CN101614870A - Electronic endoscope - Google Patents

Abstract

The invention relates to an electronic endoscope, which includes a probe and an endoscope control device. The endoscope control device is connected to the probe through a signal line, wherein the endoscope control device includes an infrared illuminating laser, and the electronic endoscope also includes The illumination fiber is included, and the infrared illumination laser is connected with the illumination optical fiber. The electronic endoscope with this structure can transmit the infrared laser to the place that needs to be illuminated for illumination when the external light is insufficient. The electronic endoscope control device has the functions of control, power supply, display image and illumination output. The image signal processing module Receive and process the image signal from the imaging device, convert it into a video image signal and send it to the display screen, and the user observes the image for monitoring work. It is not only suitable for various special applications, but also small in size, light in weight and simple in structure. It is convenient and flexible to use, with strong concealment by infrared light lighting, stable and reliable working performance, and a wide range of applications, especially suitable for secret investigations and other activities.

Description

Electronic endoscope

technical field

The present invention relates to the field of public security, in particular to the technical field of public electronic security monitoring, in particular to an electronic endoscope.

Background technique

Due to its flexible probe, the electronic endoscope can be extended into a small space or gap for observation and to obtain internal images. Therefore, the electronic endoscope can be widely used in clinical medicine, industrial detection, security inspection and other fields.

The invention patent of the People's Republic of China with application number 200710018533.2 discloses a snake-shaped wireless electronic endoscope, which uses a wireless signal transceiver device to receive image signals, avoiding the problem of difficult operation caused by signal cable failures. The invention patent of the People's Republic of China whose application number is 200610126495.8 discloses an electronic endoscope, which replaces the imaging device of the electronic endoscope with an imaging device of different specifications.

Electronic endoscopes are generally equipped with lighting systems that can work in dark conditions. At present, the illumination of the electronic endoscope generally adopts visible light illumination, and the light source is a metal halide lamp or a strong light-emitting diode. In some special applications, it is not suitable to use visible light illumination. For example, in some operations in the public security field, if visible light illumination is used for secret reconnaissance, it is easy to be found to expose the target, so the electronic endoscope with visible light illumination cannot meet some special applications. need.

Contents of the invention

The object of the present invention is to overcome the above-mentioned shortcomings in the prior art, and provide an electronic internal device suitable for various special applications, simple in structure, convenient and flexible in use, strong in concealment, stable and reliable in working performance, and wide in scope of application. looking glass.

In order to achieve the above object, the electronic endoscope of the present invention has the following structure:

The electronic endoscope includes a probe and an endoscope control device, the endoscope control device is connected to the probe through a signal line, and its main feature is that the endoscope control device includes Infrared illuminating laser, the electronic endoscope also includes illuminating fiber, and the infrared illuminating laser is connected with the illuminating optical fiber.

The infrared illumination laser in the electronic endoscope can be a solid-state laser or a semiconductor laser, and the wavelength range of the infrared illumination laser is 785nm-1560nm, and the output power range is 250mW-5W.

The illuminating optical fiber in the electronic endoscope can be a single-mode optical fiber or a multi-mode optical fiber, and the core diameter of the illuminating optical fiber ranges from Φ0.01 mm to Φ20 mm.

The endoscope control device in the electronic endoscope also includes a power supply module, an image signal processing module, and a display module, and the described power supply module is connected to the infrared illumination laser, image signal processing module, and display module respectively. connected, the probe is connected to the display module through the signal line and the image signal processing module in turn.

The power supply module in the electronic endoscope includes a DC power supply unit and a control switch, and the control switch is connected with the DC power supply unit.

The display module in the electronic endoscope is a display screen.

The signal wires and the lighting optical fiber in the electronic endoscope are all passed through a flexible sleeve.

The signal line in the electronic endoscope is connected with the endoscope control device through the probe bending control mechanism.

The probe bending control mechanism in the electronic endoscope is a probe bending control knob.

The probe in the electronic endoscope includes an imaging device and an optical lens, and the optical lens is connected to the signal line through the imaging device.

Adopting the electronic endoscope of this invention, since it has an illuminating fiber and an infrared illuminating laser, when the external light is insufficient, the electronic endoscope control device can turn on the infrared illuminating laser, and send out the infrared illuminating laser through the illuminating optical fiber. The infrared laser is transmitted to the place that needs to be illuminated for illumination. At the same time, the imaging device collects images through the optical lens, and transmits the image signal to the electronic endoscope control device through the signal line. The electronic endoscope control device has the functions of control, power supply, and display images. And lighting output function, the image signal processing module in it receives and processes the image signal from the imaging device, converts it into a video image signal for screen display, and transmits it to the display screen. The corresponding monitoring work is not only suitable for various special applications, but also small in size, light in weight, simple in structure, convenient and flexible in use, strong in concealment by using infrared light lighting, stable and reliable in working performance, and has a wide range of applications, especially suitable for Secret investigation and other activities.

Description of drawings

Fig. 1 is a schematic diagram of the basic structure of the electronic endoscope of the present invention.

Fig. 2 is a schematic diagram of the functional modules of the endoscope control device in the electronic endoscope of the present invention.

Fig. 3 is a schematic structural view of an embodiment of the electronic endoscope of the present invention.

Detailed ways

In order to understand the technical content of the present invention more clearly, the following examples are given in detail.

1 to 3, the electronic endoscope includes a probe 1 and an endoscope control device 2, and the endoscope control device 2 is connected to the probe 1 through a signal line 3, wherein , the endoscope control device 2 includes an infrared illuminating laser 21 , and the electronic endoscope also includes an illuminating fiber 4 , and the infrared illuminating laser 21 is connected to the illuminating optical fiber 4 .

Wherein, the infrared illumination laser 21 can be a solid-state laser or a semiconductor laser, and the wavelength range of the infrared illumination laser 21 is 785nm-1560nm, and the output power range is 250mW-5W; the illumination optical fiber 4 can be a single-mode optical fiber or multimode fiber, and the core diameter of the illumination fiber 4 ranges from Φ0.01mm to Φ20mm; the probe 1 includes an imaging device 11 and an optical lens 12, and the optical lens 12 passes through the imaging device 11 and the The signal lines 3 are connected to each other.

At the same time, the endoscope control device 2 in the electronic endoscope also includes a power supply module, an image signal processing module 22, and a display module 23, and the described power supply module is connected with the infrared illumination laser 21, the image signal processing The module 22 is connected to the display module 23, and the probe 1 is connected to the display module 23 through the signal line 3 and the image signal processing module 22 in turn; the power module includes a DC power supply unit 24 and A control switch 25, the control switch 25 is connected to the DC power supply unit 24; the display module 23 is a display screen, and the signal line 3 and the lighting optical fiber 4 are all passed through a flexible sleeve 5 middle.

Furthermore, the signal line 3 in the electronic endoscope is connected to the endoscope control device 2 through the probe bending control mechanism 6 , and the probe bending control mechanism 6 is a probe bending control knob 6 .

In actual use, the infrared laser illumination electronic endoscope of the present invention includes an electronic endoscope control device 2 , a signal line 3 , an imaging device 11 , an optical lens 12 , and an illumination fiber 4 . The imaging device 11 collects images through the optical lens 12 and transmits them to the electronic endoscope control device 2 through the signal line 3 . The electronic endoscope control device is composed of an image signal processing module 22, a DC power supply 24, a display screen 23, an infrared laser 21 and a control switch 25, and has the functions of control, power supply, image display and lighting output. When the external light is insufficient, the electronic endoscope control device 2 turns on the infrared laser 21, and transmits the infrared laser emitted by the infrared laser 21 to the place requiring illumination through the illumination fiber 4 for illumination.

The electronic endoscope control device 2 has the functions of control, power supply, image display and illumination output. The infrared laser 21 used for illumination is a solid-state laser or a semiconductor laser with a wavelength range between 785nm and 1560nm and an output power range of 250mW ~5W; the illumination fiber 4 used is a single-mode fiber or a multi-mode fiber, and the core diameter of the fiber is between Φ0.01mm~Φ20mm.

In a specific embodiment of the present invention, it includes a DC power supply 24 , a control switch 25 , an image signal processing module 22 , an infrared laser 21 , a probe bending control knob 6 , a display screen 23 , a flexible sleeve 5 and a probe 1 . There are signal wires 3 and illumination fibers 4 inside the flexible sleeve 5 , and an imaging device 11 and an optical lens 12 are installed inside the probe 1 . When working, open the control switch 25, the DC power supply 24 supplies power to each part of the circuit, the imaging device 11 starts to collect image signals, and transmits the image signals to the image signal processing module 22 through the signal line 3 for processing, and sends the image signals to the image signal processing module 22 after processing. Display 23. When lighting is needed, the lighting control switch 25 is turned on, the infrared laser 21 emits infrared laser light, and transmits the infrared laser light from the probe 1 through the lighting optical fiber 4 for lighting. The probe bending control knob 6 can control the probe to bend in different directions, and the function of the flexible sleeve 5 is to protect the internal signal line 3 and the illumination fiber 4 .

The electronic endoscope with infrared laser illumination of the present invention is small in volume, light in weight, reliable in performance, adopts infrared light illumination, has strong concealment, and can be used in operations such as secret investigation.

Adopt above-mentioned electronic endoscope, because there are illuminating optical fiber 4 and infrared illuminating laser 21 therein, thereby when external light is insufficient, electronic endoscope control device 2 can open this infrared illuminating laser 21, and through illuminating optical fiber 4, infrared The infrared laser light emitted by the illumination laser 21 is sent to the place that needs to be illuminated for illumination. At the same time, the imaging device 11 collects images through the optical lens 12, and transmits the image signal to the electronic endoscope control device 2 through the signal line 3. The electronic endoscope The control device 2 has the functions of control, power supply, image display and lighting output. The image signal processing module 22 in it receives and processes the image signal transmitted from the imaging device 11, converts it into a video image signal for screen display, and transmits it to the display The screen 23, the user can monitor the images by observing the images on the display screen 23, which is not only suitable for various special applications, but also small in size, light in weight, simple in structure, convenient and flexible in use, and strong in concealment by using infrared light illumination , the working performance is stable and reliable, and the scope of application is relatively wide, especially suitable for activities such as secret investigation.

In this specification, the invention has been described with reference to specific embodiments thereof. However, it is obvious that various modifications and changes can be made without departing from the spirit and scope of the invention. Accordingly, the specification and drawings are to be regarded as illustrative rather than restrictive.

Claims (10)

1, a kind of fujinon electronic video endoscope, comprise probe and endoscope control device, described endoscope control device is connected with described probe by signal wire, it is characterized in that, include the infrared illumination laser instrument in the described endoscope control device, also comprise lighting fiber in the described fujinon electronic video endoscope, described infrared illumination laser instrument is connected with described lighting fiber.

2, fujinon electronic video endoscope according to claim 1, it is characterized in that, described infrared illumination laser instrument is solid state laser or semiconductor laser, and the wavelength coverage of this infrared illumination laser instrument is 785nm～1560nm, and output power range is 250mW～5W.

3, fujinon electronic video endoscope according to claim 1 is characterized in that, described lighting fiber is single-mode fiber or multimode optical fiber, and the scope of the core diameter of this lighting fiber is Φ 0.01mm～Φ 20mm.

4, fujinon electronic video endoscope according to claim 1, it is characterized in that, also include power module, picture signal processing module, display module in the described endoscope control device, described power module all is connected with display module with described infrared illumination laser instrument, picture signal processing module respectively, and described probe is connected with described display module with the picture signal processing module by described signal wire successively.

5, fujinon electronic video endoscope according to claim 4 is characterized in that, described power module comprises DC power source unit and gauge tap, and described gauge tap is connected with described DC power source unit.

6, fujinon electronic video endoscope according to claim 4 is characterized in that, described display module is a display screen.

7, according to each described fujinon electronic video endoscope in the claim 1 to 6, it is characterized in that described signal wire and lighting fiber all are arranged in the flexible sleeve.

According to each described fujinon electronic video endoscope in the claim 1 to 6, it is characterized in that 8, described signal wire is connected with described endoscope control device by the crooked control gear of popping one's head in.

9, fujinon electronic video endoscope according to claim 8 is characterized in that, the crooked control gear of described probe is the crooked control handle of probe.

10, according to each described fujinon electronic video endoscope in the claim 1 to 6, it is characterized in that described probe comprises image device and optical lens, described optical lens is connected with described signal wire by described image device.

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