CN202304072U - Vehicle-mounted refrigeration equipment driven by residual heat of engine - Google Patents
Vehicle-mounted refrigeration equipment driven by residual heat of engine Download PDFInfo
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- CN202304072U CN202304072U CN2011203740175U CN201120374017U CN202304072U CN 202304072 U CN202304072 U CN 202304072U CN 2011203740175 U CN2011203740175 U CN 2011203740175U CN 201120374017 U CN201120374017 U CN 201120374017U CN 202304072 U CN202304072 U CN 202304072U
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Abstract
The utility model relates to vehicle-mounted refrigeration equipment driven by residual heat of an engine. The vehicle-mounted refrigeration equipment includes a generator, a condenser, an evaporator, an absorber, as well as a generator heating cycle loop, a solution loop and a cooling medium water loop that are arranged between the generator and the engine, wherein the solution loop is provided with a strong solution passage and a dilute solution passage that are provided with pumps and electromagnetic valves. Through arranging the strong solution passage and the dilute solution passage directly between the generator and the absorber in the solution loop, and through arranging the pumps and the electromagnetic valves on the strong solution passage and the dilute solution passage respectively, the high-pressure area and the low-pressure area can be controlled through the electromagnetic valves and the pumps in a linkage manner rather than the liquid level difference of a U-shaped pipe in the prior art; and compared with the control mode of the U-shaped pipe, the vehicle-mounted refrigeration equipment has a smaller size, and is more suitable for being installed on vehicle bodies of large and medium-size vehicles.
Description
[technical field]
The utility model relates to a kind of vehicle-mounted refrigeration plant, more particularly, relates to a kind of vehicle-mounted refrigeration plant that utilizes engine exhaust heat to drive that adapts to big-and-middle-sized car.
[background technology]
In the prior art, utilize the technology of thermal refrigerating that two kinds of implementations are arranged usually: absorption and absorption type.The volume of these two kinds of refrigeration plants is all big than present widely used compression refrigeration equipment, and wherein absortion type refrigerating equipment is more much bigger than absorption refrigeration plant again.If utilize engine exhaust heat to vehicle cold energy to be provided,, adopt sorption type refrigerating technology relatively to have superiority from the angle of volume and weight as driving force.For car, light-duty and miniature each car; Under the chassis, do not have unnecessary space in roof and the engine bin, have only large and medium bus, engineering truck, field operation vehicle, some military vehicle etc. to have sufficient space that the lithium bromide absorbing type refrigeration equipment of afterheat driven is installed.
In addition, the sorption type refrigerating technology that utilizes heat energy to drive that is fixedly installed on ground has been attained maturation.At last decade, the Absorption Refrigerator of China research and development all has tremendous development aspect two of quality and quantities, is driving aspect the heat energy, successfully develops the air-conditioning product of steam-type, combustion type, fuel oil, hot water, exhaust steam, waste gas; Aspect effect number and progression, single-action, economic benefits and social benefits, triple effect, single-stage, twin-stage are arranged; On capacity, contained 10～5500KW refrigeration scope.
Absorption system normally is made up of generator, condenser, cold-producing medium choke valve, evaporimeter, absorber, refrigerant pump and solution pump.Whole system comprises two loops: one is the water as refrigerant loop, and one is solution loop.The working fluid that uses in the system is water as refrigerant and absorbent, and absorbent forms solution after having absorbed the water as refrigerant that liquefies, and the solution heating can be emitted refrigerant vapour again.The water as refrigerant loop is made up of condenser, cold-producing medium choke valve, evaporimeter, refrigerant pump usually.Refrigerant vapour is condensed in condenser, and the water as refrigerant of generation is delivered to evaporimeter with refrigerant pump and evaporated after the throttling of refrigeration choke valve, and then environment is freezed.Solution loop is made up of generator, absorber, U-shaped pipe, solution heat exchanger and solution pump.In absorber, absorbent absorbs the low pressure refrigerant vapour of flash-pot, forms the weak solution that is rich in water as refrigerant, and this weak solution is delivered to generator with solution pump; After heating, the water as refrigerant in the weak solution is evaporated again, forms refrigerant vapour and is admitted to condenser.On the other hand, the weak solution after the generation returns to original high concentration again, forms concentrated solution and is admitted to absorber, absorbs the refrigerant vapour of flash-pot again.Follow released heat in the absorption process, carry out smoothly, need cooling and absorbing liquid for what guarantee to absorb.Present equipment usually can be provided with one section U type pipe between generator and absorber, when generator or one of them liquid level of absorber are too high, because the pressure of solution itself can make solution flow to another side through U type pipe; Simultaneously the solution that retains of U-shaped pipe the inside has guaranteed that again both sides pressure can not scurry logical; But the shortcoming of U-shaped pipe is to require to have certain height, too high U-shaped pipe to be not suitable for being installed in the confined space in the car body.
