CN205957989U - Crash sensor and device that uses it - Google Patents
Crash sensor and device that uses it Download PDFInfo
- Publication number
- CN205957989U CN205957989U CN201620786872.XU CN201620786872U CN205957989U CN 205957989 U CN205957989 U CN 205957989U CN 201620786872 U CN201620786872 U CN 201620786872U CN 205957989 U CN205957989 U CN 205957989U
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- collision
- crash sensor
- barrier
- detecting part
- impact detecting
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Abstract
The utility model provides a crash sensor and device that uses it, includes: the cavity shell, it has accommodation space, collision information generater, it is arranged in the space and be suitable for produce output when being triggered during the collision, instruct the direction and/or the locating information of collision, the collision detection part, it is arranged on the collision information generater and be suitable for quilt during the collision trigger during the barrier drive collision information generater, wherein the collision detection part with collision information generater is separated by each other or is contacted through one or more elastomeric element, the collision detection part passes through elastomeric element and can switching between normal position and operating position during normal position, the collision detection part with collision information generater is separated by each other or is contacted, and during operating position, at least, partly the passing through of collision detection part comeeing from during the collision compression / the impact of barrier triggers collision information generater.
Description
Technical field
This utility model is related to crash sensor, more particularly, it relates to the collision being suitable for use in moving component/object passes
Sensor, to prevent moving component from damaging barrier during its motion or people that injury is encountered or house pet.
Background technology
Safety buffer on the existing various object being adapted to mount to automatically move or part and collision pass
Sensor, to play the effect of collision protection.Typical application be mechanical engineering, stage machinery, medical skill and large-scale,
Clamping in heavy gate and the security protection of sheared edge.They can be additionally used in automatic guidance vehicle, in addition for domestic and
Commercial furniture.
For example, crash sensor can be used to detect whether a surface or a part are bumped against or by obstacle with barrier
Thing collides.Sensor may be installed in the part that can automatically move of power drive furniture, such as chair/sofa or in,
To detect collision.The part that can automatically move refers to the part of the non-manual driving of furniture or fixing device, and it can be by spring
Mechanism, hydraulic pressure or pneumatic mechanism, motor driven gear wheel etc. drive, as known in the art.
Motor drive furniture in, such as in chair/sofa it is important to prevent moving parts injury be located near
Barrier or people or house pet.At this point it is necessary to crash sensor, can send out to motor controller in collision obstacle
Go out signal to stop moving.The most frequently used crash sensor is in the form of band, but the sensor of this strips is held high
There is the collision in place of smaller range, such as in place of the edge of furniture in expensive and only detection.
Utility model content
Disclose a kind of crash sensor for detection and the collision of barrier, including：Hollow shell, preferably by plastics
Make and pass through injection moulding, it has the base plate limiting receiving space and one or more sides wall；Collision information maker,
It is arranged in described space and is suitable to produce output when being triggered during described collision, indicates the direction of described collision
And/or location information；Impact detecting part, it is arranged on described collision information maker and is suitable in the described collision phase
Between actuated by described barrier and when driving, trigger described collision information maker；Wherein said impact detecting part and described touch
Hit information generator to be separated by by the one or more elastomeric elements being arranged in described space or contact, described touch
Hit detection part to switch between normal position and operating position by described elastomeric element, when described normal position,
Described impact detecting part and described collision information maker are separated by or contact, and when described operating position, described
At least a portion of impact detecting part is by pressing from the compression/impact force of described barrier during described collision
In described collision information maker and be allowed to deform and trigger described collision information maker.
In certain embodiments, described collision information maker preferably includes the predetermined pattern/mode and preferably of being arranged to
Become multiple signaling switch/producing element of peripheral pattern/mode, and may be in response to described collision to operate, and its signaling switch/
Generate direction/positional information that operation carries and provides collision.
In certain embodiments, described collision information maker may include printed circuit-board assembly, and it is arranged on described bottom
On plate and be provided with one or more conductive component/traces；And key-shaped part；It has relative with described conductive component/trace
Should be with one or more deformable contact portions of coupling；Deformable contact portion described in each of which can be in normal condition and change
Switch between shape state, in described normal condition, described deformable contact portion is separated by with corresponding conductive component/trace
Open, and in described deformation state, at least a portion of described deformable contact portion is passed through from the institute with described barrier
State the compression stress of collision and deform to apply pressure to and to make corresponding conductive component/trace short circuit, so that it is described to produce instruction
The direction of collision and/or the output of location information.
In some other embodiments, described collision information maker may include printed circuit-board assembly, and it is arranged on institute
State on base plate and be provided with one or more tact switch, described tact switch can be by from the described collision with described barrier
Compression stress and be triggered, to produce the instruction direction of the described collision and/or output of location information.
In certain embodiments, described impact detecting part and/or described collision information maker may include and be arranged in it
One or more engagement groove of periphery, for be arranged in one or more of described shell complementation retainer engage, with
Prevent described impact detecting part and/or described collision information maker from bearing by from the described collision with described barrier
Torque produced by compression stress and rotate, rotate in particular about corresponding center or axis.
In certain embodiments, described impact detecting part may include expansion part, and it preferably employs rectangle, square, polygon
Shape or circular and flat board, notch board or flange form, and be preferably made of plastics by thermoforming, so that the detection by collision
Expanded range is than preferably big 2-40 times or more of the former coverage of described impact detecting part.
In certain embodiments, described impact detecting part can be in the form of circular lid, and it preferably passes through die casting by zinc
Alloy is made, and includes the cannelure being arranged on its periphery, to accommodate and to engage one or more of elastomeric elements；And ring
Shape protuberance, for engaging described collision information maker, makes described collision information maker deformation or drives described collision letter
Breath maker, to produce the instruction direction of described collision and/or the output of location information.
In certain embodiments, described elastomeric element can be wavy spring, preferably surrounds described collision information maker.
In certain embodiments, described key-shaped part can be silicone rubber key, its molding preferably by compression moulding, and has
It is arranged in its side and is preferably coated with the ring shaped conductive contact portion of conducting film, for contacting and making corresponding conductive part
Part/trace short circuit；And central conical section, described central authorities' taper is partially disposed on its opposite side and has and described collision
Detection part engages and/or the summit with the end face of described elastomeric element/wavy spring.
In certain embodiments, one or more of conductive component/traces or described tact switch can be indexed and/
Or packet is to correspond to or to represent the respective regions of described impact detecting part and/or described expansion part so that ought lead accordingly
It is provided that the direction of described collision and/or location information when electric part/trace is shorted or described tact switch is triggered.
The invention also discloses the collision of a kind of part that can automatically move for detecting furniture and barrier
Device, including：：
A part for furniture, it has, and be suitable to can with respect to the remainder of described furniture with non-manual manner movement extremely
A few movable part；
It is suitable to the automatic driving mechanism of mobile described movable part；
It is suitable to control the controller of described automatic driving mechanism；And
Foregoing crash sensor, it is suitable to touching of during the motion of described movable part detection and barrier
Hit, and collect direction and/or the location information of described collision when described collision occurs, then send instruction to described controller
The output of described collision, to adjust described automatic driving mechanism.
Brief description
Hereinafter with reference to accompanying drawing, this utility model is described by example, in the accompanying drawings:
Fig. 1 a is the schematic diagram of exemplary crash sensor of the present utility model；
Fig. 1 b is the exploded view of exemplary crash sensor of the present utility model；
Fig. 1 c is the exploded view with the optional another exemplary crash sensor of expansion plate of the present utility model；
Fig. 2 is the schematic section of exemplary crash sensor of the present utility model；
Fig. 3 a-3c is the core feature of exemplary crash sensor of the present utility model and the partial enlarged drawing of its operation；
Fig. 4 a-4b is showing of the interchangeable collision information generating mechanism of of the present utility model two exemplary crash sensors
It is intended to；
Fig. 5 is the schematic diagram of the detection expansion part/plate of another exemplary crash sensor of the present utility model；
Fig. 6 is the schematic diagram of a part for anti-rotation stop mechanism for exemplary crash sensor of the present utility model；
Fig. 7 is the schematic diagram of the furniture using exemplary crash sensor of the present utility model；And
Fig. 8 is the schematic diagram of another furniture using exemplary crash sensor of the present utility model.
Specific embodiment
To describe some preferred embodiments of the disclosure below with reference to accompanying drawing, to explain its technical scheme.
Reference picture 1a-1c, 2 and 3a-3c, show some signals of the different exemplary crash sensor of the disclosure
Figure, exploded view, sectional view and partial enlarged drawing.Exemplary crash sensor 100 shown in Fig. 1 a include out connector 10 with
Wire, for communicating with peripheral control unit；And connector protective cover 20, it surrounds and fixes out connector 10, and with outer
The rear portion of shell 40 or base plate 30 form and are clasped.Shell further include limit receiving space one or more transverse walls with
Accommodate at least one in the following：Printed circuit-board assembly (PCBA) 50, key-shaped part 60, one or more elastomeric elements
70, and/or cover piece or actuator 80.Although shown shell is shaped to the rectangular box/box/framework with 4 side walls, it can adopt
There is the form of the tubular box of 1 side wall/periphery wall, or there is the polygon framework of multiple sides wall.
Described printed circuit-board assembly (PCBA) 50 and key-shaped part 60 collectively constitute collision information maker, and it is suitable to
Produce output when being triggered during colliding or driving, indicate the selectable direction occurring with described collision of described collision
And/or location information.
Printed circuit-board assembly (PCBA) 50 and key-shaped part 60 are respectively and substantially in the form of plectane.PCBA 50 has
There are the first/distally contacting with base plate 30 and second/nearside with the distal contact of key-shaped part 60.The nearside of PCBA 50
Be provided with multipair parallel have opposite polarity on PCBA 50 radially and conductive component/trace of being circumferentially arranged
Or gold joint 52,54；Or two parallel have being connected respectively of opposite polarity from the middle body positioned at PCBA 50 and with output
Two terminals that device 10 connects are circuitously and conductive component/trace of extending circumferentially over upon or golden joint 52,54；And key-shaped part
60 distally is correspondingly provided with thering is flat circular groove 62, is coated with conducting film or preferred carbon film thereon.Circular carbon film
It is positioned at the surface of the conductive trace 52,54 with opposite polarity, and in the normal of collision information maker or idle condition
When be spaced with them.When colliding, groove 62 will be deformed by driving, then carbon film by with there is opposite polarity extremely
Few two adjacent conductive traces 52,54 contacts and make its short circuit/short circuit, thus changing the resistance between them, electric capacity and/or
Inductance, and produce output, collided with barrier with indicating.When barrier removes, groove replys its shape, conductive trace
No longer by carbon film short circuit, and the change of resistance, electric capacity, and/or inductance or the end now instruction collided that resets.
The nearside of key-shaped part 60 includes conical portion 64, and it contacts and pass through cover piece or cause with cover piece or actuator 80
Dynamic device and be held in place by.Cover piece or actuator 80 constitute or are used as impact detecting part, and it was suitable in the described collision phase
Between actuated by described barrier and when driving, trigger described collision information maker.
Reference picture 3a-3c, the nearside of actuator 80 includes generally flat surface, is connect with expanding part 90 with optional detection
Close, as being described in further detail below.The distally of actuator 80 then includes the annular groove 84 being arranged on its periphery,
The one or more elastomeric elements 70 arranged in the way of accommodating and engaging with periphery/circumference；And multiple circumferential projection portion or
Annular protrusion 82, for engage with the key-shaped part 60 of collision information maker and so that it is deformed or drive described collision letter
Breath maker, to produce described output, the direction of the generation of instruction collision and optional collision and/or location information.Convex annular
Go out portion 82 to position with respect to the circular groove 62 of key-shaped part 60.Specifically, they have same center and akin
Diameter.In certain embodiments, one or more elastomeric elements 70 are preferably replaced by wavy spring, and described wavy spring can be around
Collision information maker.The use of wavy spring improves the compactedness of crash sensor, because it has the spring behaviour of reduction
Make height and spring cavity
Reference picture 3c, when being applied to actuator 80 when a collision occurs or effectively and overcoming the elastic force of wavy spring, causes
Dynamic device can tilt, and then at least a portion of annular protrusion 82 or at least one circumferential projection portion will be actuated to apply pressure to circle
The appropriate section of the bottom of connected in star 62 and make it deform, so that the conducting film of circular groove 62 will contact and make conductive trace
52,54 short circuits, to produce output, the generation of instruction collision.When barrier removes, the elastic force being provided by wavy spring will promote
Actuator 80 is returned to the position of its original, and makes groove 62 be returned to the shape of its original, conductive trace 52, and 54 is no longer recessed
Carbon film short circuit/short circuit in groove 62, because they are separated by out now again, and can be by being connected by out connector 10
Instruction collision is terminated or completes by the change of the resistance that peripheral control unit detects, electric capacity and/or inductance or reset.
In certain embodiments, shell 40 is preferably the cabinet made with nylon and fiber, in order that fiber is hard
Degree, toughness, rigidity and self-lubricating property, and by being molded type.In certain embodiments, base plate 30 is rigid steel
Plate, cold-rolled steel sheet etc., and pass through punch forming.Key-shaped part can be silicone rubber key-shaped piece, and it by Xiao A hardness is
60-70 silicone rubber is made, and passes through compression moulding molding.Actuator 80 can be made with kirsite and pass through die cast.Expansion plate/
Detection plate can be made with plastic sheet and the molding by hot-forming method.
Reference picture 4a-4b, it is shown respectively two exemplary interchangeable collision letters of crash sensor of the present utility model
Breath generating mechanism.In fig .4 in shown exemplary crash sensor, the multipair of relative polarity that have on PCBA 50 is put down
Conductive component/the trace of the conductive component/trace of row or golden joint 52,54 or complications and circumference or golden joint are indexed
And/or be grouped, and each group of conductive component may correspond to or represent impact detecting part and/or detect the corresponding of expansion part 90
Region.For example, this group conductive component positioned at left side represents actuator 80 or detection expands western part/left part of part 90, when it
When being shorted during colliding, then can determine that barrier is located at the left side of described crash sensor.In certain embodiments, touch
Hit sensor and can further include timer, gyroscope, pressure transducer and/or acceleration transducer (not shown), think barrier
The position hindering thing provides more accurate information, because the point of impingement expanding on part 90 in actuator 80 or detection can be based on by counting
When device, gyroscope, pressure transducer and/or the acceleration transducer time, direction, pressure and/or the acceleration information that are obtained
To calculate, so that time, direction and/or the location information of collision can be provided in a more accurate way.In the model shown in Fig. 4 b
In example property crash sensor, the PCBA 50 in Fig. 4 a and key-shaped part 60 are replaced by selectable mechanism, and it includes PCBA 450
With one or more small-sized tact switch 460 to provide required work and response time.Similarly, those are compiled rope
Drawing can be with the collision information generating mechanism in Fig. 4 a like that with similar with the arbitrary triggering in the tact switch 460 of packet
Mode is providing related direction and/or the location information of collision.In some other embodiment, have 2,4,8,16,36 or
Above tact switch, rather than 6 tact switch as shown in Figure 4 b.
With reference to Fig. 5, this exemplary crash sensor includes optional convex or domeshape detection expands part 590, and it is not only
Increase detection range or area, crash sensor can be made again to can be used for various applications, and can be on different equipment or object
Use.Variously-shaped expansion part can also hide crash sensor, because it may be molded to and the spy using present disclosure
The outward appearance of locking equipment or object or appearance are consistent completely.It can be arranged on by using only one mount point particular device or
The corner of object, front portion, rear portion or sidepiece.Additionally, it can be embedded into the inside the shell of particular device or object and constitute shell
A part because the size of its main body or major part is less, and the scope of its width, length and height can be between several
Ten/hundreds of millimeter to several centimetres.In certain embodiments, the surface area for collision detection or the coverage rate of part 590 are expanded
Long-pending than actuator 80 big 30 times or more, and definite amplify numerical value by expand at least dependent on detection part 590 material and
Intensity.
With reference to Fig. 6, the shell of crash sensor is provided with one or more anti-rotation retainers 42, and preferably 4 anti-rotations are stopped
Moving part, is respectively adopted the form of the periphery protuberance of inner rim arrangement of opening along shell 40, and actuator 80 is then corresponding
Be provided with one or more recesses 86, preferably along actuator 80 periphery arrangement, for engaging with retainer, only to permit
Permitted the banking motion of actuator and prevent actuator from being rotated when expanding part driving by detection.Anti-rotation retainer is more firm
Property, to guarantee firmly to engage with the recess of actuator during colliding, thus overcome and may being caused by collision or lead to
Revolving force.Because big detection expansion part or plate can produce larger torque to actuator 80 during colliding, so preferably
It is only to make actuator 80 only and generally carry out banking motion, to produce the output of the generation for instruction collision.
With reference to Fig. 7, this exemplary crash sensor 700 by the chaise longue with the pedal that can automatically move or backrest or
Sofa uses.In this embodiment, crash sensor is arranged on the rear portion of pedal.Although it is plane that shown detection expands part
Be arranged on pedal outside it should be understood that crash sensor also can be embedded within pedal, wherein said detection expand
Big part can be used as the backboard with curvature of pedal.Additionally, crash sensor also may be installed pedal front portion and/or
Sidepiece, or on all parts of pedal.
With reference to Fig. 8, this exemplary crash sensor 800 is made by adjustable for height with the table top that can automatically move
With.In this embodiment, crash sensor is arranged under table top, unexpected to prevent this table top from damaging during it moves downward
Ground is located at the object under platform or the child under injury platform or house pet.Crash sensor also may be installed domestic or commercial furniture or solid
On any moveable window OR gate of locking equipment, to improve its safety measure.
The crash sensor of the disclosure is also used as on and off switch it is characterised in that being provided with collision or the switch of super large
Detection expands part 90 (or the actuation surfaces expanding), and it is advantageously adapted to as the foot switch of old man or people with disability, report
Alert switch etc..
The feature (jointly and can be individually in suitable part) being loaded in appended claim forms of the disclosure
Point, and be hereby incorporated by reference.
Although already described different examples or embodiment herein it is understood that, they are for explanation
It is not intended to limit protection domain.For example, in exemplary application provided in this article, shell and actuator are respectively indicated as
Or be configured to that there is square/circular shape, but without loss of generality, it is also possible to use the essence according to the disclosure
Other shapes and structure.It should be appreciated that the part of different exemplary embodiment or part in the appropriate case can quilts
Extracts is for combination and/or mix and match, does not lose generality to form other modifications.
Claims (10)
1. a kind of crash sensor, described crash sensor is used for the collision of detection and barrier, and includes：
Hollow shell, is preferably made from plastic and passes through injection moulding, its have limit the base plate of receiving space and one or
Multiple sides wall；
Collision information maker, it is arranged in described space and is suitable to produce output when being triggered during described collision,
Indicate direction and/or the location information of described collision；
Impact detecting part, it is arranged on described collision information maker and is suitable to during described collision by described barrier
Described collision information maker is triggered when hindering thing to actuate and driving；
Wherein said impact detecting part and described collision information maker are one or more in described space by being arranged in
Elastomeric element and be separated by or contact, described impact detecting part can be in normal position and work by described elastomeric element
Make switching between position, when described normal position, described impact detecting part and described collision information maker are separated by
Or contact, and when described operating position, at least a portion of described impact detecting part is passed through during described collision
Apply pressure to from the compression/impact force of described barrier and trigger described collision information maker.
2. crash sensor as claimed in claim 1 it is characterised in that:Described collision information maker includes printed circuit
Board component, it is arranged on described base plate and is provided with one or more conductive component/traces；And key-shaped part;It has with
The corresponding one or more deformable contact portions with coupling of described conductive component/trace；Described in each of which, deformable connects
Contact portion is divided and can be switched between normal condition and deformation state, in described normal condition, described deformable contact portion and phase
Conductive component/the trace answered is spaced, and in described deformation state, at least a portion of described deformable contact portion is passed through
From with the compression stress of the described collision of described barrier and deform to apply pressure to and to make corresponding conductive component/trace short
Road, to produce the instruction direction of described collision and/or the output of location information.
3. crash sensor as claimed in claim 1 it is characterised in that:Described collision information maker includes printed circuit
Board component, it is arranged on described base plate and is provided with one or more tact switch, and described tact switch can be by being derived from and institute
State the compression stress of described collision of barrier and be triggered, produce to indicate the direction of described collision and/or location information
Output.
4. the crash sensor as any one of claim 1-3 it is characterised in that:Described impact detecting part and/or
Described collision information maker includes the one or more engagement groove being arranged in its periphery, for arrangement in the housing
One or more complementation retainers engage, to prevent described impact detecting part and/or described collision information maker holding
By by from the torque produced by compression stress of the described collision of described barrier and rotate, in particular about corresponding center or
Axis rotates.
5. crash sensor as claimed in claim 3 it is characterised in that:Described impact detecting part includes expanding part, and it is excellent
Choosing is in the form of the square polygon of rectangle or circle and flat board notch board or flange, and is preferably made of plastics by thermoforming,
The detection range of collision to be expanded as preferably big 2-40 times or more of the former coverage than described impact detecting part.
6. the crash sensor as any one of claim 1-3 it is characterised in that:Described impact detecting part is using circle
The form of shape lid, it is preferably made up of kirsite by die casting, and includes the cannelure being arranged on its periphery, to accommodate and to engage
One or more of elastomeric elements；And annular protrusion, for engaging described collision information maker, make described collision letter
Breath maker deformation or the described collision information maker of driving, to produce the direction indicating described collision and/or location information
Output.
7. the crash sensor as any one of claim 1-3 it is characterised in that:Described elastomeric element is waveform bullet
Spring, preferably surrounds described collision information maker.
8. crash sensor as claimed in claim 2 it is characterised in that:Described key-shaped part is silicone rubber key, and it is preferably logical
Cross compression moulding and form type, and there is the ring shaped conductive contact portion being arranged in its side and being preferably coated with conducting film, be used for
Contact and make corresponding conductive component/trace short circuit；And central authorities' conical section, it is another that described central authorities' taper is partially disposed on it
Side and having is engaged with described impact detecting part and/or the summit with the end face of described elastomeric element.
9. crash sensor as claimed in claim 5 it is characterised in that:One or more of conductive component/traces or institute
State tact switch to be indexed and/or be grouped to correspond to or to represent described impact detecting part and/or the phase of described expansion part
Answer region so that when corresponding conductive component/trace is shorted or described tact switch is triggered it is provided that described collision
Direction and/or location information.
10. a kind of device of use crash sensor, described device is used for detecting the part that can automatically move and the barrier of furniture
Hinder the collision of thing, and include：
A part for furniture, it has, and be suitable to can be with respect to the remainder of described furniture with least the one of non-manual manner movement
Individual movable part；
It is suitable to the automatic driving mechanism of mobile described movable part；
It is suitable to control the controller of described automatic driving mechanism；And
Crash sensor as claimed in any one of claims 1-9 wherein, it is suitable to inspection during the motion of described movable part
Survey and the collision of barrier, and collect direction and/or the location information of described collision when described collision occurs, then to described
Controller sends the output indicating described collision, to adjust described automatic driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620786872.XU CN205957989U (en) | 2016-07-26 | 2016-07-26 | Crash sensor and device that uses it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620786872.XU CN205957989U (en) | 2016-07-26 | 2016-07-26 | Crash sensor and device that uses it |
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| Publication Number | Publication Date |
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| CN205957989U true CN205957989U (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620786872.XU Expired - Fee Related CN205957989U (en) | 2016-07-26 | 2016-07-26 | Crash sensor and device that uses it |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109388143A (en) * | 2018-11-29 | 2019-02-26 | 天佑电器（苏州）有限公司 | Robot and its ambulation control method |
| CN111562617A (en) * | 2020-05-27 | 2020-08-21 | 珠海格力智能装备有限公司 | Collision detection device |
| CN113915574A (en) * | 2021-10-26 | 2022-01-11 | 宁波康焱照明电器有限公司 | Street lamp and lamp post thereof |
-
2016
- 2016-07-26 CN CN201620786872.XU patent/CN205957989U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109388143A (en) * | 2018-11-29 | 2019-02-26 | 天佑电器（苏州）有限公司 | Robot and its ambulation control method |
| CN109388143B (en) * | 2018-11-29 | 2024-03-12 | 天佑电器（苏州）有限公司 | Robot and walking control method thereof |
| CN111562617A (en) * | 2020-05-27 | 2020-08-21 | 珠海格力智能装备有限公司 | Collision detection device |
| CN111562617B (en) * | 2020-05-27 | 2023-05-09 | 珠海格力智能装备有限公司 | Collision detection device |
| CN113915574A (en) * | 2021-10-26 | 2022-01-11 | 宁波康焱照明电器有限公司 | Street lamp and lamp post thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20200726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |