CN210297592U - Energy-saving variable frequency control cabinet - Google Patents
Energy-saving variable frequency control cabinet Download PDFInfo
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- CN210297592U CN210297592U CN201921522724.7U CN201921522724U CN210297592U CN 210297592 U CN210297592 U CN 210297592U CN 201921522724 U CN201921522724 U CN 201921522724U CN 210297592 U CN210297592 U CN 210297592U
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- control cabinet
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- variable frequency
- frequency control
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Abstract
The utility model discloses an energy-saving variable frequency control cabinet relates to variable frequency control cabinet technical field, for solving the current not good problem of variable frequency control cabinet energy-concerving and environment-protective effect. The top of switch board is provided with the support column, and the support column is provided with four, the preceding terminal surface of switch board is provided with the cabinet door, the inside of cabinet door is provided with the observation window, the below of observation window is provided with the door handle, the rear end of cabinet door is provided with the operating door, the inside of operating door is provided with the voltmeter, the below of voltmeter is provided with the wire connector, the below of wire connector is provided with operating button, the inside of switch board is provided with the support frame, be provided with lightning-arrest mechanism on the support frame, one side of lightning-arrest mechanism is provided with the electrothermal relay, the top of electrothermal relay is provided with intermediate relay, one side of intermediate relay is provided with the contactor, the top of contactor is provided with the converter.
Description
Technical Field
The utility model relates to a variable frequency control cabinet technical field specifically is energy-saving variable frequency control cabinet.
Background
The frequency converter control cabinet and the frequency conversion speed regulation control box are electronic control equipment which controls an alternating current motor by changing the frequency mode of a working power supply of the motor by applying a frequency conversion technology and a microelectronic technology, the frequency conversion speed regulation control box is mainly applied to the underground coal mine with methane and coal dust environment and non-corrosive gas, controls the corresponding three-phase squirrel-cage asynchronous motor with the alternating current of 50Hz and the rated voltage of 660V or 1140V, such as soft start, soft stop, forward and reverse rotation, speed regulation and the like, protects the motor and related circuits, can feed the inertial energy of the load back to a power grid by a four-quadrant electric cabinet, has a regeneration function and a braking function, is suitable for potential energy loads with the requirements of electric energy regeneration and energy conservation and environmental protection, large inertial loads with quick deceleration and the like, and is mainly used for belt conveyors, scraper machines, water pumps, winch lifting and the like in coal mines, the frequency converter is installed in the frequency conversion control cabinet, the voltage and the frequency of an output power supply are adjusted by the switching-on and switching-off of the internal IGBT, the required power supply voltage is provided according to the actual requirement of the motor, and the purpose of energy saving is further achieved.
The existing variable frequency control cabinet has poor energy-saving and environment-friendly effects; therefore, the existing requirements are not met, and an energy-saving variable frequency control cabinet is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-saving variable frequency control cabinet to solve the not good problem of the energy-concerving and environment-protective effect of the current variable frequency control cabinet that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving frequency conversion control cabinet comprises a control cabinet, wherein four support columns are arranged above the control cabinet, a cabinet door is arranged on the front end face of the control cabinet, an observation window is arranged inside the cabinet door, a door handle is arranged below the observation window, an operation door is arranged at the rear end of the cabinet door, a voltmeter is arranged inside the operation door, a wire connector is arranged below the voltmeter, an operation button is arranged below the wire connector, a support frame is arranged inside the control cabinet, a lightning protection mechanism is arranged on the support frame, a thermal relay is arranged on one side of the lightning protection mechanism, an intermediate relay is arranged above the thermal relay, a contactor is arranged on one side of the intermediate relay, a frequency converter is arranged above the contactor, and a special filter for the frequency converter is arranged on one side of the frequency converter, the top of special wave filter of converter is provided with the control box, one side of control box is provided with the block terminal, the top of block terminal all is provided with the draught fan, the upper surface of control cabinet is provided with the fan blade of taking a breath.
Preferably, a heat dissipation grid is arranged above the cabinet door.
Preferably, the support frame is provided with a wire guide hole inside.
Preferably, a filter screen is arranged below the ventilation fan blade.
Preferably, a blowpipe is arranged below the induced draft fan.
Preferably, dust shields are arranged above the four support columns.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a setting of converter and the special wave filter of converter, the converter reaches energy-conservingly through changing motor working power supply frequency, the purpose of speed governing, the special wave filter of converter is low pass filter, the electric current that only needs to be less than the cut-off frequency passes through alright operation, thereby make the carbon emission reduction of the special wave filter of converter, energy-concerving and environment-protective effect has been played, through the draught fan, the setting of the fan blade of taking a breath, the draught fan can blow into the switch board with external air in, cool down the switch board, even the heat that the discharge part produced, service life is prolonged.
2. Through the setting of dust guard, played dirt-proof effect, played the effect of protection simultaneously to the top of switch board, through the setting of filter screen, can avoid the dust to be introduced inside the switch board, through the setting of cabinet door, not only can the condition of observing the operating door at will, also played the effect of protection to the inside of switch board simultaneously, make the switch board safer.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic top view of the control cabinet of the present invention;
in the figure: 1. a control cabinet; 2. a cabinet door; 3. a door handle; 4. an observation window; 5. a heat dissipation grid; 6. a dust-proof plate; 7. a support pillar; 8. an operating door; 9. a voltmeter; 10. a wire connector; 11. an operation button; 12. an induced draft fan; 13. a blowpipe; 14. a control box; 15. a distribution box; 16. a frequency converter; 17. a filter dedicated to the frequency converter; 18. an intermediate relay; 19. a contactor; 20. a thermal relay; 21. a lightning protection mechanism; 22. a wire guide hole; 23. ventilating fan blades; 24. a filter screen; 25. a support frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: an energy-saving frequency conversion control cabinet comprises a control cabinet 1, wherein four support columns 7 are arranged above the control cabinet 1, a cabinet door 2 is arranged on the front end face of the control cabinet 1, an observation window 4 is arranged inside the cabinet door 2, so that the internal condition of an operation door 8 can be observed conveniently, and the operation door 8 can be protected, a door handle 3 is arranged below the observation window 4, an operation door 8 is arranged at the rear end of the cabinet door 2, a voltmeter 9 is arranged inside the operation door 8, a wire connector 10 is arranged below the voltmeter 9, so that the connection between wires is firmer, an operation button 11 is arranged below the wire connector 10, a support frame 25 is arranged inside the control cabinet 1, a lightning protection mechanism 21 is arranged on the support frame 25, the lightning protection effect is achieved, a thermal relay 20 is arranged on one side of the lightning protection mechanism 21, and the overload protection effect is achieved on a circuit, an intermediate relay 18 is arranged above the thermal relay 20, automatic adjustment and safety protection are achieved, a contactor 19 is arranged on one side of the intermediate relay 18 and used for controlling loads, a frequency converter 16 is arranged above the contactor 19, a special frequency converter filter 17 is arranged on one side of the frequency converter 16, a control box 14 is arranged above the special frequency converter filter 17, a distribution box 15 is arranged on one side of the control box 14, an induced draft fan 12 is arranged above the distribution box 15, and air exchange fan blades 23 are arranged on the upper surface of the control cabinet 1.
Further, a heat dissipation grid 5 is arranged above the cabinet door 2, and the heat dissipation grid 5 has a rapid heat dissipation effect.
Further, the inside of support frame 25 is provided with wire guide 22, and wire guide 22 can avoid the wire to place mixed and disorderly.
Further, a filter screen 24 is arranged below the ventilation fan blade 23, and the filter screen 24 can isolate dust from entering the control cabinet 1.
Further, a blowpipe 13 is arranged below the induced draft fan 12, and the blowpipe 13 inputs outside air into the blowpipe 13 through the induced draft fan 12 to cool the inside of the control cabinet 1.
Further, four support columns 7's top is provided with dust guard 6, and dust guard 6 has played dirt-proof effect, has played the effect of protection simultaneously to the top of switch board 1.
The working principle is as follows: when in use, the cabinet door 2 is opened, the operation door 8 is opened again, the arrangement of the cabinet door 2 can not only observe the condition of the operation door 8 at will, but also protect the inside of the control cabinet 1, so that the control cabinet 1 is safer, the dust-proof effect is achieved through the arrangement of the dust-proof plate 6, the top of the control cabinet 1 is protected, dust can be prevented from being introduced into the control cabinet 1 through the arrangement of the filter screen 24, through the arrangement of the frequency converter 16 and the special filter 17 for the frequency converter, the frequency converter 16 achieves the purposes of energy saving and speed regulation through changing the working power frequency of the motor, the special filter 17 for the frequency converter is a low-pass filter, and can run only through the current lower than the cut-off frequency, so that the carbon emission of the special filter 17 for the frequency converter is reduced, the effects of energy saving and environmental protection are achieved, through the arrangement of the draught fan 12 and the air exchange fan blade, draught fan 12 can blow into in the switch board 1 with external air, cools down switch board 1, even the heat that the exhaust part produced, has improved life.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. Energy-saving variable frequency control cabinet, including switch board (1), its characterized in that: the control cabinet is characterized in that four support columns (7) are arranged above the control cabinet (1), a cabinet door (2) is arranged on the front end face of the control cabinet (1), an observation window (4) is arranged inside the cabinet door (2), a door handle (3) is arranged below the observation window (4), an operation door (8) is arranged at the rear end of the cabinet door (2), a voltmeter (9) is arranged inside the operation door (8), a wire connector (10) is arranged below the voltmeter (9), an operation button (11) is arranged below the wire connector (10), a support frame (25) is arranged inside the control cabinet (1), a lightning protection mechanism (21) is arranged on the support frame (25), a thermal relay (20) is arranged on one side of the lightning protection mechanism (21), and an intermediate relay (18) is arranged above the thermal relay (20), one side of auxiliary relay (18) is provided with contactor (19), the top of contactor (19) is provided with converter (16), one side of converter (16) is provided with converter special filter (17), the top of converter special filter (17) is provided with control box (14), one side of control box (14) is provided with block terminal (15), the top of block terminal (15) all is provided with draught fan (12), the upper surface of switch board (1) is provided with fan blade (23) of taking a breath.
2. The energy-saving variable frequency control cabinet according to claim 1, characterized in that: a heat dissipation grid (5) is arranged above the cabinet door (2).
3. The energy-saving variable frequency control cabinet according to claim 1, characterized in that: the inside of the support frame (25) is provided with a wire guide hole (22).
4. The energy-saving variable frequency control cabinet according to claim 1, characterized in that: and a filter screen (24) is arranged below the ventilation fan blade (23).
5. The energy-saving variable frequency control cabinet according to claim 1, characterized in that: and a blowing pipe (13) is arranged below the induced draft fan (12).
6. The energy-saving variable frequency control cabinet according to claim 1, characterized in that: and dust-proof plates (6) are arranged above the four supporting columns (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921522724.7U CN210297592U (en) | 2019-09-12 | 2019-09-12 | Energy-saving variable frequency control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921522724.7U CN210297592U (en) | 2019-09-12 | 2019-09-12 | Energy-saving variable frequency control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210297592U true CN210297592U (en) | 2020-04-10 |
Family
ID=70064624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921522724.7U Active CN210297592U (en) | 2019-09-12 | 2019-09-12 | Energy-saving variable frequency control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210297592U (en) |
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2019
- 2019-09-12 CN CN201921522724.7U patent/CN210297592U/en active Active
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