CN202231416U - Electric window-opening device overload protection system - Google Patents
Electric window-opening device overload protection system Download PDFInfo
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- CN202231416U CN202231416U CN2011203810661U CN201120381066U CN202231416U CN 202231416 U CN202231416 U CN 202231416U CN 2011203810661 U CN2011203810661 U CN 2011203810661U CN 201120381066 U CN201120381066 U CN 201120381066U CN 202231416 U CN202231416 U CN 202231416U
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- current
- opening device
- electric window
- drive motors
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- 230000001681 protective effect Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract 3
- 238000009434 installation Methods 0.000 description 4
- 230000036632 reaction speed Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 206010034703 Perseveration Diseases 0.000 description 1
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Abstract
The present utility model relates to the electric window-opening device technical filed, and discloses an electric window-opening device overload protection system. The system comprises a current detection device and controller, a current signal sending end of the current detection device is connected with a current signal receiving end of the controller, a control signal sending end of the controller is connected with a rotating speed control end of a driving motor of an electric window-opening device, the current detection device is used for detecting current of a major loop of the driving motor of the electric window-opening device, and sending current signals indicating current size to the controller, the controller is used for receiving the current signals, and comparing the detected current with a preset current, and if the detected current is larger than the preset current, then the driving motor will be controlled to stop working. The electric window-opening device overload protection system is high in control precision, is safe and reliable, and is simple for installing.
Description
Technical field
The utility model relates to electric window-opening device technical field, relates in particular to a kind of electric window-opening device overload protective device.
Background technology
Traditional window all be accomplish window through artificial push-and-pull unlatching with closed; Exist many inconvenience and limitation; If the forms volume more greatly, heavier; The Position Design that opens and closes higher, far away just possibly caused problems such as inconvenient manual switchings, shows particularly outstanding in places such as high-grade office building, hotel, airport, sports center, large-sized workshops.
In order to solve the manual problem that opens and closes window inconvenience, a lot of buildings bring into use the electric window-opening device to realize the open and close of window.The electric window-opening device generally includes drive motors, transmission mechanism; Transmission mechanism is connected with window; Under the driving of drive motors; Transmission mechanism can be realized the opening and closing of window, this electric window-opening device can realize the forms area more greatly, heavier, the opening and closing of the window that opened and closed positions is higher, far away.
When the electric window-opening device runs to predeterminated position, put in place or close when putting in place like unlatching, must let the electric window-opening device out of service, the easily long-time stall of this drive motors and being burnt out not, thus cause the damage of electric window-opening device.When the electric window-opening device runs to predeterminated position, adopt electric window-opening device overload protective device to control the stop motion of electric window-opening device usually, avoid burning out with the protection drive motors.
In the prior art, electric window-opening device overload protective device commonly used has following several kinds.
First kind, adopt travel switch to detect window and whether move to desired location, if window moves to desired location, then send control signal, the controlling and driving motor quits work.There is following problem in this scheme: travel switch is installed inconvenient, and travel switch energising and transmission signal all need wiring, makes that the structure of window and electric window-opening device is complicated; In addition, form the switch perseveration and damage easily, need the periodic replacement travel switch, use cost is higher.
Second kind, the stroke of timing controlled electric window-opening device, the stroke that opens or closes according to window and the speed of service of electric window-opening device are set time of electric window-opening device operation.There is following problem in this scheme: because different electric window-opening utensils has different strokes; And the electric window-opening device is under different load effects; Its speed has difference, thereby makes that electric window-opening device travel settings is inaccurate, occurs the situation that the window operation is not in place or transship easily; Drive different windows, all need readjust the time, make that the production of electric window-opening device and engineering debug are all comparatively inconvenient.
Therefore, how to provide a kind of control precision high, safe and reliable and easy-to-install electric window-opening device overload protective device, become the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
The purpose of the utility model provides a kind of electric window-opening device overload protective device, high, the safe and reliable and simple installation of this electric window-opening device overload protective device control precision.
To achieve these goals; The utility model provides a kind of electric window-opening device overload protective device; Comprise current sensing means, controller; The current signal of said current sensing means sends end and is connected with the current signal receiving terminal of controller, and the control signal of said controller is sent end and is connected with the rotating speed control end of the drive motors of electric window-opening device; Said current sensing means is used for detecting the electric current of major loop of the drive motors of said electric window-opening device; And to said controller send the expression size of current current signal; Said controller receives said current signal; And detected electric current and predetermined current compared, if the electric current that is detected is then controlled said drive motors and is quit work greater than predetermined current.
Preferably; Said current sensing means is the resistance that is connected in the major loop of said drive motors, and when the electric current in the major loop of drive motors reached preset value, the voltage at said resistance two ends descended; Said controller obtains voltage reduction signal, controls said drive motors and quits work.
Preferably, said current sensing means is a current detector.
Preferably, said current sensing means is a current sensor.
Preferably; Said electric window-opening device is the chain type window opener, and this chain type window opener comprises drive motors, transmission mechanism, and said transmission mechanism comprises gear train, chain and sprocket wheel; The power output shaft of said drive motors is connected with the power input shaft of said gear train; The power output shaft of said gear train is connected with said sprocket wheel, said chain and said sprocket engagement, and an end of this chain links to each other with window.
Preferably, said drive motors is direct current machine or alternating current machine.
The electric window-opening device overload protective device that the utility model provides comprises current sensing means, controller; The current signal of said current sensing means sends end and is connected with the current signal receiving terminal of controller, and the control signal of said controller is sent end and is connected with the rotating speed control end of the drive motors of electric window-opening device; Said current sensing means is used for detecting the electric current of major loop of the drive motors of said electric window-opening device; And to said controller send the expression size of current current signal; Said controller receives said current signal; And detected electric current and predetermined current compared, if the electric current that is detected is then controlled said drive motors and is quit work greater than predetermined current.
When the electric window-opening device moves to desired location; Electric current in the major loop of drive motors can be because the change of the stall of drive motors be big, and the electric window-opening device overload protective device that the utility model provides is through detecting the size of current in the drive motors major loop, when the electric current in the drive motors major loop increases above predetermined current; Explain that the electric window-opening device moves to desired location; The controlling and driving motor quits work, and then control electric window-opening device is out of service, can prevent that drive motors from being burnt out because of long-time stall; Can effectively protect the electric window-opening device, prolong the useful life of electric window-opening device.
The electric window-opening device overload protective device of this structure is safe and reliable, and reaction speed is fast, when the electric window-opening device moves to desired location, can in time control the electric window-opening device and quit work; Only need in the major loop of drive motors, current sensing means to be set, need not increase extra wiring, simple installation, long service life; When driving different windows, need not readjust running time, make that the production of electric window-opening device and engineering debug are all comparatively convenient.
Description of drawings
Fig. 1 is the theory diagram of a kind of embodiment of the electric window-opening device overload protective device that the utility model provided.
Wherein, among Fig. 1:
Current sensing means 1, controller 2, drive motors 3.
Embodiment
The core of the utility model provides a kind of electric window-opening device overload protective device, high, the safe and reliable and simple installation of this electric window-opening device overload protective device control precision.
Please referring to Fig. 1, Fig. 1 is the theory diagram of a kind of embodiment of the electric window-opening device overload protective device that the utility model provided.
As shown in Figure 1; The electric window-opening device overload protective device that the utility model provides comprises current sensing means 1, controller 2; The current signal of said current sensing means 1 sends end and is connected with the current signal receiving terminal of controller 2, and the control signal of said controller 2 is sent end and is connected with the rotating speed control end of the drive motors 3 of electric window-opening device; Said current sensing means 1 is used for detecting the electric current of major loop of the drive motors 3 of said electric window-opening device; And to said controller 2 send the expression size of current current signal; Said controller 2 receives said current signal; And detected electric current and predetermined current compared, if the electric current that is detected is then controlled said drive motors 3 and is quit work greater than predetermined current.
When the electric window-opening device moves to desired location; Electric current in the major loop of drive motors 3 can be because the change of the stall of drive motors 3 be big, and the electric window-opening device overload protective device that the utility model provides is through detecting the size of current in drive motors 3 major loops, when the electric current in drive motors 3 major loops increases above predetermined current; Explain that the electric window-opening device moves to desired location; Controlling and driving motor 3 quits work, and then control electric window-opening device is out of service, can prevent that drive motors 3 from being burnt out because of long-time stall; Can effectively protect the electric window-opening device, prolong the useful life of electric window-opening device; When driving different windows, need not readjust running time, make that the production of electric window-opening device and engineering debug are all comparatively convenient.
The electric window-opening device overload protective device of this structure is safe and reliable, and reaction speed is fast, when the electric window-opening device moves to desired location, can in time control the electric window-opening device and quit work; Only need current sensing means 1 is set in the major loop of drive motors 3, need not increase extra wiring, simple installation, long service life.
In the concrete scheme; Said current sensing means 1 can be the resistance in the major loop that is connected on said drive motors 3; When the electric current in the major loop of drive motors 3 reaches preset value; The voltage at said resistance two ends descends, and said controller 2 obtains voltage reduction signal, controls said drive motors 3 and quits work.This scheme reaction speed is fast, and cost is lower.
In the concrete scheme; Said electric window-opening device can adopt the chain type window opener, and this chain type window opener comprises drive motors 3, transmission mechanism, and said transmission mechanism comprises gear train, chain and sprocket wheel; The power output shaft of said drive motors 3 is connected with the power input shaft of said gear train; The power output shaft of said gear train is connected with said sprocket wheel, said chain and said sprocket engagement, and an end of this chain links to each other with window.
The chain type window opener can guarantee that window stops in any angle in effective promotion scope, can set louver angle as required arbitrarily, and because the characteristics decision of chain transmission itself is more stable to the window transferring power time.
In the concrete scheme, drive motors 3 can adopt direct current machine or alternating current machine, and the utility model does not limit this.
In the foregoing description; The electric window-opening device adopts the chain type window opener; The utility model is not limited thereto; The electric window-opening device can also adopt screw rod type electric window opener, push-down electric window-opening device, all electric window-opening devices that under drive motors 3 drives, can realize the window opening and closing all should protection range at the utility model in.
In the foregoing description; Said current sensing means 1 is the resistance in the major loop that is connected on said drive motors 3; The utility model is not limited thereto; Current sensing means 1 can also be current sensor or current detector, and all devices that can detect size of current in drive motors 3 major loops all should be at the protection range of the utility model.
The above only is the description of the preferred implementation of utility model; Should be pointed out that finiteness, and objectively have unlimited concrete structure owing to literal expression; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.
Claims (6)
1. electric window-opening device overload protective device; It is characterized in that; Comprise current sensing means, controller; The current signal of said current sensing means sends end and is connected with the current signal receiving terminal of controller, and the control signal of said controller is sent end and is connected with the rotating speed control end of the drive motors of electric window-opening device; Said current sensing means is used for detecting the electric current of major loop of the drive motors of said electric window-opening device; And to said controller send the expression size of current current signal; Said controller receives said current signal; And detected electric current and predetermined current compared, if the electric current that is detected is then controlled said drive motors and is quit work greater than predetermined current.
2. electric window-opening device overload protective device according to claim 1; It is characterized in that; Said current sensing means is the resistance that is connected in the major loop of said drive motors, and when the electric current in the major loop of drive motors reached preset value, the voltage at said resistance two ends descended; Said controller obtains voltage reduction signal, controls said drive motors and quits work.
3. electric window-opening device overload protective device according to claim 1 is characterized in that said current sensing means is a current detector.
4. electric window-opening device overload protective device according to claim 1 is characterized in that said current sensing means is a current sensor.
5. according to each described electric window-opening device overload protective device of claim 1-4, it is characterized in that said electric window-opening device is the chain type window opener; This chain type window opener comprises drive motors, transmission mechanism; Said transmission mechanism comprises gear train, chain and sprocket wheel, and the power output shaft of said drive motors is connected with the power input shaft of said gear train, and the power output shaft of said gear train is connected with said sprocket wheel; Said chain and said sprocket engagement, and an end of this chain links to each other with window.
6. electric window-opening device overload protective device according to claim 5 is characterized in that said drive motors is direct current machine or alternating current machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203810661U CN202231416U (en) | 2011-09-29 | 2011-09-29 | Electric window-opening device overload protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203810661U CN202231416U (en) | 2011-09-29 | 2011-09-29 | Electric window-opening device overload protection system |
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| Publication Number | Publication Date |
|---|---|
| CN202231416U true CN202231416U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203810661U Expired - Fee Related CN202231416U (en) | 2011-09-29 | 2011-09-29 | Electric window-opening device overload protection system |
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| Country | Link |
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| CN (1) | CN202231416U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315624A (en) * | 2011-09-29 | 2012-01-11 | 鲁文杰 | Overload protective system for electric window opener |
| CN105379039A (en) * | 2013-07-02 | 2016-03-02 | 波音公司 | Motor control for stability and power supply protection |
-
2011
- 2011-09-29 CN CN2011203810661U patent/CN202231416U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315624A (en) * | 2011-09-29 | 2012-01-11 | 鲁文杰 | Overload protective system for electric window opener |
| CN105379039A (en) * | 2013-07-02 | 2016-03-02 | 波音公司 | Motor control for stability and power supply protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Dongtian Intelligent Door Window Co., Ltd. Assignor: Lu Wenjie Contract record no.: 2012330000586 Denomination of utility model: Overload protective system for electric window opener Granted publication date: 20120523 License type: Exclusive License Record date: 20121226 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO DONGTIAN HARDWARE ACCESSORIES CO., LTD. Free format text: FORMER OWNER: LU WENJIE Effective date: 20150810 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150810 Address after: 315336, No. 1277, development avenue, Gu Tong Street, Ningbo, Zhejiang, Cixi Patentee after: Ningbo East sky Hardware Fittings Co., Ltd. Address before: 315336 new East Village, Cixi Economic Development Zone, Ningbo, Zhejiang, three, Cixi Patentee before: Lu Wenjie |
|
| 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: 20120523 Termination date: 20160929 |