CN108332916A - A kind of fuel tank leakproofness detects warning system automatically - Google Patents
A kind of fuel tank leakproofness detects warning system automatically Download PDFInfo
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- CN108332916A CN108332916A CN201810042139.0A CN201810042139A CN108332916A CN 108332916 A CN108332916 A CN 108332916A CN 201810042139 A CN201810042139 A CN 201810042139A CN 108332916 A CN108332916 A CN 108332916A
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- Prior art keywords
- fuel tank
- programmable controller
- warning system
- plc programmable
- electrically connected
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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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/10—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a kind of fuel tank leakproofness to detect warning system automatically.It includes PLC programmable controller, cylinder assembly, for installing fuel tank testing agency, water storage mechanism, warning system and shell, the cylinder assembly is mounted on the top in shell, the testing agency is mounted on the middle part in shell, the water storage mechanism is mounted on the lower part in shell, the cylinder assembly is connect with testing agency, and the PLC programmable controller is electrically connected with cylinder assembly, testing agency, water storage mechanism and warning system respectively.The beneficial effects of the invention are as follows：Simple in structure, easy to assembly, easy to operate, cheap, safety and stability performance is good, and practicability can meet more by force the needs of medium-sized and small enterprises, meets the needs of different operating environment, and adaptability is stronger, the requirement and ordinary maintenance personnel to user it is of less demanding.
Description
Technical field
The present invention relates to fuel tank correlative technology field, referring in particular to a kind of fuel tank leakproofness, detection warns and is automatically
System.
Background technology
With the development of economy, more and more families possess automobile, are brought convenience to the trip of people, and the peace of automobile
Dress performance is also increasingly favored by user, some convenient and practical function users can also propose more demands, to meet reality
The demand of border life.Existing automation equipment program is more complicated, to operating educational requirement and the professional technique requirement of employee
Relatively high and price is more expensive, and the expensive automation development to enterprise that medium-sized and small enterprises can not also bear automation equipment is brought
Certain drawbacks.
Chinese patent Authorization Notice No.：CN 102494850A, disclose a kind of combustion at authorized announcement date on June 18th, 2014
Fuel tank device for detecting sealability, including bottom plate and the ventilating mechanism that can be connected with fuel tank have on the bottom plate open
The case mouth top of water tank, the water tank compresses component equipped with what can be leant with fuel tank, and described compresses component and bottom plate
Between be equipped with can drive and compress component movement and make to compress component by fuel tank indentation water surface actuator below.The deficiency of the invention
Place is, safety precautions is not present, leading to fuel tank, there are security risks in detection process；Intelligence does not carry simultaneously
Awake device so that user needs to pay close attention to the detection device in real time to obtain detection data, considerably increases working strength, reduces
Working efficiency；The device stability is poor simultaneously and operation is complex.
Invention content
The present invention be in order to overcome the above deficiencies in the prior art, provide a kind of safety and stability performance it is good and grasp
Make easy fuel tank leakproofness and detects warning system automatically.
To achieve the goals above, the present invention uses following technical scheme：
A kind of fuel tank leakproofness detects warning system automatically, the leakproofness for detecting fuel tank, including PLC programmable
Controller, cylinder assembly, the testing agency for installing fuel tank, water storage mechanism, warning system and shell, the cylinder assembly
Top in shell, the testing agency are mounted on the middle part in shell, and the water storage mechanism is mounted on shell
Interior lower part, the cylinder assembly are connect with testing agency, and the fuel tank is mounted in testing agency, the PLC
Programmable controller is electrically connected with cylinder assembly, testing agency, water storage mechanism and warning system respectively.
The present invention is used cooperatively by cylinder assembly and testing agency, to realize the lifting of fuel tank；Pass through Water-storage machine
The design of structure, to realize the detection of fuel tank leakproofness；By the design of warning system, to remind user that can acquire in time
Detection data, while reason of debugging, to improve the safety and stability performance of the system；Whole system is driven by cylinder assembly
Running enormously simplifies operation, simple in structure, easy to assembly, simple operation.
Preferably, the cylinder assembly includes cylinder, tracheae, check valve and air pump, the check valve is mounted on
On air pump, the cylinder is connect by tracheae with check valve, the PLC programmable controller be connected with A/D converter and
Timer, the check valve are electrically connected by A/D converter with PLC programmable controller, and the timer can be compiled with PLC
Range controller is electrically connected.Air pump realizes that inflation/deflation enormously simplifies the system to meet the action of cylinder by tracheae to cylinder
Structure, while by the design of check valve, also greatly simplifying the operation of the system.
Preferably, the cylinder assembly further includes the signal acquisition for whether having bubble to emerge for detecting water storage mechanism
Device, the signal pickup assembly are electrically connected by A/D converter with PLC programmable controller.Pass through signal pickup assembly
Design, the leakproofness of fuel tank can be detected in real time.
Preferably, the testing agency includes detection device, infrared sensor and guide rod, fuel tank peace
In detection device, the infrared sensor is installed on detection means, and one end of the guide rod is mounted on detection and fills
It sets on upper surface, partition board is equipped between the testing agency and cylinder assembly, the cylinder runs through partition board and detection device
Connection, the other end of the guide rod are placed in the top in shell through partition board, and the check valve passes through tracheae and fuel tank
Connection, the infrared sensor are electrically connected by A/D converter with PLC programmable controller.By the design of partition board, prevent
Water storage mechanism has an impact signal pickup assembly, and leads to the damage of signal pickup assembly, and improve the system uses the longevity
Life.
Preferably, one end that the cylinder is connect with detection device is equipped with cushion block, the lower face of the detection device
Be equipped with microswitch, the cushion block and microswitch are opposite up and down, the fuel tank be placed in cushion block and microswitch it
Between, the microswitch is electrically connected with PLC programmable controller.By the design of cushion block, cylinder pair can be effectively prevented
Fuel tank is caused to wear or be damaged；And by the design of microswitch, it can understand in real time in detection device with the presence or absence of combustion
Fuel tank, in order to detect the leakproofness of fuel tank in time.
Preferably, the testing agency further includes air gauge, sender unit and signal receiving device, the gas
Table is pressed to be mounted on fuel tank, the air gauge is connect with sender unit, and the sender unit connects with signal
Receiving apparatus docks, and the signal receiving device is electrically connected by A/D converter with PLC programmable controller.It is set by above-mentioned
Meter so that the numerical value detected can be passed to PLC programmable controller by air gauge in real time, to meet the real-time inspection of fuel tank
It surveys.
Preferably, the water storage mechanism includes water tank, water injection valve, drain valve and liquid level sensor, the storage
Water tank is connected to the middle part in shell, and the water injection valve is mounted on the upper end of water tank and close being connected with testing agency
Place, the drain valve are mounted on the bottom of water tank, and the liquid level sensor is mounted on the top of water tank and is placed in note
The lower section of water valve, the liquid level sensor are electrically connected by A/D converter with PLC programmable controller.Liquid level sensor
Design, can detect the water level in water tank, to ensure that fuel tank disclosure satisfy that sealing propertytest demand, while also ensure in real time
The accuracy of fuel tank sealing propertytest.
Preferably, the water tank is internally provided with water temperature sensor, the outside of the shell is passed equipped with environment temperature
The bottom of sensor, the water tank is equipped with heating device, and the heating device is connected with circuit breaker, the water temperature sensor
It is electrically connected with PLC programmable controller by A/D converter with environment temperature sensor, the heating device passes through power-off
Device is electrically connected with PLC programmable controller.By the inside and outside comparison of two temperature sensors, to prevent ambient temperature too low
The accuracy of fuel tank sealing propertytest is influenced, while also allowing for user and operating.
Preferably, the warning system includes alarm and status indicator lamp, the alarm and state instruction
Lamp is installed on the lateral surface of shell, and the alarm and status indicator lamp are electrically connected with PLC programmable controller.It is logical
The design for crossing alarm and status indicator lamp, to inform the testing result of operator's fuel tank in real time.
Preferably, the warning system further includes flashing relay, emergency warning lamp and voice prompt device, the sudden strain of a muscle
Optical relay, emergency warning lamp and voice prompt device are installed on the lateral surface of shell, and the emergency warning lamp passes through relay of glistening
Device is electrically connected with PLC programmable controller, and the voice prompt device is electrically connected with PLC programmable controller.Pass through flash of light
The design of relay, emergency warning lamp and voice prompt device, to inform failure existing for operator in real time and to take timely measure
To debug.
The beneficial effects of the invention are as follows：It is simple in structure, easy to assembly, easy to operate, cheap, safety and stability performance
Good, practicability can meet more by force the needs of medium-sized and small enterprises, meet the needs of different operating environment, and adaptability is stronger, to using
The requirement of person and ordinary maintenance personnel's is of less demanding.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
In figure：1. status indicator lamp, 2. environment temperature sensors, 3. check valves, 4. cushion blocks, 5. water temperature sensors, 6. shells
Body, 7. water tanks, 8. heating devices, 9. cylinders, 10. guide rods, 11. signal pickup assemblies, 12. detection devices, 13. fuel oils
Case, 14. microswitches, 15. water injection valves, 16. liquid level sensors, 17. drain valves, 18. tracheaes, 19. partition boards.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as described in Figure 1, a kind of fuel tank leakproofness detects warning system automatically, for detecting fuel tank 13
Leakproofness, including PLC programmable controller, cylinder assembly, for installing 13 testing agency of fuel tank, water storage mechanism, warning
System and shell 6, cylinder assembly are mounted on the top in shell 6, and testing agency is mounted on the middle part in shell 6, water storage mechanism
Lower part in shell 6, cylinder assembly are connect with testing agency, PLC programmable controller respectively with cylinder assembly, detection
Mechanism, water storage mechanism and warning system electrical connection.
Cylinder assembly includes cylinder 9, tracheae 18, check valve 3 and air pump, and check valve 3 is mounted on air pump, and cylinder 9 passes through
Tracheae 18 is connect with check valve 3, and PLC programmable controller is connected with A/D converter and timer, and check valve 3 is converted by A/D
Device is electrically connected with PLC programmable controller, and timer is electrically connected with PLC programmable controller.It further includes for detecting water storage
Whether mechanism has the signal pickup assembly 11 that bubble is emerged, signal pickup assembly 11 to pass through A/D converter and PLC PLC technologies
Device is electrically connected.
Testing agency includes detection device 12, infrared sensor and guide rod 10, and fuel tank 13 is mounted on detection device 12
Interior, infrared sensor is mounted in detection device 12, and one end of guide rod 10 is mounted on 12 upper surface of detection device, detection machine
Partition board 19 is equipped between structure and cylinder assembly, cylinder 9 is connect through partition board 19 with detection device 12, and the other end of guide rod 10 passes through
It wears partition board 19 and is placed in the top in shell, check valve 3 is connect by tracheae 18 with fuel tank 13, and infrared sensor is turned by A/D
Parallel operation is electrically connected with PLC programmable controller.Wherein：One end that cylinder 9 is connect with detection device 12 is equipped with cushion block 4, detection
The lower face of device 12 is equipped with microswitch 14, and cushion block 4 and about 14 microswitch are opposite, fuel tank 13 be placed in cushion block 4 with
Between microswitch 14, microswitch 14 is electrically connected with PLC programmable controller.It further includes air gauge, sender unit
And signal receiving device, air gauge be mounted on fuel tank 13 on, air gauge is connect with sender unit, sender unit and
Signal receiving device docks, and signal receiving device is electrically connected by A/D converter with PLC programmable controller.
Water storage mechanism includes water tank 7, water injection valve 15, drain valve 17 and liquid level sensor 16, water tank 7 in shell
Middle part is connected to, and water injection valve 15 is mounted on the upper end of water tank 7 and the close joining place with testing agency, and drain valve 17 is mounted on storage
The bottom of water tank 7, liquid level sensor 16 are mounted on the top of water tank 7 and are placed in the lower section of water injection valve 15, liquid level sensor 16
It is electrically connected with PLC programmable controller by A/D converter.Wherein：Water tank 7 is internally provided with water temperature sensor 5, shell 6
Outside be equipped with environment temperature sensor 2, the bottom of water tank 7 is equipped with heating device 8, and heating device 8 is connected with circuit breaker, water
Temperature sensor 5 is electrically connected by A/D converter with PLC programmable controller with environment temperature sensor 2, and heating device 8 is logical
Circuit breaker is crossed to be electrically connected with PLC programmable controller.
Warning system includes alarm and status indicator lamp 1, and alarm and status indicator lamp 1 are installed in the outer of shell 6
On side, alarm and status indicator lamp 1 are electrically connected with PLC programmable controller.It further includes flashing relay, emergency warning lamp
And voice prompt device, flashing relay, emergency warning lamp and voice prompt device are installed on the lateral surface of shell 6, emergency warning lamp
It is electrically connected with PLC programmable controller by flashing relay, voice prompt device is electrically connected with PLC programmable controller.Its
In：Alarm is internally provided with loudspeaker, and loudspeaker are electrically connected with PLC programmable controller.
When needing the fuel tank 13 detected to be put into detection device 12, fuel tank 13 stops light path, infrared biography at this time
Sensor should act one switch control signal of output, and one is provided to control unit PLC programmable controller by A/D converter
The analog signals of a correlative variation, PLC programmable controller instruct check valve 3 to work, by tracheae 18 to inside cylinder 9
Inflation so that cylinder 9 declines, and fuel tank 13 is completely immersed in the water of water tank 7 (when 9 stroke of cylinder reaches maximum), with this
PLC programmable controller can pass through PLC programmable controller simultaneously when receiving the signal that infrared sensor is fed back simultaneously
Instruction timer is worked (the 9 decline process required time of cylinder sets), is reached when the time that timer is recorded
When setting value, cylinder 9 drops to range, and fuel tank 13 is completely immersed in water, and timer turns this signal by A/D at this time
Parallel operation is input to PLC programmable controller, and PLC programmable controller can instruct check valve 3 to carry out work when receiving this signal
Make, air pump is connected, and is inflated into fuel tank 13 by tracheae 18, and when the gas being filled with reaches the pressure of setting, air gauge connects
Logical sender unit sends out this signal, and signal receiving device is believed this by A/D converter when receiving this signal
Number it being input to PLC programmable controller, PLC programmable controller can instruct check valve 3 to be stopped when receiving this signal,
Fuel tank 13 stops inflation, and PLC programmable controller command signal harvester 11 can work simultaneously, be to fuel tank 13
No gas leakage is detected (whether mainly acquire in water tank 7 has bubble to emerge), when there is bubble to emerge, signal pickup assembly
This information can be input to PLC programmable controller by 11 by A/D converter, and PLC programmable controller is receiving this signal
When alarm can be instructed to start to work, warn to staff, while the when red of status indicator lamp 1, to staff remind
The sealing propertytest of the fuel tank 13 is unqualified；When bubble-free is emerged, signal pickup assembly 11 converts this information by A/D
Device is input to PLC programmable controller, and PLC programmable controller can instruct loudspeaker to work when receiving this signal, and simultaneously
1 green light of command status indicator light lights, horns blared 2 times, every minor tick 0.5 second, at this point, PLC programmable controller can instruction sheet
It is opened to valve 3 so that cylinder 9 is deflated, and to which detection device 12 rises, cylinder 9 is restored to original operating states, and staff will
Fuel tank 13 in detection device 12 after removing, and the connection of infrared sensor signal is restored to original operating states, at this time infrared biography
The signal of reset is inputted PLC programmable controller by sensor by A/D converter, and PLC programmable controller is receiving this letter
Number when instruction loudspeaker work (horns blared 2 times, per minor tick 0.5 second), while 1 amber light of command status indicator light is bright, to work people
Member reminds detection device 12 to be in and waits for working condition.
Heating device 8 is designed in this system, the water temperature when weather cold for detection is too low, and staff's operation is tired
Outdoor temperature is inputted PLC programmable controller, PLC programmable controller by difficulty, environment temperature sensor 2 by A/D converter
Circuit breaker can be instructed to work when receiving this signal, circuit breaker connects post heating device 8 and starts to work, and works as water temperature heating
When to assigned temperature, this signal is inputted PLC programmable controller by water temperature sensor 5 by A/D converter, and PLC is programmable
Controller instructs circuit breaker to be stopped when receiving this signal, and heating device 8 is also stopped, and water temperature is in rational temperature
Degree state.
Liquid level sensor 16 is designed in this system, when the water in water tank 7 cannot be satisfied need of work, at this time by this
Signal is input to PLC programmable controller by A/D converter, and PLC programmable controller can be instructed when receiving this signal
Loudspeaker work, while flashing relay being instructed to work, and emergency warning lamp works after flashing relay is connected, and shows to staff
It is alert, while instruction voice suggestion device works, and voice prompt is carried out to staff.
Claims (10)
1. a kind of fuel tank leakproofness detects warning system automatically, the leakproofness for detecting fuel tank (13), characterized in that packet
Include PLC programmable controller, cylinder assembly, the testing agency for installing fuel tank (13), water storage mechanism, warning system and shell
Body (6), the cylinder assembly are mounted on the top in shell (6), and the testing agency is mounted on the middle part in shell (6),
The water storage mechanism is mounted on the lower part in shell (6), and the cylinder assembly is connect with testing agency, and the PLC can
Programmable controller is electrically connected with cylinder assembly, testing agency, water storage mechanism and warning system respectively.
2. a kind of fuel tank leakproofness according to claim 1 detects warning system automatically, characterized in that the cylinder
Component includes cylinder (9), tracheae (18), check valve (3) and air pump, and the check valve (3) is mounted on air pump, the gas
Cylinder (9) is connect by tracheae (18) with check valve (3), and the PLC programmable controller is connected with A/D converter and timing
Device, the check valve (3) are electrically connected by A/D converter with PLC programmable controller, and the timer can be compiled with PLC
Range controller is electrically connected.
3. a kind of fuel tank leakproofness according to claim 2 detects warning system automatically, characterized in that the cylinder
(9) component further includes the signal pickup assembly (11) for whether having bubble to emerge for detecting water storage mechanism, the signal acquisition
Device (11) is electrically connected by A/D converter with PLC programmable controller.
4. a kind of fuel tank leakproofness according to claim 2 or 3 detects warning system automatically, characterized in that described
Testing agency includes detection device (12), infrared sensor and guide rod (10), and the fuel tank (13) is mounted on detection and fills
It sets in (12), the infrared sensor is mounted in detection device (12), and one end of the guide rod (10) is mounted on detection
On device (12) upper surface, between the testing agency and cylinder assembly be equipped with partition board (19), the cylinder (9) run through every
Plate (19) is connect with detection device (12), and the other end of the guide rod (10) is placed in upper in shell (6) through partition board (19)
Portion, the check valve (3) are connect by tracheae (18) with fuel tank (13), and the infrared sensor passes through A/D converter
It is electrically connected with PLC programmable controller.
5. a kind of fuel tank leakproofness according to claim 4 detects warning system automatically, characterized in that the cylinder
(9) one end being connect with detection device (12) is equipped with cushion block (4), and the lower face of the detection device (12) is opened equipped with fine motion
It closes (14), the cushion block (4) is opposite up and down with microswitch (14), and the fuel tank (13) is placed in cushion block (4) and fine motion
Between switching (14), the microswitch (14) is electrically connected with PLC programmable controller.
6. a kind of fuel tank leakproofness according to claim 4 detects warning system automatically, characterized in that the detection machine
Structure further includes air gauge, sender unit and signal receiving device, and the air gauge is mounted on fuel tank (13), described
Air gauge connect with sender unit, the sender unit is docked with signal receiving device, and the signal connects
Receiving apparatus is electrically connected by A/D converter with PLC programmable controller.
7. a kind of fuel tank leakproofness according to claim 4 detects warning system automatically, characterized in that the water storage
Mechanism includes water tank (7), water injection valve (15), drain valve (17) and liquid level sensor (16), the water tank (7) and shell
(6) the middle part connection in, the water injection valve (15) are mounted on the upper end of water tank (7) and close being connected with testing agency
Place, the drain valve (17) are mounted on the bottom of water tank (7), and the liquid level sensor (16) is mounted on water tank (7)
Top and be placed in the lower sections of water injection valve (15), the liquid level sensor (16) passes through A/D converter and PLC PLC technologies
Device is electrically connected.
8. a kind of fuel tank leakproofness according to claim 7 detects warning system automatically, characterized in that the water tank
(7) be internally provided with water temperature sensor (5), the outside of the shell (6) is equipped with environment temperature sensor (2), the water tank
(7) bottom is equipped with heating device (8), and the heating device (8) is connected with circuit breaker, the water temperature sensor (5) with
Environment temperature sensor (2) is electrically connected by A/D converter with PLC programmable controller, and the heating device (8) passes through
Circuit breaker is electrically connected with PLC programmable controller.
9. a kind of fuel tank leakproofness according to claim 1 detects warning system automatically, characterized in that described warns
System includes alarm and status indicator lamp (1), and the alarm and status indicator lamp (1) are installed in the outer of shell (6)
On side, the alarm and status indicator lamp (1) are electrically connected with PLC programmable controller.
10. a kind of fuel tank (13) leakproofness according to claim 9 detects warning system automatically, characterized in that described
Warning system further include flashing relay, emergency warning lamp and voice prompt device, the flashing relay, emergency warning lamp and voice
Suggestion device is installed on the lateral surface of shell (6), and the emergency warning lamp passes through flashing relay and PLC programmable controller
Electrical connection, the voice prompt device are electrically connected with PLC programmable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810042139.0A CN108332916A (en) | 2018-01-16 | 2018-01-16 | A kind of fuel tank leakproofness detects warning system automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810042139.0A CN108332916A (en) | 2018-01-16 | 2018-01-16 | A kind of fuel tank leakproofness detects warning system automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108332916A true CN108332916A (en) | 2018-07-27 |
Family
ID=62926096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810042139.0A Pending CN108332916A (en) | 2018-01-16 | 2018-01-16 | A kind of fuel tank leakproofness detects warning system automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108332916A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05281077A (en) * | 1992-03-31 | 1993-10-29 | Suzuki Motor Corp | Pressure leakage testing machine |
| CN101629866A (en) * | 2009-06-02 | 2010-01-20 | 广州市番禺科腾工业有限公司 | Detection machine universally used for air and water detection of sealing performance |
| CN201497618U (en) * | 2009-09-04 | 2010-06-02 | 常州机电职业技术学院 | Water passage leak tester for cylinder head of diesel engine |
| CN202547894U (en) * | 2012-03-31 | 2012-11-21 | 杭州日出电子有限公司 | Valve tightness detecting system |
| CN203534772U (en) * | 2013-09-04 | 2014-04-09 | 上海诺信汽车零部件有限公司 | Automatic leakage testing device |
| CN103983408A (en) * | 2014-06-03 | 2014-08-13 | 程进才 | Detection tool of irregular sensor |
| CN205373973U (en) * | 2016-02-23 | 2016-07-06 | 无锡市贝尔机械股份有限公司 | Oil pan gas tightness leakage -testing device |
| CN205483431U (en) * | 2016-03-31 | 2016-08-17 | 重庆继联机电有限公司 | Casing gas tightness test equipment |
| CN206683824U (en) * | 2017-04-18 | 2017-11-28 | 广元市安驭铝合金车轮有限公司 | Wheel hub gas tightness testing machine |
-
2018
- 2018-01-16 CN CN201810042139.0A patent/CN108332916A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05281077A (en) * | 1992-03-31 | 1993-10-29 | Suzuki Motor Corp | Pressure leakage testing machine |
| CN101629866A (en) * | 2009-06-02 | 2010-01-20 | 广州市番禺科腾工业有限公司 | Detection machine universally used for air and water detection of sealing performance |
| CN201497618U (en) * | 2009-09-04 | 2010-06-02 | 常州机电职业技术学院 | Water passage leak tester for cylinder head of diesel engine |
| CN202547894U (en) * | 2012-03-31 | 2012-11-21 | 杭州日出电子有限公司 | Valve tightness detecting system |
| CN203534772U (en) * | 2013-09-04 | 2014-04-09 | 上海诺信汽车零部件有限公司 | Automatic leakage testing device |
| CN103983408A (en) * | 2014-06-03 | 2014-08-13 | 程进才 | Detection tool of irregular sensor |
| CN205373973U (en) * | 2016-02-23 | 2016-07-06 | 无锡市贝尔机械股份有限公司 | Oil pan gas tightness leakage -testing device |
| CN205483431U (en) * | 2016-03-31 | 2016-08-17 | 重庆继联机电有限公司 | Casing gas tightness test equipment |
| CN206683824U (en) * | 2017-04-18 | 2017-11-28 | 广元市安驭铝合金车轮有限公司 | Wheel hub gas tightness testing machine |
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180727 |