CN210015906U - Overheat protection pencil for battery - Google Patents
Overheat protection pencil for battery Download PDFInfo
- Publication number
- CN210015906U CN210015906U CN201921189348.4U CN201921189348U CN210015906U CN 210015906 U CN210015906 U CN 210015906U CN 201921189348 U CN201921189348 U CN 201921189348U CN 210015906 U CN210015906 U CN 210015906U
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- CN
- China
- Prior art keywords
- circuit board
- thermistor
- battery
- overheat protection
- length direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The utility model discloses an overheat protection pencil for battery, including the circuit board, follow a plurality of welding holes that circuit board length direction distributes in proper order, with welding hole welded connection just a plurality of thermistors that the side distributes in turn in proper order about circuit board length direction, be located the binding post at circuit board both ends, be located the plug connector of circuit board one end and be used for with the mounting fixture on the battery compartment is fixed to thermistor, and this device adopts thermistor on the circuit board alternate distribution's the mode of arranging, is favorable to thermistor and circuit board to be connected installation and follow-up thermistor's orderly quick installation.
Description
Technical Field
The utility model relates to an overheat protection pencil for battery belongs to new forms of energy pencil technical field.
Background
The battery can generate heat in the use process, because the battery is all installed inside equipment, the thermal diffusivity is poor, can lead to the interior high temperature of battery box, produce the safety problem, generally can install hot detection device and report to the police or heat abstractor carries out circuit connection in order to monitor the interior temperature of battery box, trigger reputation electricity class alarm system when overheated and remind the user to take necessary measures, or start heat abstractor and dispel the heat, thermistor is the temperature-sensitive element commonly used, and has characteristics such as small, workable, stability is good, commonly used temperature detection, the thermistor that uses in the current battery box is for the pencil distributes in box different positions department, adopt thermistor of different length to realize, but its installation relies on the manual work to peg graft, it is wrong to insert very easily, lead to inefficiency.
Disclosure of Invention
The utility model aims to solve the technical problem that an easy to assemble's overheat protection pencil is used to battery is provided for solve the low problem of current pencil installation effectiveness.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides an overheat protection pencil for battery, includes the circuit board, follows a plurality of welding holes that circuit board length direction distributes in proper order, with welding hole welded connection just a plurality of thermistors that the side distributes in turn about circuit board length direction in proper order, be located the binding post at circuit board both ends, be located the plug connector of circuit board one end and be used for with the mounting fixture on the battery compartment is fixed to the thermistor.
Further, mounting fixture includes two at least elasticity joint mountings, the joint mounting includes draw-in groove and the V-arrangement opening of intercommunication, the draw-in groove diameter slightly is less than thermistor wire diameter, V-arrangement opening bottom diameter is less than the draw-in groove diameter.
Furthermore, the top edge of the circuit board adopts a tooth-shaped structure and is used for positioning and matching with the battery compartment.
Furthermore, the two ends of the circuit board adopt an asymmetric structure.
Furthermore, the thermistor lead is made of heat-resistant parallel lines, and the head of the thermistor is coated with an injection molding piece.
Furthermore, the thermistor is made of a negative temperature coefficient thermistor made of a semiconductor material or a transition metal material.
The utility model discloses the beneficial effect who reaches: the device adopts the arrangement mode that the thermistors are alternately distributed on the circuit board, thereby being beneficial to the connection and installation of the thermistors and the circuit board, realizing the ordered and rapid installation in the subsequent installation of the thermistors and avoiding the problem of wrong insertion; by adopting the structure of the fixing clamp, the problem of displacement of the thermistor can be effectively prevented, and the stability of the mounting position is ensured; the structure of circuit board can be fixed with the better location in battery compartment, and its asymmetric structure can effectively prevent the circuit board and adorn anti-problem.
Drawings
FIG. 1 is an embodiment overtemperature protection harness (not including a mounting fixture);
FIG. 2 is an embodiment installation schematic;
FIG. 3 is a partial detail view of an installation schematic of an embodiment;
FIG. 4 is a schematic diagram of a thermistor according to an embodiment;
FIG. 5 is a schematic structural view of an embodiment of a fixing clip.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
An overheat protection harness for a battery as shown in fig. 1 includes a circuit board 3 having a thickness of 1.60mm, 13 welding holes sequentially distributed along a length direction of the circuit board 3, 13 sets of thermistors 1 welded to the welding holes and sequentially alternately distributed on left and right sides of the length direction of the circuit board 3, connection terminals 2 located at both ends of the circuit board 3, plug-in units 4 located at one end of the circuit board, and fixing jigs 5 for fixing the thermistors 1 to a battery compartment as shown in fig. 2 and 3. Such asAs shown in FIG. 4, the connecting wire 6 of the thermistor 1 is a 105 ℃ heat-resistant parallel wire having a coating outer diameter of 1.08mm and a core wire cross-sectional area of 0.14mm2(7/0.16), the tail end of the wire is subjected to pre-tinning operation, the diameter of the tinned wire is smaller than 1.0mm, the length of the tinned wire is 3mm, the wire can be well welded to the circuit board 3, circuit communication is realized, the head of the thermistor 1 is further coated with high-purity epoxy resin, the epoxy resin can effectively protect the resistor from being damaged, and the thermistor 1 can be made of a negative temperature coefficient thermistor (NTC) made of a semiconductor material or a transition metal material; 3 topside of circuit board adopt dentate structure for carry out the location with the battery compartment and match the installation, and its both ends adopt asymmetric structure, can effectually prevent that circuit board 3 from adorning the anti-problem, as shown in fig. 5, mounting fixture 5 includes two elasticity joint mountings, be used for thermistor 1 end wire is fixed, can effectively guarantee that thermistor position does not take place the skew, the joint mounting includes draw-in groove and the V-arrangement opening of intercommunication, draw-in groove diameter (phi 1.00mm) is slightly less than thermistor wire diameter, V-arrangement opening bottom diameter is less than the draw-in groove diameter, adopt this kind of structure, can make things convenient for quick installation of carrying out wire 6 to be fixed.
The device adopts the circuit board to sequentially connect the thermistors in series at different positions in the battery compartment to ensure that the thermistors can cover the temperature detection area, and the internal loop circuit is connected with the alarm device or the heat dissipation device through the plug connectors 4, so that the automatic alarm or the heat dissipation system can be realized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides an overheat protection pencil for battery, characterized by includes the circuit board, follows a plurality of welding holes that circuit board length direction distributes in proper order, with welding hole welded connection just a plurality of thermistors that the side distributes in turn about circuit board length direction, be located the binding post at circuit board both ends, be located the plug connector of circuit board one end and be used for with the mounting fixture on the battery compartment is fixed to the thermistor.
2. The overheat protection harness for the battery according to claim 1, wherein the fixing jig comprises at least two elastic clamping fixing members, each clamping fixing member comprises a clamping groove and a V-shaped opening, the clamping groove is slightly smaller than the thermistor lead, and the bottom diameter of each V-shaped opening is smaller than the clamping groove.
3. The battery overheat protection harness as claimed in claim 1, wherein the top edge of the circuit board is formed with a tooth-like structure for positioning and matching with the battery compartment.
4. The overheat protection wire harness for a battery according to claim 1, wherein both ends of the circuit board have an asymmetrical structure.
5. The battery pack according to claim 1, wherein the thermistor lead is a heat-resistant parallel wire, and the thermistor head is covered with an injection-molded member.
6. The battery pack as claimed in claim 1, wherein the thermistor is a negative temperature coefficient thermistor made of a semiconductor material or a transition metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189348.4U CN210015906U (en) | 2019-07-26 | 2019-07-26 | Overheat protection pencil for battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189348.4U CN210015906U (en) | 2019-07-26 | 2019-07-26 | Overheat protection pencil for battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210015906U true CN210015906U (en) | 2020-02-04 |
Family
ID=69319813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921189348.4U Active CN210015906U (en) | 2019-07-26 | 2019-07-26 | Overheat protection pencil for battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210015906U (en) |
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2019
- 2019-07-26 CN CN201921189348.4U patent/CN210015906U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |