CN218586718U - Temperature control system for electrical cabinet - Google Patents
Temperature control system for electrical cabinet Download PDFInfo
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- CN218586718U CN218586718U CN202222877872.9U CN202222877872U CN218586718U CN 218586718 U CN218586718 U CN 218586718U CN 202222877872 U CN202222877872 U CN 202222877872U CN 218586718 U CN218586718 U CN 218586718U
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Abstract
The utility model relates to an regulator cubicle field, concretely relates to temperature control system for regulator cubicle. A temperature control system for an electric cabinet comprises a cabinet body and a cabinet door, and is characterized in that the left side and the right side of the cabinet body are respectively provided with a ventilation pipe, the pipe orifice of each ventilation pipe faces downwards, and a dust removal filter screen is arranged in each ventilation pipe; a fan driven by a servo motor is arranged at the joint of the cabinet body on at least one side and the ventilation pipe; be connected with control system on the fan, control system includes temperature sensor, servo driver and PLC controller, and servo motor electricity connection servo controller, servo controller electricity connection PLC controller, and the PLC controller is connected to the temperature sensor electricity, and PLC controller can be according to opening of temperature sensor's signal control servo motor and stop. The utility model provides a rain-proof dustproof, prevent filter screen blocking and can prolong fan life's temperature control system for regulator cubicle.
Description
Technical Field
The utility model relates to an regulator cubicle field, concretely relates to temperature control system for regulator cubicle.
Background
Because the frequency converter and other components installed in the electric cabinet dissipate more heat in the operation process, the temperature in the electric cabinet rises, and if the components are not dissipated in time, the aging of the components can be accelerated. If the operating environment temperature of the frequency converter is less than 45 ℃, the failure rate of the frequency converter is exponentially increased due to overhigh operating environment temperature, and the service life of the frequency converter is exponentially reduced.
Company quality control fume hood frequency conversion cabinet passes through the amount of wind size that 25 fume hoods are total in 6 rooms of converter automatically regulated laboratory, in view of fume hood operating condition, the converter needs continuous operation. Under the condition that the frequency converter continuously works, the electrical cabinet is required to have good heat dissipation capacity.
At present, an air inlet is only formed in the side surface or the top of the electric cabinet, a heat radiation fan is arranged on the peripheral wall, and dust and raindrops in the air can enter the electric cabinet from the air inlet to influence the safe operation of components. Even if the dust removal filter screen is arranged, in the crossing season of the north in spring and summer, the willow flying wadding is very serious, and the filter screen at the air inlet can be blocked by the willow wadding to influence normal ventilation and heat dissipation. In addition, the heat dissipation fan is prone to burning out when continuously operated for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the aforesaid to prior art is not enough, provide a rain-proof dustproof, prevent filter screen blocking and can prolong fan life's temperature control system for regulator cubicle.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a temperature control system for an electric cabinet comprises a cabinet body and a cabinet door, and is characterized in that the left side and the right side of the cabinet body are respectively provided with a ventilation pipe, the pipe orifice of each ventilation pipe faces downwards, and a dust removal filter screen is arranged in each ventilation pipe; a fan driven by a servo motor is arranged at the joint of the cabinet body on at least one side and the ventilation pipe; be connected with control system on the fan, control system includes temperature sensor, servo driver and PLC controller, and servo motor electricity connection servo controller, servo controller electricity connection PLC controller, and the PLC controller is connected to the temperature sensor electricity, and PLC controller can be according to opening of temperature sensor's signal control servo motor and stop.
Preferably, all be equipped with the fan in two ventducts, two fans set up with the same mode of air-out direction, and two fans are connected with a servo driver respectively, and two servo motor are connected to a PLC controller.
Preferably, the ventilation pipe is symmetrically arranged on two sides of the cabinet body.
Preferably, the internal mounting bracket that is equipped with of cabinet, servo driver and PLC controller fixed connection are on the mounting bracket, and temperature sensor sets up on the mounting bracket and is located the middle part of the cabinet body.
Preferably, the cabinet body is provided with a sealing strip at the position matched with the cabinet door, or the cabinet door is provided with a sealing strip at the position matched with the cabinet body.
Preferably, the dust removal filter screen comprises two layers of support screens and filter cotton clamped between the two layers of support screens.
Preferably, the bottom of ventilation pipe is equipped with dust removal filter screen mounting structure, dust removal filter screen mounting structure is including setting up step on the inner wall of ventilation pipe lower extreme, can fixed connection at the framework of ventilation pipe bottom, and the dust removal filter screen inlays to be established in the step and is fixed in the step by the framework.
The utility model has the advantages that:
the mouth of the ventilation pipe of the utility model faces downwards, the cabinet body is connected with the cabinet door through the sealing strip in a sealing way, and the dustproof filter screen is arranged in the ventilation pipe, so that the ventilation pipe can effectively prevent rain and dust;
by arranging the fan driven by the servo motor, dirt such as flying cotton fibers adhered to the dedusting filter screen due to inward air draft can be blown off by the reverse rotation of the fan, the blockage of the dedusting filter screen is effectively prevented, the ventilation effect is ensured, and heat dissipation is effectively carried out;
the PLC can control the start and stop of the servo motor according to the signal of the temperature sensor, and the fan can be stopped when the temperature is lower than a preset value, so that the energy is saved, and the service life of the servo motor is prolonged;
it is thus clear that this device can be rain-proof dustproof, prevent that the filter screen from blockking up and can operate for a long time, and good ventilation radiating effect and security make this device have very strong practicality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the ventilating duct and the dust-removing filter net of the present invention;
fig. 3 is a front view of the present invention;
in the figure: 1. the cabinet comprises a cabinet body, 2. A cabinet door, 3. A fan, 30. A servo motor, 4. A servo driver, 5. A PLC (programmable logic controller), 6. A temperature sensor, 7. A ventilation pipe, 70. A step, 8. A frame body and 9. A dust removal filter screen.
Detailed Description
The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1, the temperature control system for an electrical cabinet in this embodiment includes a cabinet body 1 and a cabinet door 2, where the cabinet body 1 has a rectangular structure, a mounting frame is disposed in the cabinet body 1, the cabinet body 1 is provided with a sealing strip at a position matched with the cabinet door 2, or the cabinet door 2 is provided with a sealing strip at a position matched with the cabinet body 1, and the cabinet door 2 and the cabinet body 1 can form a sealing structure.
The left side wall and the right side wall of the cabinet body 1 are respectively provided with a hole, the left side wall and the right side wall of the cabinet body 1 are provided with a ventilation pipe 7, the ventilation pipe 7 is connected to the hole, in the embodiment, the sizes of the two holes are equal, and the ventilation pipes 7 are symmetrically arranged on the two sides of the cabinet body 1. The mouth of the ventilation pipe 7 faces downwards and is internally provided with a dust removal filter screen 9. Preferably, the dust removing filter screen 9 comprises two layers of support screens and filter cotton sandwiched between the two layers of support screens.
The bottom of ventilation pipe 7 is equipped with dust removal filter screen 9 mounting structure, dust removal filter screen 9 mounting structure is including setting up step 70 on ventilation pipe 7 lower extreme inner wall, can fixed connection in the framework 8 of ventilation pipe 7 bottom, and dust removal filter screen 9 inlays to be established in step 70 and is fixed in step 70 by framework 8. The frame 8 may be fixedly connected to the ventilation pipe 7 by a common fixing means such as bolts.
A fan 3 driven by a servo motor 30 is arranged in the hole on at least one side, and the fan 3 is connected with a control system.
The control system comprises a temperature sensor 6, a servo driver 4 and a PLC (programmable logic controller) 5, the servo motor 30 is electrically connected with the servo controller, the servo controller is electrically connected with the PLC 5, the temperature sensor 6 is electrically connected with the PLC 5, and the PLC 5 can control the start and stop of the servo motor 30 according to signals of the temperature sensor 6. Servo driver 4 and PLC controller 5 fixed connection are on the mounting bracket, and temperature sensor 6 sets up on the mounting bracket and is located the middle part of the cabinet body 1. Specifically, the servo motor 30 may be a product of the type of the motor drive system, i.e., the motor drive system of the present invention, such as the motor drive system of the model number ECMA-C10604 RS; the servo driver 4 may be of the type ASD-A2-0421-M.
As a preferred embodiment, fans 3 are disposed in the two ventilation pipes 7, the two fans 3 are disposed in the same air outlet direction, the two fans 3 are respectively connected to a servo driver 4, and the two servo motors 30 are connected to a PLC controller 5.
By arranging the fan 3 driven by the servo motor 30, dirt such as flying floc adhered to the dedusting filter screen due to inward air draft can be blown off by the reverse rotation of the fan 3, so that the ventilation effect is ensured, and heat dissipation is effectively carried out;
the PLC 5 can control the start and stop of the servo motor 30 according to the signal of the temperature sensor 6, and can stop the operation of the fan 3 when the temperature is lower than a preset value, so that the energy is saved, and the service life of the servo motor 30 is prolonged;
when the device is used, the cabinet body 1 is in sealing connection with the cabinet door 2, the opening of the ventilation pipe 7 faces downwards, and the dustproof filter screen is arranged inside the ventilation pipe 7, so that the device can effectively prevent rain and dust. Through PLC controller 5 default program, PLC controller sends a signal for servo driver 4, servo driver 4 rotates and regularly automatic switching direction of rotation according to the signal drive servo motor 30 of receiving, for example, motor corotation 12h, the dust removal filter screen of one side has adhered filth such as flying cotton fibre because inside convulsions, then motor reversal 12h, blow off the filth on the dust removal filter screen of this side, and in the same way, the dust removal filter screen of opposite side can obtain timely clearance equally, so circulation, the ventilation and the radiating effect of this device have been guaranteed. The temperature sensor 6 detects the temperature in the cabinet body 1, and the PLC controller 5 receives this temperature signal and according to predetermined threshold value if 30 ℃, when the temperature is higher than 30 ℃, the PLC controller 5 starts the servo motor 30 through the servo driver 4, and when the temperature is not higher than 30 ℃, the PLC controller 5 closes the servo motor 30, can play energy-conserving and extension servo motor 30 life's beneficial effect.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (7)
1. A temperature control system for an electric cabinet comprises a cabinet body (1) and a cabinet door (2), and is characterized in that the left side and the right side of the cabinet body (1) are respectively provided with a ventilation pipe (7), the pipe orifice of the ventilation pipe (7) faces downwards, and a dust removal filter screen (9) is arranged in the ventilation pipe; a fan (3) driven by a servo motor (30) is arranged at the joint of the cabinet body (1) and the ventilation pipe (7) on at least one side; be connected with control system on fan (3), control system includes temperature sensor (6), servo driver (4) and PLC controller (5), and servo controller is connected to servo motor (30) electricity, and PLC controller (5) is connected to servo controller electricity, and PLC controller (5) is connected to temperature sensor (6) electricity, and PLC controller (5) can be according to opening of the signal control servo motor (30) of temperature sensor (6) and stop.
2. The temperature control system for the electrical cabinet according to claim 1, wherein fans (3) are arranged in the two ventilation pipes (7), the two fans (3) are arranged in the same air outlet direction, the two fans (3) are respectively connected with one servo driver (4), and the two servo motors (30) are connected to one PLC (programmable logic controller) 5.
3. The temperature control system for the electrical cabinet according to claim 1 or 2, wherein the ventilation pipe (7) is symmetrically arranged on two sides of the cabinet body (1).
4. The temperature control system for the electrical cabinet according to claim 3, wherein a mounting frame is arranged in the cabinet body (1), the servo driver (4) and the PLC (5) are fixedly connected to the mounting frame, and the temperature sensor (6) is arranged on the mounting frame and located in the middle of the cabinet body (1).
5. The temperature control system for the electrical cabinet according to claim 1, wherein the cabinet body (1) is provided with a sealing strip at a position matched with the cabinet door (2), or the cabinet door (2) is provided with a sealing strip at a position matched with the cabinet body (1).
6. The temperature control system for the electrical cabinet according to claim 1, wherein the dust removal filter screen (9) comprises two layers of support screens and filter cotton sandwiched between the two layers of support screens.
7. The temperature control system for the electrical cabinet according to claim 1 or 6, wherein a dust removal filter screen (9) mounting structure is arranged at the bottom end of the ventilation pipe (7), the dust removal filter screen (9) mounting structure comprises a step (70) arranged on the inner wall of the lower end of the ventilation pipe (7) and a frame body (8) capable of being fixedly connected to the bottom end of the ventilation pipe (7), and the dust removal filter screen (9) is embedded in the step (70) and fixed in the step (70) through the frame body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222877872.9U CN218586718U (en) | 2022-10-31 | 2022-10-31 | Temperature control system for electrical cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222877872.9U CN218586718U (en) | 2022-10-31 | 2022-10-31 | Temperature control system for electrical cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218586718U true CN218586718U (en) | 2023-03-07 |
Family
ID=85377806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222877872.9U Active CN218586718U (en) | 2022-10-31 | 2022-10-31 | Temperature control system for electrical cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218586718U (en) |
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2022
- 2022-10-31 CN CN202222877872.9U patent/CN218586718U/en active Active
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