CN107328533A - A kind of apparatus for testing weeping of battery modules liquid cooling system - Google Patents
A kind of apparatus for testing weeping of battery modules liquid cooling system Download PDFInfo
- Publication number
- CN107328533A CN107328533A CN201710514849.4A CN201710514849A CN107328533A CN 107328533 A CN107328533 A CN 107328533A CN 201710514849 A CN201710514849 A CN 201710514849A CN 107328533 A CN107328533 A CN 107328533A
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- operational amplifier
- output end
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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
- G01M3/28—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 pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—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 pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
A kind of apparatus for testing weeping of battery modules liquid cooling system, the cold pipeline of liquid, the first sensing unit, the second sensing unit, relay unit and processing unit including being cooled to battery modules, the detection induction end of first sensing unit is arranged at the water inlet end of the cold pipeline of liquid, and the detection induction end of second sensor is arranged at the water side of the cold pipeline of liquid；The output end of first sensing unit and the first input end of processing unit are connected, and the output end of the second sensing unit and the second input of processing unit are connected；One end of relay unit and the power supply output end of battery modules are connected, and the other end is connected with external equipment；The control output end of processing unit and the control end of relay unit are connected, the break-make for controlling battery modules and external equipment.This invention can be very good whether occur leakage inside detection battery modules liquid cooling system, effectively protect battery modules.
Description
Technical field
The present invention relates to battery modules field, more particularly to a kind of apparatus for testing weeping of battery modules liquid cooling system.
Background technology
Nowadays, electric automobile has obtained quick development.Battery modules as electric automobile core component, to electronic vapour
Vital effect is played in the development of garage's industry.The work of battery core, such as temperature range are followed to the charge/discharge capacity of battery modules
The ring life-span plays key effect.Therefore, battery modules manufacturer all spends very big energy to the heat pipes of battery modules in industry
Reason technology is studied.In the air-cooled and cold two kinds of heat management modes of liquid, the radiating effect of the cold battery modules of liquid clearly, can
To maintain battery core to be operated within the scope of suitable temperature.But, the cold battery modules of liquid can cause battery in the event of leakage situation
The short circuit of module internal battery core, is damaged, serious or even on fire.Therefore, the leakage detection to the cold battery modules of liquid is just extremely important.
The content of the invention
The purpose of the present invention is to overcome weak point of the prior art there is provided a kind of leakage of battery modules liquid cooling system
Detection means.
The purpose of the present invention is achieved through the following technical solutions：
A kind of detection means of battery modules leakage liquid cooling system, including the cold pipe of liquid that the battery modules are cooled
Road, the first sensing unit, the second sensing unit, relay unit and processing unit, the detection sensing of first sensing unit
End is arranged at the water inlet end of the cold pipeline of the liquid, and the detection induction end of the second sensor is arranged at going out for the cold pipeline of the liquid
Water end (W.E.)；
The output end of first sensing unit is connected with the first input end of the processing unit, and second sensing is single
The output end of member is connected with the second input of the processing unit；
One end of the relay unit is connected with the power supply output end of the battery modules, and the other end connects with external equipment
Connect；
The control output end of the processing unit is connected with the control end of the relay unit, for controlling the battery
The break-make of module and the external equipment.
In one of the embodiments, first sensing unit includes：First inductance L1, the first operational amplifier U1,
Second operational amplifier U2, first resistor R1 and the first slide rheostat W1, the first inductance L1 are used as the described first sensing
The detection induction end of unit, the output end of the second operational amplifier U2 as first sensing unit output end；
One end of the first inductance L1 is connected with the normal phase input end of the first operational amplifier U1, another termination
Ground；
The inverting input of the first operational amplifier U1 is connected with the output end of the first operational amplifier U1, institute
The power end for stating the first operational amplifier U1 is connected with power Vcc, the earth terminal ground connection of the first operational amplifier U1；
The normal phase input end of the second operational amplifier U2 is connected with the output end of the first operational amplifier U1, institute
State the second operational amplifier U2 inverting input one end respectively with the first resistor R1 and first slide rheostat
W1 resistance adjustable side connection, the output end of the second operational amplifier U2 and one end of the first slide rheostat W1 connect
Connect, the power end of the second operational amplifier U1 is connected with power Vcc, the ground connection termination of the second operational amplifier U2
Ground；
The other end ground connection of the first resistor R1.
In one of the embodiments, first sensing unit also includes：First electric capacity C1, the first polar capacitor C2 and
Second resistance R2, the first electric capacity C1 are parallel to the first inductance L1；
The positive pole of the first polar capacitor C2 is connected with the output end of the first operational amplifier U1, negative pole with it is described
First operational amplifier U1 normal phase input end connection；
One end of the second resistance R2 is connected with the normal phase input end of the second operational amplifier U2, another termination
Ground.
In one of the embodiments, first sensing unit also includes：3rd resistor R3 and the first light emitting diode
D1, one end of the 3rd resistor R3 is connected with the output end of the second operational amplifier U2, the other end and the described first hair
Optical diode D1 anode connection；
The minus earth of the first light emitting diode D1.
In one of the embodiments, second sensing unit includes：Second inductance L2, the 3rd operational amplifier U3,
Four-operational amplifier U4, the 4th resistance R4 and the second slide rheostat W2, the second inductance L2 are used as the described second sensing
The detection induction end of unit, the output end of the four-operational amplifier U4 as second sensing unit output end；
One end of the second inductance L2 is connected with the normal phase input end of the 3rd operational amplifier U3, another termination
Ground；
The inverting input of the 3rd operational amplifier U3 is connected with the output end of the 3rd operational amplifier U3, institute
The power end for stating the 3rd operational amplifier U3 is connected with power Vcc, the earth terminal ground connection of the 3rd operational amplifier U3；
The normal phase input end of the four-operational amplifier U4 is connected with the output end of the 3rd operational amplifier U3, institute
State four-operational amplifier U4 inverting input one end respectively with the 4th resistance R4 and second slide rheostat
W2 resistance adjustable side connection, the output end of the 4th amplifier U4 is connected with one end of the second slide rheostat W2,
The power end of the four-operational amplifier U4 is connected with power Vcc, the earth terminal ground connection of the four-operational amplifier U4；
The other end ground connection of the 4th resistance R4.
In one of the embodiments, second sensing unit also includes：Second electric capacity C3, the second polar capacitor C4 and
5th resistance R5, the second electric capacity C3 is parallel to the second inductance L2；
The positive pole of the second polar capacitor C2 is connected with the output end of the 3rd operational amplifier U3, negative pole with it is described
3rd operational amplifier U3 normal phase input end connection；
One end of the 5th resistance R5 is connected with the normal phase input end of the four-operational amplifier U4, another termination
Ground.
In one of the embodiments, second sensing unit also includes：6th resistance R6 and the second light emitting diode
D2, one end of the 6th resistance R6 is connected with the output end of the four-operational amplifier U4, the other end and the described second hair
Optical diode D2 anode connection；
The minus earth of the second light emitting diode D2.
In one of the embodiments, in addition to alarm unit 700, the alarm unit 700 and the processing unit 600
Connection.
This technical scheme has following beneficial effect compared to prior art：
It is former using electromagnetic induction by setting the first sensing unit and the second sensing unit respectively in water inlet end and water side
Reason and Hall effect, when leakage occurs for the cold pipeline of liquid, the flow rate speed of water inlet end and the flow velocity of water side are differed, and pass through place
Reason unit determines the magnitude of voltage of the first sensing unit output and the magnitude of voltage difference of the second sensing unit output, and output control
Signal control relay unit is disconnected so that battery modules no longer supplying power for outside equipment is powered, and is effectively protected battery
Module.
Brief description of the drawings
Fig. 1 be the present embodiment in battery modules liquid cooling system apparatus for testing weeping theory diagram；
Fig. 2 be the present embodiment in the first sensing unit circuit theory diagrams；
Fig. 3 be the present embodiment in the second sensing unit circuit theory diagrams.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Plus it is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more
The arbitrary and all combination of related Listed Items.
It is the theory diagram of the apparatus for testing weeping of battery modules liquid cooling system as shown in Figure 1, reference picture 2 is please combined in the lump
And Fig. 3, including the 101, first sensing unit 200 of the cold management of liquid, the second sensing unit that the battery modules 100 are cooled
300th, relay unit 400 and processing unit 500, it is cold that the detection induction end of first sensing unit 200 is arranged at the liquid
The water inlet of pipeline 101, the detection induction end of the second sensor 300 is arranged at the delivery port of the cold pipeline 101 of the liquid
Place；
The output end of first sensing unit 200 is connected with the first input end of the processing unit 500, and described second
The output end of sensing unit 300 is connected with the second input of the processing unit 500；
One end of the relay unit 400 is connected with the power supply output end of the battery modules 100, the other end and outside
Equipment 600 is connected；
The control output end of the processing unit 500 is connected with the control end of the relay unit 200, for controlling
State the break-make of battery modules 100 and the external equipment 600.
Specifically, first sensing unit 200 includes：First inductance L1, the first operational amplifier U1, the second computing are put
Big device U2, first resistor R1 and the first slide rheostat W1, the first inductance L1 as first sensing unit 200 inspection
Survey induction end, the output end of the second operational amplifier U2 as first sensing unit 200 output end；
One end of the first inductance L1 is connected with the normal phase input end of the first operational amplifier U1, another termination
Ground；
The inverting input of the first operational amplifier U1 is connected with the output end of the first operational amplifier U1, institute
The power end for stating the first operational amplifier U1 is connected with power Vcc, the earth terminal ground connection of the first operational amplifier U1；
The normal phase input end of the second operational amplifier U2 is connected with the output end of the first operational amplifier U1, institute
State the second operational amplifier U2 inverting input one end respectively with the first resistor R1 and first slide rheostat
W1 resistance adjustable side connection, the output end of the second operational amplifier U2 and one end of the first slide rheostat W1 connect
Connect, the power end of the second operational amplifier U1 is connected with power Vcc, the ground connection termination of the second operational amplifier U2
Ground；
The other end ground connection of the first resistor R1.
Specifically, first sensing unit 200 also includes：First electric capacity C1, the first polar capacitor C2 and second resistance
R2, the first electric capacity C1 is parallel to the first inductance L1；
The positive pole of the first polar capacitor C2 is connected with the output end of the first operational amplifier U1, negative pole with it is described
First operational amplifier U1 normal phase input end connection；
One end of the second resistance R2 is connected with the normal phase input end of the second operational amplifier U2, another termination
Ground.
Specifically, first sensing unit 200 also includes：3rd resistor R3 and the first light emitting diode D1, described
Three resistance R3 one end is connected with the output end of the second operational amplifier U2, the other end and the first light emitting diode D1
Anode connection；
The minus earth of the first light emitting diode D1.
Specifically, second sensing unit 300 includes：Second inductance L2, the 3rd operational amplifier U3, the 4th computing are put
Big device U4, the 4th resistance R4 and the second slide rheostat W2, the second inductance L2 as second sensing unit 300 inspection
Survey induction end, the output end of the four-operational amplifier U4 as second sensing unit 300 output end；
One end of the second inductance L2 is connected with the normal phase input end of the 3rd operational amplifier U3, another termination
Ground；
The inverting input of the 3rd operational amplifier U3 is connected with the output end of the 3rd operational amplifier U3, institute
The power end for stating the 3rd operational amplifier U3 is connected with power Vcc, the earth terminal ground connection of the 3rd operational amplifier U3；
The normal phase input end of the four-operational amplifier U4 is connected with the output end of the 3rd operational amplifier U3, institute
State four-operational amplifier U4 inverting input one end respectively with the 4th resistance R4 and second slide rheostat
W2 resistance adjustable side connection, the output end of the 4th amplifier U4 is connected with one end of the second slide rheostat W2,
The power end of the four-operational amplifier U4 is connected with power Vcc, the earth terminal ground connection of the four-operational amplifier U4；
The other end ground connection of the 4th resistance R4.
Specifically, second sensing unit 300 also includes：Second electric capacity C3, the second polar capacitor C4 and the 5th resistance
R5, the second electric capacity C3 is parallel to the second inductance L2；
The positive pole of the second polar capacitor C2 is connected with the output end of the 3rd operational amplifier U3, negative pole with it is described
3rd operational amplifier U3 normal phase input end connection；
One end of the 5th resistance R5 is connected with the normal phase input end of the four-operational amplifier U4, another termination
Ground.
Specifically, second sensing unit 300 also includes：6th resistance R6 and the second light emitting diode D2, described
Six resistance R6 one end is connected with the output end of the four-operational amplifier U4, the other end and the second light emitting diode D2
Anode connection；
The minus earth of the second light emitting diode D2.
Specifically, in addition to alarm unit 700, the alarm unit 700 is connected with the processing unit 500.
Concrete operating principle：
First sensing unit 200 is arranged on water inlet end, and the first sensing unit 200 utilizes the first inductance L1, when the cold pipeline of liquid
When liquid in 101 flows, in sensing test sides of the first inductance L1 as the first sensing unit 200, the first inductance L1 can be produced
Raw induced-current, induced electricity is streamed in the first operational amplifier U1.It should be noted that the first computing in the present embodiment
Induced-current is converted into induced potential by amplifier U1, and the induced potential after conversion is transmitted into the second operational amplifier U2.
It should be noted that in the present embodiment, the second operational amplifier U2 and first resistor R1 and the first slide rheostat W1 compositions
Operational amplification circuit, by by the first operational amplifier U1 transmit Lai small induced potential zoom into big induced potential, finally
Exported by the second operational amplifier U2 output end to processing unit (i.e. B0 ports in Fig. 2).Need especially, it is emphasized that
In the present embodiment, first resistor R1 and the first slide rheostat W1 constitute operation amplifier network there is provided magnification ratio coefficient, amplify
The slide rheostat W1 of proportionality coefficient=first resistance/first resistor R1 resistance, user, which can pass through, to be changed first and slides
Rheostat W1 resistance adjusts magnification ratio coefficient.
It should be noted that in the present embodiment, the circuit of the second sensing unit 300 is constituted and workflow is passed with first
Feel the consistent of unit 200, be no longer described in detail.Need especially, it is emphasized that the output end of the second sensing unit 300 is
B1 ports in Fig. 3.
It should also be noted that, as the presently preferred embodiments, the first sensing unit 200 is arranged on the water inlet of the cold pipeline 101 of liquid
At mouthful, the second sensing unit 300 is arranged on the water outlet of the cold pipeline 101 of liquid.
Processing unit 500 is receiving the amplification induced electricity that is transmitted by the first sensing unit 200 and the second sensing unit 300
After gesture, the induced potential of the second sensing unit 300 whether is equal to according to the induced potential of the first sensing unit 200, is judged whether
Generation leakage.If judging occur the phenomenon of leakage (i.e. the flow velocity of water inlet end and the flow rate of liquid of water side is unequal), processing is single
Member 500 inputs control signal to relay unit 400, disconnects relay unit 400 so that battery modules 100 are no longer to outside
Equipment 600 is powered, and reaches the purpose of protection battery modules 100.
Referring once again to Fig. 2, in the present embodiment, 3rd resistor R3 and the first light emitting diode D1 constitute display circuit,
Purpose is, user's the first sensing unit 400 can be pointed out in running order.First polar capacitor C2 and second resistance R2
Filter network is constituted, and the first electric capacity C1 realizes filter action for the first sensing unit 400 jointly.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of apparatus for testing weeping of battery modules liquid cooling system, including, it is characterised in that including to the battery modules
(100) the cold pipeline of liquid (101), the first sensing unit (200), the second sensing unit (300), the relay unit cooled
(400) and processing unit (500), the detection induction end of first sensing unit (200) is arranged at the cold pipeline of the liquid (101)
Water inlet end, the detection induction end of the second sensor (300) is arranged at the water side of the cold pipeline of the liquid (101)；
The output end of first sensing unit (200) is connected with the first input end of the processing unit (500), and described second
The output end of sensing unit (300) is connected with the second input of the processing unit (500)；
One end of the relay unit (400) is connected with the power supply output end of the battery modules (100), the other end and outside
Equipment (600) is connected；
The control output end of the processing unit (500) is connected with the control end of the relay unit (400), for controlling
State the break-make of battery modules (100) and the external equipment (600).
2. the apparatus for testing weeping of battery modules liquid cooling system according to claim 1, it is characterised in that described first passes
Sense unit (200) includes：First inductance L1, the first operational amplifier U1, the second operational amplifier U2, first resistor R1 and first
Slide rheostat W1, the first inductance L1 are used as the detection induction end of first sensing unit (200), second computing
Amplifier U2 output end as first sensing unit (200) output end；
One end of the first inductance L1 is connected with the normal phase input end of the first operational amplifier U1, other end ground connection；
The inverting input of the first operational amplifier U1 is connected with the output end of the first operational amplifier U1, and described
One operational amplifier U1 power end is connected with power Vcc, the earth terminal ground connection of the first operational amplifier U1；
The normal phase input end of the second operational amplifier U2 is connected with the output end of the first operational amplifier U1, and described
Two operational amplifier U2 inverting input respectively with one end of the first resistor R1 and the first slide rheostat W1
Resistance adjustable side is connected, and the output end of the second operational amplifier U2 is connected with one end of the first slide rheostat W1,
The power end of the second operational amplifier U1 is connected with power Vcc, the earth terminal ground connection of the second operational amplifier U2；
The other end ground connection of the first resistor R1.
3. the apparatus for testing weeping of battery modules liquid cooling system according to claim 2, it is characterised in that described first passes
Sense unit (200) also includes：First electric capacity C1, the first polar capacitor C2 and second resistance R2, the first electric capacity C1 are parallel to
The first inductance L1；
The positive pole of the first polar capacitor C2 is connected with the output end of the first operational amplifier U1, negative pole and described first
Operational amplifier U1 normal phase input end connection；
One end of the second resistance R2 is connected with the normal phase input end of the second operational amplifier U2, other end ground connection.
4. the apparatus for testing weeping of battery modules liquid cooling system according to claim 2, it is characterised in that described first passes
Sense unit (200) also includes：3rd resistor R3 and the first light emitting diode D1, one end of the 3rd resistor R3 and described second
Operational amplifier U2 output end connection, the other end is connected with the anode of the first light emitting diode D1；
The minus earth of the first light emitting diode D1.
5. the apparatus for testing weeping of battery modules liquid cooling system according to claim 1, it is characterised in that described second passes
Sense unit (300) includes：Second inductance L2, the 3rd operational amplifier U3, four-operational amplifier U4, the 4th resistance R4 and second
Slide rheostat W2, the second inductance L2 are used as the detection induction end of second sensing unit (300), the 4th computing
Amplifier U4 output end as second sensing unit (300) output end；
One end of the second inductance L2 is connected with the normal phase input end of the 3rd operational amplifier U3, other end ground connection；
The inverting input of the 3rd operational amplifier U3 is connected with the output end of the 3rd operational amplifier U3, and described
Three operational amplifier U3 power end is connected with power Vcc, the earth terminal ground connection of the 3rd operational amplifier U3；
The normal phase input end of the four-operational amplifier U4 is connected with the output end of the 3rd operational amplifier U3, and described
Four-operational amplifier U4 inverting input respectively with one end of the 4th resistance R4 and the second slide rheostat W2
Resistance adjustable side is connected, and the output end of the 4th amplifier U4 is connected with one end of the second slide rheostat W2, described
Four-operational amplifier U4 power end is connected with power Vcc, the earth terminal ground connection of the four-operational amplifier U4；
The other end ground connection of the 4th resistance R4.
6. the apparatus for testing weeping of battery modules liquid cooling system according to claim 5, it is characterised in that described second passes
Sense unit (300) also includes：Second electric capacity C3, the second polar capacitor C4 and the 5th resistance R5, the second electric capacity C3 are parallel to
The second inductance L2；
The positive pole of the second polar capacitor C2 is connected with the output end of the 3rd operational amplifier U3, negative pole and the described 3rd
Operational amplifier U3 normal phase input end connection；
One end of the 5th resistance R5 is connected with the normal phase input end of the four-operational amplifier U4, other end ground connection.
7. the apparatus for testing weeping of battery modules liquid cooling system according to claim 5, it is characterised in that described second passes
Sense unit (300) also includes：6th resistance R6 and the second light emitting diode D2, one end and the described 4th of the 6th resistance R6
Operational amplifier U4 output end connection, the other end is connected with the anode of the second light emitting diode D2；
The minus earth of the second light emitting diode D2.
8. the apparatus for testing weeping of battery modules liquid cooling system according to claim 1, it is characterised in that also including alarm
Unit (700), the alarm unit (700) is connected with the processing unit (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514849.4A CN107328533A (en) | 2017-06-29 | 2017-06-29 | A kind of apparatus for testing weeping of battery modules liquid cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514849.4A CN107328533A (en) | 2017-06-29 | 2017-06-29 | A kind of apparatus for testing weeping of battery modules liquid cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107328533A true CN107328533A (en) | 2017-11-07 |
Family
ID=60197304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710514849.4A Withdrawn CN107328533A (en) | 2017-06-29 | 2017-06-29 | A kind of apparatus for testing weeping of battery modules liquid cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107328533A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081320A (en) * | 2019-04-11 | 2019-08-02 | 苏州浪潮智能科技有限公司 | A kind of liquid cooling system apparatus for testing weeping and detection method |
| CN111751742A (en) * | 2020-06-30 | 2020-10-09 | 上海瓶安新能源科技有限公司 | Battery pack water inlet and leakage detection device with self-checking function and control method |
| CN111751743A (en) * | 2020-06-30 | 2020-10-09 | 上海瓶安新能源科技有限公司 | Battery pack water detection device with self-checking function and control method thereof |
| CN113945332A (en) * | 2021-10-15 | 2022-01-18 | 华为技术有限公司 | Liquid leakage detection device and power supply |
-
2017
- 2017-06-29 CN CN201710514849.4A patent/CN107328533A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081320A (en) * | 2019-04-11 | 2019-08-02 | 苏州浪潮智能科技有限公司 | A kind of liquid cooling system apparatus for testing weeping and detection method |
| CN110081320B (en) * | 2019-04-11 | 2021-05-25 | 苏州浪潮智能科技有限公司 | Liquid leakage detection device and detection method for liquid cooling system |
| CN111751742A (en) * | 2020-06-30 | 2020-10-09 | 上海瓶安新能源科技有限公司 | Battery pack water inlet and leakage detection device with self-checking function and control method |
| CN111751743A (en) * | 2020-06-30 | 2020-10-09 | 上海瓶安新能源科技有限公司 | Battery pack water detection device with self-checking function and control method thereof |
| CN111751742B (en) * | 2020-06-30 | 2022-12-02 | 上海瓶安新能源科技有限公司 | Battery pack water inlet and leakage detection device with self-checking function and control method |
| CN111751743B (en) * | 2020-06-30 | 2022-12-02 | 上海瓶安新能源科技有限公司 | Battery pack water detection device with self-checking function and control method thereof |
| CN113945332A (en) * | 2021-10-15 | 2022-01-18 | 华为技术有限公司 | Liquid leakage detection device and power supply |
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Application publication date: 20171107 |