Fire-proof electric energy meter capable of rapidly dissipating heat

Abstract

The utility model discloses a quick heat dissipation fire prevention electric energy meter, which relates to the technical field of electric energy meters, and comprises an outer shell, the lower end of the outer shell is provided with a wiring bin, and the front side of the wiring bin is detachably provided with a bin cover. According to the fire-proof electric energy meter with the rapid heat dissipation function, the fan is driven to rotate through the motor, external air enters the wiring bin through the ventilation opening after being filtered by the filter screen, heat in the wiring bin is driven to be discharged from the heat dissipation opening, continuous heat dissipation of the wiring terminal is achieved, the cleaning brush is driven to rotate through the fan, and the cleaning brush continuously cleans the surface of the filter screen; when a fire breaks out, an electric telescopic rod is controlled to drive an inserting plate to descend, be inserted into a sealing frame and be tightly attached to a sealing gasket, sealing of a wiring bin is achieved, meanwhile, fire spreading is effectively restrained by means of the fireproof and flame-retardant performance of PPS materials of structures such as an outer shell and the like in cooperation with fireproof coating on the inner side of the wiring bin, and the service life of the wiring bin is prolonged. And the overall safety performance of the electric energy meter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric energy meters, in particular to a fast-cooling fire-proof electric energy meter. Background Technique

[0002] An electric energy meter is an instrument used to measure electric energy, also known as a watt-hour meter, a fire meter, or a kilowatt-hour meter, which refers to an instrument for measuring various electrical quantities. When the electrical load is large, a large amount of heat will be generated at the wiring terminals of the electric energy meter, causing the temperature of the wiring terminals to continue to rise, which is related to the heat dissipation of the electric energy meter.

[0003] For example, patent number CN220855005U discloses a three-phase electric energy meter, belonging to the technical field of electric energy meters. Among them, it includes a protective shell. Inside the protective shell, there are a relay, a transformer, and a neutral wire terminal. The bottom of the protective shell is sleeved with a connecting line. Inside the protective shell, there is a first threaded hole, and a first bolt is threadedly connected to the first threaded hole. One end of the first bolt is lapped on one side of the connecting line. The beneficial effects are that, for this three-phase electric energy meter, by setting a chute and a slider, it is convenient to adjust the position of the first baffle, which is convenient for protecting the inside of the protective shell. At the same time, by setting the first baffle to be horizontally pulled from the side, the aesthetic appearance of the structure can be guaranteed. By driving the motor to work, the fan blades can be driven to rotate, and the external air can be filtered through the filter screen and then pumped into the protective shell, which can dissipate heat from the inside of the protective shell. By setting a display, the device data can be understood.

[0004] The existing electric energy meters have poor heat dissipation functions for the wiring parts, resulting in too high temperatures at the wiring terminals when the current is large, affecting the service life of the electric energy meters and easily causing unnecessary losses. At the same time, their overall fire-proof performance is poor, posing certain potential safety hazards. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a fast-cooling fire-proof electric energy meter, which solves the problems that the existing electric energy meters have poor heat dissipation functions for the wiring parts, resulting in too high temperatures at the wiring terminals when the current is large, affecting the service life of the electric energy meters and easily causing unnecessary losses, and at the same time, their overall fire-proof performance is poor, posing certain potential safety hazards.

[0006] To achieve the above objectives, the utility model is realized through the following technical solutions: A fire-proof electric energy meter with fast heat dissipation, including an outer casing, a wiring compartment is arranged at the lower end of the outer casing, a compartment cover is detachably installed on the front side of the wiring compartment, a heat dissipation opening is arranged on the left side of the wiring compartment, a ventilation opening is arranged on the right side of the wiring compartment, a fan is arranged inside the ventilation opening, a motor is arranged on the left side of the fan, a filter screen is arranged on the right side of the fan, a cleaning brush is arranged on the right side of the filter screen, a smoke sensor is fixedly installed inside the wiring compartment, an alarm is fixedly installed at the upper end of the outer casing, sealing frames are arranged on the left and right sides of the outer casing, a plug board is arranged at the upper end of the sealing frame, and an electric telescopic rod is arranged at the upper end of the plug board.

[0007] Preferably, a dust-proof net is fixedly installed inside the heat dissipation opening, the ventilation opening is designed in a circular structure, and two ventilation openings are arranged side by side up and down. The fan and the inside of the ventilation opening are mutually adapted, which is convenient for the heat dissipation of the wiring compartment.

[0008] Preferably, the motor and the left end of the ventilation opening are fixedly connected through a support frame. The output end of the motor extends to the right end of the support frame and is fixedly connected to the fan, which is convenient for controlling the rotation of the fan to drive air into the wiring compartment.

[0009] Preferably, the filter screen is fixedly connected to the right end of the ventilation opening, the cleaning brush is mutually adapted to the surface of the filter screen, the left side of the cleaning brush is rotationally connected to the surface of the filter screen through a rotating shaft and extends to the left side of the filter screen and is fixedly connected to the fan, which is convenient for cleaning the filter screen and preventing it from being blocked and affecting heat dissipation.

[0010] Preferably, two sealing frames are arranged symmetrically left and right and are fixedly connected to the outer side of the outer casing. The sealing frames are respectively mutually adapted to the heat dissipation opening and the ventilation opening, and a sealing gasket is arranged inside the sealing frames, which is convenient for blocking the heat dissipation opening and the ventilation opening.

[0011] Preferably, a through groove is arranged at the upper end of the sealing frame. The plug board is slidably connected to the inside of the through groove and is mutually adapted to the inside of the sealing frame. The upper end of the plug board is fixedly connected to the lower end of the electric telescopic rod, and the upper end of the electric telescopic rod is fixedly connected to the surface of the outer casing through a connecting plate, which is convenient for controlling the lifting of the plug board.

[0012] Preferably, the outer casing, the compartment cover, the sealing frame, and the plug board are all made of PPS material. The inside of the wiring compartment and the compartment cover are both sprayed with fire-proof paint. An observation window is arranged on the surface of the compartment cover, and the observation window is made of fire-proof glass material to achieve the overall fire-proof and flame-retardant of the electric energy meter.

[0013] Beneficial effects

[0014] The utility model provides a fire-proof electric energy meter with fast heat dissipation. Compared with the prior art, it has the following

[0015] Beneficial effects:

[0016] 1. For the fast heat-dissipating and fire-preventing electric energy meter, by setting a wiring compartment, heat dissipation openings, ventilation openings, fans, motors, filters, and cleaning brushes, the motor drives the fans to rotate, enabling external air to enter the wiring compartment through the ventilation openings after being filtered by the filters, driving the heat in the wiring compartment to be discharged from the heat dissipation openings, achieving continuous heat dissipation for the wiring terminals. The fans drive the cleaning brushes to rotate, enabling the cleaning brushes to continuously clean the surface of the filters, effectively preventing the filters from being blocked and affecting heat dissipation.

[0017] 2. For the fast heat-dissipating and fire-preventing electric energy meter, by setting a housing, a wiring compartment, a sealing frame, an insertion plate, and electric telescopic rods, when a fire occurs, the electric telescopic rods are controlled to drive the insertion plate to descend and insert into the sealing frame, closely fitting with the sealing gasket, achieving the sealing of the wiring compartment. At the same time, by utilizing the fireproof and flame-retardant properties of the PPS material of structures such as the housing, and cooperating with the fireproof coating on the inner side of the wiring compartment, the spread of fire is effectively inhibited, improving the overall safety performance of the electric energy meter. Description of the drawings

[0018] Figure 1 is a schematic three-dimensional structure of the present utility model Figure 1 ;

[0019] Figure 2 is a schematic three-dimensional structure of the present utility model Figure 2 ;

[0020] Figure 3 is a schematic three-dimensional structure of the present utility model Figure 3 ;

[0021] Figure 4 is of the present utility model Figure 3 Schematic enlarged structure diagram at A.

[0022] In the figure: 1. Housing; 2. Wiring compartment; 3. Compartment cover; 31. Observation window; 4. Heat dissipation opening; 41. Dust-proof net; 5. Ventilation opening; 6. Fan; 7. Motor; 71. Support frame; 8. Filter; 9. Cleaning brush; 10. Smoke sensor; 11. Alarm; 12. Sealing frame; 13. Insertion plate; 14. Electric telescopic rod. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4 , the present utility model provides a technical solution: a fire - proof electric energy meter with rapid heat dissipation, which includes a housing 1. A wiring bin 2 is arranged at the lower end of the housing 1. A bin cover 3 is detachably installed on the front side of the wiring bin 2. A heat dissipation port 4 is opened on the left side of the wiring bin 2, and a ventilation port 5 is opened on the right side of the wiring bin 2. A fan 6 is arranged inside the ventilation port 5. A dust - proof net 41 is fixedly installed inside the heat dissipation port 4. The ventilation port 5 is designed in a circular structure and two ventilation ports 5 are arranged side by side vertically. The fan 6 and the inside of the ventilation port 5 are mutually adapted. A motor 7 is arranged on the left side of the fan 6. The motor 7 and the left end of the ventilation port 5 are fixedly connected through a support frame 71. The output end of the motor 7 extends to the right end of the support frame 71 and is fixedly connected to the fan 6. A filter screen 8 is arranged on the right side of the fan 6. By driving the fan 6 to rotate through the motor 7, the outside air passes through the filter screen 8 and enters the wiring bin 2 through the ventilation port 5, driving the heat in the wiring bin 2 to be discharged from the heat dissipation port 4, so as to realize continuous heat dissipation of the wiring terminal;

[0025] A cleaning brush 9 is arranged on the right side of the filter screen 8. The filter screen 8 is fixedly connected to the right end of the ventilation port 5. The cleaning brush 9 and the surface of the filter screen 8 are mutually adapted. The left side of the cleaning brush 9 is rotatably connected to the surface of the filter screen 8 through a rotating shaft and extends to the left side of the filter screen 8 and is fixedly connected to the fan 6. By driving the cleaning brush 9 to rotate through the fan 6, the cleaning brush 9 continuously sweeps the surface of the filter screen 8, effectively avoiding the blockage of the filter screen 8 from affecting heat dissipation;

[0026] A smoke sensor 10 is fixedly installed inside the wiring compartment 2, an alarm 11 is fixedly installed at the upper end of the outer housing 1, sealing frames 12 are arranged on the left and right sides of the outer housing 1, there are two sealing frames 12 arranged symmetrically left and right, and they are fixedly connected to the outside of the outer housing 1. The sealing frames 12 are respectively adapted to the heat dissipation openings 4 and the ventilation openings 5. A sealing gasket is arranged inside the sealing frames 12. An insertion plate 13 is arranged at the upper end of the sealing frame 12, and an electric telescopic rod 14 is arranged at the upper end of the insertion plate 13. A through groove is formed at the upper end of the sealing frame 12. The insertion plate 13 is slidably connected to the inside of the through groove and is adapted to the inside of the sealing frame 12. The upper end of the insertion plate 13 is fixedly connected to the lower end of the electric telescopic rod 14, and the upper end of the electric telescopic rod 14 is fixedly connected to the surface of the outer housing 1 through a connecting plate. The outer housing 1, the storage cover 3, the sealing frames 12, and the insertion plates 13 are all made of PPS material. Fireproof coatings are sprayed on the inside of the wiring compartment 2 and the storage cover 3. An observation window 31 is arranged on the surface of the storage cover 3, and the observation window 31 is made of fireproof glass material. The wiring compartment 2 is monitored by the smoke sensor 10. When it is detected that a fire breaks out in the wiring compartment 2, the alarm 11 is controlled to give out an audible and visual alarm, and at the same time, the motor 7 is shut down. By controlling the electric telescopic rod 14, the insertion plate 13 is driven to descend and inserted into the sealing frame 12, and is closely attached to the sealing gasket, so as to realize the sealing of the wiring compartment 2. At the same time, by using the fireproof and flame-retardant properties of the PPS material of the outer housing 1 and other structures, and cooperating with the fireproof coating inside the wiring compartment 2, the spread of the fire is effectively inhibited.

[0027] During use, the motor 7 drives the fan 6 to rotate, so that the outside air enters the wiring compartment 2 through the ventilation opening 5 after being filtered by the filter screen 8, and drives the heat in the wiring compartment 2 to be discharged from the heat dissipation opening 4, realizing continuous heat dissipation of the connection terminals. The fan 6 drives the cleaning brush 9 to rotate, so that the cleaning brush 9 continuously sweeps the surface of the filter screen 8, effectively avoiding the blockage of the filter screen 8 from affecting heat dissipation. The wiring compartment 2 is monitored by the smoke sensor 10. When it is detected that a fire breaks out in the wiring compartment 2, the alarm 11 is controlled to give out an audible and visual alarm, and at the same time, the motor 7 is shut down. By controlling the electric telescopic rod 14, the insertion plate 13 is driven to descend and inserted into the sealing frame 12, and is closely attached to the sealing gasket, so as to realize the sealing of the wiring compartment 2. At the same time, by using the fireproof and flame-retardant properties of the PPS material of the outer housing 1 and other structures, and cooperating with the fireproof coating inside the wiring compartment 2, the spread of the fire is effectively inhibited, improving the overall safety performance of the electric energy meter.

[0028] At the same time, the content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire-proof electricity meter with fast heat dissipation, comprising a housing (1), characterized in that: A wiring chamber (2) is provided at the lower end of the outer housing (1). A chamber cover (3) is detachably installed on the front side of the wiring chamber (2). A heat dissipation opening (4) is formed on the left side of the wiring chamber (2), and a ventilation opening (5) is formed on the right side of the wiring chamber (2). A fan (6) is arranged inside the ventilation opening (5). A motor (7) is arranged on the left side of the fan (6), and a filter screen (8) is arranged on the right side of the fan (6). A cleaning brush (9) is arranged on the right side of the filter screen (8). A smoke sensor (10) is fixedly installed inside the wiring chamber (2). An alarm (11) is fixedly installed at the upper end of the outer housing (1). Sealing frames (12) are arranged on the left and right sides of the outer housing (1). An insertion plate (13) is arranged at the upper end of the sealing frame (12), and an electric telescopic rod (14) is arranged at the upper end of the insertion plate (13).

2. The fast heat-dissipating fire-preventing electric energy meter according to claim 1, wherein: A dust-proof net (41) is fixedly installed inside the heat dissipation opening (4). The ventilation opening (5) is designed in a circular structure, and two ventilation openings (5) are arranged side by side vertically. The fan (6) and the inside of the ventilation opening (5) are mutually adapted.

3. The fast heat-dissipating fire-preventing electric energy meter according to claim 1, characterized in that: The motor (7) and the left end of the ventilation opening (5) are fixedly connected through a support frame (71). The output end of the motor (7) extends to the right end of the support frame (71) and is fixedly connected to the fan (6).

4. The fast heat-dissipating and fire-preventing electric energy meter according to claim 1, wherein: The filter screen (8) is fixedly connected to the right end of the ventilation opening (5). The cleaning brush (9) is mutually adapted to the surface of the filter screen (8). The left side of the cleaning brush (9) is rotationally connected to the surface of the filter screen (8) through a rotating shaft and extends to the left side of the filter screen (8) and is fixedly connected to the fan (6).

5. A fast heat-dissipating and fire-preventing electric energy meter according to claim 1, characterized in that: The two sealing frames (12) are arranged symmetrically left and right and are fixedly connected to the outer side of the outer housing (1). The sealing frames (12) are respectively mutually adapted to the heat dissipation opening (4) and the ventilation opening (5). A sealing gasket is arranged inside the sealing frame (12).

6. The fast heat-dissipating and fire-preventing electric energy meter according to claim 1, characterized in that: A through groove is formed at the upper end of the sealing frame (12). The insertion plate (13) is slidably connected to the inside of the through groove and is mutually adapted to the inside of the sealing frame (12). The upper end of the insertion plate (13) is fixedly connected to the lower end of the electric telescopic rod (14). The upper end of the electric telescopic rod (14) is fixedly connected to the surface of the outer housing (1) through a connecting plate.

7. A fast heat-dissipating and fire-preventing electric energy meter according to claim 1, characterized in that: The outer housing (1), the chamber cover (3), the sealing frames (12), and the insertion plate (13) are all made of PPS material. Fireproof coatings are sprayed on the inner sides of the wiring chamber (2) and the chamber cover (3). An observation window (31) is arranged on the surface of the chamber cover (3). The observation window (31) is made of fireproof glass material.

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