CN202111200U - Multi-cycle thermostatic device of power battery - Google Patents
Multi-cycle thermostatic device of power battery Download PDFInfo
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- CN202111200U CN202111200U CN 201120212583 CN201120212583U CN202111200U CN 202111200 U CN202111200 U CN 202111200U CN 201120212583 CN201120212583 CN 201120212583 CN 201120212583 U CN201120212583 U CN 201120212583U CN 202111200 U CN202111200 U CN 202111200U
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Abstract
The utility model relates to a thermostatic device, belongs to the power battery, automatic thermostatic and energy-saving and environment protection fields, and discloses a multi-cycle thermostatic device of the power battery, which comprises a small cycle assembly and an energy storage solution cabin. The small cycle assembly includes an ideal temperature solution cabin, a heating temperature-sensing cabin and a master control circuit board. The heating temperature-sensing cabin includes a heating device and a temperature sensing device, and the power battery is fixed in the ideal temperature solution cabin. The energy storage solution cabin is communicated with the ideal temperature solution cabin through an automatic temperature-sensing control valve. By means of the multi-cycle thermostatic device of power battery, work temperature of the power battery is controlled within an ideal work temperature range, the power battery is in an ideal work state for a long period through energy storage and release by utilizing waste heat energy, capacity of the power battery is maintained, and service life of the power battery is prolonged. The multi-cycle thermostatic device of the power battery is simple in structure, energy-saving, environment-friendly, high in charging efficiency, safe, reliable, convenient to use, wide in application range and remarkable in economic benefit, can be recycled with no limit of number of times and can reduce use cost of the power battery.
Description
Technical field
The utility model relates to and a kind ofly wraps up electrokinetic cell and make the operating ambient temperature of electrokinetic cell remain on the many circulation powers battery thermostat in its ideal operation temperature range; This device can repeat to store and utilize the battery operated heat that distributes, and belongs to electrokinetic cell, automatic constant-temperature and energy-conserving and environment-protective field.
Background technology
The available dynamic battery generally adopts metal shell encapsulation, outsourcing one deck plastic casing.The fluctuation of the scope of its working temperature is very big in the use.Under the different working environments temperature, the performance of battery each side performance difference is also very big, and shown in accompanying drawing 1, under low-temperature condition, the activity of battery descends, and the energy density that can store and discharge significantly reduces, and its capacity significantly descends; And under the condition of high temperature, the hyperactivity of battery though the energy density that can store and discharge also significantly increases, has a strong impact on the life-span of battery, and with battery explosion and danger on fire.
Usually comprise following several stages in the electrokinetic cell use:
1, the starting stage: the temperature of battery is the same with the temperature of external environment; Usually all be in low-temperature condition, along with battery power output, because the heating effect of the internal resistance of cell; Battery begins to heat up, and the operating ambient temperature of this stage battery all is in low-temperature condition usually;
2, ideal phase: because the heating effect of the internal resistance of cell, battery is persistently overheating, and when the temperature of battery rose to the active optimum temperature of battery, the battery charging and discharging performance of this moment and the life-span of battery were complementary, and reach optimum efficiency;
3, the overheated stage: because the persistent fever effect of the internal resistance of cell, temperature is high more, and it is many more to generate heat, and makes battery persistently overheating.The temperature of battery can influence the life-span of battery at this moment, and too high also can the bringing of internal temperature of battery exploded and danger on fire in addition.
In general, heating effect is little during power battery charging, begins to the temperature rise the charging completion little from charging; So charging temperature generally is in relative low-temperature condition; Battery charging and discharging performance under this temperature is all bad, and can energy stored density lower, capacity be less; So the electric weight that is filled is also less, can not reach rated condition.
And when discharge, because the internal resistance of cell has the persistent fever effect, the temperature straight line rises, and has arrived overheated degree soon, and temperature raises, and heating effect increases, like this with regard to the intact electric energy of easy too fast consumption.The operating time of battery under desirable working temperature is very of short duration.This lasting, disadvantageous circulation all has very big infringement to the capacity and the life-span of battery.
In sum, the device that lets electrokinetic cell as far as possible under ideal temperature, work has become urgent demand.
Summary of the invention
The purpose of the utility model provides a kind of operating ambient temperature of electrokinetic cell that makes and remains in its ideal operation temperature range and many circulation powers battery thermostat of energy-conserving and environment-protective.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of many circulation powers battery thermostat is used to make the operating ambient temperature of described electrokinetic cell to remain in its ideal operation temperature range, and it comprises:
Partial circulating assembly, described partial circulating assembly comprise ideal temperature solution storehouse, heating temperature-sensitive storehouse and main control board; Described ideal temperature solution storehouse comprises electrokinetic cell and the potassium nitrate saturated solution that contains excessive potassium nitrate crystals; Described electrokinetic cell is fixed and is encapsulated in the described ideal temperature solution storehouse, described potassium nitrate saturated solution be wrapped in described electrokinetic cell around; Described heating temperature-sensitive storehouse comprises heater and temperature sensing device, and described heater is fixedly installed on a sidepiece in described ideal temperature solution storehouse, and the temperature-sensitive point of described temperature sensing device is arranged in the described ideal temperature solution storehouse; Described main control board connects described heater;
Energy storage solution storehouse, filling contains the potassium nitrate saturated solution of excessive potassium nitrate crystals in the described energy storage solution storehouse; Described energy storage solution storehouse is connected through the temperature sensitive automatic regulating valve door with described ideal temperature solution storehouse, and described temperature sensitive automatic regulating valve door is connected with described main control board; When described temperature sensitive automatic regulating valve door was opened, described ideal temperature solution storehouse was connected with described energy storage solution storehouse, and when described temperature sensitive automatic regulating valve door was closed, separated with described ideal temperature solution storehouse mutually in described energy storage solution storehouse.
Preferably, described ideal temperature solution storehouse comprise ideal temperature solution storehouse box body with cavity volume, with the ideal temperature solution storehouse tray cover of described cavity volume sealing; Described energy storage solution storehouse comprises energy storage solution storehouse box body with cavity volume, with the energy storage solution storehouse tray cover of described cavity volume sealing.
Preferably; Described ideal temperature solution storehouse box body, described energy storage solution storehouse box body are connected and are one; And separate through channelled solution storehouse dividing plate with described energy storage solution storehouse mutually in described ideal temperature solution storehouse, and described temperature sensitive automatic regulating valve door is arranged on the passage of described solution storehouse dividing plate and controls the switching of described passage.
Preferably, described ideal temperature solution storehouse tray cover, described energy storage solution storehouse tray cover are connected for one or for dividing a body structure.
Preferably, described heating temperature-sensitive storehouse has heating temperature-sensitive Cang Gai, and described heating temperature-sensitive Cang Gai seals described heating temperature-sensitive storehouse.
Preferably, described heating temperature-sensitive is provided with dividing plate in the storehouse, and described dividing plate is separated out the circuit board storehouse with described heating temperature-sensitive storehouse, and described main control board is assemblied in the described circuit board storehouse.
Preferably, be provided with a plurality of described temperature sensitive automatic regulating valve doors between described ideal temperature solution storehouse and the described energy storage solution storehouse.
Preferably, each sidepiece in described energy storage solution storehouse all is provided with the described partial circulating assembly of many groups, comprises one group of described electrokinetic cell in each described partial circulating assembly.
The utility model operation principle: when power battery charging; Main control board control heater starts; The internal resistance heat that is produced when heat that heater produces and power battery charging is given the heating of potassium nitrate saturated solution; Make the working temperature of electrokinetic cell risen in its ideal operation temperature range (for example, this ideal operation temperature range is 33-37 ℃, and this temperature range is according to dissimilar electrokinetic cells difference to some extent) rapidly.When the working temperature of electrokinetic cell arrives its ideal operation temperature range, the heater stop heating, the heat that power battery charging continues to produce is absorbed by the potassium nitrate saturated solution.Because potassium nitrate crystals is with the rising of temperature, its solubility just significantly increases, so potassium nitrate crystals is by dissolving rapidly.To absorb a large amount of heats of solution in the course of dissolution, thereby the internal resistance energy storage that will produce will charge the time has stoped the further intensification of potassium nitrate saturated solution in the potassium nitrate saturated solution, accomplished until charging.
When electrokinetic cell discharge work, the heater stop heating, if the heat that the internal resistance heat that the electrokinetic cell discharge is produced distributes more than device, its heat is used for dissolving potassium nitrate crystals, store heat, holdout device constant temperature; If the internal resistance heat that electrokinetic cell produced is less than the heat of device radiation, potassium nitrate solution is separated out crystal, releases energy holdout device constant temperature.
When electrokinetic cell is not worked for a long time, if device radiation is too much, the cooling of potassium nitrate saturated solution, in the time of not in battery ideal operation temperature range, the heating of main control board control heater.
Saturated solution heating principle: when heater heats; Because heater is in a side in ideal temperature control storehouse; Near the potassium nitrate solution of heating temperature-sensitive storehouse one side be heated intensifications, expand with heat and contract with cold, because of density reduces to float, side and following cold soln flow through additional greatly because of density in addition in the ideal temperature solution storehouse.The hot solution of the additional original cold soln position of circulation is dissolved more potassium nitrate crystals; Solution integral body has also stored heat when heating up; Solution density also increases because of dissolving more potassium nitrate crystals, thereby forms the circulation of liquid dynamic heat, on the ideal operation temperature range that is heated to setting, prescribes a time limit; Two actions of heating and energy storage are accomplished in the heater stop heating.Let potassium nitrate saturated solution and electrokinetic cell be in for a long time in the more satisfactory operating temperature range, can better guarantee and each item performance that keeps battery.
Be provided with the temperature that a plurality of temperature sensing devices come diverse location in the perception potassium nitrate saturated solution in this device.When the temperature of several ad-hoc locations is in certain temperature range; Main control board is controlled the heater stop heating according to the situation of temperature signal; The convection current that utilizes potassium nitrate saturated solution self temperature difference to produce; Let the temperature and the electrokinetic cell of potassium nitrate saturated solution all be in the ideal operation temperature range, thus better guarantee each item performance of battery.
Because the heating of heater and the thermal effect of the long-time continuous firing of battery; Temperature in ideal temperature solution storehouse rises to the upper bound of the ideal operation temperature range of electrokinetic cell and prescribes a time limit; The temperature sensitive automatic regulating valve door is opened, and energy storage solution storehouse is connected with ideal temperature solution storehouse.Because the potassium nitrate saturated solution temperature in the energy storage solution storehouse is lower, density is big; It can the Automatic Cycle convection current; The potassium nitrate saturated solution of heat flows to energy storage solution storehouse, and cold potassium nitrate saturated solution flows in the ideal temperature solution storehouse, carries out the solubility of solution exchange and raising solution.When the temperature in the ideal temperature solution storehouse was reduced to a certain desired temperature, the temperature sensitive automatic regulating valve door was closed, and the potassium nitrate saturated solution in the ideal temperature solution storehouse is proceeded circulation, and the potassium nitrate saturated solution in the energy storage solution storehouse is then accomplished energy storage action.
When battery do not work for a long time, not during release heat, the potassium nitrate saturated solution in the ideal temperature solution storehouse will reduce the temperature of himself because of long-time natural heat dissipation.When the temperature certain value of the temperature in the energy storage solution storehouse in ideal temperature solution storehouse, the temperature sensitive automatic regulating valve door is opened, and the potassium nitrate saturated solution in the energy storage solution storehouse is because temperature difference and density contrast inflow ideal temperature solution storehouse; By colder potassium nitrate saturated solution cooling, temperature reduces, and solubility descends; A large amount of potassium nitrate crystals have been separated out; Also discharge simultaneously the energy of storage, replenish the energy loss in the ideal temperature solution storehouse, stoped the continuation of temperature to descend.When the temperature in temperature in the energy storage solution storehouse and the ideal temperature solution storehouse tended to balance, the temperature sensitive automatic regulating valve door was closed.So repeatedly, delay temperature-fall period, kept the activity and the capacity of battery.
Utilization in view of technique scheme; The utility model compared with prior art has advantage: 1, the utility model utilizes the used heat energy to carry out energy storage and release, and by means of assistant heating, can the operating ambient temperature of electrokinetic cell be remained in its ideal operation temperature range; Make electrokinetic cell be in desirable operating state for a long time; Can keep the capacity of electrokinetic cell and prolong its life-span, reduce the use cost of electrokinetic cell, remarkable in economical benefits; 2, the utility model is simple in structure, does not limit the number of times repetitive cycling to use, and energy-conserving and environment-protective, charge efficiency are high, safe and reliable, easy to use, and the scope of application is extensive.
Description of drawings
Accompanying drawing 1 is the charging and discharging curve figure of electrokinetic cell.
Accompanying drawing 2 is the graph of relation of the solubility and the temperature of potassium nitrate crystals.
Accompanying drawing 3 is a kind of many circulation powers battery thermostat sketch map (the temperature sensitive automatic regulating valve door is in closed condition).
Accompanying drawing 4 is a kind of many circulation powers battery thermostat sketch map (temperature sensitive automatic regulating valve is in opening).
In the above accompanying drawing: 1, electrokinetic cell; 2, energy storage solution storehouse; 3, ideal temperature solution storehouse; 4, potassium nitrate saturated solution; 5, potassium nitrate crystals; 6, heating temperature-sensitive storehouse; 7, heater; 8, temperature sensing device; 9, heating temperature-sensitive Cang Gai; 10, dividing plate; 11, circuit board storehouse; 12, main control board; 13, solution storehouse box body; 14, solution storehouse dividing plate; 15, temperature sensitive automatic regulating valve door; 16, solution storehouse tray cover.
Embodiment
Below in conjunction with embodiment shown in the drawings the utility model is further described.
Embodiment one: shown in accompanying drawing 3 and accompanying drawing 4.
A kind of many circulation powers battery thermostat is used to make the operating ambient temperature of electrokinetic cell 1 to remain in its ideal operation temperature range.
Many circulation powers battery thermostat comprises energy storage solution storehouse 2 and the many groups partial circulating assembly that is arranged on each sidepiece in energy storage solution storehouse 2.
The partial circulating assembly comprises: ideal temperature solution storehouse 3, heating temperature-sensitive storehouse 6 and main control board 12.
Ideal temperature solution storehouse 3 comprises ideal temperature solution storehouse box body with cavity volume, with the ideal temperature solution storehouse tray cover of cavity volume sealing; Filling contains the potassium nitrate saturated solution 4 of excessive potassium nitrate crystals 5 in the ideal temperature solution storehouse 3, and potassium nitrate crystals 5 makes potassium nitrate saturated solution 4 be in saturation condition all the time.The solubility of potassium nitrate crystals 5 and the relation of temperature shown in accompanying drawing 2, the rising of its solubility with temperature and significantly increasing.Electrokinetic cell 1 fixed sealing is contained in the ideal temperature solution storehouse 3, potassium nitrate saturated solution 4 be wrapped in electrokinetic cell 1 around.
Heating temperature-sensitive storehouse 6 is arranged on a sidepiece in ideal temperature solution storehouse 3 and sidewall and ideal temperature solution storehouse 3 through ideal temperature solution storehouse 3 are separated by, and wherein is provided with heater 7 and temperature sensing device 8.Heating temperature-sensitive storehouse 6 has heating temperature-sensitive storehouse lid 9, and heating temperature-sensitive storehouse lid 9 will heat 6 sealings of temperature-sensitive storehouse.Be provided with dividing plate 10 in the heating temperature-sensitive storehouse 6, dividing plate 10 will heat temperature-sensitive storehouse 6 and be separated out circuit board storehouse 11, be equipped with main control board 12 in the circuit board storehouse 11.Main control board 12 control temperature sensing devices 8.Heater 7 is connected with main control board 12, and main control board 12 is controlled the unlatching of heaters 7 or stopped.Temperature sensing device 8 have a plurality of sensed positions, sensed position is arranged in the potassium nitrate saturated solution 4 in the ideal temperature solution storehouse 3.
Energy storage solution storehouse 2 comprises energy storage solution storehouse box body with cavity volume, with the energy storage solution storehouse tray cover of cavity volume sealing.Ideal temperature solution storehouse box body, energy storage solution storehouse box body are connected and are formed as one solution storehouse box body 13; And separate through the solution storehouse dividing plate 14 with two passages with energy storage solution storehouse 2 mutually in ideal temperature solution storehouse 3, and each passage is provided with the switching of temperature sensitive automatic regulating valve door 15 control channels.Temperature sensitive automatic regulating valve door 15 is connected for the sheet metal of intelligent design or other structures and with main control board 12.Ideal temperature solution storehouse tray cover, energy storage solution storehouse tray cover are connected becomes solution storehouse tray cover 16 for one.When temperature sensitive automatic regulating valve door 15 was opened, ideal temperature solution storehouse 3 was connected with energy storage solution storehouse 2, and when temperature sensitive automatic regulating valve door 15 was closed, separated with ideal temperature solution storehouse 3 mutually in energy storage solution storehouse 2.
Filling contains the potassium nitrate saturated solution 4 of excessive potassium nitrate crystals 5 in the energy storage solution storehouse 2, and potassium nitrate crystals 5 makes potassium nitrate saturated solution 4 can both be in saturation condition all the time with variation of temperature equally.When temperature sensitive automatic regulating valve door 15 was closed, the direction of potassium nitrate saturated solution 4 shown in arrow in the accompanying drawing 2 in ideal temperature solution storehouse 3 and the energy storage solution storehouse 2 circulated.When temperature sensitive automatic regulating valve door 15 was opened, the direction of potassium nitrate saturated solution 4 shown in arrow in the accompanying drawing 3 in ideal temperature solution storehouse 3 and the energy storage solution storehouse 2 circulated.When if energy storage solution storehouse 2 need release energy, potassium nitrate saturated solution 4 will flow by the opposite direction of illustrated arrow.
The foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection range of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection range of the utility model.
Claims (8)
1. the thermostat of circulation power battery more than a kind is used to make the operating ambient temperature of described electrokinetic cell to remain in its ideal operation temperature range, and it is characterized in that: described many circulation powers battery thermostat comprises:
Partial circulating assembly, described partial circulating assembly comprise ideal temperature solution storehouse, heating temperature-sensitive storehouse and main control board; Described ideal temperature solution storehouse comprises electrokinetic cell and the potassium nitrate saturated solution that contains excessive potassium nitrate crystals; Described electrokinetic cell is fixed and is encapsulated in the described ideal temperature solution storehouse, described potassium nitrate saturated solution be wrapped in described electrokinetic cell around; Described heating temperature-sensitive storehouse comprises heater and temperature sensing device, and described heater is fixedly installed on a sidepiece in described ideal temperature solution storehouse, and the temperature-sensitive point of described temperature sensing device is arranged in the described ideal temperature solution storehouse; Described main control board connects described heater;
Energy storage solution storehouse, filling contains the potassium nitrate saturated solution of excessive potassium nitrate crystals in the described energy storage solution storehouse; Described energy storage solution storehouse is connected through the temperature sensitive automatic regulating valve door with described ideal temperature solution storehouse, and described temperature sensitive automatic regulating valve door is connected with described main control board; When described temperature sensitive automatic regulating valve door was opened, described ideal temperature solution storehouse was connected with described energy storage solution storehouse, and when described temperature sensitive automatic regulating valve door was closed, separated with described ideal temperature solution storehouse mutually in described energy storage solution storehouse.
2. a kind of many circulation powers battery thermostat according to claim 1 is characterized in that: described ideal temperature solution storehouse comprises ideal temperature solution storehouse box body with cavity volume, with the ideal temperature solution storehouse tray cover of described cavity volume sealing; Described energy storage solution storehouse comprises energy storage solution storehouse box body with cavity volume, with the energy storage solution storehouse tray cover of described cavity volume sealing.
3. a kind of many circulation powers battery thermostat according to claim 2; It is characterized in that: described ideal temperature solution storehouse box body, described energy storage solution storehouse box body are connected and are one; And separate through channelled solution storehouse dividing plate with described energy storage solution storehouse mutually in described ideal temperature solution storehouse, and described temperature sensitive automatic regulating valve door is arranged on the passage of described solution storehouse dividing plate and controls the switching of described passage.
4. a kind of many circulation powers battery thermostat according to claim 2 is characterized in that: described ideal temperature solution storehouse tray cover, described energy storage solution storehouse tray cover are connected for one or for dividing body structure.
5. a kind of many circulation powers battery thermostat according to claim 1 is characterized in that: described heating temperature-sensitive storehouse has heating temperature-sensitive Cang Gai, and described heating temperature-sensitive Cang Gai seals described heating temperature-sensitive storehouse.
6. a kind of many circulation powers battery thermostat according to claim 1; It is characterized in that: described heating temperature-sensitive is provided with dividing plate in the storehouse; Described dividing plate is separated out the circuit board storehouse with described heating temperature-sensitive storehouse, and described main control board is assemblied in the described circuit board storehouse.
7. a kind of many circulation powers battery thermostat according to claim 1 is characterized in that: be provided with a plurality of described temperature sensitive automatic regulating valve doors between described ideal temperature solution storehouse and the described energy storage solution storehouse.
8. a kind of many circulation powers battery thermostat according to claim 1 is characterized in that: each sidepiece in described energy storage solution storehouse all is provided with the described partial circulating assembly of many groups, comprises one group of described electrokinetic cell in each described partial circulating assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120212583 CN202111200U (en) | 2011-06-22 | 2011-06-22 | Multi-cycle thermostatic device of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120212583 CN202111200U (en) | 2011-06-22 | 2011-06-22 | Multi-cycle thermostatic device of power battery |
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| Publication Number | Publication Date |
|---|---|
| CN202111200U true CN202111200U (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120212583 Expired - Fee Related CN202111200U (en) | 2011-06-22 | 2011-06-22 | Multi-cycle thermostatic device of power battery |
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| CN (1) | CN202111200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244308A (en) * | 2011-06-22 | 2011-11-16 | 苏州路之遥科技股份有限公司 | Thermostatic apparatus for multicycle power battery |
-
2011
- 2011-06-22 CN CN 201120212583 patent/CN202111200U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244308A (en) * | 2011-06-22 | 2011-11-16 | 苏州路之遥科技股份有限公司 | Thermostatic apparatus for multicycle power battery |
| CN102244308B (en) * | 2011-06-22 | 2013-09-25 | 苏州路之遥科技股份有限公司 | Thermostatic apparatus for multicycle power battery |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20140622 |
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| EXPY | Termination of patent right or utility model |