CN203660018U - Heat management device - Google Patents
Heat management device Download PDFInfo
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- CN203660018U CN203660018U CN201320845030.3U CN201320845030U CN203660018U CN 203660018 U CN203660018 U CN 203660018U CN 201320845030 U CN201320845030 U CN 201320845030U CN 203660018 U CN203660018 U CN 203660018U
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- temperature control
- battery
- galvanic couple
- management device
- power supply
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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 provides a heat management device and relates to the technical field of an automobile power battery. The heat management device comprises a heating cooling system, a heat insulating material and a battery temperature control system, wherein the heating cooling system comprises a galvanic couple unit consisting of N groups of semiconductors connected in series, a current gating component and a power supply; the galvanic couple unit is connected with a battery pack through the heat insulating material; the battery temperature control system comprises a temperature sensor and a temperature control module; the temperature control module is used for controlling on and off of the current gating component according to the temperature acquired by the temperature sensor in real time. The device has the effects of avoiding the problems of air cooling and water cooling and also achieving a dual heating and refrigeration function, and has the advantages of simple structure, high temperature control precision, no demand on any coolant, environment protection and low power consumption.
Description
Technical field
The utility model relates to automobile power cell technical field, is specifically related to a kind of heat management device that is applied to automobile power cell.
Background technology
The performance of electric automobile and safety depend on state and the useful life of battery pack to a great extent, and the state of battery pack and life-span are subject to the impact of battery pack heat management, temperature is too high can be reduced the useful life of battery, and may produce the safety problems such as blast.The too low service behaviour that can reduce battery of temperature, low temperature also may destroy the electrolyte of battery and cause the discarded of battery.
Have for temperature of powered cell cooling means at present: air-cooled and two kinds of modes of water-cooled: air-cooled is mainly to utilize the wind that in natural air or car, air-conditioning produces to enter via the inner air channel of power brick from the air inlet of power brick, blown out by power brick air outlet again, realize battery pack cooling, air-cooled have a cooling and parallel type of cooling of serial, serial mode be wind from power brick one blow side into, blow out from opposite side, this mode can cause power brick heat radiation uneven.Fig. 1 is the cooling schematic diagram of power brick serial; Parallel mode is that wind is blown into from power brick bottom, blows out from top, and almost identical air capacity flows through the surface of each battery pack, can make power brick Homogeneouslly-radiating.Fig. 2 is the parallel cooling schematic diagram of power brick.Water-cooled is mainly by water, water pump, radiator, water inlet pipe, outlet pipe, the cooling system of the composition such as power brick inner lead.Because liquid has higher thermal capacity and conductive coefficient, in the case of identical volume and flow velocity, water-cooled successful is better than air-cooled.Fig. 3 is the water-cooled schematic diagram of power brick.
Although air-cooled fairly simple, cost is low, cooling effect is undesirable, especially in hot environment, in the situation of high current discharge, than being easier to occur thermal runaway, causes security incident.And water-cooled will consider that sealing, insulation, power brick specific energy reduce and Cost Problems.For electrokinetic cell can be worked under good temperature environment, we had both needed to improve the cooling means for temperature of powered cell, also needed electrokinetic cell under low temperature environment to control simultaneously.
Utility model content
(1) technical problem solving
For the deficiencies in the prior art, the utility model provides a kind of heat management device, improves for the cooling means of temperature of powered cell, and electrokinetic cell can be worked under good temperature environment.
(2) technical scheme
For realizing above object, the utility model is achieved by the following technical programs:
A kind of heat management device, for the battery pack of power brick is carried out to heat management, this heat management device comprises heating and cooling system, partiting thermal insulation material, battery temperature control system,
Described heating and cooling system comprises galvanic couple group, electric current gating component and the power supply that N group semiconductor is composed in series; Described galvanic couple group is connected with battery pack by partiting thermal insulation material;
Described battery temperature control system comprises temperature sensor and temperature control modules, the folding of electric current gating component described in the temperature control that described temperature control modules arrives according to described temperature sensor Real-time Collection.
Preferably, described galvanic couple group is placed in one end of battery set electrode, is placed in the described galvanic couple group of one end and described electric current gating component and power supply and forms closed circuit.
Preferably, described galvanic couple group is placed in the two ends of battery set electrode, is placed in the described galvanic couple group at two ends and described electric current gating component and power supply and forms closed circuit.
Preferably, described electric current gating component is double-point double-throw switch.
Preferably, described power supply is 12V or 24V power supply.
Preferably, described partiting thermal insulation material wraps battery pack.
Preferably, this heat management device also comprises fan.
(3) beneficial effect
The utility model provides a kind of heat management device.The device with Peltier effect is placed in to power brick inside, realizes the heating and cooling to ambient temperature by heat release and the heat absorption of battery temperature control module control device, battery can normally be worked under good temperature environment.This device has been avoided the problem of air-cooled and water-cooled of the prior art, can realize heating and refrigeration dual-use function simultaneously, and this device has simple in structure, and temperature control precision is high, without any need for refrigerant, and environmental protection, the advantage that energy consumption is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the cooling schematic diagram of power brick serial;
Fig. 2 is the parallel cooling schematic diagram of power brick;
Fig. 3 is the water-cooled schematic diagram of power brick;
Fig. 4 is Peltier effect schematic diagram;
Fig. 5 is the heat management device structural representation in the utility model embodiment;
Fig. 6 is the heat management device structural representation in the utility model embodiment;
Fig. 7 is the heat management device structure radiating state schematic diagram in the utility model embodiment;
Fig. 8 is the heat management device structure state of cooling schematic diagram in the utility model embodiment;
In figure: 1 is power brick, 2 is partiting thermal insulation material, and 3 is battery pack.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Peltier effect under paper:
Peltier effect refers in the time of the loop of direct current by being connected to form by different conductor, can produce the phenomenon of neither endothermic nor exothermic at node.
As shown in Figure 4, be Peltier effect schematic diagram.The charge carrier of N-type element is electronics, and the charge carrier of P type element is hole.When the N-type element access direct current positive pole of thermoelectric couple, when P type element access negative pole, electronics in N-type element moves down under electric field action, in the positive charge polymerization of lower end and power supply, heat release when polymerization, hole in same P type element moves down under electric field action, in the negative electrical charge polymerization of lower end and power supply, heat release when polymerization; Meanwhile,
Electronics separates in upper end with hole, absorbs heat when separation.In the time changing sense of current, heat absorbing end can become release end of heat, and release end of heat can become heat absorbing end.
Embodiment 1:
As shown in Figure 5, the utility model embodiment provides a kind of heat management device, and for the battery pack of power brick is carried out to heat management, this heat management device comprises heating and cooling system, partiting thermal insulation material, battery temperature control system,
Described heating and cooling system comprises galvanic couple group, electric current gating component and the power supply that N group semiconductor is composed in series; Described galvanic couple group is connected with battery pack by partiting thermal insulation material;
Described battery temperature control system comprises temperature sensor and temperature control modules, the folding of electric current gating component described in the temperature control that described temperature control modules arrives according to described temperature sensor Real-time Collection.
Above-mentioned semiconductor is PN semiconductor.
Described battery temperature control system is a part for battery management system.
The device with Peltier effect is placed in power brick inside by the present embodiment, realizes the heating and cooling to ambient temperature by heat release and the heat absorption of battery temperature control module control device, and battery pack can normally be worked under good temperature environment.This device has been avoided the problem of air-cooled and water-cooled of the prior art, can realize heating and refrigeration dual-use function simultaneously, and this device has simple in structure, and temperature control precision is high, without any need for refrigerant, and environmental protection, the advantage that energy consumption is low.
Below the present embodiment is elaborated:
Electric current gating component, as a kind of device of controlling the sense of current, is preferably as double-point double-throw switch, also can be achieved by other identical functions mode.
As shown in Figure 5, as a kind of optimal way, the galvanic couple group being composed in series by N group semiconductor is placed in one end of battery set electrode, is placed in the described galvanic couple group of one end and described double-point double-throw switch and power supply and forms closed circuit.
As shown in Figure 6, as a kind of optimal way, the galvanic couple group being composed in series by N group semiconductor is placed in the two ends of battery set electrode, is placed in the described galvanic couple group at two ends and described double-point double-throw switch and power supply and forms closed circuit.Be placed in the two ends of battery set electrode, make to battery module dispel the heat and cooling can be more even.
Preferably, described power supply is 12V or 24V power supply, adapts with automobile power cell.
Preferably, described partiting thermal insulation material wraps battery pack.
Preferably, this heat management device also comprises fan, for power brick inside is ventilated, and heat radiation.Number of fans can be two, is placed in respectively the diagonal position of power brick.
This heat management device heating and cooling processing mode is described below in two kinds of situation:
As shown in Figure 7, in the time that the temperature sensor in battery temperature control module detects that the temperature of battery pack in electrokinetic cell bag exceedes preset temperature in real time, process according to measured temperature computation institute calorific requirement, determine required size of current, and by the double-point double-throw switch control sense of current:
Now, K1 and Line 1 termination are logical, and K2 and No. 4 line ends are connected, and the sense of current is according to the direction stream of N-P-N-P, and at this time galvanic couple group is in heat release state towards the direction of battery pack, and battery pack is heated.
As shown in Figure 8, the temperature that battery pack in electrokinetic cell bag detected in real time when the temperature sensor in battery temperature control module is during lower than preset temperature, process according to measured temperature computation institute calorific requirement, determine required size of current, and by the double-point double-throw switch control sense of current:
Now K1 and No. 2 line ends are connected, and K2 and No. 3 line ends are connected, and the sense of current is along the direction stream of P-N-P-N, and the sense of current is reverse, and at this time galvanic couple group is that battery pack is cooled in heat absorption state towards the direction of battery pack.
