CN209860114U - Thermal insulation battery pack - Google Patents
Thermal insulation battery pack Download PDFInfo
- Publication number
- CN209860114U CN209860114U CN201920562609.6U CN201920562609U CN209860114U CN 209860114 U CN209860114 U CN 209860114U CN 201920562609 U CN201920562609 U CN 201920562609U CN 209860114 U CN209860114 U CN 209860114U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- battery
- temperature
- protection
- protection switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a heat preservation battery pack, which comprises a plurality of battery cells which are combined to form a battery pack; the heating structure comprises a soft rubber layer wrapped on the periphery of the battery pack and a heating wire arranged in the soft rubber layer; the shell is wrapped on the periphery of the heating structure; protection architecture locates in the shell, and protection architecture includes protection circuit board, protection switch and is used for detecting the temperature-sensing ware of electric core temperature, and protection switch and temperature-sensing ware all are connected with protection circuit board electricity, and the temperature-sensing ware has preset low temperature early warning value, and heater strip, protection switch, group battery series connection close protection switch when making the group battery temperature be less than low temperature early warning value. The utility model provides a heat preservation group battery, when the temperature of group battery is less than low temperature early warning value, protection switch closes, and the heater strip switches on with the group battery and produces the heat, improves the temperature of group battery, can make this group battery can work under normal temperature.
Description
Technical Field
The utility model belongs to the technical field of the battery, more specifically say, relate to a heat preservation group battery.
Background
The chemical reaction speed and the efficiency of the lithium ion battery are greatly influenced by the temperature, and when the temperature is lower, the chemical reaction of the lithium battery is slow, the discharge current of the battery is reduced, the capacity of the battery is reduced, and the like. Therefore, the lithium ion battery can not work normally or only work temporarily at low temperature, and normal production and life can be influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat preservation group battery to solve the technical problem of the unable normal work of battery when the temperature that exists among the prior art is lower.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is a heat-retaining battery pack including:
a plurality of battery cells which are combined to form a battery pack;
the heating structure comprises a soft rubber layer wrapped on the periphery of the battery pack and a heating wire arranged in the soft rubber layer;
the shell is wrapped on the periphery of the heating structure;
the protection structure is arranged in the shell and comprises a protection circuit board, a protection switch and a temperature sensor used for detecting the temperature of the battery cell, the protection switch is electrically connected with the protection circuit board, a low-temperature early warning value is preset in the temperature sensor, the heating wire is connected with the protection switch and the battery pack in series, and the battery pack temperature is smaller than the low-temperature early warning value and is closed when the protection switch is closed.
Further, the protection structure further comprises a first indicator light for displaying the working state of the heating wire, and the heating wire, the first indicator light and the protection switch are connected in series.
Further, the heat preservation group battery still including be used for pegging graft external power source and for the charging plug that the group battery charges, protection architecture still includes the second pilot lamp that is used for showing group battery charged state, the second pilot lamp with the group battery electricity is connected.
Furthermore, the heating structure is hollow, two ends of the heating structure are provided with openings, and the protection circuit board is arranged at one of the openings.
Further, each of the battery cells is electrically connected through a metal sheet, and an end of the metal sheet is welded to the battery cell.
Further, the group battery is respectively towards two the open-ended both sides are all pasted and are equipped with first insulating layer, first insulating layer is seted up and is used for dodging the hole of dodging of sheetmetal.
Further, the metal sheet is a nickel sheet or a copper sheet.
Furthermore, the two sides of the battery pack facing the two openings are respectively provided with a second insulating layer, the second insulating layers are arranged on the outer sides of the first insulating layers, and the protection circuit board is arranged between the first insulating layers and the second insulating layers.
Further, the battery cells are cylindrical, and the battery cells are arranged along a direction perpendicular to the axial direction of the battery cells.
Further, the soft rubber layer is a silica gel layer or a rubber layer.
The utility model provides a heat preservation group battery's beneficial effect lies in: compared with the prior art, the utility model discloses the heat preservation group battery includes electric core, and a housing, heating structure and protection architecture, heating structure comprises the inside heater strip of soft glue layer and soft glue layer, its inside heater strip can be protected and fixed on the soft glue layer, still can make the heater strip insulating with the group battery, the heater strip passes through the protection switch in the protection architecture and is connected with the group battery electricity that electric core constitutes, and protection architecture still includes the temperature-sensing ware, when the temperature that the temperature-sensing ware detected is less than low temperature early warning value, the protection switch closes, the heater strip switches on with the group battery and produces the heat, improve the temperature of group battery, make this group battery can work under normal temperature.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a three-dimensional structure diagram of a heat preservation battery pack provided by an embodiment of the present invention;
fig. 2 is an explosion structure diagram of the thermal battery pack provided by the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a battery pack; 11-electric core; 2-a heating structure; 21-soft glue layer; 3-a first insulating layer; 4-a protective structure; 41-protective circuit board; 42-a first indicator light; 43-a second indicator light; 44-a charging plug; 45-temperature sensor; 5-a second insulating layer; 6-outer shell.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and fig. 2 together, the heat preservation battery pack provided by the present invention will now be described. In one embodiment, the thermal battery pack includes a cell 11, a housing 6, a heating structure 2, and a protective structure 4. The number of the battery cells 11 is plural, the battery cells 11 are connected in series and in parallel to form the battery pack 1, and the connection manner of the battery cells 11 and the rated voltage and power finally formed by the battery pack 1 are not limited herein. The heating structure 2 is wrapped around the battery pack 1 for heating the battery pack 1 in a low temperature state. Heating structure 2 includes soft glue layer 21 and heater strip, and the material of soft glue layer 21 is softer, and the supplied materials can be the slice, and it buckles the periphery of parcel at group battery 1 to be convenient for, and soft glue layer 21 has protection, fixed and insulating effect to the heater strip. The soft rubber layer 21 can be selected from a silica gel layer, a rubber layer and the like. The heater strip can be buckled and set up in soft glue film 21, and the length of the inside heater strip of multiplicable soft glue film 21 like this guarantees better heating effect. The heating wire can be an iron-chromium-aluminum heating wire, a nickel-chromium heating wire and the like. The outer shell 6 is wrapped on the periphery of the heating structure 2 and used for protecting the heating structure 2 and the battery pack 1. In shell 6 was located to protection architecture 4, protection architecture 4 included protection circuit board 41, temperature-sensing ware 45 and protection switch, and temperature-sensing ware 45, protection switch all are connected with protection circuit board 41 electricity, and temperature-sensing ware 45 is used for detecting the temperature of group battery 1 to according to the opening and the closure of the temperature value control protection switch that detects, thereby control the operating condition of heater strip. Wherein the temperature sensor 45 is prior art and the circuit for controlling the protection switch by means of the temperature sensor 45 is also prior art. The protection switch, the battery pack 1 and the heating wire are connected in series. Both the temperature sensor 45 and the protection switch can be integrated on the protection circuit board 41. Specifically, the temperature sensor 45 has preset a low-temperature early warning value, and when the temperature detected by the temperature sensor 45 is smaller than the low-temperature early warning value, the protection switch is closed, the heating wire is electrically connected with the battery pack 1, the battery pack 1 provides energy for the heating wire, and the heating wire heats up to improve the temperature of the battery pack 1, so that the battery pack 1 normally works.
The utility model provides a heat preservation group battery, compared with the prior art, the utility model discloses heat preservation group battery includes electric core 11, shell 6, heating structure 2 and protection architecture 4, heating structure 2 comprises the inside heater strip of soft glue layer 21 and soft glue layer 21, the inside heater strip of soft glue layer 21 protectable and fixed, still can make the heater strip insulating with group battery 1, the heater strip passes through the protection switch in protection architecture 4 and is connected with 1 electricity of group battery that electric core 11 is constituteed, and protection architecture 4 still includes temperature-sensing ware 45, when the temperature that detects of temperature-sensing ware 45 is less than low temperature early warning value, protection switch closes, the heater strip switches on with group battery 1 and produces the heat, improve the temperature of group battery 1, make this group battery 1 can work under normal temperature.
Referring to fig. 2, in one embodiment, the protection structure 4 further includes a first indicator light 42 for indicating the working status of the heating wire, and the heating wire and the first indicator light 42 are connected in series with the protection switch. When the protection switch is closed, the heating wire and the first indicator lamp 42 are both in a conducting state, and when the heating wire works normally, the first indicator lamp 42 is turned on to represent that the heating wire works normally. The first indicator lamp 42 is provided to allow the user to grasp the state of the heating wire in time. The first indicator light 42 may optionally be a light emitting diode.
Optionally, the protection structure 4 further comprises a fuse, which is connected in series with the battery pack 1, and the function of the fuse is to protect the battery pack 1 from a short circuit.
Referring to fig. 2, in one embodiment, the heat-preservation battery pack further includes a charging plug 44 for connecting an external power source and charging the battery pack 1, the protection structure 4 further includes a second indicator light 43 for displaying a charging state of the battery pack 1, and the second indicator light 43 is electrically connected to the battery pack 1. When the charging plug 44 is plugged into an external power supply, the battery pack 1 can be charged, so that the battery pack 1 can be used repeatedly. Wherein the charging plug 44 is electrically connected to the battery pack 1. The second indicator light 43 may be selected as a light emitting diode. When the charging plug 44 is plugged with an external power supply, the second indicator lamp 43 is turned on and shines; when the charging plug 44 is not plugged with power, the second indicator lamp 43 is turned off.
Referring to fig. 2, in one embodiment, the heating structure 2 is hollow and has openings at two ends, and the protection circuit board 41 is disposed at the opening at one end of the heating structure 2. The both ends of group battery 1 set up towards two openings respectively, and wherein one end of group battery 1 is located to protection circuit board 41, can rationally utilize the space at group battery 1 both ends like this, can not additionally increase the volume of group battery 1.
Alternatively, the battery cells 11 are cylindrical battery cells, and the battery cells 11 are arranged in a direction perpendicular to the axial direction thereof. In this embodiment, the cells 11 are arranged in a single row. In other embodiments, the battery cells 11 may also be arranged in two rows or multiple rows. The cylindrical two ends of the battery cell 11 are respectively arranged towards the two openings.
Referring to fig. 2, in one embodiment, each of the battery cells 11 is electrically connected through a metal sheet, and an end of the metal sheet is welded to the battery cell 11. The two ends of the metal sheet are respectively connected with the positive electrode of one battery cell 11 and the negative electrode of the other battery cell 11. The metal sheet can be selected from nickel sheet, copper sheet and other sheet materials with better conductivity.
Referring to fig. 2, in one embodiment, the battery pack 1 is provided with a first insulating layer 3 attached to two sides facing two openings, and the first insulating layer 3 is provided with a plurality of avoiding holes for avoiding metal sheets. On one first insulating layer 3, the number of the avoiding holes is the same as the number of the battery cells 11, and both ends of each battery cell 11 need to be electrically connected with other battery cells 11 or the protection circuit board 41 through metal sheets. More specifically, the battery cell 11 is a cylindrical battery cell, the first insulating layer 3 is formed by sequentially connecting a plurality of annular portions, and the metal sheet penetrates through holes of the annular portions to be welded with the battery cell 11. The first insulating layer 3 functions to prevent both ends of the cell 11 from being short-circuited with the protection circuit board 41, the adjacent cell 11, and the like. The first insulating layer 3 may be selected to be red post insulating paper.
Referring to fig. 2, in one embodiment, the battery pack 1 is further provided with second insulating layers 5 on two sides facing the two openings, respectively, the second insulating layers 5 are disposed on the outer sides of the first insulating layers 3, and the protection circuit board 41 is disposed between the first insulating layers 3 and the second insulating layers 5. More specifically, the first insulating layer 3 and the second insulating layer 5 are sequentially attached to the surface of one end of the battery pack 1, and the first insulating layer 3, the protection circuit board 41, and the second insulating layer 5 are sequentially disposed at the other end of the battery pack 1. The second insulating layer 5 serves to insulate the battery pack 1 from the outside, prevent short circuits, leakage of electricity, etc., and improve the safety of the battery pack 1. The second insulating layer 5 can be selected as brown insulating glue.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The group battery that keeps warm, its characterized in that includes:
a plurality of battery cells which are combined to form a battery pack;
the heating structure comprises a soft rubber layer wrapped on the periphery of the battery pack and a heating wire arranged in the soft rubber layer;
the shell is wrapped on the periphery of the heating structure;
the protection structure is arranged in the shell and comprises a protection circuit board, a protection switch and a temperature sensor used for detecting the temperature of the battery cell, the protection switch is electrically connected with the protection circuit board, a low-temperature early warning value is preset in the temperature sensor, the heating wire is connected with the protection switch and the battery pack in series, and the battery pack temperature is smaller than the low-temperature early warning value and is closed when the protection switch is closed.
2. An insulated battery pack according to claim 1, wherein: the protection structure further comprises a first indicator light for displaying the working state of the heating wire, and the heating wire, the first indicator light and the protection switch are connected in series.
3. An insulated battery pack according to claim 1, wherein: the heat preservation group battery is still including being used for pegging graft external power source and doing the charging plug that the group battery charges, protection architecture is still including being used for showing the second pilot lamp of group battery charged state, the second pilot lamp with the group battery electricity is connected.
4. An insulated battery pack according to claim 1, wherein: the heating structure is hollow, openings are formed in two ends of the heating structure, and the protection circuit board is arranged at one opening.
5. An insulated battery pack according to claim 4, wherein: each battery cell is electrically connected through a metal sheet, and the end part of the metal sheet is welded with the battery cell.
6. An insulated battery pack according to claim 5, wherein: the battery pack faces to two the open-ended both sides are all pasted and are equipped with the first insulation layer, the first insulation layer is offered and is used for dodging the hole of dodging of sheetmetal.
7. An insulated battery pack according to claim 5, wherein: the metal sheet is a nickel sheet or a copper sheet.
8. An insulated battery pack according to claim 6, wherein: the battery pack faces two sides of the opening are also respectively provided with a second insulating layer, the second insulating layers are arranged on the outer side of the first insulating layer, and the protection circuit board is arranged between the first insulating layer and the second insulating layer.
9. An insulated battery pack according to claim 1, wherein: the battery cell is a cylindrical battery cell, and the battery cells are arranged along the direction vertical to the axial direction of the battery cells.
10. An insulated battery pack according to claim 1, wherein: the soft rubber layer is a silica gel layer or a rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562609.6U CN209860114U (en) | 2019-04-23 | 2019-04-23 | Thermal insulation battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562609.6U CN209860114U (en) | 2019-04-23 | 2019-04-23 | Thermal insulation battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209860114U true CN209860114U (en) | 2019-12-27 |
Family
ID=68939264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920562609.6U Active CN209860114U (en) | 2019-04-23 | 2019-04-23 | Thermal insulation battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209860114U (en) |
-
2019
- 2019-04-23 CN CN201920562609.6U patent/CN209860114U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2012243535A (en) | Battery pack | |
| CN102113150A (en) | Middle or large-sized battery pack with improved safety | |
| CN110112336A (en) | Battery pack | |
| CN107146860A (en) | Battery cell, battery bag and the vehicle with it | |
| JP2018521469A (en) | Battery module with wire fixing rib | |
| JP3658877B2 (en) | battery pack | |
| CN209860114U (en) | Thermal insulation battery pack | |
| KR20210027948A (en) | Battery Pack, Battery Rack And Energy Storage System Comprising The Same | |
| WO2021139654A1 (en) | Battery, battery module, battery pack and electric vehicle | |
| CN210350043U (en) | Electric automobile and power battery thereof | |
| CN108550750B (en) | Battery pack with controllable heating temperature and battery pack system | |
| CN108370007A (en) | The method of battery module housings, battery module, battery pack, battery, means of transport and manufacture battery module, battery pack and battery | |
| CN202749439U (en) | Guide plate for battery pack and battery pack | |
| CN213150877U (en) | Solid-state battery heating device | |
| CN214505609U (en) | Battery pack and battery module | |
| CN209993705U (en) | Self-temperature-control battery | |
| CN210778897U (en) | Self-temperature-control battery | |
| CN113140831A (en) | Battery pack and battery module | |
| CN218677324U (en) | Heating system and battery box | |
| CN213546382U (en) | 9V lithium battery | |
| CN217280976U (en) | Heat-insulating battery, battery module, battery pack and new energy automobile | |
| CN210403881U (en) | Battery pack for generator | |
| CN219718503U (en) | Novel unidirectional heat transfer heating device, unidirectional heat transfer heating core and battery | |
| CN219349085U (en) | Test cell and thermal runaway experimental system | |
| CN214797546U (en) | Battery system with temperature control function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |