, 9-travel switch, 10-pressing plate, 11-slide block, 12-floating block, 13-concave groove, 14-slide bar, 15-support column, 16-bearing plate and 17-spring, 18-a limiting rod, 19-a filter cartridge, 20-a water inlet pipe, 21-a fixed hoop, 22-a fan base, 23-an electromagnetic valve, 24-a blower, 25-a cannula, 26-a chute, 27-a baffle ring, 28-a filter screen, 29-absorbent cotton, 30-a pull ring, 31-a rubber sleeve, 32-a limiting ring, 33-a jack and 34-a supporting plate.

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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, a solar transformer with heat dissipation function comprises a transformer body 1 and four legs 3, wherein the four legs 3 are respectively fixedly connected to four corners of the bottom of the transformer body 1, the four legs 3 are all configured to be cylindrical, a same cover plate 6 is arranged below the four legs 3, the bottom of the cover plate 6 is fixedly connected with a water storage cylinder 2, the inner wall of one side of the water storage cylinder 2 is fixedly connected with an air blower 24, an air outlet end of the air blower 24 is provided with an insertion pipe 25, the top of the insertion pipe 25 is inserted with a drying chamber 7, the drying chamber 7 is inserted in the middle of the cover plate 6, the inside of the drying chamber 7 is fixedly connected with a filtering mechanism, one side of the water storage cylinder 2 is fixedly connected with a water inlet pipe 20, the top of the water inlet pipe 20 is provided with a solenoid valve 23, the bottom end of the water inlet pipe 20 extends to the inside of the water storage cylinder 2, and the air flow blown by the air blower 24 reaches the transformer body 1 through the drying chamber 7, adsorb cotton 29 and adsorb the water smoke that probably carries in the air current, play the dehumidification effect, prevent to cause the corrosion of transformer body 1 shell or the short circuit of inside components and parts, maintain transformer body 1's safe operational environment, two-layer filter screen 28 is located the both sides of adsorbing cotton 29 respectively, consolidates adsorbing cotton 29 to prevent that external debris or dust from falling on adsorbing cotton 29, promote the life who adsorbs cotton 29.

According to the invention, the outer wall of the water storage cylinder 2 close to one side of the water inlet pipe 20 is fixedly connected with the fixing hoop 21, the water inlet pipe 20 is fixedly connected inside the fixing hoop 21, the bottom end of the water inlet pipe 20 is fixedly connected with the filter cylinder 19, the cylinder body of the filter cylinder 19 is provided with uniformly distributed filter holes, the water inlet pipe 20 is fixed on one side of the water storage cylinder 2 through the fixing hoop 21, the filter cylinder 19 filters water entering the water storage cylinder 2, dirt in the water is collected in the filter cylinder 19, and the problem that the water is difficult to clean after the water scale is dispersed on the inner wall of the water storage cylinder 2 is avoided, so that the maintenance cost of the device is reduced.

Wherein, one side fixed connection of air-blower 24 has fan seat 22, and fan seat 22 passes through the top of bolt fixed connection in the inner wall of water storage cylinder 2 one side, fixes air-blower 24 in the inside of water storage cylinder 2 through fan seat 22.

Wherein, filtering mechanism is including adsorbing cotton 29 and two filter screens 28, and the equal fixed connection in the top inner wall of dry storehouse 7 of two filter screens 28, adsorb cotton 29 fixed connection between two filter screens 28, the air current that air-blower 24 blown reachs transformer body 1 through dry storehouse 7, adsorb the water smoke that probably carries in the cotton 29 to the air current and adsorb, play the dehumidification effect, prevent to cause the corrosion of transformer body 1 shell or the short circuit of inside components and parts, maintain the safe operational environment of transformer body 1, two-layer filter screen 28 is located the both sides of adsorbing cotton 29 respectively, consolidate the adsorption cotton 29, and prevent that external debris or dust from falling on adsorbing cotton 29, promote the life who adsorbs cotton 29.

Wherein, the circumference fixedly connected with at 7 tops in dry storehouse keeps off ring 27, and keep off the equal fixedly connected with pull ring 30 in both sides at 27 tops of ring, the intermediate position at two pull ring 30 tops has all been cup jointed rubber sleeve 31, the bottom that keeps off ring 27 is laminated with the top of apron 6 mutually, dry storehouse 7 is hung at the middle part of apron 6 through keeping off ring 27, can upwards stimulate two pull rings 30, take out water storage cylinder 2 with dry storehouse 7, be convenient for clear up dry mechanism, rubber sleeve 31 promotes the comfort level of gripping of pull ring 20, prevent that operator's palm is injured.

Wherein, the inner wall of the bottom of the water storage cylinder 1 is fixedly connected with two parallel slide bars 14, the tops of the two slide bars 14 are fixedly connected with the same top plate 8, and the middle parts of the two slide bars 14 are inserted with the same floating block 12.

Wherein, the middle parts of the two slide bars 14 are all connected with the slide blocks 11 in a sliding way, the outer walls of the two slide blocks 11 are fixedly connected with the same supporting plate 34, the supporting plate 34 is positioned above the floating block 12, the middle parts of the two slide blocks 11 are both provided with the insertion holes 33, the inner diameter of the insertion holes 33 is equal to the outer diameter of the slide bars 14, the middle position of the inner wall at the bottom of the water storage cylinder 2 is fixedly connected with the support post 15, the top of the support post 15 is fixedly connected with the bearing plate 16, the bearing plate 16 is attached to the bottom of the floating block 12, the bottom surface of the floating block 12 is provided with the concave grooves 13 which are uniformly distributed, the bottom of the floating block 12 is supported by the support post 15 and the bearing plate 16, the height of the floating block 12 is raised, the stroke of the two slide blocks 11 is shortened, the abrasion between the slide blocks 11 and the slide bars 14 is prolonged, the service life of the device is prolonged, the surface area at the bottom of the floating block 12 is increased, and the pressure difference between the upper surface and the lower surface of the floating block 12 is increased, the floating process is smoother.

Wherein, the middle position of the top of the supporting plate 34 is fixedly connected with a spring 17, the top of the spring 17 is fixedly connected with a pressing plate 10, the middle position of the top of the pressing plate 10 is fixedly connected with a travel switch 9, the travel switch 9 is connected into a circuit between the electromagnetic valve 23 and a power supply, when the water level in the water storage cylinder 2 exceeds the height of the bottom of the floating block 12, the floating block 12 begins to rise synchronously with the water level, the travel switch 9 presses the top plate 8 upwards, the pressure applied to the triggering end of the travel switch 9 is gradually increased along with the gradual rise of the height of the floating block 12 until the electromagnetic valve 23 and the power supply are disconnected, the water inlet pipe 20 stops supplying water, when the water amount in the water storage cylinder 2 is reduced, the water level is lowered, the travel switch 9 descends along with the floating block 12 until the triggering end of the travel switch 9 leaves the top plate 8, the electromagnetic valve 23 is conducted with the power supply again, and the water supply is recovered until the water level reaches the preset height again.

Wherein, the equal fixedly connected with gag lever post 18 in both sides at layer board 34 top, and the equal fixedly connected with spacing ring 32 in both sides of clamp plate 10 bottom, two spacing rings 32 sliding connection are in the body of rod of two gag lever posts 18 respectively, and when spring 17 contracts, gag lever post 18 slides along the inside of gag lever post 32, inject travel switch 9's rising orbit.

Wherein, the equal fixedly connected with slide rail 5 in both sides at apron 6 top, and the inner wall of slide rail 5 both sides has all seted up spout 26, and the bottom of four stabilizer blades 3 all is connected with two gyro wheels 4 through the bearing rotation, and gyro wheel 4 is pegged graft inside two adjacent spout 26 of self, and when moving transformer body 1, gyro wheel 4 rolls along the inside spout 26 of slide rail 5, reduces the resistance that transformer body 1 received, simplifies transformer body 1's dismouting step.

The working principle is as follows: the air flow blown by the air blower 24 reaches the transformer body 1 through the drying bin 7, the adsorption cotton 29 adsorbs water mist possibly carried in the air flow, a dehumidification effect is achieved, the phenomenon that the shell of the transformer body 1 is rusted or the short circuit of internal components is caused is prevented, the safe operation environment of the transformer body 1 is maintained, the two layers of filter screens 28 are respectively located on two sides of the adsorption cotton 29, the adsorption cotton 29 is reinforced, external sundries or dust are prevented from falling on the adsorption cotton 29, the service life of the adsorption cotton 29 is prolonged, the stroke switch 9 is connected into a circuit between the electromagnetic valve 23 and a power supply, when the water level inside the water storage cylinder 2 exceeds the height of the bottom of the floating block 12, the floating block 12 starts to rise synchronously along with the water level, the stroke switch 9 presses the top plate 8 upwards, along with the gradual rise of the height of the floating block 12, the pressure applied to the triggering end of the stroke switch 9 gradually increases until the electromagnetic valve 23 and the power supply are disconnected, the water inlet pipe 20 stops supplying water, when the water amount inside the water storage barrel 2 is reduced, the water level is reduced, the travel switch 9 descends along with the floating block 12, the electromagnetic valve 23 is conducted with the power supply again until the trigger end of the travel switch 9 leaves the top plate 8, the water supply is recovered until the water level reaches the preset height again, the automatic control of the water supply process is realized, the labor intensity of workers is reduced, the heat dissipation step of the transformer body 1 is simplified, when the travel switch 9 is under pressure, the supporting plate 34 and the pressing plate 10 jointly compress the spring 17, the stress process of the travel switch 9 is buffered, the protection effect is achieved, the two sliding blocks 11 respectively slide along the two sliding rods 14, the ascending track of the supporting plate 34 is limited, and the deviation is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.