阅读说明：本技术 一种带有灭火装置的变压器 (Transformer with fire extinguishing device ) 是由 彭启东 于 2021-09-26 设计创作，主要内容包括：本发明公开了一种带有灭火装置的变压器,包括基板、安装在基板上端的变压器本体、用于密封变压器本体的密封折叠罩、与密封折叠罩连接的触发机构和气体机构。本发明通过触发机构与气体机构的相互配合,一旦变压器热量淤积而无法散出,则利用其热量转化为密封折叠罩密封罩设在变压器本体外的能量,而后通过气压机构将密封折叠罩内部空间呈现无氧气的高压状态或负压状态,以避免变压器本体发生火灾。(The invention discloses a transformer with a fire extinguishing device, which comprises a substrate, a transformer body arranged at the upper end of the substrate, a sealing folding cover used for sealing the transformer body, a triggering mechanism connected with the sealing folding cover and a gas mechanism. According to the invention, through the mutual matching of the trigger mechanism and the gas mechanism, once the heat of the transformer is accumulated and can not be dissipated, the heat is converted into the energy of the sealing cover of the sealing folding cover arranged outside the transformer body, and then the internal space of the sealing folding cover is in a high-pressure state or a negative-pressure state without oxygen through the gas pressure mechanism, so that the transformer body is prevented from generating fire.)

1. The utility model provides a transformer with extinguishing device which characterized in that: the transformer comprises a substrate (12), a transformer body (11) arranged at the upper end of the substrate (12), a sealing folding cover (13) used for sealing the transformer body (11), a trigger mechanism connected with the sealing folding cover (13) and a gas mechanism.

2. The transformer with fire extinguishing apparatus according to claim 1, wherein: the trigger mechanism comprises first mounting blocks (21) which are symmetrically arranged at two sides of a transformer body (11), a first rotating cavity (211) and a second rotating cavity (212) are symmetrically arranged in the two first mounting blocks (21), the first rotating cavity (211) and the second rotating cavity (212) are connected with a first rotating shaft (22) in a rotating way, the first rotating shaft (22) is coaxially and fixedly connected with a fluted disc (23) in the first rotating cavity (211), the first rotating shaft (22) is connected with a clockwork spring (29) in the second rotating cavity (212) and the inner wall of the second rotating cavity (212), a clamping plate (24) used for clamping a fluted disc (23) is hinged in the first rotating cavity (211), one side of the clamping plate (24) close to the second rotating cavity (212) and the inner wall of the first rotating cavity (211) are connected with an arc-shaped spring (25) together, and the opposite sides of the two clamping plates (24) are connected with a connecting rope (28) together.

3. A transformer with fire extinguishing apparatus according to claim 2, characterized in that: the transformer body (11) and the first mounting block (21) are provided with a first guide wheel (26) and a second guide wheel (27) in a staggered mode, and the connecting rope (28) sequentially bypasses the first guide wheel (26) and the second guide wheel (27).

4. The transformer with fire extinguishing apparatus according to claim 1, wherein: the trigger mechanism comprises second installation blocks (31) which are symmetrically and fixedly arranged on a transformer body (11), wherein a third rotation cavity (34) is formed in each second installation block (31), each second installation block (31) is connected with a second rotating shaft (32) in a rotating mode on one side opposite to each other, one end of each second rotating shaft (32) extends into the corresponding third rotation cavity (34) and is fixedly connected with a rotating disc (33), an annular groove is formed between each rotating disc (33) and the corresponding third rotation cavity (34), a fixed block (35) is fixedly connected to the inner wall of the annular groove, a sliding block (36) is fixedly connected to the outer wall of each rotating disc (33), a sealing bag (37) is fixedly connected to one side, close to each other, of the fixed block (35) and the sliding block (36) in a sealing mode, a needle valve (361) is installed in each sliding block (36), and a needle rod (351) is fixedly connected to the other side of the fixed block (35), the transformer is characterized in that a box body (38) is fixedly mounted at the upper end of the transformer body (11), evaporation liquid is filled in the box body (38), and the box body (38) is connected with a sealing bag (37) through an air pipe (39).

5. The transformer with fire extinguishing apparatus according to claim 1, wherein:the gas mechanism comprises a mesh bag (41) which is connected with the inner wall of the sealed folding cover (13) by a zipper, a reactant (42) is filled in the mesh bag (41), and the reactant (42) is CaCO₃。

6. The transformer with fire extinguishing apparatus according to claim 1, wherein: the gas mechanism includes vacuum pump (51) that fixed mounting is in base plate (12) upper end, is connected through pipeline and sealed folding cover (13), fixes first electric contact (52) and inlays and establish in base plate (12) upper end and with first electric contact (52) cooperation second electric contact (53) that use at sealed folding cover (13) tip, vacuum pump (51), first electric contact (52), second electric contact (53) electric connection have the power.

Technical Field

The invention relates to the technical field of transformers, in particular to a transformer with a fire extinguishing device.

Background

A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values. When the transformer is used for a long time, once the heat dissipation capacity is lower than the heat production capacity, heat siltation can be generated, and fire disasters can happen in serious cases, so that equipment resources are lost. The existing transformer does not have a fire extinguishing structure, and the transformer is extremely easy to improve when a fire disaster happens because the fire is easily extinguished manually.

To this end, we propose a transformer with fire extinguishing means to solve the above mentioned problems.

Disclosure of Invention

The present invention is intended to provide a transformer with a fire extinguishing apparatus to prevent a fire from occurring.

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

a transformer with a fire extinguishing device comprises a substrate, a transformer body arranged at the upper end of the substrate, a sealed folding cover used for sealing the transformer body, a triggering mechanism connected with the sealed folding cover and a gas mechanism.

Preferably, trigger mechanism sets up the first installation piece in transformer body both sides including the symmetry, two first rotation chamber and second rotation chamber have been seted up to the symmetry in the first installation piece, first rotation chamber rotates the intracavity with the second and rotates jointly and be connected with first pivot, first pivot is at the coaxial fixedly connected with fluted disc in first rotation intracavity, first pivot rotates the intracavity at the second and rotates the inner wall connection in chamber with the second and have the clockwork spring, first rotation intracavity articulates there is the cardboard that is used for the joint fluted disc, one side that the cardboard is close to the second rotation chamber is connected with the arc spring jointly with the inner wall in first rotation chamber, two the relative one side of cardboard is connected with the connection rope jointly.

Preferably, the transformer body and the first mounting block are provided with a first guide wheel and a second guide wheel in a staggered manner, and the connecting rope sequentially bypasses the first guide wheel and the second guide wheel.

Preferably, trigger mechanism includes that the symmetry is fixed to be set up at the second installation piece of transformer body, two the third rotation chamber has been seted up in the installation piece, two the relative one side of second installation piece rotates jointly and is connected with the second pivot, the one end of second pivot extends to the third and rotates intracavity and fixedly connected with carousel, carousel and third rotate and form the ring channel between the chamber, the inner wall fixedly connected with fixed block of ring channel, the outer wall fixedly connected with sliding block of carousel, the fixed block seals fixedly connected with sealed capsule together with one side that the sliding block is close to each other, install the needle valve in the sliding block, the opposite side fixedly connected with needle bar of fixed block, the upper end fixed mounting of transformer body has the box, the box intussuseption is filled with the evaporating liquid, the box passes through the trachea and is connected with sealed capsule.

Preferably, the gas mechanism comprises a mesh bag which is connected with the inner wall of the sealed folding cover by a zipper, a reactant is filled in the mesh bag, and the reactant is CaCO 3.

Preferably, the gas mechanism includes a vacuum pump fixedly mounted at the upper end of the substrate and connected with the sealed folding cover through a pipeline, a first electric contact fixed at the end part of the sealed folding cover and a second electric contact embedded at the upper end of the substrate and used in cooperation with the first electric contact, and the vacuum pump, the first electric contact and the second electric contact are electrically connected with a power supply

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, through the mutual matching of the trigger mechanism and the gas mechanism, once the heat of the transformer is accumulated and can not be dissipated, the heat is converted into the energy of the sealing cover of the sealing folding cover arranged outside the transformer body, and then the internal space of the sealing folding cover is in a high-pressure state or a negative-pressure state without oxygen through the gas pressure mechanism, so that the transformer body is prevented from generating fire.

Drawings

FIG. 1 is a schematic top view of a trigger mechanism according to the present invention;

FIG. 2 is a sectional view of a first mounting block of the trigger mechanism of the present invention;

FIG. 3 is a schematic structural view of a front surface of a fluted disc of one of the triggering mechanisms of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 5 is a front sectional view of a second mounting block of another trigger mechanism of the present invention;

FIG. 6 is a front sectional view of one of the gas mechanisms of the present invention;

fig. 7 is a front sectional view of another gas mechanism of the present invention.

In the figure: 11 transformer body, 12 base plate, 13 sealed folding cover, 21 first mounting block, 211 first rotating cavity, 212 second rotating cavity, 22 first rotating shaft, 23 fluted disc, 231 gullet, 24 catch plate, 25 arc spring, 26 first guide wheel, 27 second guide wheel, 28 connecting rope, 29 clockwork spring, 31 second mounting block, 32 second rotating shaft, 33 rotating disc, 34 third rotating cavity, 35 fixed block, 351 needle bar, 36 sliding block, 361 needle valve, 37 sealed capsule, 38 box body, 39 air pipe, 41 mesh bag, 42 reactant, 51 vacuum pump, 52 first electric contact, 53 second electric contact.

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.

A transformer with a fire extinguishing device comprises a substrate 12, a transformer body 11 arranged at the upper end of the substrate 12, a sealing folding cover 13 used for sealing the transformer body 11, a triggering mechanism connected with the sealing folding cover 13 and a gas mechanism.

Example 1

Trigger mechanism sets up the first installation piece 21 in transformer body 11 both sides including the symmetry, first rotation chamber 211 and second rotation chamber 212 have been seted up to the symmetry in two first installation pieces 21, first rotation chamber 211 rotates the chamber 212 with the second and rotates jointly and be connected with first pivot 22, first pivot 22 is coaxial fixedly connected with fluted disc 23 in first rotation chamber 211, first pivot 22 rotates the chamber 212 with the second in the second and rotates the inner wall of chamber 212 and be connected with clockwork spring 29, it has cardboard 24 that is used for joint fluted disc 23 to articulate in the first rotation chamber 211, cardboard 24 is close to the second and rotates one side of chamber 212 and the inner wall of first rotation chamber 211 and be connected with arc spring 25 jointly, two relative one sides of cardboard 24 are connected with jointly and connect rope 28. The transformer body 11 and the first mounting block 21 are provided with a first guide pulley 26 and a second guide pulley 27 in a staggered manner, and the connecting rope 28 is sequentially arranged around the first guide pulley 26 and the second guide pulley 27.

The gas mechanism comprises two mesh bags 41 which are connected with the inner wall of the sealed folding cover 13 by adopting a zipper, wherein the mesh bags 41 are filled with a reactant 42, and the reactant 42 is CaCO 3.

Example 2

The triggering mechanism comprises second mounting blocks 31 symmetrically and fixedly arranged on the transformer body 11, third rotating cavities 34 are formed in the two second mounting blocks 31, two opposite sides of the two second mounting blocks 31 are connected with second rotating shafts 32 in a rotating mode, one ends of the second rotating shafts 32 extend into the third rotating cavities 34 and are fixedly connected with rotating discs 33, annular grooves are formed between the rotating discs 33 and the third rotating cavities 34, fixing blocks 35 are fixedly connected to the inner walls of the annular grooves, sliding blocks 36 are fixedly connected to the outer walls of the rotating discs 33, sealing bags 37 are fixedly connected to the sides, close to the fixing blocks 35 and the sliding blocks 36, of the fixing blocks 37 in a sealing mode, needle valves 361 are installed in the sliding blocks 36, needle rods 351 are fixedly connected to the other sides of the fixing blocks 35, a box body 38 is fixedly installed at the upper end of the transformer body 11, evaporation liquid is filled in the box body 38, and the box body 38 is connected with the sealing bags 37 through air pipes 39.

The gas mechanism comprises two mesh bags 41 which are connected with the inner wall of the sealed folding cover 13 by adopting a zipper, wherein the mesh bags 41 are filled with a reactant 42, and the reactant 42 is CaCO 3.

Example 3

Trigger mechanism sets up the first installation piece 21 in transformer body 11 both sides including the symmetry, first rotation chamber 211 and second rotation chamber 212 have been seted up to the symmetry in two first installation pieces 21, first rotation chamber 211 rotates the chamber 212 with the second and rotates jointly and be connected with first pivot 22, first pivot 22 is coaxial fixedly connected with fluted disc 23 in first rotation chamber 211, first pivot 22 rotates the chamber 212 with the second in the second and rotates the inner wall of chamber 212 and be connected with clockwork spring 29, it has cardboard 24 that is used for joint fluted disc 23 to articulate in the first rotation chamber 211, cardboard 24 is close to the second and rotates one side of chamber 212 and the inner wall of first rotation chamber 211 and be connected with arc spring 25 jointly, two relative one sides of cardboard 24 are connected with jointly and connect rope 28. The transformer body 11 and the first mounting block 21 are provided with a first guide pulley 26 and a second guide pulley 27 in a staggered manner, and the connecting rope 28 is sequentially arranged around the first guide pulley 26 and the second guide pulley 27.

The gas mechanism comprises a vacuum pump 51 fixedly arranged at the upper end of the substrate 12 and connected with the sealed folding cover 13 through a pipeline, a first electric contact 52 fixed at the end part of the sealed folding cover 13 and a second electric contact 53 embedded at the upper end of the substrate 12 and matched with the first electric contact 52 for use, wherein the vacuum pump 51, the first electric contact 52 and the second electric contact 53 are electrically connected with a power supply.

Example 4

The triggering mechanism comprises second mounting blocks 31 symmetrically and fixedly arranged on the transformer body 11, third rotating cavities 34 are formed in the two second mounting blocks 31, two opposite sides of the two second mounting blocks 31 are connected with second rotating shafts 32 in a rotating mode, one ends of the second rotating shafts 32 extend into the third rotating cavities 34 and are fixedly connected with rotating discs 33, annular grooves are formed between the rotating discs 33 and the third rotating cavities 34, fixing blocks 35 are fixedly connected to the inner walls of the annular grooves, sliding blocks 36 are fixedly connected to the outer walls of the rotating discs 33, sealing bags 37 are fixedly connected to the sides, close to the fixing blocks 35 and the sliding blocks 36, of the fixing blocks 37 in a sealing mode, needle valves 361 are installed in the sliding blocks 36, needle rods 351 are fixedly connected to the other sides of the fixing blocks 35, a box body 38 is fixedly installed at the upper end of the transformer body 11, evaporation liquid is filled in the box body 38, and the box body 38 is connected with the sealing bags 37 through air pipes 39.

The gas mechanism comprises a vacuum pump 51 fixedly arranged at the upper end of the substrate 12 and connected with the sealed folding cover 13 through a pipeline, a first electric contact 52 fixed at the end part of the sealed folding cover 13 and a second electric contact 53 embedded at the upper end of the substrate 12 and matched with the first electric contact 52 for use, wherein the vacuum pump 51, the first electric contact 52 and the second electric contact 53 are electrically connected with a power supply.

The working principle of one of the trigger mechanisms in the invention is as follows:

before trigger mechanism work, two cardboard 24 are connected rope 28 taut under the elastic force of arc spring 25, thereby avoid fluted disc 23 to take place to rotate, clockwork spring 29 at this moment is in the energy storage state, in case transformer body 11 heat can't be effused and take place when the naked light or before not taking place the naked light, when reaching the ignition point of connecting rope 28, then can blow connecting rope 28, cardboard 24 just can deviate from tooth's socket 231 on fluted disc 23 under the elastic force of arc spring 25, first pivot 22 then drives sealed folding cover 13 and rotates, and then establishes transformer body 11 cover in sealed folding cover 13.

The working principle of the other triggering mechanism is as follows:

the boiling point of the evaporating liquid in the box 38 can be in the range of 30-100 ℃, the variety of evaporating liquids is various, which is not described herein, once the heat of the transformer body 11 cannot be dissipated in time, the heat will be transferred to the evaporating liquid through the box 38 until the evaporating liquid reaches the boiling point, the generated gas enters the sealing bag 37 through the gas pipe 39, so as to push the sliding block 36 to slide in the annular groove, the second rotating shaft 32 is driven to rotate through the rotating disc 33, and further the sealing folding cover 13 is driven to rotate, the transformer body 11 is covered in the sealing folding cover 13, and when the sliding block 36 rotates to the position contacting with the fixed block 35, the needle rod 351 pierces into the needle valve 361 to deflate for the next use.

The working principle of one of the gas mechanisms in the invention is as follows:

when the sealed folding cover 13 is covered outside the transformer body 11, CaCO can be generated under the reaction condition of high temperature₃Decomposition into CaO and CO₂，CO₂The sealed and folded enclosure 13 can be brought to a positive pressure state above atmospheric pressure to extinguish a fire by isolating oxygen.

The working principle of the other gas mechanism in the invention is as follows:

when the sealed folding cover 13 is covered on the transformer body 11 and the first electric contact 52 is contacted with the second electric contact 53, the vacuum pump 51 is powered on to pump the gas in the sealed folding cover 13 to be in a negative pressure state.

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.