CN207818708U - Constant-temperature battery case - Google Patents

Abstract

The utility model provides a kind of constant-temperature battery case, including：Battery case, upper cover and pipeline, the Battery case is set as the babinet with opening, the open end of the Battery case is equipped with upper cover, and the box inside face of the Battery case is equipped with the pipeline communicated, and the pipeline is equipped with inlet end and an outlet end and extends to the lateral surface of Battery case.By the way that a circle pipeline is arranged on the inner wall of the Battery case, and the inlet end and an outlet end of pipeline is arranged to the outside of Battery case, when environment temperature is excessively high, cold water is injected in the input end of pipeline, cold water takes away the heat in Battery case after flowing through pipeline, and it is flowed out through outlet end, the effect of circulation temperature lowering is realized with this, equally, if environment temperature is too low, hot water is injected in the input end of pipeline, hot water flows through pipeline, heat is distributed by pipeline to Battery case, the temperature in Battery case is set to be in the operating temperature range of battery pack, ensure the stability of battery continuous work.

Description

Constant-temperature battery case

Technical field

The utility model is related to battery case technical fields, and in particular to a kind of constant-temperature battery case.

Background technology

Due to the harm of the greenhouse effects in the whole world, the requirement to environmental protection is higher and higher at present, in order to reduce to air two The discharge of carbonoxide, at present industry-by-industry fuel oil as the system of power make into motor be power system, can subtract in this way Few discharge to air can also reach the requirement of environmental protection.Lithium ion battery now with field be also it is more and more extensive (as navigate Empty, household electrical appliance and military affairs etc.).But lithium ion battery needs can be only achieved normal use under certain temperature range Effect can cause the lithium ion activity in battery pack to reduce less than operating temperature, then cannot normal charge and discharge, and environment temperature is high When operating temperature, also results in battery pack cisco unity malfunction or even overheat damage.

Utility model content

The technical problem to be solved by the present invention is to overcome lithium ion battery in the prior art cannot be more than work Make the defect worked normally in the environment of the high temperature or low temperature of temperature.

For this purpose, the utility model provides a kind of constant-temperature battery case, including：Battery case, upper cover and pipeline, the battery case Body is set as the babinet with opening, and the open end of the Battery case is hinged with upper cover, the box inside face of the Battery case Equipped with the pipeline communicated, the pipeline is equipped with inlet end and an outlet end, and the inlet end and an outlet end extends to Battery case Lateral surface.

In order to ensure battery case more easy heat radiation, it is as preferred technical solution, condensation is arranged in the pipeline The both ends of pipe, the condenser pipe extend on the outside of the Battery case, the muffler of one end connect compressor of the condenser pipe, The inner wall of the outlet tube of other end connect compressor, the Battery case is equipped with a thermometer, the compressor and controller Connection setting, the thermometer connect setting with the controller.

In order to ensure that battery pack can be preferably laid out in the Battery case, and can solid stabilization, be less prone to It falls apart situation, is as preferred technical solution, the interior bottom of the Battery case is equipped with the battery pack partition wall of several protrusions, institute It states battery pack partition wall and the Battery case bottom is divided into several areas, each area is placed with battery pack.

Due to the physical characteristic of battery pack, after temperature is less than certain temperature, the reduction of lithium ion activity then cannot normal work Make, is the pipe as preferred technical solution to ensure that battery pack can still work normally under low-temperature condition The inner wall in road is equipped with a spiral groove body, and the spiral groove body is spirally extended to the outlet of the pipeline by the input end of pipeline End, the helicla flute body is interior to be equipped with resistance wire.

Technical solutions of the utility model have the following advantages that：

By the way that a circle pipeline is arranged on the inner wall of the Battery case, and the inlet end and an outlet end of pipeline is respectively provided with In the outside of Battery case, when environment temperature is excessively high, cold water is injected in the input end of pipeline, cold water will be electric after flowing through pipeline Heat in the babinet of pond is taken away, and is flowed out through outlet end, the effect of circulation temperature lowering is realized with this, equally, if environment temperature is too low When, hot water is injected in the input end of pipeline, hot water flows through pipeline, heat is distributed by pipeline to Battery case, battery is made Temperature in babinet is in the operating temperature range of battery pack, ensures the stability of battery continuous work.Avoid environment temperature It is excessively high and cause battery pack cisco unity malfunction or overheat occur damage even situation on fire, avoid the too low battery of environment temperature The case where group cisco unity malfunction.

Description of the drawings

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, other drawings may also be obtained based on these drawings.

Fig. 1 is a kind of structural schematic diagram of constant-temperature battery case provided by the utility model；

Fig. 2 is a kind of condenser tube structure schematic diagram of constant-temperature battery case provided by the utility model；

A kind of Fig. 3 resistance wire structural schematic diagrams of constant-temperature battery case provided by the utility model；

Fig. 4 a kind of the first cavity and the second cavity body structure schematic diagram of constant-temperature battery case provided by the utility model；

A kind of Fig. 5 flexible baffle structural schematic diagrams of constant-temperature battery case provided by the utility model；

Wherein, 1- Battery cases, 2- upper covers, 3- pipelines, 4- input ends, the outlet ends 5-, 6- condenser pipes, 7- mufflers, 8- Outlet tube, 9- thermometers, 10- controllers, 11- battery pack partition walls, 12- spiral groove bodies, 13- resistance wires, the first babinets of 14-, 15- Air pump, 16- liquid storage cavitys, the first inlets of 17-, the second inlets of 18-, 19- liquid outlets, the first cavitys of 20-, 21- circular holes, The second cavitys of 22-, the second cavity channels of 23-, 24- pumps, 25- hoses, 26- flexible baffles, the first articulated shafts of 27-, 28- second are cut with scissors Spindle, 29- fixed ropes, 30- air inlets, 31- handles, 32- liquid-leaking nozzles.

Specific implementation mode

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality Novel protected range.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.In addition, following institute Involved technical characteristic as long as they do not conflict with each other can phase in the utility model different embodiments of description Mutually combine.

Embodiment 1

According to Fig. 1, a kind of constant-temperature battery case, including：Battery case 1, upper cover 2 and pipeline 3, the Battery case 1 It is set as the babinet with opening, the open end of the Battery case 1 is hinged with upper cover 2, the box inside face of the Battery case 1 Equipped with the pipeline 3 communicated, the pipeline 3 is equipped with input end 4 and outlet end 5, and the input end 4 and outlet end 5 extend to electricity The lateral surface of pond babinet 1.

The one circle pipeline 3 of setting on the madial wall of the Battery case 1, the input end 4 of the pipeline 3 and outlet end 5 are set It sets in the outside of Battery case 1, it, can be by the battery pack in Battery case 1 by the injection cold water in pipeline 3 when temperature is excessively high Cool down, and when temperature is too low, hot water perfusion is carried out using the input end 4 of pipeline 3, is thus made warm in Battery case 1 The operating temperature for spending moment holding battery pack, avoids causing the cause thermal damage of battery or environment temperature too low because environment temperature is excessively high Lead to the idle situation of battery.

In order to ensure that battery pack can be preferably laid out in the Battery case 1, and can solid stabilization, be less prone to It falls apart situation, is as preferred technical solution, according to Fig.2, the interior bottom of the Battery case 1 is equipped with several protrusions 1 bottom of the Battery case is divided into several areas by battery pack partition wall 11, the battery pack partition wall 11, and each area is placed with Battery pack.

In order to ensure battery case more easy heat radiation, it is as preferred technical solution, according to Fig.2, the pipeline 3 It is inside arranged with condenser pipe 6, the both ends of the condenser pipe 6 extend to 1 outside of the Battery case, and one end of the condenser pipe 6 connects The muffler 7 of compressor is connect, the inner wall of the outlet tube 8 of other end connect compressor, the Battery case 1 is equipped with a thermometer 9, the compressor connect setting with controller 10, and the thermometer 9 connect setting with the controller 10.

One end of the condenser pipe 6 is set as inlet, and the other end is set as gas outlet, and the inlet end of the condenser pipe 6 connects The outlet tube 8 of the compressor is connect, the outlet port of the condenser pipe 6 connects the muffler 7 of the compressor.The condenser pipe Condensate liquid in 6 gasifies after absorbing high temperature, and the gas after gasification is flowed by outlet port in the muffler 7 of compressor, then is passed through Compressor to gas carry out boil down to liquid, then by 8 condensed pipe 6 of outlet tube inlet flow into condenser pipe 6 in, liquid it is cold Temperature is reduced and is gasified again by lime set, to realize that the cooling of reciprocation cycle dissipates the effect of temperature.

The outside of the Battery case 1 is additionally provided with the first babinet 14, and the controller 10 is placed in the first babinet 14, Be additionally provided with circulating pump in first babinet 14, the circulating pump is equipped with cycle import and loop exit, the cycle import and The connection setting of outlet end 5 of the pipeline 3, the loop exit are connected to setting with the input end 4 of the pipeline 3, by using Circulating pump makes the realization of the water in pipeline 3 circulate, you can reaches efficient heat dissipation effect, avoids the electricity in Battery case 1 Pond group leads to the case where damage because temperature is excessively high.

Due to the physical characteristic of battery pack, after temperature is less than certain temperature, the reduction of lithium ion activity then cannot normal work Make, in order to ensure that battery pack can still work normally under low-temperature condition, is as preferred technical solution, according to figure Shown in 3, the inner wall of the pipeline 3 is equipped with a spiral groove body 12, and the spiral groove body 12 is prolonged by 4 spiral of input end of pipeline 3 The outlet end 5 of the pipeline 3 is extended to, resistance wire 13 is equipped in the spiral groove body 12.The resistance wire 13 and the controller 10 connection settings, and the controller 10 is equipped with power interface.

By being arranged a condenser pipe 6 in pipeline 3, inject condensate liquid in the condenser pipe 6, preferred condensate liquid be nitrogen liquid or The heat that water in pipeline 3 absorbs is cooled down using condensate liquid, effectively improves radiating efficiency, while in institute by Freon liquid It states the thermometer 9 being arranged on the inner wall of Battery case 1 and monitoring temperature is carried out to the inside of Battery case 1, and will be detected Temperature is transmitted to controller 10 by conducting wire, and controller 10 is carried out using the temperature information that SCM program detects thermometer 9 A safe temperature value section is arranged using SCM program in screening, controller 10, if the temperature that thermometer 9 detects is higher than setting Temperature value section, then to being injected separately into water and condensate liquid in pipeline 3 and condenser pipe 6.Can by the temperature in Battery case 1 into Row cooling.Relay switch is equipped between the power supply of the controller 10 and the resistance wire 13, when the temperature of thermometer detection Less than setting temperature value section when, controller 10 opens relay switch, power supply be connected to resistance wire 13, the resistance wire 13 It is begun to warm up after energization, you can so that the internal temperature of Battery case 1 is increased, avoid battery pack because of low temperature cisco unity malfunction.

Heat can be also distributed when battery pack is under hot environment, while continuously being worked, once temperature reaches The limiting temperature of battery pack can then lead to battery damage even the case where burning on fire, in order to avoid the generation of the above problem, It is that according to Fig.4, the outside of the Battery case 1 is equipped with the first babinet 14, first case as preferred technical solution Air pump 15 and liquid storage cavity 16 are equipped in body 14, the liquid storage cavity 16 is equipped with the first inlet 17, the second inlet 18 and goes out The top of liquid mouth 19, the upper cover 2 is equipped with the first cavity 20, and the bottom of first cavity 20 is equipped with several circular holes 21, described Circular hole 21 runs through the inner roof wall of first cavity 20 and the upper cover 2, the liquid outlet 19 of the liquid storage cavity 16 and described the The opening in first inlet 17 is arranged in the connection setting of one cavity 20, the air pump 15.

When the compressor breaks down or radiating efficiency is too low, pass through the first inlet 17 in the liquid storage cavity 16 Non-conductive liquid is injected, is pressurizeed to liquid storage cavity 16 by the first inlet 17 and the second inlet 18 through air pump 15, institute It states in 15 pressure process of air pump, the liquid outlet 19 is connected to setting with first cavity 20, therefore in liquid storage cavity 16 Non-conductive liquid is flowed under pressure in the first cavity 20, then through 20 bottom of the first cavity is circular hole 21 by non-conductive liquid It is sprayed in the Battery case 1, since first cavity 20 is located in upper cover 2, first cavity 20 is sprayed Non-conductive liquid top-down can then spray, thus can battery surface temperature be subjected to acceleration cooling.It is described non-conductive Liquid is preferably absolute alcohol or distilled water etc..

By injecting the non-conductive liquid such as alcohol or distilled water in above-mentioned liquid storage cavity 16, using circular hole 21 by non-conductive liquid Body from top to bottom sprays on the battery pack, better cooling and heat dissipation, but will produce gas during cooling and heat dissipation or do not lead Electro-hydraulic volume stays in the bottom of Battery case 1, in order to which the non-conductive liquid for accumulating 1 bottom of shown Battery case cleans up, keeps away Exempt to cause corrosion to injure battery pack after chemical reaction occurs in non-conductive liquid storage overlong time, as preferred technical solution For according to Fig.4, the bottom of the Battery case 1 is equipped with the second cavity 22, and the top of second cavity 22 is equipped with several Liquid-leaking nozzle 32, the liquid-leaking nozzle 32 run through the inner top surface of the Battery case 1, and second cavity 22 is close to first babinet 14 side is equipped with one second cavity channel 23, and second cavity channel 23 is extended in first babinet 14, institute The second inlet 18 for stating liquid storage cavity 16 is equipped with pump 24, and 24 one end of the pump connect the second cavity channel 23 by hose 25, The other end connects the second inlet 18 by hose 25.

In use, the pump 24 connects the second cavity channel 23 by hose 25 and carries out air draught behaviour to the second cavity 22 Make, it is empty to flow into second through the suction of pump 24 through liquid-leaking nozzle 32 for the non-conductive liquid that top spray flows to 1 bottom of Battery case at this time In chamber 22, then through the second cavity channel 23 and the second cavity 22 of outflow of hose 25, the non-conductive liquid flowed out by the second cavity 22 It is again flowed into liquid storage cavity 16 by the second inlet 18, realizes that secondary cycle utilizes, radiating efficiency can be accelerated with this, also It is avoided that non-conductive liquid remains in the case where causing corrosion to battery pack in Battery case 1 for a long time, while can also effectively save The use of about non-conductive liquid.

Non-conductive liquid in order to inside contract storage to the liquid storage cavity 16 carries out selective spray, as preferred Technical solution is, according to Fig.5, the inner top surface of the upper cover 2 is equipped with a flexible baffle 26, and the both ends of upper cover 2 are equipped with the One articulated shaft 27 and the second articulated shaft 28,26 one end of the flexible baffle are equipped with fixed rope 29, and the fixed rope 29 is fixed on institute It states on the first articulated shaft 27,26 other end of the flexible baffle is fixed on the second articulated shaft 28, the flexible baffle 26 It is set as cavity, and is equipped with an air inlet 30.

In order to enable first articulated shaft, 27 and second articulated shaft 28 more easily to carry out rotation process, with side Just circular hole 21 is opened or closed using flexible baffle 26, is as preferred technical solution, according to Fig.5, first hinge Spindle 27 and the second articulated shaft 28 extend to the lateral wall of the upper cover 2, and first articulated shaft 27 out of the upper cover 2 It is equipped with handle 31 with the second articulated shaft 28.

When needing to carry out spraying cooling using non-conductive liquid, by the second articulated shaft of rotation process 28, make described the Two articulated shafts 28 rotate clockwise, you can the flexible baffle 26 is crimped onto on second articulated shaft 28, you can will be described The circular hole 21 that flexible baffle 26 is blocked is opened.

When spraying cooling need not be carried out, first articulated shaft 27 is rotated counterclockwise using handle 31, it will be described The rotation of fixed rope 29 being arranged on first articulated shaft 27 is wrapped on first articulated shaft 27, at this time flexible baffle 26 from second 28 direction of articulated shaft is moved towards 27 direction of the first articulated shaft, until the flexible baffle 26 is contacted with first articulated shaft 27, The flexible baffle 26 can block the circular hole 21 at 2 top of the upper cover at this time, you can non-conductive liquid is avoided not need It is flowed out from circular hole 21 when spray.

It cannot be bonded the top surface of the upper cover 2 well in order to further avoid flexible baffle 26 because deforming, it can be described It is inflated at the air inlet 30 of flexible baffle 26, the upper cover 2 can be bonded well after so that the flexible baffle 26 is inflated Top surface, you can the circular hole 21 is closed well, avoids non-conductive liquid from occurring leakage when not in use existing As.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or Among the protection domain that variation is created still in the utility model.

Claims (8)

1. a kind of constant-temperature battery case, which is characterized in that including：Battery case (1), upper cover (2) and pipeline (3), the battery case Body (1) is set as the babinet with opening, and the open end of the Battery case (1) is hinged with upper cover (2), the Battery case (1) Box inside face be equipped with the pipeline (3) that communicates, the pipeline (3) is equipped with input end (4) and outlet end (5), and the import End (4) and outlet end (5) extends to the lateral surface of Battery case (1).

2. a kind of constant-temperature battery case according to claim 1, which is characterized in that be arranged with condenser pipe in the pipeline (3) (6), the both ends of the condenser pipe (6) extend on the outside of the Battery case (1), one end connection compression of the condenser pipe (6) The muffler (7) of machine,

The inner wall of the outlet tube (8) of other end connect compressor, the Battery case (1) is equipped with a thermometer (9), the pressure Contracting machine connect setting with controller (10), and the thermometer (9) connect setting with the controller (10).

3. a kind of constant-temperature battery case according to claim 1, which is characterized in that the interior bottom of the Battery case (1) is set There are the battery pack partition wall (11) of several protrusions, the battery pack partition wall (11) to be divided into the Battery case (1) bottom several A area, each area are placed with battery pack.

4. a kind of constant-temperature battery case according to claim 1, which is characterized in that the inner wall of the pipeline (3) is equipped with one Spiral groove body (12), the spiral groove body (12) are spirally extended to the outlet of the pipeline (3) by the input end (4) of pipeline (3) It holds (5), resistance wire (13) is equipped in the spiral groove body (12).

5. a kind of constant-temperature battery case according to claim 2, which is characterized in that the outside of the Battery case (1) is equipped with First babinet (14), first babinet (14) is interior to be equipped with air pump (15) and liquid storage cavity (16), and the liquid storage cavity (16) sets There are the first inlet (17), the second inlet (18) and liquid outlet (19), the top of the upper cover (2) to be equipped with the first cavity (20), the bottom of first cavity (20) is equipped with several circular holes (21), and the circular hole (21) runs through first cavity (20) With the inner roof wall of the upper cover (2), the liquid outlet (19) of the liquid storage cavity (16) is connected to setting with first cavity (20), Opening of air pump (15) setting in first inlet (17).

6. a kind of constant-temperature battery case according to claim 5, which is characterized in that the bottom of the Battery case (1) is equipped with The top of second cavity (22), second cavity (22) is equipped with several liquid-leaking nozzles (32), and the liquid-leaking nozzle (32) is through described The inner top surface of Battery case (1), second cavity (22) are equipped with one second cavity close to the side of first babinet (14) Pipeline (23), second cavity channel (23) are extended in first babinet (14), the liquid storage cavity (16) Second inlet (18) is equipped with pump (24), and described pump (24) one end connects the second cavity channel (23) by hose (25), another End connects the second inlet (18) by hose (25).

7. a kind of constant-temperature battery case according to claim 5, which is characterized in that the inner top surface of the upper cover (2) is equipped with The both ends of one flexible baffle (26), upper cover (2) are equipped with the first articulated shaft (27) and the second articulated shaft (28), the flexible baffle (26) one end is equipped with fixed rope (29), and the fixed rope (29) is fixed on first articulated shaft (27), the flexible baffle (26) other end is fixed on the second articulated shaft (28), and the flexible baffle (26) is set as cavity, and is equipped with an air inlet (30)。

8. a kind of constant-temperature battery case according to claim 7, which is characterized in that first articulated shaft (27) and the second hinge Spindle (28) extends to the lateral wall of the upper cover (2), and first articulated shaft (27) and second out of the upper cover (2) Articulated shaft (28) is equipped with handle (31).