CN208079227U - A kind of web camera circuit - Google Patents
A kind of web camera circuit Download PDFInfo
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- CN208079227U CN208079227U CN201820374214.9U CN201820374214U CN208079227U CN 208079227 U CN208079227 U CN 208079227U CN 201820374214 U CN201820374214 U CN 201820374214U CN 208079227 U CN208079227 U CN 208079227U
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Abstract
The utility model discloses a kind of web camera circuits, image processing circuit, storage circuit, WiFi control circuits, IR-CUT control circuits, photosensitive detection circuit, audio input circuit, audio output circuit, button reset detection circuit, LED control circuit and the reduction voltage circuit being connected including governor circuit and respectively with governor circuit, the reduction voltage circuit are used to provide DC power supply to governor circuit.The utility model so that camera function is more various, user-friendly.
Description
Technical field
The utility model is related to electronic circuit technology field, especially a kind of web camera circuit.
Background technology
Web camera is the new generation product that traditional cameras is combined with network video technique, in addition to having general biography
It has under one's command outside all image capture functions of camera, also built-in digitalization compressed controller and the operating system based on WEB in machine,
So that after the compressed encryption of video data, sent to terminal user by LAN, internet or wireless network.
Nowadays the type of web camera is various, and user has multiple choices, and still, these web cameras often only have
There is the function of transmitting, monitoring video, function is relatively single, cannot be satisfied the diversified demand of user.
Utility model content
The utility model provides a kind of web camera circuit, and function is more various, user-friendly.
A kind of web camera circuit, including governor circuit and be connected respectively with governor circuit image processing circuit,
Storage circuit, WiFi control circuits, IR-CUT control circuits, photosensitive detection circuit, audio input circuit, audio output circuit,
Button reset detection circuit, LED control circuit and reduction voltage circuit, the reduction voltage circuit are used to provide direct current to governor circuit
Source；The governor circuit includes chip AK3918E, and described image processing circuit includes chip SC1135, chip SC1135 9,
11,12 and 14-28 pins connect respectively chip AK3918E 37,42,57,38,40,43-53,55 and 56 pins, chip SC1135
30 pins, resistance R10 and chip AK3918E 39 pins be sequentially connected；The WiFi control circuits include RTL8188 moulds
The grid of block, 7 feet of chip AK3918E, resistance R464 and triode Q25 is sequentially connected, and the two of capacitance C131 and resistance R463
End respectively connects the grid and ground terminal of triode Q25, and the drain electrode of triode Q25 meets 1 foot of RTL8188 modules, triode Q25
Source electrode connect 3.3V DC power supplies, the both ends of capacitance C158 meet 1 foot and ground terminal of RTL8188 modules, chip AK3918E respectively
9 feet connect 3 feet of RTL8188 modules, 10 feet of chip AK3918E connect 2 feet of RTL8188 modules, 6 feet of RTL8188 modules
Connect WiFi antennas；The IR-CUT control circuits include chip MX6208, and 2 feet and 4 feet of chip MX6208 connect IR-CUT drivings
Motor, 5 feet and 8 feet of chip MX6208 connect 77 feet and 78 feet of chip AK3918E respectively；The photosensitive detection circuit includes light
The both ends of quick resistance, resistance R12 connect 3.3V DC power supplies and 13 feet of chip AK3918E respectively, and the both ends of capacitance C35 connect respectively
13 feet and ground terminal of chip AK3918E, two ends of photo resistance are connected on the both ends of capacitance C35；The button reset detection electricity
Road includes switch K4, and 76 feet, switch K4 and the ground terminal of chip AK3918E be sequentially connected, 3.3v DC power supplies, resistance R101 and
76 feet of chip AK3918E are sequentially connected；The LED control circuit includes chip PAM2804, and 5 feet of chip AK3918E connect core
1 foot of piece PAM2804,3 feet of chip PAM2804,1 port of inductance L6 and 2Pin interface are sequentially connected, chip PAM2804's
5 feet connect 2 ports of 2Pin interfaces, and 2Pin interfaces are connected with LED.
Preferably, the storage circuit includes Flash storage circuits and TFCARD storage circuits.
Preferably, the Flash storage circuits include chip GD25Q64,1 foot, 2 feet, 5 feet and 6 feet of chip GD25Q64
75 feet, 59 feet, 61 feet and 74 feet of chip AK3918E, 7 feet, resistance R7 and the 3.3V DC power supply of chip GD25Q64 are connect respectively
It is sequentially connected, 3 feet, resistance R5 and the 3.3V DC power supply of chip GD25Q64 are sequentially connected.
Preferably, the TFCARD storage circuits include TFCARD, the both ends of resistance R40 connect respectively TFCARD 9 feet and
3.3V DC power supplies, 9 feet, 7 feet, 5 feet and 3 feet of TFCARD connect 65 feet, 64 feet, 63 feet and 62 feet of chip AK3918E respectively.
Preferably, the audio input circuit includes microphone, 16 feet, resistance R128, the resistance of chip AK3918E
R127, magnetic bead FB11, microphone and ground terminal are sequentially connected, 17 feet, capacitance C23 and the ground terminal of chip AK3918E sequentially phase
Even, multiple filter capacitors are connected between 17 feet and 16 feet of chip AK3918E.
Preferably, the audio output circuit includes chip FT2010,3.3V DC power supplies, resistance R130 and chip
1 foot of FT2010 is sequentially connected, and 1 foot, capacitance C125 and the ground terminal of chip FT2010 are sequentially connected, 2 feet of chip FT2010,
Capacitance C126 and ground terminal are sequentially connected, and 3 feet, resistance R132, capacitance C128 and the ground terminal of chip FT2010 are sequentially connected, core
19 feet of piece AK3918E, capacitance C130, resistance R134 and chip FT2010 4 feet be sequentially connected, 5 feet of chip FT2010 and 8
Foot connects loudspeaker respectively.
Preferably, the reduction voltage circuit input termination AC-DC conversion circuits output end, AC-DC conversion circuits it is defeated
Enter to terminate alternating current.
In the utility model, governor circuit is connected with image processing circuit, storage circuit, WiFi control circuits, IR-CUT
Control circuit, photosensitive detection circuit, audio input circuit, audio output circuit, button reset detection circuit, LED control circuit
And reduction voltage circuit, Image Acquisition is carried out by image processing circuit, storage circuit can store the image of acquisition, WiFi control electricity
Road can provide wireless communication, and photosensitive detection circuit can allow IR-CUT control circuits according to illumination with detection light degree of illuminating
Brightness control switching filter, can input voice by audio input circuit, can export voice by audio output circuit, press
Key reset detection circuit, which is used to entire video camera reset, restarts, and the LED that LED control circuit can control on video camera is bright
It rises.Thus the video camera of the utility model has multiple functions, user-friendly.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the web camera circuit of embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram of the governor circuit of embodiment of the utility model；
Fig. 3 is a kind of structural schematic diagram of the reduction voltage circuit of embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of the image processing circuit of embodiment of the utility model；
Fig. 5 is a kind of structural schematic diagram of the WiFi control circuits of embodiment of the utility model；
Fig. 6 is a kind of structural schematic diagram of the IR-CUT control circuits of embodiment of the utility model；
Fig. 7 is a kind of structural schematic diagram of the photosensitive detection circuit of embodiment of the utility model；
Fig. 8 is a kind of structural schematic diagram of the button reset detection circuit of embodiment of the utility model；
Fig. 9 is a kind of structural schematic diagram of the LED control circuit of embodiment of the utility model；
Figure 10 is a kind of structural schematic diagram of the Flash storage circuits of embodiment of the utility model；
Figure 11 is a kind of structural schematic diagram of the TFCARD storage circuits of embodiment of the utility model；
Figure 12 is a kind of structural schematic diagram of the audio input circuit of embodiment of the utility model；
Figure 13 is a kind of structural schematic diagram of the audio output circuit of embodiment of the utility model.
Specific implementation mode
The utility model is described in further detail below by specific implementation mode combination attached drawing.
The utility model embodiment provides a kind of web camera circuit, as shown in Figure 1, including governor circuit 1 and dividing
It is the image processing circuit 2 that is not connected with governor circuit 1, storage circuit, WiFi control circuits 4, IR-CUT control circuits 5, photosensitive
Detection circuit 6, audio input circuit 7, audio output circuit 8, button reset detection circuit 9, LED control circuit 10 and decompression electricity
Road 11, the reduction voltage circuit is used to provide DC power supply to governor circuit 1, so that its work.
Image processing circuit 2 includes pick-up lens and imaging sensor etc., and carrying out image by image processing circuit 2 adopts
Collection.Storage circuit can store the data such as image and the voice of acquisition, and WiFi control circuits 4 can provide wireless communication, make to take the photograph
Camera is connected by WiFi with external equipment.Photosensitive detection circuit 6 can detect the illumination brightness of ambient enviroment, and IR-CUT is made to control
Circuit 5 processed can control according to the bright of extraneous light and secretly switching filter, ensure image quality.Pass through audio input circuit 7
Voice can be inputted, voice can be exported by audio output circuit 8, it is logical that voice can be then carried out in conjunction with WiFi control circuits 4
Letter.Button reset detection circuit 9, which is used to entire video camera reset, restarts, and when user presses on & off switch, governor circuit 1 can
With control reset and restart.The LED that LED control circuit 10 can control on video camera is lighted, and makes video camera that there is illumination to make
With.Based on the present embodiment so that web camera circuit has multiple functions, user-friendly.
As shown in Fig. 2, the governor circuit 1 includes chip AK3918E, row's pin is voltage at the top of chip AK3918E
Pin is output and input, required voltage has more kinds of 1.2v, 1.8v, 3.3v.21,22,26,27 and 24 pins are as system port,
21,22,26 and 27 pins connect clock circuit, and 24 pins are as reseting port.37 and 38 pins are as I2C bus ports.3-7
Pin and 76-80 pins are network interface, 1,59, the pin of 61-65,72,74 and 75 be SPI interface.81 and 18 pins are grounded.
13,14,15 and 19 pins be ADC or DAC output ports, 9 and 10 pins be USB port, 40, the ports 42-53 and 55-57 be with
The relevant CIS interfaces of video camera.35,36,39 and 58 pins are debugging serial ports.
As shown in Figure 1, the output end of the input termination AC-DC conversion circuits 12 of the reduction voltage circuit 11, AC-DC conversion electricity
The input on road 12 terminates alternating current, and alternating current is converted to direct current by AC-DC conversion circuits 12, and reduction voltage circuit 11 is then to transformed electricity
Pressure is depressured.As shown in figure 3, reduction voltage circuit 10 includes chip RT8059, reduction voltage circuit 10 inputs 5V direct current signals, and can drop
The DC power supply of pressure output 1.2v, 1.8v and 3.3v, so that governor circuit 1 uses.
As shown in figure 4, described image processing circuit 2 includes chip SC1135, row's pin is to connect at the top of chip SC1135
Ground and voltage input pin, one row's pin of right side are grounding pin.9,11, the 12 and 14-28 pins of chip SC1135 connect respectively
Chip AK3918E 37,42,57,38,40,43-53,55 and 56 pins, 30 pins, resistance R10 and the chip of chip SC1135
39 pins of AK3918E are sequentially connected.Wherein, 9 feet of chip SC1135 and 14 feet connect I2C buses, and 10 feet are grounded, 29 feet,
Resistance R61 and ground terminal are sequentially connected.The 17-28 feet of chip SC1135 export for corresponding image data.
As shown in figure 5, the WiFi control circuits 4 include RTL8188 modules, 7 feet, the resistance R464 of chip AK3918E
It is sequentially connected with the grid of triode Q25, the both ends of capacitance C131 and resistance R463 respectively connect the grid of triode Q25 and connect
Ground terminal, the drain electrode of triode Q25 connect 1 foot of RTL8188 modules, and the source electrode of triode Q25 meets 3.3V DC power supplies, capacitance C158
Both ends connect 1 foot and ground terminal of RTL8188 modules respectively, 9 feet of chip AK3918E connect 3 feet of RTL8188 modules, chip
10 feet of AK3918E connect 2 feet of RTL8188 modules, and 6 feet of RTL8188 modules connect WiFi antennas.
As shown in fig. 6, the IR-CUT control circuits 5 include chip MX6208,2 feet and 4 feet of chip MX6208 meet IR-
CUT driving motors drive switching filter by IR-CUT driving motors.5 feet and 8 feet of chip MX6208 connect chip respectively
77 feet and 78 feet of AK3918E.
As shown in fig. 7, the photosensitive detection circuit 6 includes photo resistance LDR1, it is straight that the both ends of resistance R12 meet 3.3V respectively
The both ends of 13 feet in galvanic electricity source and chip AK3918E, capacitance C35 connect 13 feet and ground terminal of chip AK3918E, photosensitive electricity respectively
Two ends of resistance are connected on the both ends of capacitance C35.For photo resistance LDR1 under low light condition, resistance value is very big, 3.3v DC power supplies flow direction
13 feet of chip AK3918E make 13 feet of chip AK3918E be in high level, and when light enhances, the resistance value of photo resistance drops
Low, 13 feet of chip AK3918E are shorted so that 13 feet of chip AK3918E are in low level, carry out detection light according to strong with this
Degree.Meanwhile according to the intensity of illumination, main control chip can be implemented to control by 77 feet and 78 feet to IR-CUT control circuits 4.
As shown in figure 8, the button reset detection circuit 9 includes switch K4,76 feet of chip AK3918E, switch K4 and
Ground terminal is sequentially connected, and 76 feet of 3.3v DC power supplies, resistance R101 and chip AK3918E are sequentially connected.When switch K4 open,
76 feet of chip AK3918E are in high level, and when switch K4 is closed, 76 feet of chip AK3918E are shorted, and are in low level shape
State.Whether closed, opened with this detection switch K4, and after the switch is turned off, entire video camera reset can be controlled and restarted.
As shown in figure 9, the LED control circuit 10 includes chip PAM2804,5 feet of chip AK3918E connect chip
1 foot of PAM2804,3 feet of chip PAM2804,1 port of inductance L6 and 2Pin interface are sequentially connected, and the 5 of chip PAM2804
Foot connects 2 ports of 2Pin interfaces, and 2Pin interfaces are connected with LED.
In one embodiment, the storage circuit includes Flash storage circuits 31 and TFCARD storage circuits 32.Its
In, as shown in Figure 10, the Flash storage circuits 31 include chip GD25Q64,1 foot, 2 feet, 5 feet and 6 of chip GD25Q64
Foot connects 75 feet, 59 feet, 61 feet and 74 feet of chip AK3918E, 7 feet, resistance R42 and the 3.3V direct current of chip GD25Q64 respectively
Power supply is sequentially connected, and 3 feet, resistance R41 and the 3.3V DC power supply of chip GD25Q64 are sequentially connected.4 feet be grounded, 3 feet, 7 feet and
8 feet connect the DC power supply of 3.3v.
As shown in figure 11, the TFCARD storage circuits 32 include TFCARD, and the both ends of resistance R40 connect TFCARD's respectively
9 feet and 3.3V DC power supplies, 9 feet, 7 feet, 5 feet and 3 feet of TFCARD connect respectively 65 feet of chip AK3918E, 64 feet, 63 feet and
62 feet.
In one embodiment, as shown in figure 12, the audio input circuit 8 include microphone, the 16 of chip AK3918E
Foot, resistance R128, resistance R127, magnetic bead FB11, microphone and ground terminal are sequentially connected, 17 feet, the capacitance of chip AK3918E
C23 and ground terminal are sequentially connected, and multiple filter capacitors are connected between 17 feet and 16 feet of chip AK3918E.
In one embodiment, as shown in figure 13, the audio output circuit 9 includes chip FT2010,3.3V direct current
1 foot in source, resistance R130 and chip FT2010 is sequentially connected, 1 foot, capacitance C125 and the ground terminal of chip FT2010 sequentially phase
Even, 2 feet, capacitance C126 and the ground terminal of chip FT2010 are sequentially connected, 3 feet, resistance R132, the capacitance C128 of chip FT2010
Be sequentially connected with ground terminal, 19 feet of chip AK3918E, capacitance C130, resistance R134 and chip FT2010 4 feet sequentially phase
Even, 5 feet and 8 feet of chip FT2010 connect loudspeaker respectively.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.
Claims (7)
1. a kind of web camera circuit, it is characterised in that：
The image processing circuit that is connected including governor circuit and respectively with governor circuit, storage circuit, WiFi control circuits,
IR-CUT control circuits, photosensitive detection circuit, audio input circuit, audio output circuit, button reset detection circuit, LED controls
Circuit and reduction voltage circuit processed, the reduction voltage circuit are used to provide DC power supply to governor circuit；The governor circuit includes chip
AK3918E, described image processing circuit include chip SC1135, and 9,11, the 12 and 14-28 pins of chip SC1135 connect core respectively
Piece AK3918E 37,42,57,38,40,43-53,55 and 56 pins, 30 pins, resistance R10 and the chip of chip SC1135
39 pins of AK3918E are sequentially connected；
The WiFi control circuits include RTL8188 modules, 7 feet of chip AK3918E, the grid of resistance R464 and triode Q25
Pole is sequentially connected, and the both ends of capacitance C131 and resistance R463 respectively meet the grid and ground terminal of triode Q25, triode Q25
Drain electrode connect 1 foot of RTL8188 modules, the source electrode of triode Q25 connects 3.3V DC power supplies, and the both ends of capacitance C158 connect respectively
9 feet of 1 foot and ground terminal of RTL8188 modules, chip AK3918E connect 3 feet of RTL8188 modules, 10 feet of chip AK3918E
2 feet of RTL8188 modules are connect, 6 feet of RTL8188 modules connect WiFi antennas；
The IR-CUT control circuits include chip MX6208, and 2 feet and 4 feet of chip MX6208 connect IR-CUT driving motors, core
5 feet and 8 feet of piece MX6208 connect 77 feet and 78 feet of chip AK3918E respectively；
The photosensitive detection circuit includes photo resistance, and the both ends of resistance R12 connect 3.3V DC power supplies and chip AK3918E respectively
13 feet, the both ends of capacitance C35 connect 13 feet and ground terminal of chip AK3918E respectively, and two ends of photo resistance are connected on capacitance C35
Both ends；
The button reset detection circuit includes switch K4, and 76 feet, switch K4 and the ground terminal of chip AK3918E are sequentially connected,
76 feet of 3.3v DC power supplies, resistance R101 and chip AK3918E are sequentially connected；
The LED control circuit includes chip PAM2804, and 5 feet of chip AK3918E connect 1 foot of chip PAM2804, chip
3 feet of PAM2804,1 port of inductance L6 and 2Pin interface are sequentially connected, and 5 feet of chip PAM2804 connect 2 ends of 2Pin interfaces
Mouthful, 2Pin interfaces are connected with LED.
2. web camera circuit according to claim 1, it is characterised in that：
The storage circuit includes Flash storage circuits and TFCARD storage circuits.
3. web camera circuit according to claim 2, it is characterised in that：
The Flash storage circuits include chip GD25Q64, and 1 foot, 2 feet, 5 feet and 6 feet of chip GD25Q64 connect chip respectively
75 feet, 59 feet, 61 feet and 74 feet of AK3918E, 7 feet, resistance R7 and the 3.3V DC power supply of chip GD25Q64 are sequentially connected,
3 feet, resistance R5 and the 3.3V DC power supply of chip GD25Q64 is sequentially connected.
4. web camera circuit according to claim 2, it is characterised in that：
The TFCARD storage circuits include TFCARD, and the both ends of resistance R40 connect 9 feet and 3.3V direct currents of TFCARD respectively
Source, 9 feet, 7 feet, 5 feet and 3 feet of TFCARD connect 65 feet, 64 feet, 63 feet and 62 feet of chip AK3918E respectively.
5. web camera circuit according to claim 1, it is characterised in that：
The audio input circuit includes microphone, 16 feet of chip AK3918E, resistance R128, resistance R127, magnetic bead FB11,
Microphone and ground terminal are sequentially connected, and 17 feet, capacitance C23 and the ground terminal of chip AK3918E are sequentially connected, chip AK3918E
17 feet and 16 feet between be connected to multiple filter capacitors.
6. web camera circuit according to claim 1, it is characterised in that：
The audio output circuit include 1 foot of chip FT2010,3.3V DC power supplies, resistance R130 and chip FT2010 sequentially
It is connected, 1 foot, capacitance C125 and the ground terminal of chip FT2010 are sequentially connected, 2 feet, capacitance C126 and the ground connection of chip FT2010
End is sequentially connected, and 3 feet, resistance R132, capacitance C128 and the ground terminal of chip FT2010 are sequentially connected, and the 19 of chip AK3918E
Foot, capacitance C130, resistance R134 and chip FT2010 4 feet be sequentially connected, 5 feet and 8 feet of chip FT2010 connect loudspeaker respectively.
7. web camera circuit according to claim 1, it is characterised in that：
The output end of the input termination AC-DC conversion circuits of the reduction voltage circuit, the input of AC-DC conversion circuits terminate alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374214.9U CN208079227U (en) | 2018-03-20 | 2018-03-20 | A kind of web camera circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374214.9U CN208079227U (en) | 2018-03-20 | 2018-03-20 | A kind of web camera circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208079227U true CN208079227U (en) | 2018-11-09 |
Family
ID=64046281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820374214.9U Expired - Fee Related CN208079227U (en) | 2018-03-20 | 2018-03-20 | A kind of web camera circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208079227U (en) |
-
2018
- 2018-03-20 CN CN201820374214.9U patent/CN208079227U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20210320 |
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| CF01 | Termination of patent right due to non-payment of annual fee |