CN208536430U - Power battery refrigeration system - Google Patents
Power battery refrigeration system Download PDFInfo
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- CN208536430U CN208536430U CN201820994520.2U CN201820994520U CN208536430U CN 208536430 U CN208536430 U CN 208536430U CN 201820994520 U CN201820994520 U CN 201820994520U CN 208536430 U CN208536430 U CN 208536430U
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Abstract
The utility model discloses a kind of power battery refrigeration system, is related to electric vehicle engineering field, the system comprises: condenser, the condenser are provided at least two mutually isolated condensation parts, each described condensation part has independent entrance and outlet；Blower corresponding to the condenser and with the condenser cooperating；Corresponding to the compressor of the condensation part, the outlet of each compressor is connected with the import of the corresponding condensation part；Corresponding to the throttle valve of the condensation part, each described throttling valve inlet is connected with the outlet of the corresponding condensation part；And corresponding to the compressor and the battery cold plate of the throttle valve, the entrance of each battery cold plate is connected with the outlet of the corresponding throttle valve, and the outlet of each battery cold plate is connected with the entrance of the corresponding compressor.Using power battery refrigeration system provided by the utility model, power battery can be preferably cooled down.
Description
Technical field
The utility model relates to electric vehicle engineering fields, more particularly to a kind of power battery refrigeration system.
Background technique
Refrigeration system is the circulation loop being made of devices such as compressor-condenser-throttle valve-heat exchangers, passes through refrigeration
System can cool down power battery.Since power battery need to provide power resources for electric car, in power battery
In the presence of to the biggish battery pack of refrigeration capacity requirement, but existing solutions for refrigeration is unable to satisfy its refrigeration demand.
Utility model content
Based on this, it is necessary to provide a kind of power battery refrigeration system, can preferably cool down power battery.
The utility model embodiment provides a kind of power battery refrigeration system, the system comprises:
Condenser, the condenser are provided at least two mutually isolated condensation parts, each described condensation part has
Independent entrance and outlet；
Blower corresponding to the condenser and with the condenser cooperating；
Corresponding to the compressor of the condensation part, the outlet of each compressor and the corresponding condensation part into
Mouth connection；
Corresponding to the throttle valve of the condensation part, the outlet of each the throttling valve inlet and the corresponding condensation part
Connection；And
Corresponding to the compressor and the battery cold plate of the throttle valve, the entrance of each battery cold plate with it is corresponding
The throttle valve outlet connection, the outlet of each battery cold plate and the connection of the entrance of the corresponding compressor.
In a kind of optional embodiment, partition is equipped in the condenser；The partition divides the condenser
Inner space forms the mutually isolated condensation part.
In a kind of optional embodiment, the condenser is micro-channel condenser.
In a kind of optional embodiment, the condensation part include the first condensation part and the second condensation part, described first
The heat exchange area ratio of condensation part and second condensation part is 0.6.
In a kind of optional embodiment, at least one described throttle valve is electric expansion valve.
In a kind of optional embodiment, at least one described throttle valve is heating power expansion valve.
In a kind of optional embodiment, each described throttle valve is equipped with mutually isolated first passage and second and leads to
Road；The outlet of the condensation part is connected by the first passage of the corresponding throttle valve with the entrance of the corresponding battery cold plate
It connects；The outlet of the battery cold plate is connected by the second channel of the corresponding throttle valve with the entrance of the corresponding compressor
It connects.
In a kind of optional embodiment, at least one described compressor is motor compressor.
In a kind of optional embodiment, at least one described compressor is electric scroll formula compressor.
In a kind of optional embodiment, the power battery refrigeration system further include:
Corresponding to the condensation part and the first temperature and pressure integrative sensor of the compressor, each first temperature and pressure one
Sensor is set between the outlet of the corresponding compressor and the entrance of the condensation part；
Corresponding to the battery cold plate and the second temperature and pressure integrative sensor of the compressor, each second temperature and pressure one
Body sensor is set between the outlet of the corresponding battery cold plate and the entrance of the compressor.
Compared with the prior art, the utility model have it is following outstanding the utility model has the advantages that
Power battery refrigeration system provided by the utility model, it is cold by at least two of setting mutually isolated in condenser
Solidifying portion, at least two refrigerating circuits are together in parallel, refrigerating capacity is effectively improved, can preferably cool down power battery；Existing
At least two independent refrigerating circuits need to use at least two condensers in technology, due to condenser need to blower cooperating,
Therefore at least two condensers correspond at least two Fans.In contrast, the blower in the present embodiment with condenser cooperating
Quantity be one, effectively reduce the use of components, save installation space, reduce overall cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the power battery refrigeration system in the utility model embodiment one；
Fig. 2 is the top view of condenser 1 in Fig. 1；
Fig. 3 is the left side view of condenser 1 shown in Fig. 2；
Fig. 4 is the structural schematic diagram of the power battery refrigeration system in the utility model embodiment two.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" includes
Any and all combinations of one or more related listed items.
Embodiment one
Please refer to Fig. 1 and Fig. 2, the power battery refrigeration system 100 that embodiment one provides comprising condenser 1, the condensation
Device 1 is provided with mutually isolated the first condensation part 10 and the second condensation part 11.First condensation part 10 and the second condensation part 11 all have
There are independent entrance and outlet.Power battery refrigeration system 100 further include corresponding to the first condensation part 10 the first compressor 2,
The second compressor 6 corresponding to the second condensation part 11, the first throttle valve 3 corresponding to the first condensation part 10, correspond to it is second cold
The second throttle 7 in solidifying portion 11, corresponding to the first compressor 2 and first throttle valve 3 the first battery cold plate 4, correspond to second
Second battery cold plate 8 of compressor 6 and second throttle 7 and blower 5 corresponding to condenser 1 and 1 cooperating of condenser；
The outlet of first compressor 2 is connect with the entrance 1a of the first condensation part 10；The outlet 1b of first condensation part 10 passes through first throttle
Valve 3 is connect with the entrance of the first battery cold plate 4；The outlet of first battery cold plate 4 is connect with the entrance of the first compressor 2；
The outlet of second compressor 6 is connect with the entrance 1c of the second condensation part 11；The outlet 1d of second condensation part 11 passes through
Second throttle 7 is connect with the entrance of the second battery cold plate 8；The outlet of second battery cold plate 8 connects with the entrance of the second compressor 6
It connects.
As shown in connection with fig. 3, partition 25 is equipped in condenser 1；Partition 25 divide condenser 1 inner space formed mutually every
From first condensation part 10 and the second condensation part 1 can simplify the design of condenser 1 without using complicated isolation structure,
Conducive to the heat exchange area ratio of control the first condensation part 10 and the second condensation part 11.
Condenser 1 is micro-channel condenser, and heat exchange efficiency can be improved.
The heat exchange area ratio of first condensation part 10 and the second condensation part 11 is 0.6, is conducive to cold by the first battery of setting
In various degree cold is realized to the different location of power battery in the relative position of plate 4 and the second battery cold plate 8 and power battery
But, to meet the radiating requirements of power battery.In other embodiments, the heat exchange of the first condensation part 10 and the second condensation part 11
Area ratio can be other numerical value, can specifically be designed according to actual needs.
First throttle valve 3 is electric expansion valve；Second throttle 7 is electric expansion valve.Using electric expansion valve, can increase
Refrigerant flow adjustable range improves regulations speed, and improves the efficiency under different operating conditions.In other embodiments,
One throttle valve 3 can be heating power expansion valve；Second throttle 7 can be heating power expansion valve.
First compressor 2 is motor compressor；Second compressor 6 is motor compressor.Further, the first compressor 2 is
Electric scroll formula compressor；And/or second compressor 6 be electric scroll formula compressor.It, can using electric scroll formula compressor
Stability of the raising system under vibrational state, is more suitable for the cooling of power battery.
The discharge capacity of electric scroll formula compressor is 34CC.In other embodiments, electric scroll formula compressor can also be with
It is other discharge capacities.
Power battery refrigeration system 100 further includes the first temperature and pressure one corresponding to the first condensation part 10 and the first compressor 2
Body sensor 21, the first temperature and pressure integrative sensor 21 be set to the first compressor 2 outlet and the entrance of the first condensation part 10 it
Between；Corresponding to the first battery cold plate 4 and the second temperature and pressure integrative sensor 22 of the first compressor 2, which is integrally sensed
Device 22 is set between the outlet of the first battery cold plate 4 and the entrance of the first compressor 2.Pass through the first temperature/pressure sensor 21 measurement the
The outlet temperature and pressure of one compressor 2 measure the outlet temperature of the first battery cold plate 4 by the second temperature and pressure integrative sensor 22
Degree, convenient for controlled by comparing measured temperature and temperature threshold blower starting and opening degree, compressor starting with turn
The aperture of speed and electric expansion valve controls starting and the revolving speed of compressor by comparing surveyed pressure and threshold pressure, to protect
Demonstrate,prove the steady operation of power battery refrigeration system.
Power battery refrigeration system 100 further includes the third temperature and pressure one corresponding to the second condensation part 20 and the first compressor 6
Body sensor 23, the third temperature and pressure integrative sensor 23 be set to the second compressor 6 outlet and the entrance of the first condensation part 11 it
Between；Corresponding to the second battery cold plate 8 and the 4th temperature and pressure integrative sensor 24 of the first compressor 6, the 4th temperature and pressure are integrally sensed
Device 24 is set between the outlet of the first battery cold plate 8 and the entrance of the second compressor 6.Pass through the measurement of third temperature/pressure sensor 23 the
The outlet temperature and pressure of two compressors 6 measure the outlet temperature of the first battery cold plate 8 by the 4th temperature and pressure integrative sensor 24
Degree guarantees power electric convenient for further improving the control logic of power battery refrigeration system by measured temperature and surveyed pressure
The steady operation of pond refrigeration system.In other embodiments, third temperature and pressure integrative sensor 23 and the 4th temperature and pressure can not be used
Integrative sensor 24 reduces cost to reduce the part used.
Power battery refrigeration system 100 work when, the first refrigerant followed by the first condensation part 10, first throttle valve 3,
Battery cold plate 4, the first compressor 2 return to condenser 1, form the first refrigerating circuit；Second refrigerant is followed by the second condensation
Portion 20, first throttle valve 7, battery cold plate 8, the first compressor 6 return to the second condensation part 20, form the second refrigerating circuit.
It should be noted that the first condensation part 10 and the second condensation part 11 are merely illustrative, the quantity of condensation part is not
It is limited to two, it can be with more than two.
By at least two condensation parts of setting mutually isolated in condenser, at least two refrigerating circuits are together in parallel,
Refrigerating capacity is effectively improved, power battery can be preferably cooled down；At least two independent refrigerating circuits need to make in the prior art
With at least two condensers, since condenser need to be with blower cooperating, at least corresponding at least two typhoons of two condensers
Machine.In contrast, it is one with the quantity of the blower of condenser cooperating in the present embodiment, effectively reduces making for components
With saving installation space reduces overall cost.
Embodiment two
Referring to Fig. 4, the power battery refrigeration system 200 that embodiment two provides comprising: condenser 9, the first compressor
12, the second compressor 16, first throttle valve 13, second throttle 17, the first battery cold plate 14, the second battery cold plate 18 and use
In the blower 15 with 9 cooperating of condenser.Condensation part 9 includes the first condensation part 19 and the second condensation part 20.
What is different from the first embodiment is that first throttle valve 13 is heating power expansion valve；Second throttle 17 is heating power expansion valve.
In the present embodiment, heating power expansion valve is H-type expansion valve.First throttle valve 13 is equipped with mutually isolated first passage and second
Channel；The outlet of first condensation part 19 is connect by the first passage of first throttle valve 13 with the entrance of the first battery cold plate 14；
The outlet of first battery cold plate 14 is connect by the second channel of first throttle valve 13 with the entrance of the first compressor 12；Second section
It flows valve 17 and is equipped with mutually isolated first passage and second channel；The outlet of second condensation part 20 pass through second throttle 17 the
One channel is connect with the entrance of the second battery cold plate 18；The outlet of second battery cold plate 18 leads to by the second of second throttle 17
Road is connect with the entrance of the second compressor 16.For electric expansion valve, heating power expansion valve can simplified control program.At it
In his embodiment, first throttle valve 13 can be electric expansion valve, and second throttle 17 can be heating power expansion valve；Alternatively,
First throttle valve 13 can be heating power expansion valve, and second throttle 17 can be electric expansion valve.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of power battery refrigeration system characterized by comprising
Condenser, the condenser are provided at least two mutually isolated condensation parts, each described condensation part has independent
Entrance and outlet；
Blower corresponding to the condenser and with the condenser cooperating；
Corresponding to the compressor of the condensation part, the outlet of each compressor connects with the import of the corresponding condensation part
It connects；
Corresponding to the throttle valve of the condensation part, each described throttling valve inlet connects with the outlet of the corresponding condensation part
It connects；And
Corresponding to the compressor and the battery cold plate of the throttle valve, the entrance of each battery cold plate and corresponding institute
The outlet connection of throttle valve is stated, the outlet of each battery cold plate is connected with the entrance of the corresponding compressor.
2. power battery refrigeration system according to claim 1, which is characterized in that be equipped with partition in the condenser；Institute
It states partition and divides the inner space of the condenser and form the mutually isolated condensation part.
3. power battery refrigeration system according to claim 1, which is characterized in that the condenser is microchannel condensation
Device.
4. power battery refrigeration system according to claim 1, which is characterized in that the condensation part includes the first condensation part
With the second condensation part, the heat exchange area ratio of first condensation part and second condensation part is 0.6.
5. power battery refrigeration system according to claim 1, which is characterized in that at least one described throttle valve is electronics
Expansion valve.
6. power battery refrigeration system according to claim 1, which is characterized in that at least one described throttle valve is heating power
Expansion valve.
7. power battery refrigeration system according to claim 6, which is characterized in that each described throttle valve is equipped with mutual
The first passage and second channel of isolation；The outlet of the condensation part by the first passage of the corresponding throttle valve with it is corresponding
The battery cold plate entrance connection；The outlet of the battery cold plate by the second channel of the corresponding throttle valve with it is right
The entrance for the compressor answered connects.
8. power battery refrigeration system according to claim 1, which is characterized in that at least one described compressor is electronic
Compressor.
9. power battery refrigeration system according to claim 1, which is characterized in that at least one described compressor is electronic
Scroll compressor.
10. power battery refrigeration system according to claim 1, which is characterized in that further include:
Corresponding to the condensation part and the first temperature and pressure integrative sensor of the compressor, each first temperature and pressure are integrally sensed
Device is set between the outlet of the corresponding compressor and the entrance of the condensation part；
Corresponding to the battery cold plate and the second temperature and pressure integrative sensor of the compressor, each second temperature and pressure are integrally passed
Sensor is set between the outlet of the corresponding battery cold plate and the entrance of the compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994520.2U CN208536430U (en) | 2018-06-26 | 2018-06-26 | Power battery refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994520.2U CN208536430U (en) | 2018-06-26 | 2018-06-26 | Power battery refrigeration system |
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| Publication Number | Publication Date |
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| CN208536430U true CN208536430U (en) | 2019-02-22 |
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ID=65379127
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820994520.2U Active CN208536430U (en) | 2018-06-26 | 2018-06-26 | Power battery refrigeration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834558A (en) * | 2019-11-22 | 2021-05-25 | 盾安汽车热管理科技有限公司 | Battery cooling system test bench and test method of battery cooling system |
-
2018
- 2018-06-26 CN CN201820994520.2U patent/CN208536430U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834558A (en) * | 2019-11-22 | 2021-05-25 | 盾安汽车热管理科技有限公司 | Battery cooling system test bench and test method of battery cooling system |
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