If can utilize the afterheat driven vehicle air conditioner of vehicle motor, for the compartment provides cold air, winter in summer warm braw is provided, can reach energy-conservation effect.Study at present the key technology that this project need solve in the world and mainly contain the following aspects:
(1) ripe heat refrigeration plant can't directly be applied on the vehicle that the space is narrow, load-carrying is limited because bulky and weight are excessive.
(2) ripe heat refrigeration plant can't be applied to the vehicle of bad working environments such as jolting, rock owing to can only be used under the static situation of ground.
(3) under the engine idling condition of big-and-middle-sized vehicle (speed of a motor vehicle is less than 10km/h), the waste heat of engine water tank and tail gas is not enough to drive refrigerating plant and in the compartment, supplies enough cold air.
[utility model content]
The technical problem underlying that the utility model will solve is; Because of the bulky defective that can't install concentratedly on big-and-middle-sized vehicle, provide a kind of volume littler and more adapt to the vehicle-mounted refrigeration plant that utilizes engine exhaust heat to drive of big-and-middle-sized car to the absorption refrigeration equipment of the heat drive that exists in the prior art.
The utility model solves the technical scheme that its technical problem adopted: construct a kind of vehicle-mounted refrigeration plant that utilizes engine exhaust heat to drive; Comprise generator, condenser, evaporimeter, absorber; It is characterized in that, also comprise the generator heat cycles loop, solution loop, the chilled water loop that are arranged between said generator and the engine; Said generator heat cycles loop comprises generator, be arranged on the gravity type heat exchanger in the said generator, and said gravity type heat exchanger carries out heat exchange with engine coolant and tail gas and generator inner absorbent; Said solution loop comprises generator, absorber, condenser, evaporimeter, be arranged on concentrated solution passage and weak solution passage between said generator and the absorber, be arranged on refrigerant vapour passage between said generator and the condenser, be arranged on the water as refrigerant passage between said condenser and the evaporimeter; Said concentrated solution passage is provided with sends the absorbent after taking place in the generator into the concentrated solution pump in the absorber, is provided with the concentrated solution magnetic valve between said concentrated solution pump and the absorber; Said weak solution passage is provided with sends the absorbent after absorbing in the absorber into the weak solution pump in the generator, is provided with the weak solution magnetic valve between said weak solution pump and the generator; Be provided with in the said condenser refrigerant vapour condenser condensing heat-exchanger rig; Be provided with the absorber spray equipment that water as refrigerant and absorbent after the evaporation are carried out blended absorbent in the said absorber, be provided with the evaporimeter heat-exchanger rig that water as refrigerant and chilled water are carried out heat exchange in the said evaporimeter; Said refrigerant vapour passage imports the refrigerant vapour that produces in the generator in the condenser; Said water as refrigerant passage is provided with sends refrigerant vapour in the said condenser into the refrigerant pump in the heat abstractor, and said refrigerant vapour forms water as refrigerant after heat abstractor heat radiation condensation; Be provided with the water as refrigerant magnetic valve between said condenser and the refrigerant pump, said water as refrigerant solenoid control water as refrigerant gets in the evaporimeter, and said water as refrigerant carries out being admitted to said absorbent spray equipment after the heat exchange with chilled water in the evaporimeter heat-exchanger rig; Said water as refrigerant mixes the back with concentrated solution and enters in the generator through the weak solution passage in absorber; Said chilled water loop comprises the evaporimeter heat-exchanger rig that is provided with in the evaporimeter and send thermantidote; Said chilled water and water as refrigerant carry out sending in the thermantidote after the heat exchange, and the said thermantidote that send carries out chilled water and surrounding air to get back in the evaporimeter heat-exchanger rig after the heat exchange.
