CN207395988U - A kind of four-way air-leakage detector - Google Patents
A kind of four-way air-leakage detector Download PDFInfo
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- CN207395988U CN207395988U CN201820064571.5U CN201820064571U CN207395988U CN 207395988 U CN207395988 U CN 207395988U CN 201820064571 U CN201820064571 U CN 201820064571U CN 207395988 U CN207395988 U CN 207395988U
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Abstract
The utility model discloses a kind of four-way air-leakage detector, including controller, pressure regulation filter, air intake control valve, four output control valves, industrial installation device for testing, air inlet pressure sensor and four pressure sensors.Each pressure sensor pressure value measured is inflated and collected to measured piece according to setting for controller and the parameter set is compared, and judges whether test product is qualified according to the changing value of pressure in setting time.The four-way air-leakage detector of the utility model is simple in structure, one detector can connect four industrial installation device for testing and be detected simultaneously, can pair of wire connection terminals be used for quickly detecting, and each data variation of detection process can be observed on the screen, and intuitively judge whether the air-tightness of wire connection terminal meets the requirements according to indicator light, the technical issues of helping to solve existing air-tightness testing device inconvenience intuitively pair of wire connection terminals be used for quickly detecting.
Description
Technical field
The utility model is related to electric elements testing equipment field more particularly to a kind of four-way air-leakage tests
Instrument.
Background technology
Wire connection terminal is a kind of communication accessory product for being used to implement electrical connection, their effect mainly transfer electric signal or
Conduction is used., it is necessary to which whether the air-tightness for testing wire connection terminal complies with standard before dispatching from the factory.Existing air-tightness testing device is inconvenient
Intuitively pair of wire connection terminals is used for quickly detecting.
Therefore, the prior art has much room for improvement and develops.
Utility model content
The purpose of this utility model is to provide a kind of four-way air-leakage detectors, it is intended to solve existing air-tightness and survey
The technical issues of trying equipment inconvenience intuitively pair of wire connection terminals be used for quickly detecting.
The technical solution of the utility model is as follows：
A kind of four-way air-leakage detector, wherein, including controller, pressure regulation filter, air intake control valve, output control
Valve, industrial installation device for testing, air inlet pressure sensor and pressure sensor；Pressure regulation filter, air intake control valve, output control valve
It is sequentially connected with industrial installation device for testing, air inlet pressure sensor is arranged between pressure regulation filter and air intake control valve, for examining
Survey the pressure value after adjustment；There are four output control valve is set, four output control valves are connected with air intake control valve, each defeated
Go out control valve to be connected with an industrial installation device for testing；There are four pressure sensor is also provided with, output control valve is separately positioned on
Between industrial installation device for testing, for the real-time pressure value inside detection piece；Industrial installation device for testing is for fixing part to be measured, with treating
Survey the test space that part formation can be inflated；Air intake control valve, output control valve, air inlet pressure sensor and pressure sensor with
Controller is electrically connected；Controller includes screen, channel selection circuit, parameter setting circuit, pattern of pressure selection circuit, judgement electricity
Road and indicator light, screen are connected with channel selection circuit, and channel selection circuit is for the state of four output control valves of control, root
Corresponding output control valve is opened according to any one or several passages of user's selection；Channel selection circuit is selected with pattern of pressure
Circuit is connected with parameter setting circuit；Decision circuitry is connected with pattern of pressure selection circuit, parameter setting circuit and indicator light, is used
It in the data for receiving air inlet pressure sensor and pressure sensor transmission and judges, indicator light is made to work.
The four-way air-leakage detector, wherein, it is airtight including pedestal, lifting cylinder, tight tank and compaction mold
Tank is arranged on pedestal, and lifting cylinder is connected with compaction mold, and compaction mold is driven to move up and down above tight tank；Gas
Close tank includes can body and tank shell, several perforative terminal sealing positions are provided on tank shell, and tank shell is also set up there are one inflating port,
Inflating port is connected with one of terminal sealing position；Can body inner hollow, tank shell are arranged at the top of can body, terminal sealing position and tank
Connection, inflating port are connected with output control valve inside body, make output control valve that can be inflated to can body；Compaction mold is treated for compressing
The round mouth type terminal of detection.
The four-way air-leakage detector, wherein, there are one rubber layers for the lower surface setting of compaction mold.
The four-way air-leakage detector, wherein, lifting and guiding device is further included, lifting and guiding device includes pedestal
Plate, lead, mold connecting plate and die setting base；Pedestal plate shape is square, and lead is provided with four, sets respectively
Four corner locations in base plate lower surface, the bottom of lead is arranged on pedestal；Lifting cylinder is set on the base mounting plate,
Axis hole is provided in the middle part of base plate, the cylinder axis of lifting cylinder are stretched out and are connected with the upper surface of mold connecting plate, mould from axis hole
Four corner locations of tool connecting plate are provided with the pilot hole with lead cooperation；Die setting base is arranged on pedestal, tight tank
The upper surface of die setting base is arranged on, compaction mold is arranged on the lower surface of mold connecting plate, and position is corresponding with tight tank.
The four-way air-leakage detector, wherein, die setting base, tight tank and compaction mold are provided with two groups,
Die setting base and tight tank are symmetrically disposed on as symmetry axis on pedestal using the cylinder axis of lifting cylinder, and two groups of compaction molds are set
It is corresponding with the position of tight tank on mold connecting plate.
The four-way air-leakage detector, wherein, inflating port is arranged on the middle part of the side of tank shell, and positioned at tank shell
Intermediate terminal sealing position connection.
The four-way air-leakage detector, wherein, the can body shape of tight tank is cuboid.
The four-way air-leakage detector, wherein, tank shell is provided at both ends with screw hole.
The four-way air-leakage detector, wherein, inflating port is connected with a hose.
Advantageous effect：The four-way air-leakage detector of the utility model is simple in structure, can pair of wire connection terminals carry out it is fast
Speed detection, and each data variation of detection process can be observed on the screen, and terminals are intuitively judged according to indicator light
Whether the air-tightness of son meets the requirements, help to solve existing air-tightness testing device inconvenience intuitively pair of wire connection terminals into
The technical issues of row quickly detects.And the utility model proposes a kind of industrial installation device for testing for common round mouth type terminal
Structure, there is provided the tight tanks and compaction mold specifically for round mouth type terminal, can be carried out from the terminals of round mouth type terminal
Inflation, is connected with the output control valve of four-way air-leakage detector and is tested, be capable of the gas of efficient detection round mouth type terminal
Close property.
Description of the drawings
Fig. 1 is the construction module schematic diagram of four-way air-leakage detector.
Fig. 2 is the construction module schematic diagram of controller.
Fig. 3 is the structure diagram of round mouth type terminal.
Fig. 4 is the front view of industrial installation device for testing.
Fig. 5 is the side view of industrial installation device for testing.
Fig. 6 is the schematic diagram of tight tank and compaction mold.
Fig. 7 is the top view of the tank shell of tight tank.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein
Same or similar label represents same or similar element or has the function of same or like element from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and it is not intended that this practicality
New limitation.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for
Convenient for description the utility model and simplify description rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " first ",
" second " is only used for description purpose, and it is not intended that indicating or implying relative importance or imply the technology indicated by indicating
The quantity of feature." first " is defined as a result, the feature of " second " can be expressed or implicitly include one or more
The feature.In the description of the utility model, " multiple " are meant that two or more, unless otherwise clearly specific
It limits.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanically connected or be electrically connected or can mutually communicate；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the interaction relationship of connection inside two elements or two elements.For this field
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can be contacted directly including the first and second features, it is not to contact directly but lead to that can also include the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward or only
Represent that fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component and setting of specific examples are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relation between setting.In addition, various specific techniques and the example of material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
It refer to Fig. 1, Fig. 1 is the construction module schematic diagram of four-way air-leakage detector, four-way air-leakage detector
Mainly include controller 6, pressure regulation filter 7, air intake control valve 8, output control valve 9, industrial installation device for testing 1, admission pressure to pass
Sensor 10 and pressure sensor 11.Pressure regulation filter 7, air intake control valve 8, output control valve 9 and industrial installation device for testing 1 connect successively
It connects, air inlet pressure sensor 10 is arranged between pressure regulation filter 7 and air intake control valve 8, for detecting the pressure value after adjusting.
It is respectively the first output control valve 9, the second output control valve, the 3rd output control valve and the there are four output control valve 9 is set
Four output control valves, four output control valves 9 are connected with air intake control valve 8, and each output control valve 9 tests work with one
Standby 1 connection of installing.It is respectively first pressure sensor 11, second pressure sensor, the there are four pressure sensor 11 is also provided with
Three pressure sensors and the 4th pressure sensor, are separately positioned between output control valve 9 and industrial installation device for testing 1, for examining
Survey the real-time pressure value inside part.For example, first pressure sensor be arranged on the first output control valve and industrial installation device for testing 1 it
Between, the rest may be inferred for excess-three group, specific as shown in Figure 1.Industrial installation device for testing 1, can with part to be measured formation for fixing part to be measured
The inflated test space.Air intake control valve 8, output control valve 9, air inlet pressure sensor 10 and second pressure sensor 11 with
Controller 6 is electrically connected, specifically, the signal that air inlet pressure sensor 10 and second pressure sensor 11 are connected to controller 6 connects
Mouthful, air intake control valve 8, output control valve 9 are connected to the switch interface of controller 6.Specifically, referring to Fig. 2, controller 6 wraps
Include screen 61, channel selection circuit 62, parameter setting circuit 63, pattern of pressure selection circuit 64, decision circuitry 65 and indicator light
66, screen 61 is connected with channel selection circuit 62, and channel selection circuit 62 is for the state of four output control valves 9 of control, root
Corresponding output control valve 9, channel selection circuit 62 and pattern of pressure are opened according to any one or several passages of user's selection
Selection circuit 64 and parameter setting circuit 63 connect.Decision circuitry 65 and pattern of pressure selection circuit 64, parameter setting circuit 62
It connects with indicator light 66, for receiving the data of air inlet pressure sensor 10 and the transmission of pressure sensor 11 and judging, makes
Indicator light 66 works.Wherein, decision circuitry 65, pattern of pressure selection circuit 64 and parameter setting circuit 63 all can be used directly existing
The circuit structure for having technology realizes that controller 6 can be existing programmable single chip computer PLC controller.Four-way air-leakage test
The specific work process of instrument is as follows：First, then user sets ginseng by the selection of screen 61 using any one or several passages
Number and selection pattern of pressure.Arrange parameter mainly includes detection pressure value, pressing time and the dwell time of part to be measured and sentences
It is fixed whether qualified standard differential pressure value, these parameters are volume and technical standard according to part to be measured come definite.Pattern of pressure
It is divided into level pressure pattern and timing mode.Level pressure pattern is to start output control valve 9 to pressure sensor 11 to detect that air pressure reaches
Output control valve 9 is closed during setting value, and starts to start pressurize test；Timing mode is to start output control valve 9 to arrival to set
Output control valve 9 is closed after fixed pressing time and starts to start pressurize test.External compression air by pressure regulation filter 7 into
Enter air intake control valve 8.To avoid the excessive damage part to be checked of pressure, pressure regulation filter 7 need to adjust air pressure to the inspection slightly larger than setting
Pressure measurement force value, while the pressure value after adjustment is sent to controller 6 by air inlet pressure sensor 10, the detection pressure with setting
Force value is compared, if beyond the allowed band of detection pressure value, controller 6 will send alarm signal, and can't open
Air intake control valve 8.After pressure value after adjustment meets the requirements, air intake control valve 8 can be opened, and controller 6 adds according to selected
Die pressing type pressurizes, and starts detection program, prompting is into detection state on screen 61, and is fallen according to the dwell time of setting
Timing.The real-time pressure value inside part to be measured is shown on screen 61, decision circuitry 65 is automatically by real-time pressure within the dwell time
Value relatively and is judged with the difference and the standard differential pressure value of setting for detecting pressure value.When difference is in standard differential pressure value scope
Interior, indicator light 66 is bright, represents that part to be measured meets airtight requirement, is determined as qualification；When difference is not in the range of standard differential pressure value, refer to
Show that lamp 66 does not work, represent that part to be measured does not meet airtight requirement, be determined as unqualified.Decision circuitry 65 will be to institute when detecting next time
The new data received, which re-starts, to be compared and judges, will not be influenced by previous testing result.In entire detection process, air inlet pressure
The data that force snesor 10 and pressure sensor 11 measure real-time display all on screen 61, contributes to intuitive judgment detection process
In situation.In conclusion the four-way air-leakage detector of the utility model is simple in structure, can pair of wire connection terminals carry out it is fast
Speed detection, and each data variation of detection process can be observed on screen 61, and intuitively judge to connect according to indicator light 66
Whether the air-tightness of line terminals meets the requirements, and helps to solve existing air-tightness testing device inconvenience intuitively to dock line end
The technical issues of son is used for quickly detecting.
Specifically, wire connection terminal is there are many kinds of type and shape, round mouth type terminal is one of most common terminal on the market,
Its shape and structure is as shown in figure 3,01 be terminals in Fig. 3,02 is contact end.Common equipment is from the contact of round mouth type terminal
Part end 02 is inflated, but since there is screw thread at contact end 02 and end surface thickness is smaller, it is extremely difficult to sealing and sealing strip easily damages.For
This common round mouth type terminal, it is proposed that a preferred industrial installation device for testing 1.Distinguish referring to Fig. 4 and Fig. 5, Fig. 4 and Fig. 5
It is the front view and side view of industrial installation device for testing 1, industrial installation device for testing 1 mainly includes pedestal 12, lifting cylinder 2, tight tank 3
With compaction mold 4, tight tank 3 is arranged on pedestal 12, and lifting cylinder 2 is connected with compaction mold 4, drives compaction mold 4 in gas
The top of close tank 3 moves up and down.Referring to Fig. 6 and Fig. 7, tight tank 3 includes can body 31 and tank shell 32, if being provided on tank shell 32
Dry perforative terminal sealing position 33, for putting round mouth type terminal to be detected, specifically, 01 court of terminals of round mouth type terminal
To can body 31.Tank shell 32 is also set up there are one inflating port 34, and inflating port 34 is connected with one of terminal sealing position 33.Can body 31
Inner hollow, tank shell 32 are arranged at 31 top of can body, and terminal sealing position 33 is connected with 31 inside of can body.Inflating port 34 is controlled with output
Valve 9 processed connects, and makes output control valve 9 that can be inflated to can body 31, specifically, inflating port 34 is connected with a hose 35, outside hose 35
Footpath is preferably 6mm, i.e., inflating port 34 is connected by hose 35 with output control valve 9.Specifically, 32 shape of can body of tight tank 3
For cuboid.Tank shell 32 is arranged at 31 top of can body, and tank shell 32 is provided at both ends with screw hole, can be connected using screw with can body 31
It connects.Terminal sealing position 33 is connected with 31 inside of can body.Compaction mold 4 specifically compresses round mouth type for compressing round mouth type terminal
The contact end 02 of terminal ensures that round mouth type terminal will not be jacked up during inflation.The utility model proposes industrial installation device for testing 1
It is simple in structure, it, can be from the wiring of round mouth type terminal there is provided specifically for the tight tank 3 of round mouth type terminal and compaction mold 4
End 01 is inflated, can detector cooperation airtight with four-way tested, simplify operation.One inflating port 34 and one it is defeated
Go out control valve 9 to connect, once can at most connect four industrial installation device for testing 1 and be detected, it being capable of efficient detection round mouth type end
The air-tightness of son.
Further, when compressing, compaction mold 4 causes to damage to the contact end 02 of round mouth type terminal in order to prevent, presses
There are one rubber layers 41 for the lower surface setting of tight mold 4.
Further, industrial installation device for testing 1 can also include lifting and guiding device.Referring to Fig. 4 and Fig. 5, lifting is oriented to dress
It puts including base plate 51, lead 52, mold connecting plate 53 and die setting base 54.51 shape of base plate is square, is oriented to
Column 52 is provided with four, is respectively arranged at four corner locations of 51 lower surface of base plate, the bottom of lead 52 is arranged at bottom
On seat 12, Stud connection specifically can use.Lifting cylinder 2 is arranged on base plate 51, and the middle part of base plate 51 is provided with axis hole, lifting
The cylinder axis 21 of cylinder 2 are stretched out and are connected with the upper surface of mold connecting plate 53, four corners of mold connecting plate 53 from axis hole
Position is provided with the pilot hole coordinated with lead 52.Die setting base 54 is arranged on pedestal 12, and tight tank 3 is arranged on mold peace
The upper surface of seat 54 is filled, so can be padded by tight tank 3, prevent from being pressed onto the core of round mouth type terminal.Compaction mold 4 is arranged on
The lower surface of mold connecting plate 53, position are corresponding with tight tank 3.Preferably, in order to the more round mouth type terminals of one-time detection,
Work efficiency is improved, die setting base 54, tight tank 3 and compaction mold 4 are provided with two groups, die setting base 54 and tight tank 3
It is symmetrically disposed on the cylinder axis 21 of lifting cylinder 2 for symmetry axis on pedestal 12, two groups of compaction molds 4 are arranged on mold connecting plate
It is corresponding with the position of tight tank 3 on 53.
Specifically, referring to Fig. 7, inflating port 34 is arranged on the middle part of the side of tank shell 32, with the end among tank shell 32
Sub- sealing position 33 connects.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment or example description
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the utility model.In this explanation
In book, schematic expression of the above terms is not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can in an appropriate manner combine in any one or more embodiments or example.
In conclusion although the utility model is disclosed above with preferred embodiment, above preferred embodiment is not used
To limit the utility model, those of ordinary skill in the art without departing from the spirit and scope of the utility model, can make
It is various to change and retouch, therefore the scope of protection of the utility model is subject to the scope that claim defines.
Claims (9)
1. a kind of four-way air-leakage detector, which is characterized in that including controller, pressure regulation filter, air intake control valve, output
Control valve, industrial installation device for testing, air inlet pressure sensor and pressure sensor；The pressure regulation filter, air intake control valve, output
Control valve and industrial installation device for testing are sequentially connected, and the air inlet pressure sensor is arranged on the pressure regulation filter and air inlet control
Between valve, for detecting the pressure value after adjusting；
There are four the output control valve is set, four output control valves are connected with the air intake control valve, Mei Gesuo
Output control valve is stated to be connected with an industrial installation device for testing；The pressure sensor is set respectively there are four being also provided with
Between the output control valve and industrial installation device for testing, for the real-time pressure value inside detection piece；
The industrial installation device for testing forms the test space that can be inflated for fixing part to be measured, with part to be measured；It is described into gas control
Valve processed, output control valve, air inlet pressure sensor and pressure sensor are electrically connected with the controller；
The controller include screen, channel selection circuit, parameter setting circuit, pattern of pressure selection circuit, decision circuitry and
Indicator light, the screen are connected with the channel selection circuit, and the channel selection circuit is for four output control valves of control
State, corresponding output control valve is opened according to any one or the several passages that user selects；The channel selection circuit
It is connected with the pattern of pressure selection circuit and parameter setting circuit；The decision circuitry and the pattern of pressure selection circuit,
Parameter setting circuit is connected with indicator light, for receiving the data and work of the air inlet pressure sensor and pressure sensor transmission
Go out to judge, the indicator light is made to work.
2. four-way air-leakage detector according to claim 1, which is characterized in that the industrial installation device for testing includes bottom
Seat, lifting cylinder, tight tank and compaction mold, the tight tank are arranged on pedestal, the lifting cylinder and the pressure die
Tool connection, drives the compaction mold to move up and down above the tight tank；
The tight tank includes can body and tank shell, several perforative terminal sealing positions, the tank shell are provided on the tank shell
It also sets up there are one inflating port, the inflating port is connected with one of terminal sealing position；The can body inner hollow, the tank
Plate is arranged at the top of the can body, and with being connected inside the can body, the inflating port is controlled with the output for the terminal sealing position
Valve connection processed, makes the output control valve that can be inflated to the can body；The compaction mold is used to compress round mouth type to be detected
Terminal.
3. four-way air-leakage detector according to claim 2, which is characterized in that the lower surface of the compaction mold is set
Rubber layer there are one putting.
4. four-way air-leakage detector according to claim 2, which is characterized in that the industrial installation device for testing further includes
Lifting and guiding device, the lifting and guiding device include base plate, lead, mold connecting plate and die setting base；The base
Seat board shape is square, and the lead is provided with four, is respectively arranged at four corners position of the base plate lower surface
It puts, the bottom of the lead is arranged on the pedestal；The lifting cylinder is arranged on the base plate, the base plate
Middle part be provided with axis hole, the cylinder axis of the lifting cylinder are stretched out from axis hole and are connected with the upper surface of the mold connecting plate,
Four corner locations of the mold connecting plate are provided with the pilot hole with lead cooperation；The die setting base is arranged on
On the pedestal, the tight tank is arranged on the upper surface of the die setting base, and the compaction mold is arranged on the mold
The lower surface of connecting plate, position are corresponding with the tight tank.
5. four-way air-leakage detector according to claim 4, which is characterized in that the die setting base, tight tank
Compaction mold is provided with two groups, the die setting base and tight tank are using the cylinder axis of the lifting cylinder as symmetrical axial symmetry
It is arranged on pedestal, compaction mold described in two groups is arranged on the mold connecting plate, corresponding with the position of the tight tank.
6. four-way air-leakage detector according to claim 2, which is characterized in that the inflating port is arranged on the tank
The middle part of the side of plate is connected with the terminal sealing position among the tank shell.
7. four-way air-leakage detector according to claim 2, which is characterized in that the can body shape of the tight tank is
Cuboid.
8. four-way air-leakage detector according to claim 2, which is characterized in that the tank shell is provided at both ends with spiral shell
Hole.
9. four-way air-leakage detector according to claim 1, which is characterized in that the inflating port and a hose connect
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820064571.5U CN207395988U (en) | 2018-01-16 | 2018-01-16 | A kind of four-way air-leakage detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820064571.5U CN207395988U (en) | 2018-01-16 | 2018-01-16 | A kind of four-way air-leakage detector |
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| Publication Number | Publication Date |
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| CN207395988U true CN207395988U (en) | 2018-05-22 |
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ID=62324298
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974942A (en) * | 2019-01-29 | 2019-07-05 | 惠州科达利精密工业有限公司 | A kind of cover plate of power battery air-tightness detection device |
-
2018
- 2018-01-16 CN CN201820064571.5U patent/CN207395988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974942A (en) * | 2019-01-29 | 2019-07-05 | 惠州科达利精密工业有限公司 | A kind of cover plate of power battery air-tightness detection device |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A four channel air tightness detector Effective date of registration: 20220105 Granted publication date: 20180522 Pledgee: Bank of China Limited by Share Ltd. Heyuan branch Pledgor: HEYUAN PUTIAN COMMUNICATION TECHNOLOGY Co.,Ltd. Registration number: Y2022980000025 |