CN109538094A - A kind of automatic charging delay door gear - Google Patents

A kind of automatic charging delay door gear Download PDF

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Publication number
CN109538094A
CN109538094A CN201910006383.6A CN201910006383A CN109538094A CN 109538094 A CN109538094 A CN 109538094A CN 201910006383 A CN201910006383 A CN 201910006383A CN 109538094 A CN109538094 A CN 109538094A
Authority
CN
China
Prior art keywords
gear
door
automatic charging
delayed
buckle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910006383.6A
Other languages
Chinese (zh)
Inventor
张栎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201910006383.6A priority Critical patent/CN109538094A/en
Publication of CN109538094A publication Critical patent/CN109538094A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/79—Power-operated mechanisms for wings with automatic actuation using time control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132—Doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The present invention relates to a kind of automatic charging delay door gears, it is formed including door, drive system, buffer gear, lighting system and control system, drive system includes power generation gear set, rechargeable battery and solar panels, the gear set that generates electricity connects the link mechanism of door switch, gives rechargeable battery to charge with solar panel charging panel；Power generation gear set is connected using link mechanism, the gear of Electromagnetic generation coil is driven to rotate power generation, it charges with solar panel daytime, the power supply of LED light is provided, play the role of delay by timer, microswitch and unlocking motor, buckle to close the door, facilitate old man and push away the demand that the crowd etc. of perambulator slowly enters and leaves, improves the security performance of switch gate.

Description

A kind of automatic charging delay door gear
Technical field
The present invention relates to Opening-closing equipment for door technical fields, more specifically refer to a kind of automatic charging delay door gear.
Background technique
With entrance door system as the term suggests being exactly the system for carrying out control to exit and entrance, it is in traditional door On the basis of develop.Traditional machine door is only simple mechanical device, and no matter how reasonable structure design is, and material is more Firm, people can open or close it with by various means.The many channels of people are being entered and left (as office, hotel Guest room), the management of door is pretty troublesome, often have because door switch bump against people or object or damage door or object or cause it is unnecessary Injury.People are improved to a certain extent to the management degree of exit and entrance, and channel management is made to enter electronic age, The defect of machine door itself just gradually exposes, the high failure rate of door switch, and safety coefficient is low.The door in this period also rests on morning In tradition machinery stage phase, the degree of automation requirement of the current people to switch gate is not adapted to, switch gate can not adapt to old man Children, or the crowd of carriage for children weight is pushed away, it needs a people to push the door open, prevents the closing of door, the shut-in time of door cannot determine When control, it has not been convenient to the people of latency requirement in need passes through, and be easy to cause the difficulty hit door or be difficult to enter.
Recent years has obtained rapid development with automatic gate technique, the development of biological identification technology, access control system, The maturity period is entered, induction cassette access control system, fingerprint entrance guard system, iris entrance guard system, face recognition gate inhibition system occurs System, the system of the various technologies such as Orderless keyboard access control system, they all respectively have in safety, convenience, ease of manageability etc. Speciality, but access control system is more complicated system, needs 24 hours power supplys, once having a power failure, also only stops intelligence and opens The application in lock stage, cannot but allow an automatic charging, and pooling feature when not having fixed response time, it may appear that close the door and hit thing Therefore.
Really structurally reasonable at present, perfect durable door switch intelligence system has not yet, and be not delayed automatic charging Function because every Tianmen will switch very much, kinetic energy and solar energy source are slatterned.The pass but most of door cannot be delayed Door, cannot buffer the strength of switch gate, often bump against people or thing, or cannot allow more people that can pass through, while can not be It shuts the door in certain time, it is necessary to which people goes to close the door personally, wastes the manual labor of switch gate, simultaneously because switch gate does not have The time control for buffering delay timing be easy to cause the damage of glass door and collides to persons or things and injures.
Therefore, it is necessary to develop a kind of automatic charging delay door gear.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of automatic charging delay door gears, pass through the kinetic energy of switch gate It is converted into electric energy and solar panels automatic charging, does not have power failure, realizes the function that automatic charging delay timing is closed the door.
In order to solve the above technical problem, the present invention provides a kind of automatic charging delay door gears, including door, driving system System, buffer gear, lighting system and control system composition, the drive system include power generation gear set, rechargeable battery and the sun Energy plate, the power generation gear set connect the link mechanism of the door switch, give the rechargeable battery to charge with the solar panels；
The buffer gear includes unlocking motor and buffer unit, and the unlocking motor is by described rechargeable battery powered；
The lighting system includes LED light, connects the rechargeable battery, and connect control system；
The control system includes PCB circuit board and timer, and control connects the drive system, buffer gear and illumination System.
Further scheme is that the buffer unit includes pawl, buckle and spring, and unlocking motor drives pawl rotation, The pawl pushes the buckle to move up and down, and by the spring reset.
Further scheme is that described buckle one end is stuck in the circular hole of connecting rod one.
Further scheme is that described buckle one end is equipped with step, and buffering connecting rod one is prevented to rotate.
Further scheme is square groove of the buckle across the locating piece.
Further scheme is that the timer is additionally provided with microswitch, when touching the baffle of the buckle, is controlled simultaneously The switch of the unlocking motor.
Further scheme is that the link mechanism includes connecting rod two and connecting rod one, and the connecting rod two connects the hinge of the door Chain.
Further scheme is that the power generation gear set includes that electromagnetic power generation apparatus, gear one, gear two and gear three are mutual Tertiary gear rotation power generation is engaged, the gear one is driven around rotation axis by connecting rod one and rotates.
Further scheme is that the PCB circuit board is equipped with infrared inductor, the induction control LED light when someone comes Switch.
Further scheme is that the rechargeable battery is charged lithium cells.
Compared with the prior art, the invention has the advantages that: using link mechanism connection power generation gear set, drive electromagnetism The gear rotation power generation and charging on solar panel daytime of power coil, provide the power supply of LED light, are opened by timer, fine motion It closes and unlocking motor, buckle plays the role of delay and close the door, mainly have the advantage that
1, it can be charged to rechargeable battery when switch gate by the power generation gear set of the link mechanism with door hinge chain link, too Positive energy solar panel, can charge to rechargeable battery on daytime, be controlled by control system for electricity output；
2, the unlocking motor for starting buffer structure at closing time drives pawl rotation, is pushed away by timer and unlocking motor rotation Dynamic buckle clamping connecting rod one, allows Men Budong, then unlocks and can facilitate old man with time-delay closing, and the people for pushing away perambulator enters and leaves；
3, PCB circuit board is equipped with infrared inductor and has lamp illumination when night someone is to doorway, improve security performance.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of the specific embodiment of the invention；
Fig. 2 is the operation principle schematic diagram of the specific embodiment of the invention；
Fig. 3 is the assembling schematic diagram of the specific embodiment of the invention；
Fig. 4 is the structural schematic diagram of specific embodiment of the invention power generation gear set；
Fig. 5 is the structural schematic diagram of specific embodiment of the invention tripper；
Fig. 6 is the structural schematic diagram of specific embodiment of the invention buckle.
Appended drawing reference
1, door；2, timer；3, spring；4, connecting rod two；5, it buckles；6, connecting rod one；7, generate electricity gear set；8, Electromagnetic generation Device；9, infrared inductor；10, PCB circuit board；11, unlocking motor；12, pawl；13, rotation axis；14, rechargeable battery； 15, LED light；16, solar panels；17, bracket；18, hinge；19, baffle；20, microswitch；21, locating piece；51, step； 71, gear one；72, gear two；73, gear three；74, generate electricity rotate gear.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 6, specific embodiments of the present invention, including door 1, drive system, buffer gear, lighting system It is formed with control system, drive system includes power generation gear set 7, rechargeable battery 14 and solar panels 16, and power generation gear set 7 connects The link mechanism of 1 switch of door charges with solar panels 16 to rechargeable battery 14；Solar panels 16 set light-inductive device.
Buffer gear includes unlocking motor 11 and buffer unit, and unlocking motor 11 is powered by rechargeable battery 14.
Lighting system includes LED light 15, connects rechargeable battery 14, and connect control system, entire component is fixed on door On bracket 17 on.
Control system includes PCB circuit board 10 and timer 2, control connection drive system, buffer gear and lighting system.
Further, buffer unit includes pawl 12, buckle 5 and spring 3, and unlocking motor 11 is rotated with pawl 12, Pawl 12 pushes buckle 5 to move up and down, and is resetted by spring 3.
Further, 5 one end of buckle are stuck in the circular hole of connecting rod 1, and buckle 5 can allow connecting rod with clamping connecting rod 1 in this way One 6 is slowly mobile or motionless.
Further, 5 one end of buckle are equipped with step, and buffering connecting rod 1 is prevented to rotate, or move along the inclined-plane of step 51 It is dynamic, it is slowly mobile to push door 1, and play the role of buffering.
Further, buckle 5 passes through the square groove of locating piece 21, and by 21 stationary positioned of locating piece, facilitates buckle 5 mobile It is unbiased.
Further, timer 2 is additionally provided with microswitch 20, when touching the baffle 19 of buckle 5, while controlling unlock electricity The switch of machine 11.The time that timing extends shutdown 1 can be set in timer 2.For example timer 2 timing is 10 seconds, this section After time delays are closed the door 10 seconds, timer 2 controls unlocking motor 11 as the rotation of relay motor, and buckle 5 up moves, and unlock connects Bar 1, door 1 are shut.
Further, link mechanism includes connecting rod 24 and connecting rod 1, and connecting rod 24 connects the hinge 18 of door 1, when door 1 is opened Guan Shi, the hinge 18 of door 1 rotate, and pull connecting rod mechanism movement, while connecting rod 1 is set there are two hole, and two with rotation axis 13 Axis rotation connection, rotation axis 13 are fixedly connected with gear 1, and when connecting rod 1 rotates, band moving gear 1 rotates simultaneously, are driven The gear set 7 that generates electricity links.
Further, power generation gear set 7 includes that electromagnetic power generation apparatus 8, gear 1, gear 2 72 and gear 3 73 are mutual Tertiary gear rotation power generation is engaged, and the double-deck transmission rotate gear can be respectively adopted, gear 1 is pushed by connecting rod 1 to be turned Power generation rotate gear 74 that is dynamic, linking on electromagnetic power generation apparatus 8 charges by Electromagnetic generation, and to rechargeable battery 14.
Further, PCB circuit board 10 is equipped with infrared inductor 9, and when someone comes, infrared inductor 9 is sensed Signal, and control the switch of LED light 15.
Further, rechargeable battery 14 is charged lithium cells, and kinetic energy and solar energy are converted to the electric energy of lithium battery, are LED light 15, control system and buffer unit power supply.
The present invention prohibits buffering delay timing 1 device of shutdown by the glass door 1 of automatic charging, is connected and is sent out using link mechanism Electric gear set 7 drives the gear rotation power generation and charging on solar panel daytime of Electromagnetic generation coil, provides LED light 15 Power supply plays the role of delay shutdown 1 by timer 2, microswitch 20 and unlocking motor 11, buckle 5, mainly has following excellent Point:
1, rechargeable battery 14 can be given by the power generation gear set 7 for the link mechanism connecting with 1 hinge 18 of door when switch gate 1 Charging, solar panels 6 can charge to rechargeable battery 14 on daytime, be controlled by control system for electricity output；
2, the unlocking motor 11 of starting buffer structure is rotated with pawl 12 when shutdown 1, passes through timer 2 and unlocking motor 11 rotations push 5 clamping connecting rods 1 of buckle, make door 1 motionless, then unlock and can facilitate old man with time-delay closing, push away the people of perambulator It enters and leaves；
3, PCB circuit board 10 is equipped with infrared inductor and has lamp illumination when night someone is to 1 mouthful of door, improve safety Energy.
The foregoing is merely this patent preferred embodiments, not limit this patent range, all using specification and attached Equivalent structure or equivalent flow shift made by figure content is directly or indirectly used in other relevant technical fields, belongs to The scope of this patent.

Claims (10)

  1. The door gear 1. a kind of automatic charging is delayed, it is characterised in that: including door, drive system, buffer gear, lighting system and control System composition processed, the drive system include power generation gear set, rechargeable battery and solar panels, and the power generation gear set connects institute The link mechanism for stating door switch charges with the solar panels to the rechargeable battery；
    The buffer gear includes unlocking motor and buffer unit, and the unlocking motor is by described rechargeable battery powered；
    The lighting system includes LED light, connects the rechargeable battery, and connect control system；
    The control system includes PCB circuit board and timer, and control connects the drive system, buffer gear and illumination system System.
  2. The door gear 2. automatic charging as described in claim 1 is delayed, it is characterised in that: the buffer unit include pawl, Buckle and spring, the unlocking motor drive pawl rotation, and the pawl pushes the buckle to move up and down, and by the spring It resets.
  3. The door gear 3. automatic charging as claimed in claim 2 is delayed, it is characterised in that: described buckle one end is stuck in connecting rod one In circular hole.
  4. The door gear 4. automatic charging as claimed in claim 2 or claim 3 is delayed, it is characterised in that: described buckle one end is equipped with step, Buffering connecting rod one is prevented to rotate.
  5. The door gear 5. automatic charging as claimed in claim 2 is delayed, it is characterised in that: the buckle is across the locating piece Square groove.
  6. The door gear 6. automatic charging as described in claim 1 and 2 is delayed, it is characterised in that: the timer is additionally provided with fine motion Switch when touching the baffle of the buckle, while controlling the switch of the unlocking motor.
  7. The door gear 7. automatic charging as described in claim 1 is delayed, it is characterised in that: the link mechanism includes the connecting rod One and connecting rod two, the connecting rod two connect the hinge of the door.
  8. The door gear 8. automatic charging as described in claim 1 is delayed, it is characterised in that: the power generation gear set includes electromagnetism hair Electric installation, gear one, gear two and gear three intermesh gear rotation power generation, the gear one by the connecting rod one promotion encloses It is rotated around rotation axis.
  9. The door gear 9. automatic charging as described in claim 1 is delayed, it is characterised in that: the PCB circuit board is equipped with infrared ray Inductor, the switch of induction control LED light.
  10. The door gear 10. automatic charging as described in claim 1 is delayed, it is characterised in that: the rechargeable battery is charging lithium electricity Pond.
CN201910006383.6A 2019-01-04 2019-01-04 A kind of automatic charging delay door gear Pending CN109538094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910006383.6A CN109538094A (en) 2019-01-04 2019-01-04 A kind of automatic charging delay door gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910006383.6A CN109538094A (en) 2019-01-04 2019-01-04 A kind of automatic charging delay door gear

Publications (1)

Publication Number Publication Date
CN109538094A true CN109538094A (en) 2019-03-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910006383.6A Pending CN109538094A (en) 2019-01-04 2019-01-04 A kind of automatic charging delay door gear

Country Status (1)

Country Link
CN (1) CN109538094A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109814466A (en) * 2019-03-08 2019-05-28 安徽理工大学 A kind of multifunctional intellectual door system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1594812A (en) * 2004-04-16 2005-03-16 陈凌峰 Intelligent electric door/window driving device drive unit
CN103726730A (en) * 2014-01-15 2014-04-16 戴贵阳 Large-opening-degree door buffering hinge
CN103953254A (en) * 2014-04-18 2014-07-30 李荣斌 Door closer and use method of door closer
CN203783414U (en) * 2014-04-24 2014-08-20 曹进 Electricity-generating, lighting and theft-proof multifunctional device for door
CN204040737U (en) * 2014-03-10 2014-12-24 娄万东 Timed-shutoff door gear
CN204238735U (en) * 2014-11-20 2015-04-01 国家电网公司 A kind of family expenses door engine
CN204571633U (en) * 2015-04-20 2015-08-19 朱校良 The electric dual control door closer of temperature
CN106854958A (en) * 2015-12-09 2017-06-16 陕西天堃电子科技有限公司 A kind of door engine
CN108049713A (en) * 2017-11-22 2018-05-18 安徽理工大学 A kind of automatic time delay multistage anti-lock device
CN210264445U (en) * 2019-01-04 2020-04-07 张栎 Automatic charging time-delay door device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1594812A (en) * 2004-04-16 2005-03-16 陈凌峰 Intelligent electric door/window driving device drive unit
CN103726730A (en) * 2014-01-15 2014-04-16 戴贵阳 Large-opening-degree door buffering hinge
CN204040737U (en) * 2014-03-10 2014-12-24 娄万东 Timed-shutoff door gear
CN103953254A (en) * 2014-04-18 2014-07-30 李荣斌 Door closer and use method of door closer
CN203783414U (en) * 2014-04-24 2014-08-20 曹进 Electricity-generating, lighting and theft-proof multifunctional device for door
CN204238735U (en) * 2014-11-20 2015-04-01 国家电网公司 A kind of family expenses door engine
CN204571633U (en) * 2015-04-20 2015-08-19 朱校良 The electric dual control door closer of temperature
CN106854958A (en) * 2015-12-09 2017-06-16 陕西天堃电子科技有限公司 A kind of door engine
CN108049713A (en) * 2017-11-22 2018-05-18 安徽理工大学 A kind of automatic time delay multistage anti-lock device
CN210264445U (en) * 2019-01-04 2020-04-07 张栎 Automatic charging time-delay door device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109814466A (en) * 2019-03-08 2019-05-28 安徽理工大学 A kind of multifunctional intellectual door system

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