CN219780595U - Explosion-proof frequency converter cooling system - Google Patents
Explosion-proof frequency converter cooling system Download PDFInfo
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- CN219780595U CN219780595U CN202320201773.0U CN202320201773U CN219780595U CN 219780595 U CN219780595 U CN 219780595U CN 202320201773 U CN202320201773 U CN 202320201773U CN 219780595 U CN219780595 U CN 219780595U
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- explosion
- cooling
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- box
- frequency converter
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- 238000001816 cooling Methods 0.000 title claims abstract description 80
- 239000000498 cooling water Substances 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000002791 soaking Methods 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 6
- 239000002826 coolant Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model belongs to the technical field of explosion-proof frequency converters, and particularly discloses a cooling system of an explosion-proof frequency converter, which comprises a box body, wherein an explosion-proof box is arranged in the box body, a frequency converter is arranged in the explosion-proof box, a vapor chamber is arranged at the bottom of the box body, the explosion-proof box is positioned on the vapor chamber, a left cooling chamber and a right cooling chamber are formed by a gap between the explosion-proof box and two side walls of the box body, two axial flow fans are arranged at the top of the box body, and the positions of the two axial flow fans are respectively arranged at the tops of the left cooling chamber and the right cooling chamber and are used for taking away heat of the left cooling chamber and the right cooling chamber. According to the utility model, the cooling chambers are respectively arranged at two sides of the explosion-proof box, the vapor chamber is further arranged at the bottom of the explosion-proof box, and the semi-enclosed cooling structure is adopted to comprehensively cool the explosion-proof box, so that the frequency converter is cooled, and the working stability of the frequency converter is improved.
Description
Technical Field
The utility model belongs to the technical field of explosion-proof frequency converters, and particularly relates to a cooling system of an explosion-proof frequency converter.
Background
In the mining process of the coal mine, a large amount of high-power mechanical equipment is needed, the equipment consumes huge energy and has high requirement on electric power, so that the frequency conversion dragging of the large equipment is realized through the frequency converter, and an explosion proof box is needed to be additionally arranged outside the frequency converter to avoid the exchange with external gas due to the special environment of a mining area, so that the occurrence of fire and explosion is avoided.
In the working process of the frequency converter, the temperature of key parts of the frequency converter is increased due to overlarge instantaneous current, and a cooling assembly is required to be arranged. Chinese patent publication No. CN210327358U discloses a water cooling plate for an explosion-proof frequency converter, which adopts the water cooling plate as a cabinet door (explosion-proof door plate) of the frequency converter, and can be used for cooling the frequency converter. However, for the explosion-proof frequency converter of the coal mine, because a large amount of high-power equipment exists, the cooling requirement of the frequency converter is higher, only the cabinet door of the explosion-proof box is used as a cooling component, only components close to the cooling component side can be cooled, and if water cooling plates are adopted on each surface of the explosion-proof box, the cost is inevitably increased.
Therefore, providing a new cooling system for an explosion-proof frequency converter is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to overcome the defect of poor cooling effect of an explosion-proof frequency converter in a mining area in the prior art and provides an explosion-proof frequency converter cooling system.
The utility model provides a cooling system of an explosion-proof frequency converter, which comprises a box body, wherein an explosion-proof box is arranged in the box body, a frequency converter is arranged in the explosion-proof box, a vapor chamber is arranged at the bottom of the box body, the explosion-proof box is positioned on the vapor chamber, a gap is reserved between the explosion-proof box and two side walls of the box body to form a left cooling chamber and a right cooling chamber, two axial flow fans are arranged at the top of the box body, and the positions of the two axial flow fans are respectively at the top of the left cooling chamber and the top of the right cooling chamber and are used for taking away heat of the left cooling chamber and the right cooling chamber.
The further scheme is, the box both sides are provided with coolant tank, be provided with the inlet and outlet on coolant tank's the lateral wall, left side cooling room and right side cooling indoor are provided with condenser tube and water pipe support respectively, water pipe support bottom is connected with the soaking plate, the water pipe support top with the box top is connected, condenser tube sets up the both sides of water pipe support and with water pipe support connection, the water inlet end of condenser tube runs through the lateral wall of box with coolant tank intercommunication.
The cooling water pipe is provided with a circulating pump for pumping the cooling water of the cooling water tank into the cooling water pipe or pumping the cooling water in the cooling water pipe into the cooling water tank.
The further scheme is that a plurality of mutually parallel vacuum cavities are formed in the soaking plate, the vacuum cavities are communicated with two opposite sides of the soaking plate, and heat dissipation teeth are arranged at two ends of the vacuum cavities.
The further scheme is that a temperature sensor and a humidity sensor are arranged in the left cooling chamber and the right cooling chamber; the box body is also provided with a controller, the temperature sensor and the humidity sensor are respectively connected with the controller in a signal manner, and the controller is connected with the axial flow fan through a relay.
The further scheme is that the controller is a programmable controller.
The further scheme is that the back of flameproof box has seted up a plurality of through-holes, the inside plug-in components that are provided with of through-hole for connect converter and outside consumer.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the cooling chambers are respectively arranged at two sides of the explosion-proof box and are cooled through the cooling water pipes, the axial flow fans are arranged at the tops of the cooling chambers to take away heat so as to realize ventilation and cooling, the vapor chamber is arranged at the bottom of the explosion-proof box, the vacuum chamber is arranged in the vapor chamber and can be used for transmitting heat to the heat dissipation teeth and carrying out heat by the axial flow fans, and the semi-enclosed cooling structure is adopted to comprehensively cool the explosion-proof box, so that the frequency converter is cooled, and the working stability of the frequency converter is improved.
According to the intelligent control system, the temperature sensor, the humidity sensor and the controller are arranged, so that intelligent control can be realized on the axial flow fan, and when the temperature or the humidity reaches a preset value, the controller controls the opening of the axial flow fan, and the energy consumption of the cooling system is reduced on the premise of ensuring the cooling effect.
Drawings
The following drawings are illustrative of the utility model and are not intended to limit the scope of the utility model, in which:
fig. 1: the internal structure of the utility model is schematically shown;
fig. 2: the soaking plate structure of the utility model is schematically shown;
in the figure: 1. a case; 2. a cooling water tank; 3. an axial flow fan; 4. a soaking plate; 5. a water pipe bracket; 6. a cooling water pipe; 7. an explosion-proof box; 8. a water inlet and a water outlet; 9. a vacuum chamber; 10. heat dissipation teeth.
Detailed Description
The present utility model will be further described in detail with reference to the following specific examples, which are given by way of illustration, in order to make the objects, technical solutions, design methods and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, the utility model provides a cooling system for an explosion-proof frequency converter, which comprises a box body 1, wherein an explosion-proof box 7 is arranged in the box body 1, a frequency converter is arranged in the explosion-proof box 7, a soaking plate 4 is arranged at the bottom of the box body 1, the explosion-proof box 7 is positioned on the soaking plate 4, and a gap is reserved between the explosion-proof box 7 and two side walls of the box body 1 to form a left cooling chamber and a right cooling chamber. The vapor chamber 4 plays the effect of flame proof case 7 bottom cooling, and left side cooling room and right side cooling room cool down the left side and the right side of flame proof case 7 respectively, form half surrounding type's cooling structure, and comprehensive cooling is carried out the flame proof case, and then plays the cooling effect to the converter, improves the job stabilization nature of frequency conversion case. Two axial flow fans 3 are arranged at the top of the box body 1, and the positions of the two axial flow fans 3 are respectively at the tops of the left cooling chamber and the right cooling chamber and are used for taking away heat of the left cooling chamber and the right cooling chamber.
The cooling chamber comprises a cooling water pipe 6 and a cooling support 5, wherein the cooling water pipe 6 is further connected with a cooling water tank 2, the cooling water tank 2 is located on two sides of a box body 1, water inlets and outlets 8 are formed in the side walls of the cooling water tank 2, the cooling water pipe 6 and the water pipe support 5 are respectively arranged in the left cooling chamber and the right cooling chamber, the bottom of the water pipe support 5 is connected with a soaking plate 4, the top of the water pipe support 5 is connected with the top of the box body 1, the cooling water pipe 6 is arranged on two sides of the water pipe support 5 and is connected with the water pipe support 5, and the water inlet end of the cooling water pipe 6 penetrates through the side walls of the box body 1 and is communicated with the cooling water tank 2.
In order to facilitate the cyclic use of the cooling water in the cooling water pipe 6 and further improve the cooling effect, a circulating pump is arranged on the cooling water pipe 6, and the circulating pump adopts an existing bidirectional circulating pump for pumping the cooling water of the cooling water tank 2 into the cooling water pipe 6 or pumping the cooling water in the cooling water pipe 6 into the cooling water tank 2.
As shown in fig. 2, a plurality of vacuum cavities 9 parallel to each other are formed in the soaking plate 4, the vacuum cavities 9 are communicated with two opposite sides of the soaking plate 4, and heat dissipation teeth 10 are arranged at two ends of the vacuum cavities 9.
In order to reduce the energy consumption of the cooling system, a temperature sensor and a humidity sensor are arranged in the left cooling chamber and the right cooling chamber; the box body 1 is further provided with a controller, the temperature sensor and the humidity sensor are respectively connected with the controller in a signal mode, and the controller is connected with the axial flow fan 3 through a relay. The controller is a programmable controller, and the threshold value of temperature and humidity can be set in the controller, when the measurement parameter of the temperature sensor or the humidity sensor exceeds the threshold value, the controller can control the start and stop of the axial flow fan 3 through the control relay, and the energy consumption of the cooling system is reduced on the premise of ensuring the cooling effect.
In this embodiment, since the frequency converter needs to be connected with an external ac motor, stepless control of the rotational speed of the ac motor is achieved by changing the frequency, so, in order to avoid wiring complexity, a plurality of through holes are formed in the back surface of the explosion-proof box 7, and opposite plug-in connectors are arranged in the through holes for connecting the frequency converter with external electric equipment.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (7)
1. The utility model provides an explosion-proof converter cooling system, includes box (1), box (1) inside is provided with explosion-proof box (7), explosion-proof box (7) inside is provided with the converter, its characterized in that, box (1) inside bottom surface is provided with vapor chamber (4), explosion-proof box (7) are located vapor chamber (4) are last, and explosion-proof box (7) with leave the space between the both sides wall of box (1) and form left cooling room and right cooling room, box (1) top is provided with two axial fan (3), two axial fan (3) the position respectively left side cooling room and right cooling room top for take away the heat of left side cooling room and right side cooling room.
2. The explosion-proof frequency converter cooling system according to claim 1, wherein cooling water tanks (2) are arranged on two sides of the box body (1), water inlets and water outlets (8) are arranged on the side walls of the cooling water tanks (2), cooling water pipes (6) and water pipe supports (5) are respectively arranged in the left cooling chamber and the right cooling chamber, the bottoms of the water pipe supports (5) are connected with the soaking plates (4), the tops of the water pipe supports (5) are connected with the top surface inside the box body (1), the cooling water pipes (6) are arranged on two sides of the water pipe supports (5) and are connected with the water pipe supports (5), and water inlet ends of the cooling water pipes (6) penetrate through the side walls of the box body (1) and are communicated with the cooling water tanks (2).
3. The explosion-proof frequency converter cooling system according to claim 2, wherein the cooling water pipe (6) is provided with a circulating pump for pumping cooling water of the cooling water tank (2) into the cooling water pipe (6) or pumping cooling water in the cooling water pipe (6) into the cooling water tank (2).
4. The explosion-proof frequency converter cooling system according to claim 1, wherein a plurality of mutually parallel vacuum cavities (9) are formed in the soaking plate (4), the vacuum cavities (9) are communicated with two opposite sides of the soaking plate (4), and heat dissipation teeth (10) are arranged at two ends of the vacuum cavities (9).
5. The explosion-proof frequency converter cooling system according to claim 1, wherein a temperature sensor and a humidity sensor are arranged in the left cooling chamber and the right cooling chamber; the box body (1) is also provided with a controller, the temperature sensor and the humidity sensor are respectively connected with the controller through signals, and the controller is connected with the axial flow fan (3) through a relay.
6. The explosion-proof frequency converter cooling system according to claim 5, wherein the controller is a programmable controller.
7. The explosion-proof frequency converter cooling system according to claim 1, wherein a plurality of through holes are formed in the back face of the explosion-proof box (7), and opposite plug-ins are arranged in the through holes and are used for connecting the frequency converter with external electric equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320201773.0U CN219780595U (en) | 2023-02-14 | 2023-02-14 | Explosion-proof frequency converter cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320201773.0U CN219780595U (en) | 2023-02-14 | 2023-02-14 | Explosion-proof frequency converter cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219780595U true CN219780595U (en) | 2023-09-29 |
Family
ID=88129928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320201773.0U Active CN219780595U (en) | 2023-02-14 | 2023-02-14 | Explosion-proof frequency converter cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219780595U (en) |
-
2023
- 2023-02-14 CN CN202320201773.0U patent/CN219780595U/en active Active
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