阅读说明：本技术 一种内窥镜冷却系统及内窥镜 (Endoscope cooling system and endoscope ) 是由 朱新成 张刚文 杨文斌 于 2021-09-23 设计创作，主要内容包括：本发明提供了一种内窥镜冷却系统,包括涡流管、与所述涡流管连接的三通管以及到前端冷却摄像头和电子线的导气管,所述涡流管的进气管接压缩空气,压缩空气在涡流管内进行分离,外圈热气从右端热气端排出,中心冷气从左端进入所述三通管,冷气通过所述导气管到所述摄像头处。以上内窥镜冷却系统,内窥镜进入高温环境的前端摄像头大部分和电子线被冷气层所包围,和外部高温环节达到有效隔绝,降低了工作环境的温度,如果在涡流管故障下,即使不能产生冷气,但是只要有气体流动带走热量,也能起到一定的耐温效果。(The invention provides an endoscope cooling system which comprises a vortex tube, a three-way pipe connected with the vortex tube, and an air guide pipe connected with the vortex tube and used for cooling a camera and an electronic wire at the front end, wherein an air inlet pipe of the vortex tube is connected with compressed air, the compressed air is separated in the vortex tube, outer ring hot air is discharged from a right end hot air end, central cold air enters the three-way pipe from the left end, and the cold air passes through the air guide pipe and reaches the camera. Above endoscope cooling system, the endoscope gets into the front end camera majority and the electron line of high temperature environment and is surrounded by cold gas layer, reaches effective isolated with outside high temperature link, has reduced operational environment's temperature, if under vortex tube trouble, even can not produce cold air, but as long as there is the gas flow to take away the heat, also can play certain temperature resistant effect.)

1. An endoscope cooling system is characterized by comprising a vortex tube, a three-way pipe connected with the vortex tube and an air guide pipe connected with the front end of the vortex tube and used for cooling a camera and an electronic wire, wherein the air inlet pipe of the vortex tube is connected with compressed air, the compressed air is separated in the vortex tube, outer ring hot air is discharged from the hot air end of the right end, central cold air enters the three-way pipe from the left end, and the cold air passes through the air guide pipe and reaches the camera.

2. An endoscope cooling system according to claim 1 and wherein said airway tube is terminated with a camera mount.

3. The endoscope cooling system of claim 2, wherein the distal end of the camera mount is provided with a cold air outlet hole.

4. The endoscope cooling system of claim 2, wherein the tee is provided with a sealing plug at an electrical lead outlet.

5. An endoscope cooling system according to claim 2 and wherein the distal end of said airway tube is disposed towards the middle of said camera mount.

6. An endoscope comprising a housing, an insertion tube provided at one side of the housing, and a camera provided at a distal end of the insertion tube, the distal end of the camera being provided with an electronic wire, characterized by further comprising an endoscope cooling system according to any one of claims 1 to 5, the camera being connected to the cold air duct.

Technical Field

The invention relates to the technical field of endoscopes, in particular to an endoscope cooling system and an endoscope.

Background

With the widespread use of industrial endoscopes in industrial fields, sometimes the endoscope front end probe and insertion tube are required to enter a high temperature working area, such as the temperature of internal components of an engine after the inspection combustion may reach as high as 300 ℃, which is far beyond the tolerance range of the optical and electronic devices of the traditional electronic endoscope.

The working part of the electronic endoscope is mainly a front end insertion tube, the end part of the insertion tube is provided with a camera, and the camera passes through an electronic wire to a rear display device. The lens at the front end of the camera and the internal circuit are very easily influenced by temperature, so that the key for improving the temperature resistance of the endoscope is to ensure that the camera and the electronic wire normally work in a high-temperature environment. It is difficult to increase the temperature resistance of electronic components, and it is difficult to achieve high operating temperatures approaching 300 degrees, in addition to cost considerations.

Disclosure of Invention

The invention aims to provide an endoscope cooling system to solve the problem of overhigh working temperature of the existing endoscope.

The invention provides an endoscope cooling system which comprises a vortex tube, a three-way pipe connected with the vortex tube, and an air guide pipe connected with the vortex tube and used for cooling a camera and an electronic wire at the front end, wherein an air inlet pipe of the vortex tube is connected with compressed air, the compressed air is separated in the vortex tube, outer ring hot air is discharged from a right end hot air end, central cold air enters the three-way pipe from the left end, and the cold air passes through the air guide pipe and reaches the camera.

Above-mentioned endoscope cooling system introduces the vortex tube with compressed air, and the air conditioning that produces from the vortex tube cools off the camera through one side that the air duct got into the camera, and the endoscope is except that the forward one side of camera lens, and other most all are surrounded by the cold air layer, and reach effective isolated with outside high temperature link, has reduced operational environment's temperature, if under the vortex tube trouble, even can not produce air conditioning, but as long as other leading-ins of normal atmospheric temperature, will take away the heat, also can play certain temperature resistant effect.

Furthermore, the tail end of the air duct is provided with a camera fixing frame.

Furthermore, the tail end of the camera fixing frame is provided with a cold air outlet hole.

Furthermore, a sealing plug is arranged at the leading-out end of the electronic wire of the three-way pipe.

Furthermore, the tail end of the air duct faces the middle of the camera fixing frame.

The invention also provides an endoscope, which comprises a shell, an insertion tube arranged on one side of the shell, a camera arranged at the tail end of the insertion tube, an electronic wire arranged at the tail end of the camera, and the endoscope cooling system, wherein the camera is connected with the cold air tube.

Drawings

FIG. 1 is a schematic view of a cooling tube structure according to a first embodiment of the present invention;

FIG. 2 is a schematic structural view of an endoscope in a second embodiment of the present invention;

fig. 3 is a partially enlarged schematic view of the endoscope in fig. 2.

Description of the main element symbols:

vortex tube	20	Camera head	30	Camera fixing frame	60
						Compressed air inlet	21	Electronic wire	31	Air outlet hole for cold air	61
Cold air outlet	22	Three-way pipe	40	Shell body	70
						Hot gas outlet	23	Air duct	50	Insertion tube	80

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, an endoscope cooling system according to a first embodiment of the present invention includes a vortex tube 20, a tee pipe 40 connected to the vortex tube 20, and an air duct 50 leading to a front cooling camera 30 and an electronic wire 31, wherein an air inlet pipe (a compressed air inlet 21) of the vortex tube 20 is connected to compressed air, the compressed air is separated in the vortex tube 20, outer hot air is discharged from a right hot end (a hot air outlet 23), central cold air enters the tee pipe 40 from a left end (a cold air outlet 22), and the cold air passes through the air duct 50 to the camera 30.

In the endoscope cooling system, cold air enters the three-way pipe 40, and the cold air is prevented from leaking due to the sealing plug arranged at the leading-out end of the electronic wire 31, so that the cold air can be conveyed to the camera 30 only through the air duct 50. Except the forward face of camera 30, other most parts all are surrounded by cold gas layer, reach effective isolated with outside high temperature link, have reduced operational environment's temperature, if under vortex tube trouble, even can not produce cold air, but as long as other leading-in of normal atmospheric temperature, will take away the heat, also can play certain temperature resistant effect.

Specifically, in this embodiment, the compressed air enters the compressed air inlet 21 of the vortex tube 20, the cold air outlet 22 is connected with the three-way pipe 40, the three-way pipe 40 is further connected with an air duct 50, the end of the air duct 50 is provided with a camera fixing frame 60, the cold air outlet 22 and the air duct 50 are connected through the three-way pipe 40, so that the cold air is directly guided into the camera fixing frame 60, a flowing air layer is formed at the rear part and the side surface of the camera 30, the cold air is isolated from the external high temperature, the heat is taken away, the cold air is directly cooled, and the cooling effect is improved.

Specifically, in the present embodiment, the end of the camera fixing frame 60 is provided with a cold air outlet 61, so that cold air can escape from the camera fixing frame 60, and the smooth flowing of the cold air is ensured.

Specifically, in this embodiment, a sealing plug (not shown) is disposed at an outlet of the three-way pipe 40 opposite to the air duct 50, and an electronic wire of the camera 30 passes through the air duct 50 and the sealing plug and then is connected to the rear-end video device, so that the electronic wire is located in the air duct 50, the cooling effect is good, and by arranging the sealing plug, the cold air can be prevented from escaping and can only flow to the camera 30.

Specifically, in this embodiment, the terminal orientation of air duct 50 the middle part setting of camera mount 60 to make the steam of air duct 50 just to the afterbody of camera 30, improved the cooling effect, the electron line 31 of being convenient for simultaneously penetrates air duct 50.

In other embodiments of the present invention, a heat insulation sleeve (not shown) is sleeved around the camera fixing frame 60 to help the external temperature to be quickly conducted to the internal camera element.

Referring to fig. 2 and 3, a second embodiment of the present invention is an endoscope, which is different from the first embodiment in that the endoscope in the second embodiment includes a housing 70, an insertion tube 80 disposed at one side of the housing 70, and a camera 30 disposed at a distal end of the insertion tube 80, the distal end of the camera 30 is provided with an electronic wire 31, and further includes an endoscope cooling system as described in any one of the above, and the camera 30 is connected to the cold air tube 22. The cold air passes through the entire insertion tube 80, and a certain cooling effect is also exerted on the insertion tube 80 and other external components, so that the cooling effect is good.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.