CN102315624A - Overload protective system for electric window opener - Google Patents
Overload protective system for electric window opener Download PDFInfo
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- CN102315624A CN102315624A CN201110303336A CN201110303336A CN102315624A CN 102315624 A CN102315624 A CN 102315624A CN 201110303336 A CN201110303336 A CN 201110303336A CN 201110303336 A CN201110303336 A CN 201110303336A CN 102315624 A CN102315624 A CN 102315624A
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- 238000009434 installation Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract 3
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Abstract
The invention relates to the technical field of an electric window opener, which discloses an overload protective system for the electric window opener. The overload protective system comprises a current detection device and a controller, wherein a current signal transmitting end of the current detection device is connected with a current signal receiving end of the controller; a control signal transmitting end of the controller is connected with a rotating speed control end of a driving motor of the electric window opener; the current detection device is used for detecting current in a main circuit of the driving motor for the electric window opener and transmitting a current signal for expressing the magnitude of the current to the controller; and the controller is used for receiving the current signal and comparing the detected current with preset current, and if the detected current is greater than the preset current, the driving motor is controlled to stop working. The overload protective system for the electric window opener has the advantages of high control precision, safety, reliability and simpleness and convenience in installation.
Description
Technical field
The present invention relates to electric window-opening device technical field, relate 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.
Summary of the invention
The purpose of this invention is to provide 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 invention 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.
Electric window-opening device overload protective device provided by the invention 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 electric window-opening device overload protective device provided by the invention 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 electric window-opening device overload protective device provided by the present invention.
Wherein, among Fig. 1:
Current sensing means 1, controller 2, drive motors 3.
Embodiment
Core of the present invention 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 electric window-opening device overload protective device provided by the present invention.
As shown in Figure 1; Electric window-opening device overload protective device provided by the invention 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 electric window-opening device overload protective device provided by the invention 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 present invention does not limit this.
In the foregoing description; The electric window-opening device adopts the chain type window opener; The present invention is not limited thereto; The electric window-opening device can also adopt screw rod type electric window opener, push-down electric window-opening device, allly under drive motors 3 drives, can realize that the electric window-opening device of window opening and closing all should be in protection scope of the present invention.
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 present invention 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 in protection scope of the present invention.
The above only is the description of the preferred implementation of invention; 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 principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
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 |
|---|---|---|---|
| CN201110303336A CN102315624A (en) | 2011-09-29 | 2011-09-29 | Overload protective system for electric window opener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110303336A CN102315624A (en) | 2011-09-29 | 2011-09-29 | Overload protective system for electric window opener |
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| CN102315624A true CN102315624A (en) | 2012-01-11 |
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| CN201110303336A Pending CN102315624A (en) | 2011-09-29 | 2011-09-29 | Overload protective system for electric window opener |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904954A (en) * | 2012-12-29 | 2014-07-02 | 北京同步科技有限公司 | Motor control system of remote network control and control method thereof |
| CN108635094A (en) * | 2018-05-10 | 2018-10-12 | 卢乐 | A kind of electric human body lumbar vertebrae rectifier |
| CN108646086A (en) * | 2018-07-11 | 2018-10-12 | 盖泽工业（天津）有限公司 | A kind of window opener gamut current detection circuit for multi-load |
| CN109702871A (en) * | 2019-02-22 | 2019-05-03 | 叶传俊 | Automatically controlled celadon glazing fixture and its control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007143265A (en) * | 2005-11-17 | 2007-06-07 | Matsushita Electric Ind Co Ltd | Motor driving device |
| CN200996242Y (en) * | 2007-01-25 | 2007-12-26 | 华续科技有限公司 | Electric window |
| CN201176778Y (en) * | 2008-04-17 | 2009-01-07 | 鲁文杰 | Chain type electric window opener |
| CN201437669U (en) * | 2009-06-19 | 2010-04-14 | 易控通有限公司 | Intelligent control window opening and closing device |
| CN202231416U (en) * | 2011-09-29 | 2012-05-23 | 鲁文杰 | Electric window-opening device overload protection system |
-
2011
- 2011-09-29 CN CN201110303336A patent/CN102315624A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007143265A (en) * | 2005-11-17 | 2007-06-07 | Matsushita Electric Ind Co Ltd | Motor driving device |
| CN200996242Y (en) * | 2007-01-25 | 2007-12-26 | 华续科技有限公司 | Electric window |
| CN201176778Y (en) * | 2008-04-17 | 2009-01-07 | 鲁文杰 | Chain type electric window opener |
| CN201437669U (en) * | 2009-06-19 | 2010-04-14 | 易控通有限公司 | Intelligent control window opening and closing device |
| CN202231416U (en) * | 2011-09-29 | 2012-05-23 | 鲁文杰 | Electric window-opening device overload protection system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904954A (en) * | 2012-12-29 | 2014-07-02 | 北京同步科技有限公司 | Motor control system of remote network control and control method thereof |
| CN103904954B (en) * | 2012-12-29 | 2016-08-10 | 北京同步科技有限公司 | The motor control system of a kind of long-range network control and control method thereof |
| CN108635094A (en) * | 2018-05-10 | 2018-10-12 | 卢乐 | A kind of electric human body lumbar vertebrae rectifier |
| CN108646086A (en) * | 2018-07-11 | 2018-10-12 | 盖泽工业（天津）有限公司 | A kind of window opener gamut current detection circuit for multi-load |
| CN109702871A (en) * | 2019-02-22 | 2019-05-03 | 叶传俊 | Automatically controlled celadon glazing fixture and its control method |
| CN109702871B (en) * | 2019-02-22 | 2020-05-05 | 叶传俊 | Electric control celadon glazing clamp and control method thereof |
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| C06 | Publication | ||
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| ASS | Succession or assignment of patent right |
Owner name: NINGBO DONGTIAN MACHINE SCIENCE AND TECHNOLOGY CO. Free format text: FORMER OWNER: LU WENJIE Effective date: 20130225 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130225 Address after: Cixi City, Zhejiang province 315336 city of Ningbo Hangzhou bay new Jin CI Lu No. 188 Applicant after: Ningbo Dongtian Intelligent Door Window Co., Ltd. Address before: 315336 new East Village, Cixi Economic Development Zone, Ningbo, Zhejiang, three, Cixi Applicant before: Lu Wenjie |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120111 |