Integrated busbar temperature sensor capable of being installed in portable mode and integrated busbar

Abstract

The utility model provides a portable installation integrated busbar temperature sensor, which comprises a packaging shell, a temperature sensing resistor and a wire, one end of the wire is connected with the temperature sensing resistor, the packaging shell is provided with a cavity for accommodating the temperature sensing resistor, the temperature sensing resistor is packaged in the cavity, the other end of the wire extends out of the packaging shell, and the temperature sensing resistor is connected with the packaging shell. The packaging shell is provided with a clamping groove which is clamped with a protruding strip on the integrated busbar in a matched mode, and the outer side wall of the packaging shell is provided with a fixing structure which can be pressed in an outward protruding mode. The integrated busbar temperature sensor capable of being installed in a portable mode is connected with the integrated busbar in a clamping mode, a fixing structure capable of being pressed and fixed is designed on the packaging shell, installation reliability is high, installation and disassembly are simple and convenient, and the temperature sensor is not prone to being damaged. The utility model also provides an integrated busbar.

Description

Technical Field

[0001] The utility model relates to the field of NTC temperature sensors, in particular to a portable integrated busbar temperature sensor and an integrated busbar. Background Art

[0002] With the development of new energy technology, new energy technology is widely used. As an important component of new energy technology, battery packs have become an important issue in ensuring the safety of battery packs during use. In the prior art, integrated busbar (cells contact system, referred to as CCS) components are generally used to collect the voltage and temperature of the battery, and the collected voltage and temperature information is sent to the battery monitoring unit to detect the voltage and temperature of the battery and reduce the possibility of battery fire.

[0003] The integrated busbar needs to be equipped with a temperature sensor, but the existing temperature sensor installation method is relatively complicated, and most of them are fixed with glue and screws. It is very troublesome to remove the temperature sensor, and it is easy to damage the temperature sensor.

[0004] Therefore, it is necessary to design a new portable integrated busbar temperature sensor to overcome the above problems. Utility Model Content

[0005] The purpose of the utility model is to overcome the defects of the prior art and provide a portable integrated busbar temperature sensor and an integrated busbar. The utility model at least solves some of the problems in the prior art.

[0006] The utility model is achieved in this way:

[0007] The utility model provides a portable integrated busbar temperature sensor, comprising a packaging shell, a temperature-sensitive resistor, and a wire, one end of the wire is connected to the temperature-sensitive resistor, the packaging shell is provided with a cavity for accommodating the temperature-sensitive resistor, the temperature-sensitive resistor is packaged in the cavity, the other end of the wire extends out of the packaging shell, the packaging shell is provided with a clamping groove that is clamped with a convex strip on the integrated busbar, and a fixed structure that can be pressed is protruding outward from the outer wall of the packaging shell.

[0008] Furthermore, the clamping groove and the fixing structure both extend along the length direction of the packaging shell.

[0009] Furthermore, the clamping groove and the fixing structure are respectively located on two opposite outer side walls of the packaging shell.

[0010] Furthermore, the fixing structure is a fixing plate protruding outwardly from the outer side wall of the packaging shell.

[0011] Furthermore, a snap-fit ​​structure cooperating with a convex strip on the integrated busbar is provided at one end of the snap-fit ​​groove away from the packaging shell.

[0012] Furthermore, the packaging shell is an injection-molded packaging shell.

[0013] Furthermore, the cavity is a square cavity, and the square cavity is located between the clamping groove and the fixing structure.

[0014] Furthermore, the temperature sensing resistor is encapsulated by epoxy resin to form a temperature sensing resistor encapsulated resin head, and the temperature sensing resistor encapsulated resin head is encapsulated in the cavity.

[0015] Furthermore, the cavity is filled with epoxy resin potting glue.

[0016] The utility model also provides an integrated busbar, including an integrated busbar body, and also includes the above-mentioned portable installed integrated busbar temperature sensor, the integrated busbar body is provided with a convex strip for installing the temperature sensor, the temperature sensor is engaged with the convex strip through a snap-in groove, and the fixing structure is pressed and fixed on the integrated busbar body.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model provides a portable integrated busbar temperature sensor, which is connected to the integrated busbar by snap-fitting, and a fixing structure that can be pressed and fixed is designed on the packaging shell. It has high installation reliability, is simple and convenient to install and disassemble, and is not easy to damage the temperature sensor.

[0019] 2. In the present invention, the packaging shell is an injection molding structure, which greatly improves the insulation and withstand voltage performance of the temperature sensor, making the temperature sensor have better performance.

[0020] 3. The cost of injection molded packaging shell is lower than that of metal packaging shell, and the thermistor is not easy to slip inside the plastic packaging shell, because the inner wall of the metal packaging shell is relatively smooth, while the inner wall of the injection molded packaging shell is rougher than that of the metal packaging shell, and the epoxy resin used for potting is more tightly combined with the inner wall of the injection molded packaging shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic diagram of a packaging shell provided by an embodiment of the utility model;

[0023] Figure 2 The embodiment of the utility model provides Figure 1 A top view of

[0024] Figure 3 The embodiment of the utility model provides Figure 1 Left view of

[0025] Figure 4 A schematic diagram of a thermistor and a wire after welding provided by an embodiment of the utility model;

[0026] Figure 5 A schematic diagram of a thermistor encapsulation resin head formed by encapsulating the thermistor provided in an embodiment of the utility model with epoxy resin;

[0027] Figure 6 A partial cross-sectional view of a portable integrated busbar temperature sensor provided by an embodiment of the utility model at a packaging shell;

[0028] Figure 7 The embodiment of the utility model provides Figure 6 Enlarged image on the left.

[0029] In the figure: a packaging shell 1, a thermistor 2, a wire 3, a thermistor encapsulation resin head 4, a square cavity 5, a snap-fit ​​groove 6, a fixing structure 7, and a snap-fit ​​structure 8. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] like Figure 1-Figure 7The utility model provides a portable integrated busbar temperature sensor in the first embodiment, including a packaging shell 1, a temperature-sensitive resistor, and a wire 3. One end of the wire 3 is welded to the temperature-sensitive resistor. The packaging shell 1 is provided with a cavity for accommodating the temperature-sensitive resistor. The temperature-sensitive resistor is packaged in the cavity. The other end of the wire 3 extends out of the packaging shell 1. The other end of the wire 3 is electrically connected to an external connector or circuit board. The packaging shell 1 is provided with a snap-in groove 6 that is snap-fitted with a convex strip on the integrated busbar. The snap-in groove 6 slides along one end of the convex strip on the integrated busbar to the other end of the convex strip to realize temperature sensing. The installation of the device; the outer wall of the packaging shell 1 is protruding outwards and provided with a fixed structure 7 that can be pressed; the temperature sensor is installed by clamping the clamping groove 6. In order to ensure the firmness of the installation, after the temperature sensor has been clamped and installed, a pressing plate is used to press the fixed structure 7. When the temperature sensor needs to be removed, just remove the pressing plate and slide the clamping groove 6 away from the convex strip on the integrated busbar, so that the installation and removal of the temperature sensor are more convenient. The fixed structure 7 protrudes from the outer wall of the packaging shell 1, and the pressure of the external pressing plate on the fixed structure 7 will not affect the cavity part of the packaging shell 1, that is, it will not affect the thermistor 2 in the cavity. The structural form and installation method of the pressing plate are selected according to the actual needs of the user, as long as it plays the role of pressing the fixed structure 7.

[0032] The portable integrated busbar temperature sensor provided by the utility model is designed to have a snap-on structure on one side of the sensor package shell and a fixed structure on the other side, so that the temperature sensor does not need to be punched or glued during installation, and is easy to install. The utility model solves the problem that the integrated busbar temperature sensor is difficult to install and disassemble.

[0033] In this embodiment, the temperature sensing resistor is a thermistor 2, such as Figure 5 The thermistor 2 is encapsulated with epoxy resin to form a thermistor encapsulation resin head 4, which is encapsulated in the cavity of the packaging shell 1. The welding point between the thermistor 2 and the wire 3 is also located in the thermistor encapsulation resin head 4. The cavity of the packaging shell 1 is filled with epoxy resin potting glue.

[0034] In this embodiment, the packaging shell 1 is an injection-molded packaging shell; the packaging shell 1 is an injection-molded structure, which greatly improves the insulation and withstand voltage performance of the temperature sensor, making the temperature sensor have better performance.

[0035] The injection molded packaging shell is cheaper than the metal packaging shell, and the thermistor is not easy to slip inside the plastic packaging shell because the inner wall of the metal packaging shell is relatively smooth, while the inner wall of the injection molded packaging shell 1 is rougher than that of the metal packaging shell, and the epoxy resin used for potting is more tightly combined with the inner wall of the injection molded packaging shell 1.

[0036] In this embodiment, if Figure 1 The clamping groove 6 and the fixing structure 7 are respectively located on two opposite outer side walls of the packaging shell 1. The clamping groove 6 and the fixing structure 7 both extend along the length direction of the packaging shell 1.

[0037] In this embodiment, if Figure 1 The cavity is a square cavity 5 , and the square cavity 5 is located between the clamping groove 6 and the fixing structure 7 .

[0038] In this embodiment, if Figure 1 The fixing structure 7 is a fixing plate protruding outwardly from the outer wall of the packaging shell 1, and the fixing plate is pressed and fixed by an external pressing plate.

[0039] like Figure 1 The end of the snap-in groove away from the packaging shell 1 is provided with a snap-in structure 8 that cooperates with the convex strip on the integrated busbar; in the present embodiment, the snap-in structure 8 is a snap-in strip extending along the length direction of the packaging shell, and the snap-in strip is located on the inner wall of the snap-in groove 6, and the outer wall of the convex strip of the integrated busbar is provided with a snap-in structure that cooperates with the snap-in strip; in the present embodiment, two snap-in strips are provided on the inner wall of the snap-in groove 6, and the two snap-in strips are arranged opposite to each other.

[0040] Embodiment 2 of the utility model provides an integrated busbar, including an integrated busbar body, and also includes the above-mentioned portable integrated busbar temperature sensor, the integrated busbar body is provided with a convex strip for installing the temperature sensor, the temperature sensor is engaged with the convex strip through a snap-in groove 6, and the fixing structure 7 is pressed and fixed on the integrated busbar body.

[0041] The utility model provides a portable integrated busbar temperature sensor. By designing one side of the packaging shell 1 into a snap-on structure, the installation of the sensor is facilitated. A square cavity is designed on the packaging shell for packaging the NTC thermistor. A fixing structure 7 is designed on the other side of the packaging shell for fixing to prevent loosening. In addition, the packaging shell 1 is made of an injection molding structure, which can increase the pressure resistance and insulation capacity of the sensor and improve the insulation and pressure resistance performance of the temperature sensor. The entire temperature sensor is installed by snap-on fixing, which is convenient to install.

[0042] The utility model solves the problem of complex installation of the integrated busbar temperature sensor, improves the installation efficiency of the integrated busbar temperature sensor, and improves the insulation and withstand voltage performance of the integrated busbar temperature sensor.

[0043] The packaging shell 1 is manufactured by injection molding, and may also be manufactured by other processing methods.

[0044] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable integrated busbar temperature sensor, characterized in that: It includes a packaging shell, a temperature-sensitive resistor, and a wire. One end of the wire is connected to the temperature-sensitive resistor. The packaging shell is provided with a cavity for accommodating the temperature-sensitive resistor. The temperature-sensitive resistor is packaged in the cavity. The other end of the wire extends out of the packaging shell. The packaging shell is provided with a clamping groove that cooperates with the convex strip on the integrated busbar. A fixed structure that can be pressed is protruding outward from the outer wall of the packaging shell.

2. The portable integrated busbar temperature sensor according to claim 1, characterized in that: The clamping groove and the fixing structure both extend along the length direction of the packaging shell.

3. The portable integrated busbar temperature sensor according to claim 1, characterized in that: The clamping groove and the fixing structure are respectively located on two opposite outer side walls of the packaging shell.

4. The portable integrated busbar temperature sensor according to claim 1, characterized in that: The fixing structure is a fixing plate protruding outwardly from the outer side wall of the packaging shell.

5. The portable integrated busbar temperature sensor according to claim 1, characterized in that: The end of the snap-in groove away from the packaging shell is provided with a snap-in structure that cooperates with the raised strip on the integrated busbar.

6. The portable integrated busbar temperature sensor according to claim 1, characterized in that: The packaging shell is an injection-molded packaging shell.

7. The portable integrated busbar temperature sensor according to claim 1, characterized in that: The cavity is a square cavity, and the square cavity is located between the clamping groove and the fixing structure.

8. The portable integrated busbar temperature sensor according to claim 1, characterized in that: The temperature sensing resistor is encapsulated by epoxy resin to form a temperature sensing resistor encapsulated resin head, and the temperature sensing resistor encapsulated resin head is encapsulated in the cavity.

9. The portable integrated busbar temperature sensor according to claim 1, characterized in that: The cavity is filled with epoxy resin potting glue.

10. An integrated busbar, characterized in that: It includes an integrated busbar body and a portable integrated busbar temperature sensor as described in any one of claims 1 to 9, wherein the integrated busbar body is provided with a convex strip for installing the temperature sensor, the temperature sensor is engaged with the convex strip through a snap-in groove, and the fixing structure is pressed and fixed on the integrated busbar body.

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