CN206330695U - A kind of pressure test device for battery explosion bulge test - Google Patents
A kind of pressure test device for battery explosion bulge test Download PDFInfo
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- CN206330695U CN206330695U CN201621256385.9U CN201621256385U CN206330695U CN 206330695 U CN206330695 U CN 206330695U CN 201621256385 U CN201621256385 U CN 201621256385U CN 206330695 U CN206330695 U CN 206330695U
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- casing
- tube
- pressure
- test device
- battery explosion
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Abstract
The utility model is related to a kind of pressure test device for battery explosion bulge test.Case lid, U-tube, the gravity sensor being placed in casing, pressure gauge, gas tube and the gas pressure sensor coordinated including casing, with casing formation sealing, described U-tube includes U-tube body and the connecting tube being connected with U-tube body, one end of the connecting tube is connected with the welding of U-tube body, the other end of connecting tube is provided with external thread section, and described case lid is provided with the internal thread hole being engaged with external thread section.As shown from the above technical solution, the utility model by gravity sensor by being arranged on box house, battery can be monitored in real time, and force value is extruded caused by case swells under the conditions of overshoot, gas pressure sensor can measure battery in exhaust, the internal pressure value of explosion moment, so that the design of the shell structure and explosion-proof valve for battery provides foundation.
Description
Technical field
The utility model is related to a kind of pressure test device for battery explosion bulge test.
Background technology
Electrokinetic cell is the first choice of current new-energy automobile, according to national relevant regulations, and battery needs to do dependence test, mistake
Fill is exactly one of them.But, thermal expansion, leakage can occur under the conditions of overcharging for battery, or even the situation of explosive failure occur,
This be often battery container and its explosion-proof valve design pressure it is unreasonable caused by, so in order to ensure the security of battery, needing
The pressure change tested inside and outside battery, so that the design of the structure and its explosion-proof valve for battery provides foundation.
Utility model content
The purpose of this utility model is to provide a kind of pressure test device for battery explosion bulge test, and the device can be with
Monitor the change of cell pressure.
To achieve the above object, the utility model employs following technical scheme:Match somebody with somebody including casing, with casing formation sealing
Case lid, U-tube, the gravity sensor being placed in casing, pressure gauge, gas tube and the gas pressure sensor of conjunction, described is U-shaped
Pipe includes U-tube body and the connecting tube being connected with U-tube body, and one end of the connecting tube is connected with the welding of U-tube body,
The other end of connecting tube is provided with external thread section, and described case lid is provided with the internal thread hole being engaged with external thread section.
The open-mouth of the casing is provided with the flange being engaged with case lid, and described case lid passes through bolt phase with flange
Even.
Enclosed in the flange provided with square groove circumferentially, described case lid is provided with to be sealed with groove formation
Sealing gasket is additionally provided with the lug boss of cooperation, described groove.
The lateral surface of the flange is provided with the circular duct connected with box house, described circular duct power supply source line
Pass through with sensing line, the lug boss of the case lid is provided with the breach for being used for avoiding power line and sensing line.
The side inwall of the casing is provided with the undercut for placing gravity sensor, described gravity sensor and sensing line
It is connected, and inwall of the two sides respectively with casing of gravity sensor leans.
Described undercut is arranged on the center of cabinet wall, and side inwall of the casing provided with undercut and is additionally provided with admittedly
Surely the wire casing of line is sensed.
The depth of the undercut is 2~5mm, and the thickness of the gravity sensor is more than the depth of undercut.
The two ends of the U-tube body are connected with pressure gauge and gas tube respectively, and described connecting tube connects with box house
It is logical.
The two ends of the U-tube body are connected with pressure gauge and gas pressure sensor respectively, and described connecting tube is with filling
Tracheae is connected.
Described gas pressure sensor is connected with box house.
As shown from the above technical solution, the utility model, can be real-time by the way that gravity sensor is arranged on into box house
Monitoring battery extrudes force value under the conditions of overshoot caused by case swells, and gas pressure sensor can measure battery and exist
Exhaust, the internal pressure value of explosion moment, so that the design of the shell structure and explosion-proof valve for battery provides foundation.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Fig. 3 is the structural representation of the utility model embodiment three;
Fig. 4 is the structural representation of the utility model casing and case lid;
Fig. 5 is the internal structure schematic diagram of the utility model casing and case lid.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings:
A kind of pressure test device for battery explosion bulge test as shown in Figure 1, Figure 4, Figure 5, including casing 1 and case
Case lid 2, U-tube 3, the gravity sensor 4 being placed in casing 1, pressure gauge 5, gas tube 6 and gas that the formation sealing of body 1 coordinates
Pressure sensor 7, U-tube 3 includes U-tube body 31 and the connecting tube 32 being connected with U-tube body 31, one end of connecting tube 32
Connected with the welding of U-tube body 31, i.e., U-tube 3 is the U-tube of three interfaces, the other end of connecting tube 32 is provided with external thread section, case
Lid 2 is provided with the internal thread hole 23 being engaged with external thread section.
Further, the open-mouth of casing 1 is provided with the flange 11 being engaged with case lid 2, and case lid 2 passes through with flange 11
Bolt is connected.
Further, the interior of flange 11 is enclosed provided with square groove 12 circumferentially, and case lid 2 is provided with and the shape of groove 12
Sealing gasket is additionally provided with the lug boss 21 coordinated into sealing, groove 12.It can be appreciated that being provided with class between case lid 2 and casing 1
Like the seal area of river course structure, be additionally provided with seal area be all river course structure sealing gasket, sealing gasket can make case lid and casing
It is brought into close contact sealing.
Further, the lateral surface of flange 11 is provided with the circular duct 13 connected with the inside of casing 1, and circular duct 13 is supplied
Power line passes through with sensing line, and the lug boss 21 of case lid 2 is provided with the breach 22 for being used for avoiding power line and sensing line.More enter one
Step, circular duct 13 sets three, wherein the circular duct 13 of two is used for fixing seal power line, middle circular duct
13, which are used for fixing seal, senses line.
Further, the side inwall of casing 1 is provided with the undercut 14 for placing gravity sensor 4, and gravity sensor 4 is with passing
Feel line to be connected, and inwall of the two sides respectively with casing 1 of gravity sensor 4 leans.Further, the depth of undercut 14
For 2~5mm, side and the cabinet wall of depth of the thickness more than undercut 14 of gravity sensor 4, that is, gravity sensor 4
Directly contact, gravity sensor 4 is connected by sensing line with extraneous data logger.
Further, undercut 14 is arranged on the center of the inwall of casing 1, and casing 1 is provided with the side inwall of undercut 14
On be additionally provided with the wire casing 15 of fixed sensing line.
The utility model by U-tube 3 and pressure gauge 5, gas tube 6, gas pressure sensor 7 various combination can be real
Existing different effect, it is specific as follows:
Embodiment one:Detect the sealing of casing.
As shown in figure 1, the two ends of U-tube body 31 are connected with pressure gauge 5 and gas tube 6 respectively, connecting tube 32 and casing 1
Inside connection.Pressure gauge 5 and gas tube 6 are respectively connecting to the two ends interface of U-tube body 31, by the outer of connecting tube 32
Thread segment is screwed into the internal thread hole 23 on case lid 2, realizes the connection with the inner chamber of casing 1.Filled by gas tube 6 into casing 1
Enter air, stop inflation when the reading of pressure gauge 5 is about the 1/3 of range, now observe the change of the reading of pressure gauge 5, if
The reading of pressure gauge 5 then illustrates that the sealing of casing 1 is good without significant change in the corresponding time;If the reading of pressure gauge 5 declines
Whether the connected mode that should substantially reexamine casing 1 is correct.
Embodiment two:Verify the accuracy of gas pressure sensor.
As shown in Fig. 2 the two ends of U-tube body 31 are connected with pressure gauge 5 and gas pressure sensor 7 respectively, connecting tube
32 are connected with gas tube 6.Pressure gauge and gas pressure sensor are respectively connecting to the two ends interface of U-tube body 31,
Connecting tube 32 is connected with gas tube, inflated by gas tube to U-tube, is stopped when pressure gauge reading is about the 1/3 of range
Inflation, observes the display reading of manometric reading and gas pressure sensor, if the scope that both readings allow in error
It is interior, then illustrate that gas pressure sensor is normal, otherwise, gas pressure sensor should be changed.
Embodiment three:Test battery burst pressure.
As shown in figure 3, gas pressure sensor is connected with the internal thread hole on case lid, realize gas pressure sensor with
The connection of cabinets cavity.
In summary, the utility model provides a kind of pressure test device for battery explosion bulge test, by U-tube and
Pressure gauge, gas tube, the various combination of gas pressure sensor can detect the sealing and gas pressure sensor of casing
Accuracy, battery can be measured simultaneously under the conditions of overcharging due to case swells by gravity sensor and gas pressure sensor
Caused by extruding force value and battery explosion minute internal gas pressure value so that shell structure and explosion-proof valve for battery
Design provides foundation.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, on the premise of the utility model design spirit is not departed from, and those of ordinary skill in the art are to this
Various modifications and improvement that the technical scheme of utility model is made, all should fall into the protection of the utility model claims determination
In the range of.
Claims (10)
1. a kind of pressure test device for battery explosion bulge test, it is characterised in that:Including casing(1)With casing(1)Formed
Seal the case lid coordinated(2), U-tube(3), be placed in casing(1)Interior gravity sensor(4), pressure gauge(5), gas tube(6)And
Gas pressure sensor(7), described U-tube(3)Including U-tube body(31)And with U-tube body(31)Connected connection
Pipe(32), the connecting tube(32)One end and U-tube body(31)Welding connection, connecting tube(32)The other end be provided with outer spiral shell
Line section, described case lid(2)Provided with the internal thread hole being engaged with external thread section(23).
2. the pressure test device according to claim 1 for battery explosion bulge test, it is characterised in that:The casing
(1)Open-mouth be provided with and case lid(2)The flange being engaged(11), described case lid(2)With casing(1)On flange
(11)It is connected by bolt.
3. the pressure test device according to claim 2 for battery explosion bulge test, it is characterised in that:The flange
(11)In enclose the square groove provided with circumferentially(12), described case lid(2)It is provided with and groove(12)Sealing is formed to match somebody with somebody
The lug boss of conjunction(21), described groove(12)Inside it is additionally provided with sealing gasket.
4. the pressure test device according to claim 2 for battery explosion bulge test, it is characterised in that:The flange
(11)Lateral surface be provided with and casing(1)The circular duct of inside connection(13), described circular duct(13)Power supply source line with
Sensing line passes through, the case lid(2)Lug boss(21)It is provided with the breach for being used for avoiding power line and sensing line(22).
5. the pressure test device according to claim 1 for battery explosion bulge test, it is characterised in that:The casing
(1)Side inwall provided with place gravity sensor(4)Undercut(14), described gravity sensor(4)With sensing line phase
Connect, and gravity sensor(4)Two sides respectively with casing(1)Inwall lean.
6. the pressure test device according to claim 5 for battery explosion bulge test, it is characterised in that:Described undercut
(14)It is arranged on casing(1)The center of inwall, and casing(1)Provided with undercut(14)Side inwall on be additionally provided with fixed biography
Feel the wire casing of line(15).
7. the pressure test device according to claim 5 for battery explosion bulge test, it is characterised in that:The undercut
(14)Depth be 2~5mm, the gravity sensor(4)Thickness be more than undercut(14)Depth.
8. the pressure test device according to claim 1 for battery explosion bulge test, it is characterised in that:The U-tube
Body(31)Two ends respectively with pressure gauge(5)And gas tube(6)It is connected, described connecting tube(32)With casing(1)Inside connects
It is logical.
9. the pressure test device according to claim 1 for battery explosion bulge test, it is characterised in that:The U-tube
Body(31)Two ends respectively with pressure gauge(5)And gas pressure sensor(7)It is connected, described connecting tube(32)With gas tube
(6)It is connected.
10. the pressure test device according to claim 1 for battery explosion bulge test, it is characterised in that:Described gas
Pressure sensor(7)With casing(1)Inside connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621256385.9U CN206330695U (en) | 2016-11-19 | 2016-11-19 | A kind of pressure test device for battery explosion bulge test |
Applications Claiming Priority (1)
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CN201621256385.9U CN206330695U (en) | 2016-11-19 | 2016-11-19 | A kind of pressure test device for battery explosion bulge test |
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Publication Number | Publication Date |
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CN206330695U true CN206330695U (en) | 2017-07-14 |
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ID=59288769
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CN201621256385.9U Active CN206330695U (en) | 2016-11-19 | 2016-11-19 | A kind of pressure test device for battery explosion bulge test |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112857784A (en) * | 2021-03-08 | 2021-05-28 | 南德西交轨道交通技术(江苏)有限公司 | Tire blasting shielding case safety performance testing method and system |
-
2016
- 2016-11-19 CN CN201621256385.9U patent/CN206330695U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112857784A (en) * | 2021-03-08 | 2021-05-28 | 南德西交轨道交通技术(江苏)有限公司 | Tire blasting shielding case safety performance testing method and system |
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