CN211128755U - Energy-saving and reconstruction heat dissipation system of high-voltage frequency converter - Google Patents
Energy-saving and reconstruction heat dissipation system of high-voltage frequency converter Download PDFInfo
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- CN211128755U CN211128755U CN201921987901.9U CN201921987901U CN211128755U CN 211128755 U CN211128755 U CN 211128755U CN 201921987901 U CN201921987901 U CN 201921987901U CN 211128755 U CN211128755 U CN 211128755U
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- 230000017525 heat dissipation Effects 0.000 title claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 230000009466 transformation Effects 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims description 34
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000002407 reforming Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The utility model relates to a cooling system that energy-conserving transformation of high-voltage inverter relates to the equipment energy-conservation field of reforming transform, it includes the converter cabinet body, the circulation wind channel, axial fan, the heat exchanger and the cooling circulation water system who is connected with the heat exchanger, the one end in circulation wind channel and the cabinet top fan intercommunication of the indoor converter cabinet body, the other end stretches out outdoor and circulation intercommunication to the exhaust pipe with indoor intercommunication, axial fan and heat exchanger set up on being located outdoor wind channel, the internal hot-blast heat transfer of converter cabinet forms cold wind in circulation wind channel circulation to the heat exchanger, and it is indoor through the exhaust pipe entering, be provided with the wall chamber on two lateral walls of the converter cabinet body, the wall chamber includes air intake and air outlet, the air intake communicates to the exhaust pipe, the air outlet communicates to circulation wind. The utility model discloses utilize the air-water cooling system, realize simultaneously to the high-voltage inverter cabinet internal with cabinet side wall ventilation cooling for high-voltage inverter's radiating rate improves high-voltage inverter's heat-sinking capability's effect.
Description
Technical Field
The utility model belongs to the technical field of the technique of equipment energy-conserving transformation and specifically relates to a cooling system that high-voltage inverter energy-conserving was reformed transform is related to.
Background
The high-voltage equipment installs the converter energy-conservation, but when the high-voltage inverter operated, self calorific capacity was great, and the distribution room high temperature, also caused the heat dispersion of high-voltage inverter to reduce easily, if the high-voltage inverter worked in high temperature environment for a long time, can lead to the life-span to shorten. If the environmental temperature is further increased to a certain limit, the normal operation of the high-voltage frequency converter can be seriously influenced, the alarm and the shutdown are caused, the serious threat is caused to the normal operation of enterprises and factories, and the great loss is caused.
The existing heat dissipation of the high-voltage frequency converter is generally realized by additionally arranging a fan inside the frequency converter and installing a considerable number of refrigeration air conditioners in a distribution room provided with the high-voltage frequency converter, and due to reasons such as insufficient refrigeration capacity of the refrigeration air conditioners, damage of the refrigeration air conditioners and the like, the effective heat dissipation of the high-voltage frequency converter cannot be met, and on the contrary, the energy consumption is serious.
In addition, an air-water cooling system is adopted to carry out heat dissipation and cooling on the high-voltage frequency converter, and the prior utility model patent with reference to the grant publication number of CN206117477U discloses a frequency converter chamber cooling system which mainly comprises a frequency converter chamber unit and a cooling unit; the frequency converter chamber unit comprises a frequency converter, a wall body and a hot air recovery pipe, wherein the wall body is enclosed into a closed space for placing the frequency converter; the closed space is communicated with an external heat exchange device through a hot air recovery pipe, and the heat exchange device is used for cooling air discharged from the hot air recovery pipe and then introducing the cooled air into the closed space; the cooling unit comprises a water cooling tower, and the water cooling tower is used for introducing circulating water cooled by the water cooling tower into the heat exchange device.
The air-water cooling system has better heat dissipation and cooling effects to a certain extent, but in the actual operation process, the high-voltage frequency converter has strong heating capacity, in practical applications, it is not allowed to provide any cover on the high voltage inverter, because of the importance of the high voltage inverter in the plant system, whether the device normally operates or not needs to be focused, so that the temperature is always ensured to be within a controllable threshold range, however, due to long-time work of a cooling fan and an air conditioner in a closed space where the high-voltage frequency converter is located or in a distribution room, insufficient refrigeration or faults frequently occur, the temperature in the distribution room rises, the temperature of a cabinet body of the high-voltage frequency converter is influenced, good heat dissipation of the interior of a cabinet body of the frequency converter and the cabinet body cannot be well met by means of cold air discharged into the room by an air-water cooling system, and the heat dissipation efficiency is to be enhanced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cooling system that energy-conserving transformation of high-voltage inverter utilizes the air-water cooling system, realizes carrying out ventilation and heat dissipation simultaneously internal and the cabinet side wall of high-voltage inverter cabinet for high-voltage inverter's radiating rate improves high-voltage inverter's heat-sinking capability.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a cooling system that energy-conserving transformation of high-voltage inverter which characterized in that includes: the cooling circulating water system is connected with the heat exchanger, one end of the circulating air channel is communicated with a cabinet top fan of the indoor frequency converter cabinet body, the other end of the circulating air channel extends out of a room and is circularly communicated to an exhaust pipe communicated with the room, the axial flow fan and the heat exchanger are arranged on the air channel located outside the room, hot air in the frequency converter cabinet body is circulated to the heat exchanger through the circulating air channel to exchange heat to form cold air and enters the room through the exhaust pipe, wall cavities are arranged on two outer side walls of the frequency converter cabinet body and comprise air inlets and air outlets, the air inlets are communicated to the exhaust pipe, and the air outlets are communicated to the circulating air channel.
By adopting the technical scheme: hot air in the high-voltage inverter cabinet body is introduced into the circulating air duct through the cabinet top fan, hot air in the circulating air duct is circularly introduced into the heat exchanger through the axial flow fan for heat exchange, cold air with lower temperature after heat exchange is discharged into a room, and the indoor high-voltage inverter cabinet is cooled and radiated; through setting up the wall chamber on two lateral walls to the high-voltage inverter cabinet body, can introduce the cold air after the heat transfer to the wall intracavity through a branch road, carry out the cooling heat dissipation that lasts to the cabinet side wall of high-voltage inverter, and the hot-air of wall intracavity can be discharged and circulate in circulating air duct, adopt and cool off at the internal and cabinet side wall of high-voltage inverter cabinet, can compensate the internal not enough problem of heat dissipation of high-voltage inverter cabinet, further the radiating efficiency has been promoted, be favorable to guaranteeing the long-term steady operation of high-voltage inverter, increase the heat dissipation of wall chamber, do not increase new refrigeration plant, utilize the original heat transfer ability of air-water cooling system, accord with energy-conservation, the requirement of environmental protection.
The utility model discloses further set up to: and an air outlet of the air exhaust pipe is communicated to the bottom of the frequency converter cabinet body.
By adopting the technical scheme: the air exit of exhaust pipe directly accesss to the bottom of the converter cabinet body, can dispel the heat to the internal portion of high-voltage inverter cabinet more fully and cool off, and the heating element of high-voltage inverter inside not only guarantees the effective utilization of air conditioning resource, and heat dissipation cooling efficiency has also obtained greatly improving.
The utility model discloses further set up to: the circulating air duct comprises an indoor section and an outdoor section, an air inlet of the wall cavity is communicated to the exhaust pipe, and an air outlet of the wall cavity is communicated to the indoor section.
By adopting the technical scheme: the air outlet of the wall cavity is directly communicated with the indoor section of the circulating air duct, and can be circulated along with hot air led out from the cabinet top fan, so that the installation process is not complicated, and the indoor wall is not required to be damaged.
The utility model discloses further set up to: the circulating air duct comprises an indoor section and an outdoor section, an air inlet of the wall cavity is communicated to the exhaust pipe, and an air outlet of the wall cavity is communicated to the outdoor section.
By adopting the technical scheme: the air outlet of the wall cavity is communicated with the outdoor section, so that hot air can quickly enter the outdoor part, heat energy is prevented from being emitted to the indoor space in the process of conveying in an indoor pipeline, and the consumption of indoor cold air resources is reduced; in addition, the air outlet communicated to the outdoor section can be closer to the axial flow fan, and in consideration of air pressure, compared with the condition that the air outlet is communicated to the indoor section, hot air in the wall cavity is more easily led out to the heat exchanger.
The utility model discloses further set up to: the air inlet is located on the upper portion of the wall cavity, and the two air outlets are respectively located on the lower portions of the two wall cavities.
By adopting the technical scheme: the wall cavity of both sides lets in air conditioning respectively, can follow both sides and dispel the heat the cooling to high-voltage inverter cabinet body lateral wall for cold wind speed of passing through, the heat is taken away in the acceleration, improves the holistic radiating efficiency of high-pressure high frequency ware.
The utility model discloses further set up to: the cooling circulating water system comprises a circulating water tank, a centrifugal pump and a cooling water tower, wherein the circulating water tank is communicated to a water inlet of the heat exchanger, a water outlet of the heat exchanger is communicated to the cooling water tower, and the cooling water tower is communicated to the circulating water tank; the centrifugal pump is used for pumping the cooling water of the circulating water pool to the heat exchanger and the cooling water tower.
By adopting the technical scheme: cooling water in the circulating water pool is pumped into the heat exchanger through the centrifugal pump, hot air circulated by the circulating air channel is radiated through the cooling water, the cooling water absorbing heat enters the cooling water tower and related cooling equipment through the water outlet to be cooled, and the cooled cooling water enters the circulating water pool to be circulated again.
The utility model discloses further set up to: and a heat insulation layer is arranged outside the circulating air duct.
To sum up, this practical beneficial technological effect does:
1. the whole heat dissipation capacity of the high-voltage frequency converter can be realized by performing cold air heat dissipation and cooling on the inner part and the side wall of the cabinet body of the high-voltage frequency converter, and the energy is saved and the environment is protected by utilizing an air-water cooling system;
2. the system is simple to modify and install, the use of indoor air conditioners and fans can be reduced, and the operation cost is low;
3. compared with the traditional method that a large amount of refrigerating air conditioners and fans are used for heat dissipation and cooling, the heat dissipation system is more stable, and the failure rate is greatly reduced.
Drawings
Fig. 1 is a schematic system layout diagram (air outlet pipe connected to the indoor section of the circulating air duct) of the energy-saving modified heat dissipation system of the high-voltage inverter of the present invention.
Fig. 2 is a schematic system layout diagram (air outlet pipe connected to the outdoor inner section of the circulating air duct) of the energy-saving modified heat dissipation system of the high-voltage inverter of the present invention.
Fig. 3 is a schematic system structure diagram of a cooling circulating water system in a heat dissipation system of the energy-saving reconstruction of the high-voltage inverter of the present invention.
Reference numerals: 1. a frequency converter cabinet body; 11. a cabinet base; 111. an air inlet duct; 2. a circulating air duct; 3. an axial flow fan; 4. a heat exchanger; 5. a distribution room; 51. an exhaust duct; 52. an air inlet pipe; 53. an air outlet pipe; 6. a cabinet top fan; 7. a wall cavity; 8. a cooling circulating water system; 81. a circulating water tank; 82. a centrifugal pump; 83. a cooling water tower.
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. 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.
The utility model discloses a heat dissipation system that energy-conserving transformation of high-voltage inverter, as shown in figure 1, this system mainly includes the converter cabinet body 1, the circulation wind channel 2, the axial fan 3 and the heat exchanger 4, the converter cabinet body 1 sets up in the airtight electricity distribution room 5, the top of the converter cabinet body 1 is provided with the cabinet top fan 6, the circulation wind channel 2 communicates to the cabinet body fan at the top of the converter cabinet body 1, the circulation wind channel 2 stretches out outdoors, and the circulation communicates to indoors; the axial flow fan 3 and the heat exchanger 4 are respectively arranged on the outdoor circulating air duct 2.
Specifically, circulation wind channel 2 can be the pipeline that has thermal insulation performance, circulation wind channel 2 is including being located the indoor section of electricity distribution room 5 and being located the outdoor section outside electricity distribution room 5, 2 circulation intercommunication in circulation wind channel communicate to the air exit that sets up on the wall with the intercommunication indoor, the air exit level is less than the level of indoor section, be provided with exhaust pipe 51 on the air exit, the wind channel and the exhaust pipe 51 intercommunication of heat exchanger 4, axial fan 3 adopts the flexible coupling with the wind channel of heat exchanger 4.
The exhaust pipe 51 communicates to the bottom of the frequency converter cabinet 1, so that cold air can be directly introduced into the inside of the frequency converter cabinet 1, during actual construction, the frequency converter cabinet 1 is erected and can also be used as a cabinet base 11 of a high frequency converter, an air inlet channel 111 leading to the bottom of the frequency converter cabinet 1 is formed in the cabinet base 11, and the exhaust pipe 51 communicates with the air inlet channel 111.
Two side surfaces of the frequency converter cabinet body 1 are respectively provided with a wall cavity 7, the two wall cavities 7 are mutually independent, the bottoms or the side surfaces of the two wall cavities 7 are provided with air inlets, the side walls of the two wall cavities 7 close to the top of the frequency converter cabinet body 1 are provided with air outlets, and the two air inlets are respectively connected to an exhaust pipe 51 through an air inlet pipe 52 to form two branches, so that cooling air of the exhaust pipe 51 can enter the wall cavities 7 to cool the side walls of the frequency converter cabinet body 1; the air outlets of the two wall cavities 7 are respectively connected to the indoor section of the circulating air duct 2 through the air outlet pipes 53, and the wall body does not need to be damaged in the transformation mode.
As shown in fig. 2, of course, the air outlet pipe 53 may extend out of the room and communicate with the outdoor section of the circulating air duct 2, so that the modification can reduce the heat source in the distribution room 5, reduce the loss of cold air in the distribution room 5, and meet the requirements of energy saving and environmental protection; in addition, compared with the arrangement at the indoor section, the air outlet of the wall cavity 7 is closer to the axial flow fan 3, and the hot air in the wall cavity 7 is easier to be introduced into the circulating air duct 2 from the wall cavity 7 by the axial flow fan 3.
As shown in fig. 3, the system further comprises a cooling circulating water system 8, the circulating cooling water system 8 comprises a circulating water tank 81, a centrifugal pump 82 and a cooling water tower 83, the circulating water tank 81 is further provided with industrial water mixing bottom, the circulating water tank 81 is communicated to the water inlet of the heat exchanger 4 through a water pipe, the water outlet of the heat exchanger 4 is communicated to the cooling water tower 83, and the cooling water tower 83 is communicated to the circulating water tank 81; a centrifugal pump 82 is provided on the piping between the circulating water bath 81 and the heat exchanger 4 for pumping the cooling water of the circulating water bath 81 to the heat exchanger 4 and the cooling water tower 83.
In order to more clearly understand the technical solution of the embodiment of the present invention, the following detailed description is made on the working principle of the system:
as shown in fig. 1 and 2, the air circulation loop is:
hot air in the frequency converter cabinet body 1 is guided into the circulating air duct 2 through the cabinet top fan 6, the axial flow fan 3 guides the hot air in the circulating air duct 2 to enter an air duct in the heat exchanger 4 to exchange heat with cooling water flowing in the heat exchanger 4, low-temperature air after heat exchange is discharged into the frequency converter cabinet body 1 through the exhaust pipe 51 to dissipate heat and cool the inside of the frequency converter cabinet body 1, and the hot air formed after cooling is guided into the circulating air duct 2 through the cabinet top fan 6 and circulates in the way.
The hot air in the wall cavities 7 at two sides of the frequency converter cabinet body 1 is led out to the circulating air duct 2 by the axial flow fan 3, and enters the air duct in the heat exchanger 4 to exchange heat with the cooling water flowing in the heat exchanger 4, the low-temperature air after heat exchange enters the air inlet pipe 52 of the wall cavity 7 through the exhaust pipe 51 and then enters the wall cavities 7 to cool and radiate the wall cavities 7 and the side wall of the frequency converter cabinet body 1, and the hot air formed after cooling is led into the circulating air duct 2 through the cabinet top fan 6, so that the circulation is realized.
As shown in fig. 3, the water circuit of the heat exchanger is circulated as follows:
after industrial water is mixed with the cooling water in the circulating water tank 81, the cooling water is pumped into the heat exchanger 4 through the centrifugal pump 82, the cooling water exchanges heat with hot air in the air channel, the cooling water carries heat to form cooling water with higher temperature, the cooling water with higher temperature is pumped into the cooling water tower 83, the cooling water with high temperature is cooled through the cooling water tower 83 and relevant cooling equipment, and the cooling water after being cooled is circulated and utilized in the circulating water tank 81.
The utility model discloses an utilize the air-water cooling technique, form the forced air cooling circulation on the internal portion of high-voltage inverter cabinet and cabinet side wall, improved high-voltage inverter's radiating rate to a certain extent, improved the radiating efficiency; the working power of the refrigeration air conditioner and the fans in the distribution room can be reduced or the number of the refrigeration air conditioner and the fans can be reduced, and the energy-saving transformation effect is fully improved.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A heat dissipation system that energy-conserving transformation of high-voltage inverter includes: a frequency converter cabinet body (1), a circulating air duct (2), an axial flow fan (3), a heat exchanger (4) and a cooling circulating water system (8) connected with the heat exchanger (4), one end of the circulating air duct (2) is communicated with an indoor top fan (6) of the frequency converter cabinet body (1), the other end of the circulating air duct extends out of the room and is circularly communicated with an exhaust pipe (51) communicated with the room, the axial flow fan (3) and the heat exchanger (4) are arranged on an outdoor air duct, hot air in the frequency converter cabinet body (1) is circulated to the heat exchanger (4) through the circulating air duct (2) to exchange heat to form cold air, and the cold air enters the room through the exhaust pipe (51), it is characterized in that wall cavities (7) are arranged on two outer side walls of the frequency converter cabinet body (1), the wall cavity (7) comprises an air inlet and an air outlet, the air inlet is communicated to the exhaust pipe (51), and the air outlet is communicated to the circulating air duct (2).
2. The energy-saving modified heat dissipation system of the high-voltage frequency converter according to claim 1, wherein: and an air outlet of the air exhaust pipe (51) is communicated to the bottom of the frequency converter cabinet body (1).
3. The energy-saving modified heat dissipation system of the high-voltage frequency converter according to claim 1, wherein: the circulating air duct (2) comprises an indoor section and an outdoor section, an air inlet of the wall cavity (7) is communicated to the exhaust pipe (51), and an air outlet of the wall cavity (7) is communicated to the indoor section.
4. The energy-saving modified heat dissipation system of the high-voltage frequency converter according to claim 1, wherein: the circulating air duct (2) comprises an indoor section and an outdoor section, an air inlet of the wall cavity (7) is communicated to the exhaust pipe (51), and an air outlet is communicated to the outdoor section.
5. The energy-saving modified heat dissipation system of the high-voltage frequency converter as claimed in claim 3 or 4, wherein: the air inlet is located on the upper portion of the wall cavity (7), and the two air outlets are located on the lower portions of the two wall cavities (7) respectively.
6. The energy-saving modified heat dissipation system of the high-voltage frequency converter according to claim 1, wherein: the cooling circulating water system (8) comprises a circulating water tank (81), a centrifugal pump (82) and a cooling water tower (83), the circulating water tank (81) is communicated to a water inlet of the heat exchanger (4), a water outlet of the heat exchanger (4) is communicated to the cooling water tower (83), and the cooling water tower (83) is communicated to the circulating water tank (81); the centrifugal pump (82) is used for pumping the cooling water of the circulating water tank (81) to the heat exchanger (4) and the cooling water tower (83).
7. The energy-saving modified heat dissipation system of the high-voltage frequency converter according to claim 1, wherein: and a heat insulation layer is arranged outside the circulating air duct (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987901.9U CN211128755U (en) | 2019-11-15 | 2019-11-15 | Energy-saving and reconstruction heat dissipation system of high-voltage frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987901.9U CN211128755U (en) | 2019-11-15 | 2019-11-15 | Energy-saving and reconstruction heat dissipation system of high-voltage frequency converter |
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| Publication Number | Publication Date |
|---|---|
| CN211128755U true CN211128755U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921987901.9U Expired - Fee Related CN211128755U (en) | 2019-11-15 | 2019-11-15 | Energy-saving and reconstruction heat dissipation system of high-voltage frequency converter |
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| CN (1) | CN211128755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112135478A (en) * | 2020-09-07 | 2020-12-25 | 中铝矿业有限公司 | Energy-conserving high-voltage inverter cooling system |
-
2019
- 2019-11-15 CN CN201921987901.9U patent/CN211128755U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112135478A (en) * | 2020-09-07 | 2020-12-25 | 中铝矿业有限公司 | Energy-conserving high-voltage inverter cooling system |
| CN112135478B (en) * | 2020-09-07 | 2023-01-31 | 中铝矿业有限公司 | Energy-conserving high-voltage inverter cooling system |
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Granted publication date: 20200728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |