CN209766202U - lightning-protection and fire-prevention transformer - Google Patents
lightning-protection and fire-prevention transformer Download PDFInfo
- Publication number
- CN209766202U CN209766202U CN201821572138.9U CN201821572138U CN209766202U CN 209766202 U CN209766202 U CN 209766202U CN 201821572138 U CN201821572138 U CN 201821572138U CN 209766202 U CN209766202 U CN 209766202U
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- transformer
- heat dissipation
- lightning
- fire
- lightning protection
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Abstract
The utility model provides a lightning protection fire prevention transformer, including lightning protection device, heat abstractor, self-explosion fire extinguishing ball, transformer housing, base and transformer body, transformer housing sets up on the base, the transformer body sets up in transformer housing, the lightning protection device sets up in transformer housing upper end, heat abstractor sets up on transformer housing, self-explosion fire extinguishing ball sets up inside transformer housing and lies in transformer body top through the fixing base; the beneficial effects of the utility model are that lightning protection measure is diversified, improves the security, automatic fire extinguishing, bigger heat radiating area, better dispels the heat to the transformer.
Description
Technical Field
The utility model belongs to the technical field of the transformer and specifically relates to a lightning protection and fire prevention transformer is related to.
Background
The impact current of lightning in natural disasters is extremely large, the discharge time is short, the induction voltage also reaches an extremely high value, and the damage threat to various personnel and facilities is extremely large. The transformer accident has three major accidents, namely a lightning stroke accident, and has a tendency of rising year by year, so that the lightning protection reliability of the transformer must be improved to ensure the safe operation of the transformer.
Most of the existing transformers are protected against lightning by lightning rods, the lightning protection range of the protection measures is small, the lightning protection reliability is not high, and the problems of lightning stroke, fire hazards caused by poor heat dissipation and the like are ignored.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a lightning protection fire prevention transformer, can enlarge lightning-arrest protective scope, improve the lightning protection reliability, prevent fires and have good heat dispersion.
In order to solve the technical problem, the utility model discloses a technical scheme is: a lightning protection and fire prevention transformer comprises a lightning protection device, a heat dissipation device, a self-explosion fire extinguishing ball, a transformer shell, a base and a transformer body, wherein the transformer shell is arranged on the base;
The heat dissipation device comprises a water collector, a connecting pipe and a heat dissipation surface, the heat dissipation surface is arranged on the outer surface of the transformer shell and used for dissipating heat of the transformer shell, the water collector is arranged above the transformer shell and used for shielding the transformer shell from rain and collecting rainwater, and the heat dissipation surface is communicated with the water collector through the connecting pipe;
The lightning protection device comprises a lightning rod, a lightning conductor, a charge neutralization device, a magnetic saturation transformer and an explosion-proof tube, wherein the lightning rod is arranged at the top of the water collector, one end of the lightning conductor is connected with the water collector, the other end of the lightning conductor is grounded, lightning current is guided into the ground, the charge neutralization device is arranged on the lightning conductor, the damage of free charge to the transformer is reduced, the explosion-proof tube is arranged at the upper part of the transformer shell and used for placing the transformer to explode, and the magnetic saturation transformer is arranged in a cavity of the base, so that equipment and a line are physically isolated;
The self-explosion fire extinguishing ball comprises heat-conducting metal, a first plastic layer, fire extinguisher driving agent, a second plastic layer and a dry powder ball core, the self-explosion fire extinguishing ball is sequentially formed by the steps of going from outside to inside, the first plastic layer, the fire extinguisher driving agent, the second plastic layer and the dry powder ball core, one end of the heat-conducting metal is arranged inside the transformer shell, and the other end of the heat-conducting metal sequentially penetrates through the first plastic layer and the fire extinguisher driving agent and the second plastic layer is contacted.
furthermore, the fixing base comprises a poking rod, a locking rod, a positioning block and a spring, the positioning block is arranged inside the fixing base, a groove is formed in the transformer shell, the lower end of the locking rod extends into the groove, the locking rod and the positioning block are connected through the spring, and the poking rod is inserted into the side edge of the fixing base and is connected with the locking rod.
Further, the transformer shell is sequentially provided with a metal heat dissipation outer layer, a fireproof heat dissipation middle layer and an electrostatic shielding heat dissipation inner layer from outside to inside, and the electrostatic shielding heat dissipation layer is attached to the surface of the transformer body to form an electrostatic shielding net.
Further, the water collector comprises a first bending section, a first protruding section and a second bending section, and a water collecting hole is formed in the first bending section, so that rainwater can be conveniently collected and stored.
Furthermore, the surface of the outer metal heat dissipation layer is provided with heat dissipation fins, and the heat dissipation surface is in contact with the heat dissipation fins, so that the heat dissipation effect is enhanced.
Furthermore, the fireproof heat dissipation middle layer is a metal mesh chain, and the upper end and the lower end of the fireproof heat dissipation middle layer are filled with active carbon, so that the fire can be quickly extinguished in case of fire.
Furthermore, the electrostatic shielding heat dissipation layer is in contact with the base, and the grounding stud penetrates through the base and is inserted into the ground, so that the equipment is in a strong grounding state.
Furthermore, the heat conducting metal is made of red copper, so that the heat conducting property is improved.
furthermore, the shape of the heat conducting metal is a cone, so that heat conduction is accelerated.
Compared with the prior art, the utility model has the advantages and positive effect be: due to the adoption of the technical scheme, lightning protection measures of the transformer are diversified, the lightning guiding needle can guide lightning and prevent lightning stroke, the grounding conducting wire can guide lightning stroke current to the underground, the charge neutralizing device can effectively reduce the damage of free charges to equipment, the magnetic saturation transformer can enable the equipment and a circuit to form physical isolation to protect the equipment, meanwhile, the requirement on grounding resistance is reduced, the safety is improved, a Faraday cage effect is formed by a metal net structure of a transformer shell, an electrostatic shielding effect is provided, and the threat caused by the lightning stroke is effectively isolated;
The self-explosion fire extinguishing ball can be rapidly self-exploded at the beginning stage of fire occurrence to generate a large amount of non-combustible gas and a large amount of dry powder for extinguishing fire, thereby rapidly preventing the fire from spreading and rapidly extinguishing fire;
The water collector can prevent the transformer body from being wetted by rainwater, can collect rainwater, and rainwater stored in the radiating surface can cooperate with the radiating fins formed by the metal radiating outer layer to radiate the transformer shell, so that the radiating area and the radiating efficiency are increased, the metal structure of the transformer shell is also fine, the heat conductivity is increased, and heat generated by the transformer body can be quickly radiated.
Drawings
Fig. 1 is a schematic diagram of the mechanism of the present invention;
Fig. 2 is a front view of the present invention;
FIG. 3 is a top view of the water collector of the present invention;
FIG. 4 is a schematic structural view of the self-explosion fire extinguishing ball of the present invention;
fig. 5 is a partially enlarged view of the fixing seat of the present invention.
In the figure:
1. Lightning protection device 1-1, lightning guide needle 1-2 and lightning protection wire
1-3 parts of charge neutralization device, 1-4 parts of magnetic saturation transformer and 1-5 parts of explosion-proof tube
2. Heat sink 2-1, water collector 2-1-1, water collecting hole
2-1-2, a second bending section 2-1-3, a first convex section 2-1-4 and a first bending section
3. 3-1 parts of self-explosion fire extinguishing ball, 3-2 parts of heat conducting metal and first plastic layer
3-3 parts of fire extinguisher driving agent, 3-4 parts of second plastic layer and 3-5 parts of dry powder ball core
3-6 parts of a fixed seat 3-6-1 parts of a poke rod 3-6-2 parts of a locking rod
3-6-3 parts of positioning block 3-6-4 parts of spring 4 parts of transformer shell
4-1, a metal heat dissipation outer layer 4-2, a fireproof heat dissipation middle layer 4-2-1 and activated carbon
4-3 parts of electrostatic shielding heat dissipation inner layer 5, grounding stud 6 and transformer body
7. Base seat
Detailed Description
in order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. 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. It should be noted that the figures and descriptions have omitted, for the sake of clarity, the representation and description of components and processes that are not relevant to the present invention and known to those of ordinary skill in the art.
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, and are only for convenience of description and simplicity of 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 therefore, should not be construed as limiting the present invention.
As shown in fig. 1 to 5, the embodiment provides a lightning protection and fire protection transformer, which includes a lightning protection device 1, a heat dissipation device 2, a self-explosion fire extinguishing ball 3, a transformer housing 4, a base 7 and a transformer body 6, wherein the transformer housing 4 is disposed on the base 7, the transformer body 6 is disposed in the transformer housing 4, the lightning protection device 1 is disposed at the upper end of the transformer housing 4, the heat dissipation device 2 is disposed on the transformer housing 4, and the self-explosion fire extinguishing ball 3 is disposed inside the transformer housing 4 and above the transformer body 6 through fixing seats 3-6;
the heat dissipation device 2 comprises a water collector 2-1, a connecting pipe 2-2 and a heat dissipation surface 2-3, the heat dissipation surface 2-3 is arranged on the outer surface of a transformer shell 4, the water collector 2-1 is arranged above the transformer shell 4, the water collector 2-1 consists of a first bending section 2-1-4, a first convex section 2-1-3 and a second bending section 2-1-2, a water collection hole 2-1-1 is formed in the first bending section 2-1-4, and the heat dissipation surface 2-3 is communicated with the water collector 2-1 through the connecting pipe 2-2;
The lightning protection device 1 comprises a lightning rod 1-1, a lightning conductor 1-2, a charge neutralization device 1-3, a magnetic saturation transformer 1-4 and an explosion-proof tube 1-5, wherein the lightning rod 1-1 is arranged at the top of a water collector 2-1, one end of the lightning conductor 1-2 is connected with the water collector 2-1, the other end of the lightning conductor is grounded, the charge neutralization device 1-3 is arranged on the lightning conductor 1-2, the explosion-proof tube 1-5 is arranged at the upper part of a transformer shell 4, and the magnetic saturation transformer 1-4 is arranged in a cavity of a base 7;
The self-explosion fire extinguishing ball 3 comprises a heat-conducting metal 3-1, a first plastic layer 3-2, a fire extinguisher driving agent 3-3, a second plastic layer 3-4 and a dry powder ball core 3-5, wherein the first plastic layer 3-2, the fire extinguisher driving agent 3-3, the second plastic layer 3-4 and the dry powder ball core 3-5 are sequentially arranged from outside to inside on the self-explosion fire extinguishing ball 3, the heat-conducting metal 3-1 is made of red copper, the heat-conducting metal 3-1 is in a cone shape, one end of the heat-conducting metal 3-1 is arranged inside a transformer shell 4, and the other end of the heat-conducting metal 3-1 sequentially penetrates through the first plastic layer 3-2 and the fire extinguisher driving agent 3-3 to contact with the second plastic layer 3-4.
The fixing seat 3-6 comprises a poke rod 3-6-1, a locking rod 3-6-2, a positioning block 3-6-3 and a spring 3-6-4, the positioning block 3-6-3 is arranged inside the fixing seat 3-6, a groove is formed in the transformer shell 4, the lower end of the locking rod 3-6-2 extends into the groove, the locking rod 3-6-2 and the positioning block 3-6-3 are connected through the spring 3-6-4, and the poke rod 3-6-1 is inserted from the side edge of the fixing seat 3-6 and is connected with the locking rod 3-6-2.
The transformer shell 4 is sequentially provided with a metal heat dissipation outer layer 4-1, a fireproof heat dissipation middle layer 4-2 and an electrostatic shielding heat dissipation inner layer 4-3 from outside to inside, the surface of the metal heat dissipation outer layer 4-1 is provided with heat dissipation fins, a heat dissipation surface 2-3 is in contact with the heat dissipation fins, the fireproof heat dissipation middle layer 4-2 is a metal net chain, the upper end and the lower end of the fireproof heat dissipation middle layer are filled with active carbon 4-2-1, the electrostatic shielding heat dissipation layer 4-3 is attached to the surface of a transformer body 6, the electrostatic shielding heat dissipation layer 4-3 is in contact with a base 7, and a grounding stud 5 penetrates.
The working process of the example is as follows: when lightning strike occurs, the lightning guide pin 1-1 attracts lightning, current flows through the lightning protection lead 1-2 and the charge neutralization device 1-3, the charge neutralization device 1-3 reduces the influence of induced charge on the transformer body 6, then the current flows into the ground, the magnetic saturation transformer 1-4 enables equipment and a circuit to form physical isolation when the lightning strike occurs, meanwhile, the requirement on grounding resistance is reduced, the transformer shell 4 forms an electrostatic shielding net when the lightning strike occurs to protect the transformer body 6, and the grounding stud 5 enables the whole transformer to be in a strong grounding state, so that a better lightning protection effect is provided; when the self-explosion fire extinguishing ball 3 is installed, the poke rod 3-6-1 is pressed, the poke rod 3-6-1 pushes the locking rod 3-6-2, the locking rod 3-6-2 extrudes the spring 3-6-4, the spring 3-6-4 extrudes the positioning block 3-6-3, the locking rod 3-6-2 is placed in a groove in the inner surface of the transformer shell 4, the poke rod 3-6-1 is released, and the spring 3-6-4 pushes the locking rod 3-6-2, so that the installation is completed; when a fire disaster occurs, the activated carbon 4-2-1 filled in the fireproof heat dissipation middle layer 4-2 is combusted to generate a large amount of carbon dioxide, so that a fire extinguishing effect is achieved, the heat conducting metal 3-1 on the self-explosion fire extinguishing ball 3 is positioned at one end of the inner space of the transformer shell 4 and is heated, the heat is conducted to the whole heat conducting metal 3-1, after a certain temperature is reached, the fire extinguisher driving agent 3-3 reacts to generate a large amount of non-combustible gas, the first plastic layer 3-2 and the second plastic layer 3-4 are broken by air pressure, the dry powder ball core 3-5 explodes to rapidly extinguish open fire, and the explosion-proof pipe 1-5 prevents the transformer body 6 from exploding when the fire disaster occurs; when raining, rainwater is blocked by the water collector 2-1 and does not wet the transformer body 6, rainwater falling into the first bending section 2-1-4 and the first protruding section 2-1-3 flows into the water collector 2-1 through the water collecting holes and flows into the heat radiating surface 2-3 through the connecting pipe 2-2 to radiate the transformer shell 4, the metal material of the transformer shell 4 can radiate the transformer body 6 well, and the radiating fins of the metal radiating outer layer 4-1 have a good radiating effect.
Due to the adoption of the technical scheme, lightning protection measures of the transformer are diversified, the lightning guiding needle can guide lightning and prevent lightning stroke, the grounding conducting wire can guide lightning stroke current to the underground, the charge neutralizing device can effectively reduce the damage of free charges to equipment, the magnetic saturation transformer can enable the equipment and a circuit to form physical isolation to protect the equipment, meanwhile, the requirement on grounding resistance is reduced, the safety is improved, a Faraday cage effect is formed by a metal net structure of a transformer shell, an electrostatic shielding effect is provided, and the threat caused by the lightning stroke is effectively isolated;
the self-explosion fire extinguishing ball can be rapidly self-exploded at the beginning stage of fire occurrence to generate a large amount of non-combustible gas and a large amount of dry powder for extinguishing fire, thereby rapidly preventing the fire from spreading and rapidly extinguishing fire;
The water collector can prevent the transformer body from being wetted by rainwater, can collect rainwater, and rainwater stored in the radiating surface can cooperate with the radiating fins formed by the metal radiating outer layer to radiate the transformer shell, so that the radiating area and the radiating efficiency are increased, the metal structure of the transformer shell is also fine, the heat conductivity is increased, and heat generated by the transformer body can be quickly radiated.
while one or more embodiments of the present invention have been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (9)
1. the utility model provides a lightning protection fire prevention transformer which characterized in that: the transformer comprises a lightning protection device [1], a heat dissipation device [2], a self-explosion fire extinguishing ball [3], a transformer shell [4], a base [7] and a transformer body [6], wherein the transformer shell [4] is arranged on the base [7], the transformer body [6] is arranged in the transformer shell [4], the lightning protection device [1] is arranged at the upper end of the transformer shell [4], the heat dissipation device [2] is arranged on the transformer shell [4], and the self-explosion fire extinguishing ball [3] is arranged in the transformer shell [4] through fixing seats [3-6] and is positioned above the transformer body [6 ];
The heat dissipation device [2] comprises a water collector [2-1], a connecting pipe [2-2] and a heat dissipation surface [2-3], the heat dissipation surface [2-3] is arranged on the outer surface of the transformer shell [4], the water collector [2-1] is arranged above the transformer shell [4], and the heat dissipation surface [2-3] is communicated with the water collector [2-1] through the connecting pipe [2-2 ];
the lightning protection device [1] comprises a lightning rod [1-1], a lightning conductor [1-2], a charge neutralization device [1-3], a magnetic saturation transformer [1-4] and an explosion-proof tube [1-5], wherein the lightning rod [1-1] is arranged at the top of the water collector [2-1], one end of the lightning conductor [1-2] is connected with the water collector [2-1], the other end of the lightning conductor is grounded, the charge neutralization device [1-3] is arranged on the lightning conductor [1-2], the explosion-proof tube [1-5] is arranged at the upper part of the transformer shell [4], and the magnetic saturation transformer [1-4] is arranged in a cavity of the base [7 ];
the self-explosion fire extinguishing ball [3] comprises a heat-conducting metal [3-1], a first plastic layer [3-2], a fire extinguisher driving agent [3-3], a second plastic layer [3-4] and a dry powder ball core [3-5], wherein the first plastic layer [3-2], the fire extinguisher driving agent [3-3], the second plastic layer [3-4] and the dry powder ball core [3-5] are sequentially arranged on the self-explosion fire extinguishing ball [3] from outside to inside, one end of the heat-conducting metal [3-1] is arranged inside the transformer shell [4], and the other end of the heat-conducting metal [3-1] sequentially penetrates through the first plastic layer [3-2] and the fire extinguisher driving agent [3-3] to be in contact with the second plastic layer [3-4 ].
2. the lightning protection and fire protection transformer of claim 1, wherein: the fixed seat [3-6] comprises a poke rod [3-6-1], a locking rod [3-6-2], a positioning block [3-6-3] and a spring [3-6-4], the positioning blocks [3-6-3] are arranged in the fixed seats [3-6], a groove is arranged in the transformer shell [4], the lower end of the locking rod [3-6-2] extends into the groove, the locking rod [3-6-2] is connected with the positioning block [3-6-3] through the spring [3-6-4], the poke rod [3-6-1] is inserted from the side edge of the fixed seat [3-6] and is connected with the locking rod [3-6-2 ].
3. The lightning protection and fire protection transformer of claim 1, wherein: the transformer shell [4] is sequentially provided with a metal heat dissipation outer layer [4-1], a fireproof heat dissipation middle layer [4-2] and an electrostatic shielding heat dissipation inner layer [4-3] from outside to inside, and the electrostatic shielding heat dissipation layer [4-3] is attached to the surface of the transformer body [6 ].
4. The lightning protection and fire protection transformer of claim 1, wherein: the water collector [2-1] consists of a first bending section [2-1-4], a first convex section [2-1-3] and a second bending section [2-1-2], and the first bending section [2-1-4] is provided with water collecting holes [2-1-1 ].
5. A lightning protection and fire protection transformer according to claim 3, characterized in that: and the surface of the metal heat dissipation outer layer [4-1] is provided with a heat dissipation sheet, and the heat dissipation surface [2-3] is in contact with the heat dissipation sheet.
6. A lightning protection and fire protection transformer according to claim 3, characterized in that: the fireproof heat dissipation middle layer [4-2] is a metal mesh chain, and the upper end and the lower end of the fireproof heat dissipation middle layer are filled with active carbon [4-2-1 ].
7. a lightning protection and fire protection transformer according to claim 3, characterized in that: the electrostatic shielding heat dissipation layer [4-3] is in contact with the base [7], and the grounding stud [5] penetrates through the base [7] and is inserted into the ground.
8. The lightning protection and fire protection transformer of claim 1, wherein: the heat conducting metal [3-1] is made of red copper.
9. A lightning protection and fire protection transformer according to claim 1 or 8, characterised in that: the shape of the heat conducting metal [3-1] is a cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572138.9U CN209766202U (en) | 2018-09-26 | 2018-09-26 | lightning-protection and fire-prevention transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572138.9U CN209766202U (en) | 2018-09-26 | 2018-09-26 | lightning-protection and fire-prevention transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209766202U true CN209766202U (en) | 2019-12-10 |
Family
ID=68744375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821572138.9U Expired - Fee Related CN209766202U (en) | 2018-09-26 | 2018-09-26 | lightning-protection and fire-prevention transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209766202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517112A (en) * | 2021-03-26 | 2021-10-19 | 江苏凡高电气有限公司 | Anti-leakage and fireproof oil-immersed transformer |
| CN115845294A (en) * | 2021-09-24 | 2023-03-28 | 中国石油化工股份有限公司 | Fire arrester capable of automatically eliminating defects of fire-retardant part |
-
2018
- 2018-09-26 CN CN201821572138.9U patent/CN209766202U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517112A (en) * | 2021-03-26 | 2021-10-19 | 江苏凡高电气有限公司 | Anti-leakage and fireproof oil-immersed transformer |
| CN115845294A (en) * | 2021-09-24 | 2023-03-28 | 中国石油化工股份有限公司 | Fire arrester capable of automatically eliminating defects of fire-retardant part |
| CN115845294B (en) * | 2021-09-24 | 2024-01-12 | 中国石油化工股份有限公司 | Flame arrester capable of automatically eliminating defects of flame retardant part |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20200926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |