CN109600959B - Traction converter integrated air conditioning device - Google Patents
Traction converter integrated air conditioning device Download PDFInfo
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- CN109600959B CN109600959B CN201710919373.2A CN201710919373A CN109600959B CN 109600959 B CN109600959 B CN 109600959B CN 201710919373 A CN201710919373 A CN 201710919373A CN 109600959 B CN109600959 B CN 109600959B
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- traction converter
- evaporator
- air inlet
- cooling
- compressor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20936—Liquid coolant with phase change
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a traction converter integrated air conditioning device, which comprises: the casing, the inside of casing is provided with the baffle, and the baffle is separated into equipment district and cooling space with the casing. The equipment area is provided with a compressor, a condenser and a throttling device which are connected in sequence. The evaporator and the circulating fan are arranged in the cooling area, the compressor and the throttling device are also respectively connected with the evaporator, and an air inlet and an air outlet are arranged on the shell positioned in the cooling area. The invention can solve the technical problem that the environmental temperature in the existing locomotive traction converter cabinet is controlled by the water-air heat exchanger, and when the external environmental temperature is higher, the environmental temperature in the cabinet can be correspondingly increased, so that the converter fault is easily caused.
Description
Technical Field
The invention relates to the technical field of current transformation, in particular to a traction converter integrated air conditioning device.
Background
The traction converter is used as a key device in an electric locomotive, and mainly has the functions of converting electric energy between a direct current system and an alternating current system and playing a role in controlling and regulating various traction motors so as to control the operation of the locomotive. The traction converter mainly comprises a high-power diode, a thyristor, a capacitor, a reactor and the like. The traction converter is developing towards the direction of high power, complete regulation and control performance and no interference to communication and power grid. Because the traction converter usually works in a high-temperature environment, due to the rise of the external environment temperature, the critical devices such as the IGBT of the locomotive traction converter are very easy to cause faults due to overhigh temperature, and therefore the heat dissipation of the traction converter is very important.
The overhigh ambient temperature in the cabinet is one of the main factors causing the fault of the locomotive traction converter, and in the practical application environment, once the external ambient temperature is higher, the fault rate of the traction converter is increased. At present, heat dissipation in the traction converter cabinet is mainly cooled through a water-air heat exchanger, and particularly, a branch of a water cooling system is connected with the water-air heat exchanger in the cabinet, so that cooling water exchanges heat with circulating air in the cabinet, the ambient temperature in the cabinet is reduced, and the technical problem that the ambient temperature in the cabinet is increased simply and cannot be solved through cooling of the water-air heat exchanger. But the cooling effect of this method depends on the temperature of the external environment. If the external environment temperature is higher, the environment temperature in the cabinet is also correspondingly increased. When hot weather occurs in summer, the temperature of the cooling water also rises, which leads to an increase in the ambient temperature in the traction converter cabinet. Electronic devices operate at high ambient temperatures and are prone to failure.
Disclosure of Invention
In view of the above, the present invention provides a traction converter integrated air conditioning device, so as to solve the technical problem that when the external ambient temperature is high, the ambient temperature in the cabinet is also correspondingly increased, so that the converter fault is easily caused, since the ambient temperature in the traction converter cabinet of the existing locomotive is controlled by a water-air heat exchanger.
In order to achieve the above object, the present invention specifically provides a technical implementation scheme of a traction converter integrated air conditioner, which includes: the casing, the inside of casing is provided with the baffle, the baffle will the casing is divided into equipment district and cooling space. The equipment area is provided with a compressor, a condenser and a throttling device which are sequentially connected. The cooling area is provided with an evaporator and a circulating fan, the compressor and the throttling device are respectively connected with the evaporator, and an air inlet and an air outlet are formed in the shell of the cooling area.
Preferably, the air inlet comprises a first air inlet arranged at the top of the shell.
Preferably, the air inlet further comprises a second air inlet arranged on the shell and opposite to the air outlet.
Preferably, the equipment area is arranged below one side, close to the second air inlet, of the inside of the shell.
Preferably, the equipment area is further provided with a liquid storage tank for storing a refrigerant, and the liquid storage tank is connected between the condenser and the throttling device.
Preferably, the equipment area is further provided with a dry filter, and the dry filter is connected between the condenser and the liquid storage tank.
Preferably, the compressor, the condenser, the drying filter, the liquid storage tank and the throttling device are connected in sequence.
Preferably, the circulating fan is arranged between the evaporator and the air outlet.
Preferably, the integrated air conditioning device is arranged inside a cabinet of the traction converter.
Preferably, after the integrated air conditioning device starts to work, cooling water provided by a water cooling system of the traction converter passes through the condenser and exchanges heat with a refrigerant in the condenser, the liquefied refrigerant passes through the drying filter and the liquid storage tank and then enters the evaporator through the throttling device, high-temperature air in the traction converter cabinet enters the cooling area through the air inlet through the circulating fan, and then the high-temperature air and the evaporator perform sufficient heat exchange and then return to the interior of the traction converter cabinet through the air outlet. Refrigerant vapor in the evaporator is sucked by the compressor, compressed and then delivered to the condenser.
Preferably, high-temperature air inside the traction converter cabinet enters the cooling area through the first air inlet and the second air inlet.
Preferably, the equipment area is further provided with a driving control panel for performing overall logic control on the integrated air conditioning device, and the driving control panel is respectively connected with the circulating fan, the compressor and the throttling device.
Preferably, the equipment area is further provided with a power supply, and the power supply supplies power to the driving control board, the circulating fan, the throttling device and the compressor.
Through the implementation of the technical scheme of the traction converter integrated air conditioning device provided by the invention, the traction converter integrated air conditioning device has the following beneficial effects:
(1) the invention can effectively reduce the environmental temperature in the cabinet of the traction converter, protect the normal operation of the converter, reduce the phenomenon that the heat of a compressor and the like is transferred to cooled air by reasonably arranging a cooling area and an equipment area, and ensure the full cooling in the cabinet body of the traction converter;
(2) the invention has compact structure and stable work, can reduce the loss of pipeline cold quantity and harmful overheating, and improves the application energy efficiency of the device;
(3) the invention adopts an integrated design and an integrated modular structure form, and is convenient to install and overhaul.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other embodiments can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of a traction converter integrated air conditioner of embodiment 1 of the present invention;
fig. 2 is an internal structural schematic diagram of a traction converter integrated air conditioner 1 in a right view direction according to an embodiment of the present invention;
FIG. 3 is a schematic view of the installation structure of the traction converter integrated air conditioning apparatus of the present invention in the traction converter;
FIG. 4 is a schematic structural diagram of a traction converter integrated air conditioner of embodiment 2 of the present invention;
fig. 5 is an internal structural schematic diagram of a traction converter integrated air conditioner of embodiment 2 of the present invention in a right view direction;
in the figure: 1-shell, 2-first air inlet, 3-second air inlet, 4-cooling water inlet, 5-cooling water outlet, 6-condenser, 7-compressor, 8-partition plate, 9-evaporator, 10-circulating fan, 11-air outlet, 12-drying filter, 13-liquid storage tank, 14-throttling device, 15-power supply, 16-driving control panel, 100-integrated air conditioning device, 200-traction converter, 300-equipment area and 400-cooling area.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, an embodiment of a traction converter integrated air conditioner according to the present invention is shown, and the present invention will be further described with reference to the accompanying drawings and the embodiment.
Example 1
As shown in fig. 1 and 2, an embodiment of a traction converter integrated air conditioner includes: the shell 1, the inside of shell 1 is provided with baffle 8, and baffle 8 divides shell 1 into equipment district 300 and cooling space 400. The equipment area 300 is provided with a condenser 6, a compressor 7, a drying filter 12, a liquid storage tank 13 and a throttling device 14, the cooling area 400 is provided with an evaporator 9 and a circulating fan 10, and an air inlet and an air outlet 11 are arranged on the shell 1 positioned in the cooling area 400. Wherein, the drying filter 12 and the liquid storage tank 13 can be increased or decreased according to the practical specific application condition.
The air inlet comprises a first air inlet 2 arranged at the top of the shell 1. The air inlet also comprises a second air inlet 3 which is arranged on the shell 1 and is opposite to the air outlet 11. The high-temperature air inside the cabinet of the traction converter 200 enters the cooling area 400 through the first air inlet 2 and the second air inlet 3. As shown in fig. 1, a is the top of the housing 1, B is the bottom of the housing 1, C is the left side of the housing 1, and D is the right side of the housing 1. As a typical embodiment of the present invention, the housing 1 includes two air inlets and an air outlet 11, wherein the first air inlet 2 and the second air inlet 3 are respectively disposed on the upper side and the right side of the housing 1, and the air outlet 11 is disposed on the left side of the housing 1. The integrated air conditioning device 100 described in the embodiment of the present invention is advantageous to reduce the heat transfer of the compressor 7 itself to the cooled air by providing the independent equipment area 300 and the cooling area 400 and separating other components except the cooling area 400 by a special internal air duct design, so as to ensure the lowest outlet air temperature.
As shown in fig. 1, the equipment area 300 is further disposed below a side of the inside of the casing 1 near the second air inlet 3. The circulating fan 10 is further disposed between the evaporator 9 and the air outlet 11. In the equipment area 300, the compressor 7, the condenser 6, the drying filter 12, the liquid storage tank 13 and the throttling device 14 are connected in sequence, and the condenser 6 is further connected with an external cooling pipeline through the cooling water inlet 4 and the cooling water outlet 5. The condenser 6 further employs a plate heat exchanger, and the evaporator 9 further employs a parallel flow evaporator. The evaporator 9 is a device for transporting cold, and the refrigerant absorbs the heat of the cooled object to realize refrigeration. The compressor 7 functions to suck, compress, and deliver refrigerant vapor. The condenser 6 is a device for emitting heat, and transfers the heat absorbed in the evaporator 9 to a cooling medium (i.e. cooling water) together with the heat converted by the work done by the compressor 7 for carrying away. The receiver tank 13 is for storing refrigerant. The throttling device 14 performs a throttling pressure reduction function on the refrigerant while controlling and regulating the amount of refrigerant liquid flowing into the evaporator 9.
As shown in fig. 2, the equipment area 300 is further provided with a drive control board 16 for performing overall logic control on the integrated air conditioner 100, and the drive control board 16 is connected to the circulating fan 10, the compressor 7, and the throttling device 14, respectively. The equipment area 300 is also arranged with a power supply 15, the power supply 15 supplying power to the drive control board 16, the circulating fan 10, the throttle device 14, and the compressor 7. As shown in fig. 2, a is the top of the housing 1, B is the bottom of the housing 1, E is the front side of the housing 1 (downward in the view shown in fig. 1), and F is the rear side of the housing 1 (downward in the view shown in fig. 1). As a typical embodiment of the present invention, the main components such as the compressor 7, the condenser 6, the reservoir 13, the throttle device 14, the power supply 15, the drive control board 16, and the dry filter 12 are disposed at the lower right of the casing 1, the compressor 7, the condenser 6, the reservoir 13, the throttle device 14, and the dry filter 12 are connected together by copper pipes, and an interface (not shown) is formed above the partition plate 8. The circulating fan 10 and the evaporator 9 are both arranged on the left side of the shell 1 and are close to each other, and the evaporator 9 is connected with a joint (not shown in the figure) reserved above the partition plate 8 through a copper pipe to form a refrigerant circulation loop.
As shown in fig. 3, the integrated air conditioner 100 is disposed inside the cabinet of the traction converter 200. The integrated air conditioner 100 according to the embodiment of the present invention adopts an integrated design, integrates the whole air conditioner into one module, and reserves a cooling water interface (as shown in G and H in fig. 3) and an electrical interface (as shown in I in fig. 3), thereby facilitating installation and maintenance. As shown in fig. 1, 2 and 3, when the integrated air conditioner 100 starts to work, cooling water provided by the water cooling system of the traction converter 200 passes through the condenser 6, exchanges heat with the refrigerant in the condenser 6, the liquefied refrigerant passes through the drying filter 12 and the liquid storage tank 13, then enters the evaporator 9 through the throttling device 14, and then enters the cooling area 400 through the air inlet by passing through the circulating fan 10, and returns to the inside of the cabinet of the traction converter 200 through the air outlet 11 after sufficient heat exchange with the evaporator 9. The refrigerant vapor in the evaporator 9 is sucked into and compressed by the compressor 7, and then sent to the condenser 6, thereby realizing the entire refrigerant circulation circuit.
Example 2
As shown in fig. 4 and 5, an embodiment of a traction converter integrated air conditioner includes: the shell 1, the inside of shell 1 is provided with baffle 8, and baffle 8 divides shell 1 into equipment district 300 and cooling space 400. The equipment area 300 is provided with a compressor 7, a condenser 6, and a throttle device 14 connected in this order. The cooling area 400 is provided with an evaporator 9 and a circulating fan 10, the compressor 7 and the throttling device 14 are further respectively connected with the evaporator 9, and an air inlet and an air outlet 11 are arranged on the shell 1 located in the cooling area 400.
The air inlet comprises a first air inlet 2 arranged at the top of the shell 1. The air inlet also comprises a second air inlet 3 which is arranged on the shell 1 and is opposite to the air outlet 11. The equipment area 300 is disposed below a side of the inside of the casing 1 near the second air inlet 3. The circulating fan 10 is disposed between the evaporator 9 and the air outlet 11.
The integrated air conditioner 100 is disposed inside the cabinet of the traction converter 200. After the integrated air conditioning device 100 starts to work, cooling water provided by the water cooling system of the traction converter 200 passes through the condenser 6, exchanges heat with a refrigerant in the condenser 6, enters the evaporator 9 through the throttling device 14, and then enters the cooling area 400 through the circulating fan 10, so that high-temperature air inside the cabinet of the traction converter 200 enters the cooling area through the air inlet, and returns to the inside of the cabinet of the traction converter 200 through the air outlet 11 after fully exchanging heat with the evaporator 9. The refrigerant vapor in the evaporator 9 is sucked into and compressed by the compressor 7, and then sent to the condenser 6, thereby realizing the entire refrigerant circulation circuit. The high-temperature air inside the cabinet of the traction converter 200 enters the cooling area 400 through the first air inlet 2 and the second air inlet 3.
The equipment area 300 is also provided with a drive control board 16 for overall logic control of the integrated air conditioner 100, and the drive control board 16 is connected to the circulating fan 10, the compressor 7, and the throttle device 14, respectively. The equipment area 300 is also arranged with a power supply 15, the power supply 15 supplying power to the drive control board 16, the circulating fan 10, the throttle device 14, and the compressor 7.
By implementing the technical scheme of the traction converter integrated air conditioning device described in the specific embodiment of the invention, the following technical effects can be produced:
(1) the traction converter integrated air conditioning device described in the specific embodiment of the invention can effectively reduce the ambient temperature in the traction converter cabinet and protect the converter from normal operation, and by reasonably arranging the cooling area and the equipment area, the phenomenon that the heat of a compressor and the like is transferred to cooled air can be reduced, and the full cooling in the traction converter cabinet body can be ensured;
(2) the traction converter integrated air conditioning device described in the specific embodiment of the invention has the advantages of compact structure and stable work, can reduce the loss of pipeline cold energy and harmful overheating, and improves the application energy efficiency of the device;
(3) the traction converter integrated air conditioning device described in the specific embodiment of the invention adopts an integrated design, integrates a modular structure form and is convenient to install and overhaul.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the spirit and scope of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (6)
1. A traction converter integrated air conditioning device, comprising: the cooling device comprises a shell (1), wherein a partition plate (8) is arranged inside the shell (1), and the shell (1) is divided into an equipment area (300) and a cooling area (400) by the partition plate (8); the equipment area (300) is provided with a compressor (7), a condenser (6) and a throttling device (14) which are connected in sequence; the cooling area (400) is provided with an evaporator (9) and a circulating fan (10), the compressor (7) and the throttling device (14) are also respectively connected with the evaporator (9), and an air inlet and an air outlet (11) are arranged on the shell (1) of the cooling area (400); the air inlet comprises a first air inlet (2) arranged at the top of the shell (1) and a second air inlet (3) arranged on the shell (1) and opposite to the air outlet (11); the equipment area (300) is also provided with a liquid storage tank (13) for storing a refrigerant, and the liquid storage tank (13) is connected between the condenser (6) and the throttling device (14); the equipment area (300) is also provided with a drying filter (12), and the drying filter (12) is connected between the condenser (6) and the liquid storage tank (13); the integrated air conditioning device (100) is arranged inside a cabinet of a traction converter (200); after the integrated air conditioning device (100) starts to work, cooling water provided by a water cooling system of the traction converter (200) passes through the condenser (6) and exchanges heat with a refrigerant in the condenser (6), the liquefied refrigerant passes through the drying filter (12) and the liquid storage tank (13), then enters the evaporator (9) through the throttling device (14), and then enters the cooling area (400) through the air inlet by passing through the circulating fan (10), and returns to the inside of the cabinet of the traction converter (200) through the air outlet (11) after fully exchanging heat with the evaporator (9); refrigerant vapor in the evaporator (9) is sucked in and compressed by the compressor (7) and then delivered to the condenser (6).
2. The traction converter integrated air conditioning apparatus according to claim 1, wherein: the equipment area (300) is arranged below one side, close to the second air inlet (3), of the interior of the shell (1).
3. The traction converter integrated air conditioner as claimed in claim 1 or 2, wherein: the evaporator (9) and the circulating fan (10) are arranged close to the air outlet (11), and the circulating fan (10) is arranged between the evaporator (9) and the air outlet (11).
4. The traction converter integrated air conditioning apparatus according to claim 3, wherein: and high-temperature air in the cabinet of the traction converter (200) enters the cooling area (400) through the first air inlet (2) and the second air inlet (3).
5. The traction converter integrated air conditioning apparatus according to claim 1, 2 or 4, wherein: the equipment area (300) is further provided with a driving control panel (16) used for carrying out overall logic control on the integrated air conditioning device (100), and the driving control panel (16) is respectively connected with the circulating fan (10), the compressor (7) and the throttling device (14).
6. The traction converter integrated air conditioning apparatus according to claim 5, wherein: the equipment area (300) is further provided with a power supply (15), and the power supply (15) supplies power to the driving control board (16), the circulating fan (10), the throttling device (14) and the compressor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919373.2A CN109600959B (en) | 2017-09-30 | 2017-09-30 | Traction converter integrated air conditioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919373.2A CN109600959B (en) | 2017-09-30 | 2017-09-30 | Traction converter integrated air conditioning device |
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| Publication Number | Publication Date |
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| CN109600959A CN109600959A (en) | 2019-04-09 |
| CN109600959B true CN109600959B (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710919373.2A Active CN109600959B (en) | 2017-09-30 | 2017-09-30 | Traction converter integrated air conditioning device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012072975A (en) * | 2010-09-29 | 2012-04-12 | Toshiba Corp | System and method for ventilation air conditioning |
| CN103438513A (en) * | 2013-09-12 | 2013-12-11 | 杨肇通 | Upper-air-outlet water-blowing proof and side-wall installed cabinet air conditioner |
| CN203628855U (en) * | 2013-09-12 | 2014-06-04 | 杨肇通 | Side wall mounted cabinet air conditioner with upper air outlet and water blowing resistance |
| CN104362835A (en) * | 2014-11-25 | 2015-02-18 | 南车株洲电力机车研究所有限公司 | Thermal management system for motor car traction converter |
| CN205678782U (en) * | 2016-06-08 | 2016-11-09 | 苏州浩佳节能科技有限公司 | Energy-saving three-dimensional heat pipe machine cabinet air-conditioner |
-
2017
- 2017-09-30 CN CN201710919373.2A patent/CN109600959B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012072975A (en) * | 2010-09-29 | 2012-04-12 | Toshiba Corp | System and method for ventilation air conditioning |
| CN103438513A (en) * | 2013-09-12 | 2013-12-11 | 杨肇通 | Upper-air-outlet water-blowing proof and side-wall installed cabinet air conditioner |
| CN203628855U (en) * | 2013-09-12 | 2014-06-04 | 杨肇通 | Side wall mounted cabinet air conditioner with upper air outlet and water blowing resistance |
| CN104362835A (en) * | 2014-11-25 | 2015-02-18 | 南车株洲电力机车研究所有限公司 | Thermal management system for motor car traction converter |
| CN205678782U (en) * | 2016-06-08 | 2016-11-09 | 苏州浩佳节能科技有限公司 | Energy-saving three-dimensional heat pipe machine cabinet air-conditioner |
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| CN109600959A (en) | 2019-04-09 |
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