CN210888749U - Rolling slats door meets and hinders protection device that prevents pressing from both sides - Google Patents
Rolling slats door meets and hinders protection device that prevents pressing from both sides Download PDFInfo
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- CN210888749U CN210888749U CN201921525227.2U CN201921525227U CN210888749U CN 210888749 U CN210888749 U CN 210888749U CN 201921525227 U CN201921525227 U CN 201921525227U CN 210888749 U CN210888749 U CN 210888749U
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Abstract
The utility model discloses a rolling door resistance-encountering anti-pinch protection device, which comprises a control module, a voltage acquisition circuit, a current acquisition circuit and an electric quantity metering module, wherein the input ends of the voltage acquisition circuit and the current acquisition circuit are respectively connected with a rolling door motor to acquire motor voltage and motor current, and the output ends are respectively connected with the input end of the electric quantity metering module to send the motor voltage and the motor current; the output end of the electric quantity metering module is connected with the input end of the control module; the output end of the control module is connected with the motor in a control mode; when the electric quantity metering chip detects that the voltage and current changes of the motor exceed certain threshold values, the electric quantity metering chip sends a resistance meeting signal to the control module, and the control module controls the motor to stop or reverse to control the roller shutter door to stop or rebound. The utility model has the advantages of simple structure, low cost, easy popularization and improved safety, etc.
Description
Technical Field
The utility model relates to a rolling slats door meets and hinders protection device that prevents pressing from both sides.
Background
The roller shutter door is suitable for places such as commercial stores, garages or shopping malls, and is convenient and quick to use; the roller shutter door usually drives a roller shutter central shaft to rotate through a motor so as to lift the roller shutter, and the roller shutter door can automatically stop when the roller shutter door rotates to the top or bottom limit set by the motor; however, in actual use, when the roller shutter descends, the bottom of the roller shutter is easily obstructed, for example, the roller shutter is obstructed by a car, so that the bottom of the roller shutter is supported, and at this time, if the motor continues to rotate, the roller shutter is easily distorted, and an object which is obstructed by the roller shutter is seriously crushed, etc.
The existing rolling door obstruction-encountering protection device adopts an infrared sensor and an intelligent control system to carry out obstruction-encountering protection, and stops the rolling door from descending when the sensor detects an obstruction.
In addition, the mechanical motor can only realize stopping when being mechanically stopped and then is matched with a remote controller rebounding when being stopped, and double protection of mechanical protection and electronic protection can be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a rolling slats door meets and hinders protection device that prevents pressing from both sides.
The utility model provides a technical scheme that its technical problem adopted is:
an anti-pinch protection device for a roller shutter door when meeting a resistance comprises a control module, a voltage acquisition circuit, a current acquisition circuit and an electric quantity metering module, wherein the input ends of the voltage acquisition circuit and the current acquisition circuit are respectively connected with a roller shutter door motor to acquire motor voltage and motor current, and the output ends of the voltage acquisition circuit and the current acquisition circuit are respectively connected with the input end of the electric quantity metering module to send the motor voltage and the motor current; the output end of the electric quantity metering module is connected with the input end of the control module; the output end of the control module is connected with the motor in a control mode; when the electric quantity metering chip detects that the voltage and current changes of the motor exceed certain threshold values, the electric quantity metering chip sends a resistance meeting signal to the control module, and the control module controls the motor to stop or reverse to control the roller shutter door to stop or rebound.
In another preferred embodiment, the system further comprises a remote controller, and the remote controller can be connected with the control module through wireless signals.
In another preferred embodiment, the control module is a WiFi remote control chip or the control module is further provided with a WiFi module.
In another preferred embodiment, the WiFi remote control chip or the WiFi module may also be wirelessly connected to an external smart device.
In another preferred embodiment, the voltage acquisition circuit and the current acquisition circuit respectively acquire voltage and current through a mutual inductor.
The utility model has the advantages that:
1. whether motor voltage and motor current are abnormal is detected through the electric quantity metering module, the rolling door is controlled to stop descending or rebound to ascend through the control module when the motor voltage and the motor current are abnormal, and the rolling door control device has the advantages of being simple in structure, low in cost, beneficial to popularization, capable of improving safety and the like.
2. The control module adopts a WiFi remote control chip to control the movement of the roller shutter door through a remote controller or external intelligent equipment.
3. The voltage and current can be collected by arranging the mutual inductor, and the mutual inductor is low in cost and beneficial to popularization.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the anti-pinch protection device for the roller shutter door when meeting a resistance is not limited to the embodiment.
Drawings
Fig. 1 is a schematic circuit diagram of a preferred embodiment of the present invention.
Detailed Description
In an embodiment, as shown in fig. 1, the anti-pinch protection device for a roller shutter door in a resistance meeting state of the present invention includes a WiFi remote control chip U4, a voltage acquisition circuit 10, a current acquisition circuit 20, an electric quantity metering module U13, a remote controller and an intelligent device, wherein the input ends of the voltage acquisition circuit 10 and the current acquisition circuit 20 are respectively connected to a motor of the roller shutter door to acquire motor voltage and motor current, and the output ends are respectively connected to the input end of the electric quantity metering module U13 to send the motor voltage and motor current; the electric quantity metering module U13 adopts a high-precision single-phase metering chip RN8209C, so that the reliability is ensured; the output end of the electric quantity metering module U13 is connected with the input end of the WiFi remote control chip U4; the output end of the WiFi remote control chip U4 is connected with the motor in a control mode; when the roller shutter door encounters resistance, the motor voltage and the motor current can change, when the electric quantity metering module U13 detects that the change of the motor voltage and the motor current exceeds a certain threshold value, the electric quantity metering module U13 sends a resistance encountering signal to the WiFi remote control chip U4, and the WiFi remote control chip U4 controls the motor to stop or reverse to control the roller shutter door to stop or rebound.
The remote controller and the intelligent device can be wirelessly connected with the WiFi remote control chip U4 to control the movement of the roller shutter door. The embodiment can be compatible with 600 kg to 800kg roller shutter doors on the market, and the compatibility is strong.
The above-mentioned embodiment only is used for further explaining the utility model discloses a rolling slats door meets and hinders and prevent pressing from both sides protection device, nevertheless the utility model discloses not confine the embodiment to, all be according to the utility model discloses a technical entity all falls into the protection scope of the utility model discloses any simple modification, the equivalent change and the decoration of making to above embodiment.
Claims (5)
1. The utility model provides a rolling slats door meets and hinders protection device that prevents pressing from both sides which characterized in that: the electric quantity metering device comprises a control module, a voltage acquisition circuit, a current acquisition circuit and an electric quantity metering module, wherein the input ends of the voltage acquisition circuit and the current acquisition circuit are respectively connected with a roller shutter door motor to acquire motor voltage and motor current, and the output ends of the voltage acquisition circuit and the current acquisition circuit are respectively connected with the input end of the electric quantity metering module to send the motor voltage and the motor current; the output end of the electric quantity metering module is connected with the input end of the control module; the output end of the control module is connected with the motor in a control mode; when the electric quantity metering chip detects that the voltage and current changes of the motor exceed certain threshold values, the electric quantity metering chip sends a resistance meeting signal to the control module, and the control module controls the motor to stop or reverse to control the roller shutter door to stop or rebound.
2. The rolling door blockage anti-pinch protection device as claimed in claim 1, wherein: the remote controller can be connected with the control module through wireless signals.
3. The rolling door blockage anti-pinch protection device as claimed in claim 1, wherein: the control module is a WiFi remote control chip or the control module is also provided with a WiFi module.
4. The rolling door blockage anti-pinch protection device as claimed in claim 3, wherein: the WiFi remote control chip or the WiFi module can also be wirelessly connected with external intelligent equipment.
5. The rolling door blockage anti-pinch protection device as claimed in claim 1, wherein: and the voltage acquisition circuit and the current acquisition circuit respectively acquire voltage and current through the mutual inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525227.2U CN210888749U (en) | 2019-09-12 | 2019-09-12 | Rolling slats door meets and hinders protection device that prevents pressing from both sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525227.2U CN210888749U (en) | 2019-09-12 | 2019-09-12 | Rolling slats door meets and hinders protection device that prevents pressing from both sides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210888749U true CN210888749U (en) | 2020-06-30 |
Family
ID=71312299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921525227.2U Active CN210888749U (en) | 2019-09-12 | 2019-09-12 | Rolling slats door meets and hinders protection device that prevents pressing from both sides |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210888749U (en) |
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2019
- 2019-09-12 CN CN201921525227.2U patent/CN210888749U/en active Active
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