CN206495622U - A kind of rolling screen door of the energy quick closedown driven by variable speed DC door roller - Google Patents
A kind of rolling screen door of the energy quick closedown driven by variable speed DC door roller Download PDFInfo
- Publication number
- CN206495622U CN206495622U CN201720087006.6U CN201720087006U CN206495622U CN 206495622 U CN206495622 U CN 206495622U CN 201720087006 U CN201720087006 U CN 201720087006U CN 206495622 U CN206495622 U CN 206495622U
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- door
- controller
- relay
- direct current
- normally
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Abstract
The utility model is related to a kind of rolling screen door of the energy quick closedown driven by variable speed DC door roller, including support, reel, door curtain guide rail, door curtain, door roller and transmission mechanism；The door roller is connected in sequence by gearbox, direct current generator, back casing and rear shell cover；The gearbox front end is provided with mounting seat；Brake gear and hand chain wheel are provided with the back casing；Controller is provided with the rear shell cover；The two ends of the main winding of the direct current generator and controller electrical connection；Relay and resistance with a normally-closed contact are additionally provided with the rear shell cover；The two ends of the relay coil and controller electrical connection；One end connection controller of the normally-closed contact of the relay, the other end connects one end of excitation of direct current generator winding, the other end connection controller of the Exciting Windings for Transverse Differential Protection；The normally-closed contact of the resistance and relay is in parallel.The utility model can be opened with normal speed, can be closed again with immediate mode.
Description
Technical field
The utility model is related to a kind of electric rolling door gear, more particularly to a kind of energy driven by variable speed DC door roller
The rolling screen door of quick closedown.
Background technology
Rolling screen door is used widely in places such as StoreFront, garage, markets, door roller be used for drive rolling screen door unlatching and
Close, be typically made up of gearbox, motor, back casing, rear shell cover, gearbox front end is provided with mounting seat, back casing and is provided with
Controller is provided with brake gear and hand chain wheel, rear shell cover.Rolling screen door plays general door inside and outside not only separating,
Fire spreading can also be stopped during generation fire.Therefore, when occurring emergency, it is desirable to which electric rolling door being capable of rapid decrease pass
Close, but existing rolling screen door is typically driven by exchange door roller, and the rotating speed of door roller is fixed, even if occurring emergency,
Can not be by rolling screen door quick closedown.
Utility model content
The utility model overcomes that the deficiencies in the prior art can open there is provided one kind with normal speed again can be with quick side
The rolling screen door driven by variable speed DC door roller that formula is closed.
The utility model is achieved through the following technical solutions：
A kind of rolling screen door of the energy quick closedown driven by variable speed DC door roller, including support, reel, door curtain guide rail,
Door curtain, door roller and transmission mechanism；The branch is set up in above door opening on the wall of both sides；The reel two ends and holder pivots
Connection；The door curtain guide rail is divided into door opening both sides；The door curtain is wrapped on reel and can slided up and down along door curtain guide rail；Institute
Door roller is stated on the support of reel one end, and is connected by transmission mechanism and reel；The door roller is by gearbox, direct current
Motor, back casing and rear shell cover are connected in sequence；The gearbox front end is provided with mounting seat；Provided with brake in the back casing
Device and hand chain wheel；Controller is provided with the rear shell cover；The controller external direct current power supply；The master of the direct current generator
The two ends of winding and controller electrical connection；Relay and resistance with a normally-closed contact are additionally provided with the rear shell cover；Institute
State two ends and the controller electrical connection of relay coil；One end connection controller of the normally-closed contact of the relay, the other end
Connect one end of excitation of direct current generator winding, the other end connection controller of the Exciting Windings for Transverse Differential Protection；The resistance and relay
Normally-closed contact is in parallel.
When opening rolling screen door, controller disconnects relay coil circuit, and relay normally-closed contact keeps normally closed；Controller
Direct current generator main winding circuit is connected, and connects excitation of direct current generator winding circuit, because relay normally-closed contact keeps normally closed, electricity
Stream does not flow through resistance, directly flows to Exciting Windings for Transverse Differential Protection through normally-closed contact, and direct current generator, which is rotated, drives door roller to rotate, and door roller leads to
Cross transmission mechanism and drive spool turns, it is dynamic that reel drives the door curtain being wrapped on reel to carry out enabling along door curtain guide rail upward sliding
Make；When closing rolling screen door, controller connects direct current generator main winding circuit, is also turned on relay coil circuit, relay line
Energized action is enclosed, normally-closed contact disconnects, and controller connects excitation of direct current generator winding circuit, and now the normally-closed contact of relay has been
Disconnect, electric current flows to Exciting Windings for Transverse Differential Protection through resistance.According to the rotating speed formula of direct current generator：n=(U-2ΔUs-IaRa)/(CeΦ)（Its
Middle n is rotating speed, and U is motor terminal voltage, and Δ Us is brush pressure drop, and Ia is armature supply, and Ra is armature winding resistance Ce
For constant of the machine, Φ is motor gas-gap magnetic flux）, Exciting Windings for Transverse Differential Protection access resistance after, the electric current of Exciting Windings for Transverse Differential Protection diminishes, magnetic flux Φ become
Small, the rotating speed n rises of direct current generator, direct current generator drives door roller quick rotation so as to quick closedown rolling screen door；Although now
Direct current generator torque diminishes, but the door curtain of rolling screen door can decline due to deadweight, and the light load of door roller does not interfere with direct current
The normal work of machine.
Further, the side of the gearbox is provided with limiter, the limiter and gearbox transmission connection, and and controller
Electrical connection.Limiter be used for control rolling screen door open the door and close the door be automatically stopped position.
Further, the transmission mechanism is chain-drive mechanism.Chain-drive mechanism is conventional transmission mechanism, simple in construction,
It will not skid.
The beneficial effects of the utility model are：SRE is normally closed in the Exciting Windings for Transverse Differential Protection of the direct current generator of door roller
Contact, in the normally-closed contact two ends parallel resistance of relay, makes resistance and Exciting Windings for Transverse Differential Protection connect when closing rolling screen door, reduces gas
Gap magnetic flux, so as to improve the rotating speed of door roller, makes rolling door function quick closedown rolling screen door.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of door roller of the present utility model.
Fig. 3 is circuit diagram of the present utility model.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite
Define.
As shown in Figures 1 to 3, embodiment of the present utility model, a kind of energy quick closedown driven by variable speed DC door roller
Rolling screen door, including support 1, reel 2, door curtain guide rail 3, door curtain 4, door roller 5 and transmission mechanism 6；The support 1 is located at door opening
On the wall of top both sides；The two ends of reel 2 and support 1 rotate connection；The door curtain guide rail 3 is divided into door opening both sides；Institute
Door curtain 4 is stated to be wrapped on reel 2 and can slide up and down along door curtain guide rail 3；The door roller 5 is located at the support 1 of the one end of reel 2
On, and connected by transmission mechanism 6 and reel 2；The door roller 5 is by gearbox 7, direct current generator 8, back casing 9 and rear shell cover
10 are connected in sequence；The front end of gearbox 7 is provided with mounting seat 11；Brake gear is provided with the back casing 9（Do not drawn in figure
Go out）And hand chain wheel（It is not drawn into figure）；Controller 12 is provided with the rear shell cover 10；The external direct current of the controller 12
Source；The two ends of the main winding 13 of the direct current generator 8 and controller 12 are electrically connected；It is additionally provided with the rear shell cover 10 with one
The relay 15 and resistance 16 of normally-closed contact 14；The two ends of the coil of relay 15 and controller 12 are electrically connected；The relay
One end connection controller 12 of the normally-closed contact 14 of device, one end of other end connection excitation of direct current generator winding 17, the excitation
The other end connection controller 12 of winding 17；The normally-closed contact 14 of the resistance 16 and relay is in parallel.
When opening rolling screen door, controller 12 disconnects the coil circuit of relay 15, and relay normally-closed contact 14 keeps normally closed；
Controller 12 connects the circuit of direct current generator main winding 13, and connects the circuit of excitation of direct current generator winding 17, is touched because relay is normally closed
Point 14 keeps normally closed, and electric current does not flow through resistance 16, directly flows to Exciting Windings for Transverse Differential Protection 17 through normally-closed contact 14, and direct current generator 8 is rotated
Door roller 5 is driven to rotate, door roller 5 is rotated by transmission mechanism 6 with movable reel 2, reel 2 drives the door being wrapped on reel 2
Curtain 4 carries out door opening action along the upward sliding of door curtain guide rail 3；When closing rolling screen door, controller 12 connects direct current generator main winding 13
Circuit, is also turned on the coil circuit of relay 15, and the coil energized action of relay 15, normally-closed contact 14 disconnects, and controller 12 connects
The logical circuit of excitation of direct current generator winding 17, now the normally-closed contact 14 of relay disconnected, electric current through resistance 16 flow to excitation around
Group 17.According to the rotating speed formula of direct current generator：n=(U-2ΔUs-IaRa)/(CeΦ)（Wherein n is rotating speed, and U is motor side electricity
Pressure, Δ Us is brush pressure drop, and Ia is armature supply, and Ra is that armature winding resistance Ce is constant of the machine, and Φ is motor gas
Gap magnetic flux）, Exciting Windings for Transverse Differential Protection 17 access resistance 16 after, the electric current of Exciting Windings for Transverse Differential Protection 17 diminishes, and magnetic flux Φ diminishes, direct current generator 8 turn
Fast n rises, direct current generator 8 drives the quick rotation of door roller 5 so as to quick closedown rolling screen door；Although the now torque of direct current generator 8
Diminish, but the door curtain 4 of rolling screen door can decline due to deadweight, and the light load of door roller 5 does not interfere with the normal of direct current generator 8
Work.
In the present embodiment, the side of the gearbox 7 is provided with limiter 18, and the limiter 18 and gearbox 7 are connected,
And electrically connected with controller 12.Limiter 18 be used for control rolling screen door open the door and close the door be automatically stopped position.
In the present embodiment, the transmission mechanism 6 is chain-drive mechanism.Chain-drive mechanism is conventional transmission mechanism, structure
Simply, it will not skid.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any change or replacement expected without creative work should all be covered within protection domain of the present utility model.
Therefore, protection domain of the present utility model should be determined by the scope of protection defined in the claims.
Claims (3)
1. a kind of rolling screen door of the energy quick closedown driven by variable speed DC door roller, including support, reel, door curtain guide rail, door
Curtain, door roller and transmission mechanism；The branch is set up in above door opening on the wall of both sides；The reel two ends and holder pivots connect
Connect；The door curtain guide rail is divided into door opening both sides；The door curtain is wrapped on reel and can slided up and down along door curtain guide rail；It is described
Door roller is connected on the support of reel one end, and by transmission mechanism and reel；It is characterized in that：The door roller is by becoming
Fast case, direct current generator, back casing and rear shell cover are connected in sequence；The gearbox front end is provided with mounting seat；The back casing
It is interior to be provided with brake gear and hand chain wheel；Controller is provided with the rear shell cover；The controller external direct current power supply；It is described straight
Flow two ends and the controller electrical connection of the main winding of motor；The relay with a normally-closed contact is additionally provided with the rear shell cover
And resistance；The two ends of the relay coil and controller electrical connection；One end connection control of the normally-closed contact of the relay
Device, the other end connects one end of excitation of direct current generator winding, the other end connection controller of the Exciting Windings for Transverse Differential Protection；The resistance and
The normally-closed contact of relay is in parallel.
2. a kind of rolling screen door of energy quick closedown driven by variable speed DC door roller according to claim 1, its feature
It is：The side of the gearbox is provided with limiter, the limiter and gearbox transmission connection, and is electrically connected with the controller.
3. a kind of rolling screen door of energy quick closedown driven by variable speed DC door roller according to claim 1, its feature
It is：The transmission mechanism is chain-drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087006.6U CN206495622U (en) | 2017-01-23 | 2017-01-23 | A kind of rolling screen door of the energy quick closedown driven by variable speed DC door roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087006.6U CN206495622U (en) | 2017-01-23 | 2017-01-23 | A kind of rolling screen door of the energy quick closedown driven by variable speed DC door roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206495622U true CN206495622U (en) | 2017-09-15 |
Family
ID=59803664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720087006.6U Expired - Fee Related CN206495622U (en) | 2017-01-23 | 2017-01-23 | A kind of rolling screen door of the energy quick closedown driven by variable speed DC door roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206495622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021147578A1 (en) * | 2020-01-21 | 2021-07-29 | 福建安麟智能科技股份有限公司 | Sliding control mode circuit of motor with gravity compensation for fire and smoke curtain |
-
2017
- 2017-01-23 CN CN201720087006.6U patent/CN206495622U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021147578A1 (en) * | 2020-01-21 | 2021-07-29 | 福建安麟智能科技股份有限公司 | Sliding control mode circuit of motor with gravity compensation for fire and smoke curtain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20190123 |