CN219312470U - Cold storage type automobile heat management device - Google Patents
Cold storage type automobile heat management device Download PDFInfo
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- CN219312470U CN219312470U CN202320050153.1U CN202320050153U CN219312470U CN 219312470 U CN219312470 U CN 219312470U CN 202320050153 U CN202320050153 U CN 202320050153U CN 219312470 U CN219312470 U CN 219312470U
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Abstract
The utility model relates to a heat management device of a cold storage type automobile, which comprises: a refrigeration circuit configured to circulate a refrigerant, wherein the refrigerant in the refrigeration circuit is capable of cooling a heat exchange medium in the heat exchange medium circuit; a refrigeration system component disposed on the refrigeration circuit; the two ends of the cold storage branch are communicated with the refrigerating circuit; the cold storage device is arranged on the cold storage branch, and the cold storage assembly comprises a cold storage device and a cold storage throttling element; a heat exchange medium circuit for circulating a heat exchange medium to cool or heat the battery pack and/or the passenger compartment; a first heat exchange device, a part of which is communicated with the refrigeration loop, the other part is communicated with a heat exchange medium loop; a second heat exchange device configured to transfer heat between the refrigeration circuit and the air; and a third heat exchange device configured to transfer heat between the heat exchange medium circuit and the air.
Description
Technical Field
The utility model relates to the technical field of heat management, in particular to a heat management device of a cold storage type automobile.
Background
At present, the automobile thermal management system controls the operation of parts such as a compressor and the like completely according to the actual refrigeration requirements of a passenger cabin and a battery, and the parts such as the compressor and the like do not actually operate at an optimal efficiency point under a large proportion of working conditions due to the characteristics of the parts, so that the actual coefficient of performance (COP) of the system is lower, and more energy sources are wasted.
In order to meet the requirements of different working conditions and loads, core components such as a compressor, an expansion valve, an electronic fan and the like need to be continuously adjusted to work states, frequent rising and falling speeds or opening degrees exist, even frequent starting and stopping situations exist, and therefore the reliability and the service life of all moving components of the system are greatly affected.
Disclosure of Invention
To solve at least some of the above problems in the prior art, the present utility model provides a heat management device for a heat storage type automobile, comprising:
a refrigeration circuit configured to circulate a refrigerant, wherein the refrigerant in the refrigeration circuit is capable of cooling a heat exchange medium in a heat exchange medium circuit, the refrigeration circuit comprising a refrigeration main circuit and a first refrigeration branch and a second refrigeration branch in communication with the refrigeration main circuit;
a refrigeration system component disposed on the refrigeration circuit;
the two ends of the cold storage branch are communicated with the refrigerating loop;
a cold storage device disposed on the cold storage leg, the cold storage assembly comprising a cold storage device configured to store and release cold, a portion of the cold storage device in communication with the store Leng Zhilu and another portion in communication with the heat exchange medium circuit, and a cold storage throttling element configured to throttle the refrigerant to reduce the temperature and pressure of the refrigerant;
a heat exchange medium loop for circulating a heat exchange medium to cool or heat the battery pack and/or the passenger compartment, the heat exchange medium loop comprising a heat exchange medium main loop and a first heat exchange branch, a heating branch and a second heat exchange branch in communication with the heat exchange medium main loop;
a first heat exchange device having a portion in communication with the refrigeration circuit and another portion in communication with the heat exchange medium circuit and configured to transfer heat between the refrigeration circuit and the heat exchange medium circuit;
a second heat exchange device disposed on the second refrigeration branch and configured to transfer heat between the refrigeration circuit and air;
and a third heat exchange device disposed on the second heat exchange branch and configured to transfer heat between the heat exchange medium circuit and air.
Further, the first heat exchange branch, the heating branch and the second heat exchange branch are connected in parallel, and the battery pack is arranged on the first heat exchange branch.
Further, the first refrigeration branch and the second refrigeration branch are connected in parallel.
Further, the refrigeration system assembly includes:
a compressor disposed on the refrigeration main path and configured to compress a refrigerant;
a condenser provided on the refrigeration main path and communicating with the compressor;
a first throttling element disposed on the first refrigeration branch and in communication with the condenser;
and a second throttling element disposed on the second refrigeration branch and in communication with the condenser.
Further, a portion of the first heat exchange device is in communication with the refrigeration circuit and another portion is in communication with the heat exchange medium circuit, wherein the first heat exchange device includes a first inlet and a first outlet for flow of refrigerant therethrough, and a second inlet and a second outlet for flow of heat exchange medium therethrough; and/or
The second heat exchange device comprises a first inlet and a first outlet for refrigerant to flow through, and a second inlet and a second outlet for air to flow through; and/or
The third heat exchange device comprises a first inlet and a first outlet for air to flow through, and a second inlet and a second outlet for heat exchange medium to flow through;
the cold storage device comprises a first inlet and a first outlet for the flow of a refrigerant, and a second inlet and a second outlet for the flow of a heat exchange medium.
Further, the electric heater is arranged on the heating branch and is used for heating the heat exchange medium;
further, the method further comprises the following steps:
the first three-way proportional valve is arranged on the heat exchange medium main loop, a first path of the first three-way proportional valve is communicated with a second outlet of the first heat exchange device, a second path of the first three-way proportional valve is communicated with a first path of a third three-way proportional valve and the heating branch, and a third path of the first three-way proportional valve is communicated with the first heat exchange branch;
a second three-way proportional valve arranged on the heat exchange medium main loop, the first way of the second three-way proportional valve is communicated with the second inlet of the first heat exchange device and the first heat exchange branch, and the second way is communicated with the first heat exchange branch
The second outlet of the cold storage device is communicated with the second heat exchange branch, and the third path is communicated with the heating branch 5 paths;
a third three-way proportional valve arranged on the heat exchange medium main loop, wherein a first path of the third three-way proportional valve is communicated with a first path of the first three-way proportional valve and the heat branch, the second path is communicated with a second outlet of the cold storage device, and the third path is communicated with a second heat exchange branch.
Further, the method further comprises the following steps:
the first water pump and the second water pump are configured to power the circulating flow of the heat exchange medium.
Further, the method further comprises the following steps:
an electronic fan mounted on the condenser;
and a blower in communication with the second heat exchange device and the third heat exchange device.
The utility model has at least the following beneficial effects: the utility model discloses a cold storage type automobile thermal management device, which is provided with a super cold storage device, wherein a compressor always keeps working at a maximum efficiency point according to different environment temperatures and automobile motion states, redundant cold energy is stored in the cold storage device, when the cold energy of the cold storage device is saturated, the operation of the compressor is stopped by 0, the cold energy is released to the outside by the cold storage device, the way ensures that the compressor always keeps at an optimal working efficiency point, and the energy utilization rate of the automobile thermal management device is greatly improved; the cold storage device selects cold storage working medium materials with good characteristics, can store more than 5kW of cold energy, can greatly store redundant cold energy of the automobile thermal management device, ensures that one-time release can meet long-time refrigeration demands, and avoids frequent start and stop of a compressor. When the cold storage device is used for refrigerating, the 5-heat core body is exchanged for refrigerating the passenger cabin, and the structure can be used for heating the passenger cabin, so that the structure is simplified, and the cost of a pipeline is effectively reduced; all branches of the heat exchange medium loop are connected in parallel by adopting a three-way proportional valve, so that three paths can be completely opened or completely closed, any two paths can be communicated, and proportional adjustment can be carried out according to requirements.
Drawings
To further clarify the above and other advantages and features of embodiments of the present utility model, a more particular description of embodiments of the utility model will be rendered by reference to the appended drawings. It is appreciated that these drawings depict only typical embodiments of the utility model and are therefore not to be considered limiting of its scope. In the drawings, for clarity, the same or corresponding parts will be designated by the same or similar reference numerals.
FIG. 1 illustrates a schematic diagram of a thermal management device for a reservoir-type automobile in accordance with one embodiment of the present utility model.
Detailed Description
It should be noted that the components in the figures may be shown exaggerated for illustrative purposes and are not necessarily to scale.
In the present utility model, the embodiments are merely intended to illustrate the scheme of the present utility model, and should not be construed as limiting.
In the present utility model, the adjectives "a" and "an" do not exclude a scenario of a plurality of elements, unless specifically indicated.
It should also be noted herein that in embodiments of the present utility model, only a portion of the components or assemblies may be shown for clarity and simplicity, but those of ordinary skill in the art will appreciate that the components or assemblies may be added as needed for a particular scenario under the teachings of the present utility model.
It should also be noted herein that, within the scope of the present utility model, the terms "identical", "equal" and the like do not mean that the two values are absolutely equal, but rather allow for some reasonable error, that is, the terms also encompass "substantially identical", "substantially equal".
It should also be noted herein that in the description of the present utility model, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not explicitly or implicitly indicate that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as limiting or implying any relative importance.
In addition, the embodiments of the present utility model describe the process steps in a specific order, however, this is only for convenience of distinguishing the steps, and not for limiting the order of the steps, and in different embodiments of the present utility model, the order of the steps may be adjusted according to the adjustment of the process.
In the present utility model, high temperature > medium temperature > low temperature, high pressure > low pressure.
FIG. 1 illustrates a schematic diagram of a thermal management device for a reservoir-type automobile in accordance with one embodiment of the present utility model.
As shown in fig. 1, a heat management device for a heat storage type automobile includes:
the refrigeration loop is used for circulating a refrigerant and comprises a refrigeration main path 10, a first refrigeration branch 11 and a second refrigeration branch 12 which are communicated with the refrigeration main path 10, wherein the first refrigeration branch 11 and the second refrigeration branch 12 are connected in parallel;
a refrigeration system component disposed on the refrigeration circuit;
a cold storage branch 20, two ends of which are communicated with the refrigerating circuit and are connected in parallel with the first refrigerating branch 11 and the second refrigerating branch 12;
a cold storage assembly provided on the cold storage branch 20, the cold storage assembly including a cold storage device 21 and a cold storage throttling element 22; the cold storage device 21 is configured to store and release cold and comprises a first inlet and a first outlet for the flow of a refrigerant and a second inlet and a second outlet for the flow of a heat exchange medium, one part of the cold storage device 21 being in communication with the cold storage branch 20 and the other part being in communication with the heat exchange medium circuit; the cold storage device 21 adopts a heat insulation design, the heat preservation efficiency for 1 hour is more than 95%, the cold storage working medium material with good characteristics is selected and used in the interior, and the cold energy more than 5kW can be stored. The cold storage throttling element 22 is configured to throttle the refrigerant to reduce the temperature and pressure of the refrigerant.
A heat exchange medium circuit for circulating a heat exchange medium to cool or heat the battery pack or the passenger compartment. The heat exchange medium loop comprises a heat exchange medium main loop 30, a first heat exchange branch 31, a heating branch 32 and a second heat exchange branch 33 which are communicated with the heat exchange medium main loop 30, wherein the first heat exchange branch 31, the heating branch 32 and the second heat exchange branch 33 are connected in parallel. The battery pack 1 is disposed on the first heat exchange branch 31.
The refrigeration system assembly includes a compressor 41, a condenser 42, a first throttling element 43, and a second throttling element 44. The compressor 41 is configured to compress a refrigerant. The condenser 42 is in communication with the compressor 41 and is configured to condense the refrigerant. The first throttling element 43 is arranged on the first refrigerating branch 11. The second throttling element 44 is arranged on the second refrigeration branch 12. The first throttling element 43 and the second throttling element 44 are both in communication with the condenser 42. The high-temperature and high-pressure gas refrigerant discharged from the compressor 41 is condensed into a medium-temperature and high-pressure liquid by the condenser 42. The throttling element has the function of throttling the refrigerant to reduce the temperature and pressure of the refrigerant and change the medium-temperature high-pressure refrigerant into low-temperature low-pressure refrigerant, and comprises an expansion valve, a capillary tube, a throttling pipe and the like. The medium-temperature high-pressure liquid refrigerant becomes a low-temperature low-pressure liquid refrigerant through the first throttling element 43 and the second throttling element 44.
The heat management device of the cold storage type automobile further comprises a first heat exchange device 50, wherein one part of the first heat exchange device 50 is communicated with the refrigerating circuit, the other part of the first heat exchange device is communicated with the heat exchange medium circuit and is configured to transfer heat between the refrigerating circuit and the heat exchange medium circuit, the first heat exchange device comprises a first inlet and a first outlet for refrigerant to flow through, and a second inlet and a second outlet for heat exchange medium to flow through; a second heat exchange device 51 disposed on the second refrigeration branch 12 and configured to transfer heat between the refrigeration circuit and the air, wherein the second heat exchange device 51 includes a first inlet and a first outlet for the flow of refrigerant therethrough, and a second inlet and a second outlet for the flow of air therethrough; an electric heater 52 provided on the heating branch 32 for heating the heat exchange medium; a third heat exchange device 53 disposed on the second heat exchange branch 33 and configured to transfer heat between the heat exchange medium circuit and the air, wherein the third heat exchange device 53 comprises a first inlet and a first outlet for the air to flow through, and a second inlet and a second outlet for the heat exchange medium to flow through. The first heat exchange means 50 comprises a plate heat exchanger. The second heat exchanging arrangement 51 comprises an evaporator. The third heat exchanging means 53 comprises a heat exchanging core.
The heat management device of the cold storage type automobile further comprises a first three-way proportional valve 61, a second three-way proportional valve 62 and a third three-way proportional valve 63 which are arranged on the heat exchange medium main circuit 30. Two ends of the first heat exchange branch 31 are respectively connected with a first three-way proportional valve 61 and a heat exchange medium main loop 30; two ends of the heating branch 32 are respectively connected with the second three-way proportional valve 62 and the heat exchange medium main loop 30; the two ends of the second heat exchange branch 33 are respectively connected with a third three-way proportional valve 63 and the heat exchange medium main loop 30.
The adopted three-way proportional valve can realize the full opening or full closing of three ways and the communication of any two ways, and the proportion can be regulated according to the requirements, and the structure can completely meet the requirements of refrigeration and heating under various working conditions. The third path of the first three-way proportional valve 61 is communicated with the first heat exchange branch 31, the first path thereof is communicated with the second outlet of the first heat exchange device 50, and the second path thereof is communicated with the first path of the third three-way proportional valve 63 and the heating branch 32. The third path of the second three-way proportional valve 62 communicates with the heating branch 32, the first path of which communicates with the second inlet of the first heat exchanging means 50 and the first heat exchanging branch 31, and the second path communicates with the second inlet of the cold storage means 21 and the second heat exchanging branch 33. The third path of the third three-way proportional valve 63 communicates with the second heat exchanging branch 33, the first path of which communicates with the second path of the first three-way proportional valve 61 and the heating branch 32, and the second path communicates with the second outlet of the cold storage device 21.
The heat management device of the cold storage type automobile further comprises a first water pump 34 arranged on the first heat exchange branch 31 and a second water pump 35 arranged on the second heat exchange branch 33, wherein the first water pump 34 and the second water pump 35 are configured to power the circulating flow of the heat exchange medium; an electronic fan 45 mounted on the condenser 42; a blower 46 in communication with the second heat exchange device 51 and the third heat exchange device 53. The blower 46 can suck air and deliver it to the second heat exchange device 51 or the third heat exchange device 53.
The heat exchange medium circulation of the heat storage type automobile heat management device is of a multi-parallel structure, and the first water pump 34 and the second water pump 35 are respectively used as power sources for pushing the battery pack and the passenger cabin to realize heat exchange. The first heat exchange device 50 and the cold storage device 21 are located at two ends of the main heat exchange medium loop 30, and respectively play a role in transferring heat of a refrigerant and a cold storage working medium to a heat exchange medium, the first heat exchange branch 31 and the second heat exchange branch 33 are connected in parallel in the middle, the heating branch 32 is also connected in parallel between the first heat exchange branch 31 and the second heat exchange branch 33, and the flow direction of the heat exchange medium is switched through a three-way proportional valve in the whole loop by the first heat exchange branch 31, the heating branch 32 and the second heat exchange branch 33.
When the above-mentioned heat management device for a cold storage type automobile is operated, the circulation process of the refrigerant is as follows:
the compressor 41 compresses a refrigerant as a power source of a refrigerant cycle in the system, the compressed high-temperature and high-pressure gas refrigerant passes through the refrigeration main circuit 10 to reach the condenser 42, the electronic fan 45 sucks normal-temperature air into the condenser fins, and the condenser 42 exchanges heat between the heat of the high-temperature and high-pressure gas refrigerant and the air. The condensed refrigerant may be split into three paths, one entering the first refrigeration branch 11, reaching the first throttling element 43, one entering the second refrigeration branch 12, reaching the second throttling element 44, and the last entering the cold storage branch 20, reaching the cold storage throttling element 20.
When the first throttling element 43 is opened, the first throttling element 43 throttles the flowing refrigerant, the throttled refrigerant rapidly expands to become low-temperature low-pressure liquid refrigerant and enters the first heat exchange device 50, and in the first heat exchange device 50, the throttled refrigerant absorbs heat from the heat exchange medium through the first heat exchange device 50, so that the heat exchange medium is reduced to the expected temperature to meet the cooling requirement of the battery pack, and the refrigerant becomes low-temperature low-pressure gas and then returns to the compressor.
When the second throttling element 44 is opened, the second throttling element 44 throttles the flowing refrigerant, the throttled refrigerant rapidly expands to become low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant enters the second heat exchange device 51, the throttled and expanded refrigerant exchanges heat with air in the second heat exchange device 51, the refrigerant absorbs heat in the air, so that the air is reduced to the expected temperature, the refrigerating effect is achieved, the refrigerant after evaporation and heat absorption becomes low-temperature low-pressure gas, and the low-temperature low-pressure gas returns to the compressor again.
When the cold storage throttling element 22 is opened, the cold storage throttling element 22 throttles the flowing refrigerant, the throttled refrigerant rapidly expands to become low-temperature low-pressure liquid refrigerant, the liquid refrigerant enters the cold storage device 21, the working medium in the cold storage device 21 exchanges heat with the throttled and expanded refrigerant, and the refrigerant absorbs heat in the cold storage working medium, so that the cold storage working medium is reduced to a lower temperature, cold collection of the cold storage device is realized, the refrigerant after evaporation and heat absorption becomes low-temperature low-pressure gas, and the gas returns to the compressor again.
Automobile thermal management device is according to battery package demand refrigeration capacity W Battery cell And passenger compartment demand refrigeration capacity W Passenger compartment The maximum limit refrigeration load is developed and designed into a compressor, namely, the optimal efficiency point can meet the requirement of W under the same working condition Battery cell And W is Passenger compartment And the maximum limit refrigeration load ensures that the compressor can be in an optimal running state under any working condition.
The first throttling element 43 in front of the first heat exchange device 50 and the second throttling element 44 in front of the second heat exchange device 51 respectively control the opening state and the opening size in real time according to the cooling requirement of the battery pack 1 and the refrigerating requirement of the passenger cabin, and only one throttling element can be opened or both throttling elements can be opened simultaneously.
When the above-mentioned heat management device for the cold storage type automobile runs, the refrigeration of the battery pack is preferentially ensured, and then the passenger cabin is refrigerated, and when the capacity of the heat management device for the automobile is surplus, the cold storage throttling element 22 in front of the cold storage device is started. The opening of the cold storage throttling element 22 in front of the cold storage device 21 requires the following two conditions to be met: one is that one or both of the first throttling element 43 and the second throttling element 44 are in an open state; second, according to the refrigerating capacity W of the compressor 41 Compressor Demand cooling capacity W of battery pack Battery cell And the demanded cooling capacity W of the passenger compartment Passenger compartment Is determined by the relationship of (a). When one or both of the first throttling element 43 and the second throttling element 44 are in the open stateAnd W is the state of Compressor ＞W Battery cell +W Passenger compartment The cold storage throttling element 22 in front of the cold storage device 21 is opened, and the opening proportion of the cold storage throttling element 22 is adjusted in real time according to the difference value of the mass-produced cold quantity. The difference in the capacity is the refrigerating capacity W of the compressor Compressor And the required cooling capacity W of the battery pack Battery cell And the demanded cooling capacity W of the passenger compartment Passenger compartment And the difference of the sum. The cold storage device 21 adopts a closed heat insulation design, the heat preservation efficiency for 1 hour is more than 95%, the cold storage working medium material with good characteristics is selected and used in the interior, and the cold energy of more than 5kW can be stored.
The state of the ambient temperature and the vehicle running speed etc. changes in real time when the vehicle is actually running. Therefore, according to the difference of the real-time environment temperature and the running state of the vehicle, the compressor always keeps a better pressure ratio, so that the compressor works at an optimal efficiency point to ensure the optimal coefficient of performance (COP) of the automobile thermal management device.
The cold storage type automobile heat management device performs refrigeration operation: the compressor 41 compresses the refrigerant, and the refrigerant is condensed by the condenser, and the condensed refrigerant is divided into three paths to be respectively introduced into the first throttling element 43, the second throttling element 44 and the cold storage throttling element 22. The first throttling element 43 and the second throttling element 44 automatically adjust the opening according to the refrigeration demands of the passenger compartment and the battery pack, respectively, if the passenger compartment and the battery pack meet the refrigeration demands, the cold storage throttling element 22 is opened at this time, so that the refrigerant enters the cold storage device 21, and the cold storage device 21 stores the cold. When it is detected that the cooling capacity of the cooling storage device 21 is saturated, the compressor is turned off, the first water pump 34 and/or the second water pump 35 are/is started, the cooling capacity in the cooling storage device 21 is released through the heat exchange medium in the heat exchange medium loop, and the cooling capacity is released to the battery pack 1 and/or the third heat exchange device 53 through the circulation of the heat exchange medium. Under the action of the three-way proportional valve, the heat exchange medium does not pass through the electric heater 52 and the first heat exchange device 50, and at this time, the passenger compartment is not refrigerated by the second heat exchange device 51, but is refrigerated by the third heat exchange device 53.
Specifically, when the compressor is operated, the process of cooling the battery pack is as follows:
the first and third paths of the first three-way proportional valve 61 are opened, and the second path thereof is closed; the first, second and third paths of the second three-way proportional valve 62 are closed; the first, second and third paths of the third three-way proportional valve 63 are closed.
The first throttling element 43 is opened, the first water pump 34 is operated, the first throttling element 43 throttles the flowing refrigerant, the throttled refrigerant rapidly expands and enters the first heat exchange device 50, the refrigerant absorbs heat of the heat exchange medium in the first heat exchange device 50, the heat exchange medium is cooled to a desired temperature, the cooled heat exchange medium enters the first heat exchange branch 31 to cool the battery pack 1, and then enters the first heat exchange device 50 again.
When the compressor is running, the process of cooling the passenger compartment is as follows: the second throttling element 44 is opened, the second throttling element 44 throttles the flowing refrigerant, the throttled refrigerant rapidly expands and enters the second heat exchange device 51, the blower 46 sucks air and conveys the air to the second heat exchange device 51, the throttled and expanded refrigerant exchanges heat with the air in the second heat exchange device 51, and the refrigerant absorbs heat in the air, so that the air is reduced to the expected temperature, and the refrigerating effect is achieved.
When the compressor is off, utilizing the cooling capacity in the cold storage device to cool the battery pack and the passenger compartment, comprising:
when both the battery pack and the passenger cabin need to be refrigerated, the first path of the first three-way proportional valve 61 is closed, the second path and the third path thereof are opened, the first path and the second path of the second three-way proportional valve 62 are opened, the third path thereof is closed, and the first path, the second path and the third path of the third three-way proportional valve 63 are opened.
When only the battery pack needs to be refrigerated, the first path of the first three-way proportional valve 61 is closed, the second path and the third path of the first three-way proportional valve are opened, the first path and the second path of the second three-way proportional valve 62 are opened, the third path of the second three-way proportional valve is closed, the first path and the second path of the third three-way proportional valve 63 are opened, and the third path of the third three-way proportional valve is closed.
When only the passenger cabin needs to be refrigerated, the first path and the second path of the first three-way proportional valve 61 are closed, the first path and the second path of the second three-way proportional valve 62 are closed, the second path and the third path of the third three-way proportional valve 63 are opened, and the first path is closed.
And (3) cooling the battery pack: the first water pump 34 is operated, and the heat exchange medium exchanges heat with the cold storage working medium in the cold storage device 21, so that the temperature of the heat exchange medium is reduced to a desired temperature, and the cooled heat exchange medium enters the first heat exchange branch 31 to cool the battery pack 1, and then enters the cold storage device 21 again.
Cooling the passenger compartment: the second water pump 35 operates, the heat exchange medium cooled by the cold storage working medium in the cold storage device 21 enters the second heat exchange branch 33 to reach the third heat exchange device 53, the air blower 46 sucks air and conveys the air to the third heat exchange device 53, and in the third heat exchange device 53, the heat exchange medium exchanges heat with the air, and the heat exchange medium absorbs heat in the air, so that the air is cooled to the expected temperature, and the refrigerating effect is realized.
Above-mentioned cold storage type car heat pipe and (3) heating operation of the treatment device:
when the battery pack and the passenger cabin have heating requirements, the first path of the first three-way proportional valve 61 is closed, the second path and the third path of the first three-way proportional valve 61 are opened, the first path, the second path and the third path of the second three-way proportional valve 62 are opened, the first path and the third path of the third three-way proportional valve 63 are opened, and the second path is closed.
When only the battery pack has a heating requirement, the first path of the first three-way proportional valve 61 is closed, the second path and the third path of the first three-way proportional valve 61 are opened, the first path and the third path of the second three-way proportional valve 62 are opened, the second path is closed, and the first path of the third three-way proportional valve 63 is closed.
When only the passenger cabin has a heating requirement, the second path of the first three-way proportional valve 61 is closed, the first path of the second three-way proportional valve 62 is closed, the second path and the third path are opened, the first path and the third path of the third three-way proportional valve 63 are opened, and the second path is closed.
The compressor 41 and the cold storage device 21 are turned off, the electric heater 52 is started to heat the heat exchange medium, the heat exchange medium heated by the electric heater 52 can heat the battery pack 1 or the passenger cabin, and the battery pack 1 and the passenger cabin can be heated simultaneously by dividing the heat exchange medium into two paths.
The first water pump 34 is turned on, and the heat exchange medium heated by the electric heater 52 enters the first heat exchange branch 31 to heat the battery pack 1.
The second water pump 35 is turned on, the heat exchange medium heated by the electric heater 52 enters the second heat exchange branch 33 to reach the third heat exchange device 53, and the air blower 46 sucks air and conveys the air to the third heat exchange device 53, and in the third heat exchange device 53, the heat exchange medium exchanges heat with the air to heat the passenger cabin. The first heat exchange branch 31 and the second heat exchange branch 33 are in a completely parallel state, and when the heat storage type automobile heat management device heats and operates, the heat exchange medium does not pass through the first heat exchange device 50 and the cold storage device 21 under the action of the three-way valve proportional valve.
While certain embodiments of the present utility model have been described herein, those skilled in the art will appreciate that these embodiments are shown by way of example only. Numerous variations, substitutions and modifications will occur to those skilled in the art in light of the present teachings without departing from the scope of the utility model. The appended claims are intended to define the scope of the utility model and to cover such methods and structures within the scope of these claims themselves and their equivalents.
Claims (9)
1. A heat management device for a cold storage type automobile, comprising:
a refrigeration circuit configured to circulate a refrigerant, wherein the refrigerant in the refrigeration circuit is capable of cooling a heat exchange medium in a heat exchange medium circuit, the refrigeration circuit comprising a refrigeration main circuit and a first refrigeration branch and a second refrigeration branch in communication with the refrigeration main circuit;
a refrigeration system component disposed on the refrigeration circuit;
the two ends of the cold storage branch are communicated with the refrigerating loop;
a cold storage assembly disposed on the cold storage leg, the cold storage assembly comprising a cold storage device configured to store and release cold, a portion of the cold storage device in communication with the store Leng Zhilu and another portion in communication with the heat exchange medium circuit, and a cold storage throttling element configured to throttle the refrigerant to reduce the temperature and pressure of the refrigerant;
a heat exchange medium loop for circulating a heat exchange medium to cool or heat the battery pack and/or the passenger compartment, the heat exchange medium loop comprising a heat exchange medium main loop and a first heat exchange branch, a heating branch and a second heat exchange branch in communication with the heat exchange medium main loop;
a first heat exchange device having a portion in communication with the refrigeration circuit and another portion in communication with the heat exchange medium circuit and configured to transfer heat between the refrigeration circuit and the heat exchange medium circuit;
a second heat exchange device disposed on the second refrigeration branch and configured to transfer heat between the refrigeration circuit and air;
and a third heat exchange device disposed on the second heat exchange branch and configured to transfer heat between the heat exchange medium circuit and air.
2. The heat storage type automotive thermal management device according to claim 1, wherein the first heat exchanging branch, the heating branch and the second heat exchanging branch are connected in parallel, and the battery pack is disposed on the first heat exchanging branch.
3. The heat storage type automotive thermal management device according to claim 1, wherein the first refrigeration branch and the second refrigeration branch are connected in parallel.
4. The heat storage type automotive thermal management device according to claim 3, wherein the refrigeration system assembly includes:
a compressor disposed on the refrigeration main path and configured to compress a refrigerant;
a condenser provided on the refrigeration main path and communicating with the compressor;
a first throttling element disposed on the first refrigeration branch and in communication with the condenser;
and a second throttling element disposed on the second refrigeration branch and in communication with the condenser.
5. The heat storage automotive thermal management device of claim 2, wherein a portion of the first heat exchange device is in communication with a refrigeration circuit and another portion is in communication with a heat exchange medium circuit, wherein the first heat exchange device includes a first inlet and a first outlet for flow of refrigerant therethrough and a second inlet and a second outlet for flow of heat exchange medium therethrough; and/or
The second heat exchange device comprises a first inlet and a first outlet for refrigerant to flow through, and a second inlet and a second outlet for air to flow through; and/or
The third heat exchange device comprises a first inlet and a first outlet for air to flow through, and a second inlet and a second outlet for heat exchange medium to flow through;
the cold storage device comprises a first inlet and a first outlet for the flow of a refrigerant, and a second inlet and a second outlet for the flow of a heat exchange medium.
6. The heat storage type automotive thermal management apparatus according to claim 2, further comprising an electric heater provided on the heating branch for heating a heat exchange medium.
7. The heat storage type automotive thermal management device according to claim 2, further comprising:
the first three-way proportional valve is arranged on the heat exchange medium main loop, a first path of the first three-way proportional valve is communicated with a second outlet of the first heat exchange device, a second path of the first three-way proportional valve is communicated with a first path of a third three-way proportional valve and the heating branch, and a third path of the first three-way proportional valve is communicated with the first heat exchange branch;
the second three-way proportional valve is arranged on the heat exchange medium main loop, a first path of the second three-way proportional valve is communicated with a second inlet of the first heat exchange device and the first heat exchange branch, a second path of the second three-way proportional valve is communicated with a second outlet of the cold storage device and the second heat exchange branch, and a third path of the second three-way proportional valve is communicated with the heating branch;
the third three-way proportional valve is arranged on the heat exchange medium main loop, a first path of the third three-way proportional valve is communicated with the first path of the first three-way proportional valve and the heating branch, a second path of the third three-way proportional valve is communicated with a second outlet of the cold storage device, and a third path of the third three-way proportional valve is communicated with the second heat exchange branch.
8. The heat storage type automotive thermal management device according to claim 5, further comprising:
the first water pump and the second water pump are configured to power the circulating flow of the heat exchange medium.
9. The heat storage type automotive thermal management device according to claim 4, further comprising:
an electronic fan mounted on the condenser;
and a blower in communication with the second heat exchange device and the third heat exchange device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320050153.1U CN219312470U (en) | 2023-01-09 | 2023-01-09 | Cold storage type automobile heat management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320050153.1U CN219312470U (en) | 2023-01-09 | 2023-01-09 | Cold storage type automobile heat management device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219312470U true CN219312470U (en) | 2023-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320050153.1U Active CN219312470U (en) | 2023-01-09 | 2023-01-09 | Cold storage type automobile heat management device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219312470U (en) |
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2023
- 2023-01-09 CN CN202320050153.1U patent/CN219312470U/en active Active
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