CN208240844U - Power cut-off device and heat management system - Google Patents
Power cut-off device and heat management system Download PDFInfo
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- CN208240844U CN208240844U CN201820864815.8U CN201820864815U CN208240844U CN 208240844 U CN208240844 U CN 208240844U CN 201820864815 U CN201820864815 U CN 201820864815U CN 208240844 U CN208240844 U CN 208240844U
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- heating film
- temperature
- connecting plate
- heater circuit
- power cut
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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 embodiment provides a kind of power cut-off device and heat management system.Power cut-off device includes the temperature module, push rod, the first connecting plate, the second connecting plate, elastic parts and support frame.One end of the temperature module is connect with heating film, and the other end of the temperature module is connect with push rod, and the one end of push rod far from the temperature module is connect with the first connecting plate, and elastic parts is arranged between the first connecting plate and support frame.First connecting plate and heater circuit are electrically connected by the first connecting line, and the second connecting plate and heater circuit are electrically connected by the second connecting line.The temperature module pushes push rod control heater circuit to disconnect when the temperature for sensing heating film reaches threshold value, and stops pushing push rod, control heater circuit conducting when the temperature for sensing heating film is lower than the threshold value.The battery modules excessively high caused quick-fried spray phenomenon of temperature during heating is avoided as a result, improves the charging quality of battery modules.
Description
Technical field
The utility model relates to battery thermal management technical fields, in particular to a kind of power cut-off device and heat pipe
Reason system.
Background technique
With the fast development of new-energy automobile, battery modules are new as the main energy-storage travelling wave tube on new-energy automobile
The quality of the critical component of energy automobile, charge and discharge directly influences the safe and reliable operation of new energy electric motor vehicle.But it is existing
The charging quality for the most battery modules having is bad.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of power cut-off device and heat management system, to solve
Or improve the above problem.
To achieve the goals above, the utility model embodiment the technical solution adopted is as follows:
The utility model embodiment provides a kind of power cut-off device, is applied to heat management system, the heat management system
Include:
The heating film for being heated to the battery modules is bonded with battery modules；And
It is electrically connected with the heating film, for providing the heater circuit of electric energy to for the heating film；
The power cut-off device include the temperature module, push rod, the first connecting plate, the second connecting plate, elastic parts and
Support frame；
One end of the temperature module is connect with the heating film, and the other end of the temperature module and the push rod connect
It connects, the one end of the push rod far from the temperature module is connect with first connecting plate, and the elastic parts is arranged described
Between first connecting plate and support frame as described above；
First connecting plate and the heater circuit are electrically connected by the first connecting line, second connecting plate and institute
Heater circuit is stated to be electrically connected by the second connecting line, when first connecting plate and second connecting plate contact described in plus
Heater circuit is connected so that the heating film starts to heat the battery modules；
The temperature module is for pushing the push rod when sensing that the temperature of the heating film reaches threshold value, so that institute
Stating push rod pushes first connecting plate to compress the elastic parts so that first connecting plate and second connecting plate point
From to control the heater circuit disconnection, and stopping pushes institute when the temperature for sensing the heating film is lower than the threshold value
Push rod is stated, so that being pushed first connecting plate so that first connecting plate and institute by the elastic parts rebound compressed
The contact of the second connecting plate is stated, to control the heater circuit conducting.
Optionally, the temperature module includes:
It is arranged in the heating film, the temperature sensing package of the temperature change for incuding the heating film；
It is connected to the temperature sensing package, for the temperature sensing package to be sensed to what the temperature change of the heating film was conducted
Heat exchanger tube；And
It is connected to the heat exchanger tube, for being expanded or being shunk according to the temperature change of the heating film to pass
Pass the expansion chamber of corresponding pressure.
Optionally, thermo-responsive dilatant is filled in the temperature sensing package, the heat exchanger tube and the expansion chamber
Matter.
Optionally, the heat exchanger tube include first passage, second channel, third channel, the first dogleg passage and
Second dogleg passage；
The first passage is connected to the temperature sensing package, and one end of the second channel and the first passage are far from described
One end of temperature sensing package is connected to by first dogleg passage, and the other end of the second channel and the third channel pass through institute
The connection of the second dogleg passage is stated, the third channel is connected to far from one end of second dogleg passage with the expansion chamber.
Optionally, the extending direction of the first passage is parallel with the extending direction of the third channel, and described second is logical
The extending direction in road is vertical with the extending direction of the extending direction of the first passage or the third channel.
Optionally, the coefficient of elasticity of the elastic parts is related with the coefficient of expansion of the threshold value and the temperature module.
Optionally, the elastic parts is spring.
Second aspect, the utility model embodiment also provide a kind of heat management system, and the heat management system includes:
The heating film for being heated to the battery modules is bonded with battery modules；
It is electrically connected with the heating film, for providing the heater circuit of electric energy to for the heating film；
And the above-mentioned power cut-off device being electrically connected with the heater circuit, the power cut-off device are used for
It senses and cuts off the heater circuit when temperature of the heating film reaches threshold value, and sensing that the temperature of the heating film reaches
The heater circuit is connected when to threshold value.
Optionally, it is also enclosed with flame resistant heat insulation material in the heating film, when the temperature of the heating film reaches the threshold value
Shi Suoshu flame resistant heat insulation material generates thermal insulation layer between the heating film and the battery modules, with to the battery modules into
The heat-insulated processing of row.
Optionally, the flame resistant heat insulation material include one of inorganic acid compound, the gentle source object of foam carbide or
Person's multiple combinations.
In terms of existing technologies, the utility model has the following beneficial effects:
Power cut-off device and heat management system provided by the embodiment of the utility model, by the temperature module in heating film
Expanded by heating pushes push rod that the first connecting plate and the second connecting plate are separated when temperature reaches threshold value, to disconnect heating electricity
Road avoids the battery modules excessively high caused quick-fried spray phenomenon of temperature during heating, improves the charging quality of battery modules.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is that power cut-off device provided by the embodiment of the utility model applies a kind of structural representation in heating film
Figure；
Fig. 2 is that power cut-off device provided by the embodiment of the utility model applies another structural representation in heating film
Figure；
Fig. 3 is the structural schematic diagram of the temperature module provided by the embodiment of the utility model.
Icon: 100- power cut-off device；110- the temperature module；111- temperature sensing package；112- first passage；113- second is logical
Road；114- third channel；The first dogleg passage of 115-；The second dogleg passage of 116-；117- expansion chamber；120- push rod；130-
First connecting plate；The first connecting line of 135-；The second connecting plate of 140-；The second connecting line of 145-；150- elastic parts；160- support
Frame；200- heating film.
Specific embodiment
Core component of the power battery module as new energy electric motor vehicle, the quality of charge and discharge directly influence new energy
The safe and reliable operation of electric vehicle.Present inventor has found existing big during realizing the present embodiment technical solution
The charging quality of more battery modules is bad, by carefully analyzing and the study found that the master for causing battery modules charging quality bad
Reason is wanted to be that the temperature of battery core in battery modules is difficult to control during the charging process.For example, being filled for some battery modules
Battery core temperature may be too low when electric, and then causes charging quality bad or even can not charge, for being provided with heating
The battery modules of device, due to being difficult to control the temperature of heating device, during being heated by heating component and battery core
Phenomena such as it is excessively high to may cause battery core temperature, causes battery core quick-fried spray, it is bad to also result in charging quality.
Defect present in the above scheme in the prior art, is that inventor is obtaining after practicing and carefully studying
As a result, therefore, what the discovery procedure of the above problem and hereinafter the utility model embodiment were proposed regarding to the issue above
Solution all should be the contribution that inventor makes the utility model during the utility model.
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under
The feature in embodiment and embodiment stated can be combined with each other.
Referring to Fig. 1, being applied in heating film 200 for power cut-off device 100 provided by the embodiment of the utility model
A kind of structural schematic diagram.In the present embodiment, the power cut-off device 100 is applied to heat management system, the heat management system
Including be bonded with battery modules heating film 200 for being heated to the battery modules and with 200 electricity of heating film
Property connection, for providing the heater circuit of electric energy to for the heating film 200.The heating film 200 can be used in battery mould
Group temperature heats battery modules when too low so that battery modules carry out normal charge and discharge.
In the utility model embodiment, the power cut-off device 100 may include the temperature module 110, push rod 120,
First connecting plate 130, the second connecting plate 140, elastic parts 150 and support frame 160.In detail, the temperature module 110
One end is connect with the heating film 200, and the other end of the temperature module 110 is connect with the push rod 120, the push rod 120
It is connect far from one end of the temperature module 110 with first connecting plate 130, the elastic parts 150 is arranged described the
Between one connecting plate 130 and support frame as described above 160.First connecting plate 130 passes through the first connecting line with the heater circuit
135 are electrically connected, and second connecting plate 140 and the heater circuit are by the electric connection of the second connecting line 145, when described the
One connecting plate 130 when being contacted with second connecting plate 140 heater circuit be connected so that the heating film 200 starts to institute
Battery modules are stated to be heated.
When implementing, as shown in Figure 1, the temperature module 110 reaches threshold value in the temperature for sensing the heating film 200
When push the push rod 120 so that the push rod 120 push first connecting plate 130 to compress the elastic parts 150 so that
First connecting plate 130 is separated with second connecting plate 140, is disconnected to control the heater circuit.Then, in conjunction with ginseng
It reads shown in Fig. 2, the temperature module 110 continues to incude the temperature of the heating film 200, is sensing the heating film 200
Temperature stops pushing the push rod 120 when being lower than the threshold value, so that by described in the rebound promotion of the elastic parts 150 compressed
First connecting plate 130 is so that first connecting plate 130 is contacted with second connecting plate 140, to control the heating electricity
Road conducting.
Based on above-mentioned design, the present embodiment is heated by the temperature module 110 when the temperature of heating film 200 reaches threshold value swollen
Swollen promotion push rod 120 separates the first connecting plate 130 and the second connecting plate 140, to disconnect heater circuit, avoids battery
Mould group during heating temperature it is excessively high caused by quick-fried spray phenomenon, improve the charging quality of battery modules.
Optionally, a kind of structure of the temperature module 110 is referring to Fig. 3, the temperature module 110 may include temperature-sensitive
Packet 111, thermal conduction path and expansion chamber 117.The temperature sensing package 111 is arranged in the heating film 200, for incuding
State the temperature change of heating film 200.The heat exchanger tube is connected to the temperature sensing package 111, for feeling the temperature sensing package 111
The temperature change that the heating film 200 should be arrived is conducted.The expansion chamber 117 is connected to the heat exchanger tube, is used for
It is expanded or is shunk to transmit corresponding pressure according to the temperature change of the heating film 200, for example, working as the heating film
When 200 temperature increases, the expansion chamber 117, which is expanded such that the push rod 120, applies pressure, when the heating film
When 200 temperature reduces, the expansion chamber 117 shrinks to reduce the pressure for applying the push rod 120.
Optionally, filled with thermo-responsive in the temperature sensing package 111, the heat exchanger tube and the expansion chamber 117
Dilatant, the thermo-responsive dilatant can change in the temperature of the heating film 200 to be expanded or is shunk,
To control the push rod 120.
Optionally, the coefficient of expansion of the coefficient of elasticity Yu the threshold value and the temperature module 110 of the elastic parts 150
It is related.That is, the coefficient of elasticity of the elastic parts 150 is needed in view of the threshold value and the temperature module in design
110 coefficient of expansion.For example, the temperature module 110 expands under some fixed temperature threshold value (such as 45 degree), expansion
The pressure applied afterwards pushes the push rod 120, and push rod 120 just pushes first connecting plate 130 to make first connection
Plate 130 compresses the elastic parts 150 far from second connecting plate 140, at this time the coefficient of elasticity of the elastic parts 150
Meet actual requirement, while being convenient for follow-up maintenance, for example, if the elastic parts 150 can be replaced directly in subsequent damage
The elastic parts 150 of corresponding coefficient of elasticity, it is convenient and efficient.
Optionally, the elastic parts 150 is spring.
Still refering to Fig. 3, optionally, the heat exchanger tube includes first passage 112, second channel 113, third channel
114, the first dogleg passage 115 and the second dogleg passage 116.The first passage 112 is connected to the temperature sensing package 111, institute
One end and the one end of the first passage 112 far from the temperature sensing package 111 for stating second channel 113 are logical by first bending
Road 115 is connected to, and the other end of the second channel 113 and the third channel 114 are connected by second dogleg passage 116
Logical, the one end of the third channel 114 far from second dogleg passage 116 is connected to the expansion chamber 117.Lead to as a result,
Cross setting first passage 112, second channel 113, third channel 114, the first dogleg passage 115 and the second dogleg passage 116
Coil structure, the occupied space of the power cut-off device 100 can be greatly reduced, improve space utilization rate.
Optionally, in order to guarantee the thermal expansion speed of the temperature module 110, the extending direction of the first passage 112
It is parallel with the extending direction of the third channel 114, the extending direction of the second channel 113 and the first passage 112
The extending direction of extending direction or the third channel 114 is vertical, thus, it is possible to shorten the transmission range of thermal expansion, improves
The temperature-sensitive speed of the temperature module 110.
Further, the utility model embodiment also provides a kind of heat management system, and the heat management system includes and electricity
Heating film 200 and the heating film 200 of the Chi Mo group fitting for being heated to the battery modules are electrically connected, and are used for
To the heater circuit for providing electric energy for the heating film 200 and the above-mentioned dump being electrically connected with the heater circuit
Device 100, the power cut-off device 100 are used for when sensing that the temperature of the heating film 200 reaches threshold value described in cutting
Heater circuit, and the heater circuit is connected when sensing that the temperature of the heating film 200 reaches threshold value.
Optionally, flame resistant heat insulation material (not shown) has been can be coated in the heating film 200, when the heating
The temperature of film 200 when reaching the threshold value flame resistant heat insulation material generated between the heating film 200 and the battery modules
Thermal insulation layer, to be thermally insulated to the battery modules.Thereby, it is possible to improve to the controllable of entire battery modules heating temperature
Property, and then improve the charging quality of battery modules.
Optionally, the flame resistant heat insulation material include one of inorganic acid compound, the gentle source object of foam carbide or
Person's multiple combinations.These flame resistant heat insulation materials uniformly mix and are set to the side of heating film 200, so as to further mention
Height improves the charging quality of battery modules to the controllability of entire battery modules heating temperature.
In conclusion power cut-off device provided by the embodiment of the utility model and heat management system, pass through the temperature module
When the temperature of heating film reaches threshold value, expanded by heating pushes push rod that the first connecting plate and the second connecting plate are separated, thus disconnected
Heater circuit is opened, the battery modules excessively high caused quick-fried spray phenomenon of temperature during heating is avoided, improves battery modules
Charging quality.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (10)
1. a kind of power cut-off device, which is characterized in that be applied to heat management system, the heat management system includes:
The heating film for being heated to the battery modules is bonded with battery modules；And
It is electrically connected with the heating film, for providing the heater circuit of electric energy to for the heating film；
The power cut-off device includes the temperature module, push rod, the first connecting plate, the second connecting plate, elastic parts and support
Frame；
One end of the temperature module is connect with the heating film, and the other end of the temperature module is connect with the push rod, institute
It states the one end of push rod far from the temperature module to connect with first connecting plate, the elastic parts setting connects described first
Between fishplate bar and support frame as described above；
First connecting plate and the heater circuit are electrically connected by the first connecting line, and second connecting plate adds with described
Heater circuit is electrically connected by the second connecting line, the heating electricity when first connecting plate is contacted with second connecting plate
Road is connected so that the heating film starts to heat the battery modules；
The temperature module is for pushing the push rod when sensing that the temperature of the heating film reaches threshold value, so that described push away
First connecting plate is pushed to compress the elastic parts for bar so that first connecting plate is separated with second connecting plate, from
And it controls the heater circuit and disconnects, and stop pushing away described in promotion when the temperature for sensing the heating film is lower than the threshold value
Bar, so that being pushed first connecting plate by the elastic parts rebound compressed so that first connecting plate and described the
Two connecting plates contact, to control the heater circuit conducting.
2. power cut-off device according to claim 1, which is characterized in that the temperature module includes:
It is arranged in the heating film, the temperature sensing package of the temperature change for incuding the heating film；
It is connected to the temperature sensing package, the heat for the temperature sensing package to be sensed to, the temperature change of the heating film is conducted passes
Conduit road；And
It is connected to the heat exchanger tube, for being expanded or being shunk according to the temperature change of the heating film with transmitting pair
The expansion chamber for the pressure answered.
3. power cut-off device according to claim 2, which is characterized in that the temperature sensing package, the heat exchanger tube with
And thermo-responsive dilatant is filled in the expansion chamber.
4. power cut-off device according to claim 2, which is characterized in that the heat exchanger tube include first passage,
Second channel, third channel, the first dogleg passage and the second dogleg passage；
The first passage is connected to the temperature sensing package, and one end of the second channel and the first passage are far from the temperature-sensitive
One end of packet is connected to by first dogleg passage, and the other end of the second channel and the third channel pass through described the
The connection of two dogleg passages, the third channel are connected to far from one end of second dogleg passage with the expansion chamber.
5. power cut-off device according to claim 4, which is characterized in that the extending direction of the first passage with it is described
The extending direction of third channel is parallel, the extending direction of the extending direction of the second channel and the first passage or described
The extending direction of third channel is vertical.
6. power cut-off device according to claim 1, which is characterized in that the coefficient of elasticity of the elastic parts with it is described
Threshold value is related with the coefficient of expansion of the temperature module.
7. power cut-off device according to claim 1, which is characterized in that the elastic parts is spring.
8. a kind of heat management system, which is characterized in that the heat management system includes:
The heating film for being heated to the battery modules is bonded with battery modules；
It is electrically connected with the heating film, for providing the heater circuit of electric energy to for the heating film；
And power cut-off device described in any one of claim 1-7 being electrically connected with the heater circuit, it is described
Power cut-off device is being sensed for cutting off the heater circuit when sensing that the temperature of the heating film reaches threshold value
The heater circuit is connected in the temperature of the heating film when reaching threshold value.
9. heat management system according to claim 8, which is characterized in that be also enclosed with anti-flaming thermal-insulation material in the heating film
Material, when the temperature of the heating film reaches the threshold value flame resistant heat insulation material the heating film and the battery modules it
Between generate thermal insulation layer, to be thermally insulated to the battery modules.
10. heat management system according to claim 9, which is characterized in that the flame resistant heat insulation material includes inorganic acidifying
Close the combination of one or more of object, the gentle source object of foam carbide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820864815.8U CN208240844U (en) | 2018-06-05 | 2018-06-05 | Power cut-off device and heat management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820864815.8U CN208240844U (en) | 2018-06-05 | 2018-06-05 | Power cut-off device and heat management system |
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| Publication Number | Publication Date |
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| CN208240844U true CN208240844U (en) | 2018-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550958A (en) * | 2018-06-05 | 2018-09-18 | 华霆（合肥）动力技术有限公司 | Power cut-off device and heat management system |
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2018
- 2018-06-05 CN CN201820864815.8U patent/CN208240844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550958A (en) * | 2018-06-05 | 2018-09-18 | 华霆（合肥）动力技术有限公司 | Power cut-off device and heat management system |
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