In sum, the utility model device has avoided stating air-cooled and problem water-cooled, can realize heating and refrigeration dual-use function simultaneously, and this device has simple in structure, and temperature control precision is high, without any need for refrigerant, and environmental protection, the advantage that energy consumption is low.
It should be noted that, term " comprises " in this article, " comprising " or its any other variant be intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.
Claims (7)
1. a heat management device, carries out heat management for the battery pack to power brick, it is characterized in that, this heat management device comprises heating and cooling system, partiting thermal insulation material, battery temperature control system,
Described heating and cooling system comprises galvanic couple group, electric current gating component and the power supply that N group semiconductor is composed in series; Described galvanic couple group is connected with battery pack by partiting thermal insulation material;
Described battery temperature control system comprises temperature sensor and temperature control modules, the folding of electric current gating component described in the temperature control that described temperature control modules arrives according to described temperature sensor Real-time Collection.
2. management devices as claimed in claim 1, is characterized in that, described galvanic couple group is placed in one end of battery set electrode, is placed in the described galvanic couple group of one end and described electric current gating component and power supply and forms closed circuit.
3. management devices as claimed in claim 1, is characterized in that, described galvanic couple group is placed in the two ends of battery set electrode, is placed in the described galvanic couple group at two ends and described electric current gating component and power supply and forms closed circuit.
4. the management devices as described in as arbitrary in claim 1～3, is characterized in that, described electric current gating component is double-point double-throw switch.
5. management devices as claimed in claim 1, is characterized in that, described power supply is 12V or 24V power supply.
6. management devices as claimed in claim 1, is characterized in that, described partiting thermal insulation material wraps battery pack.
7. management devices as claimed in claim 1, is characterized in that, this heat management device also comprises fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320845030.3U CN203660018U (en) | 2013-12-19 | 2013-12-19 | Heat management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320845030.3U CN203660018U (en) | 2013-12-19 | 2013-12-19 | Heat management device |
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| CN203660018U true CN203660018U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320845030.3U Expired - Fee Related CN203660018U (en) | 2013-12-19 | 2013-12-19 | Heat management device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470589A (en) * | 2014-08-29 | 2016-04-06 | 比亚迪股份有限公司 | Battery system, battery thermal management method and apparatus, and battery management unit |
| CN106450584A (en) * | 2016-12-07 | 2017-02-22 | 锐奇控股股份有限公司 | Battery pack |
| CN106486719A (en) * | 2016-12-07 | 2017-03-08 | 东风商用车有限公司 | A kind of power battery thermal management system based on semiconductor chilling plate |
| CN109888437A (en) * | 2019-04-18 | 2019-06-14 | 吉林大学 | A kind of cooling heating system of battery pack |
| CN112947622A (en) * | 2020-12-01 | 2021-06-11 | 东风越野车有限公司 | Temperature control device based on semiconductor |
| CN114374026A (en) * | 2022-01-06 | 2022-04-19 | 阿尔特汽车技术股份有限公司 | Method and system for regulating temperature of battery pack and vehicle |
-
2013
- 2013-12-19 CN CN201320845030.3U patent/CN203660018U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470589A (en) * | 2014-08-29 | 2016-04-06 | 比亚迪股份有限公司 | Battery system, battery thermal management method and apparatus, and battery management unit |
| CN105470589B (en) * | 2014-08-29 | 2019-01-11 | 比亚迪股份有限公司 | Battery system, battery thermal management method and device, battery management unit |
| CN106450584A (en) * | 2016-12-07 | 2017-02-22 | 锐奇控股股份有限公司 | Battery pack |
| CN106486719A (en) * | 2016-12-07 | 2017-03-08 | 东风商用车有限公司 | A kind of power battery thermal management system based on semiconductor chilling plate |
| CN109888437A (en) * | 2019-04-18 | 2019-06-14 | 吉林大学 | A kind of cooling heating system of battery pack |
| CN109888437B (en) * | 2019-04-18 | 2024-03-29 | 吉林大学 | Battery pack cooling and heating system |
| CN112947622A (en) * | 2020-12-01 | 2021-06-11 | 东风越野车有限公司 | Temperature control device based on semiconductor |
| CN114374026A (en) * | 2022-01-06 | 2022-04-19 | 阿尔特汽车技术股份有限公司 | Method and system for regulating temperature of battery pack and vehicle |
| CN114374026B (en) * | 2022-01-06 | 2024-05-14 | 阿尔特汽车技术股份有限公司 | Temperature adjustment method and system for battery pack and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180516 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing treasure Car Co.,Ltd. Address before: 102206, Beijing, Shahe Town, Changping District Road, sand Yang Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20211219 |