CN212158852U

CN212158852U - Temperature sensor applied to battery pack core

Info

Publication number: CN212158852U
Application number: CN202020818188.1U
Authority: CN
Inventors: 李佶
Original assignee: Uplink Tianjin Electronic Technology Co ltd
Current assignee: Uplink Tianjin Electronic Technology Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-15
Anticipated expiration: 2030-05-15

Abstract

The utility model belongs to the technical field of electronic components, in particular to a temperature sensor applied to battery cells of a battery pack, which comprises a snap ring, wherein an installation frame is installed at the upper end of the outer side wall of the snap ring, an opening is arranged at the upper end of the outer side wall of the snap ring in a penetrating way, the opening is positioned under the installation frame, the top end of the inner part of the installation frame is detachably connected with a connecting block, the lower end surface of the connecting block is fixedly connected with a spring, the lower end surface of the spring is fixedly connected with a connecting ring, the upper end surface of the connecting ring is connected with a probe in a penetrating way, the spring is sleeved at the upper end of the outer side wall of the probe, the lower end of the probe passes through the opening and extends to the lower part of the opening, thereby achieving the simple and convenient installation when the temperature sensor is, and then avoid the producer to produce the problem that the diameter error of electricity core causes the snap ring to be difficult to closely laminate with electric core.

Description

Temperature sensor applied to battery pack core

Technical Field

The utility model relates to an electronic components technical field, concretely relates to be applied to temperature sensor of battery package electricity core.

Background

The battery system as one of three key components in an electric automobile has the main functions of realizing the storage and release of electric energy through the mutual conversion of electric energy and chemical energy, generating heat when any energy conversion device works, generating a large amount of heat in the conversion process, causing the internal power of the battery to be overhigh due to the heat generation, influencing the cycle life of the battery, even harming the safety of the battery, thus showing that the temperature monitoring of each component in a battery pack, particularly a battery core, is an important means for ensuring the cycle life, the safety and the consistency of the battery, a thermistor is a thermistor formed by polycrystalline ceramic mixed with oxides, the resistance value of the thermistor is reduced along with the rise of the temperature, and the thermistor has the advantages of low price, good quality, stable performance and the like, and is widely used for preparing a temperature sensor to measure the temperature, temperature sensors are used in the automotive industry to monitor changes in the cell output voltage or current by monitoring the temperature of the cells of a battery pack.

The utility model discloses a be applied to temperature sensor of battery package electric core that CN208923309U discloses, when installing with electric core, the snap ring is too big with the area of contact of electric core, causes the volume of electric core in the battery package to occupy too much problem to the installation is complicated, and producer's production electricity core diameter error causes the snap ring to be difficult to with the problem that electric core closely laminates, has reduced temperature monitoring's efficiency.

SUMMERY OF THE UTILITY MODEL

For solving the problem that proposes among the above-mentioned background art, the utility model provides a be applied to temperature sensor of battery package electricity core has and installs simple and conveniently when this temperature sensor of electricity core lateral wall installation to the device's probe is laminated with the contact surface of electric core all the time, improves temperature monitoring's efficiency, avoids producer production electricity core diameter error to cause the snap ring to be difficult to with the characteristics of the problem that electric core closely laminated.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applied to temperature sensor of battery package electricity core, includes the snap ring, the installing frame is installed to the lateral wall upper end of snap ring, the opening has been seted up in running through to the lateral wall upper end of snap ring, the opening is located the installing frame under, the inside top of installing frame can be dismantled and be connected with the connecting block, the lower terminal surface fixedly connected with spring of connecting block, the lower terminal surface fixedly connected with go-between of spring, the up end through connection of go-between has the probe, the spring cup joints in the lateral wall upper end of probe, the lower extreme of probe passes the opening and extends to the open-ended below.

In order to conveniently distribute heat generated by the battery core, the service life of the snap ring is prolonged, and the utility model relates to a temperature sensor applied to the battery pack battery core is preferable, the lateral wall of the snap ring is run through and is provided with a plurality of air holes.

In order to increase the coefficient of friction between snap ring and the electric core, further increase the stability of being connected between snap ring and the electric core, conduct the utility model relates to a be applied to the temperature sensor of battery package electric core preferred, the inside wall fixedly connected with antiskid line of snap ring.

For the convenience with the lateral wall chucking of electric core to because the elasticity of snap ring self and then conveniently carry out chucking and dismantlement with electric core and snap ring, conduct the utility model relates to a be applied to the temperature sensor optimization of battery package electric core, the snap ring is C type form, the material of snap ring is for having elastic PVC.

For convenient dismantlement installing frame and change probe, as the utility model relates to a be applied to temperature sensor of battery package electricity core preferred, the equal fixedly connected with fixed block in the left and right sides of installing frame, two the up end of fixed block all can be dismantled and be connected with the connecting piece, the installing frame can be dismantled through two fixed blocks and two connecting pieces with the snap ring and be connected.

In order to further increase the inseparable degree of laminating between probe and the electric core to electric core plays the cushioning effect when receiving vibrations, conduct the utility model relates to a be applied to the temperature sensor of battery package electric core preferred, the lower terminal surface of probe can be dismantled and be connected with heat conduction metal flexure strip, heat conduction metal flexure strip is made by heat conduction silica gel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the temperature sensor applied to the battery cell of the battery pack needs to be installed with the battery cell, the clamp ring is clamped on the outer side wall of the battery cell, after clamping, the surface of the battery cell, which is contacted with the probe, is contracted by extruding the spring, because of the elasticity of the spring, the contact surface of the probe and the battery core is always tightly attached, and when the battery is charged, the probe measures the temperature generated by the battery core, the temperature data measured by the probe is output to an external controller, then the external controller analyzes the data in real time to regulate the voltage or current output by the battery cell, thereby achieving the purposes of simple and convenient installation when the temperature sensor is installed on the outer side wall of the battery cell, and the contact surface of the probe of the device and the battery cell is always attached, improving the efficiency of temperature monitoring, and then avoid the producer to produce the problem that the diameter error of electricity core causes the snap ring to be difficult to closely laminate with electric core.

2. This kind of be applied to temperature sensor of battery package electric core runs through a plurality of bleeder vents of seting up through the lateral wall of snap ring, when snap ring and the close laminating of electric core lateral wall, conveniently gives off the heat that electric core produced through a plurality of bleeder vents, has increased the life of snap ring.

3. This kind of be applied to temperature sensor of battery package electricity core, through the inside wall fixed connection's of snap ring anti-skidding line, and then when snap ring and electric core chucking, the anti-skidding line increases the coefficient of friction between snap ring and the electric core, has further increased the stability of being connected between snap ring and the electric core.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a cross-sectional view of a temperature sensor applied to a battery pack core according to the present invention;

FIG. 2 is a view of the structure of the snap ring of the present invention;

fig. 3 is a cross-sectional view of the utility model at a.

In the figure, 1, a snap ring; 101. an opening; 102. anti-skid lines; 103. air holes are formed; 2. installing a frame; 201. a fixed block; 202. a connecting member; 3. connecting blocks; 301. a spring; 302. a probe; 303. a connecting ring; 4. a heat conductive metal elastic sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a be applied to temperature sensor of battery package electricity core, including snap ring 1, installing frame 2 is installed to the lateral wall upper end of snap ring 1, opening 101 has been seted up in running through to the lateral wall upper end of snap ring 1, opening 101 is located installing frame 2 under, the inside top of installing frame 2 can be dismantled and is connected with connecting block 3, lower terminal surface fixedly connected with spring 301 of connecting block 3, spring 301's lower terminal surface fixedly connected with go-between 303, the up end through connection of go-between 303 has probe 302, spring 301 cup joints in the lateral wall upper end of probe 302, the lower extreme of probe 302 passes opening 101 and extends to the below of opening 101.

In this embodiment: when the temperature sensor and the battery cell need to be installed, the clamp ring 1 is clamped on the outer side wall of the battery cell, after clamping, the surface of the battery cell, which is in contact with the probe 302, is contracted by extruding the spring 301, due to the elasticity of the spring 301, the contact surface of the probe 302 and the battery core is always tightly attached, when the battery is charged, the probe 302 measures the temperature generated by the battery core, the temperature data measured by the probe 302 is output to the external controller, then the external controller analyzes the data in real time to regulate the voltage or current output by the battery cell, thereby achieving the purposes of simple and convenient installation when the temperature sensor is installed on the outer side wall of the battery cell, and the contact surface of the probe 302 of the device and the battery cell is always attached, improving the efficiency of temperature monitoring, and then avoid the producer to produce the problem that electric core diameter error causes snap ring 1 to be difficult to closely laminate with electric core.

As a technical optimization scheme of the utility model, the lateral wall of snap ring 1 runs through and has seted up a plurality of bleeder vents 103.

In this embodiment: the lateral wall through snap ring 1 runs through a plurality of bleeder vents 103 of seting up, when snap ring 1 and the close laminating of electricity core lateral wall, conveniently gives off the heat that electricity core produced through a plurality of bleeder vents 103, has increased snap ring 1's life.

As a technical optimization scheme of the utility model, the inside wall fixedly connected with antiskid line 102 of snap ring 1.

In this embodiment: through the inside wall fixed connection's of snap ring 1 anti-skidding line 102, and then when snap ring 1 and electric core chucking, anti-skidding line 102 increases the coefficient of friction between snap ring 1 and the electric core, has further increased the stability of being connected between snap ring 1 and the electric core.

As a technical optimization scheme of the utility model, snap ring 1 is the C type form, and snap ring 1's material is for having elastic PVC.

In this embodiment: be C type form through snap ring 1, the material of snap ring 1 is for having elastic PVC, and then this snap ring 1 is convenient with the lateral wall chucking of electric core to because the elasticity of snap ring 1 self and then conveniently carry out chucking and dismantlement with electric core and snap ring 1.

As a technical optimization scheme of the utility model, the equal fixedly connected with fixed block 201 in the left and right sides of installing frame 2, the up end of two fixed blocks 201 all can be dismantled and be connected with connecting piece 202, and installing frame 2 can be dismantled through two fixed blocks 201 and two connecting pieces 202 with snap ring 1 and be connected.

In this embodiment: when the mounting frame 2 needs to be disassembled, the two connecting pieces 202 are screwed, then the mounting frame 2 is disassembled, and then the probe 302 is replaced, so that the effect of conveniently disassembling the mounting frame 2 and replacing the probe 302 is achieved.

As a technical optimization scheme of the utility model, the lower terminal surface of probe 302 can be dismantled and be connected with heat conduction metal flexure strip 4, and heat conduction metal flexure strip 4 is made by heat conduction silica gel.

In this embodiment: when the probe 302 is in contact with the battery cell, the heat-conducting metal elastic sheet 4 further increases the close degree of the fit between the probe 302 and the battery cell, and the battery cell plays a role in buffering when being vibrated.

The utility model discloses a theory of operation and use flow: when the temperature sensor is required to be installed with a battery core, the clamping ring 1 is clamped to the outer side wall of the battery core, after clamping, one surface of the battery core, which is contacted with the probe 302, contracts through the extrusion spring 301, due to the elasticity of the spring 301, the contact surface of the probe 302 and the battery core is always tightly attached, further, when the battery is charged, the probe 302 measures the temperature generated by the battery core, the temperature data measured by the probe 302 is output to an external controller, then the external controller analyzes the data in real time to adjust the voltage or current output by the battery core, when the clamping ring 1 is tightly attached to the outer side wall of the battery core, the heat generated by the battery core is conveniently dissipated through the plurality of air holes 103, when the clamping ring 1 is clamped with the battery core, the anti-skid veins 102 increase the friction coefficient between the clamping ring 1 and the battery core, further increase the stability of connection between the clamping ring 1 and the battery core, and, both connectors 202 are twisted and the mounting frame 2 is then removed and the probe 302 replaced.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a be applied to temperature sensor of battery package electricity core, includes snap ring (1), its characterized in that: installing frame (2) are installed to the lateral wall upper end of snap ring (1), opening (101) have been seted up in running through to the lateral wall upper end of snap ring (1), opening (101) are located installing frame (2) under, the inside top of installing frame (2) can be dismantled and is connected with connecting block (3), lower terminal surface fixedly connected with spring (301) of connecting block (3), the lower terminal surface fixedly connected with go-between (303) of spring (301), the up end through connection of go-between (303) has probe (302), spring (301) cup joint in the lateral wall upper end of probe (302), the lower extreme of probe (302) passes opening (101) and extends to the below of opening (101).

2. The temperature sensor applied to the battery pack core according to claim 1, wherein: a plurality of air holes (103) are formed in the outer side wall of the clamping ring (1) in a penetrating mode.

3. The temperature sensor applied to the battery pack core according to claim 1, wherein: the inner side wall of the clamping ring (1) is fixedly connected with anti-skid grains (102).

4. The temperature sensor applied to the battery pack core according to claim 1, wherein: the clamping ring (1) is C-shaped, and the clamping ring (1) is made of elastic PVC.

5. The temperature sensor applied to the battery pack core according to claim 1, wherein: the equal fixedly connected with fixed block (201) in both sides about installing frame (2), two the up end of fixed block (201) all can be dismantled and be connected with connecting piece (202), installing frame (2) can be dismantled through two fixed blocks (201) and two connecting pieces (202) with snap ring (1) and be connected.

6. The temperature sensor applied to the battery pack core according to claim 1, wherein: the lower terminal surface of probe (302) can be dismantled and be connected with heat conduction metal flexure strip (4), heat conduction metal flexure strip (4) are made by heat conduction silica gel.