CN108426685A - A kind of vehicle-mounted main drive battery case airtight detecting apparatus - Google Patents
A kind of vehicle-mounted main drive battery case airtight detecting apparatus Download PDFInfo
- Publication number
- CN108426685A CN108426685A CN201810461565.8A CN201810461565A CN108426685A CN 108426685 A CN108426685 A CN 108426685A CN 201810461565 A CN201810461565 A CN 201810461565A CN 108426685 A CN108426685 A CN 108426685A
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- China
- Prior art keywords
- battery case
- entire car
- car controller
- main drive
- drying bottle
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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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of vehicle-mounted main drive battery case airtight detecting apparatus,Including vehicle network interconnecting terminal TBOX,Entire car controller VCU,Inflating pump,Drying bottle,Pressure sensor,Bidirectional electromagnetic valve,Main drive battery case,Relay,Vehicle network interconnection terminal TBOX passes through CAN communication line diconnected entire car controller VCU,Entire car controller VCU is by communication line with I/O signal unilaterally connected bidirectional electromagnetic valves,Pressure sensor is by communication line with analog signals unilaterally connected entire car controller VCU,Entire car controller VCU is by communication line with I/O signal control relays,Relay is connected to inflating pump by cable,Inflating pump passes through middle siphunculus road unilaterally connected drying bottle,Drying bottle passes through middle siphunculus road unilaterally connected pressure sensor,Pressure sensor unilaterally connected bidirectional electromagnetic valve,The main drive battery case of bidirectional electromagnetic valve diconnected.Advantages of the present invention：Have many advantages, such as that cost that is simple and reliable, automatically controlling is low, can realize vehicle-mounted automatic detection warning and energy data are sent in real time.
Description
Technical field
The present invention relates to the packet safety detection technology fields new energy car battery PACK, in particular to a kind of vehicle-mounted main drive electricity
Pond case airtight detecting apparatus.
Background technology
As country supports and promotes the use of clean energy energetically, and people’s lives level greatly improves, every household base
Originally it has been equipped with automobile, then the security performance of new-energy automobile is one that people particularly pay attention to when automobile is bought in selection
Item, evaluation new-energy automobile security performance are related to many safety indexs, wherein just including the main detection for driving battery case air-tightness.
The main equipment for driving the airtight detection of battery case is currently used for be substantially by external air source, diaphragm valve, shut-off valve, pressure
Table and product to be tested composition, each component part are sequentially connected in series connection to realize the detection to testee by tracheae respectively；It is existing
Detection device due to volume is big, without the system of drying process and without gas storage system so that air pump output pressure high temperature hot gas will
It is directly contacted with tested product, generated steam has corrosion to be tested product risk.
Invention content
The present invention is above-mentioned various in order to solve the problems, such as, provide a kind of electric system is simple and reliable, automatically control at
This is low, can realize vehicle-mounted automatic detection warning and can the vehicle-mounted main drive battery case airtight detecting apparatus that sends in real time of data.
In order to solve the above technical problems, technical solution provided by the invention is：A kind of airtight detection of vehicle-mounted main drive battery case
Equipment, including vehicle network interconnecting terminal TBOX, entire car controller VCU, inflating pump, drying bottle, pressure sensor, bi-directional electromagnetic
Valve, main drive battery case, relay, the vehicle network interconnection terminal TBOX pass through CAN communication line diconnected full-vehicle control
Device VCU, the entire car controller VCU are by communication line with I/O signal unilaterally connected bidirectional electromagnetic valves, the pressure sensing
Device by communication line with analog signals unilaterally connected entire car controller VCU, the entire car controller VCU by communication line with
I/O signal control relays, the relay are connected to inflating pump by cable, and the inflating pump is unidirectional by middle siphunculus road
It is connected to drying bottle, the drying bottle is by middle siphunculus road unilaterally connected pressure sensor, during the pressure sensor passes through
Siphunculus road unilaterally connected bidirectional electromagnetic valve, the bidirectional electromagnetic valve pass through the main drive battery case of middle siphunculus road diconnected.
The advantages of the present invention over the prior art are that：In the use of the present invention, vehicle network interconnection terminal can be passed through
The main drive battery case of TBOX real-time dynamic monitorings seals situation, drying of the gas because having passed through drying bottle for detection, it can be ensured that
It dries, without conducting liquid；It can effectively prevent due to accident of leaking electricity caused by box deformation, extruding, aging etc.；When detection battery
Case, which has breakage risk and vehicle to have detected that, can effectively open emergency measure under insulation fault, conducting liquid is avoided to enter battery
Inside case, required electrical control system is simple, reliable.
As an improvement, hydraulic device and the controller for controlling hydraulic device are equipped in described drying bottle a side,
The hydraulic device is equipped with distance rod, slide bar is equipped in the drying bottle, the slide bar is equipped with baffle, described
Baffle has several, is equipped with the chain that is connected with for baffle of water-absorbing sponge between the baffle, the distance rod and its
The baffle of middle a side is connected, and the baffle of another side is connected by chain with drying bottle, and the drying bottle is equipped with hydraulic pressure
The medial surface of device is equipped with humidity sensor, and the opposite face that the drying bottle is equipped with the face of humidity sensor is equipped with limit
Pressure sensor, such design can make without adding any drier in drying bottle, and the water-absorbing sponge is reusable, section
Saved cost, at the same hydraulic device, humidity sensor, limit pressure sensor and controller compound action can make water-absorbing sponge
It is voluntarily squeezed out after being saturated with water, it is automatical and efficient.
As an improvement, being equipped with through-hole below the drying bottle, the lower section of the drying bottle is equipped with arc sink, institute
The arc sink stated is equipped with dewatering orifice, and the dewatering orifice is equipped with the round valve for controlling dewatering orifice switch, Ci Zhongshe
The water that meter can be such that water-absorbing sponge squeezes out has the position held, puts a water at regular intervals.
Description of the drawings
Fig. 1 is a kind of vehicle-mounted main structural schematic diagram for driving battery case airtight detecting apparatus of the present invention.
Fig. 2 is a kind of positive structure diagram of the vehicle-mounted main drying bottle for driving battery case airtight detecting apparatus of the present invention.
Fig. 3 is a kind of overlooking structure diagram of the vehicle-mounted main drying bottle for driving battery case airtight detecting apparatus of the present invention
As shown in the figure：1, vehicle network interconnection terminal TBOX；2, entire car controller VCU；3, inflating pump；4, drying bottle；5、
Pressure sensor；6, bidirectional electromagnetic valve；7, main drive battery case；8, relay；9, hydraulic device；10, distance rod；11, slide bar；
12, baffle；13, water-absorbing sponge；14, chain；15, controller；16, through-hole；17, arc sink；18, dewatering orifice；19, round
Valve；20, humidity sensor；21, pressure sensor is limited.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings.
In conjunction with attached drawing 1, a kind of vehicle-mounted main drive battery case airtight detecting apparatus, including it is vehicle network interconnecting terminal TBOX1, whole
Vehicle controller VCU2, inflating pump 3, drying bottle 4, pressure sensor 5, bidirectional electromagnetic valve 6, main drive battery case 7, relay 8, it is described
Vehicle network interconnection terminal TBOX1 pass through CAN communication line diconnected entire car controller VCU2, the entire car controller
VCU2 is by communication line with I/O signal unilaterally connecteds bidirectional electromagnetic valve 6, and the pressure sensor 5 is by communication line to simulate
It measures signal unilaterally connected entire car controller VCU2, the entire car controller VCU2 and relay is controlled with I/O signals by communication line
Device 8, the relay 8 are connected to inflating pump 3 by cable, and the inflating pump 3 passes through middle siphunculus road unilaterally connected drying bottle
4, the drying bottle 4 passes through middle siphunculus road by middle siphunculus road unilaterally connected pressure sensor 5, the pressure sensor 5
Unilaterally connected bidirectional electromagnetic valve 6, the bidirectional electromagnetic valve 6 pass through the main drive battery case of middle siphunculus road diconnected 7.
Hydraulic device 9 and the controller 15 for controlling hydraulic device 9 are equipped in described 4 a side of drying bottle, it is described
Hydraulic device 9 be equipped with distance rod 10, slide bar 11 is equipped in the drying bottle 4, the slide bar 11 is equipped with baffle 12,
The baffle 12 has several, and the chain 14 that water-absorbing sponge 13 is connected with for baffle 12 is equipped between the baffle 12,
The distance rod 10 is connected with the baffle 12 of wherein a side, and the baffle 12 of another side passes through chain 14 and drying bottle 4
It is connected, the medial surface that the drying bottle 4 is equipped with hydraulic device 9 is equipped with humidity sensor 20, and the drying bottle 4 is equipped with wet
The opposite face for spending the face of sensor 20 is equipped with limit pressure sensor 21.
Through-hole 16 is equipped with below the drying bottle 4, the lower section of the drying bottle 4 is equipped with arc sink 17, described
Arc sink 17 be equipped with dewatering orifice 18, the dewatering orifice 18 be equipped with for control dewatering orifice 18 switch round valve
19。
The specific implementation mode of the present invention：In the use of the present invention, a pre- level pressure is arranged first on pressure sensor 5
Force value is arranged another scheduled pressure value on limit pressure sensor 21, a predetermined moisture is arranged on humidity sensor 20
Then angle value issues an instruction to attracting electric relay 8 using entire car controller VCU 2, while entire car controller VCU 2 is by communication
Line I/O signal conductions bidirectional electromagnetic valve 6 and simultaneously entire car controller VCU 2 detect pressure in real time by communication line analog signals
Numerical value on sensor 5；Then inflating pump 3 is set to start to work by relay 8；High pressure gas passes through caused by inflating pump 3
The series connection of pipeline passes through drying bottle 4, pressure sensor 5, bidirectional electromagnetic valve 6, main drive battery case 7 respectively；During this, vehicle control
The pressure change of 2 monitoring pressure in real time sensors 5 of device VCU processed；When entire car controller VCU 2 monitors that pressure reaches pre- level pressure
After force value, pass through I/O signal-off bidirectional electromagnetic valve 6；After bidirectional electromagnetic valve 6 is closed, entire car controller VCU 2 passes through communication line
Analog signals monitor the signal intensity of pressure sensor 5, if signal intensity value is within a predetermined range, full-vehicle control in real time
Device VCU 2 sends result to vehicle network interconnecting terminal TBOX 1, by vehicle network interconnecting terminal TBOX 1 by CAN communication line
It is forwarded to data backstage, while communication line I/O signal conductions bidirectional electromagnetic valve 6 is passed through by battery case by entire car controller VCU 2
Then interior high pressure relief passes through I/O signal-off bidirectional electromagnetic valve 6 to normal atmosphere (An) by entire car controller VCU 2；If
The signal intensity that entire car controller VCU 2 monitors pressure sensor 5 in real time by communication line analog signals exceeds predetermined value, then
Entire car controller VCU 2 sends result to vehicle network interconnecting terminal TBOX 1, by vehicle network interconnection end by CAN communication line
End TBOX 1 is forwarded to data backstage and shows fault cues；It is 1 grade that vehicle security mechanism, which can report insulation fault slightly, is secondly 2
Grade, last 3 grades, when vehicle is paddled, battery case steeps in water, and when having leakage, and entire car controller VCU2 detects that vehicle is exhausted
When reason hinders 2 grades of alarms, above-mentioned testing process is repeated, when discovery entire car controller VCU 2 passes through communication line analog signals reality
When monitoring pressure sensor 5 signal intensity value outside the predetermined range when, then entire car controller VCU 2 by communication line with I/O
Signal control relay 8 makes inflating pump 3 work, while entire car controller VCU 2 passes through communication line I/O signal conduction bi-directional electromagnetics
Valve 6, and entire car controller VCU 2 monitor in real time pressure sensor 5 numerical value change, it is ensured that numerical value be higher than be more than atmospheric pressure with
On, make the water outside battery case into not case to uninterruptedly be pressurized main drive battery case 7, ensures the safety of battery case；Often
When the humidity in drying bottle 4 has reached predetermined moisture angle value, controller 15 will control hydraulic device 9 and push baffle 12 to squeeze water suction
Sponge 11, with the continuous promotion of hydraulic device 9, the water in water-absorbing sponge 11 will be extruded, while limit pressure sensor 21
Scheduled pressure value will be progressivelyed reach, controller 15 is returned hydraulic device 9 is controlled at this time, until original position stops, being extruded
Water will be flowed into arc sink 17 by through-hole 16, can open dewatering orifice 18 by round valve 19 at regular intervals be put
Water.
The present invention and its embodiments have been described above, this description is no restricted, shown in attached drawing
Only one of embodiments of the present invention, actual structure is not limited to this.All in all if the ordinary skill of this field
Personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution phase
As frame mode and embodiment, be within the scope of protection of the invention.
Claims (3)
1. a kind of vehicle-mounted main drive battery case airtight detecting apparatus, it is characterised in that：Including vehicle network interconnecting terminal TBOX (1),
Entire car controller VCU (2), inflating pump (3), drying bottle (4), pressure sensor (5), bidirectional electromagnetic valve (6), main drive battery case
(7), relay (8), the vehicle network interconnection terminal TBOX (1) pass through CAN communication line diconnected entire car controller VCU
(2), the entire car controller VCU (2) by communication line with I/O signal unilaterally connected bidirectional electromagnetic valves (6), the pressure
Sensor (5) is by communication line with analog signals unilaterally connected entire car controller VCU (2), the entire car controller VCU
(2) by communication line with I/O signal control relays (8), the relay (8) is connected to inflating pump (3) by cable, described
Inflating pump (3) by middle siphunculus road unilaterally connected drying bottle (4), the drying bottle (4) passes through middle siphunculus road unilaterally connected
Pressure sensor (5), for the pressure sensor (5) by middle siphunculus road unilaterally connected bidirectional electromagnetic valve (6), described is two-way
Solenoid valve (6) passes through the main drive battery case (7) of middle siphunculus road diconnected.
2. the vehicle-mounted main drive battery case airtight detecting apparatus of one kind according to claim 1, it is characterised in that：The drying
It is equipped with hydraulic device (9) and the controller (15) for controlling hydraulic device (9), the hydraulic device in bottle (4) a side
(9) it is equipped with distance rod (10), slide bar (11) is equipped in the drying bottle (4), the slide bar (11) is equipped with baffle
(12), the baffle (12) has several, and water-absorbing sponge (13) is equipped between the baffle (12) and is used for baffle (12)
Connected chain (14), the distance rod (10) are connected with the baffle (12) of wherein a side, the baffle of another side
(12) it is connected with drying bottle (4) by chain (14), the medial surface that the drying bottle (4) is equipped with hydraulic device (9) is equipped with
Humidity sensor (20), the opposite face that the drying bottle (4) is equipped with the face of humidity sensor (20) are equipped with limit pressure biography
Sensor (21).
3. the vehicle-mounted main drive battery case airtight detecting apparatus of one kind according to claim 1, it is characterised in that：The drying
Through-hole (16) is equipped with below bottle (4), the lower section of the drying bottle (4) is equipped with arc sink (17), the arc sink
(17) dewatering orifice (18) are equipped with, the dewatering orifice (18) are equipped with the round valve for controlling dewatering orifice (18) switch
(19)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810461565.8A CN108426685A (en) | 2018-05-15 | 2018-05-15 | A kind of vehicle-mounted main drive battery case airtight detecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810461565.8A CN108426685A (en) | 2018-05-15 | 2018-05-15 | A kind of vehicle-mounted main drive battery case airtight detecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108426685A true CN108426685A (en) | 2018-08-21 |
Family
ID=63163195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810461565.8A Pending CN108426685A (en) | 2018-05-15 | 2018-05-15 | A kind of vehicle-mounted main drive battery case airtight detecting apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN108426685A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141782A (en) * | 2018-09-18 | 2019-01-04 | 昆明北方红外技术股份有限公司 | The airtight test of ultralow pressure and gas substitution detector |
| CN110658303A (en) * | 2019-08-23 | 2020-01-07 | 武汉格罗夫氢能汽车有限公司 | T-BOX-based in-vehicle hydrogen concentration detection processing method |
| CN110657920A (en) * | 2019-08-23 | 2020-01-07 | 武汉格罗夫氢能汽车有限公司 | Method for detecting concentration of hydrogen in vehicle based on T-BOX |
| CN110777876A (en) * | 2019-12-03 | 2020-02-11 | 徐工集团工程机械股份有限公司科技分公司 | Work control system and method for electric loader |
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| CN206479297U (en) * | 2017-01-18 | 2017-09-08 | 宋玲 | A kind of automobile batteries case air-tightness automatic detection device |
| CN107192517A (en) * | 2017-05-17 | 2017-09-22 | 中通客车控股股份有限公司 | A kind of passenger coach load power battery box air tightness detection system and method |
| CN206905981U (en) * | 2017-05-03 | 2018-01-19 | 福建易动力电子科技股份有限公司 | A kind of electrokinetic cell casing air-leakage test easy device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141782A (en) * | 2018-09-18 | 2019-01-04 | 昆明北方红外技术股份有限公司 | The airtight test of ultralow pressure and gas substitution detector |
| CN110658303A (en) * | 2019-08-23 | 2020-01-07 | 武汉格罗夫氢能汽车有限公司 | T-BOX-based in-vehicle hydrogen concentration detection processing method |
| CN110657920A (en) * | 2019-08-23 | 2020-01-07 | 武汉格罗夫氢能汽车有限公司 | Method for detecting concentration of hydrogen in vehicle based on T-BOX |
| CN110658303B (en) * | 2019-08-23 | 2021-04-23 | 武汉格罗夫氢能汽车有限公司 | T-BOX-based in-vehicle hydrogen concentration detection processing method |
| CN110657920B (en) * | 2019-08-23 | 2021-04-27 | 武汉格罗夫氢能汽车有限公司 | Method for detecting concentration of hydrogen in vehicle based on T-BOX |
| CN110777876A (en) * | 2019-12-03 | 2020-02-11 | 徐工集团工程机械股份有限公司科技分公司 | Work control system and method for electric loader |
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