CN210323152U - Electric energy meter with explosion-proof function of built-in heat dissipation switch - Google Patents
Electric energy meter with explosion-proof function of built-in heat dissipation switch Download PDFInfo
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- CN210323152U CN210323152U CN201920885473.2U CN201920885473U CN210323152U CN 210323152 U CN210323152 U CN 210323152U CN 201920885473 U CN201920885473 U CN 201920885473U CN 210323152 U CN210323152 U CN 210323152U
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Abstract
The utility model discloses an electric energy meter with explosion-proof function of built-in heat dissipation switch, including electric energy meter subassembly, explosion-proof shell subassembly and terminal box, explosion-proof shell subassembly includes casing and door body, the position that corresponds the display screen of electric energy meter subassembly above the door body has seted up a through opening's viewing aperture, there is the air intake electric energy meter subassembly below the back, electric energy meter subassembly has the air outlet above the side, the casing back and the corresponding position in side all set up the vent that runs through, the air outlet outside encircles and is equipped with the cylindric air collecting cover of round, install fan assembly between air outlet and the vent, the fan is closely laminated to the air collecting cover outer end; through setting up air outlet and fan unit, make explosion-proof electric energy meter have possessed built-in heat dissipation function to after assembling the hot air in area through the wind-collecting cover, outside being discharged the casing by fan unit again, avoided taking the hot air to disperse to flow in the casing and lead to unable effective exhaust problem, gained better radiating effect.
Description
Technical Field
The utility model relates to an electric energy meter equipment technical field, concretely relates to electric energy meter of explosion-proof function with built-in heat dissipation switch.
Background
An electric energy meter is an instrument for measuring electric energy, and is also called a watt-hour meter, which is an instrument for measuring various electrical quantities. The working principle of the electric energy meter is that when the electric energy meter is connected to a tested circuit, alternating currents flow in a current coil and a voltage coil, and the two alternating currents respectively generate alternating magnetic fluxes in iron cores of the two alternating currents; the alternating magnetic flux passes through the aluminum plate, and eddy current is induced in the aluminum plate; the eddy currents are acted upon by a force in the magnetic field, so that the aluminum disk is rotated by a torque (main torque). Because the electric energy meter also belongs to an electric appliance element, the temperature change is sensitive.
Along with the rapid development of economy in China, the electricity demand of various industries is increased, the situation that the electric energy meter is applied to harsh working environment is increased, and the electric energy meter in some large heavy industries is widely applied, so that the electric energy meter with the explosion-proof function is generated to meet the production and living demands of people. However, the explosion-proof electric energy meter is sealed tightly, so that the normal use of electric elements in the electric energy meter is often influenced due to poor heat dissipation effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an electric energy meter with explosion-proof function of built-in heat dissipation switch, this design possess explosion-proof effectual, and the radiating effect is obvious and can be according to actual conditions switching radiator fan with the energy can be saved, and the advantage of simple structure easily operation has solved current most explosion-proof electric energy meter and can only lean on natural cooling to and the poor problem of radiating effect.
The utility model discloses an electric energy meter with explosion-proof function of built-in heat dissipation switch, including electric energy meter subassembly, explosion-proof shell subassembly and terminal box, explosion-proof shell subassembly includes casing and door body, a side of casing is the opening, the door body articulates in the side opening of casing, the door body can closely close in the casing, electric energy meter subassembly back four corners all has a mounting hole, electric energy meter subassembly closely is fixed in the casing through the mounting hole, the position that corresponds the display screen of electric energy meter subassembly above the door body has a viewing aperture that runs through the opening, electric energy meter subassembly bottom crimping terminal box, the terminal box bottom passes through the casing bottom face through the wiring section of thick bamboo, electric energy meter subassembly has the air intake below the back, electric energy meter subassembly has the air outlet above the side, the casing back and the side correspond the position and all have the vent that runs through, air intake and air outlet inside all installs dustproof filter screen, the fan assembly comprises a motor, a fan cover and a fixing bolt, the fan is connected with the motor, the fan cover is installed between the fan and the ventilation opening, the fan and the fan cover are tightly fixed in the ventilation opening through the fixing bolt, and the outer end of the wind gathering cover is tightly attached to the fan.
The utility model discloses an electric energy meter of explosion-proof function with built-in heat dissipation switch wherein has also installed fan unit between air intake and the vent, and the fan that closely laminates in the air-collecting cover outer end.
The utility model discloses an electric energy meter of explosion-proof function with built-in heat dissipation switch wherein all closely installs the fender and the dustproof filter screen of fretwork form in the vent.
The utility model discloses an electric energy meter with explosion-proof function of built-in heat dissipation switch, wherein the viewing aperture facial make-up is equipped with tempered glass.
The utility model discloses an electric energy meter of explosion-proof function with built-in heat dissipation switch, wherein the wind-collecting cover is made for the aluminum alloy.
The utility model discloses an electric energy meter with explosion-proof function of built-in heat dissipation switch, wherein the casing is forged steel integrated into one piece with the door body.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. this scheme is through setting up air outlet and fan unit spare, makes explosion-proof electric energy meter possess built-in heat dissipation function to after assembling the hot air in area through the wind-collecting cover, outside being discharged the casing by fan unit spare again, avoided taking the hot air to disperse to flow in the casing and lead to unable effective exhaust problem, gained better radiating effect.
2. This scheme is through setting up also having installed fan unit and air-collecting cover between air intake and the vent, and only lean on the mode import that the air flows naturally than preceding on the one hand, fan unit can inhale the air fast and get into the electric energy meter subassembly in for the heat dissipation circulation, and on the other hand air-collecting cover can effectually assemble the piece with outside cold air, has avoided the problem that external cold air dispersedly flows in the casing, has gained better radiating effect.
3. This scheme is through setting up all closely having installed fender and dustproof filter screen in the vent, and the fender blocks the bold impurity in the air, and dustproof filter screen has filtered the dust in the air, avoids the air dust to get into the use that electric energy meter subassembly influences the electric energy meter, has effectively prolonged the life of electric energy meter.
4. This scheme is through setting up the reinforced glass of dress on the viewing aperture, when having guaranteed explosion-proof effect, can also make things convenient for operating personnel to observe.
5. This scheme is through setting up the wind-collecting cover 13 of aluminum alloy, and the heat conduction metal material that the aluminum alloy is, has gained better radiating effect. 6. This scheme is forged steel integrated into one piece through setting up the casing and the door body, has gained obvious explosion-proof effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural diagram of a front section of an electric energy meter;
FIG. 2 is a schematic structural diagram of a front view of the electric energy meter;
FIG. 3 is a schematic diagram of a rear view structure of an electric energy meter assembly;
fig. 4 is a schematic diagram of a right view structure of the electric energy meter assembly.
In the figure: 1. an electric energy meter assembly; 2. an explosion proof housing assembly; 3. a junction box; 4. a fan assembly; 5. a motor; 11. an air inlet; 12. an air outlet; 13. a wind gathering cover; 14. mounting holes; 21. a housing; 22. a door body; 23. a viewing port; 24. a vent; 31. a wire connecting cylinder; 41. a fan; 42. a fan housing; 43. and (5) fixing the bolt.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-4, an electric energy meter with an explosion-proof function with a built-in heat dissipation switch comprises an electric energy meter component 1, an explosion-proof shell component 2 and a junction box 3, wherein the explosion-proof shell component 2 comprises a shell 21 and a door 22, one side surface of the shell 21 is an opening, the door 22 is hinged in the opening on the side surface of the shell 21, the door 22 can be tightly closed on the shell 21, four corners of the back surface of the electric energy meter component 1 are respectively provided with a mounting hole 14, the electric energy meter component 1 is tightly fixed in the shell 21 through the mounting holes 14, a through opening observation port 23 is arranged at the position above the door 22 corresponding to a display screen of the electric energy meter component 1, the bottom of the electric energy meter component 1 is in compression joint with the junction box 3, the bottom end of the junction box 3 penetrates through the bottom end surface of the shell 21 through a wiring barrel 31, the electric energy meter component 1 is provided with an air inlet 11 at the lower part, the dustproof filter screens are installed inside the air inlet 11 and the air outlet 12, a circle of cylindrical air collecting cover 13 is installed around the outside of the air outlet 12, the fan assembly 4 is installed between the air outlet 12 and the ventilation opening 24, the fan assembly 4 comprises a motor 5, a fan 41, a fan cover 42 and a fixing bolt 43, the fan 41 is connected with the motor 5, the fan cover 42 is installed between the fan 41 and the ventilation opening 24, the fan 41 and the fan cover 42 are tightly fixed in the ventilation opening 24 through the fixing bolt 43, and the outer end of the air collecting cover 13 is tightly attached to the fan 41. This scheme is through setting up air outlet 12 and fan unit 4, makes explosion-proof electric energy meter possess built-in heat dissipation function to after assembling the hot air of area through wind-collecting cover 13, outside being discharged casing 21 by fan unit 4 again, avoided taking hot air to disperse to flow in casing 21 and lead to the unable problem of effectively discharging, gained better radiating effect.
Further, the fan assembly 4 is also installed between the air inlet 11 and the air vent 24, and the outer end of the air collecting cover 13 is tightly attached to the fan 41. This scheme is through setting up also having installed fan unit 4 and wind-collecting cover 13 between air intake 11 and the vent 24, on the one hand only lean on the mode import that the air naturally flows than the preceding, in fan unit 4 can inhale the air fast and get into electric energy meter subassembly 1, heat dissipation circulation has been accelerated, on the other hand wind-collecting cover 13 can effectually assemble the piece with outside cold air, has avoided the problem that external cold air dispersedly flows in casing 21, has gained better radiating effect.
Furthermore, hollow-out mud guards and dust-proof filter screens are tightly arranged in the ventilation openings 24. This scheme is through all closely having installed fender and dustproof filter screen in setting up vent 24, and the fender blocks the bold impurity in the air, and dustproof filter screen has filtered the dust in the air, avoids the air dust to get into the use that electric energy meter subassembly 1 influences the electric energy meter, has effectively prolonged the life of electric energy meter.
Further, a tempered glass is provided on the observation port 23. This scheme is through setting up 23 facial features and installing tempered glass, when having guaranteed explosion-proof effect, can also make things convenient for operating personnel to observe.
Further, the wind collecting cover 13 is made of aluminum alloy. This scheme is through setting up the wind-collecting cover 13 of aluminum alloy, and the heat conduction metal material that the aluminum alloy is, has gained better radiating effect.
Further, the case 21 and the door 22 are integrally formed of forged steel. This scheme is through setting up casing 21 and door body 22 and be forged steel integrated into one piece, has gained obvious explosion-proof effect.
The utility model discloses when using:
the electric energy meter component 1 is fixed inside the shell 21 through the mounting hole 14, the junction box 3 is connected, the observation port 23 and a display screen on the electric energy meter component 1 are aligned, the door body 22 is closed and locked, an external power supply is connected, the electric energy meter component 1 starts to work, when the temperature inside the shell 21 rises to a set temperature, the temperature sensor 7 transmits a signal to the control chip set 6, the control chip set 6 starts the motor 5 to drive the fan component 4 to start to work, external cold air is sucked by the fan component 4 through the ventilation opening 24 on the back of the shell 21, directly enters the air inlet 11 through the wind gathering cover 13 and cannot dispersedly flow to other positions inside the shell 21, after air circulation in the electric energy meter component 1, the air after heat absorption is discharged from the air outlet 12, collected through the wind gathering cover 13 and discharged to the outside through the ventilation opening 24 on the side by the fan component 4.
When the shell 21 descends or the electric energy meter assembly 1 stops working, the temperature sensor 7 transmits a signal to the control chip set 6, and the control chip set 6 turns off the motor 5 and stops rotating the fan assembly 4.
The hollow-out mud guard in the ventilation opening 24 blocks large impurities in the air, dust in the air is filtered by the dustproof filter screens in the air inlet 11, the air outlet 12 and the ventilation opening 24, and the electric energy meter assembly 1 is prevented from being influenced by the air dust.
The shell 21 and the door 22 which are integrally formed by the forged steel can provide effective explosion-proof protection for the electric energy meter assembly 1, and the observation port 23 provided with the tempered glass can be convenient for an operator to observe while the explosion-proof effect is ensured.
In addition, still install control chip and temperature sensor in casing 21, can let temperature sensor pass through the signal for control chip according to the real-time temperature condition in casing 21 and open and close fan assembly 4, when having practiced thrift the energy, also prolonged fan assembly 4's life. The control chip can use a singlechip, the model is MCS-51, and the model of the temperature sensor is pt 100.
The utility model discloses it is good to possess the explosion-proof effect, and the radiating effect is obvious and can be according to the radiating fan unit spare 4 of actual conditions switching in order the energy can be saved, and the advantage of simple structure easily operation has solved current most explosion-proof electric energy meter and can only lean on natural heat dissipation to and the poor problem of radiating effect.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an electric energy meter with explosion-proof function of built-in heat dissipation switch which characterized in that: including electric energy meter subassembly (1), explosion-proof shell subassembly (2) and terminal box (3), this explosion-proof shell subassembly (2) includes casing (21) and door body (22), a side of this casing (21) is the opening, this door body (22) articulate in this side opening of this casing (21), this door body (22) can closely be closed in this casing (21), this electric energy meter subassembly (1) back four corners all has a mounting hole (14), this electric energy meter subassembly (1) closely is fixed in this casing (21) through this mounting hole (14), a viewing aperture (23) that runs through the opening is seted up to the position that corresponds the display screen of this electric energy meter subassembly (1) in this door body (22) top, this terminal box (3) of this electric energy meter subassembly (1) bottom crimping, this casing (21) bottom end face is run through to this terminal box (3) bottom end through wiring section of thick bamboo (31), electric energy meter subassembly (1) has air intake (11) below the back, the electric energy meter component (1) is provided with an air outlet (12) above the side surface, the back surface and the side surface of the shell (21) are provided with penetrating air vents (24) at corresponding positions, dust-proof filter screens are arranged in the air inlet (11) and the air outlet (12), a circle of cylindrical air collecting cover (13) is arranged outside the air outlet (12) in a surrounding manner, a fan component (4) is arranged between the air outlet (12) and the air vents (24), the fan component (4) comprises a motor (5), a fan (41), a fan cover (42) and a fixing bolt (43), the fan (41) is connected with the motor (5), the fan cover (42) is arranged between the fan (41) and the air vents (24), and the fixing bolt (43) tightly fixes the fan (41) and the fan cover (42) in the air vents (24), the outer end of the wind gathering cover (13) is tightly attached to the fan (41).
2. The electric energy meter with the explosion-proof function of the built-in heat dissipation switch as recited in claim 1, wherein: the fan assembly (4) is also arranged between the air inlet (11) and the ventilation opening (24), and the outer end of the air collecting cover (13) is tightly attached to the fan (41).
3. The electric energy meter with the explosion-proof function of the built-in heat dissipation switch as recited in claim 2, characterized in that: and hollow-out mud guards and dustproof filter screens are tightly arranged in the ventilation openings (24).
4. The electric energy meter with the explosion-proof function of the built-in heat dissipation switch as recited in claim 1, wherein: the observation port (23) is provided with tempered glass.
5. The electric energy meter with the explosion-proof function of the built-in heat dissipation switch as recited in claim 1, wherein: the wind gathering cover (13) is made of aluminum alloy.
6. The electric energy meter with the explosion-proof function of the built-in heat dissipation switch as recited in claim 1, characterized in that: the shell (21) and the door body (22) are integrally formed by forged steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885473.2U CN210323152U (en) | 2019-06-13 | 2019-06-13 | Electric energy meter with explosion-proof function of built-in heat dissipation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920885473.2U CN210323152U (en) | 2019-06-13 | 2019-06-13 | Electric energy meter with explosion-proof function of built-in heat dissipation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210323152U true CN210323152U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920885473.2U Active CN210323152U (en) | 2019-06-13 | 2019-06-13 | Electric energy meter with explosion-proof function of built-in heat dissipation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210323152U (en) |
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2019
- 2019-06-13 CN CN201920885473.2U patent/CN210323152U/en active Active
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Address after: 210000 West, 5th floor, Building 29, entrepreneurship center, Jiangbei new district, Nanjing City, Jiangsu Province Patentee after: Jiangsu Yili Technology Co.,Ltd. Address before: 210061 West, 5th floor, Building 29, entrepreneurship center, Nanjing high tech Development Zone, Jiangsu Province Patentee before: Nanjing Henglon Electrical Equipment Co.,Ltd. |