CN112441040A - Heat energy circulating system for locomotive - Google Patents
Heat energy circulating system for locomotive Download PDFInfo
- Publication number
- CN112441040A CN112441040A CN201910833019.7A CN201910833019A CN112441040A CN 112441040 A CN112441040 A CN 112441040A CN 201910833019 A CN201910833019 A CN 201910833019A CN 112441040 A CN112441040 A CN 112441040A
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- Prior art keywords
- heat
- condensing
- heat dissipation
- signal
- cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0036—Means for heating only
- B61D27/0054—Means for heating only combined with heating means using recuperated energy from other sources, e.g. from the brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
Abstract
The invention relates to a heat energy circulating system for a locomotive, which comprises a radiator arranged in a cab of the locomotive and a condensing tank connected with a water outlet end of the radiator, wherein a control valve is arranged between the radiator and the condensing tank; the heat exchanger comprises a heat-generating space, a heat-exchanging pipe and a plurality of radiating fins, wherein the plurality of radiating fins are fixedly arranged at the top of the heat-generating space, the radiating cavity is arranged above the heat-generating space, and the heat-exchanging pipe is arranged in the radiating cavity; one end of the heat exchange tube is provided with a three-way exchange valve which is communicated with the water inlet end of the heating radiator, and the water outlet end of the condensation tank is communicated with the heat exchange tube through a power source; the heat of the heat generating space is absorbed by the heat exchange agent in the heat exchange pipe and is conveyed into the heater so as to realize the heating of the cab. The invention has the effect of utilizing the heat of the heat generating space of the locomotive.
Description
Technical Field
The invention relates to the technical field of heat energy recycling, in particular to a heat energy circulating system for a locomotive.
Background
At present, in the process of a locomotive going downhill, a retarder needs to be opened in order to control the speed of the locomotive, at the moment, a storage battery of the locomotive supplies power to the retarder, and the retarder generates reverse torque opposite to a torque converter output by an engine torque converter after being electrified, so that the speed of the locomotive going downhill is reduced; however, in the process, the retarder can generate a large amount of heat, so that a space where the retarder is located generates a large amount of heat, and the space where the retarder is located becomes a heat generating space; if the heat is not discharged in time, the retarder can be damaged due to overhigh temperature of the working environment, and if the heat is simply discharged, the waste is relatively large.
Disclosure of Invention
The invention aims to provide a heat energy circulating system for a locomotive, which can realize the utilization of heat of a heat generating space of the locomotive.
The above object of the present invention is achieved by the following technical solutions:
a heat energy circulating system for a locomotive comprises a radiator arranged in a cab of the locomotive and a condensing tank connected with a water outlet end of the radiator, wherein a control valve is arranged between the radiator and the condensing tank; the heat exchanger comprises a heat-generating space, a heat-exchanging pipe and a plurality of radiating fins, wherein the plurality of radiating fins are fixedly arranged at the top of the heat-generating space, the radiating cavity is arranged above the heat-generating space, and the heat-exchanging pipe is arranged in the radiating cavity; one end of the heat exchange tube is provided with a three-way exchange valve which is communicated with the water inlet end of the heating radiator, and the water outlet end of the condensation tank is communicated with the heat exchange tube through a power source; the heat of the heat generating space is absorbed by the heat exchange agent in the heat exchange pipe and is conveyed into the heater so as to realize the heating of the cab.
Through adopting above-mentioned technical scheme, when meetting extremely cold weather, the heat that the heat production space produced transmits to hot exchange pipe through the fin, absorbs through the heat exchange agent in the hot exchange pipe again, and the heat exchange agent gets into the radiator and realizes being the heating to the driver's cabin, and the radiator of accomplishing the heating afterwards cools off in getting into the condensing tank to the realization is to the thermal utilization in heat production space, and the realization is to the cooling refrigeration in heat production space.
The invention is further configured to: and a three-way condensing valve is arranged at one end of the three-way exchange valve close to the heating radiator, the three-way condensing valve is respectively connected to the three-way exchange valve, the condensing tank and the heating radiator, and a heat exchanger enters the condensing tank through the three-way condensing valve for condensation when heating is not needed.
By adopting the technical scheme, when the heat exchange agent of the heat exchange pipe needs to be cooled, the three-way exchange valve is opened and the interface between the three-way condensing valve and the heating radiator is closed, so that the heat exchange agent absorbing heat directly enters the condensing tank to be cooled, and the heat exchange agent is rapidly cooled.
