CN206076630U - A kind of plug that can detect vehicle-mounted product plug state - Google Patents
A kind of plug that can detect vehicle-mounted product plug state Download PDFInfo
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- CN206076630U CN206076630U CN201620964194.1U CN201620964194U CN206076630U CN 206076630 U CN206076630 U CN 206076630U CN 201620964194 U CN201620964194 U CN 201620964194U CN 206076630 U CN206076630 U CN 206076630U
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- plug
- vehicle
- mounted product
- state
- negative pole
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Abstract
This utility model is related to the technical field of electronic technology and device, in particular to a kind of plug that can detect vehicle-mounted product plug state.A kind of plug that can detect vehicle-mounted product plug state includes vehicle-mounted plug and touching unit；The vehicle-mounted plug includes shell and negative pole shell fragment；The side of the shell is provided with breach, and the negative pole shell fragment is arranged on the inside the shell, and the negative pole shell fragment is provided with from outwardly first raised of the indentation, there；The touching unit is provided with the shell relative with the described first raised medial surface；The touching unit includes the sensing contact chip contacted with the vehicle-mounted plug interior circuit board；The vehicle-mounted plug also includes the processor being connected with the circuit board.The plug that can detect vehicle-mounted product plug state that this utility model is provided can be with the plug state of direct detection product by structure design, it is not necessary to using complicated algorithm process, have the advantages that judge process succinctly, high precision.
Description
Technical field
This utility model is related to the technical field of electronics, mechanics of communication and device, can detect in particular to one kind
The plug of vehicle-mounted product plug state.
Background technology
In recent years, with the fast development of auto industry, the inner facility of automobile is also developed rapidly, used as automobile
In inner facility, more important vehicle-mounted product is increasingly subject to people's attention.So-called vehicle-mounted product, is referred in automobile
Or the product used on similar tool movement, it is convenient for people to use in automobile normal running, relatively conventional vehicle-mounted product bag
Include vehicle power, vehicle-mounted computer, in-car TV and vehicle GPS etc..
In prior art, signal is passed by sensor by the plug state of vehicle-mounted product mainly using some sensors
Processor is passed, then complicated algorithm process data inside processor, and result of calculation information output is right to reach
The insertion of vehicle-mounted product and car power jack and contact condition are judged that its data processing includes the collection to data, deposits
The processes such as storage, retrieval, processing, conversion and transmission, so that the plug shape of vehicle-mounted product could be finally determined through the long period
The contact condition of state and vehicle-mounted product and car power jack.Therefore, said method only cannot detect vehicle-mounted by device
The plug state of product, so, the design process of existing vehicle-mounted product not only structure is complicated, and price is relatively
Height, the life for giving people to a certain extent increased burden.Therefore, as why not used complicated algorithm process data, but
Complete to detect that the plug state of vehicle-mounted product seems particularly critical by a kind of simple structure design.
Therefore, the problem for more than, proposes that a kind of plug that can detect vehicle-mounted product plug state is that industry is interior urgently
Technical problem to be solved.
Utility model content
In view of the deficiency that prior art is present, the purpose of this utility model is to provide one kind to detect that vehicle-mounted product is inserted
The plug of state is pulled out, it is complicated and vehicle-mounted with the process data processing for solving to detect vehicle-mounted product plug state in prior art
The problems such as product price is higher.
A kind of plug that can detect vehicle-mounted product plug state that this utility model is provided, including vehicle-mounted plug and touching
Unit；
The vehicle-mounted plug includes shell and negative pole shell fragment；The side of the shell arranges jagged, the negative pole shell fragment
It is arranged on the inside the shell, and the negative pole shell fragment is provided with from outwardly first raised of the indentation, there；
The touching unit is provided with the shell relative with the described first raised medial surface, on the touching unit
It is provided with second raised with what first projection was correspondingly arranged；The touching unit also includes sensing contact chip, and the sensing connects
Contact is contacted with the circuit board in the vehicle-mounted plug, for connection detection circuit；
The vehicle-mounted plug also includes the processor being connected with the circuit board, and the outfan of the processor is connected with use
In the antenna of the response element and transmission signal for showing vehicle-mounted product plug state.
Further, the touching unit also includes connector and guide plate；The guide plate is arranged on the connector
Between second projection, one end of the connector is connected with the guide plate, and the other end is relative with sensing contact chip.
Further, the connector is stiffener, and one end of the connector is affixed with the surface of the guide plate, separately
Gap is left between one end and the sensing contact chip；Second projection be extruded or return effect under, the connection
Part is contacted or is separated with the sensing contact chip surface, makes the sensing contact chip and the circuit board contacts or disconnection.
Further, the connector is flexible member, the two ends of the connector respectively with the guide plate and the sense
Answer the surface phase apical grafting of contact chip；Second projection be extruded or return effect under connector compression or release
Put, make the sensing contact chip and the circuit board contacts or disconnection.
Further, the sensing contact chip is copper splinter.
Further, the response element is display lamp or buzzer.
Further, the antenna connects on the processor, and the antenna is GSM antenna, described for reporting
The output signal of processor.
Further, the negative pole shell fragment includes connecting portion, and the connecting portion can be by the one of multiple negative pole shell fragments
End is connected and fixed on the shell；One end that the negative pole shell fragment is not provided with the connecting portion is provided with Access Division, described
The edge hook joint of Access Division and the breach.
Further, the end of the shell is provided with the cathode contact being connected with the electrode of automobile power source.
Further, the bottom of the cathode contact is arranged and spring is connected with one end of the spring, the spring it is another
One end is connected with the circuit board.
The beneficial effects of the utility model are：
A kind of plug that can detect vehicle-mounted product plug state that this utility model is provided, including vehicle-mounted plug and touching
Unit；It is jagged in the side arrangement of vehicle-mounted plug body, the first projection that negative pole shell fragment is provided with from the indentation, there laterally
Protrusion, and one end of multiple negative pole shell fragments is linked together by connecting portion thereon and be fixed on inside the shell, in negative pole bullet
The other end of piece is connected to shell gap edge by the Access Division being provided with, it is achieved thereby that negative pole shell fragment energy when being squeezed
Enough Direction distortions to breach；Touching unit is provided near the breach relative with the first raised inner side, at the top of the touching unit
Second for being provided with is raised raised with first relative, and touches sensing contact chip and the circuit board contacts that unit bottom is provided with.
When vehicle-mounted plug inserts car power jack, it is subject to the first projection on the negative pole shell fragment of shell side face protrusion
In extruding the medial surface extruding touching unit by the negative pole shell fragment second is raised, and then passes through guide plate and connector
Mobile extruding sensing contact chip, it is achieved thereby that sensing contact chip and circuit board contacts, the voltage that result in circuit occurs
Change；Change in voltage in circuit is detected by the I/O mouths of processor, and signal is collected, one side control response unit
Part shows whether vehicle-mounted product plug state is good, and on the other hand signal is sent on the mobile phone of people by GSM antenna.
The plug that can detect vehicle-mounted product plug state that this utility model is provided is in existing vehicle-mounted product structure
On basis, vehicle-mounted product is specifically designed for, can be with the plug state of direct detection product by structure design, it is not necessary to extra to add
Sensor and using complicated algorithm process, and by complicated computing acquired results come judge the plug state of vehicle-mounted product with
And whether contact of the vehicle-mounted product with car power jack be good, so as to reduce at the application of sensor and the algorithm of complexity
Reason, has the advantages that judge process is succinct, judges high precision.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
A kind of signal of the structure of plug that can detect vehicle-mounted product plug state that Fig. 1 is provided for this utility model
Figure；
Fig. 2 is the schematic diagram of the structure of the negative pole shell fragment of the plug that can detect vehicle-mounted product plug state shown in Fig. 1；
Fig. 3 is showing for the first touching cellular construction of the plug that can detect vehicle-mounted product plug state shown in Fig. 1
It is intended to；
Fig. 4 is showing for second touching cellular construction of the plug that can detect vehicle-mounted product plug state shown in Fig. 1
It is intended to.
Reference：
1-shell；2-negative pole shell fragment；
3-touching unit；4-cathode contact；
5-connecting spring；6-circuit board；
7-processor；8-antenna；
9-response element；201-connecting portion；
202-Access Division；203-the first is raised；
301-sensing contact chip；302-the second is raised；
303-rigid connector；304-Flexible Connector；
305-guide plate.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the embodiment of this utility model part, rather than the embodiment of whole.Based on the embodiment in this utility model,
The every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, belongs to this reality
With novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " is, based on orientation shown in the drawings or position relationship, to be only
For the ease of describe this utility model and simplify description, rather than indicate or imply indication device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in this utility model.
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
Concrete structure is as Figure 1-Figure 4.Fig. 1 can detect vehicle-mounted product plug shape for one kind that this utility model is provided
The schematic diagram of the structure of the plug of state；Fig. 2 is the negative pole shell fragment of the plug that can detect vehicle-mounted product plug state shown in Fig. 1
Structure schematic diagram；Fig. 3 is the first touching unit knot of the plug that can detect vehicle-mounted product plug state shown in Fig. 1
The schematic diagram of structure；Fig. 4 is second touching cellular construction of the plug that can detect vehicle-mounted product plug state shown in Fig. 1
Schematic diagram.
A kind of plug that can detect vehicle-mounted product plug state that the present embodiment is provided, including vehicle-mounted plug and touching list
Unit 3；
Wherein, vehicle-mounted plug includes shell 1 and negative pole shell fragment 2；Open up jagged respectively on two sides of shell 1,
For stretching out negative pole shell fragment 2；Negative pole shell fragment 2 is arranged in shell 1, and negative pole shell fragment 2 includes connecting portion 201, the first projection 203
With 202 3 part of Access Division, each negative pole shell fragment 2 end can be linked together by connecting portion 201, and will be connected
Part be fixed on inside shell 1；And another end of negative pole shell fragment 2 is provided with Access Division 202, by Access Division 202 with
The gap edge phase hook joint of 1 side of shell, prevents negative pole shell fragment 2 from ejecting from indentation, there；Access Division 202 on negative pole shell fragment 2
The first projection 203 is provided between connecting portion 201, first raised 203 arch in evagination, and with certain elasticity,
When vehicle-mounted plug is inserted into car power jack, the first projection 203 is squeezed, and at the same time Access Division 202 can also depart from
With the hook joint of shell at gap edge 1 so that negative pole shell fragment 2 produce deformation.
Touching unit 3 is installed on the shell 1 of indentation, there, the touching unit 3 is arranged on the inner side with the first projection 203
Relative position, mainly includes the second projection 302, connector, guide plate 305 and sensing contact chip 301；Wherein, second is raised
302 tops for being arranged on touching unit 3, spherical shape, and the inner side of the lateral surface of the second projection 302 and the first projection 203
Negative pole shell fragment 2 it is relative, and can contact with negative pole shell fragment 2 when the first projection 203 is squeezed；In touching unit 3
Connector is internally provided with, one end of the connector is fixed on guide plate 305, the guide plate 305 is interior with the second projection 302
Side is relative, and the other end of connector is relative with the surface of sensing contact chip 301, is subject in the lateral surface of the second projection 302
Under the squeezing action state of the medial surface of the first projection 203, the medial surface of the second projection 302 can be extruded to guide plate 305,
Further carry out squeezing action, and produce extruding to the surface for sensing contact chip 301 by connector making to one end of connector
With, and then cause to sense two end in contact of contact chip 301 and circuit board 6, connected detection circuit, so as to cause in circuit
Voltage change.
Processor 7 is additionally provided with inside the shell 1 of vehicle-mounted plug, input end interface and the circuit board 6 of the processor 7 connect
Connect, and sense contact chip 301 and be arranged on circuit board 6, the voltage of sensing contact chip 301 can be detected so as to pass through processor 7
Change, the output end interface of processor 7 are connected with the antenna 8 of response element 9 and transmission signal；When sensing contact chip 301 and electricity
When road plate 6 is contacted and causes detection circuit communication, the voltage in circuit will produce certain change, by the inspection of processor 7
The signal of change in voltage is collected in survey, and control response element 9 after this signal processing and antenna 8 are made corresponding instruction then,
Judge whether vehicle-mounted product is in shape with the contact of automobile power source such that it is able to the instruction according to response element 9, and will
This state is sent in the mobile phone of people by antenna 8.
In the optional technical scheme of the present embodiment, touching unit 3 also includes connector and guide plate 305, wherein connector
An end face be fixedly connected with the surface of guide plate 305, and guide plate 305 is relative with the medial surface of the second projection 302；Connection
Another end face of part is relative with sensing contact chip 301, i.e., can be by the second projection 302 by connector and guide plate 305
Displacement transfer give sensing contact chip 301, so as to connect or disconnecting circuit, cause detection voltage to change.
In the optional technical scheme of the present embodiment, connector is rigid connector 303, as shown in Figure 3.The company of this kind of form
Fitting is rigid bar structure, and an end of rigid connector 303 is fixedly connected with the surface of guide plate 305, and another
End is relative with sensing contact chip 301 and has the gap of certain distance between the two, and guide plate 305 and the second projection 302
Medial surface it is relative；Can be so that negative pole shell fragment 2 produces certain deformation, due to second convex when the second projection 302 is squeezed
Play 302 to be connected with rigid connector 303 by guide plate 305, connect so as to deformation is passed to sensing by rigid connector 303
Contact 301, sensing contact chip 301 connect circuit when deforming upon, and cause detection voltage to change；When the second projection 302
After the squeezed state being subject to terminates, deformation-recovery is to original state, and drags the end of guide plate 305 and rigid connector 303
Separate with 301 surface of sensing contact chip, and then circuit is disconnected, detection voltage also returns to initial state value.
In the optional technical scheme of the present embodiment, connector is Flexible Connector 304, as shown in Figure 4.The company of this kind of form
Fitting can be spring, and, on the surface of guide plate 305, other end apical grafting is in sensing 301 table of contact chip for one end apical grafting of spring
Face；In an initial condition, the decrement of spring is less, is insufficient to allow sensing contact chip 301 to be subject to sufficiently large extruding force, i.e., not
Circuit can be connected and make detection voltage change；Deformation is produced when the second projection 302 is squeezed, and passes through guide plate
Deformation is passed to spring by 305, makes spring in a certain degree of compressive state, when reach sensing contact chip 301 it is critical when,
Sensing contact chip 301 is contacted with circuit board 6, is connected circuit, is caused detection voltage to change；When second projection 302 is subject to
After squeezed state terminates, deformation is eliminated, and the compression that spring is subject to is released, and causes the pressure to sensing 301 surface of contact chip
The critical of sensing contact chip 301 can not be reached, so that sensing contact chip 301 is disconnected with circuit board 6, circuit is cut off,
Detection voltage is returned to initial state value.
In the optional technical scheme of the present embodiment, sensing contact chip 301 is specially copper splinter, and generally copper splinter is adopted
With for Cu alloy material, such as beryllium copper, it is the copper alloy with beryllium as main alloy element, with very high intensity, elasticity with
And other characteristics, it is the best senior resilient material of performance in copper alloy.
In the optional technical scheme of the present embodiment, response element 9 be display lamp, buzzer or other can receive
The element of respective reaction is made after signal；The input end interface of response element 9 is connected with the output end interface of processor 7, works as place
When reason device 7 detects circuit voltage and changes, the signal of reception is processed, and is sent the signal after process to response
Element 9, control response element 9 make accurately reaction；
Optionally, response element 9 is specially display lamp, and when vehicle-mounted plug inserts the jack of automobile power source, first is raised
203 be squeezed after drive second raised 302 to produce deformation, second raised 302 senses contact chip 301 by connector extruding,
Sensing contact chip 301 is made to contact with the circuit board 6 in vehicle-mounted plug, and then connection detection circuit, cause the detection in circuit
Voltage changes, the signal collection for then changing detection voltage through processor 7 and process, and by process after perform letter
Number display lamp is passed to, now display lamp is lighted, inserted so as to remind the vehicle-mounted product of driver normally to insert automobile power source
Hole.
Optionally, response element 9 is specially buzzer, and this mode and response element 9 work original for the mode of display lamp
Reason is essentially identical, no longer elaborates；When vehicle-mounted plug inserts car power jack, control buzzer of processor 7 " ticking "
Make a sound, after spending one end time, sound stops, it can thus be appreciated that vehicle-mounted product has normally inserted car power jack.
In the optional technical scheme of the present embodiment, antenna 8 is connected with processor 7, the antenna 8 is specially the day of GSM
Line 8, for reporting the 7 collected signal for processing of processor；When the voltage in circuit board 6 changes, processor 7 is received
To the signal of change in voltage, and this signal is carried out processing, edited, then transmit a signal to antenna 8, will letter by antenna 8
Number it is transferred in the mobile phone of people, such that it is able to the plug state of vehicle-mounted plug is shown in mobile phone.
In the optional technical scheme of the present embodiment, negative pole shell fragment 2 includes connecting portion 201, and the connecting portion 201 can will be multiple
One end of negative pole shell fragment 2 links together, and is fixed in shell 1；The other end of negative pole shell fragment 2 is provided with Access Division 202,
With 1 hook joint of shell at gap edge, for limiting the deformation range of negative pole shell fragment 2, negative pole shell fragment 2 is prevented from indentation, there bullet
Go out so that the end of negative pole shell fragment 2 is departed from shell 1, affect the normal use of vehicle-mounted product.
In the optional technical scheme of the present embodiment, the end of shell 1 is provided with cathode contact 4, the top of the cathode contact 4
Hold as semi-spherical shape, for the electrode contact with automobile power source, fluted in the bottom setting of cathode contact, setting in the groove
There is connecting spring 5, in the groove of 4 bottom of cathode contact, the other end is connected one end apical grafting of connecting spring 5 with circuit board 6, and
Circuit board 6 can be connected with automobile power source.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of plug that can detect vehicle-mounted product plug state, it is characterised in that：Including vehicle-mounted plug and touching unit；
The vehicle-mounted plug includes shell and negative pole shell fragment；The side of the shell arranges jagged, and the negative pole shell fragment is arranged
In the inside the shell, and the negative pole shell fragment is provided with from outwardly first raised of the indentation, there；
The touching unit is provided with the shell relative with the described first raised medial surface, is arranged on the touching unit
Have second raised with what first projection was oppositely arranged；The touching unit also includes sensing contact chip, the sensing contact chip
Contact with the circuit board in the vehicle-mounted plug, for connection detection circuit；
The vehicle-mounted plug also includes the processor being connected with the circuit board, and the outfan of the processor is connected with for showing
Show the antenna of the response element and transmission signal of vehicle-mounted product plug state.
2. the plug that vehicle-mounted product plug state can be detected according to claim 1, it is characterised in that the touching list
Unit also includes connector and guide plate；The guide plate is arranged between the connector and second projection, the connection
One end of part is connected with the guide plate, and the other end is relative with sensing contact chip.
3. the plug that vehicle-mounted product plug state can be detected according to claim 2, it is characterised in that the connector
For stiffener, one end of the connector is affixed with the surface of the guide plate, stays between the other end and the sensing contact chip
There is gap；Second projection be extruded or return effect under, the connector is contacted with the sensing contact chip surface
Or separate, make the sensing contact chip and the circuit board contacts or disconnection.
