CN219533578U - Automatic focusing high definition analog camera control device - Google Patents
Automatic focusing high definition analog camera control device Download PDFInfo
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- CN219533578U CN219533578U CN202223578085.0U CN202223578085U CN219533578U CN 219533578 U CN219533578 U CN 219533578U CN 202223578085 U CN202223578085 U CN 202223578085U CN 219533578 U CN219533578 U CN 219533578U
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Abstract
The utility model relates to the technical field of camera equipment, in particular to an automatic focusing high-definition analog camera control device. The device comprises a camera lens, a zoom motor for driving the camera lens to rotate to adjust the multiple, a focusing motor for driving the camera lens to rotate to adjust focusing, a photoelectric conversion plate and a focusing control board, wherein the zoom motor and the focusing motor are both connected to the camera lens, the photoelectric conversion plate is arranged at the bottom of the camera lens, an MCU control circuit and an ISP circuit are arranged on the focusing control board, the photoelectric conversion plate is connected with the ISP circuit, the ISP circuit is connected with the MCU control circuit, the MCU control circuit is respectively connected with the zoom motor and the focusing motor, and the MCU control circuit acquires focusing value signals of the ISP circuit and respectively controls the zoom motor and the focusing motor to rotate. The automatic zoom and focusing functions of the device are realized, the focal length of the lens is not adjusted by people to the place where the camera is installed, so that the best effect of the camera image can be achieved, and the use scene of the camera is wider.
Description
Technical Field
The utility model relates to the technical field of camera equipment, in particular to an automatic focusing high-definition analog camera control device.
Background
In the prior art, many cameras manually adjust the focal length of a lens, namely VF (variable focus), manual focusing has high requirements on skills of people, if the adjustment is not good, the image effect of the camera cannot reach the best effect, and particularly, the installation requirement on a high-definition camera is higher, and in the area with high labor cost, the installation operation of adjusting the focal length of the lens of the high-definition camera also increases the installation labor cost.
Under the environment that the high-definition camera is used in a large area, a AF (Auto Focus) lens adjusting device is urgently needed in the market to solve the problems of high labor cost and poor image adjusting effect in current production.
Disclosure of Invention
The utility model provides an automatic focusing high-definition analog camera control device, which aims to solve the problem that the focal length of the existing camera lens needs to be manually adjusted.
The utility model provides an automatic focusing high-definition analog camera control device which comprises a camera lens, a zoom motor for driving the camera lens to rotate to adjust the multiple, a focusing motor for driving the camera lens to rotate to adjust focusing, a photoelectric conversion plate and a focusing control plate, wherein the zoom motor and the focusing motor are both connected to the camera lens, the photoelectric conversion plate is arranged at the bottom of the camera lens, an MCU control circuit and an ISP circuit are arranged on the focusing control plate, the photoelectric conversion plate is connected with the ISP circuit, the ISP circuit is connected with the MCU control circuit, the MCU control circuit is respectively connected with the zoom motor and the focusing motor, and the MCU control circuit acquires focusing value signals of the ISP circuit and respectively controls the zoom motor and the focusing motor to rotate.
As a further improvement of the present utility model, the ISP circuit includes a chip U1, the MCU control circuit includes a chip U2, and the PD5 pin, the PD6 pin, the PD7 pin, and the PA3 pin of the chip U2 are respectively connected to the mosi1_1 pin, the miso1_1 pin, the csn1_1 pin, and the sck1_1 pin of the chip U1.
As a further improvement of the utility model, the variable-magnification motor comprises a motor driving chip U3 and a variable-magnification motor, wherein the input pins of the motor driving chip U3 are respectively connected with the pins PC4-PC7 of the chip U2, the focus-output pins of the motor driving chip U3 are connected with and drive one variable-magnification motor, and the focus-output pins of the motor driving chip U3 are connected with and drive the other variable-magnification motor.
As a further improvement of the present utility model, the motor driving chip U3 is model FP5501.
As a further improvement of the utility model, the focusing motor comprises a motor driving chip U4 and a focusing motor, wherein the input pin of the motor driving chip U4 is respectively connected with the pins PC0-PC3 of the chip U2, the ZoomA+ and ZoomA-output pin of the motor driving chip U4 is connected with and drives one focusing motor, and the ZoomB+ and ZoomB-output pin of the motor driving chip U4 is connected with and drives the other focusing motor.
As a further improvement of the present utility model, the motor driving chip U4 is model FP5501.
As a further improvement of the present utility model, the MCU control circuit has a model ATMEGA16 of the chip U2.
As a further improvement of the present utility model, the autofocus high definition analog camera control apparatus further includes a DVR device, the ISP circuit is connected to the DVR device, and the DVR device feeds back a PTZ control signal to the ISP circuit.
The beneficial effects of the utility model are as follows: the PTZ control electric signal fed back by the automatic focusing high-definition analog camera through the rear-end DVR equipment realizes the automatic zoom and focusing functions of the device, the focal length of the lens is not adjusted by going to the place where the camera is installed, the automation of the camera is further improved, the camera image can reach the best effect, and the use scene of the camera is wider.
Drawings
FIG. 1 is a block diagram of an autofocus high definition analog camera control device in accordance with the present utility model;
FIG. 2 is a system block diagram of an autofocus high definition analog camera control device of the present utility model;
FIG. 3 is a circuit block diagram of an ISP circuit in accordance with the present utility model;
FIG. 4 is a circuit diagram of the MCU control circuit of the present utility model;
fig. 5 is a circuit configuration diagram of a zoom motor and a focus motor in the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 1 to 2, the automatic focusing high definition analog camera control device of the present utility model includes a camera lens 1, a zoom motor 2 for driving the camera lens 1 to rotate to adjust the magnification, a focus motor 3 for driving the camera lens 1 to rotate to adjust the focusing, a photoelectric conversion board 5, and a focus control board 6, wherein the zoom motor 2 and the focus motor 3 are both connected to the camera lens 1, the photoelectric conversion board 5 is disposed at the bottom of the camera lens 1, the focus control board 6 is provided with an MCU control circuit and an ISP circuit, the photoelectric conversion board 5 is connected to the ISP circuit, the ISP circuit is connected to the MCU control circuit, the MCU control circuit is respectively connected to the zoom motor 2 and the focus motor 3, and the MCU control circuit obtains the focusing value signals of the ISP circuit and respectively controls the zoom motor 2 and the focus motor 3 to rotate. The camera lens 1 is connected to the photoelectric conversion plate 5 through the lens base 4, the light condensing position of the camera lens 1 is aligned to the photoelectric conversion plate 5, and the photoelectric conversion plate 5 converts the image signal of the camera lens 1 into an optical signal for transmission.
The automatic focusing high definition analog camera control device further comprises a DVR device, the ISP circuit is connected with the DVR device, and the DVR device feeds back PTZ control signals to the ISP circuit. The DVR device is used for acquiring images, according to the imaging condition of the images, the PTZ is controlled by the cradle head of the DVR device at the rear end to feed back an image adjusting instruction to the ISP circuit at the front end, the MCU control circuit reads a focusing adjusting signal related to the ISP circuit through an IIC interface between the ISP circuit and the MCU control circuit, and a driving instruction is respectively sent to motor driving chips of the zoom motor 2 and the focusing motor 3 through control pins of the MCU control circuit, so that the zoom motor 2 and the focusing motor 3 can adjust zoom and focus of the camera lens 1 to adjust the imaging effect of the images.
As shown in fig. 3 and 4, the ISP circuit includes a chip U1, the MCU control circuit includes a chip U2, and the PD5 pin, the PD6 pin, the PD7 pin, and the PA3 pin of the chip U2 are respectively connected to the mosi1_1 pin, the miso1_1 pin, the csn1_1 pin, and the sck1_1 pin of the chip U1. Model ATMEGA16 of chip U2 in MCU control circuit; the model of the chip U1 in the ISP circuit is NVP2441H. And an ISP circuit sends an electric signal instruction to the MCU control circuit through an IIC pin between the chip U1 and the chip U2, and the MCU control circuit reads the focusing value of the ISP circuit.
A camera is a device capable of converting an optical image of a scene into an electric signal, and is generally divided into three parts, namely an optical system, a photoelectric conversion system (photoelectric conversion board 5, sensor), and a circuit system (ISP circuit). The optical system, i.e. the camera lens 1, serves as the eye of the camera to record the scene being seen, but this time is not yet imaged, and the photoelectric conversion system is required to convert the image signal into optical signals, which are weak, so that the subsequent ISP circuit is required to process the image to be seen.
As shown in fig. 1, the data transmission of the DVP signal is established between the ISP circuit and the photoelectric conversion board 5, and the clock-based data transmission, that is, the data transmission of other signal buses such as I2C. Specifically, as shown in fig. 3, pins 1, 2, 3, 4, 6 and 7 of the chip U1 of the ISP circuit are respectively connected with the photoelectric conversion board 5 to establish transmission of LVDS signals, pin 70 of the chip U1 is connected with the photoelectric conversion board 5 to establish clock-based data transmission, and pins 72 and 74 of the chip U1 are respectively connected with the photoelectric conversion board 5 to establish data transmission of DVP signals. Pins 9 and 14 of the chip U1 are connected with the DVR through the MS 7632M.
As an automatic focusing camera, namely a motor in an optical system drives a camera lens 1, an MCU control circuit is required to drive and regulate parameters of a focal length lamp to enable an image to be the clearest, the inside of an ISP circuit calculates corresponding numerical values when the camera lens 1 changes before being clear and blurred, so that the MCU control circuit is required to continuously read the focused number of the ISP circuit, when the MCU control circuit reads the focused value, the MCU control circuit also needs to continuously drive a focusing motor 3 of the lens to rotate back and forth through an IO port, the focused value of the ISP control circuit can be the greatest, namely the lens is focused on the blur-clear-blur, and the focus value is the greatest after the lens is adjusted by rotating back and forth, the motor is stopped at the position with the largest focused value after the ISP circuit is regulated by the Fourier change, and the image is the clearest.
As shown in fig. 5, the variable-magnification motor 2 includes a motor driving chip U3 and a variable-magnification motor 2, wherein input pins of the motor driving chip U3 are respectively connected with PC4-PC7 pins of the chip U2, focusa+ and Focusa-output pins of the motor driving chip U3 are connected with and drive one of the variable-magnification motors 2, and Focusb+ and Focusb-output pins of the motor driving chip U3 are connected with and drive the other variable-magnification motor 2. The motor driving chip U3 is model FP5501. The zoom motor 2 can be further provided with a zoom push plate or a zoom baffle, when the motor driving chip U3 sends a driving instruction to the zoom motor 2, the zoom motor 2 can drive the zoom push plate to move back and forth along the direction of the camera lens 1, or drive the zoom baffle to zoom in or zoom out of a light inlet, so that the automatic zoom adjustment of the image imaging can be realized.
As shown in fig. 5, the focusing motor 3 includes a motor driving chip U4 and a focusing motor 3, wherein the input pins of the motor driving chip U4 are respectively connected with the pins PC0-PC3 of the chip U2, the zoom+ and zoom-output pins of the motor driving chip U4 are connected with and drive one of the focusing motors 3, and the zoom+ and zoom-output pins of the motor driving chip U4 are connected with and drive the other focusing motor 3. The motor drive chip U4 is model FP5501. The focusing motor 3 can be further provided with a focusing push plate or a focusing baffle, when the motor driving chip U3 sends a driving instruction to the focusing motor 3, the focusing motor 3 can drive the focusing push plate to move back and forth along the direction of the camera lens 1, or drive the focusing baffle to enlarge or reduce a light inlet so as to realize automatic focusing change adjustment of image imaging.
The zoom motor 2 and the focus motor 3 for driving the camera lens 1 need large current, but the MCU control circuit does not have the function of a current driving motor by itself, so motor driving chips, namely a motor driving chip U3 and a motor driving chip U4, are added between the MCU control circuit port and the zoom motor 2 or the focus motor 3, and the two FP5501 motor driving chips of the motor driving chip U3 and the motor driving chip U4 are used for driving the zoom motor and the focus motor 3 of the camera lens 1.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (8)
1. The utility model provides an automatic focus high definition analog camera controlling means, its characterized in that includes camera lens, drives camera lens rotation and adjusts the zoom motor of multiple, drives camera lens rotation and adjusts focus motor, photoelectric conversion board, the focus control panel of focusing, zoom motor, focus motor all connect on the camera lens, photoelectric conversion board sets up in camera lens bottom, be equipped with MCU control circuit, ISP circuit on the focus control panel, the ISP circuit is connected to photoelectric conversion board, ISP circuit is connected with MCU control circuit, MCU control circuit connects zoom motor, focus motor respectively, MCU control circuit acquires the focus value signal of ISP circuit to control zoom motor, focus motor rotation respectively.
2. The device according to claim 1, wherein the ISP circuit comprises a chip U1, the MCU control circuit comprises a chip U2, and the PD5 pin, the PD6 pin, the PD7 pin, and the PA3 pin of the chip U2 are respectively connected to the mosi1_1 pin, the miso1_1 pin, the csn1_1 pin, and the sck1_1 pin of the chip U1.
3. The control device of an autofocus high definition analog camera according to claim 2, wherein the zoom motor comprises a motor driving chip U3 and a zoom motor, wherein the input pins of the motor driving chip U3 are respectively connected with the pins PC4-PC7 of the chip U2, the focus-output pins of the motor driving chip U3 are connected with and drive one of the zoom motors, and the focus-b-output pins of the motor driving chip U3 are connected with and drive the other of the zoom motors.
4. The automatic focusing high definition analog camera control device according to claim 3, wherein the motor driving chip U3 is model FP5501.
5. The control device of the automatic focusing high definition analog camera according to claim 2, wherein the focusing motor comprises a motor driving chip U4 and a focusing motor, the input pins of the motor driving chip U4 are respectively connected with the pins PC0-PC3 of the chip U2, the output pins of the motor driving chip U4 of the zoom+, the zoom-are connected with and drive one focusing motor, and the output pins of the motor driving chip U4 of the zoom+, the zoom-are connected with and drive the other focusing motor.
6. The automatic focusing high definition analog camera control device according to claim 5, wherein the motor driving chip U4 is model FP5501.
7. The automatic focusing high definition analog camera control device according to claim 2, wherein the model ATMEGA16 of the chip U2 in the MCU control circuit.
8. The autofocus high definition analog camera control device of claim 1, further comprising a DVR device, wherein the ISP circuit is connected to the DVR device, and wherein the DVR device feeds back a PTZ control signal to the ISP circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223578085.0U CN219533578U (en) | 2022-12-30 | 2022-12-30 | Automatic focusing high definition analog camera control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223578085.0U CN219533578U (en) | 2022-12-30 | 2022-12-30 | Automatic focusing high definition analog camera control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219533578U true CN219533578U (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202223578085.0U Active CN219533578U (en) | 2022-12-30 | 2022-12-30 | Automatic focusing high definition analog camera control device |
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| CN (1) | CN219533578U (en) |
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- 2022-12-30 CN CN202223578085.0U patent/CN219533578U/en active Active
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