High-definition anti-shake pet first visual angle camera circuit

Abstract

The utility model relates to the technical field of pet cameras, and discloses a high-definition anti-shake pet first visual angle camera circuit comprising a power supply management module; an image sensor module; an image processing module; an anti-shake control module; the communication interface module is responsible for data transmission and communication between the camera and external equipment; the image sensor module, the image processing module, the anti-shake control module and the communication interface module are all electrically connected with the power management module, the image sensor module can convert light signals into electric signals, high-definition images can be collected, and the image quality is further improved through optimization processing of the image processing module. The pet owner can clearly observe the activity condition of the pet; through the design of the anti-shake control module, the shake of the camera can be detected, the position of the lens can be adjusted in real time, or electronic compensation can be performed on the image, the influence of the shake on the image can be eliminated or reduced, and the stability and definition of the image can be kept in the shooting process of the camera.

Description

TECHNICAL FIELD

[0001] The utility model relates to pet camera technical field, concretely is high definition anti shake pet first visual angle camera circuit. BACKGROUND

[0002] Pet camera is a kind of intelligent home equipment specially designed for pet owner, it allows pet owner to remotely view the activity of pet, interacts with pet, even monitors the health condition of pet.

[0003] Through the retrieval, the patent with application No. CN201320686240.2 discloses a kind of monitoring camera for pet, including central processing unit, image acquisition processing module, storage module, cellular communication module, global positioning system module and the power module for providing the working voltage of central processing unit and each module with suitable adaptation, wherein image acquisition processing module includes optical lens, the image sensor for collecting pet image via optical lens and the image processor for the analog / digital conversion of pet image collected by image sensor, the central processing unit is respectively connected with image sensor, image processor, storage module, cellular communication module, global positioning system module communication connection.The monitoring camera for pet involved in the utility model can monitor the living state of pet anytime and anywhere, and positioning pet.

[0004] Current pet camera when recording pet activity, the resolution and definition of image collected by camera are relatively low, and the processing effect of collected image is not good, that is, image quality is poor, it is not convenient to intuitively understand the environment around pet, and pet camera lacks anti shake function design, affects the picture stability of camera shooting process, therefore we need to propose high definition anti shake pet first visual angle camera circuit. UTILITY MODEL CONTENT

[0005] The utility model aims at providing high definition anti shake pet first visual angle camera circuit, image sensor module can convert light signal into electric signal, can collect high definition image, and further improves image quality through the optimization processing of graphic processing module, it is convenient for pet owner to clearly observe pet activity;Through the design of anti shake control module, the shaking of camera can be detected, and the position of lens or image is adjusted in real time or electronically compensated, eliminate or reduce the influence of shaking on image, ensure that camera keeps the stability and definition of picture in the process of shooting, to solve the problems proposed in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: high definition anti shake pet first visual angle camera circuit, including:

[0007] Power management module is responsible for providing stable working voltage and current for camera circuit;

[0008] An image sensor module responsible for converting optical signals into electrical signals;

[0009] An image processing module responsible for optimizing the analog signals output by the image sensor module and converting the analog signals into digital image signals;

[0010] An anti-shake control module responsible for monitoring the shaking of the camera and compensating for the shaking by adjusting the lens or sensor position;

[0011] A communication interface module responsible for data transmission and communication between the camera and external devices;

[0012] The image sensor module, image processing module, anti-shake control module, and communication interface module are electrically connected to the power management module, the image sensor module is electrically connected to the image processing module, and the image processing module is electrically connected to the communication interface module.

[0013] Preferably, the image sensor module includes chip U3, chip U5, and transformer T1, the 1-pin and 8-pin of chip U5 are connected to resistor R23, the 1-pin of transformer T1 is connected to resistor R19, resistor R19 is connected to resistor R23, and the 1-pin of chip U3 and the 7-pin of chip U5 are connected to the connection terminals of resistor R19 and resistor R23.

[0014] Preferably, resistor R24 is connected between the 2-pin of chip U3 and the 1-pin of chip U5, resistor R22 is connected between the 2-pin and 6-pin of chip U3, resistor R21 is connected between the 6-pin and 7-pin of chip U3, resistor R20 is connected to the 7-pin of chip U3, and the 2-pin of transformer T1 is connected to resistor R20.

[0015] Preferably, the image processing module includes chip U9 and connector J4, the 37-pin of chip U9 is connected to resistor R31, the 34-pin of chip U9 and the connection terminal of the 1-pin of connector J4 are connected to resistor R34, the 32-pin of chip U9 and the connection terminal of the 2-pin of connector J4 are connected to resistor R35, the 28-pin of chip U9 and the connection terminal of the 3-pin of connector J4 are connected to resistor R36, and one end of resistor R34, resistor R35, and resistor R36 is connected to resistor R31.

[0016] Preferably, the 38-pin of chip U9 is connected to resistor R30, the 36-pin of chip U9 is connected to capacitor C58, the 35-pin of chip U9 is connected to capacitor C59, capacitor C58 and capacitor C59 are connected to resistor R30, the 13-pin of connector J4 is connected to resistor R32, and the 14-pin of connector J4 is connected to resistor R33.

[0017] Preferably, the anti-shake control module comprises a connector J1, a voltage stabilizing chip Q1 and a chip U1, the connector J1 is connected with the voltage stabilizing chip Q1 and the chip U1 respectively, a switch K1 is connected between the 1th pin and the 5th pin of the voltage stabilizing chip Q1, the 1th pin of the voltage stabilizing chip Q1 is connected with a capacitor C1, and the 5th pin of the voltage stabilizing chip Q1 is connected with a capacitor C2 and a capacitor C3 arranged in parallel.

[0018] Preferably, the 1th pin and the 22th pin of the chip U1 are connected with a resistor R1, the 1th pin and the 24th pin of the chip U1 are connected with a resistor R4, the 1th pin and the 23th pin of the chip U1 are connected with a resistor R5, the 18th pin and the 10th pin of the chip U1 are connected with a capacitor C6, the 18th pin and the 11th pin of the chip U1 are connected with a resistor R2, and the 18th pin and the 9th pin of the chip U1 are connected with a resistor R3.

[0019] Preferably, the communication interface module comprises a chip U2 and a connector J2, the 1th pin and the 3th pin of the chip U2 are connected with a capacitor C7, the 4th pin and the 5th pin of the chip U2 are connected with a capacitor C8, the 14th pin of the chip U2 and the 2th pin of the connector J2 are connected with a resistor R11 and a magnetic bead FB1, the 13th pin of the chip U2 and the 3th pin of the connector J2 are connected with a resistor R12 and a magnetic bead FB2, and the 2th pin and the 3th pin of the connector J2 are further connected with a capacitor C11 and a capacitor C12.

[0020] Compared with the prior art, the anti-shake control module has the advantages that:

[0021] 1、The image sensor module of the utility model can convert light signal into electric signal, can gather high definition image, and further improves image quality through the optimization processing of the image processing module, which is convenient for pet owner to observe pet activity clearly.

[0022] 2、The utility model discloses a design of anti-shake control module can detect the camera's shake, and real -time adjustment lens's position or to the image carries out electronic compensation, eliminates or alleviates the influence of shake to the image, guarantees the camera to keep the stability and the definition of picture in the process of shooting. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the system block diagram of the utility model;

[0024] Figure 2 It is the circuit diagram of the image sensor module of the utility model;

[0025] Figure 3 It is the circuit diagram of the image processing module of the utility model;

[0026] Figure 4 It is the circuit diagram of the anti-shake control module of the utility model;

[0027] Figure 5 The utility model discloses a circuit diagram of communication interface module. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] Please refer to Figures 1-5 The utility model provides a technical scheme: high definition anti -shake pet first visual angle camera circuit, including:

[0030] The power management module is responsible for providing stable working voltage and current for the camera circuit.

[0031] The image sensor module is responsible for converting optical signals into electrical signals.

[0032] The image sensor module includes chip U3, chip U5 and transformer T1. The pin 1 of chip U5 is connected with the resistance R23 through the connecting terminal, the pin 1 of transformer T1 is connected with the resistance R19, the resistance R19 is connected with the resistance R23, and the pin 1 of chip U3 and the pin 7 of chip U5 are connected on the connecting terminal of resistance R19 and resistance R23.

[0033] The resistance R24 is connected between the pin 2 of chip U3 and the pin 1 of chip U5, the resistance R22 is connected between the pin 2 of chip U3 and the pin 6 of chip U3, the resistance R21 is connected between the pin 6 of chip U3 and the pin 7 of chip U3, the pin 2 of transformer T1 is connected with the resistance R20, and the resistance R20 is connected on the pin 7 of chip U3.

[0034] The image processing module further includes the connector P1, the parallelly arranged capacitor C20 and capacitor C17, the parallelly arranged capacitor C21 and capacitor C22, the parallelly arranged capacitor C23 and capacitor C18, and the capacitor C19. The capacitor C20 and capacitor C17 are connected on the pin 8 of chip U3, the capacitor C21 and capacitor C22 are connected on the pin 4 of chip U3, the capacitor C23 and capacitor C18 are connected on the pin 4 of chip U5, the pin 2 of connector P1 is connected on the pin 5 of chip U5, and the capacitor C19 is connected on the pin 1 of connector P1.

[0035] Capacitors C17, C18, C19, C20, C21, C22, C23 are used to filter high-frequency noise in the power supply, stabilize the power supply voltage, chip U3 is used to amplify or process the input sine clock signal, chip U5 is controlled by an external ARM controller to adjust the potential and output the adjusted signal to the image processing module.

[0036] An image processing module responsible for optimizing the analog signals output by the image sensor module and converting the analog signals into digital image signals;

[0037] The image processing module includes chip U9 and connector J4, the 37th pin of the chip U9 is connected with resistor R31, the 34th pin of the chip U9 is connected with resistor R34 at the wiring end of the 1st pin of the connector J4, the 32nd pin of the chip U9 is connected with resistor R35 at the wiring end of the 2nd pin of the connector J4, the 28th pin of the chip U9 is connected with resistor R36 at the wiring end of the 3rd pin of the connector J4, and one end of the resistors R34, R35 and R36 is connected with resistor R31.

[0038] The 38th pin of the chip U9 is connected with resistor R30, the 36th pin of the chip U9 is connected with capacitor C58, and the 35th pin of the chip U9 is connected with capacitor C59, the capacitors C58 and C59 are connected with resistor R30, the 13th pin of the connector J4 is connected with resistor R32, and the 14th pin of the connector J4 is connected with resistor R33.

[0039] Chip U9 is an analog-to-digital conversion chip used for video signal processing, and capacitors C58 and C59 are used to filter high-frequency noise in the power supply and stabilize the power supply voltage to ensure stable operation of chip U9, resistors R32 and R33 are used for impedance matching in video signal transmission to reduce signal reflection, and resistors R30 and R31 are used for current limiting and voltage dividing.

[0040] VGA_HS is connected with a row synchronization signal, VGA_VS is connected with a field synchronization signal, and other pins of the connector J4 are connected with processed red, green and blue video signals for outputting the processed video signals to a VGA-compatible display device such as a display.

[0041] An anti-shake control module responsible for monitoring the shaking of the camera and compensating for the shaking by adjusting the lens or sensor position;

[0042] The anti-shake control module includes a connector J1, a voltage stabilizing chip Q1 and a chip U1, the connector J1 is connected with the voltage stabilizing chip Q1 and the chip U1 respectively, a switch K1 is connected between the pin 1 and the pin 5 of the voltage stabilizing chip Q1, the pin 1 of the voltage stabilizing chip Q1 is connected with a capacitor C1, and the pin 5 of the voltage stabilizing chip Q1 is connected with a capacitor C2 and a capacitor C3 arranged in parallel.

[0043] The pin 1 and the pin 22 of the chip U1 are connected with a resistor R1, the pin 1 and the pin 24 of the chip U1 are connected with a resistor R4, the pin 1 and the pin 23 of the chip U1 are connected with a resistor R5, the pin 18 and the pin 10 of the chip U1 are connected with a capacitor C6, the pin 18 and the pin 11 of the chip U1 are connected with a resistor R2, and the pin 18 and the pin 9 of the chip U1 are connected with a resistor R3.

[0044] The connector J1 is used for connecting external devices to transmit power supply and data signals; the voltage stabilizing chip Q1 can convert the input voltage into a stable 3.3V output, the capacitor C1 is an input filter capacitor, the capacitor C2 and the capacitor C3 are output filter capacitors, which are used to stabilize the output voltage and reduce the ripple, and the switch K1 is used to control the on-off of the power supply.

[0045] In the connector J1:

[0046] VIN: power input pin, providing external input voltage for the entire circuit.

[0047] SCL: serial clock line, providing clock signals in I2C or SPI communication protocols for data synchronization transmission between chips.

[0048] SDA: serial data line, transmitting data in I2C or SPI communication.

[0049] ESD, ESC: pins related to electrostatic protection or specific function control.

[0050] AD0 / SDO: in I2C mode, AD0 is used to set the chip address; in SPI mode, SDO is used for data output.

[0051] INT: interrupt pin, which can send an interrupt signal to the host device when the chip detects a specific event.

[0052] nCS: chip select pin, active low, used to select the chip when multiple devices communicate.

[0053] FSYNC: frame synchronization pin, used for synchronous sensor data acquisition and output.

[0054] The chip U1 is a motion tracking sensor chip, wherein:

[0055] Power supply pins: VDDIO (pin 8) and VDD (pin 13) are connected to 3.3V power supply, which supplies power for the digital input and output interface and internal circuit of chip U1.

[0056] Communication pins: SDA (pin 24) and SCL (pin 23) are connected to the SDA and SCL pins of connector J1 respectively, which are used for I 2 C communication; nCS (pin 22) is connected to the nCS pin of connector J1, which is used for chip selection; AD0 / SDO (pin 9) is connected to the corresponding pin of connector J1, which is used for setting chip U1 address or data output in SPI mode.

[0057] Function pins: INT (pin 12) is connected to the INT pin of connector J1, which is used for outputting interrupt signal; FSYNC (pin 11) is connected to the FSYNC pin of connector J1, which is used for data synchronization; AUX-CL (pin 7) and AUX-DA (pin 21) are used for connecting the clock and data lines of auxiliary sensors.

[0058] The communication interface module is responsible for data transmission and communication between the camera and external devices.

[0059] The communication interface module includes chip U2 and connector J2, a capacitor C7 is connected between pin 1 and pin 3 of chip U2, a capacitor C8 is connected between pin 4 and pin 5 of chip U2, a resistor R11 and a magnetic bead FB1 are connected between pin 14 of chip U2 and pin 2 of connector J2, a resistor R12 and a magnetic bead FB2 are connected between pin 13 of chip U2 and pin 3 of connector J2, and a capacitor C11 and a capacitor C12 are also connected between pin 2 and pin 3 of connector J2.

[0060] Chip U2 is an interface chip for RS-232 communication, which converts the TTL (Transistor-Transistor Logic) level signal output by devices such as microcontrollers into RS-232 standard level signal, so as to perform long-distance and reliable data transmission; at the same time, it can also convert the received RS-232 level signal back to TTL level for internal circuit processing.

[0061] Capacitors C7, C8, C9 and C10 constitute part of the internal charge pump circuit of chip U2, which is used to generate positive and negative voltages required for RS-232 communication, resistors R11 and magnetic beads FB1 (resistors R12 and magnetic beads FB2) are used to suppress high-frequency interference, and then the signal is connected to the external RS-232 communication line through connector J2.

[0062] The image sensor module, the image processing module, the anti-shake control module and the communication interface module are electrically connected with the power management module, the image sensor module is electrically connected with the image processing module, and the image processing module is electrically connected with the communication interface module.

[0063] In use, the user presses the camera power switch, the power management module starts to work, provides stable power supply for the camera circuit, and each module carries out initialization operation, including parameter setting and state checking of the image sensor module, the image processing module, the anti-shake control module and the communication interface module.

[0064] The image sensor module starts to work, captures light and converts it into analog electrical signals, and the analog signals are transmitted to the image processing module for processing, the image processing module optimizes the received analog signals and converts them into digital image signals, at the same time, the image processing module can also enhance, compress and format convert the image to meet different application requirements.

[0065] In the process of image acquisition and processing, the anti-shake control module continuously monitors the shaking of the camera, and once the shaking is detected, the anti-shake control module will immediately calculate the displacement amount that needs to be compensated, and eliminate the influence of shaking on the picture by adjusting the position of the lens or the sensor.

[0066] The processed digital image signal is transmitted to the communication interface module, the communication interface module transmits the image data to the external device (such as mobile phone, computer, etc.) through the communication interface such as Wi-Fi, Bluetooth, for the user to view and share.

[0067] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high definition, anti-shake, pet first-person view camera circuit, characterized by, It includes: a power management module responsible for providing stable working voltage and current for the camera circuit; an image sensor module responsible for converting optical signals into electrical signals; an image processing module responsible for optimizing the analog signals output by the image sensor module and converting the analog signals into digital image signals; an anti-shake control module responsible for monitoring the camera's shaking situation and compensating for the shaking by adjusting the lens or sensor position; a communication interface module responsible for data transmission and communication between the camera and external devices; The image sensor module, image processing module, anti-shake control module, and communication interface module are electrically connected to the power management module, the image sensor module is electrically connected to the image processing module, and the image processing module is electrically connected to the communication interface module.

2. The high definition, anti-shake, pet first-person view camera circuit of claim 1, wherein: The image sensor module includes chip U3, chip U5, and transformer T1. The 1-pin and 8-pin of chip U5 are connected to resistor R23. The 1-pin of transformer T1 is connected to resistor R19. Resistor R19 is connected to resistor R23. The 1-pin of chip U3 and the 7-pin of chip U5 are connected to the connection terminals of resistor R19 and resistor R23.

3. The high definition, anti-shake, pet first-person view camera circuit of claim 2, wherein: Resistor R24 is connected between the 2-pin of chip U3 and the 1-pin of chip U5. Resistor R22 is connected between the 2-pin and 6-pin of chip U3. Resistor R21 is connected between the 6-pin and 7-pin of chip U3. Resistor R20 is connected to the 7-pin of chip U3.

4. The high definition, anti-shake, pet first-person view camera circuit of claim 1, wherein: The image processing module includes chip U9 and connector J4. The 37-pin of chip U9 is connected to resistor R31. The 34-pin of chip U9 and the connection terminals of the 1-pin of connector J4 are connected to resistor R34. The 32-pin of chip U9 and the connection terminals of the 2-pin of connector J4 are connected to resistor R35. The 28-pin of chip U9 and the connection terminals of the 3-pin of connector J4 are connected to resistor R36. One end of resistors R34, R35, and R36 is connected to resistor R31.

5. The high definition, anti-shake, pet first-person view camera circuit of claim 4, wherein: The 38-pin of chip U9 is connected to resistor R30. The 36-pin of chip U9 is connected to capacitor C58. The 35-pin of chip U9 is connected to capacitor C59. Capacitors C58 and C59 are connected to resistor R30. The 13-pin of connector J4 is connected to resistor R32. The 14-pin of connector J4 is connected to resistor R33.

6. The high definition, anti-shake, pet first-person view camera circuit of claim 1, wherein: The anti-shake control module includes connector J1, voltage stabilizing chip Q1, and chip U1. The connector J1 is connected to voltage stabilizing chip Q1 and chip U1. The 1-pin and 5-pin of voltage stabilizing chip Q1 are connected to switch K1. The 1-pin of voltage stabilizing chip Q1 is connected to capacitor C1. The 5-pin of voltage stabilizing chip Q1 is connected to capacitor C2 and capacitor C3 in parallel.

7. The high definition, anti-shake, pet first-person view camera circuit of claim 6, wherein: The chip U1 is connected with resistance R1 between pin 1 and pin 22, connected with resistance R4 between pin 1 and pin 24, connected with resistance R5 between pin 1 and pin 23, connected with capacitor C6 between pin 18 and pin 10, connected with resistance R2 between pin 18 and pin 11, connected with resistance R3 between pin 18 and pin 9.

8. The high definition, anti-shake, pet first-person view camera circuit of claim 1, wherein: The communication interface module includes chip U2 and connector J2, the chip U1 is connected with capacitor C7 between pin 1 and pin 3, connected with capacitor C8 between pin 4 and pin 5, connected with resistance R11 and magnetic beads FB1 between pin 14 and pin 2 of connector J2, connected with resistance R12 and magnetic beads FB2 between pin 13 and pin 3 of connector J2, and the connector J2 is also connected with capacitor C11 and capacitor C12 between pin 2 and pin 3.

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