CN206789493U - A kind of overtemperature protection system - Google Patents
A kind of overtemperature protection system Download PDFInfo
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- CN206789493U CN206789493U CN201720514637.1U CN201720514637U CN206789493U CN 206789493 U CN206789493 U CN 206789493U CN 201720514637 U CN201720514637 U CN 201720514637U CN 206789493 U CN206789493 U CN 206789493U
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- spring
- plastic components
- wing plate
- plastic
- protection system
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Abstract
It the utility model is related to a kind of overtemperature protection system; including plastic components (2) and elastic accessory part; elastic accessory part is connected to the spring (1) on bearing including bearing and one end; plastic components (2), which are connected between bearing and spring (1), makes spring (1) be in energy accumulating state; and broken in overheat; spring (1) is set to release energy; the electrode (5) for being connected with alarm is equipped with described spring (1) and bearing; two electrodes (5) contact when spring (1) releases energy, and connect alarm.Compared with prior art, the utility model cost is low, applicability is wide, it is simple in construction, rationally distributed, occupy little space, normal temperature reliability and alarm reliability height, fast response time, false touch rate it is low.
Description
Technical field
A kind of overtemperature protection system is the utility model is related to, more particularly to a kind of auxiliary for new-energy automobile is overheated and protected
Protection unit.
Background technology
Temperature control will cause the serious consequences such as fire, blast, overtemperature protection, refer to when temperature exceedes a certain threshold value and just start
Corresponding defencive function.Overtemperature protection at present typically sets up overtemperature protection using thermo-responsive electronic component or bimetal leaf
Circuit, the function of overtemperature protection is realized, there is the advantages of intelligent, reusable, be current mainstream technology.But electronics
Integrity problem be present in component and bimetal leaf, once failure will cause serious consequence.
New-energy automobile refers to employ new technology, the automobile of new construction as power resources using unconventional vehicle fuel.
Electric automobile is main flow at present, it the advantages of be the saving fuel oil energy, reduce waste gas discharge, efficiency high, noise it is low.New energy vapour
The security of car is always the focus that everybody pays close attention to.According to statistics, new-energy automobile fire accident 35 occurs altogether both at home and abroad within 2016
Rise, relate to thing vehicle and amount to 46, industrial security problem is very prominent, and from the point of view of reason of fire, the accident triggered by spontaneous combustion is 9
Rise, account for 31%, it is seen that the spontaneous combustion as caused by electrokinetic cell reason is still the first cause of new-energy automobile fire accident.Power electric
Pond concrete case on fire has battery overcharge to cause electrokinetic cell thermal runaway, electrolyte leakage, causes short circuit, causes fire；
There is the loosening of battery core electrode connection, then thermal control piece does not work, and causes battery-heating, so as to which fire occur.If can
There is the reliable temperature alarm system of an auxiliary, thermal information provided to safety management system when classical control system fails,
Battery system overall security will be improved.
The content of the invention
The purpose of this utility model is exactly low, suitable in order to provide a kind of cost the defects of overcoming above-mentioned prior art to exist
With property it is wide, it is simple in construction, rationally distributed, occupy little space, normal temperature reliability and alarm reliability height, fast response time, false touch
The low overtemperature protection system of rate.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of overtemperature protection system, including plastic components and elastic accessory part, described elastic accessory part include branch
Seat and one end are connected to the spring on bearing, and described plastic components, which are connected between bearing and spring, makes spring be in accumulation of energy shape
State, and broken in overheat, spring is released energy, be equipped with described spring and bearing for being connected with alarm
Electrode, two electrodes contact when spring releases energy, and connect alarm.
As preferable technical scheme, described bearing includes a support body for being in " Contraband " font, described bearing sheet
Body is by connecting plate and is arranged on first wing plate at connecting plate both ends and the second wing plate forms, and described spring and plastic components are set
In the half-surrounded space that bearing surrounds.
As preferable technical scheme, described spring includes flat spring or helical spring；
When described spring is flat spring, one end of flat spring is fixed on the junction of connecting plate and the first wing plate, and two
Individual electrode is separately positioned on flat spring and the first wing plate, and plastic components are arranged between flat spring and the second wing plate, makes plate bullet
Spring is in the energy accumulating state towards the bending of the second wing plate；
When described spring is helical spring, one end of helical spring is connected on the medial surface of the first wing plate, two
Electrode is separately positioned on the other end of helical spring and the medial surface of the second wing plate, and plastic components are located in helical spring,
One end of plastic components is fixed on the first wing plate, and the other end and helical spring of plastic components are provided with one end company of electrode
Connect, helical spring is in the energy accumulating state of compression.
As preferable technical scheme：
When described spring is flat spring, described flat spring and the first wing plate use metal material, and respectively
As an electrode, and the free end of flat spring and the free end of the first wing plate are equipped with lug boss；
When described spring is helical spring, the second described wing plate uses metal material, and is used as an electrode.
As preferable technical scheme, the both ends of described plastic components are equipped with connecting portion, described connecting portion and branch
Seat and spring are detachably connected.
As preferable technical scheme, described plastic components are in long column shape, dumbbell shaped, multi-layer thin are membranaceous or tow shape.
As preferable technical scheme, described plastic components are in long column shape or dumbbell shaped, when plastic components are in long column shape
When, there is at least one breach side, easy breakpoint during as over hot melting.
As preferable technical scheme, described plastic components are in multi-layer thin is membranaceous or tow shape；
When plastic components are membranaceous in multi-layer thin, described plastic components include the plastic sheeting that multi-disc be arranged in parallel, phase
Gap is separated between adjacent two panels plastic sheeting；
When plastic components are in tow shape, described plastic components include more plastic cellosilks, each plastic cellosilk it
Between be separated with gap.
As preferable technical scheme, the width in the gap between adj acent plastic filament is more than the straight of plastic cellosilk
Footpath.Be advantageous to contact of the air with each plastic cellosilk.
As preferable technical scheme, described plastic components are matched using the overtemperature of fusion temperature and setting
Plastic material, described plastic material include polycaprolactone, polyvinyl chloride, polyethylene, polypropylene, nylon or polyformaldehyde.
The working temperature requirement that the material of plastic components of the present utility model is applied according to it selects different fusion temperatures
Plastic material, such as polycaprolactone, polyvinyl chloride, polyethylene, polypropylene, nylon or polyformaldehyde can also be by being blended, filling out
The technique such as fill, be crosslinked, strengthening, being copolymerized, obtain needed for fusion temperature plastic material.
As preferable technical scheme, reinforcing fiber is also contained in described plastic material, described reinforcing fiber includes
Glass fibre or carbon fiber.
As preferable technical scheme, reinforcing fiber typically uses the form of chopped strand.Avoid the alarm to device can
Impacted by property.
Operation principle of the present utility model is：Spring fixes certain deflection in advance, is spring using plastic components
Accumulation of energy provides support, when peripheral temperature rises to the fusion temperature of plastic components, plastic components fusing, loses supporting role,
Spring releases energy, elastic servicing unit generation action, makes two electrode contact connections, so as to connect alarm circuit, so as to
Being capable of output alarm signal.
Compared with prior art, the utility model has the advantages that：
(1) the utility model parts are few, simple in construction, and reliability is high, and cost is low.
(2) bearing uses the structure of the semi-surrounding in " Contraband " font, is not only simple in structure, and can to spring therein and
Plastic components are effectively protected when plastic components are located in helical spring (especially with helical spring, and).Bullet
Spring and plastic components are rationally distributed, the space being effectively utilized in " Contraband " shaped support, compact-sized, can effectively reduce device
Space-consuming.
Further, by regarding certain of spring or bearing part as an electrode in itself, zero can further be reduced
Number of packages amount, improve the compactedness of structure.
(3) the utility model uses open structure, is advantageous to contact of the air with plastic components, heat energy during overheat
It is enough to be effectively transferred to plastic components, improve the alarm reliability of device.
(4) plastic components of the present utility model are usually in tension state, during overheat, are broken, and spring releases energy,
Reliability is high.
Further：
When plastic components in multi-layer thin is membranaceous or tow shape in the form of when, can effectively increase connecing for plastic components and air
Contacting surface is accumulated, and improves sensitiveness of the plastic components to temperature, and then is advantageous to improve the response speed and alarm reliability of device.And
And in this case, while the response speed and alarm reliability of device is not influenceed, plastic components can by using compared with
More film numbers of plies or plastic cellosilk number, possess larger intensity redundancy, strengthen the intensity of plastic components under normal temperature, prevent from missing
Triggering, improve the normal temperature reliability of device.
When plastic components use dumbbell shaped or notched long column shape, there is easy breakpoint, it is possible to increase response speed and
Alarm reliability.
(5) by the way that connecting portion to be detachably connected to (such as be connected by clamping or mode connects for screw) with bearing and spring, if
Easily changeable structure type to be counted into, plastic components is changed as consumptive material, realization repeatedly uses, meanwhile, a bullet
Property accessory part can also be realized the matching to different working temperatures, can effectively reduce by changing different plastic components
Cost and the applicability for improving device.
(6) after plastic components are strengthened by reinforcing fiber, the fusing point of material is not influenceed, but can improve material in low temperature
When intensity, overcome the long-term creep phenomenons of plastic components, can be to ensure normal in the case of plastic components diameter is less
Temperature is lower to have stronger intensity, will not surprisingly be broken false triggering, improve the reliability of device, reduce the use of plastic components
Amount, reduces cost.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1；
Fig. 2 is the structural representation of the utility model embodiment 2；
Fig. 3 is the structural representation of the plastic components in the utility model embodiment 3；
Fig. 4 is the structural representation of the plastic components in the utility model embodiment 4.
In figure, 1 is spring, and 2 be plastic components, and 21 be plastic sheeting, and 22 be plastic cellosilk, and 31 be connecting plate, and 32 are
First wing plate, 33 be the second wing plate, and 4 be connecting portion, and 5 be electrode.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of overtemperature protection system, including plastic components 2 and elastic accessory part, elastic accessory part include bearing and one
End is connected to spring 1 on bearing, and plastic components 2, which are connected between bearing and spring 1, makes spring 1 be in energy accumulating state, and
Broken during overheat, spring 1 is released energy, be equipped with the electrode 5 for being connected with alarm on spring 1 and bearing, two
Individual electrode 5 contacts when spring 1 releases energy, and connects alarm.
The working temperature requirement that the material of plastic components 2 is applied according to it selects the plastic material of different fusion temperatures,
Such as polycaprolactone, polyvinyl chloride, polyethylene, polypropylene, nylon or polyformaldehyde, can also be by being blended, filling, being crosslinked, increasing
By force, the technique such as copolymerization, the plastic material of required fusion temperature is obtained.
Bearing in the present embodiment includes a support body for being in " Contraband " font, and support body is by connecting plate 31 and is arranged on
First wing plate 32 and the second wing plate 33 at the both ends of connecting plate 31 form, and spring 1 and plastic components 2 are arranged on half bag that bearing surrounds
Enclose in shape space.Wherein, spring 1 is flat spring, and one end of flat spring is fixed on the junction of the wing plate 32 of connecting plate 31 and first,
Two electrodes 5 are separately positioned on flat spring and the first wing plate 32, plastic components 2 be arranged on flat spring and the second wing plate 33 it
Between, flat spring is in the energy accumulating state towards the bending of the second wing plate 33.
The overtemperature protection system of the present embodiment is used for the warehouse that highest controls temperature to be 50 DEG C, the heat alarm as auxiliary
Source.Warehouse major temperature control system is that the ventilation equipment of hot temperature signal are gathered using heat-sensitive sensor, and system temperature is less than
At 50 DEG C, illustrate the temperature control system normal operation of master control；When temperature is more than 50 DEG C, illustrate original temperature control system
Failure.This overtemperature protection system structure as shown in figure 1, setting device triggering temperature be 60 DEG C or so, use polycaprolactone material
Plastic components 2, when temperature reaches 60 DEG C, plastic components 2 fuse, and overtemperature protection system work, two electrodes 5 contact, and send out
Go out alarm signal, system for prompting is taken the necessary measures.
The flat spring of the present embodiment and the first wing plate 32 use metal material, and respectively as electrode B and electrode A,
The free end of flat spring and the free end of the first wing plate 32 are equipped with lug boss, facilitate the contact of two electrodes.Electrode A and electrode
B is connected by wire with alarm.In view of 60 DEG C or so of applying working condition temperature, the plastic components of polycaprolactone material are used
2, and it is processed into dumbbell shaped.Plastic components 2 are provided at both ends with screwed hole.By screw by plastic components 2 and electrode B and bearing
Second wing plate 33 is connected, and flat spring (i.e. electrode B) is bent, and electrode A and electrode B state are separation.
It is as follows using process：
(1) electrode A (flat spring) and electrode B (the first wing plate 32) original state are contact.
(2) both ends of plastic components 2 and electrode B and the second wing plate 33 being connected by screw, flat spring is bent,
Electrode A and electrode B state are separation.
(3) when temperature reaches 60 DEG C, plastic components 2 fuse, and flat spring releases energy, recovery of shape, electrode A and electrode B
State is contact.Alarm sends signal, and prompting is taken the necessary measures.
(4) repeat step (2), the multiplexing of realization device.
Embodiment 2
A kind of overtemperature protection system, including plastic components 2 and elastic accessory part, elastic accessory part include bearing and one
End is connected to spring 1 on bearing, and plastic components 2, which are connected between bearing and spring 1, makes spring 1 be in energy accumulating state, and
Broken during overheat, spring 1 is released energy, be equipped with the electrode 5 for being connected with alarm on spring 1 and bearing, two
Individual electrode 5 contacts when spring 1 releases energy, and connects alarm.
Bearing in the present embodiment includes a support body for being in " Contraband " font, and support body is by connecting plate 31 and is arranged on
First wing plate 32 and the second wing plate 33 at the both ends of connecting plate 31 form, and spring 1 and plastic components 2 are arranged on half bag that bearing surrounds
Enclose in shape space.Wherein, spring 1 is helical spring, and one end of helical spring is connected on the medial surface of the first wing plate 32, two
Electrode 5 is separately positioned on the other end of helical spring and the medial surface of the second wing plate 33, and plastic components 2 are located in spiral bullet
In spring, one end of plastic components 2 is fixed on the first wing plate 32, and the other end and helical spring of plastic components 2 are provided with electrode 5
One end connection, make helical spring be in compression energy accumulating state.
The present embodiment is used for electric automobile power battery, the heat alarm source as auxiliary.During battery system normal work
Hot temperature signal is gathered by heat-sensitive sensor and feeds back to temperature control system Lai real-time monitoring temperature, control battery temperature is no more than
80℃.The present embodiment overtemperature protection system uses the polyvinyl chloride of modification, and as plastic components, the fusing point of material is 90 DEG C, this reality
The overtemperature protection system of example is applied usually in working condition is treated, when electrokinetic cell system is due to sensor degradation, joint looseness etc.
When factor causes the temperature control to fail, battery temperature is out of control, more than 80 DEG C, when temperature reaches 90 DEG C, and plastic components fusing, mistake
Thermel protection device works, and two parts contact of electrode, sends alarm signal, system for prompting is taken the necessary measures.Increase this implementation
The overtemperature protection system of example can improve the security of system of electric automobile power battery.
The present embodiment overtemperature protection system as shown in Fig. 2 the helical spring of the present embodiment one end connect an electrode B,
The other end connects the first wing plate 32.Second wing plate 33 uses metal material, and is used as electrode B.Electrode A and electrode B pass through wire
It is connected with alarm.It is 80 DEG C to control temperature in view of certain battery system highest, and this overtemperature protection system uses modified polyvinyl chloride
The plastic components of alkene material, and long column shape is processed into, device triggering temperature is 90 DEG C or so.Plastic components 2 are provided at both ends with card
Mouthful.The both ends of plastic components 2 are connected with electrode B and the second wing plate 33 respectively by bayonet socket.
It is as follows using process：
(1) electrode A and electrode B (the second wing plate 33) original state are contact.
(2) both ends of plastic components 2 and electrode B and bearing one end being connected by bayonet socket, helical spring is compressed,
Electrode A and electrode B state are separation.
(3) when battery system temperature is less than 80 DEG C, the temperature control system normal operation of master control is illustrated；When temperature is more than 80
DEG C when, illustrate the failure of original temperature control system, when temperature, which continues rising, reaches 90 DEG C, plastic components 2 fuse, spiral bullet
Spring releases energy, deformation-recovery, and electrode A and electrode B state are contact.Alarm sends signal, and system for prompting takes necessity to arrange
Apply.
(4) repeat step (2), the multiplexing of realization device.
Embodiment 3
The present embodiment is substantially the same manner as Example 2, and difference is, the plastic components 2 in the present embodiment are in multi-layer thin
It is membranaceous, including the plastic sheeting 21 that multi-disc be arranged in parallel, gap is separated between two neighboring plastic sheeting 21, as shown in Figure 3.
Embodiment 4
The present embodiment is substantially the same manner as Example 1, and difference is, the plastic components 2 in the present embodiment are in tow shape,
Including more plastic cellosilks 22, gap is separated between each plastic cellosilk 22, as shown in figure 4, the adj acent plastic in this implementation
The width in the gap between filament 22 is more than the diameter of plastic cellosilk 22.Be advantageous to connecing for air and each plastic cellosilk
Touch.
Embodiment 5
The present embodiment is substantially the same manner as Example 2, and difference is, the side of the long column shape plastic components 2 of the present embodiment
There is at least one breach in face, easy breakpoint during as over hot melting.
Embodiment 6
The present embodiment is substantially the same manner as Example 1, and difference is, also containing increasing in the plastic material in the present embodiment
Strong fiber, the reinforcing fiber typically use chopped strand, can use glass fibre or carbon fiber etc..
Claims (10)
1. a kind of overtemperature protection system, it is characterised in that including plastic components (2) and elastic accessory part, described is elastic auxiliary
The spring (1) for helping component to be connected to including bearing and one end on bearing, described plastic components (2) are connected to bearing and spring
(1) spring (1) is in energy accumulating state between, and broken in overheat, spring (1) is released energy, described spring
(1) electrode (5) for being connected with alarm and on bearing is equipped with, two electrodes (5) connect when spring (1) releases energy
Touch, connect alarm.
2. a kind of overtemperature protection system according to claim 1, it is characterised in that described bearing is in " Contraband " word including one
The support body of type, described support body by connecting plate (31) and be arranged on connecting plate (31) both ends the first wing plate (32) and
Second wing plate (33) is formed, and described spring (1) and plastic components (2) are arranged in the half-surrounded space that bearing surrounds.
3. a kind of overtemperature protection system according to claim 2, it is characterised in that described spring (1) includes flat spring
Or helical spring；
When described spring (1) is flat spring, one end of flat spring is fixed on the company of connecting plate (31) and the first wing plate (32)
Place is met, two electrodes (5) are separately positioned on flat spring and the first wing plate (32), and plastic components (2) are arranged on flat spring and
Between two wing plates (33), flat spring is set to be in the energy accumulating state towards the second wing plate (33) bending；
When described spring (1) is helical spring, one end of helical spring is connected on the medial surface of the first wing plate (32), and two
Individual electrode (5) is separately positioned on the other end of helical spring and the medial surface of the second wing plate (33), and plastic components (2) are located in
In helical spring, one end of plastic components (2) is fixed on the first wing plate (32), the other end and the spiral bullet of plastic components (2)
One end that spring is provided with electrode (5) connects, and helical spring is in the energy accumulating state of compression.
A kind of 4. overtemperature protection system according to claim 3, it is characterised in that：
When described spring (1) is flat spring, described flat spring and the first wing plate (32) use metal material, and divide
Not Zuo Wei an electrode (5), the free end of the free end of described flat spring and the first wing plate (32) is equipped with lug boss；
When described spring (1) is helical spring, described the second wing plate (33) uses metal material, and is used as an electrode
(5)。
A kind of 5. overtemperature protection system according to claim 1, it is characterised in that the both ends of described plastic components (2)
Connecting portion (4) is equipped with, described connecting portion (4) is detachably connected with bearing and spring (1).
6. according to a kind of any described overtemperature protection system of Claims 1 to 5, it is characterised in that described plastic components (2)
In long column shape, dumbbell shaped, multi-layer thin be membranaceous or tow shape.
7. a kind of overtemperature protection system according to claim 6, it is characterised in that described plastic components (2) are in long column
Shape or dumbbell shaped, when plastic components (2) are in long column shape, there is at least one breach side, easy breakpoint during as over hot melting.
8. a kind of overtemperature protection system according to claim 6, it is characterised in that described plastic components (2) are in multilayer
Film-form or tow shape；
When plastic components (2) are membranaceous in multi-layer thin, described plastic components (2) include the plastic sheeting that multi-disc be arranged in parallel,
Gap is separated between adjacent two panels plastic sheeting；
When plastic components (2) are in tow shape, described plastic components (2) include more plastic cellosilks, each plastic cellosilk
Between be separated with gap.
9. a kind of overtemperature protection system according to claim 1, it is characterised in that described plastic components (2) are using molten
The plastic material that change temperature and the overtemperature of setting match, described plastic material include polycaprolactone, polyvinyl chloride, gathered
Ethene, polypropylene, nylon or polyformaldehyde.
10. a kind of overtemperature protection system according to claim 1 or 9, it is characterised in that also contain in described plastic material
There is reinforcing fiber, described reinforcing fiber includes glass fibre or carbon fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514637.1U CN206789493U (en) | 2017-05-10 | 2017-05-10 | A kind of overtemperature protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514637.1U CN206789493U (en) | 2017-05-10 | 2017-05-10 | A kind of overtemperature protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206789493U true CN206789493U (en) | 2017-12-22 |
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ID=60709401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720514637.1U Expired - Fee Related CN206789493U (en) | 2017-05-10 | 2017-05-10 | A kind of overtemperature protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206789493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017124A (en) * | 2017-05-10 | 2017-08-04 | 李天羿 | A kind of overtemperature protection system |
-
2017
- 2017-05-10 CN CN201720514637.1U patent/CN206789493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017124A (en) * | 2017-05-10 | 2017-08-04 | 李天羿 | A kind of overtemperature protection system |
| CN107017124B (en) * | 2017-05-10 | 2019-12-06 | 李天羿 | overheat protection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20200510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |