CN210519322U - Frequency converter cooling system for air blower - Google Patents
Frequency converter cooling system for air blower Download PDFInfo
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- CN210519322U CN210519322U CN201921371907.3U CN201921371907U CN210519322U CN 210519322 U CN210519322 U CN 210519322U CN 201921371907 U CN201921371907 U CN 201921371907U CN 210519322 U CN210519322 U CN 210519322U
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- frequency converter
- blower
- flow channel
- cooling system
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- Motor Or Generator Cooling System (AREA)
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Abstract
The utility model provides a converter cooling system for air blower, including casing, the support of setting in the casing, fix on the air blower on the support, be located the converter case of chassis bottom, be located the converter incasement and with the converter of the motor electricity connection of air blower, air runner, wherein, be provided with a plurality of bleeder vents on the first lateral wall of casing, be provided with first cavity between support and the first lateral wall; the inlet of the air flow channel is communicated with the first cavity of the shell, the outlet of the air flow channel is communicated with the inlet of the blower, and the middle of the air flow channel is communicated with the frequency converter box. According to the frequency converter cooling system, the air flow channel passing through the frequency converter is arranged in the case, and the impeller of the air blower is used for pumping outside air into the air flow channel to cool the frequency converter and then discharging the cooled outside air.
Description
Technical Field
The utility model relates to an air-blower equipment technical field especially relates to a converter cooling system for air-blower.
Background
The blower is an environment-friendly device applied to the industries of urban sewage treatment, papermaking, chemical engineering, cement and the like. The frequency converter is mainly used for changing the frequency of the motor in the whole air blower device, adjusting the frequency of the motor in real time according to requirements of different working conditions, and playing a role in saving energy and reducing consumption under the condition of meeting the requirements of the working conditions. The frequency converter can produce the phenomenon of generating heat in the course of the work, and the too high temperature of frequency converter not only can influence frequency converter life, still can arouse the frequency converter fault shutdown even, still can lead to the air-blower loss to increase, reduce the energy-saving rate. Therefore, the frequency converter has important significance for the blower to dissipate heat in time in the working state.
The cooling methods currently applied to frequency converters mainly include: fan cooling, water cooling, air cooling, etc., however, these cooling methods all have certain disadvantages:
the fan type cooling is easy to generate noise, dust is absorbed on the blades after long-time work, the fan is finally locked, and meanwhile, excessive dust is accumulated in the frequency converter, and internal electronic elements are damaged;
the water-cooled cooling has low efficiency, and needs independent connecting pipelines, so that the pipelines are difficult to maintain;
in the air formula cooling mode that adopts under the prior art, the outside air can not directly cool off the converter, and the structure is complicated and cooling efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to solving the above-described problems. It is an object of the present invention to provide a frequency converter cooling system that solves any of the above problems. Specifically, the utility model provides a converter cooling system that is used for simple structure, low cost, is convenient for maintain, cooling efficiency is high of air-blower.
In order to solve the technical problem, the utility model provides a frequency converter cooling system for air blower, the frequency converter cooling system includes casing, the support that sets up in the casing, fix the air blower on the support, be located the converter case of chassis bottom, be located the converter incasement and with the converter of the motor electricity connection of air blower, air runner, wherein, be provided with a plurality of bleeder vents on the first lateral wall of casing, be provided with first cavity between the support and the first lateral wall; the inlet of the air flow channel is communicated with the first cavity of the shell, the outlet of the air flow channel is communicated with the inlet of the blower, and the middle of the air flow channel is communicated with the frequency converter box.
The frequency converter cooling system further comprises a filter layer, and the filter layer is arranged between the plurality of air holes and the inlet of the air flow channel.
Wherein the filter layer is fixed to an inner wall of the first sidewall.
The filter layer is filter cotton with a preset thickness.
The air flow channel comprises a first flow channel and a second flow channel, the first flow channel is communicated with the first side wall and the first end of the frequency converter box, and the second flow channel is communicated with the second end of the frequency converter box and the inlet of the blower.
The utility model provides a converter cooling system is through setting up the air runner through the converter in the quick-witted case, utilizes the impeller of air-blower to take out the air runner in with the external air and discharges after cooling down the converter again, and this cooling system simple structure, low cost, be convenient for maintain, the impeller power of make full use of air-blower, energy saving and consumption reduction, cooling efficiency is high.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 schematically shows a structure of a cooling system of an inverter according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The basic idea of the utility model is that an air channel which communicates the outside of the casing with the inlet of the blower and flows through the frequency converter is arranged in the casing of the blower equipment, the outside air is pumped into the air channel by using the power of the impeller of the blower, the frequency converter is cooled by using the flowing air, and then the air is discharged by the blower; in order to prevent impurities in the air from polluting pipelines and an air blower or influencing the operation, the filter cotton is arranged on the inner wall of the shell, so that the outside air is fully filtered before entering the air flow channel, the impurities such as dust in the air are filtered, the cleanness of the air pipelines and the air blower is effectively ensured, and the operation smoothness of the equipment is ensured. The cooling system is simple in structure, convenient to clean and maintain, high in cooling efficiency and free of other energy consumption, and the energy of the air blower during operation is fully utilized, and the frequency converter is cooled by air.
The following describes in detail a frequency converter cooling system for a blower according to the present invention with reference to the accompanying drawings.
Fig. 1 shows an internal structure schematic diagram of an embodiment of a frequency converter cooling system of the present invention, and as shown in fig. 1, the frequency converter cooling system for an air blower includes a casing 1, a bracket 2 disposed in the casing 1, an air blower 3 fixed on the bracket 2, a frequency converter box 4 located at the bottom of the casing 1, a frequency converter 6 located in the frequency converter box 4 and electrically connected to a motor 5 of the air blower 3, and an air flow passage 7, wherein a plurality of air holes 10 are disposed on a first side wall 11 of the casing 1, and air outside the device enters the casing 1 through the plurality of air holes 10; a first cavity 8 is arranged between the bracket 2 and the first side wall 11; the inlet of the air flow passage 7 is communicated with the first cavity 8 of the machine shell 1, the outlet of the air flow passage 7 is communicated with the inlet of the blower 3, the outlet of the blower 3 penetrates through the machine shell 1 and is communicated with the outside of the machine shell 1, and the middle part of the air flow passage 7 is communicated with the frequency converter box 4. The air in the first cavity 8 is drawn into the air flow passage 7 by the power of the rotation of the impeller of the blower 3, cools the inverter 6 in the inverter box 4, and is discharged from the outlet of the blower 3.
Further, the utility model discloses a converter cooling system still includes filter layer 9 for impurity such as dust, particulate matter in the air that filters entering air runner 7, in order to guarantee air runner 7, converter 6 and air-blower 3's cleanness, avoid deposits such as dust, particulate matter to cause the jam and influence equipment operation. Specifically, the filter layer 9 may be disposed between the plurality of ventilation holes 10 and the inlet of the air flow passage 7, or may be disposed at the inlet of the air flow passage 7.
In the embodiment shown in fig. 1, the filter layer 9 is fixed on the inner wall of the first side wall 11 to ensure the cleanliness of the air entering the first chamber 8, the cleanness of the inside of the cabinet 1 and the air flow passage 7 and devices, and the stable operation of the equipment. For example, the filter layer 9 may be made of filter cotton with a predetermined thickness.
Specifically, the air flow passage 7 includes a first flow passage 71 and a second flow passage 72, wherein the first flow passage 71 communicates the first side wall 11 with the first end of the inverter box 4, and the second flow passage 72 communicates the second end of the inverter box 4 with the inlet of the blower 3, so as to ensure that the gas entering the air flow passage 7 can sufficiently cool the inverter 6 in the inverter box 4.
The frequency converter cooling system of the utility model utilizes the rotation of the impeller of the blower 3 to extract the clean air in the first cavity 8 to enter the air flow passage 7, and utilizes the air pressure change in the first cavity 8 to drive the outside air to enter the first cavity 8 after being filtered by the filter layer 9; the air introduced into the air flow passage 7 cools the inverter 6 by the power of the blower 3, and is then discharged through the blower 3. In the operation process of air-blower 3, along with the operation of air-blower 3, the air continuously gets into in the air runner 7 and cools off converter 6, and cooling efficiency is high, need not additionally other power equipment moreover, can also guarantee the equipment cleanliness factor after the cooling simultaneously, ensures stable operation and the life of equipment.
The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely for illustrating the technical solutions of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.
Claims (5)
1. A frequency converter cooling system for an air blower is characterized by comprising a machine shell (1), a support (2) arranged in the machine shell (1), the air blower (3) fixed on the support (2), a frequency converter box (4) positioned at the bottom of the machine shell (1), a frequency converter (6) positioned in the frequency converter box (4) and electrically connected with a motor (5) of the air blower (3), and an air flow channel (7), wherein a plurality of air holes (10) are formed in a first side wall (11) of the machine shell (1), and a first cavity (8) is arranged between the support (2) and the first side wall (11); an inlet of the air flow channel (7) is communicated with the first cavity (8) of the machine shell (1), an outlet of the air flow channel (7) is communicated with an inlet of the blower (3), and the middle of the air flow channel (7) is communicated with the frequency converter box (4).
2. Frequency converter cooling system according to claim 1, further comprising a filter layer (9), which filter layer (9) is arranged between the number of ventilation holes (10) and the inlet of the air flow channel (7).
3. Frequency converter cooling system according to claim 2, characterized in that the filter layer (9) is fixed to the inner wall of the first side wall (11).
4. Frequency converter cooling system according to claim 2, characterized in that the filter layer (9) is a filter cotton of a predetermined thickness.
5. Inverter cooling system according to claim 1, characterised in that the air flow channel (7) comprises a first flow channel (71) and a second flow channel (72), the first flow channel (71) communicating the first side wall (11) with a first end of the inverter box (4), the second flow channel (72) communicating a second end of the inverter box (4) with an inlet of the blower (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371907.3U CN210519322U (en) | 2019-08-22 | 2019-08-22 | Frequency converter cooling system for air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371907.3U CN210519322U (en) | 2019-08-22 | 2019-08-22 | Frequency converter cooling system for air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210519322U true CN210519322U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921371907.3U Active CN210519322U (en) | 2019-08-22 | 2019-08-22 | Frequency converter cooling system for air blower |
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| CN (1) | CN210519322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087213A (en) * | 2021-09-30 | 2022-02-25 | 上海仁创环境科技有限公司 | Suspension bearing blower with cooling fan driven by single air inlet and main working motor |
-
2019
- 2019-08-22 CN CN201921371907.3U patent/CN210519322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087213A (en) * | 2021-09-30 | 2022-02-25 | 上海仁创环境科技有限公司 | Suspension bearing blower with cooling fan driven by single air inlet and main working motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210512 Address after: No. 6699 Yitong street, Weifang hi tech Zone, Shandong Province, Shandong Patentee after: SHANDONG TIANRUI HEAVY INDUSTRY Co.,Ltd. Address before: 405400 standard workshop No.33, Zhaojia group, Puli industrial new area, Kaizhou District, Chongqing Patentee before: Chongqing Tianrui magnetic domain Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Frequency converter cooling system for blower Effective date of registration: 20221103 Granted publication date: 20200512 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Weifang branch Pledgor: SHANDONG TIANRUI HEAVY INDUSTRY Co.,Ltd. Registration number: Y2022370000141 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |