CN204993677U - Video acquisition treatment circuit of medical treatment camera system - Google Patents
Video acquisition treatment circuit of medical treatment camera system Download PDFInfo
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- CN204993677U CN204993677U CN201520726735.2U CN201520726735U CN204993677U CN 204993677 U CN204993677 U CN 204993677U CN 201520726735 U CN201520726735 U CN 201520726735U CN 204993677 U CN204993677 U CN 204993677U
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Abstract
The utility model relates to a video acquisition treatment circuit of medical treatment camera system, sky including setting up above the operating table hangs the formula camera lens, sets up at the dive formula camera lens of implementing surgery location to and be used for the receipt sky to hang the formula camera lens and the video signal's of dive formula camera lens host computer, it hangs and is equipped with video capture chip and image manipulation chip in the formula camera lens, video capture chip is used for gathering outside image information, image manipulation chip is used for handling this image information to send to the host computer, be equipped with video capture chip and image manipulation chip in the dive formula camera lens, image manipulation chip is used for gathering outside image information, image manipulation chip is used for handling this image information to send to the host computer. Compared with the prior art, the utility model discloses a shooting of all -round multi -angle can be realized to the twin -lens.
Description
Technical field
The utility model relates to a kind of video acquisition treatment circuit, particularly a kind of video acquisition treatment circuit of medical camera system.
Background technology
When clinical treatment, particularly when doctor is when performing the operation, often needing to carry out carrying out observation surgical procedure by shooting, play in real time and record, can conveniently watch in surgical procedure, also can carry out demonstration lesson by video recording simultaneously.
But existing pick-up lens is single, the limited angle of shooting, is difficult to reduce the scene of whole operation and details.Particularly, at the discreet portions of operation, be difficult to shooting especially.
Utility model content
The utility model is that the shortcoming overcoming prior art is with not enough, provides a kind of video acquisition treatment circuit of medical camera system.
The utility model is achieved through the following technical solutions: a kind of video acquisition treatment circuit of medical camera system, comprise and be arranged on sky hanging camera lens above operating table, be arranged on the submersible type camera lens implementing surgery location, and for the main frame of the vision signal that receives day hanging camera lens and submersible type camera lens;
Video capture processor and picture processing chip is provided with in described sky hanging camera lens; Described video capture processor is for gathering outside image information, and described picture processing chip is used for this image information to process, and is sent to main frame;
Video capture processor and picture processing chip is provided with in described submersible type camera lens; Described picture processing chip is for gathering outside image information, and described picture processing chip is used for this image information to process, and is sent to main frame.
Compared to prior art, the utility model is by arranging two camera lenses, a sky hanging camera lens simultaneously, a submersible type camera lens, can respectively on and under observe the overall situation surgical procedure, meanwhile, the subtlety of the operation of doctor on operating table can be observed by submersible type camera lens.Meanwhile, by a main frame, the video gathered by two camera lenses carries out merging and plays and record, and is convenient to the viewing in surgical process, also may be used for formality instructional video and uses.
As further improvement of the utility model, the video capture processor of described sky hanging camera lens and submersible type camera lens inside all comprises: control module, driver module, illuminant module, sampling module and output module;
Described control module, it sends triggering signal to driver module for receiving outside triggering signal;
Described driver module, it for receiving the triggering signal of control module, and drives illuminant module work;
Described illuminant module, this light signal for receiving extraneous light signal, and is converted to the signal of telecommunication by it;
Described sampling module, the signal of telecommunication processed for carrying out sampling process to the signal of telecommunication of illuminant module, and is sent to output module by it;
Described output module, it is for being converted to digital signal by this signal of telecommunication, line output of going forward side by side.
Compared to prior art, the utility model by being divided into multiple functional module in video capture processor, and difference also by each functional module independence co-ordination, can realize low-power consumption, low-light (level), and can be the picture high definition more exported.
As further improvement of the utility model, described video capture processor also comprises one times of frequency module, and its frequency for the triggering signal inputted outside carries out doubling process, then is sent to control module.
As further improvement of the utility model, described video capture processor outside is provided with: for receive supply power voltage power port, for outputting video signal video signal port, for export row field signal row field signal port, for receiving reference voltage electricity reference signal port and frequently for receiving the clock signal port of external timing signal.
As further improvement of the utility model, described power port is circumscribed with one for the filter circuit of voltage stabilizing; Described filter circuit comprises an inductance and at least one electric capacity; Described inductance one end is connected with external power source, and the other end is connected with each electric capacity respectively, the other end of described each electric capacity and ground connection; Power port is accessed in one end that described inductance is connected with electric capacity.
As further improvement of the utility model, the picture processing chip of described sky hanging camera lens and submersible type camera lens inside all comprises: data sink, master controller, image processor and data logger;
Described data sink, it is for receiving outside view data;
Described master controller, it is for receiving outside triggering signal, and the operating state of the described data sink of corresponding control, image processor and data logger;
Described image processor, it is for processing image; Described image processor comprises a white balance permanent circuit, and it, for according to the parameter preset, carries out the fixed adjustment of white balance;
Described data logger, it is for exporting the view data after process.
Further by being divided into multiple functional module in picture processing chip, difference also by each functional module independence co-ordination, can realize low-power consumption, low-light (level), and can be the picture high definition more exported.Meanwhile, a white balance permanent circuit being set in this image processor further, for being fixed by this white balance parameter, without the need to operationally carrying out the adjustment of white balance, thus preventing the phenomenon of aberration interference.
As further improvement of the utility model, described picture processing chip also comprises a frequency multiplier, and its frequency for the triggering signal inputted outside carries out doubling process, then is sent to master controller.
As further improvement of the utility model, described image processor also comprises an exposure gain circuit, for increasing exposure gain size.
As further improvement of the utility model, described image processor also comprises an optical detection circuit and flash detection circuit, its brightness for detection image and flashing state, and result of detection is sent to exposure gain circuit.
As further improvement of the utility model, described picture processing chip outside is provided with: for receive supply power voltage power port, for receive picture signal receiver port, for outputting video signal video signal port, for export row field signal row field signal port, for receive external timing signal clock signal port, store the data receiver port and of data for receiving the PORT COM of external communication order for receiving.
In order to understand better and implement, describe the utility model in detail below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the connection diagram of the video acquisition treatment circuit of medical camera system of the present utility model.
Fig. 2 is the inside chip connection diagram of the video acquisition treatment circuit of medical camera system of the present utility model.
The internal circuit connection diagram of Fig. 3 formula video capture processor.
Fig. 4 is the outside port schematic diagram of video capture processor.
Fig. 5 is the circuit diagram of the power unit of video capture processor.
Fig. 6 is the circuit diagram of the 2.7V of video capture processor.
Fig. 7 is the circuit diagram of the 1.8V of video capture processor.
Fig. 8 is the circuit diagram of the 1.2V of video capture processor.
Fig. 9 is the interface enlarged drawing of video capture processor row field signal.
Figure 10 is the partial enlarged drawing of the reference signal port of video capture processor.
Figure 11 is the circuit diagram of the clock circuit of video capture processor.
Figure 12 is the circuit diagram of the configuration circuit of video capture processor.
Figure 13 is the internal circuit connection diagram of picture processing chip of the present utility model.
Figure 14 is the circuit module schematic diagram of image processor of the present utility model.
The voltage segment port circuit figure of Figure 15 picture processing chip.
Figure 16 is picture processing chip outside port circuit diagram.
Figure 17-19 is the power supply of picture processing chip is respectively the circuit diagram of 3.3V, 1.8V and 1.2V.
Figure 20 is the partial enlarged drawing of the receiver port of picture processing chip.
Figure 21 is the partial enlarged drawing of the video signal port of picture processing chip.
Figure 22 is the partial enlarged drawing of the row field signal port of picture processing chip.
Figure 23 is the schematic diagram of the clock circuit of picture processing chip.
Figure 24 is the schematic diagram of the memory circuit of picture processing chip.
Figure 25 is the partial enlarged drawing of the PORT COM of picture processing chip.
Embodiment
Refer to Fig. 1, it is the connection diagram of the video acquisition treatment circuit of medical camera system of the present utility model.The utility model provides a kind of video acquisition treatment circuit of medical camera system, it comprises and is arranged on sky hanging camera lens 1 above operating table, is arranged on the submersible type camera lens 2 implementing surgery location, and for the main frame 3 of the vision signal that receives day hanging camera lens 1 and submersible type camera lens 2.
Concrete, refer to Fig. 2, it is the inside chip connection diagram of the video acquisition treatment circuit of medical camera system of the present utility model.
Video capture processor 11 and picture processing chip 12 is provided with in described sky hanging camera lens 1; Described video capture processor is for gathering outside image information, and described picture processing chip 12 for this image information being processed, and is sent to main frame 3;
Video capture processor 21 and picture processing chip 22 is provided with in described submersible type camera lens; Described picture processing chip 21 is for gathering outside image information, and described picture processing chip 22 for this image information being processed, and is sent to main frame 3;
Further, below the connection of the internal circuit blocks of said chip is described respectively, specific as follows:
Refer to Fig. 3, it is the internal circuit connection diagram of video capture processor.
The video capture processor 11 of hanging camera lens inside, described sky and the video capture processor 21 of submersible type camera lens inside all comprise: control module 111, driver module 112, illuminant module 113, sampling module 114, output module 115 and doubly frequency module 116;
Described control module 111, it sends triggering signal to driver module 112 for receiving outside triggering signal;
Described driver module 112, it is for receiving the triggering signal of control module, and drives illuminant module 113 to work;
Described illuminant module 113, this light signal for receiving extraneous light signal, and is converted to the signal of telecommunication by it;
Described sampling module 114, the signal of telecommunication processed for carrying out sampling process to the signal of telecommunication of illuminant module, and is sent to output module 115 by it;
Described output module 115, it is for being converted to digital signal by this signal of telecommunication, line output of going forward side by side.
Described times of frequency module 116, its frequency for the triggering signal inputted outside carries out doubling process, then is sent to control module 111.
Concrete, refer to Fig. 4, it is the outside port schematic diagram of video capture processor.
Described video capture processor outside is provided with: the power port 101 for receiver voltage, the video signal port 102 for outputting video signal, for export row field signal row field signal port one 03, for receiving reference voltage electricity reference signal port one 04 frequently, for receiving the clock signal port 105 of external timing signal and the communication command port one 06 for receiving operate outside mode command.
Please refer to Fig. 5, it is the circuit diagram of the power unit of video capture processor.Concrete, the power unit in video capture processor adopts three kinds of voltages simultaneously, is respectively 2.7V, 1.8V, and 1.2V.
Please refer to Fig. 6-8, it is respectively the circuit diagram of 2.7V, 1.8V and 1.2V of video capture processor.Concrete, the input port 101 of three kinds of voltages of video capture processor is all circumscribed with one for the filter circuit of voltage stabilizing; Described filter circuit comprises an inductance and at least one electric capacity; Described inductance one end is connected with external power source, and the other end is connected with each electric capacity respectively, the other end of described each electric capacity and ground connection; Power port is accessed in one end that described inductance is connected with electric capacity.Wherein, the voltage place in circuit of 2.7V and 1.8V comprises four electric capacity, and the voltage place in circuit of 1.2V comprises three electric capacity, to filter the interference signal of different frequency.
Refer to Fig. 9, it is the interface enlarged drawing of row field signal.Further, described row field signal port one 03 is circumscribed with one for providing the resistance of signal strength signal intensity.By this row field signal, for controlling frequency and the order of video frequency output.Such as: the display frequency of vision signal on screen and DISPLAY ORDER can be controlled, can be from every line output under upper, also can be export from left to right.
Refer to Figure 10, it is the partial enlarged drawing of the reference signal port of video capture processor.Further, described reference signal port one 04 is circumscribed with the electric capacity as voltage electricity frequency reference data.In the present embodiment, described reference signal port has 7, the electric capacity of the external 1uF of each port.
Refer to Figure 11, it is the circuit diagram of the clock circuit of video capture processor.The external clock circuit of described clock signal port 105, it comprises a clock and to shake chip; The shake power end of chip of described clock is connected with power supply by a filter circuit, and the shake output of chip of this clock is connected with described clock signal port by a debug circuit; Described filter circuit comprises and being made up of an inductance and capacitances in series, and one end of described inductance is connected with power supply, and the other end is connected with electric capacity, and the other end ground connection of this electric capacity; Described clock shake chip power end with to be connected and between inductance and electric capacity; Described debug circuit is made up of resistance and electric capacity; One end of the resistance of this debug circuit is connected with the output of Zhong Zhen, and the other end is connected with electric capacity, and the other end ground connection of this electric capacity; Described clock signal port is connected between this resistance and electric capacity.
Refer to Figure 12, it is the circuit diagram of the configuration circuit of video capture processor.Further, described communication command port one 06, it is circumscribed with a mode of operation configuration circuit; Described configuration circuit is made up of two resistant series, and described communication command port is connected between two resistance.
Refer to Figure 13, it is the internal circuit connection diagram of picture processing chip of the present utility model.
The picture processing chip of described sky hanging camera lens and submersible type camera lens inside all comprises: data sink 121, master controller 122, image processor 123 and data logger 124;
Described data sink 121, it is for receiving outside view data;
Described master controller 122, it is for receiving outside triggering signal, and the operating state of the described data sink of corresponding control, image processor and data logger;
Described image processor 123, it is for processing image;
Described data logger 124, it is for exporting the view data after process.
Further, described picture processing chip also comprises a frequency multiplier 125, and its frequency for the triggering signal inputted outside carries out doubling process, then is sent to master controller 122.
Refer to Figure 14, it is the circuit module schematic diagram of image processor of the present utility model.
Concrete, described image processor 123 comprises a Lens Shading Compensation circuit 1231, optical detection circuit 1232, flash detection circuit 1233, exposure gain circuit 1234 and white balance permanent circuit 1235.
Described Lens Shading Compensation circuit 1231, it compensates process for the shade produced by camera lens.
Described optical detection circuit 1232 and flash detection circuit 1233, its brightness for detection image and flashing state, and result of detection is sent to exposure gain circuit.
Described exposure gain circuit 1234, for increasing exposure gain size.
Described white balance permanent circuit 1235, it, for according to the parameter preset, carries out the fixed adjustment of white balance.
Please refer to Figure 15 and Figure 16, it is respectively voltage segment and other outside port circuit diagrams of picture processing chip.In addition, in order to the application in order to adapt to this video capture processor, be provided with in described video capture processor outside further: for receive supply power voltage power port 201, for receive picture signal receiver port 202, for outputting video signal video signal port 203, for export row field signal row field signal port 204, for receive external timing signal clock signal port 205, for receive store data data receiver port 206 and one for receiving the PORT COM 207 of external communication order.
Refer to Figure 17-19, its power supply being respectively picture processing chip is the circuit diagram of 3.3V, 1.8V and 1.2V.Further, described power port 201 is circumscribed with one for the filter circuit of voltage stabilizing; Described filter circuit comprises an inductance and at least one electric capacity; Described inductance one end is connected with external power source, and the other end is connected with each electric capacity respectively, the other end of described each electric capacity and ground connection; Power port is accessed in one end that described inductance is connected with electric capacity.Concrete, the external voltage of video capture processor of the present utility model comprises: 3.3V, 1.8V and 1.2V tri-kinds.Wherein, 3.3V voltage place in circuit comprises 2 electric capacity, and 1.8V voltage place in circuit comprises 5 electric capacity, and the voltage place in circuit of 1.2V comprises 6 electric capacity, to filter the interference signal of different frequency respectively.
Refer to Figure 20, it is the partial enlarged drawing of the receiver port of picture processing chip.Described receiver port 202 comprises 8 pins, for receiving outside video signal.
Refer to Figure 21, it is the partial enlarged drawing of the video signal port of picture processing chip.Described video signal port 203 comprises the vision signal of two groups of different-formats, carries out doubleway output, plays in real time respectively to facilitate and records.
Refer to Figure 22, it is the partial enlarged drawing of the row field signal port of picture processing chip.Described row field signal port 204 is for controlling frequency and the order of video frequency output.Such as: the display frequency of vision signal on screen and DISPLAY ORDER can be controlled, can be from every line output under upper, also can be export from left to right.
Refer to Figure 23, it is the schematic diagram of the clock circuit of picture processing chip.The external clock circuit of described clock signal port 205, it comprises a clock and to shake chip; The shake power end of chip of described clock is connected with power supply by a filter circuit, and the shake output of chip of this clock is connected with described clock signal port by a debug circuit; Described filter circuit comprises and being made up of an inductance and capacitances in series, and one end of described inductance is connected with power supply, and the other end is connected with electric capacity, and the other end ground connection of this electric capacity; Described clock shake chip power end with to be connected and between inductance and electric capacity; Described debug circuit is made up of resistance and electric capacity; One end of the resistance of this debug circuit is connected with the output of Zhong Zhen, and the other end is connected with electric capacity, and the other end ground connection of this electric capacity; Described clock signal port is connected between this resistance and electric capacity.
Refer to Figure 24, it is the schematic diagram of the memory circuit of picture processing chip.Further, described data receiver port 206 is circumscribed with a memory circuitry, and it comprises a memory, is connected to the filter circuit of the voltage port of this memory, and is connected to the resistance of output port of this memory.
Refer to Figure 25, it is the partial enlarged drawing of the PORT COM of picture processing chip.Described PORT COM 207, for receiving the trigger command of external transmission, carries out work with what trigger this picture processing chip.
Below the course of work of video acquisition treatment circuit of the present utility model is described:
S11: carry out circuit access according to above-mentioned requirement by the outside port of this video capture processor and picture processing chip;
S12: when video capture processor is energized, first carries out multiplication by this frequency multiplier by input voltage frequency and regulates, to adapt to current operating frequency;
S13: described controller sends triggering signal to driver, is worked by driver drives photoreceptor;
S14: when light is irradiated on photoreceptor, is converted to the signal of telecommunication by this photoreceptor by light signal, and transfers to sampler;
S15: when sampler receives the signal of telecommunication from photoreceptor, carries out sampling process to this signal of telecommunication, and the signal of telecommunication processed is sent to follower;
S16: this signal of telecommunication is converted to digital signal finally by described follower, line output of going forward side by side is to picture processing chip.
S17: described data sink receives outside view data;
S8: described image processor processes image.Specifically respectively by described Lens Shading Compensation circuit, the shade that camera lens produces is compensated process; By brightness and the flashing state of described optical detection circuit and flash detection circuit detection image, and result of detection is sent to exposure gain circuit; Then exposure gain size is increased by described exposure gain circuit.Last again by described white balance permanent circuit according to default parameter, carry out the fixed adjustment of white balance.
S19: the view data after process carries out exporting main frame to by described data logger.
Compared to prior art, the utility model is by arranging two camera lenses, a sky hanging camera lens simultaneously, a submersible type camera lens, can respectively on and under observe the overall situation surgical procedure, meanwhile, the subtlety of the operation of doctor on operating table can be observed by submersible type camera lens.Meanwhile, by a main frame, the video gathered by two camera lenses carries out merging and plays and record, and is convenient to the viewing in surgical process, also may be used for formality instructional video and uses.
Further, the utility model by being divided into multiple functional module in video capture processor, and difference also by each functional module independence co-ordination, can realize low-power consumption, low-light (level), and can be the picture high definition more exported.
Simultaneously by being divided into multiple functional module in picture processing chip, difference also by each functional module independence co-ordination, can realize low-power consumption, low-light (level), and can be the picture high definition more exported.Meanwhile, a white balance permanent circuit being set in this image processor further, for being fixed by this white balance parameter, without the need to operationally carrying out the adjustment of white balance, thus preventing the phenomenon of aberration interference.
The utility model is not limited to above-mentioned execution mode, if do not depart from spirit and scope of the present utility model to various change of the present utility model or distortion, if these are changed and distortion belongs within claim of the present utility model and equivalent technologies scope, then the utility model is also intended to comprise these changes and distortion.
Claims (10)
1. the video acquisition treatment circuit of a medical camera system, it is characterized in that: comprise and be arranged on sky hanging camera lens above operating table, be arranged on the submersible type camera lens implementing surgery location, and for the main frame of the vision signal that receives day hanging camera lens and submersible type camera lens;
Video capture processor and picture processing chip is provided with in described sky hanging camera lens; Described video capture processor is for gathering outside image information, and described picture processing chip is used for this image information to process, and is sent to main frame;
Video capture processor and picture processing chip is provided with in described submersible type camera lens; Described picture processing chip is for gathering outside image information, and described picture processing chip is used for this image information to process, and is sent to main frame.
2. the video acquisition treatment circuit of medical camera system according to claim 1, is characterized in that: the video capture processor of described sky hanging camera lens and submersible type camera lens inside all comprises: control module, driver module, illuminant module, sampling module and output module;
Described control module, it sends triggering signal to driver module for receiving outside triggering signal;
Described driver module, it for receiving the triggering signal of control module, and drives illuminant module work;
Described illuminant module, this light signal for receiving extraneous light signal, and is converted to the signal of telecommunication by it;
Described sampling module, the signal of telecommunication processed for carrying out sampling process to the signal of telecommunication of illuminant module, and is sent to output module by it;
Described output module, it is for being converted to digital signal by this signal of telecommunication, line output of going forward side by side.
3. the video acquisition treatment circuit of medical camera system according to claim 2, it is characterized in that: described video capture processor also comprises one times of frequency module, its frequency for the triggering signal inputted outside carries out doubling process, then is sent to control module.
4. the video acquisition treatment circuit of medical camera system according to claim 3, is characterized in that: described video capture processor outside is provided with: for receive supply power voltage power port, for outputting video signal video signal port, for export row field signal row field signal port, for receiving reference voltage electricity reference signal port and frequently for receiving the clock signal port of external timing signal.
5. the video acquisition treatment circuit of medical camera system according to claim 4, is characterized in that: described power port is circumscribed with one for the filter circuit of voltage stabilizing; Described filter circuit comprises an inductance and at least one electric capacity; Described inductance one end is connected with external power source, and the other end is connected with each electric capacity respectively, the other end of described each electric capacity and ground connection; Power port is accessed in one end that described inductance is connected with electric capacity.
6. the video acquisition treatment circuit of medical camera system according to claim 1, is characterized in that: the picture processing chip of described sky hanging camera lens and submersible type camera lens inside all comprises: data sink, master controller, image processor and data logger;
Described data sink, it is for receiving outside view data;
Described master controller, it is for receiving outside triggering signal, and the operating state of the described data sink of corresponding control, image processor and data logger;
Described image processor, it is for processing image; Described image processor comprises a white balance permanent circuit, and it, for according to the parameter preset, carries out the fixed adjustment of white balance;
Described data logger, it is for exporting the view data after process.
7. the video acquisition treatment circuit of medical camera system according to claim 6, it is characterized in that: described picture processing chip also comprises a frequency multiplier, its frequency for the triggering signal inputted outside carries out doubling process, then is sent to master controller.
8. the video acquisition treatment circuit of medical camera system according to claim 7, is characterized in that: described image processor also comprises an exposure gain circuit, for increasing exposure gain size.
9. the video acquisition treatment circuit of medical camera system according to claim 8, it is characterized in that: described image processor also comprises an optical detection circuit and flash detection circuit, its brightness for detection image and flashing state, and result of detection is sent to exposure gain circuit.
10. the video acquisition treatment circuit of medical camera system according to claim 9, is characterized in that: described picture processing chip outside is provided with: for receive supply power voltage power port, for receive picture signal receiver port, for outputting video signal video signal port, for export row field signal row field signal port, for receive external timing signal clock signal port, for receive store data data receiver port and for receiving the PORT COM of external communication order.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520726735.2U CN204993677U (en) | 2015-09-18 | 2015-09-18 | Video acquisition treatment circuit of medical treatment camera system |
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| CN201520726735.2U CN204993677U (en) | 2015-09-18 | 2015-09-18 | Video acquisition treatment circuit of medical treatment camera system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109117834A (en) * | 2018-11-02 | 2019-01-01 | 广州市皓品信息科技有限公司 | A kind of two-way camera lens skin image capture means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109117834A (en) * | 2018-11-02 | 2019-01-01 | 广州市皓品信息科技有限公司 | A kind of two-way camera lens skin image capture means |
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Granted publication date: 20160120 Termination date: 20200918 |