Prefabricated box-type transformer

By installing cooling fans and fire extinguishing systems on the prefabricated transformer cabinet, the problems of poor heat dissipation and inability to extinguish fires in a timely manner were solved, achieving efficient heat dissipation and fire extinguishing, and preventing equipment damage and further losses.

CN223680594UActive Publication Date: 2025-12-16SHANDONG OUCHUANG ELECTRIC CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423086159.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-12-16
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing prefabricated transformers have poor heat dissipation and cannot extinguish fires in time if a fire breaks out inside the cabinet, leading to greater losses.

Method used

A cooling fan and a fire extinguishing agent storage compartment are installed on the transformer cabinet. They are connected to the nozzles through a connecting pipe. The direction of the nozzles is adjusted by an electric push rod and a gear system. Combined with a carbon tetrachloride fire extinguisher, efficient heat dissipation and fire extinguishing are achieved.

Benefits of technology

It improves heat dissipation, enabling timely and efficient extinguishing of fires inside the cabinet and preventing further damage.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223680594U_ABST
    Figure CN223680594U_ABST
Patent Text Reader

Abstract

The utility model discloses a preassembled box-type transformer, and relates to the technical field of transformers. The fire extinguishing device comprises a cabinet body, a cabinet door is hinged to the side wall of the cabinet body, a fire extinguishing agent storage bin is fixedly connected to the upper portion of the outer side wall of the cabinet door, a communicating pipe is fixedly connected to the output end of the fire extinguishing agent storage bin, a shell is fixedly connected to the upper portion of the inner side wall of the cabinet door, and a concave plate is fixedly connected to the inner side wall of the shell. An electric push rod is arranged on one side of the concave plate, a toothed plate is fixedly connected to the output shaft end of the electric push rod, a gear is arranged on the side wall of the toothed plate in a meshed mode, a rotating shaft is fixedly connected to the middle of the bottom face of the gear in a penetrating mode, a connecting rod is fixedly connected to the bottom end of the rotating shaft, a cavity is fixedly connected to the rod end of the connecting rod, and a spray head is fixedly connected to the output end of the cavity. According to the utility model, the heat dissipation effect is good, the overheat condition is effectively avoided, and when a fire occurs in the cabinet body, the fire can be extinguished timely and efficiently, and the expansion of loss is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field, concretely is a kind of prepackaged box-type transformer. BACKGROUND

[0002] Box-type substation is also called prepackaged substation or prepackaged substation, it is a kind of high-voltage switchgear, distribution transformer and low-voltage distribution device, prepackaged transformer is internally installed with multiple heat-generating electronic components, so it is very necessary to dissipate heat, and the current heat dissipation mode is mainly through the heat dissipation port arranged on both sides of cabinet to dissipate heat, and the heat dissipation effect is poor, and when fire occurs in the cabinet, the existing box-type substation does not set up fire extinguishing device, once fire occurs in the cabinet, it cannot be extinguished in time, so as to cause loss to expand, to solve the above problems, the inventor proposes a kind of prepackaged box-type transformer to solve the above problems. CONTENT OF UTILITY MODEL

[0003] To solve the problem of poor heat dissipation effect of the existing prepackaged transformer, and once fire occurs in the cabinet, it cannot be extinguished in time, so as to cause loss to expand, the purpose of the utility model is to provide a kind of prepackaged box-type transformer.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of prepackaged box-type transformer, including cabinet, the side wall of the cabinet is hingedly arranged with cabinet door, the upper portion of the side wall of the cabinet is provided with heat dissipation port, the inside of the heat dissipation port is provided with first heat dissipation fan, the outside wall of the cabinet door is fixedly connected with fire extinguishing agent storage bin on the upper portion, the output end of fire extinguishing agent storage bin is fixedly connected with communication pipe, the inside wall of the cabinet door is fixedly connected with shell on the upper portion, the inside wall of the shell is fixedly connected with concave plate, one side of the concave plate is provided with electric push rod, the output shaft end of the electric push rod is fixedly connected with toothed plate, the side wall of the toothed plate is engaged with gear, the bottom surface middle portion of the gear is fixedly connected with rotating shaft, the bottom end of the rotating shaft is fixedly connected with connecting rod, the rod end of the connecting rod is fixedly connected with cavity, the output end of the cavity is fixedly connected with spray head.

[0005] Preferably, the bottom surface of the cabinet is fixedly connected with base, the inside of the fire extinguishing agent storage bin is provided with carbon tetrachloride fire extinguisher, the communication pipe is hose, the base is used to support the cabinet, the inside of the fire extinguishing agent storage bin is provided with carbon tetrachloride fire extinguisher, carbon tetrachloride fire extinguisher is suitable for extinguishing fire of electrical equipment, when using, open the lid of fire extinguishing agent storage bin, open carbon tetrachloride fire extinguisher, through communication pipe can enter into cavity, and then through spray head can spray into the cabinet of fire, extinguish fire in time, avoid loss to expand, the side wall of the electric push rod is sleeved with fixing frame, the side wall of the fixing frame is fixedly connected with the inner wall of the shell, the electric push rod is installed through the fixing frame.

[0006] Preferably, the two side faces of the toothed plate are fixedly connected with guide plates, the guide plates are located in the concave mouths of the concave plates, and the guide plates are in sliding connection with the concave mouths of the concave plates.

[0007] Preferably, the side wall of the cabinet door is provided with a rectangular slot, the connecting rod is located in the rectangular slot, and the connecting rod is matched with the rectangular slot; when the rotating shaft rotates, the connecting rod can swing in the rectangular slot, so that the cavity rotates to adjust the spraying direction of the spray head.

[0008] Compared with the prior art, the utility model has the advantages that:

[0009] 1. The utility model discloses a cabinet, which has good heat dissipation effect and can effectively avoid overheating.

[0010] 2. When a fire occurs in the cabinet, the spray head can spray fire extinguishing agent in time to extinguish the fire, thereby avoiding the expansion of loss. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the cabinet door opening according to this utility model.

[0014] Figure 3 This is a schematic diagram of the internal structure of the shell of this utility model.

[0015] Figure 4 This is an enlarged view of section A of this utility model.

[0016] In the diagram: 1. Cabinet; 2. Base; 3. Vent; 4. First cooling fan; 5. Cabinet door; 6. Shell; 7. Frame; 8. Second cooling fan; 9. Extinguishing agent storage compartment; 10. Connecting pipe; 11. Electric push rod; 12. Fixing frame; 13. Toothed plate; 14. Guide plate; 15. Concave plate; 16. Gear; 17. Rotating shaft; 18. Connecting rod; 19. Cavity; 20. Nozzle. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example: Figures 1-4 As shown, this utility model provides a prefabricated box-type transformer, including a cabinet 1. A cabinet door 5 is hinged to the side wall of the cabinet 1. A heat dissipation vent 3 is provided on the upper part of the side wall of the cabinet 1. A first heat dissipation fan 4 is provided inside the heat dissipation vent 3. A fire extinguishing agent storage chamber 9 is fixedly connected to the upper part of the outer side wall of the cabinet door 5. A connecting pipe 10 is fixedly connected to the output end of the fire extinguishing agent storage chamber 9. A shell 6 is fixedly connected to the upper part of the inner side wall of the cabinet door 5. A concave plate 15 is fixedly connected to the inner side wall of the shell 6. An electric push rod 11 is provided on one side of the concave plate 15. A toothed plate 13 is fixedly connected to the output shaft end of the electric push rod 11. A gear 16 is meshed on the side wall of the toothed plate 13. A rotating shaft 17 is inserted and fixedly connected to the middle of the bottom surface of the gear 16. A connecting rod 18 is fixedly connected to the bottom end of the rotating shaft 17. A cavity 19 is fixedly connected to the rod end of the connecting rod 18. A nozzle 20 is fixedly connected to the output end of the cavity 19.

[0019] The bottom of the cabinet 1 is fixedly connected to the base 2, and the interior of the fire extinguishing agent storage compartment 9 is equipped with a carbon tetrachloride fire extinguisher. The connecting pipe 10 is a flexible hose.

[0020] The base 2 is used for supporting the cabinet body 1, the inside of the extinguishing agent storage bin 9 is provided with a carbon tetrachloride fire extinguisher, the carbon tetrachloride fire extinguisher is suitable for extinguishing the fire of electrical equipment, when in use, the bin cover of the extinguishing agent storage bin 9 is opened, the carbon tetrachloride fire extinguisher is opened, and the carbon tetrachloride fire extinguisher can enter the cavity 19 through the connecting pipe 10, and then the fire extinguishing agent can be sprayed into the cabinet body 1 through the spray head 20, so that the fire can be extinguished in time, and the loss is avoided.

[0021] The side wall of the electric push rod 11 is sleeved with the fixing frame 12, and the side wall of the fixing frame 12 is fixedly connected with the inner wall of the shell 6.

[0022] Through the above technical scheme, the electric push rod 11 is installed through the fixing frame 12.

[0023] The two side surfaces of the tooth plate 13 are fixedly connected with the guide plates 14, the guide plates 14 are located in the concave mouths of the concave plates 15, and the guide plates 14 are slidably connected with the concave mouths of the concave plates 15.

[0024] Through the above technical scheme, the electric push rod 11 is started, the tooth plate 13 moves under the action of the output shaft of the electric push rod 11, and the tooth plate 13 stably moves through the cooperation of the guide plates 14 and the concave plates 15, and the rotating shaft 17 rotates through the mutual meshing of the tooth plate 13 and the gear 16, the cavity 19 is driven to rotate through the connecting rod 18 by controlling the left and right movement of the tooth plate 13, the spraying direction of the spray head 20 is adjusted, the spraying surface is expanded, and the inside of the cabinet body 1 is extinguished.

[0025] The side wall of the cabinet door 5 is provided with a rectangular slot, the connecting rod 18 is located in the rectangular slot, and the connecting rod 18 cooperates with the rectangular slot.

[0026] Through the above technical scheme, when the rotating shaft 17 rotates, the connecting rod 18 can swing in the rectangular slot, and the cavity 19 rotates to adjust the spraying direction of the spray head 20.

[0027] The inner side wall of the cabinet door 5 is fixedly connected with the frame body 7, and the inside of the frame body 7 is provided with the second heat dissipation fan 8.

[0028] Through the above technical scheme, the second heat dissipation fan 8 and the first heat dissipation fan 4 are started, so that the inside of the cabinet body 1 can be heat-dissipated, and the elements placed in the cabinet body 1 are prevented from being damaged due to overheating.

[0029] The cavity 19 is located on the side of the cabinet door 5 facing the cabinet body 1, the working end of the spray head 20 faces the cabinet opening of the cabinet body 1, the number of the spray heads 20 is several, and the several spray heads 20 are arrayed from top to bottom.

[0030] By adopting the above technical scheme, the several spray heads 20 arranged from top to bottom can improve the spraying surface, so that the fire in the cabinet 1 can be timely and efficiently extinguished, and the loss is avoided from being enlarged.

[0031] Working principle: in use, the first and second heat dissipation fans 4 and 8 are started, so that the air flow rate inside and outside the cabinet 1 can be improved, and the area inside the cabinet 1 is cooled to avoid damage of the components placed in the cabinet 1 due to overheating.

[0032] When the fire occurs in the cabinet 1, the cover of the fire extinguishing agent storage bin 9 is opened, the carbon tetrachloride fire extinguisher is opened, the fire extinguishing agent enters the cavity 19 through the communication pipe 10, and then is sprayed into the fire cabinet 1 through the spray head 20, at the same time, the electric push rod 11 is started, the toothed plate 13 moves under the action of the output shaft of the electric push rod 11, the toothed plate 13 stably moves through the cooperation of the guide plate 14 and the concave plate 15, and the rotating shaft 17 rotates through the meshing of the toothed plate 13 and the gear 16, so that the spraying direction of the spray head 20 is adjusted, the spraying surface is enlarged, and the interior of the cabinet 1 is better extinguished.

[0033] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A prepackaged box transformer comprising a cabinet (1), characterized in that: The side wall of the cabinet body (1) is hingedly provided with a cabinet door (5), the upper portion of the side wall of the cabinet body (1) is provided with a heat dissipation opening (3), the inside of the heat dissipation opening (3) is provided with a first heat dissipation fan (4), the outer side wall of the cabinet door (5) is fixedly connected with a fire extinguishing agent storage bin (9), the output end of the fire extinguishing agent storage bin (9) is fixedly connected with a communication pipe (10), the inner side wall of the cabinet door (5) is fixedly connected with a shell (6), the inner side wall of the shell (6) is fixedly connected with a concave plate (15), one side of the concave plate (15) is provided with an electric push rod (11), the output shaft end of the electric push rod (11) is fixedly connected with a toothed plate (13), the side wall of the toothed plate (13) is engaged with a gear (16), the bottom surface of the gear (16) is fixedly connected with a rotating shaft (17) penetratingly, the bottom end of the rotating shaft (17) is fixedly connected with a connecting rod (18), the rod end of the connecting rod (18) is fixedly connected with a cavity (19), the output end of the cavity (19) is fixedly connected with a spray head (20).

2. A prepackaged box transformer as claimed in claim 1, wherein, The bottom surface of the cabinet body (1) is fixedly connected with a base (2), the inside of the fire extinguishing agent storage bin (9) is provided with a carbon tetrachloride fire extinguisher, and the communication pipe (10) is a hose.

3. A prepackaged box transformer as defined in claim 1, wherein, The side wall of the electric push rod (11) is sleeved with a fixing frame (12), and the side wall of the fixing frame (12) is fixedly connected with the inner wall of the shell (6).

4. A prepackaged box transformer as defined in claim 1, wherein, Both sides of the toothed plate (13) are fixedly connected with guide plates (14), the guide plates (14) are located in the concave opening of the concave plate (15), and the guide plates (14) are slidingly connected with the concave opening of the concave plate (15).

5. A prepackaged box transformer as defined in claim 1, wherein, The side wall of the cabinet door (5) is provided with a rectangular slot, the connecting rod (18) is located in the rectangular slot, and the connecting rod (18) cooperates with the rectangular slot.

6. A prepackaged box transformer as defined in claim 1, wherein, The cavity (19) is located on the side of the cabinet door (5) facing the cabinet body (1), and the working end of the spray head (20) faces the cabinet opening of the cabinet body (1).

7. A prepackaged box transformer as defined in claim 1, wherein, The inner side wall of the cabinet door (5) is fixedly connected with a frame body (7), and the inside of the frame body (7) is provided with a second heat dissipation fan (8).

8. A prepackaged box transformer as defined in claim 1, wherein, The number of the spray heads (20) is several, and the several spray heads (20) are arrayed from top to bottom.