CN209607877U - One kind being based on bicirculating power battery pack heat management system - Google Patents
One kind being based on bicirculating power battery pack heat management system Download PDFInfo
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- CN209607877U CN209607877U CN201822066119.5U CN201822066119U CN209607877U CN 209607877 U CN209607877 U CN 209607877U CN 201822066119 U CN201822066119 U CN 201822066119U CN 209607877 U CN209607877 U CN 209607877U
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- battery pack
- ptc heater
- compressor
- bicirculating
- management system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of based on bicirculating power battery pack heat management system, including battery pack BMS, thermal management controller, compressor, ptc heater A and ptc heater B, the one end the battery pack BMS is connected with battery pack water inlet temperature sensor, the other end is connected with battery pack outlet temperature sensor, the battery pack water inlet temperature sensor side is connected with three-way diverter valve B, the side the three-way diverter valve A is connected with cooler, the other side connects battery radiator, the battery radiator side is connected with compressor, the compressor side is connected with electric water pump A, the other side is connected with cooler, the side the electric water pump A is connected with ptc heater B；This kind solves the problems, such as that, to the heating of water-cooled cells packet and cooling, energy consumption of compressor can be reduced to greatest extent by introducing Two-way Cycle in cooling operating condition based on bicirculating power battery pack heat management system.
Description
Technical field
It is specifically a kind of to be based on bicirculating power battery pack the utility model relates to electric car thermal management technology field
Heat management system.
Background technique
Its history of electric car thermal management technology is not long, is a kind of emerging technology.Current electric car passenger car or
The battery of commercial vehicle has generallyd use lithium ion battery.Lithium ion battery has the sensibility of height, the best work of lithium electricity to temperature
Make temperature range between 15 DEG C to 30 DEG C.It cannot normal charge and discharge at 0 DEG C or less or 45 DEG C or more.In order to allow battery more
It is worked normally at a temperature of wide, the technology currently generallyd use is to install heating film and air duct additional in battery core mould group.This technology has
The unbalanced disadvantage of heating temperature leads to battery core excessive temperature differentials, the defect that Duct design is complicated and radiating efficiency is low.To understand
Certainly drawbacks described above, the present invention are heated or are radiated to battery pack battery core by the way of water cooling.Can make battery core temperature it is rapid on
It rises and the temperature difference substantially reduces.Vehicle-mounted compressor can be used when battery pack high temperature to be freezed rapidly, battery core temperature is allowed to drop rapidly
It is low.The vehicle-mounted heating and cooling system to match with water-cooled cells packet is introduced herein, and the introducing of the invention is double
Circulating cooling.When battery pack needs cooling, two cooling cycles are set, when battery pack radiating requirements are lesser by dissipating
Boiler carries out fan coolling, and it is cold rapidly to battery core progress by chilled water that compressor is opened when radiating requirements are larger
But.Purpose of design is to guarantee that reducing the compressor available machine time under the premise of cooling effect to greatest extent utmostly reduces energy in this way
Consumption.
Utility model content
The utility model provides one kind based on bicirculating power battery pack heat management system, solves to water-cooled cells packet
Heating and cooling problem, energy consumption of compressor can be reduced to greatest extent by introducing Two-way Cycle in cooling operating condition.
To achieve the above object, the utility model provides the following technical solution:
The utility model one kind is based on bicirculating power battery pack heat management system, including battery pack BMS, heat management control
Device, compressor, ptc heater A and the one end ptc heater B, the battery pack BMS processed are connected with battery pack water inlet temperature biography
Sensor, the other end are connected with battery pack outlet temperature sensor, and the battery pack water inlet temperature sensor side is connected with
The side three-way diverter valve B, the three-way diverter valve A is connected with cooler, and the other side connects battery radiator, the battery heat dissipation
Device side is connected with compressor, and the compressor side is connected with electric water pump A, and the other side is connected with cooler, described electronic
The side water pump A is connected with PTC heater B, and the side the ptc heater B is connected with battery pack outlet temperature sensor, institute
It states cooler side and is connected with cut-off expansion valve, the other side is connected with interior evaporator and compressor, the cut-off expansion valve one
Side is connected with solenoid valve, and the other side is connected with high-voltage switch gear, and the solenoid valve side is connected with expansion valve, the expansion valve side
It is connected with interior evaporator, the compressor side is connected with air-conditioning condenser, and the air-conditioning condenser side is provided with condensation
Blower, the high-voltage switch gear side are provided with expansion water supply tank, and the expansion water supply tank side is connected with electric water pump B, described
The side electric water pump B is connected with ptc heater A, and the side PTC heater A is connected with hot water radiation, and the hot-water heating dissipates
Hot device side is provided with air blower.
As a kind of optimal technical scheme of the utility model, the battery pack BMS, thermal management controller, the compression
Machine, the ptc heater A, the communication between the ptc heater B are using 500K high-speed CAN network.
As a kind of optimal technical scheme of the utility model, the battery pack BMS is controlled by CAN bus and heat management
Device connection.
As a kind of optimal technical scheme of the utility model, the three-way diverter valve A, the three-way diverter valve B, institute
Cut-off expansion valve, the electric water pump A, the electric water pump B is stated to connect with the thermal management controller by rigid line.
As a kind of optimal technical scheme of the utility model, the battery pack water inlet temperature sensor, the battery
Packet outlet temperature sensor is connected by the analog acquisition mouth of rigid line and thermal management controller.
As a kind of optimal technical scheme of the utility model, the battery pack water inlet temperature sensor, the battery
Packet outlet temperature sensor is connected by the analog acquisition mouth of rigid line and thermal management controller.
It is the battery pack BMS, the thermal management controller, described as a kind of optimal technical scheme of the utility model
Compressor, the ptc heater A, the communication between the ptc heater B are connected to the network using 500K high-speed CAN.
As a kind of optimal technical scheme of the utility model, battery core temp probe is provided in the battery pack BMS.
As a kind of optimal technical scheme of the utility model, set in the ptc heater A and the ptc heater B
It is equipped with PTC temperature pair control adjuster.
The utility model beneficial effect achieved is: the structure design of the utility model is reasonable, with vehicle-mounted compressor and water
Case radiator and hot-water heating PTC realize the active control to water-cooled cells packet temperature.To broaden the normal work of battery pack significantly
The temperature range of work.Be battery pack service life it is elongated, capacity attenuation becomes smaller.Battery pack heat management is to utilize liquid cooling or liquid
The mode of heating is to the management process that battery core temperature is controlled in battery pack.At low ambient temperatures in order to which vehicle is in low temperature environment
Under can be compared with charging quickly.Heating device is arranged in battery pack.Heat cycles are carried out to coolant liquid by battery pack external PTC, by electricity
It wraps interior water-cooled plate and the battery core in battery pack is heated in pond.In charging, battery pack heating provides electric power by charging gun.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the utility model principle figure；
Fig. 2 is the utility model data network topology structure chart；
Fig. 3 is the utility model control principle drawing；
Fig. 4 is the utility model computer heating control schematic diagram；
Fig. 5 is the utility model refrigeration control schematic diagram；
In figure: 1, battery pack BMS；2, battery pack water inlet temperature sensor；3, cooler；4, battery pack outlet temperature
Sensor；5, ptc heater B；6, electric water pump A；7, three-way diverter valve B；8, three-way diverter valve A；9, end expansion valve；10,
Interior evaporator；11, expansion valve；12, solenoid valve；13, ptc heater A；14, hot water radiation；15, air blower；16, electronic
Water pump B；17, compressor；18, condensation fan；19, high-voltage switch gear；20, water supply tank is expanded；21, battery radiator；22, air-conditioning cold
Condenser；23, battery core temperature master control；24, thermal management controller；25, battery core temp probe；26, PTC temperature pair control adjuster.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figs. 1-5, including battery pack BMS1, thermal management controller 24, compressor 17, ptc heater
A13 and the one end ptc heater B5, the battery pack BMS1 are connected with battery pack water inlet temperature sensor 2, and the other end is connected with
Battery pack outlet temperature sensor 4,2 side of battery pack water inlet temperature sensor are connected with three-way diverter valve B7, institute
It states the side three-way diverter valve A8 and is connected with cooler 3, the other side connects battery radiator 21, and 21 side of battery radiator connects
It is connected to compressor 17,17 side of compressor is connected with electric water pump A6, and the other side is connected with cooler 3, the electric water
The pump side A6 is connected with ptc heater B5, and the side the ptc heater B5 is connected with battery pack outlet temperature sensor 4, institute
It states 3 side of cooler and is connected with cut-off expansion valve 9, the other side is connected with interior evaporator 10 and compressor 17, and the cut-off is swollen
Swollen 9 side of valve is connected with solenoid valve 12, and the other side is connected with high-voltage switch gear 19, and 12 side of solenoid valve is connected with expansion valve
11,11 side of expansion valve is connected with interior evaporator 10, and 17 side of compressor is connected with air-conditioning condenser 22, described
22 side of air-conditioning condenser is provided with condensation fan 18, and 19 side of high-voltage switch gear is provided with expansion water supply tank 20, described swollen
Swollen 20 side of water supply tank is connected with electric water pump B16, and the side the electric water pump B16 is connected with ptc heater A13, the PTC
The side heater A13 is connected with hot water radiation 14, and 14 side of hot water radiation is provided with air blower 15.
In order to make this kind be based on bicirculating power battery pack heat management system it is easy to use, the battery pack BMS1, heat
Management Controller 24, the compressor 17, the ptc heater A13, the communication between the ptc heater B5 are to use
500K high-speed CAN network, the battery pack BMS1 are connect by CAN bus with thermal management controller 24, the heat management control
Device 24 is to be connect by CAN bus with ptc heater A13, ptc heater B5, compressor 17, the three-way diverter valve A8, institute
State three-way diverter valve B7, the cut-off expansion valve 9, the electric water pump A, the electric water pump B and the thermal management controller
24 are connected by rigid line, and the battery pack water inlet temperature sensor 2, the battery pack outlet temperature sensor 4 pass through hard
Line is connect with the analog acquisition mouth of thermal management controller 24, the battery pack BMS1, the thermal management controller 24, the pressure
Contracting machine 17, the ptc heater A13, the communication between the ptc heater B5 are connected to the network using 500K high-speed CAN, institute
It states and is provided with battery core temp probe 25 and battery core temperature master control 23 in battery pack BMS1, the ptc heater A13 and the PTC
PTC temperature pair control adjuster 26 is provided in heater B5.
The structure design of the utility model is reasonable, be by liquid is cooling or liquid heating in the way of in battery pack BMS1
The management process that battery core temperature is controlled.At low ambient temperatures in order to which vehicle at low ambient temperatures can be compared with charging quickly.Battery
It wraps BMS1 and heating device is set.Coolant liquid is added by battery pack BMS1 external ptc heater A13 and PTC heater B5
Thermal cycle heats the battery core in battery pack by water-cooled plate in battery pack BMS1.Charging when battery pack BMS1 heating by
Charging gun provides electric power.The circulating path of heating process: coolant liquid is after ptc heater B5 heating, into battery pack BMS1
Liquid cooling pipeline and water-cooled plate, heat battery core, and then coolant liquid flows out battery pack BMS1, into three-way diverter valve A8, then
Into cooler 3 at this time cooler 3 without change it is cold finally by three-way diverter valve B7 enter electric water pump A6 pressurization realize follow
Ring.
In order to guarantee that battery pack battery core temperature is in optimum temperature range, many times battery pack BMS1 is to need to cool down
's.When battery pack BMS1 is cooling, two cooling circuits are devised.When temperature is less high with expansion water supply tank 20 plus air blower 15
It radiates.It is cooling rapidly by cooler 3 with chilled water that compressor 17 is opened when temperature is higher.
Under normal circumstances, when battery core temperature is greater than 35 DEG C, thermal management controller 24 opens systemic circulation, by expanding moisturizing
Case 20 and air blower 15 radiate.Circulating path: coolant liquid changes road cooling by three-way diverter valve A8 from the outflow of battery pack outlet pipe
Then liquid stream flows into electric water pump A6 by three-way diverter valve B7 into battery radiator 21, at this time using ptc heater B5
Hot-fluid is not added into battery pack BMS1 in ptc heater B5.If temperature is down to 30 DEG C of systemic circulations and is closed.In summer, the operating condition is that comparison is normal
That sees adds expansion tank and the method for the heat dissipation of air blower 15 to cool the temperature to and avoid compressing in zone of reasonableness by the way that water cooling is arranged
The frequent operation of machine 17 reduces a large amount of energy consumptions.
If battery pack BMS1 temperature is increased to always 45 DEG C, opens refrigeration partial circulating compressor 17 and work.Temperature is down to
The partial circulating that freezes at 40 DEG C is closed.
Circulating path: PTC's coolant liquid does not work at this time by ptc heater B5, into battery pack BMS1 liquid cooling pipeline and
Water-cooled plate heats battery core, and then coolant liquid outflow battery pack BMS1 enters back into cooler 3 into three-way diverter valve A8
The start-up operation of cooler 3 at this time, which change, cold to be entered electric water pump A6 pressurization finally by three-way diverter valve B7 and realizes circulation.Add
Heat shares a set of water route with refrigeration, reduces pipeline and solenoid valve 12 also reduces cost simultaneously.
The temperature optimum interval of battery pack is 10 DEG C -35 DEG C, when battery core temperature is in this section heat management system not work
Make section in a dormant state.When temperature is below or above Optimal Temperature section, battery pack BMS1 is sent out to thermal management controller 24
It send and wakes up message wake-up thermal management controller 24 and send battery core temperature data in real time.
Generally, when battery core temperature is lower than 10 DEG C, battery pack BMS1 wakes up thermal management controller 24.Thermal management controller
24 first judge vehicle whether in charged state, if opening heating mode, at this time heat pipe in charged state thermal management controller 24
Reason controller 24 can send heating instructions by CAN bus and give ptc heater B5, while thermal management controller 24 is opened by rigid line
The electric water pump A6 opened in schematic diagram is recycled.
The control principle of heating process is the battery pack BMS1 water inlet temperature using battery pack BMS1 battery core temperature as master control target
Degree is secondary control target, is the double loop cascade control system for controlling variable and forming with PTC temperature pair control adjuster 26.Serials control
System is that the output of major loop controller is the given of loop control unit.Rapidly with system response, strong antijamming capability is famous, such as
Shown in Fig. 4.
In order to which the work for making heating system stable avoids heating device frequent start-stop, temperature hysteresis section, hysteresis are increased
Section sets 2 DEG C.So battery core temperature is given when heating battery pack BMS1 when being set as 12 DEG C and battery core temperature lower than 10 DEG C
It can open.When temperature is higher than 13 DEG C, stop heating.Temperature stops heating when being lower than 10 DEG C, repeatedly so.
When battery temperature is higher than 35 DEG C, thermal management controller 24 opens systemic circulation, is radiated by air blower 15.Heat management
Controller 24 controls three-way diverter valve A8 and changes road, water route is switched in the systemic circulation equipped with battery radiator 21, if temperature
Condensation fan 18 is opened when rising to 37 DEG C, condensation fan 18 is closed when temperature drops to 33 DEG C.If temperature drops to 33 DEG C, close
Systemic circulation is closed, thermal management controller 24, which enters, starts suspend mode.
When battery temperature continuous high temperature is higher than 45 DEG C, thermal management controller 24 controls three-way diverter valve A8, triplet commutation
Partial circulating circuit is opened in valve B7 movement.And open expansion valve 11 and the cut-off unlatching work of compressor 17 of expansion valve 9.Temperature is down to
The partial circulating that freezes at 36 DEG C is closed, into systemic circulation radiating mode.
For the control principle of process of refrigerastion using battery pack battery core temperature as master control target, battery pack BMS1 water inlet temperature is pair
Target is controlled, is the double loop cascade control system for controlling variable and forming with 17 revolving speed of compressor, as shown in Figure 5.When battery core temperature
After thermal management controller 24 enters refrigeration mode when higher than 45 DEG C, battery core control temperature given value is set as 36 DEG C.When battery core temperature
Compressor 17 stops working when reaching set temperature.By introducing two close cycles serials control, the compressor compared with unity loop control
17 revolving speeds are more steady, and cooling effect is faster.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (9)
1. one kind be based on bicirculating power battery pack heat management system, including battery pack BMS (1), thermal management controller (24),
Compressor (17), ptc heater A (13) and ptc heater B (5), which is characterized in that (1) one end battery pack BMS connection
There is battery pack water inlet temperature sensor (2), the other end is connected with battery pack outlet temperature sensor (4), the battery pack
Water inlet temperature sensor (2) side is connected with three-way diverter valve B (7), and three-way diverter valve A (8) side is connected with cooling
Device (3), the other side connect battery radiator (21), and battery radiator (21) side is connected with compressor (17), the pressure
Contracting machine (17) side is connected with electric water pump A (6), and the other side is connected with cooler (3), (6) side the electric water pump A connection
Have ptc heater B (5), ptc heater B (5) side is connected with battery pack outlet temperature sensor (4), the cooling
Device (3) side is connected with cut-off expansion valve (9), and the other side is connected with interior evaporator (10) and compressor (17), the cut-off
Expansion valve (9) side is connected with solenoid valve (12), and the other side is connected with high-voltage switch gear (19), solenoid valve (12) the side connection
Have expansion valve (11), expansion valve (11) side is connected with interior evaporator (10), and compressor (17) side is connected with
Air-conditioning condenser (22), air-conditioning condenser (22) side are provided with condensation fan (18), high-voltage switch gear (19) side
It is provided with expansion water supply tank (20), expansion water supply tank (20) side is connected with electric water pump B (16), the electric water pump B
(16) side is connected with ptc heater A (13), and ptc heater A (13) side is connected with hot water radiation (14), described
Hot water radiation (14) side is provided with air blower (15).
2. according to claim 1 a kind of based on bicirculating power battery pack heat management system, which is characterized in that described
Battery pack BMS (1), thermal management controller (24), the compressor (17), the ptc heater A (13), the ptc heater
Communication between B (5) is using 500K high-speed CAN network.
3. according to claim 1 a kind of based on bicirculating power battery pack heat management system, which is characterized in that described
Battery pack BMS (1) is connect by CAN bus with thermal management controller (24).
4. according to claim 1 a kind of based on bicirculating power battery pack heat management system, which is characterized in that described
Thermal management controller (24) is to be connect by CAN bus with ptc heater A (13), ptc heater B (5), compressor (17).
5. according to claim 1 a kind of based on bicirculating power battery pack heat management system, which is characterized in that described
It is three-way diverter valve A (8), the three-way diverter valve B (7), the cut-off expansion valve (9), the electric water pump A (6), described electronic
Water pump B (16) is connect with the thermal management controller (24) by rigid line.
6. according to claim 1 a kind of based on bicirculating power battery pack heat management system, which is characterized in that described
Battery pack water inlet temperature sensor (2), the battery pack outlet temperature sensor (4) pass through rigid line and thermal management controller
(24) analog acquisition mouth connection.
7. according to claim 1 a kind of based on bicirculating power battery pack heat management system, which is characterized in that described
Battery pack BMS (1), the thermal management controller (24), the compressor (17), the ptc heater A (13), the PTC add
Communication between hot device B (5) is connected to the network using 500K high-speed CAN.
8. according to claim 1 a kind of based on bicirculating power battery pack heat management system, which is characterized in that described
Battery core temp probe (25) and battery core temperature master control (23) are provided in battery pack BMS (1).
9. according to claim 1 a kind of based on bicirculating power battery pack heat management system, which is characterized in that described
PTC temperature pair control adjuster (26) is provided in ptc heater A (13) and the ptc heater B (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822066119.5U CN209607877U (en) | 2018-12-10 | 2018-12-10 | One kind being based on bicirculating power battery pack heat management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822066119.5U CN209607877U (en) | 2018-12-10 | 2018-12-10 | One kind being based on bicirculating power battery pack heat management system |
Publications (1)
| Publication Number | Publication Date |
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| CN209607877U true CN209607877U (en) | 2019-11-08 |
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ID=68396937
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822066119.5U Expired - Fee Related CN209607877U (en) | 2018-12-10 | 2018-12-10 | One kind being based on bicirculating power battery pack heat management system |
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| CN (1) | CN209607877U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768347A (en) * | 2018-12-10 | 2019-05-17 | 山东国金汽车制造有限公司 | One kind being based on bicirculating power battery pack heat management system |
| DE102021120744A1 (en) | 2021-08-10 | 2023-02-16 | Man Truck & Bus Se | Vehicle with coupled cooling circuits for cooling an electrochemical cell |
| TWI826875B (en) * | 2021-11-12 | 2023-12-21 | 新加坡商鴻運科股份有限公司 | Electric vehicle cooling system |
-
2018
- 2018-12-10 CN CN201822066119.5U patent/CN209607877U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768347A (en) * | 2018-12-10 | 2019-05-17 | 山东国金汽车制造有限公司 | One kind being based on bicirculating power battery pack heat management system |
| DE102021120744A1 (en) | 2021-08-10 | 2023-02-16 | Man Truck & Bus Se | Vehicle with coupled cooling circuits for cooling an electrochemical cell |
| TWI826875B (en) * | 2021-11-12 | 2023-12-21 | 新加坡商鴻運科股份有限公司 | Electric vehicle cooling system |
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