4. the plug that vehicle-mounted product plug state can be detected according to claim 2, it is characterised in that the connector
For flexible member, the two ends of the connector respectively with the guide plate and the surface apical grafting of the sensing contact chip；Described
Under two projections are extruded or return is acted on, the connector compression or release, make the sensing contact chip and the circuit board
Contact disconnects.
5. the plug that vehicle-mounted product plug state can be detected according to claim 1, it is characterised in that the sensing connects
Contact is copper splinter.
6. the plug that vehicle-mounted product plug state can be detected according to claim 1, it is characterised in that the response element
Part is display lamp or buzzer.
7. the plug that vehicle-mounted product plug state can be detected according to claim 1, it is characterised in that the antenna connects
Connect on the processor, and the antenna is GSM antenna, for reporting the output signal of the processor.
8. the plug that vehicle-mounted product plug state can be detected according to claim 1, it is characterised in that the negative pole bullet
Piece includes connecting portion, and the connecting portion can be connected and fixed to one end of multiple negative pole shell fragments on the shell；Institute
State negative pole shell fragment and be not provided with one end of the connecting portion and be provided with Access Division, the edge hook joint of the Access Division and the breach.
9. the plug that vehicle-mounted product plug state can be detected according to claim 1, it is characterised in that the shell
End is provided with the cathode contact being connected with the electrode of automobile power source.
10. the plug that vehicle-mounted product plug state can be detected according to claim 9, it is characterised in that the positive pole
The bottom of contact is provided with spring and is connected with the spring one end, and the other end of the spring is connected with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620964194.1U CN206076630U (en) | 2016-08-27 | 2016-08-27 | A kind of plug that can detect vehicle-mounted product plug state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620964194.1U CN206076630U (en) | 2016-08-27 | 2016-08-27 | A kind of plug that can detect vehicle-mounted product plug state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206076630U true CN206076630U (en) | 2017-04-05 |
Family
ID=58432621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620964194.1U Expired - Fee Related CN206076630U (en) | 2016-08-27 | 2016-08-27 | A kind of plug that can detect vehicle-mounted product plug state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206076630U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107426815A (en) * | 2017-07-13 | 2017-12-01 | 成都天奥电子股份有限公司 | A kind of instrument supervisory systems and its method of work based on indoor positioning technologies |
| CN108336596A (en) * | 2017-12-21 | 2018-07-27 | 深圳市朗仁科技有限公司 | OBD mobile units |
| CN111812554A (en) * | 2020-07-24 | 2020-10-23 | 上海星融汽车科技有限公司 | On-board diagnostic (OBD) interface plug-pull state detection device based on photoresistor and detection method thereof |
| CN115133491A (en) * | 2022-08-31 | 2022-09-30 | 山东博诚电气有限公司 | Cable terminal connecting device |
-
2016
- 2016-08-27 CN CN201620964194.1U patent/CN206076630U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107426815A (en) * | 2017-07-13 | 2017-12-01 | 成都天奥电子股份有限公司 | A kind of instrument supervisory systems and its method of work based on indoor positioning technologies |
| CN107426815B (en) * | 2017-07-13 | 2021-03-23 | 成都天奥电子股份有限公司 | Instrument supervision system based on indoor positioning technology and working method thereof |
| CN108336596A (en) * | 2017-12-21 | 2018-07-27 | 深圳市朗仁科技有限公司 | OBD mobile units |
| CN108336596B (en) * | 2017-12-21 | 2024-02-27 | 深圳市云伽智能技术有限公司 | OBD vehicle-mounted equipment |
| CN111812554A (en) * | 2020-07-24 | 2020-10-23 | 上海星融汽车科技有限公司 | On-board diagnostic (OBD) interface plug-pull state detection device based on photoresistor and detection method thereof |
| CN115133491A (en) * | 2022-08-31 | 2022-09-30 | 山东博诚电气有限公司 | Cable terminal connecting device |
| CN115133491B (en) * | 2022-08-31 | 2022-11-29 | 山东博诚电气有限公司 | Cable terminal connecting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20170827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |