CN205666198U - Support manually and intelligent air switch automatic control - Google Patents
Support manually and intelligent air switch automatic control Download PDFInfo
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- CN205666198U CN205666198U CN201620286831.4U CN201620286831U CN205666198U CN 205666198 U CN205666198 U CN 205666198U CN 201620286831 U CN201620286831 U CN 201620286831U CN 205666198 U CN205666198 U CN 205666198U
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- intelligent air
- air switch
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Abstract
The utility model provides a support manually and intelligent air switch automatic control, including the air switch body, the air switch body include the switch lever and with switch lever drive mechanism, fixed contact, at least a set of movable contact, solenoid, electromagnetic core, mechanical self -lock device, communication circuit control unit and the power supply unit connected, movable contact and fixed contact set up relatively, switch lever and movable contact correspond the setting, electromagnetic core and movable contact correspond to set up, when the switch lever received external force, mechanical self -lock device can realize that movable contact and fixed contact are connected or break off, switch on and during the push -pull effort of production on electromagnetic core, mechanical self -lock device also can realize at solenoid movable contact be connected or break off with fixed contact. The utility model discloses an intelligence air switch supports to open or close, safe and reliable, energy -concerving and environment -protective noiselessness through smart machine or backend server.
Description
Technical field
This utility model relates to a kind of air switch field, particularly to a kind of Intelligent air supported and manually and automatically control
Air cock.
Background technology
Air switch, has another name called air-break, is the one of chopper.As long as being that in a kind of circuit, electric current exceedes specified electricity
The switch that stream will disconnect automatically.Air switch is very important a kind of electricity in low voltage power distribution network and electric drive system
Device, it integrates control and multi-protective function.Decapacitation completes outside contact and disjunction circuit, still can be to circuit or electrical equipment
Short circuit, heavy overload and the under-voltage etc. that occur are protected, and can be used for infrequently actuating motor simultaneously.Traditional
The control by intelligent terminal or backstage do not supported by air switch, it is achieved is turned on and off.
Along with developing rapidly of Internet of Things (IOT, Internet OfThings), accessed mutually by WIFI or other modes
The smart jack product of networking has obtained rapid development, and each big and small manufacturer is all proposed respective smart jack and produces
Product, such as Semen setariae, little K, ALLRED are rich, BroadLink, bull, Haier, Bel's gold etc., current smart jack product all may be used
To support that the socket that is turned on and off being controlled relay switch by mobile phone A PP is exported, or timing output is set, side greatly
The use of user just.
But the most all of smart jack product is in actual use, due to all sockets need to be connected to electrical equipment with
Between former socket, add socket pins loose contact and cause the probability of heating.And cannot be used for original family and fix circuit
Controlling, such as light, not through socket.Further, since almost all of smart jack uses relay as opening or closing
Control device, need to keep power supply to keep adhesive to relay coil in the state opened or closed always, cause and generate heat and certain
Power attenuation, perfect effects of energy conservation and environmental protection can not be reached.
Utility model content
In order to solve above technical problem, support that the intelligent air manually and automatically controlled is opened it is proposed that a kind of
Close, the installation dimension of this intelligent air switch perfect compatible original domestic air switch, manual mode both can have been used to open or
Close, it is also possible to support that intelligent terminal or high in the clouds are turned on and off, it is not necessary to the long-time solenoid given in air switch is long
Phase powers, energy-conserving and environment-protective, easy to use.
The technical solution of the utility model is achieved in that
The utility model discloses a kind of intelligent air switch supported and manually and automatically control, including air switch originally
Body, described air switch body includes switch knob and the drive mechanism being connected with described switch knob, fixed contact, extremely
Few one group of armature contact, solenoid, electromagnetic core, mechanical self-locking device, communicating circuit control unit and power supply unit, institute
The armature contact stated is oppositely arranged with fixed contact, and described switch knob is correspondingly arranged with armature contact, described electric magnet
Core is correspondingly arranged with described armature contact, and when described switch knob is by external force, described mechanical self-locking device can be real
Existing armature contact is connected with fixed contact or disconnects, the push-pull effort produced on electromagnetic core in described solenoid energising
Time, described mechanical self-locking device also can realize described armature contact and is connected with fixed contact or disconnects.
Further, described intelligent air switch also includes all being connected with described electromagnetic core and switch knob
Drive link, described armature contact and mechanical self-locking device may be contained within described drive link, described mechanical self-locking device
Including from locking plate, spring, connecting rod, contact, described can be because of to the switch block being arranged on described switch knob from locking plate
Locking under direction of motion pressing or electromagnetic force and make described switch block be fixed on position at first, or release locking and
Switch block is made to be fixed on position at second, so that being locked in position at described first during motion for the first time to drive armature contact
Fixed contact described in connection, does not has external force to keep described fixed contact to close with armature contact, described in again during motion yet
Mechanical self-locking device release, under described spring effect, realize described fixed contact and armature contact disconnect.
Further, described communicating circuit control unit includes: instruction issue and reception unit, is used for receiving and launching
From or mail to control command or the information of air switch described in intelligent terminal or background server；
Solenoid driver element, is connected with described instruction issue and reception unit, is used for sending driving pulse letter
Number, described drive pulse signal can control described in solenoid be energized within the shortest burst length, described electromagnetic wire
The electromagnetic core described in electromagnetic attracting force that circle produces, produces the motion relative to the fixed contact described in the other end, institute simultaneously
The mechanical self-locking device stated realizes locking or release, so that being turned on and off described intelligent air switch.
Further, described intelligent air switch also includes being arranged at described fixed contact and armature contact junction
Neighbouring arc-extinguish chamber.The electric arc produced during for eliminating switch or electric spark.
Further, described instruction issue and receive unit include bluetooth module, WIFI module, Lora module,
In Zigbee module, GPRS module, 3G module, 4G module, 5G module, Z-Wave module, RF module one or more.
Further, described intelligent air switch also includes being connected to described fixed contact and described communicating circuit
At least one current sensor between control unit and/or voltage sensor and/or temperature sensor.
Further, described intelligent air switch can manually press or push-and-pull or stir described switch knob,
Armature contact is driven to produce the motion relative to fixed contact by described drive mechanism, it is achieved described intelligent air is opened
Close is switched on or switched off.
Further, described electromagnetic core produces under electromagnetic force drive in described solenoid energising, can realize institute
The switch block stated, toward pressing direction or the motion of contrary direction, is turned on and off described air switch with enable, described
One in electromagnetic core specifically mild steel iron core or pure iron iron core, soft iron iron core or silicon sheet core.
Further, described communicating circuit control unit can be allowed in alternating current " mistake according to detection alternating current sequential
Zero " pulse control signal is exported before and after, by being switched on or switched off of solenoid controlled fixed contact and armature contact.
Further, described solenoid has only to, in the moment energising work being turned on and off, be not required to At All Other Times
It is energized.
Implement a kind of air switch supporting manually and automatically to control of the present utility model, there is following useful technology effect
Really:
This intelligent air switchs the installation dimension of completely compatible normal air switch, profile size, completely compatible common sky
The mode of operation of air cock, can either manually or by stirring or push-and-pull, or pressing mode realize being turned on and off, it is also possible to pass through
Intelligent terminal or background server realize intelligentized control method, such as time opening/closedown, report and counting user power consumption number
According to, remotely close air switch when going out or need not and use, to realize energy-conserving and environment-protective, prevent electrical equipment on fire etc. safe and reliable
Purpose.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of intelligent air switch module supporting manually and automatically to control of first embodiment of the present utility model
Figure；
Fig. 2 is the communicating circuit control unit functional block diagram in Fig. 1；
Fig. 3 is a kind of intelligent air switch module supporting manually and automatically to control of the second embodiment of the present utility model
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
For the deficiency of smart jacks all in current society, the Intelligent air that controls based on Internet of Things of our utility model
Air cock (sometimes referred to as " chopper ", " air-break "), is characterized in that perfect compatible original domestic air switchs (the most also
Claim " chopper ", " air-break ") installation dimension, manual mode both can have been used to be turned on and off, it is also possible to support intelligence
Energy terminal or high in the clouds are turned on and off, and meet the standards such as country IEC60898 GB10963.User uses of the present utility model opening
Close after replacing original air switch (sometimes referred to as " chopper ", " air-break "), i.e. can be by original regular tap liter
Level switchs for intelligent air, adds the protections such as stream, overvoltage, overheated, protection against electric shock.Smart jack in society makes relatively at present
Controlling with relay and need to increase power consumption, we only need solenoid to lead at operating instant when automatically turning on or close
Electricity (millisecond rank), is energized without solenoid with regular tap is just the same during hand switch.User can by intelligence eventually
End or the time set automatically turn on or close, it is also possible to coordinate Smart Home sensor ratio such as gas alarm to be automatically switched off
Domestic power circuit, to reach the purposes such as safety, energy-conserving and environment-protective.
This intelligent air switchs by air switch body, and described air switch body includes stirring or key switch handle
And drive mechanism, mechanical self-locking device, fixed contact, armature contact, solenoid, electromagnetic core, communicating circuit control unit
And AC-DC power supply unit composition.
Refer to Fig. 1, embodiment of the present utility model, a kind of intelligent air switch 1 supporting manually and automatically to control, bag
Include air switch body 10, air switch body 10 include switch knob 90 and the drive mechanism 80 being connected with switch knob 90,
Fixed contact 20, least one set armature contact 30, solenoid 60, electromagnetic core 601, mechanical self-locking device 701, communicating circuit
Control unit 50 and power supply unit 40.
Armature contact 30 is oppositely arranged with fixed contact 20, and switch knob 90 is correspondingly arranged with armature contact 30, electric magnet
Core 601 is correspondingly arranged with armature contact 30, and when switch knob 90 is by external force, mechanical self-locking device 701 can touch in realization activity
Point 30 is connected with fixed contact 20 or disconnects, solenoid 60 be energized and during the push-pull effort of generation on electromagnetic core 601, machine
Tool self-locking device 701 also can realize armature contact 30 and is connected with fixed contact 20 or disconnects.
It is preferred that solenoid 60 is connected with armature contact 30, drive link 70 and armature contact 30, mechanical self-locking device
701, electromagnetic core 601 and drive mechanism 80 physical connection.Air switch 1 also includes the communication being connected with solenoid 60
Circuit control unit 50, after communicating circuit control unit 50 receives the signal of outside, can start solenoid 60 and work and at electricity
Under the drive of the electromagnetic force produced on magnetic core 601, it is achieved fixed contact 20 is connected and break-make with armature contact 30.
Armature contact 30 and fixed contact 20 form switch contact, and switch contact both can be a road, it is also possible to be two-way,
Or 3 tunnels (three-phase alternating current), switch contact at least one end is movable with Switch main body, it is also possible to upper two ends or above with switch
Body is movable, and the control mode of switch can be i.e. manual, it is also possible to is to switch by the way of solenoid moment is energized.
This utility model substantially provides a kind of intelligent air switch, is also referred to as " intelligent breaker " or " intelligent air breaks
Road device ", the installation dimension of air switch body 10 therein and function, completely compatible normal air switch in the market
(sometimes referred to as " chopper ", " air-break "), communicating circuit control unit 50 therein adds based on Internet of Things (IOT
Internet Of Things) control module of technology or chip, user i.e. can be manually opened as normal air switch
Or close, it is also possible to set by cell phone intelligent terminal or background server, automatically turn on or close, directly control original power supply
Circuit, to reach intelligence, safety, the effect of energy-conserving and environment-protective.Owing to using High performance industrial Grade I OT chip or module, can be real
The most more improve and reliable safeguard protection, such as overcurrent, overvoltage, overload, overheated, protection against electric shock, coulant meter etc..User
Without transforming original circuit, it is only necessary to normal air switch is changed to this intelligent air switch and can upgrade to Based Intelligent Control system
System, does not change the operating habit that user is original.
The inside of mechanical self-locking device 701, can be because of to switch portion from locking plate by forming from locking plate, spring, connecting rod, contact etc.
Lock under the pressing of the part direction of motion or electromagnetic force and make switch block be fixed on position at, or release locks and makes switch
Parts are fixed on position at another, drive armature contact 30 to connect fixed contact so that being locked in a certain position during motion for the first time
20, do not have external force to keep fixed contact 20 to close with armature contact 30 yet, during motion, mechanical self-locking device 701 discharges again,
Realize fixed contact 20 under spring effect to disconnect with armature contact 30.
The principle that air switch body 10 realizes is:
During manual operation: by pressing switch knob 90, promote armature contact 30 by drive mechanism 80 and drive link 70
Be turned on and off with fixed contact 20, simultaneously mechanical self-locking device 701 correspondence locking or release with reach stable unlatching or
The state closed, whole During manual operation is without communicating circuit control unit 50 or the action of solenoid 60, completely with general
As blowing air switch.
Solenoid 60 can be solenoid hollow electromagnetic coil, and electromagnetic core 601 is positioned over solenoid hollow electromagnetic coil
In, electromagnetic core 601 one end and drive link 70, drive mechanism 80, armature contact 30 physical connection, can by button thrust or
Spring tension or solenoid produce magnetic force and in the internal axially-movable of solenoid 60, drive armature contact 30 and fixed contact
20 contacts or disconnection.Mechanical self-locking device 701 is positioned on drive link 70, has self-locking device inside it, can button because of pressing or
Keeping locking or release locking under electromagnetic force, keeping locking i.e. for the first time during motion, even if there is no external force also maintained switch
Guan Bi, release locking during motion again, disconnect under the action of the spring.
Referring to Fig. 2, communicating circuit control unit 50 includes:
Instruction and transmission receive unit 501, are turned on and off intelligence for receiving from what intelligent terminal and backstage sent
The order of air switch 1, or send the data signal that on air switch, sensor detects；
Solenoid driver element 502, receives unit 501 with instruction and transmission and is connected, and is used for sending driving pulse letter
Number, drive pulse signal can control solenoid 60 and be energized within the shortest burst length, the electromagnetic force that solenoid 60 produces
Attract to be connected to the electromagnetic core 601 of armature contact 30, produce the motion relative to other end fixed contact 20, simultaneously machinery
Self-locking device 701 realizes locking or release, so that being turned on and off intelligent air switch 1.
During by intelligent terminal or consistency operation: IOT Internet of Things chip or module receive intelligent terminal or backstage sends
After being turned on and off instruction, send pulse letter signal by GPIO mouth, control solenoid 60 logical within the shortest burst length
Electricity (millisecond rank), the electromagnetic core 601 that the electromagnetic attracting force that solenoid 60 produces is connected on switch contact, produce relatively
Fix the motion of switch contact in the other end, mechanical self-locking device locking simultaneously or release, to reach to be turned on and off switch
Effect.Please note that solenoid 60 only be turned on and off moment energising work (millisecond rank), other times without work,
Greatly improve reliability and technical ability environmental protection.
Intelligent air switch 1 also includes being arranged at fixed contact 20 and the arc-extinguish chamber 101 of armature contact 30 junction.
Instruction and transmission receive unit 501 and include and be not limited to bluetooth module, WIFI module, LPWAN module, Zigbee mould
In block, GPRS module, 3G module, 4G module, 5G module, Z-Wave module, RF module one or more, or other communication modules
And technology.
Intelligent air switch 1 also includes at least one being connected between fixed contact 20 and communicating circuit control unit 50
Current sensor and/or voltage sensor and/or temperature sensor or other sensor, for when IOT Internet of Things chip or mould
When block receives overcurrent that its sensor acquisition connected comes, overvoltage, the protection signal such as overheated, by the process as above chatted
Turn off the power switch.
Referring to Fig. 3, another embodiment of intelligent air switch 1, intelligent air switch 1 is dial type air switch.
Switching 1 most building block for the intelligent air of dial type identical with embodiment one, difference is: this reality
Execute the switch of the intelligent air in example and 1 comprise tumbler switch handle 100,100, tumbler switch handle as insulating material,
Tumbler switch handle 100 centre position is provided with a shaft hole 102, and its effect is by tumbler switch handle about 100
The power of stirring transfers upper and lower push-pull effort, tumbler switch handle 100 and switch drive link 103 physical connection to, is also connected to live simultaneously
Movable contact 30 and be connected to electromagnetic core 601 by insulant.
Also having a mechanical self-locking device 701 on tumbler switch handle 100, mechanical self-locking device 701 is internal by self-locking
Sheet, spring, connecting rod, contact etc. form, can be because of under described switch block direction of motion pressing or electromagnetic force from locking plate
Lock and make switch block be fixed on position at, or release locks and makes switch block be fixed on position at another, so that the
Once it is locked in a certain position during motion and drives the fixed contact described in armature contact connection, do not have external force also to keep fixed contact
20 close with armature contact 30, and the mechanical self-locking device 701 described in again during motion discharges, and realize fixing touching under the action of the spring
Point 20 disconnects with armature contact 30.
With when stirring switch knob down, switch drive link 103 pull switch armature contact is to up and down motion, movable golden
Belonging to contact point contact with fixed contact point or disconnect, mechanical robot 701 locks or discharges, and mechanical robot 701 locks
Time, even if hands unclamps, switch is also maintained at switch closed condition.
Solenoid 60 during moment energising work, is placed on solenoid solenoid under communicating circuit control unit controls
Interior electromagnetic core 601 moves under the effect of electromagnetic force from top to bottom, drives switch drive link 103 to move, its work produced
Firmly as pressed in hands, its result is switch open or closedown.
Electromagnetic core 601 is under solenoid 60 drives, and under the common effect of mechanical self-locking device 701, can realize
Switch drive link 103 moves toward above-below direction in Fig. 3, is turned on and off described intelligent air switch 1 with enable.
Solenoid 60 in intelligent air switch 1 has only in the moment energising work being turned on and off, At All Other Times
Need not energising, greatly reduce power consumption and avoid conventional relays need energising keep and cause heating problem.
In this utility model, during mechanical self-locking device 701 motion for the first time, keep locking, release when moving again,
Returning to reset state under the effect of spring or metal tension force or elasticity, external switch both can be pressing type, it is also possible to be to dial
Dynamic formula, plug-type.Can convenient integrated a lot of defencive functions, such as overcurrent, overvoltage, protection against electric shock, overload, overheated, electric
The functions such as gauge.Electromagnetic core 601 is connected with switch drive link 103, can be at electromagnetic wire when by switch press or fluctuation
Axially-movable in circle 60, it is also possible to not moving by switch press or when stirring, electromagnetic core 601 receives solenoid 60
During effect, button or toggle switch can be driven to move toward pressing direction or contrary direction, to reach the effect being turned on and off.
Solenoid 60 uses pulse controlled mode to work within a very short time, i.e. can use unidirectional current, it would however also be possible to employ exchange
Electricity.
Implement a kind of air switch supporting manually and automatically to control of the present utility model, there is following useful technology effect
Really:
The installation dimension of this utility model perfection compatible original domestic air switch, manual mode both can have been used to open or
Close, it is also possible to support that intelligent terminal or high in the clouds are turned on and off, it is not necessary to the long-time relay given in air switch is long-term
Power supply, energy-conserving and environment-protective.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (10)
1. supporting the intelligent air switch manually and automatically controlled for one kind, including air switch body, described air switch is originally
Body includes switch knob and the drive mechanism being connected with described switch knob, fixed contact, least one set armature contact, electromagnetism
Coil, electromagnetic core, mechanical self-locking device, communicating circuit control unit and power supply unit, described armature contact is with fixing
Contact is oppositely arranged, and described switch knob is correspondingly arranged with armature contact, described electromagnetic core and described armature contact
Being correspondingly arranged, it is characterised in that when described switch knob is by external force, described mechanical self-locking device energy realization activity is touched
Point is connected with fixed contact or disconnects, during the push-pull effort produced on electromagnetic core in described solenoid energising, described
Mechanical self-locking device also can realize described armature contact and be connected with fixed contact or disconnect.
Intelligent air the most according to claim 1 switchs, it is characterised in that described intelligent air switch also include all with
The drive link that described electromagnetic core and switch knob are connected, described armature contact and mechanical self-locking device may be contained within institute
On the drive link stated, described mechanical self-locking device includes that, from locking plate, spring, connecting rod, contact, described can be because of to setting from locking plate
Lock under the switch block direction of motion pressing being placed on described switch knob or electromagnetic force and make described switch portion
Part is fixed on position at first, or release locks and makes switch block be fixed on position at second, so that lock during motion for the first time
It is scheduled on position at described first and drives the fixed contact described in armature contact connection, do not have external force also to keep described fixing to touch
Point closes with armature contact, the mechanical self-locking device release described in again during motion, realizes described under described spring effect
Fixed contact and armature contact disconnect.
3. switch according to the intelligent air described in any one of claim 1 to 2, it is characterised in that described communicating circuit controls
Unit includes: instruction issue and reception unit, for receiving and launch from or mail to the institute of intelligent terminal or background server
The control command of the air switch stated or information；
Solenoid driver element, is connected with described instruction issue and reception unit, is used for sending drive pulse signal, institute
The drive pulse signal stated can control described in solenoid be energized within the shortest burst length, described solenoid produces
The electromagnetic core described in electromagnetic attracting force, produce relative to the motion of the fixed contact described in the other end, simultaneously described in machine
Tool self-locking device realizes locking or release, so that being turned on and off described intelligent air switch.
Intelligent air the most according to claim 1 switchs, it is characterised in that described intelligent air switch also includes arranging
Arc-extinguish chamber near described fixed contact and armature contact junction.
Intelligent air the most according to claim 3 switchs, it is characterised in that described instruction issue and reception unit include
Bluetooth module, WIFI module, Lora module, Zigbee module, GPRS module, 3G module, 4G module, 5G module, Z-Wave mould
In block, RF module one or more.
Intelligent air the most according to claim 1 switchs, it is characterised in that described intelligent air switch also includes connecting
At least one current sensor between described fixed contact and described communicating circuit control unit and/or voltage sensor
Device and/or temperature sensor.
Intelligent air the most according to claim 1 switchs, it is characterised in that described intelligent air switch can be manually
Pressing or push-and-pull or stir described switch knob, drive armature contact to produce relative to fixing by described drive mechanism
The motion of contact, it is achieved being switched on or switched off of described intelligent air switch.
Intelligent air the most according to claim 2 switchs, it is characterised in that described electromagnetic core is at described electromagnetic wire
Circle energising produces under electromagnetic force drives, can realize described in switch block move toward pressing direction or contrary direction, with enable
Being turned on and off described air switch, described electromagnetic core specifically includes mild steel iron core or pure iron iron core, soft iron iron core
Or the one in silicon sheet core.
Intelligent air the most according to claim 3 switchs, it is characterised in that: described communicating circuit control unit can root
According to detection alternating current sequential, it is allowed to before and after alternating current " zero passage " export pulse control signal, is fixed by solenoid controlled
Being switched on or switched off of contact and armature contact.
Intelligent air the most according to claim 1 switchs, it is characterised in that described solenoid has only to opening
Or the moment energising work closed, need not energising At All Other Times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620286831.4U CN205666198U (en) | 2016-04-08 | 2016-04-08 | Support manually and intelligent air switch automatic control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620286831.4U CN205666198U (en) | 2016-04-08 | 2016-04-08 | Support manually and intelligent air switch automatic control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205666198U true CN205666198U (en) | 2016-10-26 |
Family
ID=57164131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620286831.4U Expired - Fee Related CN205666198U (en) | 2016-04-08 | 2016-04-08 | Support manually and intelligent air switch automatic control |
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| Country | Link |
|---|---|
| CN (1) | CN205666198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204262A (en) * | 2016-04-08 | 2017-09-26 | 袁想平 | It is a kind of to support the intelligent air manually and automatically controlled to switch |
| CN114392489A (en) * | 2020-08-12 | 2022-04-26 | 上海宏勃生物科技发展有限公司 | Device for continuously keeping distance between head of patient and physiotherapy instrument |
-
2016
- 2016-04-08 CN CN201620286831.4U patent/CN205666198U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204262A (en) * | 2016-04-08 | 2017-09-26 | 袁想平 | It is a kind of to support the intelligent air manually and automatically controlled to switch |
| CN114392489A (en) * | 2020-08-12 | 2022-04-26 | 上海宏勃生物科技发展有限公司 | Device for continuously keeping distance between head of patient and physiotherapy instrument |
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