CN211859874U

CN211859874U - Electronic stroke controller

Info

Publication number: CN211859874U
Application number: CN202020776238.4U
Authority: CN
Inventors: 陆磊杰
Original assignee: Ningbo Gerwin Mechanic & Electronics Technology Co ltd
Current assignee: Ningbo Gerwin Mechanic & Electronics Technology Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-11-03
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses an electronic stroke controller, include: the travel control circuit board is integrated with a power supply conversion module, a wireless signal receiving module, a micro-processing module and a driving module; the signal wheel synchronously acts with the rotor of the motor; the first signal sensing element sensing unit and the second signal sensing unit are respectively arranged at two sides of the signal wheel, sense the rotation signal of the signal wheel and send the rotation signal to the micro-processing module; the power supply conversion module is connected with an external power supply to supply power to the stroke control circuit board; the wireless signal receiving module receives a stroke control signal and sends the stroke control signal to the micro-processing module; the micro-processing module processes the motor rotation signal and the stroke control signal and drives the motor to execute corresponding actions through the driving module according to the received signal.

Description

Electronic stroke controller

Technical Field

The utility model relates to a motor control technical field especially relates to a supporting with tubular motor for the electronic stroke controller of automatic control rolling slats door or (window) curtain lift, fall.

Background

Tubular motors have been widely used in recent years as lift drive mechanisms for roller shutters, projection lift screens, window curtains, security roller shutters, sun-shading windows, and the like, and are popular among people due to their simple structure and convenient operation. The lifting height of the tubular motor is adjusted and set along with the requirements of different use occasions so as to meet the requirements of actual use. In the prior art, the stroke controllers of the tubular motor can be generally divided into two types, one type is a mechanical stroke controller, but because the length and the stroke of the door curtain and the curtain of each user are different, the stroke of the mechanical stroke controller used in cooperation with the tubular motor is matched with the stroke controller, namely the stroke height has certain limitation, which is the biggest defect of the mechanical stroke controller; the other is an electronic stroke controller, which is not limited and influenced by the stroke height and has higher precision than a mechanical stroke controller. However, the signal transmission device on the electronic stroke controller adopts more electronic components and complex circuit structure, which results in higher production cost; meanwhile, when the motor is braked, a jitter signal generated by braking interferes with stroke control, and the accuracy of the control is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electron stroke controller for tubular motor, simple structure, electronic component quantity are less, low in manufacturing cost, can carry out accurate control to the stroke of motor, and the dither signal that produces when can also getting rid of the motor brake simultaneously disturbs, further improves the control accuracy to the motor stroke.

In order to achieve the above object, the utility model discloses a technical scheme be: there is provided an electronic stroke controller comprising: the travel control circuit board is integrated with a power supply conversion module, a signal receiving module, a micro-processing module and a driving module;

the signal wheel is arranged on a rotor of the motor and synchronously acts with the rotor;

the first signal sensing element and the second signal sensing element are respectively arranged on two sides of the signal wheel and are used for sensing a rotation signal of the signal wheel and sending the rotation signal to the micro-processing module;

the power supply conversion module is connected with an external power supply, converts the external power supply and is used for supplying power to the signal receiving module and the micro-processing module;

the signal receiving module is connected with a stroke control signal and sends the stroke control signal to the micro-processing module;

the micro-processing module processes the stroke control signal and the rotation signal and drives the motor to act through the driving module.

Through the arrangement, the signal receiving module can receive the stroke control signal and transmits the stroke control signal to the micro-processing module, the micro-processing module controls the motor to operate through the driving module according to the stroke control signal to enable the rotor to rotate, the signal wheel synchronously rotates along with the rotor, the first signal sensing element and the second signal sensing element sense the rotation signal of the signal wheel and transmit the rotation signal to the micro-processing module, and the micro-processing module controls the motor to execute corresponding actions (such as operation to limit stop, limit position adjustment and the like) through the driving module according to the signals transmitted by the two signal sensing elements, so that stroke control is realized.

Furthermore, the signal wheel is including the annular magnetic substance of cover locating on the rotor, the magnetic substance is along with the rotor synchronous rotation, first signal sensing element is including being close to the first hall sensing element of magnetic substance circumference installation, second signal sensing element is including being close to the second hall sensing element of magnetic substance circumference installation, first hall sensing element with second hall sensing element is the subtend installation, first hall sensing element, second hall sensing element respond to respectively the magnetic pole change signal of magnetic substance and transmit for the microprocessor module.

Through the arrangement, the micro-processing module can judge the positive rotation and the negative rotation of the motor according to the magnetic field rotating directions of the two Hall sensing elements sensing magnetic bodies.

Furthermore, the driving module comprises a first relay and a second relay, and the micro-processing module controls the motor to rotate forwards through the first relay and controls the motor to rotate backwards through the second relay.

Through the arrangement, the micro-processing module controls the on-off of the motor through the first relay and the second relay to realize the forward and reverse rotation control of the motor.

Further, the magnetic body is installed at the end of the rotor, the rotor is installed in a rear bearing seat through a rear bearing support, the first hall sensing element and the second hall sensing element are installed in a rear bearing seat cover, and the rear bearing seat cover and the rear bearing seat are installed in a matched mode to enable the first hall sensing element and the second hall sensing element to be arranged on two sides of the circumference of the magnetic body.

Through the arrangement, the arrangement and installation of the two Hall sensing elements are realized.

Furthermore, the stroke control circuit board is arranged in the circuit board fixing frame and is connected with the first signal sensing element and the second signal sensing element through signal leads.

Through the arrangement, the connection between the stroke control circuit board and the two signal induction elements is realized.

Furthermore, the power conversion module comprises an input power interface and an AC/DC power conversion circuit, the input power interface is connected with an external power supply, the external power supply is an alternating current power supply, and the AC/DC power conversion circuit converts the external power supply into a direct current power supply and supplies power to the signal receiving module and the micro-processing module.

Through the arrangement, the conversion of an external power supply is realized, and the power is supplied to the signal receiving module and the micro-processing module.

Further, the micro-processing module comprises a single chip microcomputer.

Further, the signal receiving module receives the wireless control signal through an external remote controller.

Through the arrangement, the stroke of the motor can be controlled by utilizing an external wireless remote controller.

Further, the stroke control signal includes: a forward rotation signal, a stop signal, a reverse rotation signal, a set signal.

Through the arrangement, the forward and reverse rotation of the motor is controlled, and further stroke control is realized.

The utility model has the advantages that: because the two induction elements are adopted to monitor the rotating speed data of the motor, the stroke control circuit board can judge the positive and negative rotation of the motor by transmitting detection signals to the two induction elements in sequence on the premise of ensuring that the detected rotating data of the motor is more accurate, thereby improving the accurate control of the stroke of the motor; meanwhile, for the jitter signals generated when the motor brakes, the stroke control circuit board can analyze and judge according to the positive and negative rotation of the motor, the interference of the jitter signals is eliminated, and the accurate control of the motor stroke is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1, an embodiment of the present invention includes:

an electronic stroke controller comprising: the magnetic body 06, the first Hall sensing element 08, the second Hall sensing element 09 and the stroke control circuit board 01, wherein the stroke control circuit board 01 is integrated with a power conversion module, a wireless signal receiving module, a single chip microcomputer, a first relay and a second relay.

The magnetic body 06 is annular, is sleeved on the motor rotor 07 and synchronously acts with the rotor 07, and the power conversion module comprises an input power interface and an AC/DC power conversion circuit, wherein the input power interface is connected with an external power supply through a power cord 03, and the AC/DC power conversion circuit converts the external power supply and supplies power to the stroke control circuit board 01.

The magnetic body 06 is mounted at the end of the rotor 07, the rotor 07 is mounted in the rear bearing seat 10 through the rear bearing 12, the first hall sensing element 08 and the second hall sensing element 09 are mounted in the rear bearing seat cover 11, the rear bearing seat cover 11 and the rear bearing seat 10 are mounted in a matching manner, so that the first hall sensing element 08 and the second hall sensing element 09 are arranged at two sides of the circumference of the magnetic body 06, and the first hall sensing element 08 and the second hall sensing element 09 are arranged in an opposite manner.

The first Hall sensing element 08 and the second Hall sensing element 09 are connected with the signal receiving module through a signal lead 04, the first Hall sensing element 08 and the second Hall sensing element 09 output a rotating speed signal of the motor by sensing the change of the magnetic pole of the magnetic body 06 and send the rotating speed signal to the single chip microcomputer, and the single chip microcomputer can judge the positive rotation and the negative rotation of the motor according to the rotating directions of magnetic fields sensed by the two Hall sensing elements; the wireless signal receiving module receives a wireless stroke control signal transmitted by an external remote controller and transmits the wireless stroke control signal to the single chip microcomputer, the single chip microcomputer processes rotation signals transmitted by the two Hall sensing elements to obtain stroke control parameters and determine the stroke limit of the motor, and the motor is further controlled to rotate forwards through the first relay or rotate backwards through the second relay according to the stroke control signal, so that the operation control of the motor is realized.

The working principle of the embodiment is as follows: the client can send a stroke control signal to the wireless signal receiving module through an external remote controller as required, and the singlechip processes the stroke control signal to obtain a stroke control parameter; after the motor is electrified, the magnetic pole change of the magnetic body 06 is sensed by the first Hall sensing element 08 and the second Hall sensing element 09 and is sent to the single chip microcomputer through the signal lead 04, the single chip microcomputer can judge whether the motor is in forward or reverse rotation through the rotation direction of the detection magnetic field transmitted by the two Hall sensing elements, the single chip microcomputer controls the motor to rotate forward through the first relay or controls the motor to rotate reversely through the second relay according to the stroke control parameters, after the preset stroke is reached, the motor is controlled to stop running through the first relay or the second relay, and the preset stroke control is realized. Meanwhile, after the micro-processing module sends a stop signal due to the operation of a motor load, the motor can shake due to inertia when the motor stops, the shake comes from the fact that the motor runs too much due to untimely braking or inflexible braking, the two Hall sensing elements sense the running times of the magnetic body 06 which is too much and send the running times to the single chip microcomputer, and the single chip microcomputer records the signal and adjusts the signal when the motor runs next time, so that the accuracy of stroke control is further improved.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An electronic stroke controller, comprising: the travel control circuit board is integrated with a power supply conversion module, a signal receiving module, a micro-processing module and a driving module;

the signal receiving module receives a stroke control signal and sends the stroke control signal to the micro-processing module;

the micro-processing module processes the rotation signal and the stroke control signal and drives the motor to act through the driving module.

2. The electronic stroke controller according to claim 1, wherein the signal wheel includes an annular magnetic body sleeved on the rotor, the magnetic body rotates synchronously with the rotor, the first signal sensing element includes a first hall sensing element mounted near the circumference of the magnetic body, the second signal sensing element includes a second hall sensing element mounted near the circumference of the magnetic body, the first hall sensing element and the second hall sensing element are mounted in opposite directions, and the first hall sensing element and the second hall sensing element respectively sense a magnetic pole change signal of the magnetic body and transmit the magnetic pole change signal to the microprocessor module.

3. The electronic stroke controller as claimed in claim 1, wherein the driving module comprises a first relay and a second relay, and the microprocessor module controls the motor to rotate forward through the first relay and controls the motor to rotate backward through the second relay.

4. The electronic stroke controller according to claim 2, wherein the magnetic body is mounted at an end of the rotor, the rotor is mounted in a rear bearing seat through a rear bearing support, the first hall sensor element and the second hall sensor element are mounted in a rear bearing seat cover, and the rear bearing seat cover is mounted in cooperation with the rear bearing seat so that the first hall sensor element and the second hall sensor element are disposed at two sides of a circumference of the magnetic body.

5. The electronic stroke controller according to claim 1, wherein the stroke control circuit board is mounted in the circuit board holder and connected to the first signal sensing element and the second signal sensing element through signal leads.

6. The electronic stroke controller according to claim 1, wherein the power conversion module comprises an input power interface and an AC/DC power conversion circuit, the input power interface is connected to an external power source, the external power source is an AC power source, and the AC/DC power conversion circuit converts the external power source into a DC power source and supplies power to the signal receiving module and the microprocessor module.

7. The electronic stroke controller of claim 1 wherein the microprocessor module comprises a single chip microcomputer.

8. The electronic stroke controller as claimed in claim 1, wherein the signal receiving module receives the wireless control signal through an external remote controller.

9. The electronic stroke controller of claim 1, wherein the stroke control signal comprises: a forward rotation signal, a stop signal, a reverse rotation signal, a set signal.