CN1761098A - Structure of temperature controlled fan built in battery case - Google Patents
Structure of temperature controlled fan built in battery case Download PDFInfo
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- CN1761098A CN1761098A CNA2004100839484A CN200410083948A CN1761098A CN 1761098 A CN1761098 A CN 1761098A CN A2004100839484 A CNA2004100839484 A CN A2004100839484A CN 200410083948 A CN200410083948 A CN 200410083948A CN 1761098 A CN1761098 A CN 1761098A
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- battery case
- temperature
- control assembly
- electric core
- fan
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- 230000009183 running Effects 0.000 claims description 17
- 230000006903 response to temperature Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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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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- Secondary Cells (AREA)
Abstract
There is air inlet and air outlet setup at two side ends of closed battery case. Fans are installed at air inlet and air outlet. Thus, temperature controlled module, fans and circuit core form an electric loop. When temperature inside battery case exceeds default value, the temperature-controlled module will control operation of fan, guiding heat air to be exhausted from the battery case. Power source of the fans and the temperature-controlled module is from the circuit core inside battery case. Thus, battery case can operate independently whenever battery is in preserving, charging or discharging states. According to whether temperature inside case exceeds default value or not, the invention control operation of fan in order to ensure batteries work normally.
Description
Technical field
The present invention is a kind of structure of temperature controlled fan built in battery case, refers to that especially the applicable battery radiator structure that is subject to temperature rise and causes decay useful life designs.
Background technology
Along with the evolution day by day of battery science and technology, use battery module at present at mobile computer, video camera etc., mostly adopt solid state batteries such as NI-G, ni-mh, lithium; Aforementioned battery, though use quite conveniently, its cost is high and be subject to high temperature and cause the life-span decay, then is the technical bottleneck of its development; The cost height can see through volume production and solve, but working temperature influences the problem of battery life, and industrial circle does not then have preferable solution at present;
The situation of battery easy temperature influence in useful life, if do example explanation with lithium battery, its working temperature of lithium battery is required to maintain in-20 ℃～60 ℃ the scope; And if allow lithium battery continue to be in the environment more than 60 ℃ to surpass 24 hours (no matter whether battery is in user mode), then the life-span of lithium battery will decay to only surplus about below 30%, and can't hold electric energy fully, this shows the influence degree of temperature battery life; And this factor is having a strong impact on the running after the battery commercialization especially;
For example: it is quite general situation that mobile computer is placed in the car, the temperature of confined space is quite high usually in the summer car, vehicle is after burning sun tans by the sun, vehicle interior temperature can be up to 70 ℃～and 80 ℃, so will cause being placed in mobile computer battery life and usefulness rapid attenuation in the car, cause nonvolatil damage;
Again for example: the electric bicycle that drives out of doors, its battery life are subjected to Temperature Influence more serious again because summer the open air temperature can reach usually about 30 ℃～40 ℃, though temperature is in the temperature range that battery is allowed; Yet battery module is installed in airtight battery case usually, and after this airtight battery case was subjected to exposure in sunshine, its internal temperature usually can be up to more than 60 ℃, if continue to be in the condition of high temperature, this battery causes nonvolatil damage also with rapid attenuation;
Through above explanation as can be known, temperature is extremely huge for the influence of battery life and usefulness, and the development that has limited battery relatively is suitable for category.
Summary of the invention
Main purpose of the present invention, be to be to provide a kind of structure of temperature controlled fan built in battery case, the power supply of fan and temperature control assembly is directly from the electric core in the battery case, therefore running is independent, no matter battery is to be in preservation, charging, discharge condition, whether fan all can exceed predetermined value and running automatically according to temperature in the box, discharges hot gas in good time, guarantees that battery efficiency is normal.
To achieve the above object of the invention, the technical scheme that is adopted is as follows: a kind of structure of temperature controlled fan built in battery case comprises: a battery case is in order to as the ccontaining box body of electric core, and box body one side can offer air inlet, and side can offer exhaust outlet in addition; Can establish airspace between the inner wall of electricity core and battery case, and also can be provided with airspace between each electric core; One temperature control assembly, be and the electric core person of being electrically connected, but temperature control assembly sensing battery case temperature inside, and the temperature control assembly can change its control numerical value output relatively in response to temperature change in the box; At least one fan can be installed in the air inlet of battery case, does air-breathing running, and fan is to do electric loop with temperature control assembly and electric core to be connected; Mat makes fan can see through electric core power supply, and sees through the in good time turning operation of control of temperature control assembly.
This temperature control assembly is able to temperature and resistance and constitutes, and its resistance value of mat temperature and resistance can be in response to the characteristic of variations in temperature change, and the control fan turns round in good time.
Can prevent that according to this foreign matter from entering in the battery case in air inlet and the exhaust ports filter disc that is sticked.
Can dispose two fans in air inlet, carry out air-breathing running.
A kind of structure of temperature controlled fan built in battery case comprises: a battery case is in order to as the ccontaining box body of electric core, and box body one side can offer air inlet, and side can offer exhaust outlet in addition; Can establish airspace between the inner wall of electricity core and battery case, and also can be provided with airspace between each electric core;
One temperature control assembly, be and the electric core person of being electrically connected, but temperature control assembly sensing battery case temperature inside, and the temperature control assembly can change its control numerical value output relatively in response to temperature change in the box;
At least one fan can be installed in the exhaust outlet of battery case, does the exhaust running, and fan is to do electric loop with temperature control assembly and electric core to be connected; Mat makes fan can see through electric core power supply, and sees through the in good time turning operation of control of temperature control assembly.
A kind of structure of temperature controlled fan built in battery case comprises: a battery case is in order to as the ccontaining box body of electric core, and box body one side can offer air inlet, and side can offer exhaust outlet in addition; Can establish airspace between the inner wall of electricity core and battery case, and also can be provided with airspace between each electric core; One temperature control assembly, be and the electric core person of being electrically connected, but temperature control assembly sensing battery case temperature inside, and the temperature control assembly can change its control numerical value output relatively in response to temperature change in the box; Two fans can be installed in the exhaust outlet and the air inlet of battery case respectively, carry out air-breathing respectively and the exhaust running, and two fans are to do electric loop with temperature control assembly and electric core to be connected; Mat makes fan can see through electric core power supply, and sees through the in good time turning operation of control of temperature control assembly.
By structural design of the present invention, can guarantee that the interior temperature maintenance of battery case is in safe range, and the battery that originally To Be Protected from Heat can be extended to applicable as the scope of application as the outdoor hot environment of electric bicycle, no matter battery is to be in preservation, charging, discharge condition, whether fan all can exceed default value and running automatically according to temperature in the box, guarantees that battery efficiency is normal.
Description of drawings
Fig. 1 is a volume rendering schematic diagram of the present invention.
Fig. 2 is a side cross-sectional schematic of the present invention.
Fig. 3 is the cross-sectional schematic that goes up of the present invention.
Fig. 4 is that fan installing of the present invention is positioned at exhaust outlet operating condition schematic diagram.
Fig. 5 is that fan installing of the present invention is positioned at air entry operating condition schematic diagram.
Fig. 6 is that the present invention establishes double fan enforcement view in exhaust outlet.
Fig. 7 is that the present invention is respectively at exhaust outlet and air inlet installing fan operating state schematic diagram.
The figure number explanation
10 battery cases, 11 electric cores
12 air inlets, 13 exhaust outlets
101 airspaces, 20 temperature control assemblies
30 fans, 40 filter discs
Embodiment
About the present invention for reaching above-mentioned purpose, the technology that is adopted, means and effect, lift now a preferable possible embodiments cooperate graphic detailed description as after; At first, please cooperate and consult shown in Fig. 1,2,3, the structure of temperature controlled fan built in battery case that the embodiment of the invention provided mainly is made of a battery case, a temperature control assembly and at least one fan; Wherein:
This battery case 10 is in order to as the ccontaining box body of electric core 11 (CELL), can offer air inlet 12 in box body one side, and opposite side then can offer exhaust outlet 13; This is placed between each electric core 11 in the battery case 10 and the battery case 10 inner walls can establish airspace 101, also or between each electric core 11 also can be provided with airspace 101;
This temperature control assembly 20, be and electric core 11 persons of being electrically connected, but temperature control assembly 20 sensing battery cases 10 temperature inside, and temperature control assembly 20 can change its control output relatively in response to temperature change in the box; For example: if with temperature and resistance during as the embodiment of temperature control assembly 20, the resistance value of temperature and resistance can be in response to the change of temperature, and resistance value is changed relatively, that is the resistance value of temperature and resistance raise when temperature was high, then resistance value reduction when temperature reduces;
This fan 30 can be installed in the air inlet 12 or exhaust outlet 13 places of battery case 10, and fan 30 is to do electric loop with temperature control assembly 20 and electric core 11 to be connected; Mat makes fan 30 can see through electric core 11 power supplies, and rotates through the control of temperature control assembly 20 in good time, and this fan 30 can be selected the thin and low person of power consumption of volume for use;
The above assembly that is each member of the present invention and structure concerns the position, now its user mode is described in detail as follows:
With the lithium battery is example, its working temperature (comprising: preservation, charging, discharge condition) is required to remain between one 20 ℃～60 ℃, if it is used under hot environment, during the environment of especially long-time exposure in sunshine (as: electric bicycle), temperature tend to significantly be higher than 60 ℃ and cause permanent damage in the battery case 10;
The present invention is especially at two sides of enclosed cell box 10, offer air inlet 12 and exhaust outlet 13 respectively, and can be equiped with fan 30 (as Fig. 4,5) at exhaust outlet 13 or air inlet 12, and make temperature control assembly 20, fan 30 and electric core 11 form electric loop, in order to do when the temperature in the battery case 10 surpasses predetermined value (as: above 50 ℃), temperature control assembly 20 meeting control fans 30 turn round and guide the hot gas discharge;
When if fan 30 is installed in exhaust outlet 13 (as shown in Figure 4), this moment, fan 30 was the exhaust running, and then outer gas stream must be guided in air inlet 12 enters battery case 10, and passes through each electric core 11 surface by airspace 101, concentrates from exhaust outlet 13 again and discharges; And if fan 30 is when being installed in air inlet 12 (as shown in Figure 5), this moment, fan 30 be air-breathing running, and then outer gas stream must be guided in air inlet 12 enters battery case 10, and by airspace 101 by each electric core 11 surface, concentrate again from exhaust outlet 13 discharges;
In other words, after passing through fan 30 runnings, outside cold air is able to be gone into battery case 10 inside by drainage, and the hot-air in the battery case 10 then can diversedly disengage, and reaches the effect that reduces temperature in the battery case 10 by this;
It should be noted that, the power supply of fan 30 of the present invention and temperature control assembly 20 is directly from the electric core 11 in the battery case 10, so be able to independent running, no matter battery is to be in preservation, charging, discharge condition, whether fan 30 all can exceed default value and running automatically according to temperature in the box, and this is a completely new concept for battery industry circle;
On reality was implemented, the filter disc 40 that can be sticked in air inlet 12 and exhaust outlet 13 places prevented that according to this foreign matter from entering in the battery case 10;
Moreover fan 30 of the present invention is not limited to the configuration of single quantity on the practice, and as shown in Figure 6, in electric core 11 a fairly large number of battery cases 10, also configurable double fan 30 structures are to guarantee its fan thermal efficiency; In addition,
As shown in Figure 7, also can respectively dispose a fan 30,, and promote heat dissipation by this with the speed of enhancing air-flow turnover battery case 10 in air inlet 12 and exhaust outlet 13;
Through above explanation as can be known, by structural design of the present invention, can guarantee temperature maintenance in the battery case in safe range, and the battery that To Be Protected from Heat originally can be extended to applicablely that this is developmental extension for industrial circle as the scope of application as the outdoor hot environment of electric bicycle.
Claims (6)
1. structure of temperature controlled fan built in battery case comprises:
One battery case is in order to as the ccontaining box body of electric core, and box body one side can offer air inlet, and side can offer exhaust outlet in addition; Can establish airspace between the inner wall of electricity core and battery case, and also can be provided with airspace between each electric core;
One temperature control assembly, be and the electric core person of being electrically connected, but temperature control assembly sensing battery case temperature inside, and the temperature control assembly can change its control numerical value output relatively in response to temperature change in the box;
At least one fan can be installed in the air inlet of battery case, does air-breathing running, and fan is to do electric loop with temperature control assembly and electric core to be connected; Mat makes fan can see through electric core power supply, and sees through the in good time turning operation of control of temperature control assembly.
2. structure of temperature controlled fan built in battery case according to claim 1 is characterized in that: this temperature control assembly is able to temperature and resistance and constitutes, and its resistance value of mat temperature and resistance can be in response to the characteristic of variations in temperature change, and the control fan turns round in good time.
3. structure of temperature controlled fan built in battery case according to claim 1 is characterized in that: can prevent that according to this foreign matter from entering in the battery case in air inlet and the exhaust ports filter disc that is sticked.
4. structure of temperature controlled fan built in battery case according to claim 1 is characterized in that: can dispose two fans in air inlet, carry out air-breathing running.
5. structure of temperature controlled fan built in battery case comprises:
One battery case is in order to as the ccontaining box body of electric core, and box body one side can offer air inlet, and side can offer exhaust outlet in addition; Can establish airspace between the inner wall of electricity core and battery case, and also can be provided with airspace between each electric core;
One temperature control assembly, be and the electric core person of being electrically connected, but temperature control assembly sensing battery case temperature inside, and the temperature control assembly can change its control numerical value output relatively in response to temperature change in the box;
At least one fan can be installed in the exhaust outlet of battery case, does the exhaust running, and fan is to do electric loop with temperature control assembly and electric core to be connected; Mat makes fan can see through electric core power supply, and sees through the in good time turning operation of control of temperature control assembly.
6. structure of temperature controlled fan built in battery case comprises:
One battery case is in order to as the ccontaining box body of electric core, and box body one side can offer air inlet, and side can offer exhaust outlet in addition; Can establish airspace between the inner wall of electricity core and battery case, and also can be provided with airspace between each electric core;
One temperature control assembly, be and the electric core person of being electrically connected, but temperature control assembly sensing battery case temperature inside, and the temperature control assembly can change its control numerical value output relatively in response to temperature change in the box;
Two fans can be installed in the exhaust outlet and the air inlet of battery case respectively, carry out air-breathing respectively and the exhaust running, and two fans are to do electric loop with temperature control assembly and electric core to be connected; Mat makes fan can see through electric core power supply, and sees through the in good time turning operation of control of temperature control assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100839484A CN1761098A (en) | 2004-10-13 | 2004-10-13 | Structure of temperature controlled fan built in battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100839484A CN1761098A (en) | 2004-10-13 | 2004-10-13 | Structure of temperature controlled fan built in battery case |
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| Publication Number | Publication Date |
|---|---|
| CN1761098A true CN1761098A (en) | 2006-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100839484A Pending CN1761098A (en) | 2004-10-13 | 2004-10-13 | Structure of temperature controlled fan built in battery case |
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| CN (1) | CN1761098A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101542823B (en) * | 2007-02-01 | 2012-01-11 | 丰田自动车株式会社 | Power supply device |
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2004
- 2004-10-13 CN CNA2004100839484A patent/CN1761098A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101542823B (en) * | 2007-02-01 | 2012-01-11 | 丰田自动车株式会社 | Power supply device |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |