CN214542437U

CN214542437U - Protection device for battery

Info

Publication number: CN214542437U
Application number: CN202120824973.2U
Authority: CN
Inventors: 陈房新
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-10-29
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a protection device for battery, including temperature controller body, the last temperature sensing end that is equipped with detection battery temperature of temperature controller body, this internal temperature control circuit that is equipped with of temperature controller, temperature sensing end control temperature control circuit switch, the temperature control circuit forms first wiring end in temperature controller body one end, a temperature controller body tip is equipped with the mounting groove, first wiring end sets up at the mounting groove, the mounting groove bottom is equipped with the through-hole, the last insulating visor that still is equipped with of temperature controller body, insulating visor lid is in order to shelter from first wiring end on the mounting groove, the temperature control circuit forms the second wiring end at the temperature controller body other end. This kind of protection device for battery, the bolt passes temperature controller body's first wiring end and the through-hole is connected the locking with the wiring end of battery, makes temperature controller body fix on the battery, ensures to paste tightly at temperature sensing end and battery, and simultaneously, the connection position of temperature controller body and battery is enclosed by the mounting groove, and then insulating visor shelters from, avoids the foreign matter to contact the connection position to it is safer to use.

Description

Protection device for battery

Technical Field

The utility model relates to a protection device for battery.

Background

Along with the popularization of electric motor car, it leads to the spontaneous combustion often to take place the battery high temperature, therefore, for the safe in utilization of guaranteeing battery in the electric motor car, be equipped with the temperature controller on the battery, the temperature controller, the battery is established ties in electric motor car circuit, the temperature controller detects the battery temperature and surpasss the default, thereby the electric motor car circuit of disconnection, make the battery stop work, and then guarantee the safe in utilization of battery, however, the wiring end of temperature controller and the wiring end of battery pass through bolted connection locking in order to realize electric connection and fixed purpose, this connection position exposes, there is the potential safety hazard, await further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a safe in utilization's protection device for battery.

The purpose of the utility model is realized like this.

The utility model provides a protection device for battery, including temperature controller body, the last temperature sensing end that is equipped with detection battery temperature of temperature controller body, this internal temperature control circuit that is equipped with of temperature controller, temperature sensing end control temperature control circuit switch, the temperature control circuit forms first wiring end in temperature controller body one end, a temperature controller body tip is equipped with the mounting groove, first wiring end sets up at the mounting groove, the mounting groove bottom is equipped with the through-hole, the last insulating visor that still is equipped with of temperature controller body, insulating visor lid is in order to shelter from first wiring end on the mounting groove, the temperature control circuit forms the second wiring end at the temperature controller body other end. This kind of protection device for battery, the bolt passes temperature controller body's first wiring end and the through-hole is connected the locking with the wiring end of battery, makes temperature controller body fix on the battery, ensures to paste tightly at temperature sensing end and battery, and simultaneously, the connection position of temperature controller body and battery is enclosed by the mounting groove, and then insulating visor shelters from, avoids the foreign matter to contact the connection position to it is safer to use.

The technical scheme can be further perfected as follows.

More specifically, extend the connecting strip on the insulating protection lid, connecting strip one end is equipped with the fixture block, is equipped with the fluting on the mounting groove lateral wall, and the connecting strip passes through the fixture block card to be gone into in the fluting. The insulating protective cover is movably fixed on the temperature controller body, the insulating protective cover is not easy to lose, and the insulating protective cover is conveniently covered on the mounting groove.

More specific scheme, the fluting is T type groove, and connecting strip and fixture block become the T type setting, and fluting, connecting strip and fixture block agree with, avoid influencing first wiring end and install the wiring end at first wiring end of mounting groove and bolted connection and battery in the mounting groove.

In another more specific scheme, a connecting strip extends outwards from one side of the temperature controller body close to the mounting groove, and the insulating protective cover, the connecting strip and the temperature controller body are integrally formed. The insulating protective cover is movably fixed on the temperature controller body, the insulating protective cover is not easy to lose, and the insulating protective cover is conveniently covered on the mounting groove.

More specifically, the connecting bar and the insulating protective cover are made of flexible materials, and the temperature controller body is made of hard materials. The connecting strip is soft, is convenient for remove insulating visor, and insulating visor is soft, conveniently installs into in the mounting groove.

More specifically, the insulating protective cover extends out the ring wall to the mounting groove in, and the ring wall periphery is equipped with elastic bulge, and insulating protective cover lid is on the mounting groove, and in the ring wall inserted the mounting groove, elastic bulge offseted with the mounting groove lateral wall. The insulating protective cover increases the contact area with the side wall of the mounting groove through the annular surrounding wall and the elastic bulge, and the insulating protective cover is prevented from falling off from the mounting groove automatically.

The utility model discloses beneficial effect as follows:

(1) this kind of protection device for battery, the bolt passes temperature controller body's first wiring end and the through-hole is connected the locking with the wiring end of battery, makes temperature controller body fix on the battery, ensures to paste tightly at temperature sensing end and battery, and simultaneously, the connection position of temperature controller body and battery is enclosed by the mounting groove, and then insulating visor shelters from, avoids the foreign matter to contact the connection position to it is safer to use.

(2) Secondly, insulating visor activity is fixed on temperature controller body, and insulating visor is difficult for losing, also makes things convenient for insulating visor to cover on the mounting groove, and fluting, connecting strip and fixture block agree with, avoid influencing first wiring end and install in the mounting groove and the wiring end of first wiring end of bolted connection and battery.

(3) Furthermore, the insulating protective cover increases the contact area with the side wall of the mounting groove through the annular surrounding wall and the elastic bulge, and the insulating protective cover is prevented from falling off from the mounting groove by self.

(4) In addition, the insulating protective cover, the connecting strip and the temperature controller body are integrally formed. Therefore, the insulating protective cover is movably fixed on the temperature controller body, the insulating protective cover is not easy to lose, and the insulating protective cover is conveniently covered on the mounting groove. The flexible connecting strip is convenient for remove insulating visor, and flexible insulating visor conveniently installs into the mounting groove in, and temperature controller body of hard material effectively protects, fixed temperature control circuit and temperature sensing end.

Drawings

Fig. 1 is a perspective view of the first embodiment (the insulation protection cover is in an open state).

Fig. 2 is a perspective view of the first embodiment (a state that the insulation protection cover covers the installation groove).

Fig. 3 is a perspective view of the first embodiment (another view of the insulation protection cover covering the mounting groove).

Fig. 4 is an exploded schematic view of the first embodiment.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In a first embodiment, referring to fig. 1 to 4, a protection device for a battery includes a thermostat body 1 and an insulating protection cover 2. The temperature controller body 1 is provided with a temperature sensing end 11 for detecting the temperature of the battery, a temperature control circuit 12 is arranged in the temperature controller body 1, the temperature sensing end 11 controls the switch of the temperature control circuit 12, the temperature control circuit 12 forms a first wiring end 13 at one end of the temperature controller body 1, and the temperature control circuit 12 forms a second wiring end 14 at the other end of the temperature controller body 1.

Wherein, temperature controller body 1 is equipped with mounting groove 15 corresponding first wiring end 13, and first wiring end 13 sets up at mounting groove 15, and mounting groove 15 bottom is equipped with through-hole 16, is equipped with fluting 17 on the mounting groove 15 lateral wall, and fluting 17 is preferred T type groove.

A connecting strip 21 extends from the insulating protective cover 2, a clamping block 22 is arranged at one end of the connecting strip 21, the connecting strip 21 and the clamping block 22 are arranged in a T shape, the connecting strip 21 is clamped into the open groove 17 through the clamping block 22, and the insulating protective cover 2 is movably fixed on the temperature controller body 1. The insulation protection cover 2 extends a ring-shaped surrounding wall 23 into the installation groove 15, and an elastic bulge 24 is arranged on the periphery of the ring-shaped surrounding wall 23.

The utility model discloses in, temperature control circuit 12 includes first conducting strip 3, second conducting strip 4, central conducting strip 5, bimetallic strip 6 and push rod 7, and the inner of first conducting strip 3 and second conducting strip 4 both is electrically conductive through the contact of central conducting strip 5, and the outer end of first conducting strip 3 does first wiring end 13, the outer end of second conducting strip 4 do second wiring end 14, bimetallic strip 6 are close to 1 one side of temperature controller body do temperature sensing end 11, push rod 7 one end offsets with bimetallic strip 6, and push rod 7 one end offsets with central conducting strip 5. In a normal state, the first conductive plate 3, the central conductive plate 5 and the second conductive plate 4 are in a connected conductive state. When the temperature of the battery is too high, the heat of the battery is conducted to the bimetallic strip 6, the bimetallic strip 6 deforms to push the push rod 7 to move, the push rod 7 moves to enable the two sections of the central conducting strip 5 to be respectively far away from the first conducting strip 3 and the second conducting strip 4, so that the power-off function is realized, the temperature control circuit 12 is disconnected, the battery cannot be used for electricity or charged, and the battery is prevented from spontaneous combustion due to too high temperature.

During the installation, align through-hole 16 of mounting groove 15 on temperature controller body 1 with the terminal of battery (the terminal of battery is fixed on the battery surface), the bolt passes first terminal 13 in mounting groove 15 and behind through-hole 16 and locks with the terminal of battery, insulating protective cover 2 covers on mounting groove 15, insulating protection shelters from first terminal 13 and bolt, annular wall 23 inserts in mounting groove 15, elastic bulge 24 offsets with mounting groove 15 lateral wall to make insulating protective cover 2 can not break away from mounting groove 15.

The second embodiment is different from the first embodiment in that: the connecting strip 21 extends outwards from one side of the temperature controller body 1 close to the mounting groove 15, and the insulating protective cover 2, the connecting strip 21 and the temperature controller body 1 are integrally formed.

In order to ensure that the insulating protection cover 2 can be used normally, the connecting bar 21 and the insulating protection cover 2 are made of flexible materials, and the temperature controller body 1 is made of hard materials. That is, when the insulating protective cover 2, the connecting bar 21 and the temperature controller body 1 are injection molded, the insulating protective cover 2 and the connecting bar 21 are made of flexible materials, and the temperature controller body 1 is made of hard materials, so that the use requirements of the insulating protective cover 2, the connecting bar 21 and the temperature controller body 1 are met simultaneously. The insulating protective cover 2 and the connecting bar 21 are not likely to fall off from the thermostat body 1, and when the thermostat body 1 is used, the insulating protective cover 2 is correspondingly arranged for use.

Certainly, the insulating protective cover 2 and the connecting bar 21 are integrally formed by injection molding, and then the connecting bar 21 is stuck on the temperature controller body 1, so that the insulating protective cover 2, the connecting bar 21 and the temperature controller body 1 can be integrally formed.

Claims

1. The utility model provides a protection device for battery, including temperature controller body (1), be equipped with temperature sensing end (11) that detect the battery temperature on temperature controller body (1), be equipped with temperature control circuit (12) in temperature controller body (1), temperature sensing end (11) control temperature control circuit (12) switch, characterized by, temperature control circuit (12) form first wiring end (13) in temperature controller body (1) one end, a temperature controller body (1) tip is equipped with mounting groove (15), first wiring end (13) set up in mounting groove (15), mounting groove (15) bottom is equipped with through-hole (16), still be equipped with insulating visor (2) on temperature controller body (1), insulating visor (2) lid is in order to shelter from first wiring end (13) on mounting groove (15), temperature control circuit (12) form second wiring end (14) at temperature controller body (1) other end.

2. The battery protection device as claimed in claim 1, wherein a connection bar (21) extends from the insulation protection cover (2), a latch (22) is disposed at one end of the connection bar (21), a slot (17) is disposed on a side wall of the mounting groove (15), and the connection bar (21) is latched into the slot (17) through the latch (22).

3. The battery protection device as claimed in claim 2, wherein the slot (17) is a T-shaped slot, and the connecting bar (21) and the latch (22) are arranged in a T-shape.

4. The battery protection device as claimed in claim 1, wherein a connection bar (21) extends outwards from one side of the thermostat body (1) close to the mounting groove (15), and the insulating protective cover (2), the connection bar (21) and the thermostat body (1) are integrally formed.

5. The battery protection device according to claim 4, wherein the connection bar (21) and the insulating protection cover (2) are made of a flexible material, and the thermostat body (1) is made of a hard material.

6. The battery protection device according to claim 1, wherein the insulation protection cover (2) extends a circumferential wall (23) into the mounting groove (15), an elastic protrusion (24) is provided on the outer circumference of the circumferential wall (23), the insulation protection cover (2) covers the mounting groove (15), the circumferential wall (23) is inserted into the mounting groove (15), and the elastic protrusion (24) abuts against the side wall of the mounting groove (15).