Fireproof efficiency test equipment for transformer

Abstract

The invention relates to the technical field of transformer fire protection, in particular to a transformer fire protection efficiency test device, which comprises a base and a transformer, the upper end of the base is connected with the transformer, two sides of the base are fixedly connected with two groups of supporting columns, the tops of the supporting columns are provided with a fire protection assembly, and the outer side of the transformer is provided with a heat dissipation assembly; the fireproof assembly comprises a fixing plate, a smoke alarm, a first spray head, a storage tank, a fixing pipe and a second spray head. According to the invention, the fireproof assembly is arranged; when the smoke alarm detects that the transformer is on fire, nitrogen dioxide is sprayed through the first spray head connected with the storage tank, and meanwhile, nitrogen dioxide is sprayed to the two sides of the transformer through the second spray heads on the two sides, so that the fire behavior is restrained, the rescue time is prolonged, major fire disasters are avoided, and the safety of the transformer is improved; and through the arrangement of the heat dissipation assembly, air flow exchange is accelerated, liquid water accelerates heat dissipation, and therefore the heat exchange effect of the equipment is improved.

Description

Technical Field

[0001] The invention relates to the technical field of transformer fire prevention, in particular to a transformer fire prevention efficiency testing device. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, the secondary coil and the iron core. The main functions of the transformer are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization, etc. According to their uses, they can be divided into: power transformers and special transformers. Transformers are basic equipment for power transmission and distribution, and are widely used in industry, agriculture, transportation, urban communities and other fields. The transformer is filled with transformer oil. When the transformer is working, its internal temperature is relatively high. Therefore, a transformer heat exchange device is needed to exchange the internal heat of the transformer to avoid excessive temperature of the transformer.

[0003] After searching, the patent application number is (201310368250.6), which discloses a "heat exchange type transformer cooling device", an insulating oil circulation pipe, which fills the insulating oil inside the transformer and then leads it to the outside, and then forms a closed loop and returns to the transformer; an insulating oil pump, which moves the insulating oil; and an insulating oil cooling system, which cools the insulating oil. The insulating oil cooling system includes: a liquid refrigerant, which maintains a liquid state during the overall refrigeration cycle; a refrigerant circulation pipe, which circulates the liquid refrigerant; a refrigeration pump, which moves the liquid refrigerant; and a heat exchange part, which exchanges heat between the refrigerant and the insulating oil to cool the insulating oil. The heat exchange part includes a multi-layer channel part, which makes the insulating oil flow in multiple layers to form multiple layers; an inlet part, which is arranged upstream of the multi-layer channel part; and an outlet part, which is arranged downstream of the multi-layer channel part; and a refrigerant shell part, which is formed around the multi-layer channel part and makes the refrigerant flow around the multi-layer channel part; However, the above device has the following problems: the transformer cooling device has no fire protection function. When the transformer short-circuit catches fire, the fire often spreads quickly, which can easily cause serious fire accidents. Therefore, we proposed a transformer fire protection efficiency testing equipment to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a transformer fire prevention efficiency testing device to solve the problem that the transformer cooling device proposed in the above background technology has no fire prevention function, and when the transformer short-circuit catches fire, the fire often spreads quickly and easily causes a serious fire accident.

[0005] To achieve the above object, the present invention provides the following technical solution: a transformer fire prevention efficiency test device, comprising a base and a transformer, wherein the upper end of the base is connected to the transformer, two groups of support columns are fixedly connected to the two sides of the base, a fire prevention component is arranged on the top of the support column, and a heat dissipation component is arranged on the outer side of the transformer; The fire protection assembly includes a fixed plate, a smoke alarm, a first nozzle, a storage tank, a fixed pipe and a second nozzle. The upper end of the support column is installed with a fixed plate, the bottom of the fixed plate is installed with a smoke alarm, the center of the bottom of the fixed plate is installed with a first nozzle, the center of the upper end of the fixed plate is installed with a storage tank, the inner side of the support column is connected with a fixed pipe, and the inner side of the fixed pipe is equidistantly connected with a second nozzle.

[0006] Preferably, a water tank is installed at the upper end of the fixed plate located at the rear side of the storage tank, a first solenoid valve is fixedly installed at the lower end of the water tank, a first connecting pipe is fixedly connected to the lower end of the first solenoid valve, four groups of second connecting pipes are installed in the first connecting pipe, heat sinks are fixedly connected at equal intervals around the transformer, third connecting pipes are staggered between the heat sinks, the upper ends of the four groups of third connecting pipes are respectively connected to the four groups of second connecting pipes, and the lower end of the third connecting pipe is fixedly connected to the second solenoid valve.

[0007] Preferably, the upper end of the first nozzle is connected to the storage tank, the two groups of fixed pipes are connected to the storage tank, and the second nozzle is located on the left and right sides of the transformer.

[0008] Preferably, a disassembly component is provided in the base, and the disassembly component includes a bottom plate, a fixed groove, a card block, a card groove, a pull block and a compression spring. The bottom of the transformer is fixedly connected to the bottom plate, a fixed groove is provided in the base, two groups of card blocks are movably connected to the front and rear sides of the fixed groove, card grooves are provided on the front and rear sides of the bottom plate, the outer side of the card block is fixedly connected to the fixed groove, and two groups of compression springs are provided on both sides of the outer end of the card block, and the two ends of the compression spring are respectively against the card block and the inner wall of the fixed groove.

[0009] Preferably, six groups of fan assemblies are fixedly mounted on the surface of the fixing plate, and the six groups of fan assemblies are located directly above the third connecting pipe.

[0010] Preferably, a temperature sensor is fixedly mounted on the top of the transformer, and the temperature sensor is electrically connected to the fan assembly and the first solenoid valve.

[0011] Preferably, a collecting trough is fixedly connected to the top of the water storage tank, and guide blocks are arranged around the collecting trough.

[0012] Preferably, the inner side of the clamping block is arc-shaped, and the diameter of the clamping slot is adapted to the clamping block.

[0013] Preferably, the pull block is spherical, a rubber pad is provided on the surface of the pull block, and a wavy anti-slip pattern with a depth of two millimeters is provided on the surface of the rubber pad.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention sets a fireproof component; when the smoke alarm detects a fire in the transformer, nitrogen dioxide is sprayed through the first nozzle connected to the storage tank. At the same time, the second nozzles on both sides spray nitrogen dioxide on both sides of the transformer, so that the fire is suppressed and the rescue time is extended, thereby avoiding major fires and improving the safety of the transformer.

[0015] 2. The present invention detects the temperature is higher than the limit value through the setting of the heat dissipation component through the temperature sensor, and then starts the first solenoid valve to pass the water source in the water tank through the first connecting pipe, the second connecting pipe and the third connecting pipe to cool the surrounding surfaces of the transformer. At the same time, the fan component is started to accelerate the exchange of airflow on the heat sink, and the air passes through the transformer and the heat sink surface through the third connecting pipe to absorb the generated heat and discharge it from the second solenoid valve. This structure accelerates the exchange of airflow and the dissipation of heat by liquid water, thereby improving the heat exchange effect of the equipment.

[0016] 3. The present invention sets a disassembly component. When disassembling the transformer, the power supply of the transformer is cut off, the two pulling blocks are held and pulled outward, the card block is displaced under the action of the pulling block, the compression spring is deformed by force to generate elastic force, the damaged transformer is removed and replaced with a new one, which is convenient for disassembly and installation of the transformer, facilitates the normal use of the equipment, and effectively improves the service life of the supporting equipment. The bottom plate is inserted into the fixed groove, the pulling block is released, the compression spring loses its restraint and pushes the card block to reset, the card block is inserted in the card groove to press the fixed block tightly, so as to prevent the equipment from loosening during use. The application of this device effectively improves the stability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic front view of the structure of the present invention; Figure 2 It is a structural schematic diagram of the fireproof component of the present invention; Figure 3 It is a structural schematic diagram of the heat dissipation component of the present invention; Figure 4 It is a schematic side view of the structure of the present invention; Figure 5 It is a schematic diagram of the structure of the disassembly component of the present invention.

[0019] In the figure: 1. base; 2. transformer; 3. support column; 4. fireproof component; 41. fixing plate; 42. smoke alarm; 43. first nozzle; 44. storage tank; 45. fixing pipe; 46. second nozzle; 5. heat dissipation component; 51. water storage tank; 52. first solenoid valve; 53. first connecting pipe; 54. second connecting pipe; 55. heat sink; 56. third connecting pipe; 57. second solenoid valve; 6. temperature sensor; 7. fan component; 8. collecting tank; 9. disassembly component; 91. bottom plate; 92. fixing slot; 93. block; 94. slot; 95. pull block; 96. compression spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-5 , an embodiment provided by the present invention: a transformer fire prevention efficiency test device, comprising a base 1 and a transformer 2, the upper end of the base 1 is connected to the transformer 2, two groups of support columns 3 are fixedly connected to both sides of the base 1, a fire prevention component 4 is arranged on the top of the support column 3, and a heat dissipation component 5 is arranged on the outer side of the transformer 2; The fire protection assembly 4 includes a fixing plate 41, a smoke alarm 42, a first nozzle 43, a storage tank 44, a fixing pipe 45 and a second nozzle 46. The fixing plate 41 is installed on the upper end of the support column 3, the smoke alarm 42 is installed on the bottom of the fixing plate 41, the first nozzle 43 is installed at the center of the bottom of the fixing plate 41, the storage tank 44 is installed at the center of the upper end of the fixing plate 41, the inner side of the support column 3 is connected to the fixing pipe 45, and the inner side of the fixing pipe 45 is equidistantly connected to the second nozzle 46; The device solves the problem that the transformer cooling device has no fire protection function and the fire spreads quickly and easily causes serious fire accidents when the transformer short-circuit catches fire by arranging the fire protection component 4 and the heat dissipation component 5.

[0022] Furthermore, a water tank 51 is installed at the upper end of the fixing plate 41 at the rear side of the storage tank 44, a first solenoid valve 52 is fixedly installed at the lower end of the water tank 51, a first connecting pipe 53 is fixedly connected to the lower end of the first solenoid valve 52, four groups of second connecting pipes 54 are installed in the first connecting pipe 53, heat sinks 55 are fixedly connected to the four sides of the transformer 2 at equal intervals, third connecting pipes 56 are staggeredly connected between the heat sinks 55, the upper ends of the four groups of third connecting pipes 56 are respectively connected to the four groups of second connecting pipes 54, and the lower ends of the third connecting pipes 56 are fixedly connected to the second solenoid valve 57. Figure 3 As shown, the structure is used to start the first solenoid valve 52 to allow the water in the water tank 51 to flow into the first connecting pipe 53, and then flow into the four groups of second connecting pipes 54 respectively, and then flow into the surrounding third connecting pipes 56 in sequence to absorb the heat at the transformer 2 and the heat sink 55, and then start the second solenoid valve 57 to discharge the water in the third connecting pipe 56 to improve the heat exchange effect.

[0023] Furthermore, the smoke alarm 42 is electrically connected to the first nozzle 43 and the second nozzle 46, the upper end of the first nozzle 43 is connected to the storage tank 44, the two sets of fixed pipes 45 are connected to the storage tank 44, the second nozzle 46 is located on the left and right sides of the transformer 2, and the spraying diameter of the second nozzle 46 is consistent with the diameter of the transformer 2. Figure 2 As shown, the structure is used to start the first nozzle 43 and the second nozzle 46 when a fire is detected by the smoke alarm 42, and the nitrogen dioxide in the storage tank 44 is sprayed out through the first nozzle 43 and the second nozzle 46 to extinguish the transformer 2.

[0024] Furthermore, a disassembly assembly 9 is provided in the base 1, and the disassembly assembly 9 includes a bottom plate 91, a fixing groove 92, a clamping block 93, a clamping groove 94, a pull block 95 and a compression spring 96. The bottom of the transformer 2 is fixedly connected with the bottom plate 91, a fixing groove 92 is provided in the base 1, and two groups of clamping blocks 93 are movably connected at the front and rear sides of the fixing groove 92. A clamping groove 94 is provided at the front and rear sides of the bottom plate 91, and the outer side of the clamping block 93 is fixedly connected with the fixing groove 92. Two groups of compression springs 96 are provided at both sides of the outer end of the clamping block 93, and the two ends of the compression spring 96 are respectively against the inner wall of the clamping block 93 and the fixing groove 92. Figure 5As shown, this structure is used to pass through the card block 93. When the transformer 2 is damaged and needs to be disassembled, the power supply at the transformer 2 is cut off, and the pull blocks 95 on the front and rear sides are pulled to drive the card block 93 to move outward along the fixed groove 92, so that the card block 93 is separated from the card slot 94. During the movement, the compression spring 96 is squeezed to deform the compression spring 96, and the transformer 2 drives the bottom plate 91 to move upward. Then, the new transformer 2 and the bottom plate 91 are inserted into the fixed groove 92. During the insertion, the inner side of the card block 93 is arc-shaped. When the bottom plate 91 moves downward, the card blocks 93 on both sides are pushed to move the card blocks 93 outward. When the bottom plate 91 is completely inserted into the fixed groove 92, under the rebound action of the compression spring 96, the card block 93 is inserted into the card slot 94 to limit the bottom plate 91.

[0025] Furthermore, six sets of fan assemblies 7 are fixedly mounted on the surface of the fixing plate 41, and the six sets of fan assemblies 7 are located directly above the third connecting pipe 56. Figure 4 As shown, the structure is used to dissipate heat from the transformer 2 and the heat sink 55 through the fan assembly 7. The heat sink 55 is rectangular and the third connecting pipe 56 is circular, with a certain gap between the two, so that the generated heat can be discharged and the exchange of airflow can be accelerated.

[0026] Furthermore, a temperature sensor 6 is fixedly installed on the top of the transformer 2, and the temperature sensor 6 is electrically connected to the fan assembly 7 and the first solenoid valve 52. Figure 4 As shown, the structure is used to control the fan assembly 7 and the first solenoid valve 52 through the temperature sensor 6.

[0027] Furthermore, the top of the water storage tank 51 is fixedly connected to a collecting tank 8, and guide blocks are arranged around the collecting tank 8, and the guide blocks are inclined toward the collecting tank 8. Figure 4 As shown, the structure is used to collect rainwater through the collection trough 8 and the guide block, and store it in the water tank 51.

[0028] Furthermore, the inner side of the block 93 is arc-shaped, and the diameter of the slot 94 is adapted to the block 93. Figure 5 As shown, when the structure is used to be inserted through the bottom plate 91 , the inner side of the clamping block 93 is arc-shaped. When the bottom plate 91 moves downward, the clamping blocks 93 on both sides are pushed to facilitate the insertion of the bottom plate 91 into the fixing groove 92 .

[0029] Furthermore, the pull block 95 is spherical, and a rubber pad is provided on the surface of the pull block 95, and a wavy anti-slip pattern with a depth of two millimeters is provided on the surface of the rubber pad. Figure 5 As shown, the structure is used to provide cushioning and anti-skid properties through rubber, and its anti-skid pattern can enhance its anti-skid effect. Moreover, the depth of two millimeters can be used to ensure that the anti-skid pattern still has an anti-skid effect after a certain degree of wear. The pull block 95 is convenient for the user to hold and avoid slipping out of the hand.

[0030] Working principle: When used, Figure 1 and Figure 2 As shown, when the smoke alarm 42 detects a fire, the first nozzle 43 and the second nozzle 46 are activated to spray the nitrogen dioxide in the storage tank 44 through the first nozzle 43 and the second nozzle 46 to extinguish the transformer 2. Figure 3 and Figure 4 As shown, the temperature sensor 6 detects that the temperature is higher than the limit value, and then starts the first electromagnetic valve 52 to flow the water in the water tank 51 into the first connecting pipe 53, and then flows into the four groups of second connecting pipes 54, and then flows into the surrounding third connecting pipes 56 in sequence to absorb the heat of the transformer 2 and the heat sink 55, and then starts the second electromagnetic valve 57 to discharge the water in the third connecting pipe 56, and at the same time starts the fan assembly 7 to dissipate the heat of the transformer 2 and the heat sink 55, discharge the generated heat, and accelerate the exchange of airflow, as shown in FIG. Figure 5 As shown, when the transformer 2 is damaged and needs to be disassembled, the power supply at the transformer 2 is cut off, and the pull blocks 95 on the front and rear sides are pulled to drive the card block 93 to move outward along the fixed groove 92, so that the card block 93 is out of the card slot 94, and the compression spring 96 is squeezed during movement to deform the compression spring 96, so that the transformer 2 drives the bottom plate 91 to move upward, and then the new transformer 2 and the bottom plate 91 are inserted into the fixed groove 92, and the inner side of the card block 93 is arc-shaped during insertion. When the bottom plate 91 moves downward, the card blocks 93 on both sides are pushed to move the card blocks 93 outward. When the bottom plate 91 is completely inserted into the fixed groove 92, under the rebound action of the compression spring 96, the card block 93 is inserted into the card slot 94 to limit the bottom plate 91. The above is the entire working principle of the present invention.

[0031] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A transformer fire protection efficiency testing device, comprising a base (1) and a transformer (2), characterized in that: The upper end of the base (1) is connected to a transformer (2), two groups of support columns (3) are fixedly connected to both sides of the base (1), a fireproof component (4) is arranged on the top of the support column (3), and a heat dissipation component (5) is arranged on the outer side of the transformer (2); The fire protection assembly (4) comprises a fixing plate (41), a smoke alarm (42), a first nozzle (43), a storage tank (44), a fixing pipe (45) and a second nozzle (46); the fixing plate (41) is mounted on the upper end of the support column (3); the smoke alarm (42) is mounted on the bottom of the fixing plate (41); the first nozzle (43) is mounted at the center of the bottom of the fixing plate (41); the storage tank (44) is mounted at the center of the upper end of the fixing plate (41); the inner side of the support column (3) is connected to the fixing pipe (45); and the inner side of the fixing pipe (45) is equidistantly connected to the second nozzle (46).

2. The transformer fire protection efficiency testing device according to claim 1, characterized in that: The upper end of the fixing plate (41) is located at the rear side of the storage tank (44) and is provided with a water tank (51); the lower end of the water tank (51) is fixedly provided with a first solenoid valve (52); the lower end of the first solenoid valve (52) is fixedly connected with a first connecting pipe (53); four groups of second connecting pipes (54) are installed in the first connecting pipe (53); heat sinks (55) are fixedly connected at equal intervals around the transformer (2); third connecting pipes (56) are staggeredly connected between the heat sinks (55); the upper ends of the four groups of third connecting pipes (56) are respectively connected to the four groups of second connecting pipes (54); and the lower ends of the third connecting pipes (56) are fixedly connected with a second solenoid valve (57).

3. The transformer fire protection efficiency testing device according to claim 1, characterized in that: The upper end of the first nozzle (43) is connected to the storage tank (44), the two groups of fixed pipes (45) are connected to the storage tank (44), and the second nozzle (46) is located on the left and right sides of the transformer (2).

4. The transformer fire protection efficiency testing device according to claim 1, characterized in that: A disassembly component (9) is arranged in the base (1), and the disassembly component (9) comprises a bottom plate (91), a fixing groove (92), a clamping block (93), a clamping groove (94), a pull block (95) and a compression spring (96); the bottom of the transformer (2) is fixedly connected to the bottom plate (91); the base (1) is provided with a fixing groove (92); two groups of clamping blocks (93) are movably connected at the front and rear sides of the fixing groove (92); the bottom plate (91) is provided with a clamping groove (94) at the front and rear sides; the outer side of the clamping block (93) is fixedly connected to the fixing groove (92); two groups of compression springs (96) are arranged at both sides of the outer end of the clamping block (93); the two ends of the compression spring (96) respectively abut against the inner wall of the clamping block (93) and the fixing groove (92).

5. The transformer fire protection efficiency testing device according to claim 1, characterized in that: Six groups of fan assemblies (7) are fixedly mounted on the surface of the fixing plate (41), and the six groups of fan assemblies (7) are located directly above the third connecting pipe (56).

6. The transformer fire protection efficiency testing device according to claim 1, characterized in that: A temperature sensor (6) is fixedly mounted on the top of the transformer (2); the temperature sensor (6) is electrically connected to the fan assembly (7) and the first solenoid valve (52).

7. The transformer fire protection efficiency testing device according to claim 2, characterized in that: The top of the water storage tank (51) is fixedly connected to a collecting trough (8), and guide blocks are arranged around the collecting trough (8).

8. The transformer fire protection efficiency testing device according to claim 4, characterized in that: The inner side of the clamping block (93) is arc-shaped, and the diameter of the clamping groove (94) is adapted to the clamping block (93).

9. The transformer fire protection efficiency testing device according to claim 4, characterized in that: The pull block (95) is spherical, a rubber pad is provided on the surface of the pull block (95), and a wave-shaped anti-skid pattern with a depth of two millimeters is provided on the surface of the rubber pad.

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