CN206422112U - A kind of water-tight device of battery bag air cooling system - Google Patents
A kind of water-tight device of battery bag air cooling system Download PDFInfo
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- CN206422112U CN206422112U CN201621342876.5U CN201621342876U CN206422112U CN 206422112 U CN206422112 U CN 206422112U CN 201621342876 U CN201621342876 U CN 201621342876U CN 206422112 U CN206422112 U CN 206422112U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a kind of water-tight device of battery bag air cooling system, water-tight device includes the water induction device, the control chip MCU communicated to connect in battery bag casing and with water induction device and the magnetic valve communicated to connect on the mozzle connected with battery bag cabinets cavity and with control chip MCU being arranged on battery bag cabinet exterior, water induction device is used for sensed water level and water level signal is converted into voltage signal and control chip MCU is sent to, and control chip MCU is used for receiving voltage signal and controls the break-make of magnetic valve.The utility model solves the technical problem that moisture and other liquid outside battery bag are entered inside battery bag, good water-proof effect.
Description
Technical field
The utility model is related to electric automobile electronic circuit technology field, and in particular to a kind of battery bag air cooling system it is anti-
Water installations.
Background technology
Source, dynamic lithium battery are provided as the energy of electrical part in the large scale equipments such as electric automobile, motorcycle, motor boat
In charge and discharge process, its internal chemical side reactions occurred and the internal resistance of cell can produce substantial amounts of heat, if being chronically at
Under hot environment, its charge-discharge performance and working life can be greatly reduced, and can bring potential safety hazard to battery bag.In order to allow
Cell in battery bag is operated within the scope of normal temperature, cooling system can be typically designed with battery bag, at present
The air-cooled cooling system that the dynamic lithium battery bag of domestic electric automobile is used.
Air-cooled cooling system, because outside air by being directed into battery bag and carrying out hot friendship by the system
Change, therefore the single lithium battery in battery bag is in unclosed state, there is the liquid outside battery bag and is entered by air guide duct
Enter the possibility to inside battery bag, particularly with the battery bag applied in the large-scale water transportation equipment such as motor boat, outside battery bag
The risk that the liquid in portion is entered in battery bag by air guide duct is higher；Entered to solve outside liquid by air guide duct
This technical problem in battery bag, it is general at present by setting catch in mozzle, or Gas inlet tube is arranged to have
Two sections of turning and imbibition part is set around the corner, stop to entering the liquid in Gas inlet tube by imbibition part and
Imbibition, although both schemes can prevent liquid from traveling further into battery bag to a certain extent, still, waterproof effect
It is unsatisfactory.Therefore how to prevent the liquid such as the moisture outside battery bag from entering inside battery bag, so as to avoid in battery bag
Cell short circuit and other electronic components damage, be the technical problem of a urgent need to resolve.
The content of the invention
The purpose of this utility model is to provide a kind of water-tight device of battery bag air cooling system simple in construction, solves electricity
The technical problem that moisture and other liquid outside the bag of pond are entered inside battery bag, good water-proof effect.
The technical solution of the utility model is as follows：
A kind of water-tight device of battery bag air cooling system, water-tight device include be arranged on battery bag cabinet exterior on and with electricity
The concordant water induction device of pond lodge body base wall, the control chip communicated to connect in battery bag casing and with water induction device
MCU and the magnetic valve communicated to connect on the mozzle connected with battery bag cabinets cavity and with control chip MCU, water
Inductor is used for sensed water level and water level signal is converted into voltage signal and control chip MCU is sent to, control chip MCU
For receiving voltage signal and control the break-make of magnetic valve.
Water-tight device also includes the driving circuit for electromagnetic valve being connected between control chip MCU and magnetic valve, and magnetic valve drives
Dynamic circuit includes photoelectrical coupler U3 and relay LS1, and photoelectrical coupler U3 anode is connected by resistance R6 and power vd D1
Connect, negative electrode is connected by resistance R7 with power vd D1, colelctor electrode is connected with power vd D2, emitter stage passes through resistance R8 and triode
Q1 base stage connection；Triode Q1 base stage is also connected by R9 with ground, and triode Q1 emitter stage connects with ground, triode Q1
Colelctor electrode be connected by diode D1 with power vd D2；Relay LS1 terminals 1 connect with photoelectrical coupler U3 colelctor electrode
Connect, terminals 6 are connected with power vd D2, terminals 4 are connected with power vd D4, terminals 3 are control signal output.
Water-tight device also includes being connected to the signal conditioning circuit between water induction device and control chip MCU and being connected to
A/D signaling conversion circuits between signal conditioning circuit and control chip MCU, signal conditioning circuit includes in-phase amplifier U1
With voltage follower U2, in-phase amplifier U1 in-phase input end be connected by resistance R1 with voltage signal inputs VIN and
Connected by electric capacity C1 with ground, in-phase amplifier U1 inverting input connected by resistance R3 with ground and by resistance R5 and
In-phase amplifier U1 output end connection；Voltage follower U2 in-phase input end is defeated by resistance R2 and in-phase amplifier U1's
Go out end connection and connected by electric capacity C2 with ground, voltage follower U2 inverting input and voltage follower U2 input
Connection, voltage follower U2 output end is connected by resistance R4 with voltage signal output end.
Water-tight device also includes the reset circuit being connected with control chip MCU, and reset circuit includes reset chip U4, multiple
Position chip U4 terminals 1 are connected with control chip MCU reset terminal RESET, also by resistance R10 be connected with power vd D1 with
And connected by electric capacity C3 with ground, terminals 4 are connected with control chip MCU terminals 1, and reset chip U4 terminals 5 connect
Meet power vd D1 and connected by electric capacity C4 with ground, terminals 2 connect with ground.
Control chip MCU is used in the case where receiving voltage signal, sends shutdown signal to magnetic valve.
Control chip MCU is used for receiving voltage signal, and obtains magnitude of voltage, is more than or equal to the situation of threshold value in magnitude of voltage
Under, shutdown signal is sent to magnetic valve.
Control chip MCU is used for receiving voltage signal, and obtains magnitude of voltage, in the case where magnitude of voltage is less than threshold value, hair
Open signal is sent to magnetic valve.
Control chip MCU is additionally operable to obtain battery bag internal temperature values by CAN, low in battery bag internal temperature values
In the case of preset value, shutdown signal is sent to magnetic valve.
Water induction device is that multiple and its bottom faces are concordant with battery bag bottom half wall.
Water induction device in normal state pop one's head in by air insulation by two-stage, and conducting of being popped one's head under Riddled Condition；Soak shape
Water induction device is rapid under state is converted to voltage signal by water level information, and voltage signal is after signal conditioning circuit is filtered and is amplified
A/D signaling conversion circuits are transferred to, voltage signal is output after data signal by analog-signal transitions through A/D signaling conversion circuits
To control chip, control chip controls the break-make of magnetic valve according to voltage signal, and it includes following three kinds of situations：
The first, control chip sends shutdown signal to magnetic valve after voltage signal is received, immediately, and magnetic valve is immediately
Close, while the work of battery bag air cooling system stops, so as to effectively prevent outside moisture from entering inside battery bag air cooling system；The
Two kinds, control chip is parsed and obtained after magnitude of voltage to voltage signal, judges whether the magnitude of voltage is more than or equal to threshold value,
In the case where magnitude of voltage is more than or equal to threshold value, shutdown signal is sent to magnetic valve, while the work of battery bag air cooling system stops
Only, when the magnitude of voltage that control chip is obtained again sends open signal to magnetic valve in the case of less than threshold value, then, so as to have
Open and close of the effect ground to magnetic valve carry out intelligent control, effectively prevent outside moisture from entering inside battery bag air cooling system；
The third, control chip obtains battery bag internal temperature values by CAN, if battery bag internal temperature values are less than preset value,
Wind cooling temperature lowering then need not be carried out inside battery bag, then control chip sends shutdown signal to magnetic valve, closed electromagnetic valve and
Battery bag air cooling system is stopped, and prevents outside moisture from entering inside battery bag air cooling system.
Meanwhile, control chip transmits water level information to vehicular meter display device by CAN.Wherein, water level is believed
Breath includes the one or more in the information such as fording depth value, fording depth scope and warning message of paddling.
The beneficial effect that the utility model is produced：
The utility model can have according to water induction device sensing immersion information come the unlatching of intelligent control magnetic valve and closure
Effect solves the technical problem that the liquid such as the moisture outside battery bag are entered inside battery bag, so that it is guaranteed that battery bag is normally entered
Row discharge and recharge, extends the service life of battery.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is the structural representation of embodiment one and the battery bag air cooling system described in embodiment two in the utility model；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the structural representation of the water-tight device described in embodiment one in the utility model；
Fig. 4 is the structural representation of the water-tight device described in embodiment two in the utility model；
Fig. 5 is the schematic diagram of the signal conditioning circuit described in embodiment two in the utility model；
Fig. 6 is the schematic diagram of the reset circuit described in embodiment two in the utility model；
Fig. 7 is the schematic diagram of the driving circuit for electromagnetic valve described in the utility model.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Embodiment one
As shown in Figures 1 and 2, the battery bag air cooling system described in the present embodiment, includes battery bag casing 1, position
In the blower fan 2 that battery bag casing 1 is outer and is connected by mozzle with battery bag box house, entering by down draught pipe and blower fan 2
The fan housing 1 of air port connection；The first deflector 4, the second deflector 6 and the 3rd deflector 5 that the inner chamber of battery bag casing 1 is set will
Battery bag cabinets cavity is separated into the first diversion air duct 7, battery assembly cavity 8, the second diversion air duct 9 and the 3rd diversion air duct
10, the first pod apertures 11-1 that the first diversion air duct 7 is opened up by the first deflector 4 on the position of bottom is led with the 3rd
Stream air channel 10 is connected, and the 3rd diversion air duct 10 passes through the 3rd pod apertures 11-3 opened up on the 3rd deflector 5 and three piece the 3rd
Space between deflector 5 is connected with battery assembly cavity 8, and battery assembly cavity 8 passes through the second water conservancy diversion for being opened up on the second deflector 6
Hole 11-2 is connected with the second deflector 6；The air outlet of blower fan is connected by mozzle with the first diversion air duct 7, the second water conservancy diversion wind
Road 9 passes through mozzle and ft connection；The air outlet of blower fan is connected by mozzle with the first diversion air duct 7, the second water conservancy diversion wind
Road 9 passes through mozzle and ft connection.
As shown in Figure 3, the water-tight device of the battery bag air cooling system described in the present embodiment, including installed in battery lodge
On the outer wall of body 1 and the water induction device 13 concordant with the base wall of battery bag casing 1, in battery bag casing 1 and and water induction
Device 13 communicate to connect control chip MCU, on mozzle and with control chip MCU communicate to connect magnetic valve 3 and
It is connected to the driving circuit for electromagnetic valve between control chip MCU and magnetic valve 3, water induction device 13 is used for sensed water level and by water
Position signal is converted to voltage signal and is sent to control chip MCU, and control chip MCU is used to receive the situation of voltage signal
Under, shutdown signal is sent to magnetic valve 3.
As shown in Figure 7, driving circuit for electromagnetic valve includes photoelectrical coupler U3 and relay LS1, photoelectrical coupler U3
Anode be connected by resistance R6 with power vd D1, negative electrode is connected by resistance R7 with power vd D1, colelctor electrode and power vd D2
Connection, emitter stage is connected by resistance R8 with triode Q1 base stage；Triode Q1 base stage is also connected by R9 with ground, three poles
Pipe Q1 emitter stage connects with ground, and triode Q1 colelctor electrode is connected by diode D1 with power vd D2；Relay LS1's connects
Line end 1 is connected with photoelectrical coupler U3 colelctor electrode, and terminals 6 are connected with power vd D2, and terminals 4 are connected with power vd D4
Connect, terminals 3 are control signal output.
In the present embodiment, water induction device 13 in normal state pop one's head in by air insulation by two-stage, and in Riddled Condition test
Head conducting；Water induction device is rapid under Riddled Condition is converted to voltage signal by water level information and exports to control chip MCU, control
Chip sends shutdown signal to magnetic valve 3 after voltage signal is received, immediately, and magnetic valve 3 is closed immediately, while battery bag wind
Cooling system work stops, therefore, and the utility model can effectively prevent outside moisture from entering inside battery bag air cooling system.
Embodiment two
As shown in Figures 1 and 2, the battery bag air cooling system described in the present embodiment, includes battery bag casing 1, position
In the blower fan 2 that battery bag casing 1 is outer and is connected by mozzle with battery bag box house, entering by down draught pipe and blower fan 2
The fan housing 1 of air port connection；The first deflector 4, the second deflector 6 and the 3rd deflector 5 that the inner chamber of battery bag casing 1 is set will
Battery bag cabinets cavity is separated into the first diversion air duct 7, battery assembly cavity 8, the second diversion air duct 9 and the 3rd diversion air duct
10, the first pod apertures 11-1 that the first diversion air duct 7 is opened up by the first deflector 4 on the position of bottom is led with the 3rd
Stream air channel 10 is connected, and the 3rd diversion air duct 10 passes through the 3rd pod apertures 11-3 opened up on the 3rd deflector 5 and three piece the 3rd
Space between deflector 5 is connected with battery assembly cavity 8, and battery assembly cavity 8 passes through the second water conservancy diversion for being opened up on the second deflector 6
Hole 11-2 is connected with the second deflector 6；The air outlet of blower fan is connected by mozzle with the first diversion air duct 7, the second water conservancy diversion wind
Road 9 passes through mozzle and ft connection；The air outlet of blower fan is connected by mozzle with the first diversion air duct 7, the second water conservancy diversion wind
Road 9 passes through mozzle and ft connection.
As shown in Figure 4, the water-tight device of the battery bag air cooling system described in the present embodiment, including installed in battery lodge
On the outer wall of body 1 and the water induction device 13 concordant with the base wall of battery bag casing 1, the signal condition that is communicated to connect with water induction device 13
Circuit, the A/D signaling conversion circuits communicated to connect with signal conditioning circuit, turn in the battery bag casing 1 and with A/D signals
Change the driving circuit for electromagnetic valve of control chip MCU and control chip the MCU communication connection of circuit communication connection, installed in water conservancy diversion
The reset circuit being connected on pipe and with the control chip MCU magnetic valves 3 communicated to connect and with control chip MCU.
Water induction device 13 is used for sensed water level and water level signal is converted into voltage signal and signal condition electricity is sent to
Road, water induction device 13 is voltage-type water induction device, and two-stage is popped one's head in by air insulation in normal state, and in Riddled Condition test
Head conducting, changes, and water level signal is converted into voltage signal and signal condition is sent to according to SEA LEVEL VARIATION output voltage
Circuit.
As shown in Figure 5, signal conditioning circuit includes in-phase amplifier U1 and voltage follower U2, in-phase amplifier U1
In-phase input end be connected by resistance R1 with voltage signal inputs VIN and by electric capacity C1 with ground connect, with mutually amplify
Device U1 inverting input is connected with ground by resistance R3 and is connected by resistance R5 with in-phase amplifier U1 output end；Electricity
Pressure follower U2 in-phase input end is connected by resistance R2 with in-phase amplifier U1 output end and by electric capacity C2 and ground
Connect, voltage follower U2 inverting input is connected with voltage follower U2 input, voltage follower U2 output end
It is connected by resistance R4 with voltage signal output end.
Signal conditioning circuit is divided into the same phase of one-level being made up of resistance R1, electric capacity C1, in-phase amplifier U1 and resistance R5
Amplifying circuit and circuit is followed by resistance R4, electric capacity C2, voltage follower U2 and resistance the R4 voltage order one constituted；By talent for swimming
The voltage signal for answering device to export enters after filtering out high frequency spurs signal by resistance R1 and electric capacity the C2 low pass filter constituted
In-phase amplifier U1, the low pass that output is extremely made up of resistance R2 and electric capacity C2 after voltage signal is amplified through in-phase amplifier U1
Wave filter simultaneously enters voltage follower U2, is exported after voltage follower U2 reduction output impedances to A/D signaling conversion circuits, by
A/D signaling conversion circuits carry out analog-to-digital conversion.
Control chip MCU（Also referred to as control chip or single-chip microcomputer, are referred to as " MCU "）It is anti-as a kind of micro control unit
The data processing of water installations and control core.In the present embodiment, control chip MCU is used to obtain magnitude of voltage, according to the voltage
Value, controls the break-make of magnetic valve 3, specifically, control chip MCU is used for receiving voltage signal, and obtains magnitude of voltage；In magnitude of voltage
In the case of threshold value, shutdown signal is sent to magnetic valve 3, and in the case where magnitude of voltage is less than threshold value, is sent
Open signal is to magnetic valve 3；Control chip MCU is additionally operable to obtain battery bag internal temperature values by CAN, in battery bag
In the case that portion's temperature value is less than preset value, shutdown signal is sent to magnetic valve 3.
Control chip MCU typically uses a 16 High Performance SCMs of Freescale, and its performance includes：Operation frequency
Rate reaches as high as 50MHz；256K Flash, 16K RAM, 4K EEPROM, 32K D-Flash；3 2.0B CAN connects
Mouthful；The 12bit of 8 passages ADC；3.1V ~ 5.5V powers, some GPIO；Input external crystal-controlled oscillation frequency range：2MHz~40MHz；
Each power pin simultaneously connects decoupling capacitor；The resonator selection 16MHz crystal resonators of external connection, precision ± 20ppm, load electricity
Hold 16pF.
As shown in Figure 7, driving circuit for electromagnetic valve includes photoelectrical coupler U3 and relay LS1, photoelectrical coupler U3
Anode be connected by resistance R6 with power vd D1, negative electrode is connected by resistance R7 with power vd D1, colelctor electrode and power vd D2
Connection, emitter stage is connected by resistance R8 with triode Q1 base stage；Triode Q1 base stage is also connected by R9 with ground, three poles
Pipe Q1 emitter stage connects with ground, and triode Q1 colelctor electrode is connected by diode D1 with power vd D2；Relay LS1's connects
Line end 1 is connected with photoelectrical coupler U3 colelctor electrode, and terminals 6 are connected with power vd D2, and terminals 4 are connected with power vd D4
Connect, terminals 3 are control signal output.
Driving circuit for electromagnetic valve is divided into three parts, i.e., the control constituted with resistance R6, resistance R7 and photoelectrical coupler U3
Segment signal output processed, with resistance R8, resistance R9 and triode the Q1 drive part constituted and with diode D1, relay
The control section that LS1 is constituted；Photoelectrical coupler U3 plays buffer action, and control can be prevented by being off the photoelectrical coupler U3 of state
Signal processed enters and enters drive part from control signal output par, c, so that the High-frequency Interference for suppressing drive part enters control unit
Point；After control signal makes electric coupler U3 anode and negative electrode conducting in low level form, cause photoelectrical coupler U3's
Collector and emitter is turned on, by resistance R8, resistance R9 partial pressures, turn on triode Q1, and output current drives relay
LS1, wherein, diode D1 constitutes discharge path when relay device LS1 is closed, so as to prevent triode Q1 from damaging.
Control chip is vulnerable to the interference of external environment condition in the process of running, causes internal processes to run and flies and be absorbed in and extremely following
Ring, or cause internal processes outage and be absorbed in dead state, and reset circuit is mainly used in control chip in above-mentioned
During situation, control chip is resetted.As shown in Figure 6, reset circuit includes reset chip U4, and reset chip U4's connects
Line end 1 is connected with control chip MCU reset terminal RESET, is also connected by resistance R10 with power vd D1 and by electric capacity C3
Connect with ground, terminals 4 are connected with control chip MCU terminals 1, reset chip U4 terminals 5 connection power vd D1 with
And connected by electric capacity C4 with ground, terminals 2 connect with ground.Wherein, reset chip U4, is also monitoring chip, and the present embodiment
The STM6824TWY6F type monitoring chips of ST Microelectronics are used, when detection voltage is 3.08V, when chip is detected
Supply voltage can export reset signal when being less than 3.08V, be resetted control chip.
When control chip MCU is in mode of operation, it passes through the continuous signal for exporting " feeding dog " of terminals 1 to reset coil
The change that piece U4, reset chip U4 detect a low and high level by terminals 4 represents successfully " to feed dog " once；If multiple
Position chip U4 does not detect a feeding-dog signal by terminals 4 in 1.6s, then the terminals 1 on reset chip U4 can be defeated
Go out reset signal and export to control chip MCU, make control chip MCU program restoring running to the starting from program storage
Position starts the state performed.
In the present embodiment, water induction device 13 in normal state pop one's head in by air insulation by two-stage, and in Riddled Condition test
Head conducting；Water level information is converted to voltage signal by the water induction device 13 under Riddled Condition rapidly, and voltage signal is adjusted by signal
A/D signaling conversion circuits are transferred to after reason circuit filtering and amplification, voltage signal is turned through A/D signaling conversion circuits by analog signal
It is changed into exporting after data signal to control chip, control chip is parsed and obtained after magnitude of voltage to voltage signal, judging should
Whether magnitude of voltage is more than or equal to threshold value, in the case where magnitude of voltage is more than or equal to threshold value, sends shutdown signal to magnetic valve
3, while the work of battery bag air cooling system stops；And the magnitude of voltage obtained again when control chip is in the case of less than threshold value,
Open signal is then sent to magnetic valve 3, magnetic valve 3 is opened and battery bag air cooling system works and is radiated, therefore this reality
Open and close with New Energy effectively to magnetic valve 3 carry out intelligent control, so as to prevent outside moisture from entering battery bag wind
Inside cooling system；Meanwhile, control chip MCU also obtains battery bag internal temperature values by CAN, if battery bag internal temperature
Value is less than preset value, then need not carry out wind cooling temperature lowering inside battery bag, then control chip MCU sends shutdown signal to magnetic valve
3, magnetic valve 3 is closed and battery bag air cooling system is stopped, and prevents outside moisture from entering inside battery bag air cooling system.
Claims (5)
1. a kind of water-tight device of battery bag air cooling system, it is characterised in that：The water-tight device includes being arranged on battery lodge
Body（1）Water induction device on outer wall（13）, installed in battery bag casing（1）It is interior and with water induction device（13）The control of communication connection
Chip MCU and installed in battery bag casing（1）The electricity communicated to connect on the mozzle of inner chamber connection and with control chip MCU
Magnet valve（3）, the water induction device（13）For sensed water level and water level signal is converted into voltage signal and control is sent to
Chip MCU, the control chip MCU are used for receiving voltage signal and control magnetic valve（3）Break-make, receiving voltage signal
In the case of, shutdown signal is sent to magnetic valve（3）, or receiving voltage signal, and obtain magnitude of voltage, be more than in magnitude of voltage or
In the case of threshold value, shutdown signal is sent to magnetic valve（3）, or in the case where magnitude of voltage is less than threshold value, sends and open
Signal is to magnetic valve（3）；It is additionally operable to obtain battery bag internal temperature values by CAN, is less than in battery bag internal temperature values
In the case of preset value, shutdown signal is sent to magnetic valve（3）.
2. a kind of water-tight device of battery bag air cooling system as claimed in claim 1, it is characterised in that：
The water-tight device also includes being connected to control chip MCU and magnetic valve（3）Between driving circuit for electromagnetic valve, the electricity
Electromagnetic valve driving circuit include photoelectrical coupler U3 and relay LS1, photoelectrical coupler U3 anode by resistance R6 with
Power vd D1 connections, negative electrode is connected by resistance R7 with power vd D1, and colelctor electrode is connected with power vd D2, and emitter stage passes through resistance
R8 is connected with triode Q1 base stage；The base stage of the triode Q1 also by R9 with ground connect, triode Q1 emitter stage with
Ground connects, and triode Q1 colelctor electrode is connected by diode D1 with power vd D2；The terminals 1 and light of the relay LS1
Electric coupler U3 colelctor electrode connection, terminals 6 are connected with power vd D2, and terminals 4 are connected with power vd D4, terminals 3
For control signal output.
3. a kind of water-tight device of battery bag air cooling system as claimed in claim 1 or 2, it is characterised in that：
The water-tight device also includes being connected to water induction device（13）Signal conditioning circuit and company between control chip MCU
The A/D signaling conversion circuits between signal conditioning circuit and control chip MCU are connected on, the signal conditioning circuit includes same phase
Amplifier U1 and voltage follower U2, the in-phase input end of the in-phase amplifier U1 passes through resistance R1 and voltage signal inputs
VIN connections and connected by electric capacity C1 with ground, the inverting input of the in-phase amplifier U1 by resistance R3 with connect
And be connected by resistance R5 with in-phase amplifier U1 output end；The in-phase input end of the voltage follower U2 passes through resistance
R2 is connected with in-phase amplifier U1 output end and connected by electric capacity C2 with ground, the anti-phase input of the voltage follower U2
End is connected with voltage follower U2 input, and the output end of the voltage follower U2 is exported by resistance R4 and voltage signal
End connection.
4. a kind of water-tight device of battery bag air cooling system as claimed in claim 1 or 2, it is characterised in that：
The water-tight device also includes the reset circuit being connected with control chip MCU, and the reset circuit includes reset chip
U4, the terminals 1 of the reset chip U4 are connected with control chip MCU reset terminal RESET, also pass through resistance R10 and power supply
VDD1 connections and by electric capacity C3 with ground connect, terminals 4 are connected with control chip MCU terminals 1, reset chip U4's
Terminals 5 connect power vd D1 and connected by electric capacity C4 with ground, and terminals 2 connect with ground.
5. a kind of water-tight device of battery bag air cooling system as claimed in claim 1, it is characterised in that：
The water induction device（13）For multiple and its bottom faces and battery bag casing（1）Base wall is concordant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342876.5U CN206422112U (en) | 2016-12-08 | 2016-12-08 | A kind of water-tight device of battery bag air cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342876.5U CN206422112U (en) | 2016-12-08 | 2016-12-08 | A kind of water-tight device of battery bag air cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206422112U true CN206422112U (en) | 2017-08-18 |
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ID=59575720
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621342876.5U Active CN206422112U (en) | 2016-12-08 | 2016-12-08 | A kind of water-tight device of battery bag air cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206422112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4220791A1 (en) * | 2022-02-01 | 2023-08-02 | Suzuki Motor Corporation | Electric storage device |
-
2016
- 2016-12-08 CN CN201621342876.5U patent/CN206422112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4220791A1 (en) * | 2022-02-01 | 2023-08-02 | Suzuki Motor Corporation | Electric storage device |
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