The invention is further configured to: the three-way exchange valve is connected with a condensing system, the condensing system comprises an evaporator connected with the three-way exchange valve, a compressor connected with the output end of the evaporator and an outer condensing pipe connected with the compressor, the outer condensing pipe is positioned on the outer surface of the locomotive, and one end, far away from the compressor, of the outer condensing pipe is connected with a condensing tank.
Through adopting above-mentioned technical scheme, open the tee bend condensate valve, make heat exchange agent carry out heat exchange through outer tub of condensing with the outside air to improve heat exchange efficiency.
The invention is further configured to: the condensing pipe is wound on the outer condensing pipe, and condensing agents are filled in the condensing pipe.
Through adopting above-mentioned technical scheme, the condensing agent of condenser pipe absorbs the heat of tub to congeal outward to strengthen the cooling effect of tub.
The invention is further configured to: the power source is a water pump.
By adopting the technical scheme, when the heat exchange efficiency is not enough to meet the requirement, the water pump is started, so that the flowing speed of the heat exchange agent is accelerated, and the heat exchange efficiency is improved.
The invention is further configured to: the condensation tank is characterized in that a condensation cavity is arranged on the outer periphery of the condensation tank in a surrounding mode, a heat insulation layer is arranged on the outer surface of the condensation cavity, and a condensing agent is filled in the condensation cavity.
Through adopting above-mentioned technical scheme, the condensing agent can carry out rapid cooling to the heat exchange agent in the condensate tank to improve heat exchange efficiency.
The invention is further configured to: the heat dissipation intracavity is equipped with temperature sensor, temperature sensor is connected with heat dissipation control system, heat dissipation control system includes:
the temperature sensing module is arranged in the heat dissipation cavity and used for detecting the temperature in the heat dissipation cavity; when the temperature in the heat dissipation cavity is sensed, outputting a temperature sensing signal;
the central control module is connected with the temperature sensing module and used for receiving the temperature sensing signal, comparing the temperature sensing signal with a preset value when the temperature sensing signal is received, and outputting an action signal when the temperature sensing signal is greater than the preset value;
and the action module is connected with the central control module and used for receiving the action signal, and when the action signal is received, the action module acts.
By adopting the technical scheme, when the temperature sensing module senses the temperature in the heat dissipation cavity, the temperature sensing signal is output; when the central control module receives the temperature sensing signal, outputting an action signal; when the action module receives the action signal, the action module acts, so that the flowing speed of the heat exchange agent in the heat exchange pipe is accelerated, and the heat exchange efficiency is improved.
The invention is further configured to: the heat dissipation control system also comprises a humidity sensing module, wherein the humidity sensing module is arranged in the heat dissipation cavity and used for detecting the humidity in the heat dissipation cavity; when the humidity in the heat dissipation cavity is sensed, a humidity sensing signal is output.
Through adopting above-mentioned technical scheme, the module is used for detecting the humidity of heat dissipation intracavity is felt to the humidity to make staff's technique carry out the humidification or dispel the damp to the humidity of heat dissipation intracavity, thereby avoid heat dissipation chamber humidity too high and influence the life of heat dissipation intracavity circuit.
The invention is further configured to: the central control module is also connected with a display unit for receiving the humidity signal and the temperature signal, and displaying the temperature signal and the humidity signal after receiving the humidity signal and the temperature signal.
Through adopting above-mentioned technical scheme, the display element can show the temperature and the humidity condition in the heat dissipation intracavity, makes the staff adjust according to the testing condition.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the heat exchange tube and the condensing tank filled with the heat exchange agent are arranged, so that heat generated by a heat generating space can be rapidly discharged, and the heat exchange efficiency is improved;
2. by arranging the external condensation pipe, the heat exchange efficiency can be improved by increasing the heat exchange way;
3. through setting up heat dissipation control system, can realize the control to the radiating process, improve the convenience and monitor the radiating process.
Drawings
FIG. 1 is a half sectional view of the structure of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
FIG. 3 is a schematic diagram of the structure of a condensation tank in the present invention.
Fig. 4 is a system diagram of a heat dissipation control system according to the present invention.
In the figure, 1, a heat-generating space; 2. a heat dissipation cavity; 21. a heat sink; 22. an evaporator; 23. a compressor; 24. an expansion valve; 3. a heat exchange tube; 31. a three-way crossover valve; 4. a condensing tank; 41. a condensation chamber; 5. heating radiators; 51. a control valve; 6. a three-way condensing valve; 61. an external coagulation tube; 62. a condenser tube; 7. a water pump; 8. a heat dissipation control system; 81. a temperature sensing module; 82. a central control module; 83. an action module; 84. a wetness sensation module; 85. a display unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the heat energy circulation system for the locomotive disclosed by the invention comprises a radiator 5 arranged in a locomotive cab, a heat dissipation cavity 2 arranged above a heat generating space 1 at a power source of the locomotive and a heat exchange tube 3 arranged in the heat dissipation cavity 2, wherein a heat exchange agent is filled in the heat exchange tube 3, and a heat insulation plate is arranged on the cavity wall of a bottom cavity of the heat dissipation cavity 2; the top of the heat generating space 1 is inserted with a plurality of radiating fins 21, and the radiating fins 21 are arranged in the heat generating space 1 in a penetrating way and are tightly attached to the outer surface of the heat exchange tube 3; one end of the heat exchange tube 3 is connected with a three-way exchange valve 31, the three-way exchange valve 31 is communicated with the water inlet end of the radiator 5, the water outlet end of the radiator 5 is connected with a condensing tank 4, the condensing tank 4 is communicated with the heat exchange tube 3 through a power source, and a heat insulation plate is arranged between the space where the condensing tank 4 is located and the heat dissipation cavity 2; wherein, a control valve 51 is arranged between the condensing tank 4 and the water outlet end of the heating radiator 5, and in this embodiment, in order to improve the heat exchange efficiency, the heat exchange agent can be isopropanol or cold water; wherein the power source is provided as a water pump 7.
The heat of the heat-generating space 1 is conducted into the heat-radiating cavity 2 through the heat radiating fins 21 and absorbed by the heat exchange agent in the heat exchange tube 3, then the heat exchange agent is pumped by the water pump 7, so that the heat exchange agent flows along the heat exchange tube 3 to take away the heat from the heat-generating space 1, and then the heat exchange agent enters the radiator 5 to realize the heating of the locomotive cab in extremely cold weather; then the heat exchange agent in the radiator 5 enters a condensing tank 4 for cooling to realize the cooling of the heat exchange agent, and then a water pump 7 pumps the cooled heat exchange agent to the heat exchange tube 3 in the heat dissipation cavity 2 again to realize the heat dissipation of the heat generating space 1; the heat utilization rate of the heat generating space 1 is improved.
In order to increase the cooling speed of the condensing tank 4 on the heat exchange agent, referring to fig. 3, a condensing cavity 41 is arranged on the periphery of the condensing tank 4, and the condensing cavity 41 is filled with the condensing agent; the condensation chamber 4 is surrounded by a thermal insulation layer 42, so that the influence of the outside temperature on the condensing agent in the condensation chamber 41 is reduced.
In order to further improve the heat dissipation speed, referring to fig. 2, one end of the heat exchange tube 3 close to the radiator 5 is provided with a three-way condensing valve 6, and the three-way condensing valve 6 is connected to a three-way exchange valve 31, a condensing tank 4 and the radiator; the three-way exchange valve 31 is connected with a condensing system, the condensing system comprises an evaporator 22 connected with the three-way exchange valve 31, a compressor 23 connected with the water outlet end of the evaporator 22 and an external condensing pipe 61 connected with the compressor 23, the external condensing pipe 61 is positioned on the outer surface of the locomotive, one end of the external condensing pipe 61, which is far away from the compressor 23, is connected with a condensing tank 4, and an expansion valve 24 is arranged between the condensing tank 4 and the water pump 7; a condensing pipe 62 is wound outside the outer condensing pipe 61, and condensing agent is filled in the condensing pipe 62; when the heat dissipation efficiency of the condensing tank 4 is insufficient, the three-way exchange valve 31 is opened, the interface between the three-way condensing valve 6 and the heating radiator 5 is closed, so that the heat exchange agent is subjected to heat exchange with the outside air through the external condensing pipe 61 and finally enters the condensing tank 4 for secondary cooling, and the water pump 7 is started simultaneously to accelerate the flow speed of the heat exchange agent, thereby improving the heat exchange efficiency.
Referring to fig. 4, be equipped with a plurality of temperature sensor in the heat dissipation chamber 2, temperature sensor is connected with heat dissipation control system 8, and heat dissipation control system 8 includes:
the temperature sensing module 81 is arranged in the heat dissipation cavity 2 and used for detecting the temperature in the heat dissipation cavity 2; when the temperature in the heat dissipation cavity 2 is sensed, a temperature sensing signal is output; the temperature sensing module 81 is a temperature sensor arranged in the heat dissipation cavity 2; in the embodiment, the temperature sensor is set as an online infrared thermometer with the model of CKDT-A;
the humidity sensing module 84 is arranged in the heat dissipation cavity 2 and used for detecting the humidity in the heat dissipation cavity 2; when the humidity in the heat dissipation cavity 2 is sensed, a humidity sensing signal is output;
the central control module 82 is connected to the temperature sensing module 81 and is used for receiving the temperature sensing signal and the humidity sensing signal; when the temperature sensing signal is received, comparing the temperature sensing signal with a preset value, and outputting an action signal when the temperature sensing signal is greater than the preset value; in the present embodiment, the central control module 82 is configured as a locomotive PLC module with model number DVP12SA 2.
The action module 83 is connected to the central control module 82 and used for receiving the action signal, and when the action signal is received, the action module 83 acts; wherein, the action module 83 is arranged as the air pump 7 electrically connected with the central control module 82.
When the temperature sensing module 81 senses the temperature in the heat dissipation cavity 2, outputting a temperature sensing signal; when the central control module 82 receives the temperature sensing signal, the temperature sensing signal is compared with a preset value, and when the temperature sensing signal is greater than the preset value, an action signal is output; when the operation module 83 receives the operation signal, the operation module 83 operates to increase the flow rate of the heat exchange agent in the heat exchange tube 3, thereby improving the heat exchange efficiency.
For making the temperature condition in the heat dissipation chamber 2 that can audio-visually know of staff, well accuse module 82 is connected with display unit 85, and when well accuse module 82 received temperature sense signal and wet signal, output display signal, display unit 85 will show the signal afterwards to make the temperature and the humidity in the staff can audio-visually know heat dissipation chamber 2.
The implementation principle of the embodiment is as follows: the heat of the heat generating space 1 is conducted into the heat dissipation cavity 2 through the radiating fins 21 and absorbed by the heat exchange agent in the heat exchange tube 3, meanwhile, the temperature sensing module 81 detects the temperature in the heat dissipation cavity 2, and when the temperature sensing module 81 senses the temperature in the heat dissipation cavity 2, a temperature sensing signal is output; when the central control module 82 receives the temperature sensing signal, the temperature sensing signal is compared with a preset value, and when the temperature sensing signal is greater than the preset value, an action signal is output; when the action module 83 receives an action signal, the action module 83 acts, then the water pump 7 pumps the heat exchange agent, so that the heat exchange agent flows along the heat exchange tube 3 to take away heat from the heat generating space 1, then the heat exchange agent enters the condensing tank 4 to be cooled, so that the heat exchange agent is cooled, and then the cooled heat exchange agent is pumped into the heat exchange tube 3 in the heat dissipation cavity 2 again to finish heat dissipation of the heat dissipation cavity 2; when heat supply is needed to the cab of the locomotive, the control valve 51, the three-way condensing valve 61 and the three-way exchange valve 31 are opened, and heat exchange agent enters the radiator 5 to realize heat supply to the cab.
The heat exchange tube 3 and the condensing tank 4 filled with the heat exchange agent are arranged, so that heat generated by a heat generating space can be rapidly discharged, and the heat exchange efficiency is improved; by arranging the external condensation pipe 61, the heat exchange efficiency can be improved by increasing the heat exchange path; through setting up heat dissipation control system 8, can realize the control to the radiating process, improve the convenience and monitor the radiating process.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. A heat energy circulation system for a locomotive is characterized in that: the device comprises a radiator (5) arranged in a locomotive cab and a condensing tank (4) connected with the water outlet end of the radiator (5), wherein a control valve (51) is arranged between the radiator (5) and the condensing tank (4); the heat exchanger is characterized by further comprising a plurality of radiating fins (21) fixedly arranged at the top of the heat generating space (1), a heat radiating cavity (2) arranged above the heat generating space (1) and heat exchanging pipes (3) arranged in the heat radiating cavity (2), wherein heat exchanging agents are filled in the heat exchanging pipes (3), and the radiating fins (21) are arranged in the heat radiating cavity (2) and the heat generating space (1) in a penetrating manner and are tightly attached to the outer surfaces of the heat exchanging pipes (3); one end of the heat exchange tube (3) is provided with a three-way exchange valve (31), the three-way exchange valve (31) is communicated with the water inlet end of the heating radiator (5), and the water outlet end of the condensing tank (4) is communicated with the heat exchange tube (3) through a power source; the heat of the heat generating space (1) is absorbed by the heat exchange agent in the heat exchange tube (3) and is conveyed into the radiator (5) to realize the heating of the cab.
2. The thermal energy cycle system for a locomotive according to claim 1, wherein: one end of the three-way exchange valve (31) close to the heating radiators (5) is provided with a three-way condensing valve (6), the three-way condensing valve (6) is respectively connected to the three-way exchange valve (31), the condensing tank (4) and the heating radiators (5), and a heat exchanger enters the condensing tank (4) through the three-way condensing valve (6) to be condensed when heating is not needed.
3. The thermal energy cycle system for a locomotive according to claim 2, wherein: the three-way exchange valve (31) is connected with a condensing system, the condensing system comprises an evaporator (22) connected with the three-way exchange valve (31), a compressor (23) connected with the output end of the evaporator (22) and an outer condensing pipe (61) connected with the compressor (23), the outer condensing pipe (61) is located on the outer surface of the locomotive, and one end, far away from the compressor (23), of the outer condensing pipe (61) is connected with a condensing tank (4).
4. The thermal energy cycle system for a locomotive according to claim 3, wherein: the condensing pipe (62) is wound on the outer condensing pipe (61), and condensing agents are filled in the condensing pipe (62).
5. The thermal energy cycle system for a locomotive according to claim 1, wherein: the power source is a water pump (7).
6. The thermal energy cycle system for a locomotive according to claim 1, wherein: the condensing tank is characterized in that a condensing cavity (41) is arranged on the outer periphery of the condensing tank (4), a heat insulation layer (42) is arranged on the outer surface of the condensing cavity (41), and condensing agents are filled in the condensing cavity (41).
7. The thermal energy cycle system for a locomotive according to claim 1, wherein: be equipped with temperature sensor in heat dissipation chamber (2), temperature sensor is connected with heat dissipation control system (8), heat dissipation control system (8) include:
the temperature sensing module (81) is arranged in the heat dissipation cavity (2) and used for detecting the temperature in the heat dissipation cavity (2); when the temperature in the heat dissipation cavity (2) is sensed, a temperature sensing signal is output;
the central control module (82) is connected with the temperature sensing module (81) and used for receiving the temperature sensing signal and outputting an action signal when receiving the temperature sensing signal;
and the action module (83) is connected with the central control module (82) and is used for receiving the action signal, and when the action signal is received, the action module (83) acts.
8. The thermal energy cycle system for a locomotive according to claim 7, wherein: the heat dissipation control system (8) further comprises a humidity sensing module (84), wherein the humidity sensing module (84) is arranged in the heat dissipation cavity (2) and is used for detecting the humidity in the heat dissipation cavity (2); when the humidity in the heat dissipation cavity (2) is sensed, a humidity sensing signal is output.
9. The thermal energy cycle system for a locomotive according to claim 7, wherein: the central control module (82) is also connected with a display unit (85) for receiving the humidity signal and the temperature signal, and displaying the temperature signal and the humidity signal after receiving the humidity signal and the temperature signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833019.7A CN112441040B (en) | 2019-09-04 | 2019-09-04 | Heat energy circulating system for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833019.7A CN112441040B (en) | 2019-09-04 | 2019-09-04 | Heat energy circulating system for locomotive |
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| CN112441040A true CN112441040A (en) | 2021-03-05 |
| CN112441040B CN112441040B (en) | 2022-04-01 |
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| CN201910833019.7A Active CN112441040B (en) | 2019-09-04 | 2019-09-04 | Heat energy circulating system for locomotive |
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| Publication number | Publication date |
|---|---|
| CN112441040B (en) | 2022-04-01 |
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