High-insulation flame-retardant three-phase ammeter shell structure

Abstract

The utility model relates to the technical field of ammeter shells, in particular to a high-insulation flame-retardant three-phase ammeter shell structure which comprises an ammeter shell, an ammeter cover and an ammeter body, the ammeter cover is arranged at the upper end of the ammeter shell, the ammeter body is arranged in the ammeter shell, and a heat dissipation structure is arranged on the side face of the ammeter shell. When an electric wire is connected with the device, the pressing block at the position of the electric wire opening where the electric wire needs to be inserted is pulled, the pressing block is made to move upwards, the pressing block drives the movable block to move upwards to completely expose the position of the electric wire opening, and then the electric wire penetrates through the electric wire opening and the connecting block and enters the leakage pad protection switch to be connected. And then the pressing block is loosened, the movable block moves downwards through the resilience force of the reset spring, and the pressing block is driven to be attached to the surface of the electric wire, so that the friction force between the pressing block and the electric wire is increased, and the phenomenon that the connecting position of the electric wire is loosened and falls off due to the fact that the electric wire is pulled is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of electric meter shells, in particular to a high-insulation flame-retardant three-phase electric meter shell structure. Background Art

[0002] With the widespread application of electrical equipment and systems, the safety and stability of electric meters as an indispensable part of the power system are increasingly valued. The installation location of traditional electric meters will face high temperature, humidity and other environments, so it is necessary to set up a high insulation flame retardant three-phase electric meter shell structure to protect the electric meter. However, the existing device still has certain use defects when in use, such as:

[0003] Patent No. "CN201922018010.9" discloses a new type of high-insulation flame-retardant three-phase meter shell. When in use, the device adds an insulating layer, and the insulating layer is wound and bonded along the meter shell with insulating tape. On the premise that the HX-012 type high-temperature resistant coating itself has insulating properties, the insulation performance of the meter shell is further improved. However, during the use of the device, since the meters are mostly set at high places, the wires connected from below may be easily pulled, causing loosening or falling off, resulting in the meter being unstable or even unable to be used. Summary of the invention

[0004] The utility model aims to solve the above problems and proposes a high-insulation flame-retardant three-phase meter housing structure, which improves the problem that the wires of the existing high-insulation flame-retardant three-phase meter housing structure are easy to loosen and fall off.

[0005] A high-insulation flame-retardant three-phase electric meter housing structure comprises an electric meter housing, an electric meter cover and an electric meter body: an electric meter cover is arranged at the upper end of the electric meter housing, an electric meter body is arranged inside the electric meter housing, and a heat dissipation structure is arranged on the side of the electric meter housing; the heat dissipation structure comprises a fan and a filter, a fan is arranged on the side of the electric meter housing, a filter is arranged on the side of the fan, and the fan passes through the electric meter housing; a connecting block is arranged on the side of the electric meter housing, and a wire port is arranged on the side of the connecting block; a pressing block is arranged inside the connecting block, and a movable block is arranged on the side of the pressing block, the movable block is slidably connected to the connecting block, a reset spring is arranged on the upper end of the movable block, and the connecting block is slidably connected to the pressing block.

[0006] Preferably, a glass plate is provided on the surface of the meter cover, and a slider is provided at the lower end of the meter cover.

[0007] Preferably, a slide groove is provided at the upper end of the meter housing, the slide groove is slidably connected to the slider, and a fixing block is provided on the side of the meter housing.

[0008] Preferably, a support spring is provided inside the fixed block, a limit block is provided at the upper end of the support spring, and the limit block is slidably connected to the fixed block.

[0009] Preferably, the internal insulating pad of the electric meter housing, the interior of the electric meter housing is provided with a flame retardant block, and the interior of the electric meter housing is provided with a leakage protection switch.

[0010] The beneficial effects of the utility model are:

[0011] 1. Through the connecting block, movable block, reset spring and pressing block, when the device is in use and the wire needs to be connected to the device, pull the pressing block at the wire port where the wire needs to be inserted to move the pressing block upward, so that the pressing block drives the movable block to move upward to completely leak the wire port, and then pass the wire through the wire port and the connecting block, and enter the inside of the leakage pad protection switch for connection, and then release the pressing block, so that the movable block moves downward through the rebound force of the reset spring, and drives the pressing block to fit the surface of the wire, so as to increase the friction between the pressing block and the wire, to prevent the wire from being pulled, which causes the wire connection to loosen and fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall front-view stereoscopic structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the installation of the electric meter cover and the slider of the utility model;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure of the electric meter housing and the slide slot installation of the utility model;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the connection block and the pressing block of the utility model.

[0016] In the figure: 1. Meter housing; 2. Meter cover; 3. Glass plate; 4. Slider; 5. Fixed block; 6. Support spring; 7. Limit block; 8. Fan; 9. Filter; 10. Slide; 11. Insulation pad; 12. Flame retardant block; 13. Meter body; 14. Leakage protection switch; 15. Connection block; 16. Wire port; 17. Press block; 18. Movable block; 19. Reset spring; 20. Heat dissipation structure. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] When implementing: Figure 1-4 As shown, a high-insulation flame-retardant three-phase electric meter housing structure comprises an electric meter housing 1, an electric meter cover 2 and an electric meter body 13: the upper end of the electric meter housing 1 is provided with the electric meter cover 2, the inner part of the electric meter housing 1 is provided with the electric meter body 13, and the side of the electric meter housing 1 is provided with a heat dissipation structure 20;

[0019] The heat dissipation structure 20 includes a fan 8 and a filter 9. The fan 8 is disposed on the side of the meter housing 1. The filter 9 is disposed on the side of the fan 8. The fan 8 passes through the meter housing 1.

[0020] When the device is in use and the temperature inside the meter housing 1 is too high, the fans 8 on both sides are turned on, so that the fan 8 on one side blows air and the fan 8 on the other side sucks air, so as to make the air flow inside the meter housing 1 flow to dissipate heat from the meter housing 1, to prevent the internal temperature from being too high and causing damage to components, and to filter dust in the air through the filter 9 to prevent dust from entering the interior of the meter housing 1, to prevent excessive dust accumulation and causing damage and aging of components.

[0021] A glass plate 3 is provided on the surface of the meter cover 2, and a slider 4 is provided at the lower end of the meter cover 2;

[0022] A slide groove 10 is provided at the upper end of the meter housing 1, and the slide groove 10 is slidably connected to the slider 4. A fixing block 5 is provided on the side of the meter housing 1.

[0023] A support spring 6 is arranged inside the fixed block 5, and a limit block 7 is arranged on the upper end of the support spring 6. The limit block 7 is slidably connected to the fixed block 5;

[0024] The limit block 7 is then released so that the limit block 7 extends out from the inside of the fixed block 5 through the resilience of the support spring 6, thereby limiting the position of the meter cover 2 and preventing the meter cover 2 from falling off the surface of the meter cover 1.

[0025] An insulating pad 11 is provided inside the ammeter housing 1, a flame retardant block 12 is provided inside the ammeter housing 1, and an earth leakage protection switch 14 is provided inside the ammeter housing 1;

[0026] When the device is in use, the insulating pad 11 can be set to insulate the components inside the meter housing 1 to prevent the components from leaking and transmitting to the meter housing 1, causing the risk of electric shock to the staff. In addition, the leakage protection switch 14 can be used to cut off the power in time when the device leaks, preventing the components inside the meter housing 1 from being damaged.

[0027] A connection block 15 is provided on the side of the meter housing 1, and a wire port 16 is provided on the side of the connection block 15;

[0028] A pressing block 17 is disposed inside the connecting block 15, a movable block 18 is disposed on the side of the pressing block 17, the movable block 18 is slidably connected to the connecting block 15, a return spring 19 is disposed on the upper end of the movable block 18, and the connecting block 15 is slidably connected to the pressing block 17;

[0029] When the device is in use and the wires need to be connected, the pressing block 17 at the wire port 16 where the wires need to be inserted is pulled, and the movable block 18 is driven upward by the pressing block 17, and then the wires are inserted into the wire port 16 and enter the interior of the leakage protection switch 14 for connection, and then the pressing block 17 is released, so that the movable block 18 moves downward through the rebound force of the reset spring 19, and drives the pressing block 17 to move downward, so that the pressing block 17 fits with the wires and increases the friction between the wires and the pressing block 17 to prevent the wires from loosening and falling off when they are pulled, thereby making the device unable to operate normally.

[0030] When the utility model is used, firstly, the limit card block 7 is pressed into the interior of the fixing block 5, then the meter cover 2 is pushed upward to make the slider 4 slide to the wider position of the slide slot 10, then the meter cover 2 is lifted from the surface of the meter housing 1, then the pressing block 17 at the position of the wire port 16 where the wire needs to be inserted is pulled, then the wire is inserted into the wire port 16, and enters the interior of the leakage protection switch 14 for connection, then the pressing block 17 is released, so that the pressing block 17 is driven downward by the rebound force of the reset spring 19, so that the pressing block 17 The electric meter cover 2 is fixed by fitting it with the electric wire to increase the friction between the electric wire and the pressing block 17 to prevent the electric wire from being pulled and causing looseness or falling off. The slider 4 is then inserted into the interior of the slide groove 10 and slides downward, so that the slider 4 enters the wider position of the slide groove 10 and slides to the narrower position for engagement and fixing. The limiting card block 7 is then released so that the limiting card block 7 extends out of the interior of the fixing block 5 through the rebound force of the supporting spring 6, thereby fixing the electric meter cover 2, and turning on the fans 8 on both sides to dissipate heat from the interior of the electric meter housing 1.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high insulation flame retardant three-phase electric meter housing structure, characterized in that: The electric meter comprises an electric meter housing (1), an electric meter cover (2) and an electric meter body (13): the electric meter cover (2) is arranged at the upper end of the electric meter housing (1), the electric meter body (13) is arranged inside the electric meter housing (1), and a heat dissipation structure (20) is arranged on the side of the electric meter housing (1); The heat dissipation structure (20) comprises a fan (8) and a filter (9); the fan (8) is arranged on the side of the meter housing (1); the filter (9) is arranged on the side of the fan (8); and the fan (8) passes through the meter housing (1); A connection block (15) is provided on the side of the electric meter housing (1), and a wire port (16) is provided on the side of the connection block (15); A pressing block (17) is arranged inside the connecting block (15), a movable block (18) is arranged on the side of the pressing block (17), the movable block (18) is slidably connected to the connecting block (15), a return spring (19) is arranged at the upper end of the movable block (18), and the connecting block (15) is slidably connected to the pressing block (17).

2. A high insulation flame retardant three-phase electric meter housing structure according to claim 1, characterized in that: A glass plate (3) is provided on the surface of the meter cover (2), and a slider (4) is provided at the lower end of the meter cover (2).

3. A high insulation flame retardant three-phase electric meter housing structure according to claim 2, characterized in that: A slide groove (10) is provided at the upper end of the meter housing (1), the slide groove (10) is slidably connected to the slider (4), and a fixing block (5) is provided on the side of the meter housing (1).

4. A high insulation flame retardant three-phase electric meter housing structure according to claim 3, characterized in that: A support spring (6) is arranged inside the fixed block (5), a limit block (7) is arranged at the upper end of the support spring (6), and the limit block (7) is slidably connected to the fixed block (5).

5. The high insulation flame retardant three-phase electric meter housing structure according to claim 1 is characterized in that: The electric meter housing (1) has an internal insulating pad (11), a flame retardant block (12) is arranged inside the electric meter housing (1), and a leakage protection switch (14) is arranged inside the electric meter housing (1).

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