CN109060255A - A kind of power battery pack heat management system air-tightness detection tool and detection system - Google Patents
A kind of power battery pack heat management system air-tightness detection tool and detection system Download PDFInfo
- Publication number
- CN109060255A CN109060255A CN201811302097.6A CN201811302097A CN109060255A CN 109060255 A CN109060255 A CN 109060255A CN 201811302097 A CN201811302097 A CN 201811302097A CN 109060255 A CN109060255 A CN 109060255A
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- China
- Prior art keywords
- swelling
- management system
- power battery
- vent rod
- battery pack
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- 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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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
Abstract
The present invention relates to a kind of power battery pack heat management system air-tightness detection tool and detection systems, detecting tool includes vent rod, swelling bar and elastic swelling portion, the elasticity swelling portion is set on the lateral wall of described vent rod one end, and the swelling bar is threaded on the lateral wall in the middle part of the vent rod and one end is arranged close to the elastic swelling portion.Air-tightness detection tool of the invention, by the way that elastic swelling portion is arranged on the lateral wall of vent rod, when connector is connected in power battery pack management system, it can be realized by elastic swelling portion and be tightly connected with power battery pack management system, detecting tool structure is simple, operation is convenient, maintenance convenience.
Description
Technical field
The present invention relates to new-energy automobile fields, and in particular to a kind of power battery pack heat management system air-leakage test work
Dress and detection system.
Background technique
Core component of the battery system as pure electric automobile, safety will directly influence the vehicle of electric car
Energy and driving safety.In order to guarantee that battery thermal management system can be safely operated, must be requested that battery thermal management system antiseep；
In order to avoid cooling water causes short circuit after entering battery pack, danger is caused, generates heavy losses, or even threaten the person of driver and passenger
Safety.Therefore, before battery system factory, generally its battery thermal management system leakproofness can all be detected, battery management system
Unified denier leaks, and battery pack water inlet is bound to cause security risk.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of power battery pack heat management
System air-tightness detection tool and detection system.
The technical scheme to solve the above technical problems is that a kind of power battery pack heat management system air-tightness inspection
Tooling is surveyed, including vent rod, swelling bar and elastic swelling portion, the elasticity swelling portion are set in the outside of described vent rod one end
On wall, the swelling bar is threaded on the lateral wall in the middle part of the vent rod and one end is set close to the elastic swelling portion
It sets.
The beneficial effects of the present invention are: air-tightness detection tool of the invention, by being arranged on the lateral wall of vent rod
Elastic swelling portion when connector is connected in power battery pack management system, can pass through the realization of elastic swelling portion and power battery
Reason system sealing connection is assured, detecting tool structure is simple, operation is convenient, maintenance convenience.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the elastic swelling portion includes several distensible rings, and several distensible rings are set in the vent rod one
On the lateral wall at end.
Beneficial effect using above-mentioned further scheme is: using several distensible rings, may be implemented multi-sealed.
Further, the elastic swelling portion further includes several washers, and several washers are set in described vent rod one end
Lateral wall on, be fixed on one end lateral wall of the vent rod close to the washer of described vent rod one end end.
Beneficial effect using above-mentioned further scheme is: the distensible ring that is set as of several washers plays positioning action,
When being also prevented from detecting tool and extracting from power battery pack heat management system, distensible ring falls off.
Further, several washers and several distensible rings are staggered.
Beneficial effect using above-mentioned further scheme is: several washers and several distensible rings being staggered, are prevented swollen
The phenomenon that being overlapped mutually between collar, and make the swelling active forces of several distensible rings more evenly, the seal section of vent rod
Longer, sealing effect is more preferable.
Further, the distensible ring is silica gel ring.
Beneficial effect using above-mentioned further scheme is: using silica gel ring as distensible ring, making vent rod and power electric
The sealing effect of pond packet heat management system is more preferable.
Further, spanner is removably connected on the lateral wall of the swelling bar.
Beneficial effect using above-mentioned further scheme is: it is detachably connected spanner on the lateral wall of swelling bar, it is convenient
It operates swelling bar and realizes swelling.
Further, the other end of the vent rod is stretched out out of described swelling bar and is detachably connected on its lateral wall and pulls
Hand.
Beneficial effect using above-mentioned further scheme is: spanner is set on vent rod, facilitate operation vent rod with it is swollen
Tight bar connection, further realizes swelling effect.
Further, the vent rod includes the thread segment and swelling section of integrally connected, the thread segment and the swelling section
A circle step is formed on the lateral wall of junction, swelling bar one end radially extends inwardly to form a circle inner ring side,
The thread segment is threaded on the inner sidewall of the swelling bar and the step is adapted to the inner ring side, the swelling section
It is pierced by the middle part of the inner ring side and is arranged the elastic swelling portion on its lateral wall.
Beneficial effect using above-mentioned further scheme is: step being arranged on vent rod, inner ring is arranged on swelling bar
Side can be acted synergistically by vent rod and swelling bar, realize swelling effect.
Further, the other end of the vent rod is stretched out out of described swelling bar forms a handling section, the handling section
Outer diameter is greater than the outer diameter of the vent rod other parts.
Beneficial effect using above-mentioned further scheme is: handling section is set on vent rod, it can be in the inside of handling section
Open up the biggish air inlet of internal diameter, the convenient connection with other component.
A kind of power battery pack heat management system air tightness detection system, including the detecting tool, high-pressure air source, inspection
Instrument, power battery thermal management system water-cooled plate are surveyed, one end of the vent rod is plugged on the power battery thermal management system water
Be tightly connected in the water inlet of cold plate and by the inner wall of elastic swelling portion and the water inlet, the other end of the vent rod with
The detector has high-pressure air source by piping connection by piping connection, the detector.
The beneficial effects of the present invention are: detection system of the invention, may be implemented the quick detection of water cooling pipeline, operation is just
Victory, maintenance convenience, can intuitively observe testing result, nor will affect battery pack heat management system internal security.This
The detection system of invention has played important function during practical heat management system quality is managed, and effectively detected bad
Product avoid bad products from flowing into client.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of detecting tool of the invention；
Fig. 2 is the B-B cross-sectional schematic of Fig. 1；
Fig. 3 is the exploded perspective structural schematic diagram of detecting tool of the invention；
Fig. 4 is the structural schematic diagram of detection system of the invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, vent rod；11, circlip；12, thread segment；13, swelling section；14, step；15, handling section；16, air inlet section；17,
Air-leakage test channel；18, the first slide unit；
2, swelling bar；21, inner ring side；
3, elastic swelling portion；31, washer；32, distensible ring；
4, spanner；41, sliding slot；
100, detecting tool；200, high-pressure air source；300, detector；400, power battery thermal management system water-cooled plate；
401, water inlet；500, pipeline.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and illustrated embodiment is served only for explaining the present invention,
It is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1-Figure 3, a kind of power battery pack heat management system air-tightness detection tool of the present embodiment, including it is logical
Gas bar 1, swelling bar 2 and elastic swelling portion 3, the elasticity swelling portion 3 are set on the lateral wall of described 1 one end of vent rod, institute
It states on the lateral wall that swelling bar 2 is threaded in the middle part of the vent rod 1 and one end is arranged close to the elastic swelling portion 3.
When in use, first swelling bar 2 is tightened on the ventilation bars 1, then twists vent rod 1, while vent rod 1 moves down,
Also swelling bar 2 is driven to move down, swelling bar 2 can push elastic swelling portion 3 to move down and realize the swelling with air inlet
Cooperation.
Wherein, 1 middle part of vent rod offers air-leakage test channel 17 along its axial direction.
The air-tightness detection tool of the present embodiment, by the way that elastic swelling portion, connector are arranged on the lateral wall of vent rod
When being connected in power battery pack management system, it can be realized by elastic swelling portion and be connected with the sealing of power battery pack management system
It connects, detecting tool structure is simple, operation is convenient, maintenance convenience.
As shown in Figure 1-Figure 3, the embodiment of the present invention elasticity swelling portion 3 includes several distensible rings 32, several swellings
Circle 32 is set on the lateral wall of described 1 one end of vent rod.Using several distensible rings, may be implemented multi-sealed.
As shown in Figure 1-Figure 3, the embodiment of the present invention elasticity swelling portion 3 further includes several washers 31, several washers
31 are set on the lateral wall of described 1 one end of vent rod, and the washer 31 close to 1 one end end of vent rod is fixed on institute
It states on one end lateral wall of vent rod 1.The distensible ring that is set as of several washers plays positioning action, be also prevented from detecting tool from
When extracting in power battery pack heat management system, distensible ring falls off.
As shown in Figure 1-Figure 3, several washers 31 in the present embodiment and several distensible rings 32 are staggered.It will
Several washers are staggered with several distensible rings, prevent the phenomenon that being overlapped mutually between distensible ring, and make several swellings
More evenly, the seal section of vent rod is longer, and sealing effect is more preferable for the swelling active force of circle.
One preferred embodiment of the present embodiment is that the distensible ring 32 is silica gel ring.Using silica gel ring as distensible ring, make
The sealing effect of vent rod and power battery pack heat management system is more preferable.
As shown in Figure 1-Figure 3, spanner 4 is removably connected on the lateral wall of the embodiment of the present invention swelling bar 2.In swelling
It is detachably connected spanner on the lateral wall of bar, operation swelling bar is facilitated to realize swelling.
As shown in Figure 1-Figure 3, the other end of the embodiment of the present invention vent rod 1 stretches out out of described swelling bar 2 and outside it
Spanner 4 is detachably connected on side wall.Spanner is set on vent rod, operation vent rod is facilitated to connect with swelling bar, it is further real
Existing swelling effect.
Wherein, a connecting cylinder is equipped in the middle part of the spanner 4, on lateral wall integrally connected there are two otic placode, connecting cylinder it is interior
Side wall is equipped with a sliding slot 41 axially arranged along it, and the lateral wall of the vent rod 1 is equipped with the first slide unit 18, the swelling
Bar 2 is equipped with the second slide unit, and the spanner 4 on vent rod 1 is axially positioned on ventilation by the cooperation of sliding slot 41 and the first slide unit 18
On the lateral wall of bar 1, the spanner 4 on swelling bar 2 is axially positioned on the outer of swelling bar 2 by the cooperation of sliding slot 41 and the second slide unit
On side wall.Spanner 4 on vent rod 1 is axially positioned on the lateral wall of vent rod 1 by two circlips 11, on swelling bar 2
Spanner 4 is axially positioned on the lateral wall of swelling bar 2 by two circlips 11.In addition, the vent rod 1 and swelling bar 2 is outer
The annular groove of the installation of circlip 11 is respectively provided on side wall, so that circlip is connected to the lateral wall of vent rod 1 or swelling bar 2
On.
As shown in Figures 2 and 3, the embodiment of the present invention vent rod 1 includes the thread segment 12 and swelling section 13 of integrally connected,
A circle step 14,2 one end edge of swelling bar are formed on the thread segment 12 and the lateral wall of 13 junction of swelling section
It extends radially inwardly to form a circle inner ring side 21, the thread segment 12 be threaded on the inner sidewall of the swelling bar 2 and
The step 14 is adapted to the inner ring side 21, and the swelling section 13 is pierced by the middle part of the inner ring side 21 and covers on its lateral wall
If the elasticity swelling portion 3.Step is set on vent rod, inner ring side is set on swelling bar, it can be by vent rod and swollen
Tight bar synergistic effect, realizes swelling effect.
As shown in Figure 1-Figure 3, the other end of the embodiment of the present invention vent rod 1 stretches out formation one out of described swelling bar 2
Handling section 15, the outer diameter of the handling section 15 are greater than the outer diameter of 1 other parts of vent rod.It is arranged on vent rod hand-held
Section can open up the biggish air inlet of internal diameter, the convenient connection with other component in the inside of handling section.
As shown in Figure 1-Figure 3, it is additionally provided with one section of air inlet section 16 on the vent rod 1 of the present embodiment, which integrally connects
It connects on the lateral wall of swelling section 13, and the outer diameter of this section is less than the outer diameter of swelling section 13.The setting of air inlet section also mentions for air inlet
Certain guiding role has been supplied, has prevented gas from directly discharging from swelling section and concentrating on a part of gas near elastic swelling portion
And leakproofness is impacted.
Wherein, air-leakage test channel 17 is equipped in the vent rod 1 to divide for interface channel and inlet channel, wherein connecting
Channel is corresponding with handling section 15 and a part of thread segment 12, the thread segment 12 and swelling section 13 of inlet channel and remainder
It is corresponding.The internal diameter of the interface channel is greater than the internal diameter of inlet channel, and interface channel is mainly used for and piping connection, and air inlet
Channel is mainly used for the flowing of gas.
A kind of power battery pack heat management system air-tightness detection tool of the present embodiment when in use, first will ventilation
The swelling section of bar is inserted into air inlet, then realizes ventilation by twisting the spanner on spanner or vent rod on swelling bar manually
The inner sidewall in elastic swelling portion and air inlet on the outside of bar swelling section is fitted close.
Embodiment 2
As shown in figure 4, a kind of power battery pack heat management system air tightness detection system of the present embodiment, including described
Detecting tool 100, high-pressure air source 200, detector 300, power battery thermal management system water-cooled plate 400, the one of the vent rod 1
End be plugged in the water inlet 401 of the power battery thermal management system water-cooled plate 400 and by elastic swelling portion 3 with it is described into
The inner wall at the mouth of a river 401 is tightly connected, and the other end of the vent rod 1 is connect with the detector 300 by pipeline 500, described
Detector 300 is connected with high-pressure air source 200 by pipeline 500.
The detection system of the present embodiment when in use, will test tooling and be mounted on power battery thermal management system water cooling
In the air inlet of plate, then will test tooling and high-pressure air source and pass through pipeline respectively and connect with detector, open high-pressure air source to
It is passed through gas in air inlet, passes through the air-tightness of detector test whole system.
The detection system of the present embodiment, may be implemented the quick detection of water cooling pipeline, and it is convenient to operate, maintenance convenience, can be with
Intuitive observation testing result, nor will affect battery pack heat management system internal security.Detection system of the invention exists
Important function has been played during practical heat management system quality control, defective products has effectively been detected, avoids bad products
Flow into client.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of power battery pack heat management system air-tightness detection tool, which is characterized in that including vent rod, swelling bar and bullet
Property swelling portion, the elasticity swelling portion is set on the lateral wall of described vent rod one end, and the swelling bar is threaded in institute
It states on the lateral wall in the middle part of vent rod and one end is arranged close to the elastic swelling portion.
2. a kind of power battery pack heat management system air-tightness detection tool according to claim 1, which is characterized in that described
Elastic swelling portion includes several distensible rings, and several distensible rings are set on the lateral wall of described vent rod one end.
3. a kind of power battery pack heat management system air-tightness detection tool according to claim 2, which is characterized in that described
Elastic swelling portion further includes several washers, and several washers are set on the lateral wall of described vent rod one end, close to described
The washer of vent rod one end end is fixed on one end lateral wall of the vent rod.
4. a kind of power battery pack heat management system air-tightness detection tool according to claim 3, which is characterized in that several
The washer and several distensible rings are staggered.
5. according to a kind of any one of claim 2 to 4 power battery pack heat management system air-tightness detection tool, feature
It is, the distensible ring is silica gel ring.
6. a kind of power battery pack heat management system air-tightness detection tool according to claim 1, which is characterized in that described
Spanner is removably connected on the lateral wall of swelling bar.
7. a kind of power battery pack heat management system air-tightness detection tool according to claim 1, which is characterized in that described
The other end of vent rod stretches out out of described swelling bar and is detachably connected spanner on its lateral wall.
8. according to claim 1 to a kind of any one of 4,6 to 7 power battery pack heat management system air-tightness detection tools,
It is characterized in that, the vent rod includes the thread segment and swelling section of integrally connected, the thread segment is connected with the swelling section
A circle step is formed on the lateral wall at place, swelling bar one end radially extends inwardly to form a circle inner ring side, described
Thread segment is threaded on the inner sidewall of the swelling bar and the step is adapted to the inner ring side, and the swelling section is from institute
It states and the elastic swelling portion is pierced by and be arranged on its lateral wall in the middle part of inner ring side.
9. a kind of power battery pack heat management system air-tightness detection tool according to claim 8, which is characterized in that described
The other end of vent rod is stretched out out of described swelling bar forms a handling section, the outer diameter of the handling section be greater than the vent rod its
The outer diameter of his part.
10. a kind of power battery pack heat management system air tightness detection system, which is characterized in that any including claim 1 to 9
It inserts one end of detecting tool, high-pressure air source, detector, power battery thermal management system water-cooled plate described in, the vent rod
It connects in the water inlet of the power battery thermal management system water-cooled plate and by the inner wall in elastic swelling portion and the water inlet
It is tightly connected, by piping connection, the detector has by piping connection for the other end of the vent rod and the detector
High-pressure air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302097.6A CN109060255A (en) | 2018-11-02 | 2018-11-02 | A kind of power battery pack heat management system air-tightness detection tool and detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302097.6A CN109060255A (en) | 2018-11-02 | 2018-11-02 | A kind of power battery pack heat management system air-tightness detection tool and detection system |
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| Publication Number | Publication Date |
|---|---|
| CN109060255A true CN109060255A (en) | 2018-12-21 |
Family
ID=64789094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811302097.6A Pending CN109060255A (en) | 2018-11-02 | 2018-11-02 | A kind of power battery pack heat management system air-tightness detection tool and detection system |
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Cited By (2)
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| CN109556800A (en) * | 2018-12-26 | 2019-04-02 | 芜湖普威技研有限公司 | New energy car battery wraps lower case air-tightness detection tool |
| CN115112307A (en) * | 2022-08-31 | 2022-09-27 | 山东鼎泰新能源有限公司 | New energy automobile battery package leakproofness test equipment |
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