CN220710582U - Acquisition device, battery and power utilization device - Google Patents

Abstract

The application discloses collection system, battery and power consumption device. The acquisition device comprises a bracket, a shell and a circuit board, wherein the bracket is used for being fixed on a box body of the battery box; the shell is arranged on the bracket, and at least part of the shell and the bracket are of an integrated structure; the circuit board is arranged in the shell. Because at least part of the shell and the bracket are integrally formed, the assembly time for assembling the shell and the bracket can be saved, the locking interface between parts is reduced, more design space is saved, and the difficulty of automatic assembly is reduced, so that the production efficiency of the battery is improved.

Description

Acquisition device, battery and power utilization device

Technical Field

The application relates to the technical field of batteries, in particular to a collecting device, a battery and an electricity utilization device.

Background

In recent years, with the rapid development of new energy technology, new energy automobiles are increasingly widely applied and gradually replace traditional fuel automobiles, and become one of the mainstream transportation means. The power battery is used as a power source of the new energy automobile and is one of core equipment of the new energy automobile.

At present, how to improve the production efficiency of the battery becomes a problem to be solved.

Disclosure of Invention

The embodiment of the application provides a collection device, a battery and an electricity utilization device, which can improve the production efficiency of the battery.

In a first aspect, an embodiment of the present application provides an acquisition device, including a bracket, a housing, and a circuit board, where the bracket is fixed to a case body of a battery case; the shell is arranged on the bracket, and at least part of the shell and the bracket are of an integrated structure; the circuit board is arranged in the shell.

In the scheme, at least part of the shell and the bracket are integrally formed, so that the assembly time for assembling the shell and the bracket can be saved, the locking interface between parts is reduced, more design space is saved, the difficulty of automatic assembly is reduced, and the production efficiency of the battery is improved.

In some embodiments, the bracket includes a support portion and a fixing portion, the housing being disposed on the support portion; the fixing part is bent from the supporting part and is used for being fixed on the box body of the battery box.

In the above scheme, because the fixing part is bent from the supporting part, the strength of the bracket can be increased, and the stability of the acquisition device is improved.

In some embodiments, the number of the fixing portions is at least two, and the at least two fixing portions are respectively located on different sides of the supporting portion, so that stability of the bracket can be further improved.

In some embodiments, the fixing portion includes an extension section and a flange, the extension section being bent from the support portion along the first direction; the flanging is bent and arranged along the second direction from the extension section and is used for being fixed on the box body of the battery box; wherein the first direction and the second direction are arranged in an intersecting manner.

In the above scheme, the connection strength between the bracket and the box body of the battery box can be improved through the flanging, so that the stability of the acquisition device is further improved.

In some embodiments, the support further comprises a protruding portion protruding from the supporting portion, the protruding portion is used for being fixed to the box body of the battery box, the connection strength between other positions of the support and the box body can be improved, and the support is prevented from being damaged in the process of transportation or use.

In some embodiments, the shell comprises a shell body and an upper cover, wherein the shell body is arranged on the bracket, and the shell body and the bracket are in an integrated structure; the upper cover covers the shell body to form a containing cavity, and the circuit board is contained in the containing cavity.

In the scheme, through the cooperation assembly of upper cover and shell body, can form the chamber that holds that is used for holding the circuit board, can protect the circuit board, prevent that the circuit board from being knocked into and damaged.

In some embodiments, the housing is an integral piece, the housing being provided with an opening into which the circuit board is inserted.

In the scheme, the whole shell and the bracket are integrated into a whole, so that the integration level of the acquisition device is further improved.

In some embodiments, the inner wall of the housing is provided with a chute extending from the opening to the interior of the housing, and the edge of the circuit board is clamped in the chute.

In the scheme, the arrangement of the sliding groove is convenient for the installation of the circuit board, and the assembly efficiency can be further improved.

In some embodiments, the number of the shells is two, and the two shells are respectively located on two sides of the support which are oppositely arranged.

In the above scheme, the acquisition device can be used for carrying out information on more battery modules, so that the design quantity of the acquisition device is reduced, the space is saved, and the cost is reduced.

In a second aspect, embodiments of the present application provide a battery including a collecting device according to any one of the embodiments described above.

In a third aspect, an embodiment of the present application provides an electrical device, including a battery according to any one of the foregoing embodiments, where the battery is configured to provide electrical energy.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of a vehicle according to some embodiments of the present application;

FIG. 2 is an exploded view of a battery according to some embodiments of the present application;

fig. 3 is a schematic structural view of a battery module according to some embodiments of the present application;

fig. 4 is a schematic exploded view of a battery cell according to some embodiments of the present application;

FIG. 5 is a schematic view of a portion of a structure of a collection device according to some embodiments of the present application;

FIG. 6 is a schematic structural view of a collection device according to further embodiments of the present application;

FIG. 7 is a schematic view of a portion of a structure of a collection device according to some embodiments of the present application;

FIG. 8 is a schematic structural view of a collection device according to further embodiments of the present application;

fig. 9 is a schematic structural view of a housing of a collection device according to some embodiments of the present application.

The reference numerals are as follows:

1000. a vehicle; 100. a battery; 200. a controller; 300. a motor; 10. a cover body; 30. a case; 400. a battery module; 20. a battery cell; 22. a housing; 21. an end cap; 26. an electrode terminal; 23. an electrode assembly; 31. a receiving chamber; 500. a collection device; 40. a bracket; 41. a support part; 42. a fixing part; 421. an extension section; 422. flanging; 43. a protruding portion; 50. a housing; 51. a housing body; 53. an opening; 54. a chute; 60. a circuit board; x, a first direction; y, second direction; z, third direction.

Detailed Description

Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the present application and are not intended to limit the scope of the application, i.e., the application is not limited to the embodiments described.

In the description of the present application, it is to be noted that, unless otherwise indicated, the meaning of "plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like indicate an orientation or positional relationship merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly understand that the embodiments described herein may be combined with other embodiments.

The directional terms appearing in the following description are all directions shown in the drawings and do not limit the specific structure of the present application. In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present application can be understood as appropriate by one of ordinary skill in the art.

In the present application, the battery cells may include lithium ion secondary battery cells, lithium ion primary battery cells, lithium sulfur battery cells, sodium lithium ion battery cells, sodium ion battery cells, or magnesium ion battery cells, and the embodiment of the present application is not limited thereto. The battery cells may be cylindrical, flat, rectangular, or otherwise shaped, as well as the embodiments herein are not limited in this regard. The battery cells are generally classified into three types according to the packaging method: the cylindrical battery cell, the square battery cell and the soft package battery cell are not limited thereto.

Reference to a battery in embodiments of the present application refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. For example, the battery referred to in the present application may include a battery module or a battery pack, or the like. The battery generally includes a case for enclosing one or more battery cells. The case body can prevent liquid or other foreign matters from affecting the charge or discharge of the battery cells.

The battery cell comprises an electrode assembly and electrolyte, wherein the electrode assembly consists of a positive plate, a negative plate and a separation membrane. The battery cell mainly relies on metal ions to move between the positive and negative electrode plates to operate. The positive plate comprises a positive electrode current collector and a positive electrode active material layer, wherein the positive electrode active material layer is coated on the surface of the positive electrode current collector, the current collector without the positive electrode active material layer protrudes out of the current collector coated with the positive electrode active material layer, and the current collector without the positive electrode active material layer is laminated to serve as a positive electrode lug. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate or the like. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active material layer, wherein the negative electrode active material layer is coated on the surface of the negative electrode current collector, the current collector without the negative electrode active material layer protrudes out of the current collector coated with the negative electrode active material layer, and the current collector without the negative electrode active material layer is laminated to serve as a negative electrode tab. The material of the negative electrode current collector may be copper, and the negative electrode active material may be carbon, silicon, or the like. The material of the separator may be PP (polypropylene) or PE (polyethylene). In addition, the electrode assembly may be a wound structure or a lamination structure, and the embodiment of the present application is not limited thereto.

The battery cell disclosed by the embodiment of the application can be used in electric devices such as vehicles, ships or aircrafts, but is not limited to the electric devices. The power supply system with the battery cells, batteries and the like disclosed by the application can be used for forming the power utilization device, so that the stability of the battery performance and the service life of the battery are improved.

Currently, the circuit board of the acquisition device is used to monitor the state and performance parameters of the battery cells, such as voltage, temperature, current, etc. This information is critical to safe operation and optimal management of the battery. The collecting device transmits the collected information data to a battery management unit (Battery Management System, BMS) which monitors, controls and protects the battery according to the information. They can monitor the health of the battery, identify abnormal conditions (e.g., overcharge, overdischarge, overtemperature, etc.), and take appropriate action to ensure the safety and performance of the battery. In the related art, each part of the acquisition device is separately and independently arranged, for example, a shell for accommodating a circuit board and a bracket for fixing are independent parts, multiple assembly is needed, the production efficiency is affected, multiple independent parts need to occupy more design space, and the locking interfaces among the parts are more, so that the difficulty of automatic assembly is increased.

In order to solve the technical problem, the application provides a collecting device. The acquisition device comprises a bracket, a shell and a circuit board, wherein the bracket is used for being fixed on a box body of the battery box; the shell is arranged on the bracket, and at least part of the shell and the bracket are of an integrated structure; the circuit board is arranged in the shell. In the scheme, at least part of the shell is integrally formed with the bracket, so that the assembly time for assembling the shell and the bracket is not required, the locking interface between parts is reduced, more design space is saved, and the difficulty of automatic assembly is reduced, thereby improving the production efficiency of the battery.

The embodiment of the application provides an electricity utilization device using a battery as a power supply, wherein the electricity utilization device can be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft and the like. Among them, the electric toy may include fixed or mobile electric toys, such as game machines, electric car toys, electric ship toys, electric plane toys, and the like, and the spacecraft may include planes, rockets, space planes, and spacecraft, and the like.

For convenience of description, the following embodiment will take an electric device according to an embodiment of the present application as an example of the vehicle 1000.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the present application. The vehicle 1000 may be a fuel oil vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or a range-extended vehicle. The battery 100 is provided in the interior of the vehicle 1000, and the battery 100 may be provided at the bottom or the head or the tail of the vehicle 1000. The battery 100 may be used for power supply of the vehicle 1000, for example, the battery 100 may be used as an operating power source of the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, the controller 200 being configured to control the battery 100 to power the motor 300, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 1000.

In some embodiments of the present application, battery 100 may not only serve as an operating power source for vehicle 1000, but may also serve as a driving power source for vehicle 1000, instead of or in part instead of fuel oil or natural gas, to provide driving power for vehicle 1000.

Referring to fig. 2, fig. 2 is an exploded view of a battery 100 according to some embodiments of the present application. The battery 100 includes a battery case and a battery cell 20. In some embodiments, the battery case may include a cover 10 and a case 30, the cover 10 and the case 30 being covered with each other, the cover 10 and the case 30 together defining a receiving chamber for receiving the battery cell 20. The case 30 may have a hollow structure with one end opened, the cover 10 may have a plate-shaped structure, and the cover 10 covers the opening side of the case 30, so that the cover 10 and the case 30 together define a receiving cavity; the cover 10 and the case 30 may be hollow structures with one side open, and the open side of the cover 10 may be closed to the open side of the case 30. Of course, the battery case formed by the cover 10 and the case 30 may be of various shapes, such as a cylinder, a rectangular parallelepiped, etc.

Fig. 3 is a schematic structural view of a battery module according to some embodiments of the present application. In the battery 100, the plurality of battery cells 20 may be connected in series, parallel or a series-parallel connection, wherein the series-parallel connection refers to that the plurality of battery cells 20 are connected in series or parallel. The plurality of battery cells 20 can be directly connected in series or in parallel or in series-parallel, and then the whole formed by the plurality of battery cells 20 is accommodated in the box body; of course, the battery 100 may also be a battery module formed by connecting a plurality of battery cells 20 in series or parallel or series-parallel connection, and a plurality of battery modules are then connected in series or parallel or series-parallel connection to form a whole and are accommodated in a case. The battery 100 may further include other structures, for example, the battery 100 may further include a bus member for making electrical connection between the plurality of battery cells 20.

Wherein each battery cell 20 may be a secondary battery cell or a primary battery cell; but not limited to, lithium sulfur battery cells, sodium ion battery cells, or magnesium ion battery cells. The battery cell 20 may be in the shape of a cylinder, a flat body, a rectangular parallelepiped, or other shapes, etc.

Referring to fig. 4, fig. 4 is an exploded view of a battery cell 20 according to some embodiments of the present disclosure. The battery cell 20 refers to the smallest unit constituting the battery. As shown in fig. 4, the battery cell 20 includes an end cap 21, a case 22, an electrode assembly 23, and other functional components.

The end cap 21 refers to a member that is covered at the opening of the case 22 to isolate the internal environment of the battery cell 20 from the external environment. Without limitation, the shape of the end cap 21 may be adapted to the shape of the housing 22 to fit the housing 22. Optionally, the end cover 21 may be made of a material (such as an aluminum alloy) with a certain hardness and strength, so that the end cover 21 is not easy to deform when being extruded and collided, so that the battery cell 20 can have higher structural strength, and the safety performance can be improved. The end cap 21 may be provided with functional parts such as electrode terminals 26. The electrode terminals 26 may be used to be electrically connected with the electrode assembly 23 for outputting or inputting electric power of the battery cell 20. In some embodiments, the end cap 21 may also be provided with a pressure relief mechanism for relieving the internal pressure when the internal pressure or temperature of the battery cell 20 reaches a threshold. The material of the end cap 21 may be various, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which is not particularly limited in the embodiment of the present application. In some embodiments, insulation may also be provided on the inside of the end cap 21, which may be used to isolate electrical connection components within the housing 22 from the end cap 21 to reduce the risk of short circuits. By way of example, the insulation may be plastic, rubber, or the like.

The case 22 is an assembly for cooperating with the end cap 21 to form an internal environment of the battery cell 20, which may be used to house the electrode assembly 23, electrolyte, and other components. The housing 22 and the end cap 21 may be separate components, and an opening may be provided in the housing 22, and the interior of the battery cell 20 may be formed by covering the opening with the end cap 21 at the opening. In some examples, the housing 22 is a hollow structure with one side open, and the end cap 21 is one and covers the opening of the housing 22. In other examples, the housing 22 is a hollow structure with two openings on two sides, and two end caps 21 are respectively covered on the two openings of the housing 22. It is also possible to integrate the end cap 21 and the housing 22, but specifically, the end cap 21 and the housing 22 may form a common connection surface before other components are put into the housing, and when it is necessary to encapsulate the inside of the housing 22, the end cap 21 is then put into place with the housing 22. The housing 22 may be of various shapes and sizes, such as rectangular parallelepiped, cylindrical, hexagonal prism, etc. Specifically, the shape of the case 22 may be determined according to the specific shape and size of the electrode assembly 23. The material of the housing 22 may be various, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which is not particularly limited in this embodiment.

The electrode assembly 23 is a component in which electrochemical reactions occur in the battery cell 20. One or more electrode assemblies 23 may be contained within the housing 22. The electrode assembly 23 is mainly formed by winding or stacking a positive electrode sheet and a negative electrode sheet, and a separator is generally provided between the positive electrode sheet and the negative electrode sheet. The portions of the positive and negative electrode sheets having active material constitute the main body of the electrode assembly 23, and the portions of the positive and negative electrode sheets having no active material constitute the tabs, respectively. The positive electrode tab and the negative electrode tab can be located at one end of the main body together or located at two ends of the main body respectively. During charge and discharge of the battery, the positive electrode active material and the negative electrode active material react with the electrolyte, and the tab is connected to the electrode terminal 26 to form a current loop.

FIG. 5 is a schematic view of a portion of a structure of a collection device according to some embodiments of the present application; fig. 6 is a schematic structural diagram of a collection device according to other embodiments of the present application. Referring to fig. 5 and 6 in combination, in a first aspect, an embodiment of the present application provides a collecting device 500, including a bracket 40, a housing 50 and a circuit board 60, where the bracket 40 is used for being fixed to a case 30 of a battery case; the housing 50 is disposed on the support 40, and at least part of the housing 50 and the support 40 are in an integrally formed structure; the circuit board 60 is disposed within the housing 50.

The bracket 40 may be coupled to the case 30 of the battery case by means of bolts, snaps, or the like. At least a portion of the housing 50 is integrally formed with the bracket 40, i.e., formed by a one-shot molding process. The housing 50 includes a housing body 51 and an upper cover (not shown) covering the housing body 51, and the housing body 51 and the bracket 40 are integrally formed, i.e. the housing body 51 and the bracket 40 are integrated, and when the collecting device 500 is assembled, only the upper cover (not shown) and the housing body 51 need to be assembled. Or the entire housing 50 is integrally formed with the bracket 40, i.e., the entire housing 50 is integrally formed with the bracket 40.

The circuit board 60 may be mounted in the housing 50 by bolts, snaps, adhesive, or the like. The circuit board 60 is connected to the battery cells 20 through electrical connection to obtain parameter information such as voltage and current of the battery 100. The circuit board 60 may also be electrically connected with a temperature sensor to monitor the temperature of the battery 100. The circuit board 60 may also be electrically connected with a current sensor to monitor the charge and discharge current of the battery 100. Alternatively, the circuit board 60 may also be electrically connected to a voltage sensor to monitor the voltage of the battery 100. The circuit board 60 is also electrically connected with a communication interface to enable data transmission with a management unit (BMS) of the battery 100. This may include a serial communication interface such as CAN (Controller Area Network), RS485, I2C (Inter-Integrated Circuit), etc., or a wireless communication interface such as bluetooth, wi-Fi, etc.

In the above-mentioned scheme, because at least part of the casing 50 and the bracket 40 are integrally formed, the assembly time for assembling the casing 50 and the bracket 40 can be saved, the locking interface between the parts is reduced, more design space is saved, and the difficulty of automatic assembly is reduced, thereby improving the production efficiency of the battery 100.

Fig. 7 is a schematic view of a part of a structure of a collecting device according to some embodiments of the present application. As shown in fig. 7, in some embodiments, the bracket 40 includes a supporting portion 41 and a fixing portion 42, and the housing 50 is disposed at the supporting portion 41; the fixing portion 42 is bent from the supporting portion 41, and the fixing portion 42 is fixed to the case 30 of the battery case.

The supporting portion 41 may extend along a second direction Y, and the fixing portion 42 is bent and disposed along a first direction X relative to the supporting portion 41, where the first direction X and the second direction Y intersect. The housing 50 may be disposed on a side of the support portion 41 facing away from the fixing portion 42, may be disposed on a side of the support portion 41 adjacent to the fixing portion 42, or may be disposed on both a side of the support portion 41 facing away from the fixing portion 42 and a side adjacent to the fixing portion 42. The fixing portion 42 may be coupled to the case 30 of the battery case by means of bolts, snaps, or the like.

In the above-mentioned scheme, since the fixing portion 42 is bent from the supporting portion 41, the strength of the bracket 40 can be increased, thereby improving the stability of the collecting device 500.

In some embodiments, the number of the fixing portions 42 is at least two, and the at least two fixing portions 42 are respectively located at different sides of the supporting portion 41.

For example, the number of the fixing portions 42 is two, the two fixing portions 42 are respectively disposed on two sides of the supporting portion 41 opposite to each other along the first direction X, and the fixing portion 42 and the supporting portion 41 enclose to form a containing space, and the containing space can be used as a yielding space for avoiding other parts.

The number of the fixing portions 42 may also be three or four to be provided on different sides of the supporting portion 41, respectively.

In the above-described embodiment, the fixing portions 42 are provided on different sides of the supporting portion 41, so that the stability of the bracket 40 can be further improved.

Alternatively, a plurality of spaced fixing portions 42 may be provided on the same side of the supporting portion 41 to increase the stability of the side.

In some embodiments, the fixing portion 42 includes an extension 421 and a flange 422, where the extension 421 is bent from the supporting portion 41 along the first direction X; the flange 422 is bent from the extension section 421 along the second direction Y, and the flange 422 is fixed to the case 30 of the battery case; wherein the first direction X and the second direction Y are arranged in an intersecting manner.

The width of the extension 421 is the same as the width of the support 41, or the width of the extension 421 may be smaller than the width of the support 41. The possible connection between the extension 421 and the support 41 may be provided with a chamfer to reduce stress concentration and thus reduce the risk of fatigue and fracture at that location. Screw holes, positioning holes, or the like may be formed in the support portion 41 to fix the support portion 41 to the case 30 of the battery case or other external components.

Screw holes can be formed in the flange 422, and the flange 422 is connected to the box body 30 of the battery box through bolts. Or the flange 422 can be directly welded with the box 30, or can be connected with the box 30 by clamping or the like.

In the above scheme, the connection strength between the bracket 40 and the box body 30 of the battery box can be improved by the arrangement of the flange 422, so that the stability of the collecting device 500 is further improved.

In some embodiments, the bracket 40 further includes a protrusion 43, where the protrusion 43 protrudes with respect to the support 41, and the protrusion 43 is used to be fixed to the case 30 of the battery case.

The protruding portion 43 is disposed at an edge of the supporting portion 41, and a threaded hole, a positioning hole, etc. may be formed in the protruding portion 43 to fix the protruding portion 43. The protruding portion 43 may be provided at a distance from the fixing portion 42, for example, the protruding portion 43 is provided at an intermediate position of the supporting portion 41.

The above-mentioned scheme can improve the joint strength of support 40 and box 30 in other positions, prevents support 40 from damaging in transportation or use.

In some embodiments, the housing 50 includes a housing body 51 and an upper cover (not shown), the housing body 51 is disposed on the support 40, and the housing body 51 and the support 40 are integrally formed; an upper cover (not shown) is covered on the case body 51 to form a receiving cavity in which the circuit board 60 is received.

That is, the housing 50 is divided into two separate parts: the housing body 51 and the upper cover (not shown) can be combined to form the accommodating chamber by combining the housing body 51 and the upper cover (not shown). When assembling the circuit board 60, the circuit board 60 may be first placed on the case body 51, the circuit board 60 is fixed to the case body 51, and then an upper cover (not shown) is fastened to the case body 51. Wherein, the shell body 51 and the upper cover (not shown) can be connected by means of bolts, buckles, etc.

In the above-mentioned scheme, through the cooperation assembly of upper cover (not shown) and shell body 51, can form the chamber that holds that is used for holding circuit board 60, can protect circuit board 60, prevent circuit board 60 from being knocked into the damage.

Fig. 8 is a schematic structural diagram of a collection device according to other embodiments of the present application. As shown in fig. 8, in some embodiments, the housing 50 is an integral piece, and the housing 50 is provided with an opening 53 into which the circuit board 60 is inserted.

The case 50 may have a hollow structure in which an accommodating space for accommodating the circuit board 60 is formed, and an opening 53 is provided at one side of the case 50, the opening 53 communicating with the accommodating space. The whole housing 50 and the bracket 40 are integrally formed, i.e. the whole housing 50 and the bracket 40 are integrated into a whole, the housing body 51 and an upper cover (not shown) are not required to be assembled, and the circuit board 60 is only required to be inserted into the housing 50 through the opening 53 when the circuit board 60 is mounted.

In the above scheme, the whole housing 50 is integrated with the bracket 40, so that the integration level of the collecting device 500 is further improved.

Fig. 9 is a schematic structural view of a housing of a collection device according to some embodiments of the present application. As shown in fig. 9, in some embodiments, the inner wall of the housing 50 is provided with a chute 54, the chute 54 extending from the opening 53 toward the interior of the housing 50, and the edge of the circuit board 60 being caught in the chute 54.

The sliding groove 54 extends along a third direction Z, one end of which is close to the opening 53, and the other end of which is far from the opening 53, and the third direction Z is disposed to intersect with the first direction X and the second direction Y, respectively. A chute 54 may be provided on opposite sides of the housing 50 in the first direction X. When the circuit board 60 is mounted, the circuit board 60 is simply inserted into the housing 50 along the chute 54 through the opening 53. The dimensions of the chute 54 may be matched to the dimensions of the circuit board 60, for example, the thickness of the chute 54 in the second direction Y is slightly greater than the thickness of the circuit board 60 so that the edge of the circuit board 60 can be snapped into the chute 54 without affecting the sliding of the circuit board 60 along the chute 54.

In the above-mentioned scheme, the arrangement of the chute 54 is convenient for the installation of the circuit board 60, and can further improve the assembly efficiency.

In some embodiments, the number of the housings 50 is two, and the two housings 50 are respectively located on two opposite sides of the support 40.

One circuit board 60 may have a plurality of ports for electrically connecting with a plurality of battery modules 400 or a plurality of battery cells 20, respectively. Each case 50 may house one circuit board 60 or a plurality of circuit boards 60, and two cases 50 may increase the number of circuit boards 60 of the collecting device 500 to be electrically connected with more battery modules 400 or battery cells 20. Illustratively, one housing 50 is provided on one side of the support portion 41 of the stand 40 and one housing 50 is also provided on the opposite side of the support portion 41 of the stand 40.

In the above scheme, the acquisition device 500 can be used for information of more battery modules 400, so that the design number of the acquisition device 500 is reduced, the space is saved, and the cost is reduced.

In a second aspect, the present embodiments provide a battery 100 including a harvesting device 500 of any of the above embodiments.

In a third aspect, an embodiment of the present application provides an electrical device, including a battery 100 according to any one of the embodiments described above, where the battery 100 is configured to provide electrical energy.

According to some embodiments of the present application, there is provided a collection device 500 including a bracket 40, a housing 50, and a circuit board 60, the bracket 40 being for fixing to a case 30 of a battery case; the housing 50 is disposed on the support 40, and at least part of the housing 50 and the support 40 are in an integrally formed structure; the circuit board 60 is disposed within the housing 50. The bracket 40 includes a supporting portion 41 and a fixing portion 42, and the housing 50 is provided to the supporting portion 41; the fixing portion 42 is bent from the supporting portion 41, and the fixing portion 42 is fixed to the case 30 of the battery case.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and are intended to be included within the scope of the claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (11)

1. An acquisition device, comprising:

the bracket is used for being fixed on the box body of the battery box;

the shell is arranged on the bracket, and at least part of the shell and the bracket are of an integrated structure;

the circuit board is arranged in the shell.

2. The acquisition device of claim 1, wherein the support comprises:

a support portion, the housing being provided to the support portion;

and the fixing part is bent from the supporting part and is used for being fixed on the box body of the battery box.

3. The collecting device according to claim 2, wherein the number of the fixing portions is at least two, and at least two of the fixing portions are respectively located on different sides of the supporting portion.

4. A collection device according to claim 3, wherein the fixing portion comprises:

the extension section is bent and arranged along a first direction from the supporting part;

the flanging is bent and arranged along the second direction from the extension section and is used for being fixed on the box body of the battery box;

wherein the first direction and the second direction are arranged in an intersecting manner.

5. The collection device of claim 2, wherein the bracket further comprises a protrusion protruding from the support, the protrusion being configured to be secured to a housing of the battery case.

6. The collection device of claim 1, wherein the housing comprises:

the shell body is arranged on the bracket, and the shell body and the bracket are of an integrated structure;

and the upper cover is covered on the shell body to form an accommodating cavity, and the circuit board is accommodated in the accommodating cavity.

7. The collection device of claim 1, wherein the housing is an integral piece, the housing being provided with an opening into which the circuit board is inserted.

8. The collection device of claim 7, wherein a chute is provided in an inner wall of the housing, the chute extending from the opening to an interior of the housing, and wherein an edge of the circuit board is captured in the chute.

9. The collection device of claim 1, wherein the number of the housings is two, and the two housings are respectively located at two opposite sides of the bracket.

10. A battery comprising a harvesting device according to any one of claims 1-9.

11. An electrical device comprising a battery according to claim 10 for providing electrical energy.