In the described vehicle-mounted lithium bromide absorbing type refrigeration equipment of the utility model; Said gravity type heat exchanger comprises cooling fluid space that is communicated with the engine coolant outer circulation and the tail gas space that is communicated with the motor exhaust outlet, is provided with the gravity pipe that cooling water in tail gas in the tail gas space and the cooling fluid space is carried out heat exchange between said cooling fluid space and the tail gas space.
In the described vehicle-mounted lithium bromide absorbing type refrigeration equipment of the utility model, said gravity pipe comprises openend and blind end, its openend and said cooling fluid spatial communication and blind end extends to said tail gas space; And then self convection current that utilizes cooling fluid realizes that cooling fluid and the tail gas in tail gas space in the cooling fluid space carry out heat exchange.
In the described vehicle-mounted lithium bromide absorbing type refrigeration equipment of the utility model; Said generator comprises heat transfer space; Said heat transfer space top and said refrigerant vapour channel connection; Said heat transfer space bottom is provided with the concentrated solution outlet that is communicated with said concentrated solution pump, and said heat transfer space top is provided with the weak solution inlet that is communicated with said weak solution magnetic valve; Laterally be provided with heat pipe in the said heat transfer space, an end of said heat pipe and the cooling fluid spatial communication of said gravity type heat exchanger and the other end is back to the engine coolant outer circulation; Said heat transfer space is positioned at the top in said gravity type heat exchanger cooling fluid space; Improve the heat exchanger effectiveness between gravity type heat exchanger and the generator, and then improved the utilization ratio of limited engine exhaust heat, reached the purpose of refrigeration.
In the described vehicle-mounted lithium bromide absorbing type refrigeration equipment of the utility model, said heat transfer space bottom is set to tilt towards the concentrated solution outlet, makes the concentrated solution of heat transfer space bottom compile to the concentrated solution outlet.
In the described vehicle-mounted lithium bromide absorbing type refrigeration equipment of the utility model, said generator and gravity type heat exchanger integrated setting are in the housing of higher-pressure region, and said gravity type heat exchanger is arranged on the below of generator; Said condenser, evaporimeter and absorber integrated setting are in the low-pressure area housing, and said condenser is arranged on the top of evaporimeter.Through generator and gravity type heat exchanger are arranged in the housing of higher-pressure region, simultaneously condenser, evaporimeter and absorber are arranged in the low-pressure area housing, can dwindle the volume of whole refrigeration plant, thereby be suitable for being installed in the confined space on the car body; In addition,, thereby shortened the length between the various pipelines, accelerated the process of kind of refrigeration cycle, improved refrigerating efficiency owing to condenser, evaporimeter and absorber are arranged in the low-pressure area housing.
In the described vehicle-mounted lithium bromide absorbing type refrigeration equipment of the utility model; Also comprise the chilled(cooling) water return (CWR); Said chilled(cooling) water return (CWR) comprises said condenser heat-exchanger rig, is arranged on absorber heat exchanging device, cooling water pump, the radiator fan of absorber spray equipment below; Said cooling water enters cooling water pump pressurization back and gets into the condenser heat-exchanger rig; Carry out getting into the absorber heat exchanging device after the heat exchange with refrigerant vapour in the condenser heat-exchanger rig, carry out getting into radiator fan after the heat exchange, after radiator fan is discharged heat outside car body, get back to cooling water pump with water as refrigerant in the absorber heat exchanging device.Pass condenser and absorber simultaneously through the chilled(cooling) water return (CWR) is set, make condenser and absorber to have been dwindled whole volume, further be fit to vehicle-mounted by same circuit cools.
Implement the vehicle-mounted lithium bromide absorbing type refrigeration equipment of the utility model, have following beneficial effect: generator and gravity type heat exchanger are inner to be the higher-pressure region, and absorber, condenser and evaporimeter inside are low-pressure area.Through concentrated solution passage and weak solution passage directly are set between generator in solution loop and the absorber; And on concentrated solution passage and weak solution passage, pump and magnetic valve are set respectively; Make like this between higher-pressure region and the low-pressure area through the control that links of magnetic valve and pump, avoided adopting U-shaped pipe liquid level difference of the prior art to control, with respect to the control mode of U-shaped pipe; The described refrigeration plant volume of the utility model is littler, is more suitable for being installed on the car body of big-and-middle-sized vehicle; In addition,, overcome the U-shaped pipe, made this refrigeration plant further adapt to the operating mode of jolting on the car body causing the problem that directly is communicated with between the high and low nip and makes whole kind of refrigeration cycle inefficacy on the car body easily through adopting solenoid control.Through the gravity type heat exchanger is set, can utilize the higher tail gas of temperature further to improve the temperature of engine coolant, utilize engine coolant to carry out heat exchange again as the driving heat source of whole refrigeration plant and the absorbent of generator.
Further,, can improve heat transfer efficiency, make the heat of the cooling fluid that the gravity type heat exchanger is interior to be absorbed by the absorbent in the generator fast through the cooling fluid space of gravity type heat exchanger being arranged on the below of generator heat transfer space.
To combine accompanying drawing and embodiment that the utility model is described further below.
[description of drawings]
Fig. 1 is the said system's schematic block diagram that utilizes the vehicle-mounted refrigeration plant of engine exhaust heat driving of the utility model
Fig. 2 is the said overall structure sketch map that utilizes in the vehicle-mounted refrigeration plant preferred embodiment that engine exhaust heat drives of the utility model;
Fig. 3 is the perspective view of Fig. 2.
[specific embodiment]
Like Fig. 1,2, shown in 3; Utilize in the vehicle-mounted refrigeration plant that engine exhaust heat drives in that the utility model is said; Mainly comprise generator 10, condenser 20, evaporimeter 30 and absorber 40; Wherein each parts connects through communicating pipe successively, and its groundwork liquid comprises absorbent, cold-producing medium, chilled water, cooling water and engine coolant.In this station refrigeration plant, mainly comprise generator heat cycles loop, solution loop, chilled water loop.
Wherein, generator heat cycles loop comprises generator 10, gravity type heat exchanger 50, is used for the absorbent in engine coolant and tail gas and the generator 10 is carried out heat exchange, forms concentrated solution and refrigerant vapour.
Solution loop comprises generator 10, absorber 40, condenser 20, evaporimeter 30, be arranged on concentrated solution passage 210 and weak solution passage 220 between generator 10 and the absorber 40, be arranged on refrigerant vapour passage 230 between generator 10 and the condenser 20, be arranged on the water as refrigerant passage 240 between condenser 20 and the evaporimeter 30.On concentrated solution passage 210, be provided with concentrated solution pump 211 and concentrated solution magnetic valve 212, concentrated solution magnetic valve 212 is arranged between concentrated solution pump 211 and the absorber 40; On weak solution passage 220, be provided with weak solution pump 221 and weak solution magnetic valve 222, weak solution magnetic valve 222 is arranged between weak solution pump 221 and the generator 10.Concentrated solution pump 211, concentrated solution magnetic valve 212 are mainly used in control and get into the flow of the concentrated solution of absorber 40 from generator 10; Weak solution pump 221, weak solution battery valve are mainly used in control is back to the weak solution of generator 10 from absorber 40 flow.Through controlling the flow of two passages, and then control the volume balance between the concentrated solution and weak solution in the whole kind of refrigeration cycle, in the hope of obtaining better refrigeration.Be provided with refrigerant vapour passage 230 between generator 10 and the condenser 20, be used for the refrigerant vapour that produces in the generator 10 is imported in the condenser 20.Be provided with water as refrigerant passage 240 between condenser 20 and the evaporimeter 30, water as refrigerant passage 240 is provided with refrigerant pump 241, is used for the water as refrigerant that produces in the condenser 20 is imported in the evaporimeter 30; Between refrigerant pump 241 and evaporimeter 30, be provided with water as refrigerant magnetic valve 242, be used to control the flow of the water as refrigerant that imports evaporimeter 30, to regulate the effect of refrigeration.
In addition, be provided with condenser heat-exchanger rig 21 in the condenser 20, be used for refrigerant vapour and car body outer air are carried out heat exchange, thereby refrigerant vapour is condensed into water as refrigerant.Be provided with absorber spray equipment 41 in the absorber 40, be used for the water as refrigerant after the evaporation is carried out carrying out blended absorbent with absorbent (concentrated solution) behind the spraying cooling, form weak solution.Be provided with evaporimeter heat-exchanger rig 31 in the evaporimeter 30; Be used for water as refrigerant and chilled water are carried out heat exchange; Make water as refrigerant absorb the heat of chilled water, the interior surrounding air of chilled water and car body carries out heat exchange and reaches refrigeration, and water as refrigerant heat absorption back gets into formation weak solution in the absorber 40.
Absorbent (being concentrated solution) after taking place in the generator 10 is sent in the absorber 40 by concentrated solution pump 211; The refrigerant vapour that concentrated solution absorbs in absorber 40 after the evaporation forms weak solution (absorbent after promptly absorbing); Return in the generator 10 through weak solution pump 221 again, form circulation.Because whole solution loop is set in the confined space on the car body; And cross Cheng Zhonghui in garage and produce vibration; Can't come the relative liquid level between autobalance concentrated solution and the weak solution through the U-shaped pipe is installed; Through the control of the interlock between concentrated solution magnetic valve 212 and concentrated solution pump 211 and weak solution magnetic valve 222 and the weak solution pump 221, can accurately control the solution amount of weak solution and concentrated solution, to control the balance of whole kind of refrigeration cycle; Instant car body vibration is also unaffected, and it is vehicle-mounted to make that this refrigeration plant more is applicable to.
The chilled water loop comprises evaporimeter heat-exchanger rig 31 and send thermantidote 320; Chilled water and water as refrigerant carry out getting into after the heat exchange in evaporimeter heat-exchanger rig 31 and send in the thermantidote 320, send thermantidote 320 that surrounding air in chilled water and the car body is carried out getting back in the evaporimeter heat-exchanger rig 31 after the heat exchange.
Like Fig. 2,3,4, shown in 5; In the said preferred embodiment that utilizes the vehicle-mounted refrigeration plant that engine exhaust heat drives of the utility model; Generator 10 can be set comprise heat transfer space, the heat transfer space top is communicated with refrigerant vapour passage 230, and the heat transfer space bottom is provided with the concentrated solution outlet 11 that is communicated with concentrated solution pump 211; The heat transfer space top is provided with the weak solution inlet 12 that is communicated with weak solution magnetic valve 222; Be preferably in the heat transfer space top spray equipment 13 that is connected with weak solution inlet 12 is set, so just can weak solution be sprayed in the heat transfer space from top to bottom, fully carry out heat exchange.Laterally be provided with heat pipe 14 in the heat transfer space, an end of heat pipe 14 is communicated with the cooling fluid space 51 of gravity type heat exchanger and the other end is back to the engine coolant outer circulation.The heat transfer space bottom preferably is set is set to tilt, make the concentrated solution of heat transfer space bottom compile to concentrated solution outlet 11 towards concentrated solution outlet 11.
Gravity type heat exchanger 50 is arranged in generator 10 housings, be used for engine coolant and tail gas and absorbent are carried out heat exchange, to obtain the required heat energy of refrigeration plant, promptly the waste heat of engine coolant and tail gas as the thermal source of whole refrigeration plant.Particularly; Gravity type heat exchanger 50 can be set comprise cooling fluid space 51 that is communicated with the engine coolant outer circulation and the tail gas space 52 that is communicated with the motor exhaust outlet, be provided with the gravity pipe 53 that cooling water in tail gas in the tail gas space 52 and the cooling fluid space 51 is carried out heat exchange between said cooling fluid space 51 and the tail gas space 52.Because it is high that the temperature of motor exhaust is understood the temperature of ratio engine cooling fluid usually; So tail gas in the tail gas space 52 of gravity type heat exchanger 50 and the cooling fluid in the gravity pipe 53 are carried out heat exchange; With the further heat temperature raising of cooling fluid; In gravity pipe 53, the coolant temperature of bottom is higher with respect to the coolant temperature of top layer, can form local convection; And then will be brought in the cooling fluid space 51, and then absorb the temperature that engine tail gas waste-heat further improves whole cooling fluid by the cooling fluid of tail gas heating.
Engine coolant comprises inner loop pipeline and external circulation line; When engine coolant enters into external circulation line 20 after inner loop pipeline 10 absorbs in-engine waste heat; After external circulation line 20 is air-cooled through engine radiator 21, get into inner loop pipeline 10 again, circulation successively.In the utility model, realize the engine coolant afterheat utilization in gravity type heat exchanger 50 through the other bypass branch road 30 that connects in external circulation line 20, avoided heat in the engine coolant to enter in vain in the atmosphere and slatterned.Particularly; This bypass branch road 30 is through two three-way magnetic valves, 22 other external circulation line 20 1 sides that are connected on; Wherein bypass branch road 30 is provided with circulating pump 31; And be communicated with the cooling fluid space 51 of gravity type heat exchanger, make the engine coolant of band waste heat in the external circulation line 20 can enter into the cooling fluid space 51 of gravity type heat exchanger, so that carry out heat exchange with absorbents in the generator 10.Particularly, the heat pipe 14 in generator 10 heat transfer spaces can be provided with many, carries out sufficient heat exchange with convenient fully the contact with the absorbent that sprays.For this reason; Be preferably in cooling fluid inlet 51a and cooling liquid outlet 51b are set in the cooling fluid space 51 of gravity type heat exchanger; Cooling fluid inlet 51a and cooling liquid outlet 51b are communicated with through many generator heat pipes that are provided with; Power is provided for the cooling fluid in cooling fluid space 51 through circulating pump 31, makes cooling fluid be divided into a plurality of branch roads and get in every generator 10 heat pipes, be back to bypass branch road 30 through cooling liquid outlet 51b again through cooling fluid inlet 51a.
During work, part cooling fluid to bypass branch road 30 when engine coolant advances three-way magnetic valve shunting place enters the back cooling fluid space 51 that gets into the gravity type heat exchangers of circulating pump 31 pressurizations on the bypass branch road 30; On the other hand, motor exhaust gets in the tail gas space 52 of gravity type heat exchanger, and through the cooling fluid in the gravity pipe 53 further heated cooling fluid spaces 51.Cooling fluid enters in the heat pipe of generator 10 from cooling fluid inlet 51a; And with generator 10 in the weak solution sufficient heat exchange after be back to bypass branch road 30 through cooling liquid outlet 51b, converge back entering engine inner loop pipeline 10 by another three-way magnetic valve and cooling fluids in the engine external circulation line 20 again.
In order to make full use of heat; Dwindle overall volume as far as possible; Preferably also comprise the chilled(cooling) water return (CWR), simultaneously the concentrated solution temperature in the refrigerant vapour in the condenser 20 and the absorber 40 has been avoided using many cover cooling devices and has been caused the excessive problem on the car body that do not suit to be installed in of overall volume.Particularly; The chilled(cooling) water return (CWR) comprises condenser heat-exchanger rig 21, is arranged on the absorber heat exchanging device 410 of absorber spray equipment 41 belows, cooling water pump 420, be arranged on the outside radiator fan 430 of car body; Cooling water enters cooling water pump 420 pressurization backs and gets into condenser heat-exchanger rig 21; Carry out getting into absorber heat exchanging device 410 after the heat exchange with the refrigerant vapour in the condenser heat-exchanger rig 21; Carry out getting into radiator fan 430 after the heat exchange with the water as refrigerant in the absorber heat exchanging device 410, after radiator fan 430 is discharged heat outside car body, get back to cooling water pump 420, form circulation.
In order to save installing space; Generator 10 and gravity type heat exchanger 50 are arranged in the housing of higher-pressure region; Concrete; Can chamber wall, the chamber wall in tail gas space 52 and the chamber wall integrated setting of generator 10 heat transfer spaces in the cooling fluid space 51 of gravity type heat exchanger 50 be in the same place, utilize dividing plate to be separated to form each space again; Like this, the heat conduction between gravity type heat exchanger 50 and the generator 10 can make full use of heat rapidly, reduces the loss of heat in transmission course.In addition, condenser 20, evaporimeter 30 and absorber 40 integrated setting in the low-pressure area housing, and are arranged on condenser 20 top of evaporimeter 30.
Particularly; Condenser 20 is communicated with generator 10 through refrigerant vapour passage 230; Be communicated with evaporimeter 30 through water as refrigerant passage 240, condenser 20 inside are provided with condenser heat-exchanger rig 21, are used for the refrigerant vapour condensation is formed water as refrigerant after water as refrigerant passage 240 gets in the evaporimeter 30.Condenser heat-exchanger rig 21 comprises many heat exchanger tubes, and heat exchanger tube is communicated with the chilled(cooling) water return (CWR), promptly cooling water pump 420 with cooling water this as in the heat exchanger tube; The refrigerant vapour that imports from refrigerant vapour passage 230 carries out condensation formation water as refrigerant after the heat exchange with cooling water heat exchanger tube outside; Collect in condenser 20 bottoms; And through in the water as refrigerant passage 240 entering absorbers 40, refrigerant pump 241 and water as refrigerant magnetic valve 242 are arranged on a side of condenser 20.
Be provided with absorber spray equipment 41 in the absorber 40; Also be provided with heat pipe in the absorber 40, absorber 40 heat pipes are positioned at absorber spray equipment 41 belows, are communicated with the chilled(cooling) water return (CWR) in absorber 40 heat pipes; Absorber spray equipment 41 is sprayed at the water as refrigerant of input in the evaporimeter 30 outside the heat pipe; Carry out heat exchange with the cooling water in the heat pipe, cooling water absorbs the heat of water as refrigerant, with falling into absorber 40 bottoms after the water as refrigerant cooling; In addition, the absorbent in the generator 10 except forming refrigerant vapour, has also formed concentrated solution after heating; The water as refrigerant of concentrated solution after concentrated solution passage 210 imports absorber 40 bottoms and lowers the temperature mixes the formation weak solution, and weak solution is back to generator 10 again through weak solution passage 220.
The above embodiment has only expressed several kinds of embodiments of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.
Claims (7)
1. vehicle-mounted refrigeration plant that utilizes engine exhaust heat to drive; Comprise generator, condenser, evaporimeter, absorber; It is characterized in that, also comprise the generator heat cycles loop, solution loop, the chilled water loop that are arranged between said generator and the engine;
Said generator heat cycles loop comprises generator, be arranged on the gravity type heat exchanger in the said generator, and said gravity type heat exchanger carries out heat exchange with engine coolant and tail gas and generator inner absorbent;
Said solution loop comprises generator, absorber, condenser, evaporimeter, be arranged on concentrated solution passage and weak solution passage between said generator and the absorber, be arranged on refrigerant vapour passage between said generator and the condenser, be arranged on the water as refrigerant passage between said condenser and the evaporimeter;
Said concentrated solution passage is provided with sends the absorbent after taking place in the generator into the concentrated solution pump in the absorber, is provided with the concentrated solution magnetic valve between said concentrated solution pump and the absorber; Said weak solution passage is provided with sends the absorbent after absorbing in the absorber into the weak solution pump in the generator, is provided with the weak solution magnetic valve between said weak solution pump and the generator;
Be provided with in the said condenser refrigerant vapour condenser condensing heat-exchanger rig; Be provided with the absorber spray equipment that water as refrigerant and absorbent after the evaporation are carried out blended absorbent in the said absorber, be provided with the evaporimeter heat-exchanger rig that water as refrigerant and chilled water are carried out heat exchange in the said evaporimeter;
Said refrigerant vapour passage imports the refrigerant vapour that produces in the generator in the condenser; Said water as refrigerant passage is provided with sends refrigerant vapour in the said condenser into the refrigerant pump in the heat abstractor, and said refrigerant vapour forms water as refrigerant after heat abstractor heat radiation condensation; Be provided with the water as refrigerant magnetic valve between said evaporimeter and the refrigerant pump, said water as refrigerant solenoid control water as refrigerant gets in the evaporimeter, and said water as refrigerant carries out being admitted to said absorbent spray equipment after the heat exchange with chilled water in the evaporimeter heat-exchanger rig; Said water as refrigerant mixes the back with concentrated solution and enters in the generator through the weak solution passage in absorber;
Said chilled water loop comprises the evaporimeter heat-exchanger rig that is provided with in the evaporimeter and send thermantidote; Said chilled water and water as refrigerant carry out sending in the thermantidote after the heat exchange, and the said thermantidote that send carries out chilled water and surrounding air to get back in the evaporimeter heat-exchanger rig after the heat exchange.
2. according to the said vehicle-mounted refrigeration plant of claim 1; It is characterized in that; Said gravity type heat exchanger comprises cooling fluid space that is communicated with the engine coolant outer circulation and the tail gas space that is communicated with the motor exhaust outlet, is provided with the gravity pipe that cooling water in tail gas in the tail gas space and the cooling fluid space is carried out heat exchange between said cooling fluid space and the tail gas space.
3. according to the said vehicle-mounted refrigeration plant of claim 2, it is characterized in that said gravity pipe comprises openend and blind end, its openend and said cooling fluid spatial communication and blind end extends to said tail gas space.
4. according to the said vehicle-mounted refrigeration plant of claim 2; It is characterized in that; Said generator comprises heat transfer space; Said heat transfer space top and said refrigerant vapour channel connection, said heat transfer space bottom is provided with the concentrated solution outlet that is communicated with said concentrated solution pump, and said heat transfer space top is provided with the weak solution inlet that is communicated with said weak solution magnetic valve; Laterally be provided with heat pipe in the said heat transfer space, an end of said heat pipe and the cooling fluid spatial communication of said gravity type heat exchanger and the other end is back to the engine coolant outer circulation; Said heat transfer space is positioned at the top in said gravity type heat exchanger cooling fluid space.
5. according to the said vehicle-mounted refrigeration plant of claim 4, it is characterized in that said heat transfer space bottom is set to tilt towards the concentrated solution outlet, make the concentrated solution of heat transfer space bottom compile to the concentrated solution outlet.
6. according to the said vehicle-mounted refrigeration plant of claim 1 to 5, it is characterized in that said generator and gravity type heat exchanger integrated setting are in the housing of higher-pressure region, said gravity type heat exchanger is arranged on the below of generator; Said condenser, evaporimeter and absorber integrated setting are in the low-pressure area housing, and said condenser is arranged on the top of evaporimeter.
7. according to the said vehicle-mounted refrigeration plant of claim 1; It is characterized in that; Also comprise the chilled(cooling) water return (CWR); Said chilled(cooling) water return (CWR) comprises said condenser heat-exchanger rig, be arranged on absorber spray equipment below absorber heat exchanging device, cooling water pump, be arranged on the outside radiator fan of car body, said cooling water enters cooling water pump pressurization back and gets into the condenser heat-exchanger rig, carries out getting into the absorber heat exchanging device after the heat exchange with refrigerant vapour in the condenser heat-exchanger rig; Carry out getting into radiator fan after the heat exchange with the water as refrigerant in the absorber heat exchanging device, after radiator fan is discharged heat outside car body, get back to cooling water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203740175U CN202304072U (en) | 2011-09-30 | 2011-09-30 | Vehicle-mounted refrigeration equipment driven by residual heat of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203740175U CN202304072U (en) | 2011-09-30 | 2011-09-30 | Vehicle-mounted refrigeration equipment driven by residual heat of engine |
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| CN202304072U true CN202304072U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203740175U Expired - Lifetime CN202304072U (en) | 2011-09-30 | 2011-09-30 | Vehicle-mounted refrigeration equipment driven by residual heat of engine |
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| CN (1) | CN202304072U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322706A (en) * | 2011-09-30 | 2012-01-18 | 浪达科技（深圳）有限公司 | Vehicle-mounted refrigeration equipment driven by engine waste heat |
| CN108621749A (en) * | 2018-05-14 | 2018-10-09 | 华中科技大学 | One kind being based on the gas-powered vehicle-mounted absorption type air conditioning system of tail |
| CN113405276A (en) * | 2021-07-14 | 2021-09-17 | 重庆金康赛力斯新能源汽车设计院有限公司 | Integrated cold source circulation generator and absorption type refrigerating device |
-
2011
- 2011-09-30 CN CN2011203740175U patent/CN202304072U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322706A (en) * | 2011-09-30 | 2012-01-18 | 浪达科技（深圳）有限公司 | Vehicle-mounted refrigeration equipment driven by engine waste heat |
| CN102322706B (en) * | 2011-09-30 | 2014-10-15 | 深圳市唯克瑞投资咨询有限公司 | Vehicle-mounted refrigeration equipment driven by engine waste heat |
| CN108621749A (en) * | 2018-05-14 | 2018-10-09 | 华中科技大学 | One kind being based on the gas-powered vehicle-mounted absorption type air conditioning system of tail |
| CN108621749B (en) * | 2018-05-14 | 2020-07-10 | 华中科技大学 | Vehicle-mounted absorption type air conditioning system based on tail gas drive |
| CN113405276A (en) * | 2021-07-14 | 2021-09-17 | 重庆金康赛力斯新能源汽车设计院有限公司 | Integrated cold source circulation generator and absorption type refrigerating device |
| CN113405276B (en) * | 2021-07-14 | 2022-07-05 | 重庆金康赛力斯新能源汽车设计院有限公司 | Integrated cold source circulation generator and absorption type refrigerating device |
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