CN215934983U

CN215934983U - Multifunctional optical lens control device

Info

Publication number: CN215934983U
Application number: CN202121576650.2U
Authority: CN
Inventors: 林德银; 马正雷
Original assignee: Shanghai Yingjue Technology Co ltd
Current assignee: Shanghai Yingjue Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-03-01
Anticipated expiration: 2031-07-12

Abstract

The utility model provides a multifunctional optical lens control device, comprising: the system comprises an MCU, an A/D converter, an upper computer, a motor driving chip, a relay and a holder, wherein the upper computer is connected with the MCU through a serial port; a first output end of the MCU is connected with the plurality of motor driving chips; the second output end of the MCU is connected with the holder; the third output end of the MCU is connected with a plurality of relays; the output end of the A/D converter is connected with the first input end of the MCU; the MCU is of the model STM32F 407. The utility model can adapt to the control of the multifunctional lens.

Description

Multifunctional optical lens control device

Technical Field

The present invention relates to the field of optical lens technologies, and in particular, to a multifunctional optical lens control device.

Background

The traditional lens controller can only control a focusing motor, a zooming motor and a diaphragm motor of the lens, the control of the three motors can realize the adjustment of the distance and the definition of the imaging of the lens, and simultaneously, the light entering amount of the lens is controlled, so that the picture is not too bright or too dark, but the traditional lens controller has single function. With the development of optical lenses and the rapid advance of the chip semiconductor industry, the control modes of various zoom lenses become diverse, the performance and operation requirements of people on lens control become continuously improved, and the existing lens controller cannot meet the requirements of people on optical control.

Through a search, patent document CN107102419A discloses a lens control device and a lens control method, in the lens control method of the lens control device, the lens control device includes: a stepping motor for moving the lens in the optical axis direction; a position detection unit that detects a signal corresponding to a position in an optical axis direction of the lens; and a storage unit which stores data on a relationship between a target rotational position of the stepping motor and a detection position of the position detection unit in advance, wherein a provisional target rotational position is specified from a target detection position corresponding to the detection position of the position detection unit corresponding to the input target information (S11), a target rotational position corresponding to the target detection position is searched for within a predetermined rotational position range from the provisional target rotational position based on the data stored in the storage unit (S13 to S21), and the target rotational position of the stepping motor is indicated from the searched target rotational position (S23). The prior art has the disadvantage that the prior art cannot adapt to the control of the multifunctional lens.

Therefore, it is necessary to develop a device capable of adapting to the control of the multifunctional lens.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the present invention provides a multifunctional optical lens control device.

According to the present invention, there is provided a multifunctional optical lens control apparatus comprising: the system comprises an MCU, an A/D converter, an upper computer, a motor driving chip, a relay and a holder, wherein the upper computer is connected with the MCU through a serial port; a first output end of the MCU is connected with the plurality of motor driving chips; the second output end of the MCU is connected with the holder; the third output end of the MCU is connected with a plurality of relays; the output end of the A/D converter is connected with the first input end of the MCU; the MCU is of the model STM32F 407.

Preferably, still include temperature and humidity sensor, temperature and humidity sensor's output is connected with MCU's second input.

Preferably, the electric vehicle further comprises a windshield wiper and a fan, wherein the relay comprises a first relay and a second relay; the windshield wiper is connected with the MCU through a first relay; the fan is connected with the MCU through a second relay.

Preferably, the device further comprises a color/fog penetration controller, the relay further comprises a third relay, and the color/fog penetration controller is connected with the MCU through the third relay.

Preferably, the automatic focusing control device further comprises an automatic focusing controller, the relay further comprises a fourth relay, and the automatic focusing controller is connected with the MCU through the fourth relay.

Preferably, the device further comprises a focusing motor and a zooming motor, and the output end of the motor driving chip is respectively connected with the focusing motor and the zooming motor.

Preferably, the motor driving chip comprises a focusing motor driving chip and a zooming motor driving chip, the focusing motor driving chip is connected with the focusing motor, and the zooming motor driving chip is connected with the zooming motor.

Preferably, a focusing potentiometer and a zooming potentiometer are also included; the zooming potentiometer is arranged on a connecting circuit of the zooming motor and the second input end of the A/D converter; the focusing potentiometer is arranged on a connecting line of the focusing motor and the first input end of the A/D converter.

Preferably, the system further comprises a network camera, and the network camera is connected with the MCU.

Preferably, the connection is a signal line connection, a wireless connection or a PCB wiring connection.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model can realize the control of the focusing motor and the zooming motor of the lens through the signal connection of the A/D converter and the focusing motor and the zooming motor.

2. The utility model can realize the control of the color/fog penetration controller and the automatic focusing controller by triggering the color/fog penetration controller and the automatic focusing controller of the lens through the relay.

3. The utility model can control the fan and the windshield wiper related to the lens through the connection of the relay and the MCU.

4. The utility model is suitable for various types of network cameras and has the characteristics of simple operation and convenient use.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic diagram of an overall structure of a multifunctional optical lens control device according to the present invention.

In the figure:

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.

As shown in fig. 1, the present invention provides a multifunctional optical lens control apparatus, comprising: the device comprises an MCU1, a temperature and humidity sensor 2, a focusing motor driving chip 3, a focusing motor 4, a focusing potentiometer 5, a zooming motor driving chip 6, a zooming motor 7, a zooming potentiometer 8, an A/D converter 9, a first relay 10, a wiper 11, a second relay 12, a fan 13, an upper computer 14, a network camera 15, a third relay 16, a fourth relay 17, a color/fog penetration controller 18, an automatic focusing controller 19 and a cloud deck 20.

Wherein, the upper computer 14 is connected with the MCU1 through a serial port; a first output end of the MCU1 is connected with the plurality of motor driving chips; a second output end of the MCU1 is connected with the pan-tilt 20; a third output end of the MCU1 is connected with a plurality of relays; the output end of the A/D converter 9 is connected with the first input end of the MCU 1; the MCU1 is model STM32F 407.

The output end of the temperature and humidity sensor 2 is connected with the second input end of the MCU 1. The windshield wiper 11 is connected with the MCU1 through a first relay 10; the fan 13 is connected to the MCU1 through a second relay 12. The color/fog-transparent controller 18 is connected to the MCU1 through a third relay 16. The autofocus controller 19 is connected to the MCU1 through the fourth relay 17. The output end of the motor driving chip is respectively connected with the focusing motor 4 and the zooming motor 7.

The focusing motor driving chip 3 is connected with the focusing motor 4, and the zooming motor driving chip 6 is connected with the zooming motor 7. The zooming potentiometer 8 is arranged on a connecting line of the zooming motor 7 and the second input end of the A/D converter 9; the focus potentiometer 5 is arranged on a connection line between the focus motor 4 and a first input of the a/D converter 9. The network camera 15 is connected to the MCU 1.

According to the utility modelVariation exampleFor further explanation.

Based on the above embodiments, the connection in the present invention can be signal line connection, wireless connection or PCB wiring connection.

Based on above-mentioned utility model's hardware equipment carries out further software development and can realize following work flow:

the working process is as follows:

the upper computer 14 sends a serial port instruction to the lens control panel, the lens control panel sends focusing and zooming instructions to the focusing motor drive chip 3 and the zooming motor drive chip 6, the focusing motor drive chip 3 drives the focusing motor 4 to rotate, the zooming motor drive chip 6 drives the zooming motor 7 to rotate, so that the focusing potentiometer 5 and the zooming potentiometer 8 rotate, the resistance values of the focusing potentiometer 5 and the zooming potentiometer 8 are changed to cause the output voltages of the two potentiometers to change, the A/D converter 9 performs sampling, and the MCU1 converts the collected analog quantity into a digital quantity and sends the digital quantity to the upper computer 14 through a 422 serial port; when the lens is matched with the network camera 15, the MCU1 can perform protocol conversion on a received zooming and focusing instruction of the upper computer 14, the MCU1 sends the converted instruction to the network camera 15 through a 232 serial port, drives the lens to perform zooming and focusing operations, simultaneously queries a focusing position and a zooming position value of the lens of the network camera at an interval of 300ms without stopping, sends the focusing position and the zooming position value to a lens control panel through a 485 serial port, the lens control panel converts the state instruction into a pelco-d protocol after receiving the state instruction, and returns the PELCo-d protocol to the upper computer 14 through a 422 serial port, and the specific process is as follows: the upper computer 14 sends a focusing and zooming instruction to the lens control board, the MCU1 performs protocol conversion, the network camera 15 controls the focusing motor 4 and the zooming motor 7 to rotate, the network camera 15 returns a focusing and zooming position value, and the MCU1 performs protocol conversion and sends the focusing and zooming instruction to the upper computer 14 through a 422 serial port. When the upper computer 14 sends a control instruction of the fan 13, the MCU1 realizes the on-off of the output of the relay by controlling the IO high and low levels after receiving the instruction, so as to realize the power supply and the power off of the fan. When the upper computer 14 sends a control instruction of the windshield wiper 11, the MCU1 realizes the on-off of the output of the relay by controlling the IO high and low levels after receiving the instruction, so as to realize the power supply and the power off of the drive motor of the windshield wiper; when the lens control panel receives a switching instruction of the color/fog-transparent controller 18 sent by the upper computer 14, the MCU1 sends a switching control quantity to the relay through the I/O, and the output open circuit and the access of the relay are realized through the switching control quantity, so that the color and fog-transparent switching of the lens is realized; when the lens control panel receives an automatic focusing triggering instruction sent by the upper computer 14, the MCU1 sends a switching control quantity to the relay through the I/O, and the output path and the open circuit of the relay are realized through the switching control quantity, so that the automatic focusing triggering of the lens is realized.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A multifunction optical lens control device, comprising: MCU (1), A/D converter (9), upper computer (14), motor driving chip, relay and pan-tilt (20),

the upper computer (14) is connected with the MCU (1) through a serial port;

a first output end of the MCU (1) is connected with the plurality of motor driving chips;

the second output end of the MCU (1) is connected with the holder (20);

a third output end of the MCU (1) is connected with a plurality of relays;

the output end of the A/D converter (9) is connected with the first input end of the MCU (1);

the model of the MCU (1) is STM32F 407.

2. The multifunctional optical lens control device according to claim 1, further comprising a temperature and humidity sensor (2), wherein an output end of the temperature and humidity sensor (2) is connected to a second input end of the MCU (1).

3. The multifunction optical lens control device according to claim 1, further comprising a wiper (11) and a fan (13), the relay including a first relay (10) and a second relay (12);

the windshield wiper (11) is connected with the MCU (1) through the first relay (10);

the fan (13) is connected with the MCU (1) through the second relay (12).

4. The multifunctional optical lens control device according to claim 1, further comprising a color/fog-transparent controller (18), the relay further comprising a third relay (16), the color/fog-transparent controller (18) being connected with the MCU (1) through the third relay (16).

5. The multifunctional optical lens control device according to claim 1, further comprising an auto-focus controller (19), the relay further comprising a fourth relay (17), the auto-focus controller (19) being connected to the MCU (1) through the fourth relay (17).

6. The multifunctional optical lens control device according to claim 1, further comprising a focusing motor (4) and a zooming motor (7), wherein the output terminals of the motor driving chip are respectively connected with the focusing motor (4) and the zooming motor (7).

7. The multifunctional optical lens control device according to claim 6, wherein the motor driving chip comprises a focusing motor driving chip (3) and a zooming motor driving chip (6), the focusing motor driving chip (3) is connected with the focusing motor (4), and the zooming motor driving chip (6) is connected with the zooming motor (7).

8. A multifunctional optical lens control device according to claim 6, characterized by further comprising a focus potentiometer (5) and a zoom potentiometer (8);

the zooming potentiometer (8) is arranged on a connecting line between the zooming motor (7) and the second input end of the A/D converter (9);

the focusing potentiometer (5) is arranged on a connecting line between the focusing motor (4) and the first input end of the A/D converter (9).

9. A multifunctional optical lens control device according to claim 6, characterized by further comprising a web camera (15), said web camera (15) being connected to said MCU (1).