CN219206862U - Self-adaptive camera module circuit of endoscope system - Google Patents
Self-adaptive camera module circuit of endoscope system Download PDFInfo
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- CN219206862U CN219206862U CN202320252752.1U CN202320252752U CN219206862U CN 219206862 U CN219206862 U CN 219206862U CN 202320252752 U CN202320252752 U CN 202320252752U CN 219206862 U CN219206862 U CN 219206862U
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Abstract
The utility model relates to a self-adaptive camera module circuit of an endoscope system, wherein a camera module comprises a first camera module and a second camera module, and the circuit comprises a camera module identification circuit module, a first chip circuit module, a second chip circuit module, a first analog switch circuit module and a second analog switch circuit module; the camera module identification circuit module is used for detecting and identifying a camera module; the first analog switch circuit module is used for switching the first camera module to be connected with the first chip circuit module or switching the second camera module to be connected with the second chip circuit module; the second analog switch circuit module is used for switching the first chip circuit module to be connected with the endoscope system or switching the second chip circuit to be connected with the endoscope system, so that the chip circuits matched with the first chip circuit module can be self-adapted according to different camera modules, and the problem that an endoscope host can only be adapted to the camera modules matched with the first chip circuit module and cannot be universally used is effectively solved.
Description
Technical Field
The utility model relates to the technical field of endoscopes, in particular to an endoscope system self-adaptive camera module circuit.
Background
The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics, software and the like, and is provided with components such as an image sensor, an optical lens, a light source illumination, a mechanical device and the like.
In order to facilitate the operation of a user, an endoscope host is usually provided with an endoscope handle, the endoscope handle is provided with a camera module, the camera module is one of important components of the endoscope, however, when the existing endoscope handle is matched with the endoscope host in use, the existing endoscope handle is single, one endoscope host can only be matched with the endoscope handle matched with the existing endoscope handle, the endoscope host and the camera module on the endoscope handle are matched for use, namely, the camera module is what chip is the camera module, then the inside of the endoscope host is also a circuit corresponding to the camera module chip and used for converting image data, otherwise, the endoscope host cannot receive correct image data, for example, a host image processing board is an endoscope host of OK_ES201 model, a sensor matched with the host image processing board is OV6948, if a sensor of another model is used, the endoscope host of OK_ES201 model cannot be matched with the sensor of the other endoscope, in addition, the endoscope host matched with the sensor of the other model is required to be used, and the endoscope host cannot be widely used in the field of the endoscope system, and the problem of the endoscope system cannot be widely matched with the endoscope host is solved.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide an endoscope system self-adaptive camera module circuit aiming at the defects in the prior art.
The technical scheme adopted for solving the technical problems is as follows: an endoscope system self-adapting camera module circuit, wherein the camera module comprises a first camera module and a second camera module, and the circuit comprises a camera module identification circuit module, a first chip circuit module, a second chip circuit module, a first analog switch circuit module and a second analog switch circuit module; the camera module identification circuit module is used for detecting and identifying a camera module; the first analog switch circuit module is used for switching the connection of the first camera module and the first chip circuit module or switching the connection of the second camera module and the second chip circuit module; the second analog switch circuit module is used for switching the first chip circuit module to be connected with the endoscope system or switching the second chip circuit module to be connected with the endoscope system.
Preferably, the first analog switch circuit module includes a first analog switch chip, and the first analog switch chip is provided with a sen0_xclk signal terminal, a sen0_pwdn signal terminal, a sen0_scl signal terminal, and a sen0_sda signal terminal, which are connected to the first chip circuit module, and a sen1_xclk signal terminal, a sen1_pwdn signal terminal, a sen1_scl signal terminal, and a sen1_sda signal terminal, which are connected to the second chip circuit module.
Preferably, the VCC terminal of the first analog switch chip is connected with a first resistor and a first capacitor, the other end of the first resistor is connected with a first power supply terminal, the other end of the first capacitor is grounded, and the GND terminal of the first analog switch chip is also grounded.
Preferably, the second analog switch circuit module includes a second analog switch chip, and the second analog switch chip is provided with a sen0_aclk signal terminal and a sen0_vout signal terminal connected with the first chip circuit module, and a sen1_aclk signal terminal and a sen1_vout signal terminal connected with the second chip circuit module, and a gpio_s03 signal terminal and a gpio_s04 signal terminal connected with the endoscope system.
Preferably, the VDD terminal of the second analog switch chip is connected to a second resistor and a second capacitor, the other end of the second resistor is connected to a second power supply terminal, the other end of the second capacitor is grounded, and the GND terminal of the second analog switch chip is also grounded.
Preferably, the first chip circuit module and the second chip circuit module are both provided with DVP ports, and the second analog switch circuit module switches the first chip circuit module DVP port to be connected with the endoscope system, or switches the second chip circuit module DVP port to be connected with the endoscope system.
Preferably, the first chip circuit module includes a first image sensor chip, and the model of the first image sensor chip is OV426.
Preferably, the second chip circuit module includes a second image sensor chip, and the model of the second image sensor chip is OV420.
The utility model has the beneficial effects that: the self-adaptive camera module circuit of the endoscope system comprises a camera module identification circuit module, a first chip circuit module, a second chip circuit module, a first analog switch circuit module and a second analog switch circuit module; the type of the camera module can be detected and identified through the camera module identification circuit module, then the first analog switch circuit module and the second analog switch circuit module are switched to the first chip circuit module or the second chip circuit module corresponding to the camera module according to the type of the identified camera module, and the first chip circuit module or the second chip circuit module is switched to be connected to an endoscope system, so that the chip circuits matched with the camera module can be self-adapted according to different camera modules, and the problem that an endoscope host can only be adapted to the camera module matched with the endoscope host and cannot be universally used is effectively solved.
Drawings
FIG. 1 is a schematic diagram of connection of an endoscope self-adapting camera module circuit in an embodiment of the present utility model;
FIG. 2 is a schematic circuit diagram of a camera module identification circuit module according to an embodiment of the utility model;
FIG. 3 is a schematic circuit diagram of a first analog switch circuit module according to an embodiment of the utility model;
FIG. 4 is a schematic circuit diagram of a second analog switch circuit module according to an embodiment of the utility model;
FIG. 5 is a circuit schematic of a first chip circuit module according to an embodiment of the utility model;
FIG. 6 is a schematic circuit diagram of a second chip circuit module according to an embodiment of the utility model;
in the figure, the name and the serial number are marked: a first camera module-1; a second camera module-2; a camera module identification circuit module-3; a first chip circuit module-4; a second chip circuit module-5; a first analog switch circuit module-6; a second analog switch circuit module-7; an endoscope system-8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a worker of ordinary skill in the art based on the embodiments of the utility model without undue effort, are within the scope of the utility model. Furthermore, directional terms, such as "upper", "lower", "inner", "outer", etc., in the present utility model are merely referring to the directions of the attached drawings, and are used for better and more clear description and understanding of the present utility model, and do not indicate or imply a necessary orientation of the present utility model, and thus should not be construed as limiting the present utility model.
In the embodiment of the utility model, as shown in fig. 1, an endoscope system self-adapting camera module circuit is provided, wherein a camera module comprises a first camera module 1 and a second camera module 2, and the circuit comprises a camera module identification circuit module 3, a first chip circuit module 4, a second chip circuit module 5, a first analog switch circuit module 6 and a second analog switch circuit module 7; the camera module identification circuit module 3 is used for detecting and identifying a camera module; the first analog switch circuit module 6 is used for switching the connection between the first camera module 1 and the first chip circuit module 4 or switching the connection between the second camera module 2 and the second chip circuit module 5; the second analog switch circuit module 7 is used for switching the connection of the first chip circuit module 4 and the endoscope system 8 or switching the connection of the second chip circuit module 5 and the endoscope system 8.
When the camera module identification circuit module 3, the first chip circuit module 4, the second chip circuit module 5, the first analog switch circuit module 6 and the second analog switch circuit module 7 are arranged on an interface board in advance, and when the first camera module 1 or the second camera module 2 is plugged on the interface board, the camera module identification circuit module 3 can perform power-on detection identification on the camera module, and different camera modules have different ID identification levels so that the camera module identification circuit module 3 can identify whether the camera module is the first camera module 1 or the second camera module 2 according to the different identification ID identification levels; the camera module identification circuit module 3 includes an interface chip U4624, where the model of U4624 is ds2484r+t, refer to fig. 2.
The first camera module 1 is correspondingly connected with the first chip circuit module 4 to realize image data conversion of the first camera module 1, and the second camera module 2 is correspondingly connected with the second chip circuit module 5 to realize image data conversion of the second camera module 2.
For example, if the first camera module 1 is detected, the first analog switch circuit module 6 switches the first camera module 1 to be electrically connected with the first chip circuit module 4, and the second chip circuit module 5 is shielded from electrical connection; the second analog switch circuit module 7 is used for switching the first chip circuit module 4 to realize data transmission connection with the endoscope system 8, and the second chip circuit module 5 is shielded and has no data transmission connection; similarly, if the second camera module 2 is detected, the first analog switch circuit module 6 switches the second camera module 2 to be electrically connected with the second chip circuit module 5, and the first chip circuit module 4 is shielded from electrical connection; the second analog switch circuit module 7 switches the second chip circuit module 5 to realize data transmission connection with the endoscope system 8, and the first chip circuit module 4 is shielded from data transmission connection.
Further, as shown in fig. 3, the first analog switch circuit module 6 includes a first analog switch chip U4906, the model number of U4906 is SGM65232, the first analog switch chip U4906 is provided with a sen0_xclk signal terminal, a sen0_pwdn signal terminal, a sen0_scl signal terminal, and a sen0_sda signal terminal connected to the first chip circuit module 4, and a sen1_xclk signal terminal, a sen1_pwdn signal terminal, a sen1_scl signal terminal, and a sen1_sda signal terminal connected to the second chip circuit module 5; the VCC terminal of the first analog switch chip U4906 is connected to a first resistor R5615 and a first capacitor C2338, the other end of the first resistor R5615 is connected to the first power supply terminal vdd_5v_io, the other end of the first capacitor C2338 is grounded, and the GND terminal of the first analog switch chip U4906 is also grounded.
Further, as shown in fig. 4, the second analog switch circuit module 7 includes a second analog switch chip U4606, the model number of U4606 is TMUX1136DGSR, the second analog switch chip U4606 is provided with a sen0_aclk signal terminal and a sen0_vout signal terminal connected with the first chip circuit module 4, and a sen1_aclk signal terminal and a sen1_vout signal terminal connected with the second chip circuit module 5, and a gpio_s03 signal terminal and a gpio_s04 signal terminal connected with the endoscope system 8; the VDD terminal of the second analog switch chip U4606 is connected to the second resistor R5689 and the second capacitor C2337, the other end of the second resistor R5689 is connected to the second power source terminal vdd_3v3_io, the other end of the second capacitor C2337 is grounded, and the GND terminal of the second analog switch chip U4606 is also grounded.
In this embodiment, the first chip circuit module 4 and the second chip circuit module 5 are both provided with DVP (Digital Video Port ) ports, and in practical application, the second analog switch circuit module 7 may be connected to the endoscope system 8 by switching the DVP ports of the first chip circuit module 4 or by switching the DVP ports of the second chip circuit module 5.
In this embodiment, the first chip circuit module 4 and the second chip circuit module 5 are used as image data conversion circuits, and are respectively used for performing data conversion on the image data collected by the first camera module 1 and the second camera module 2 and then sending the image data to the processor of the endoscope system, referring to fig. 4 and fig. 5, the first chip circuit module 4 includes a first image sensor chip U4614, and the model of the first image sensor chip U4614 is OV426, specifically OV426_bga; the second chip circuit module 5 includes a second image sensor chip U4610, and the model number of the second image sensor chip U4610 is OV420, specifically ov420_wcsp.
In this embodiment, the first camera module 1 is an OV6946 module, and the second camera module 2 is an OV6940 module.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (8)
1. An endoscope system self-adaptation camera module circuit, the camera module includes first camera module and second camera module, its characterized in that: the circuit comprises a camera module identification circuit module, a first chip circuit module, a second chip circuit module, a first analog switch circuit module and a second analog switch circuit module; the camera module identification circuit module is used for detecting and identifying a camera module; the first analog switch circuit module is used for switching the connection of the first camera module and the first chip circuit module or switching the connection of the second camera module and the second chip circuit module; the second analog switch circuit module is used for switching the first chip circuit module to be connected with the endoscope system or switching the second chip circuit module to be connected with the endoscope system.
2. The endoscope system self-adapting camera module circuit of claim 1, wherein: the first analog switch circuit module comprises a first analog switch chip, and the first analog switch chip is provided with a SEN0_XCLK signal end, a SEN0_PWDN signal end, a SEN0_SCL signal end and a SEN0_SDA signal end which are connected with the first chip circuit module, and a SEN1_XCLK signal end, a SEN1_PWDN signal end, a SEN1_SCL signal end and a SEN1_SDA signal end which are connected with the second chip circuit module.
3. The endoscope system self-adapting camera module circuit of claim 2, wherein: the VCC end of first analog switch chip is connected with first resistance and first electric capacity respectively, the other end of first resistance is connected with first power end, the other end ground connection of first electric capacity, the GND end of first analog switch chip also ground connection.
4. The endoscope system self-adapting camera module circuit of claim 1, wherein: the second analog switch circuit module comprises a second analog switch chip, wherein the second analog switch chip is provided with a SEN0_ACLK signal end and a SEN0_VOUT signal end which are connected with the first chip circuit module, a SEN1_ACLK signal end and a SEN1_VOUT signal end which are connected with the second chip circuit module, and a GPIO_S03 signal end and a GPIO_S04 signal end which are connected with the endoscope system.
5. The endoscope system self-adapting camera module circuit according to claim 4, wherein: the VDD end of the second analog switch chip is respectively connected with a second resistor and a second capacitor, the other end of the second resistor is connected with a second power end, the other end of the second capacitor is grounded, and the GND end of the second analog switch chip is also grounded.
6. The endoscope system self-adapting camera module circuit of claim 1, wherein: the first chip circuit module and the second chip circuit module are respectively provided with a DVP port, and the second analog switch circuit module switches the DVP port of the first chip circuit module to be connected with the endoscope system or switches the DVP port of the second chip circuit module to be connected with the endoscope system.
7. The endoscope system self-adapting camera module circuit of claim 1, wherein: the first chip circuit module includes a first image sensor chip, which is of model number OV426.
8. The endoscope system self-adapting camera module circuit of claim 1, wherein: the second chip circuit module comprises a second image sensor chip, and the model of the second image sensor chip is OV420.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252752.1U CN219206862U (en) | 2023-02-07 | 2023-02-07 | Self-adaptive camera module circuit of endoscope system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252752.1U CN219206862U (en) | 2023-02-07 | 2023-02-07 | Self-adaptive camera module circuit of endoscope system |
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| Publication Number | Publication Date |
|---|---|
| CN219206862U true CN219206862U (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320252752.1U Active CN219206862U (en) | 2023-02-07 | 2023-02-07 | Self-adaptive camera module circuit of endoscope system |
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| CN (1) | CN219206862U (en) |
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- 2023-02-07 CN CN202320252752.1U patent/CN219206862U/en active Active
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