CN219106305U

CN219106305U - Battery pack of cold and hot management of integral type

Info

Publication number: CN219106305U
Application number: CN202223152299.1U
Authority: CN
Inventors: 陶强; 唐庆伟; 年汪洋; 管学兵; 王刚
Original assignee: Anhui Ruilu Technology Co ltd
Current assignee: Anhui Ruilu Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-30
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to the technical field of battery assemblies, in particular to an integrated cold and heat management battery assembly which comprises a battery shell, wherein a plurality of water cooling plates which are arranged in a coplanar manner are arranged in the battery shell, and a battery is positioned between the water cooling plates; one end of the inner side of the battery shell is fixedly connected with a liquid heat PTC, and the end parts of the two sides of the periphery of the liquid heat PTC are fixedly connected with water pipes; through a plurality of water-cooling plates that are equipped with at the battery periphery in the battery case to drain outside water-cooling source through the connected action of water pipe, thereby can realize water-cooling and heat transfer's heat preservation effect to the battery, can realize the control of adjusting temperature with the help of the regulation and control effect of hydrothermal PTC when making the battery operate under the different temperature environment of outside, the effectual control of whole car end spare part quantity of having realized, and avoided the not good problem of battery system heating effect.

Description

Battery pack of cold and hot management of integral type

Technical Field

The utility model relates to the technical field of battery assemblies, in particular to an integrated cold and heat management battery assembly.

Background

In the current mainstream battery system, a lithium ion battery core is used, and the optimal working temperature range of the lithium ion battery is +20- +30 ℃, so that the capacity of the lithium battery formed by anode lithium precipitation is permanently reduced due to low-temperature working. Operating at high temperatures, the active chemistry may react irreversibly, thereby damaging the cell. In the prior art, for example, patent number CN202220134828.6 discloses a cabinet type liquid cooling heat management device for an energy storage battery, comprising a shell; the refrigerating assembly comprises a compressor, a condenser, a heat exchanger and an expansion valve, wherein the air outlet end of the compressor is connected with the air inlet end of the condenser, the liquid outlet end of the condenser is connected with the first fluid inlet end of the heat exchanger, and the first fluid outlet end of the heat exchanger is connected with the air inlet end of the compressor; and the cooling liquid circulation pipeline comprises a cooling liquid storage tank, a cooling liquid feeding port and a cooling liquid returning port, and the structure can be used for carrying out heat management on the battery and realizing a liquid cooling type heat management scheme.

However, the inventors found that the battery pack in the prior art is difficult to control the number of parts at the end of the whole vehicle and has a problem that the heating effect of the battery system is poor.

Disclosure of Invention

Accordingly, the present utility model is directed to a battery pack with integrated heat and cold management, which solves the problems of difficulty in controlling the number of parts at the end of the whole vehicle and poor heating effect of the battery system.

Based on the above object, the present utility model provides a battery pack for integrated cold and heat management, comprising: the battery comprises a battery shell, wherein a plurality of water cooling plates which are arranged in a coplanar manner are arranged in the battery shell, and the battery is positioned between the water cooling plates;

the liquid heat PTC battery comprises a battery shell, wherein a liquid heat PTC is fixedly connected to one end of the inner side of the battery shell, water pipes are fixedly connected to the end parts of the two sides of the periphery of the liquid heat PTC, a humidity sensor is fixedly connected to one side, close to the liquid heat PTC, of the inner side of the battery shell, and a temperature sensor is fixedly connected to one side of the liquid heat PTC;

the battery shell is characterized in that a water inlet connector and a water outlet connector are fixedly inserted into the positions, close to two ends, of one side of the periphery of the battery shell respectively, the ends of the two groups of water pipes are connected with the water inlet connector and the water outlet connector respectively, and the liquid heat PTC is connected with the water inlet connector and the water outlet connector respectively through the water pipes.

Preferably, a sealing ring is fixedly connected between the contact surface of the water inlet connector and the battery shell and between the contact surface of the water outlet connector and the battery shell.

Preferably, one end of the hydrothermal PTC is fixedly connected with a wire, and one end of the wire penetrates through the battery shell.

Preferably, the water cooling plate further comprises:

the plate body, the sealed chamber has been seted up to the inside of plate body, the sealed intracavity portion fixedly connected with return pipe, the return pipe in two adjacent plate bodies communicates with each other.

Preferably, a first connector is fixedly connected to one side of the outer periphery of the plate body, and a second connector is fixedly connected to the other side of the outer periphery of the plate body;

the periphery of the return pipe is fixedly connected with a first pipe head, a second pipe head, a third pipe head and a fourth pipe head which are communicated with each other, the first connector is used for connecting the adjacent first pipe head and second pipe head, and the second connector is used for connecting the adjacent third pipe head and fourth pipe head.

Preferably, the central axis of the first connector and the central axis of the second connector are vertically arranged.

The utility model has the beneficial effects that: through a plurality of water-cooling plates that are equipped with at the battery periphery in the battery case to drain outside water-cooling source through the connected action of water pipe, thereby can realize water-cooling and heat transfer's heat preservation effect to the battery, can realize the control of adjusting temperature with the help of the regulation and control effect of hydrothermal PTC when making the battery operate under the different temperature environment of outside, the effectual control of whole car end spare part quantity of having realized, and avoided the not good problem of battery system heating effect.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the internal structure of a battery case according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the water-cooled plate according to the present utility model;

fig. 3 is a schematic perspective view of a return pipe according to the present utility model.

Marked in the figure as: 1. a battery case; 2. a water cooling plate; 3. liquid-heated PTC; 4. a water pipe; 5. a humidity sensor; 7. a temperature sensor; 8. a water inlet joint; 9. a water outlet joint; 10. a wire; 11. a seal ring; 21. a plate body; 22. sealing the cavity; 23. a first connector; 24. a second connector; 25. a return pipe; 26. a first tube head; 27. a second tube head; 28. a third tube head; 29. and a fourth tube head.

Detailed Description

The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Embodiment one:

as shown in fig. 1 and 2, a battery pack for integrated heat and cold management, comprising: the battery comprises a battery shell 1, wherein a plurality of water cooling plates 2 which are arranged in a coplanar manner are arranged in the battery shell 1, and batteries are positioned between the water cooling plates 2; the inside one end of battery case 1 is through bolt fixedly connected with hydrothermal PTC3, the tip of hydrothermal PTC3 peripheral both sides is all through bolt fixedly connected with water pipe 4, the inside one side that is close to hydrothermal PTC3 of battery case 1 is through bolt fixedly connected with humidity transducer 5, hydrothermal PTC3 one side is through bolt fixedly connected with temperature sensor 7.

Wherein, through a plurality of water-cooling plates 2 that are equipped with at the battery periphery in battery case 1, and drain outside water cooling source through the connected action of water pipe 4, thereby can realize water-cooling and heat transfer's heat preservation effect to the battery, make the battery can realize the control of adjusting temperature with the help of the regulation and control effect of hydrothermal PTC3 when the operation under the outside different temperature environment, monitor the temperature in the battery pack through temperature sensor 7, thereby ensure that the battery is in suitable operating condition, cooperation humidity transducer 5 can real-time monitoring the humidity in the battery case 1 simultaneously, in case leak, can in time remind the maintenance personnel to maintain, thereby ensure that the effect that causes the potential safety hazard because of the weeping can not appear in the cold and hot management system of integral type.

The battery shell 1 is characterized in that a water inlet connector 8 and a water outlet connector 9 are fixedly inserted into the positions, close to two ends, of one side of the periphery of the battery shell 1, the ends of the two groups of water pipes 4 are respectively connected with the water inlet connector 8 and the water outlet connector 9, and the hydrothermal PTC3 is respectively connected with the water inlet connector 8 and the water outlet connector 9 through the water pipes 4.

Wherein, through hydrothermal PTC3 can pass through water pipe 4 guide water circulation transfer heat to play and carry out the heat retaining effect to the battery.

The sealing ring 11 is fixedly connected between the contact surface of the water inlet connector 8 and the battery shell 1 and the contact surface of the water outlet connector 9 and the battery shell 1 through bolts, no leakage risk can be guaranteed through the sealing ring 11, safety is improved, one end of the liquid heat PTC3 is fixedly connected with a wire 10 through bolts, one end of the wire 10 penetrates through the battery shell 1, and the PTC can be connected into a battery system through the wire 10, so that the installation, debugging, control and use are facilitated.

Embodiment two:

as shown in fig. 1, 2 and 3, a battery pack for integrated heat and cold management includes: the battery case 1, battery case 1 inside is provided with a plurality of water-cooling boards 2 that coplanarly arranged, water-cooling board 2 still includes: the plate body 21, sealed chamber 22 has been seted up to the inside of plate body 21, sealed chamber 22 is inside to be connected with return pipe 25 through the bolt fixedly, and return pipe 25 in two adjacent plate bodies 21 communicates with each other, the peripheral one side of plate body 21 is through bolt fixedly connected with first connector 23, the peripheral opposite side of plate body 21 is through bolt fixedly connected with second connector 24, the axis of first connector 23 is the perpendicular arrangement with the position of the axis of second connector 24.

Wherein, through being equipped with back-shaped pipe 25 in the sealed chamber 22 in water-cooling plate 2 can increase the circulation capacity of water to further promote the cold and hot regulation effect of water-cooling plate 2, simultaneously through the first connector 23 and the second connector 24 that are equipped with at plate body 21 periphery, can realize the concatenation combination effect of a plurality of water-cooling plates 2, can implement the adjustment equipment according to the size of battery.

The periphery of the return pipe 25 is fixedly connected with a first pipe head 26, a second pipe head 27, a third pipe head 28 and a fourth pipe head 29 which are communicated with each other through bolts, the first connector 23 is used for connecting the adjacent first pipe head 26 and second pipe head 27, and the second connector 24 is used for connecting the adjacent third pipe head 28 and fourth pipe head 29.

The first connector 23 and the second connector 24 can connect and combine the first tube head 26, the second tube head 27, the third tube head 28 and the fourth tube head 29 at adjacent positions in a horizontal arrangement mode, so that the effect of convenient disassembly and assembly is achieved.

Working principle: the battery in the battery casing 1 is equipped with a plurality of water-cooling plates 2 through the battery periphery during the use to drain outside water cooling source through the connected action of water pipe 4, thereby can realize water-cooling and heat transfer's heat preservation effect to the battery, can realize temperature control with the help of the regulation and control effect of hydrothermal PTC3 when the battery is operated under the outside different temperature environment, monitor the temperature in the battery module through temperature sensor 7, thereby ensure that the battery is in suitable operating condition, cooperation humidity transducer 5 can real-time monitoring the humidity in the battery casing 1 simultaneously, in case leak, can in time remind the maintenance personnel to maintain, thereby ensure that the effect that causes the potential safety hazard because of leaking liquid can not appear in integrative cold and hot management system, can guide the water circulation transfer heat through water pipe 4, thereby play the effect of keeping warm to the battery, through the sealing washer 11 that is equipped with, can ensure no weeping risk, promote the security, through wire 10, can insert the battery system with PTC, thereby be convenient for install debugging control use.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.

The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. A battery assembly for integrated cold and heat management, comprising: the battery comprises a battery shell (1), wherein a plurality of water cooling plates (2) which are arranged in a coplanar manner are arranged in the battery shell (1), and batteries are positioned between the water cooling plates (2); the method is characterized in that:

the battery pack comprises a battery shell (1), wherein one end of the inner side of the battery shell is fixedly connected with a liquid heat PTC (3), the end parts of two sides of the periphery of the liquid heat PTC (3) are fixedly connected with water pipes (4), one side, close to the liquid heat PTC (3), of the inner side of the battery shell (1) is fixedly connected with a humidity sensor (5), and one side of the liquid heat PTC (3) is fixedly connected with a temperature sensor (7);

the battery shell (1) is characterized in that a water inlet connector (8) and a water outlet connector (9) are fixedly inserted at one side of the periphery of the battery shell, which is close to two ends, the ends of the two groups of water pipes (4) are connected with the water inlet connector (8) and the water outlet connector (9) respectively, and the liquid heat PTC (3) is connected with the water inlet connector (8) and the water outlet connector (9) respectively through the water pipes (4).

2. The battery assembly for integrated cold and heat management according to claim 1, wherein sealing rings (11) are fixedly connected between the contact surface of the water inlet connector (8) and the battery shell (1) and between the contact surface of the water outlet connector (9) and the battery shell (1).

3. The integrated cold and heat management battery assembly according to claim 1, wherein one end of the hydrothermal PTC (3) is fixedly connected with a lead (10), and one end of the lead (10) penetrates through the battery case (1).

4. The integrated cold and heat management battery assembly according to claim 1, wherein the water cooling plate (2) further comprises:

the plate body (21), sealed chamber (22) have been seted up to plate body (21) inside, sealed chamber (22) inside fixedly connected with return pipe (25), return pipe (25) in two adjacent plate bodies (21) communicate with each other.

5. The integrated cold and heat management battery pack according to claim 4, wherein a first connector (23) is fixedly connected to one side of the periphery of the plate body (21), and a second connector (24) is fixedly connected to the other side of the periphery of the plate body (21);

the periphery of the return pipe (25) is fixedly connected with a first pipe head (26), a second pipe head (27), a third pipe head (28) and a fourth pipe head (29) which are communicated with each other, the first connector (23) is used for connecting the adjacent first pipe head (26) and second pipe head (27), and the second connector (24) is used for connecting the adjacent third pipe head (28) and fourth pipe head (29).

6. The battery pack for integrated heat and cold management according to claim 5, wherein the central axis of the first connector (23) is arranged perpendicular to the central axis of the second connector (24).