CN219415231U

CN219415231U - Medical gas heater

Info

Publication number: CN219415231U
Application number: CN202223139616.6U
Authority: CN
Inventors: 李增光; 李富春; 黄赛赛
Original assignee: Suzhou Caring Medical Co ltd
Current assignee: Suzhou Caring Medical Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-07-25
Anticipated expiration: 2032-11-25

Abstract

The medical gas heater comprises a heating pipe, a copper pipe and heat insulation cotton, wherein the copper pipe is spirally wound on the periphery of the heating pipe, the heat insulation cotton is coated on the periphery of the copper pipe, and the gas flowing direction in the copper pipe is consistent with the heating direction of the heating pipe; a temperature sensor for monitoring the heating temperature is also arranged between the copper pipe and the heat insulation cotton. The copper pipe is adopted to wind the heating pipe, and air passes through the copper pipe so as to increase the area contacted with the heat source and greatly increase the volume of the air contacted with the heat source, thereby improving the heating effect and preventing heat dissipation; and the heat is locked by using the heat insulation cotton outside the copper pipe, so that a layer of heat insulation cover is formed inside the heat insulation cotton, and the heat loss is reduced. In the heating process, the heating pipe can synchronously heat the external copper pipe, and when gas flows, the heating pipe is matched with the temperature sensor and the controller to carry out corresponding temperature control and adjustment, so that the purposes of heating, energy saving and safety are achieved.

Description

Medical gas heater

Technical Field

The utility model relates to the field of medical equipment, in particular to a medical gas heater.

Background

At present, most of heaters for heating medical gas are electric appliances which achieve heating effect by utilizing electric energy. The low-temperature gas is heated to reach the human body adaptation temperature, which is beneficial to the recovery and subsequent nursing treatment of the patient body. The intelligent temperature control device has the advantages of small volume, high heating power, wide application, capability of selectively adopting an intelligent control mode, high temperature control precision and capability of being networked with a computer. The application range is wide, the service life is long, and the reliability is high. At the heart of the heater principle is energy conversion, most widely electrical energy to thermal energy.

Three general heating modes are electromagnetic heating, infrared heating and resistance heating respectively, wherein alternating magnetic fields are used for electromagnetic heating, alternating current is formed at the bottom of the metal, so that atoms collide with each other, rub and generate heat, and the conversion efficiency is high; infrared heating is radiation heating, energy is emitted through electromagnetic waves, and molecules and atoms vibrate to generate heat; resistance heating includes resistance wire, ceramic, quartz tube heating, and electric current is heated by heat released from a heating body, and is used in a large amount due to its cost and variability, and easy replacement. Most gas heaters are also designed based on the principle of resistive heating.

The existing medical gas heaters have low heating efficiency, and most medical gas heaters have the problem that the gas is still unheated after being heated for a period of time; in practical use, the existing medical gas heater also has the problem that the gas is not heated after the heater is heated; and the heat is easy to lose, the heat cannot be preserved for a long time, and the continuous use needs to be heated all the time.

Therefore, in order to solve the above-mentioned problems, it is necessary to design a medical gas heater.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a medical gas heater.

To achieve the above and other related objects, the present utility model provides the following technical solutions: the medical gas heater comprises a heating pipe, a copper pipe and heat insulation cotton, wherein the copper pipe is spirally wound on the periphery of the heating pipe, the heat insulation cotton is coated on the periphery of the copper pipe, and the gas flowing direction in the copper pipe is consistent with the heating direction of the heating pipe; and a temperature sensor for monitoring the heating temperature is also arranged between the copper pipe and the heat insulation cotton.

The preferable technical scheme is as follows: the heating pipe is characterized by further comprising a heater shell, wherein a first through hole for the heating pipe to be inserted into the shell is formed in the heater shell, and a second through hole for the copper pipe air inlet end and the copper pipe air outlet end to pass through is formed in the heater shell.

The preferable technical scheme is as follows: and the aperture of the second through hole is larger than the outer diameter of the copper pipe.

The preferable technical scheme is as follows: the heat insulation cotton is coated on the periphery of the copper pipe and is suspended in the heater shell.

The preferable technical scheme is as follows: the outer diameter of the copper pipe is one third of the outer diameter of the heating pipe.

The preferable technical scheme is as follows: the air inlet end of the copper pipe is connected with an external air delivery device.

The preferable technical scheme is as follows: the device also comprises a controller which is connected with the heating pipe, the temperature sensor and the gas transmission device at the same time.

Due to the application of the technical scheme, the utility model has the following beneficial effects:

according to the medical gas heater provided by the utility model, the copper pipe is adopted to wind the heating pipe, and air passes through the copper pipe so as to increase the area contacted with the heat source and greatly increase the volume of the air contacted with the heat source, so that the heating effect is improved, and the heat dissipation is prevented; and the heat is locked by using the heat insulation cotton outside the copper pipe, so that a layer of heat insulation cover is formed inside the heat insulation cotton, and the heat loss is reduced. In the heating process, the heating pipe can synchronously heat an external copper pipe, when gas flows through, the corresponding temperature control and adjustment are carried out by matching with the temperature sensor and the controller, the heating is stopped after the corresponding temperature is reached, and the residual temperature can be firmly locked due to good heat preservation effect, the gas can still maintain the heat for a period of time, and after the temperature is reduced to a certain degree, the heating pipe is heated again, so that the purposes of heating, energy saving and safety can be achieved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1-2. It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1-2, the medical gas heater provided by the utility model comprises a heating pipe 1, a copper pipe 2 and heat insulation cotton 3, wherein the copper pipe 2 is spirally wound on the periphery of the heating pipe 1, the heat insulation cotton 3 is coated on the periphery of the copper pipe 2, and the gas flowing direction in the copper pipe 2 is consistent with the heating direction of the heating pipe 1; a temperature sensor for monitoring the heating temperature is also arranged between the copper pipe 2 and the heat insulation cotton 3. Compared with the prior art, the structure can ensure that the entering air can contact the heat source by winding the copper pipe 2 around the heating pipe 1, and the problem of uneven heating caused by the distribution problem of the entering air can be avoided; the heat insulation cotton 3 is wrapped outside, so that the heat can be isolated from the outside temperature, most of the heat is prevented from being dissipated, meanwhile, the heat is also preserved for an internal heat source, the heated air is ensured to flow out to be hot, and the heat can be maintained for a period of time after the heating pipe 1 stops, until the waste heat is completely utilized, and the double effects of energy conservation and high heat conversion efficiency are achieved.

And, after the winding pipe of different internal diameters is compared to different materials, copper pipe 2 is finally selected. The copper pipe 2 has the characteristics of strong heat conductivity, no reaction with inert gas, stability after heating and the like. By comparing different winding modes, spiral ascending winding is finally selected, so that the direction of the entering gas is ensured to be completely consistent with the heating direction of the heating pipe 1, and more heat can be absorbed.

In addition, the heater also comprises a heater shell 4, a first through hole 41 for inserting the heating pipe 1 into the shell is arranged on the heater shell 4, a second through hole 42 for passing through the air inlet end and the air outlet end of the copper pipe 2 is arranged on the heater shell 4, and the aperture of the second through hole 42 is larger than the outer diameter of the copper pipe 2. The heater shell 4 is used for protecting the gas heating structure and preventing accidental contact and scalding. The second through hole 42 has a larger diameter than the outer diameter of the copper tube 2 so that the copper tube 2 in the mounted state is not in contact with the heater housing 4, avoiding heat transfer and heat loss.

Further, the heat insulation cotton 3 is wrapped around the copper tube 2 and suspended in the heater housing 4, so as to avoid contact with the heater housing 4, thereby causing heat loss.

Furthermore, the outer diameter of the copper pipe 2 is one third of the outer diameter of the heating pipe 1, and the standard winding structure can wind more turns while guaranteeing the gas flow rate so as to increase the area contacted with a heat source.

Further, the air inlet end of the copper pipe 2 is connected with an external air delivery device, and the air delivery device outputs air and heats the air through the copper pipe 2.

In addition, the device also comprises a controller which is connected with the heating pipe 1, the temperature sensor and the gas transmission device. In the heating process, the heating pipe 1 heats the external copper pipe 2 synchronously, when gas flows through, the corresponding temperature control adjustment is carried out by matching with the temperature sensor and the controller, the heating is stopped after the corresponding temperature is reached, the residual temperature can be firmly locked due to good heat preservation effect, the gas still can maintain the heat for a period of time, and after the temperature is reduced to a certain degree, the heating pipe 1 is heated again, so that the purposes of heating, energy saving and safety can be achieved.

Therefore, the utility model has the following advantages:

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations which can be accomplished by persons skilled in the art without departing from the spirit and technical spirit of the present utility model shall be covered by the appended claims.

Claims

1. A medical gas heater, characterized in that: the heat-insulating cotton is coated on the periphery of the copper pipe, and the gas flow direction in the copper pipe is consistent with the heating direction of the heating pipe; and a temperature sensor for monitoring the heating temperature is also arranged between the copper pipe and the heat insulation cotton.

2. A medical gas heater according to claim 1, wherein: the heating pipe is characterized by further comprising a heater shell, wherein a first through hole for the heating pipe to be inserted into the shell is formed in the heater shell, and a second through hole for the copper pipe air inlet end and the copper pipe air outlet end to pass through is formed in the heater shell.

3. A medical gas heater according to claim 2, wherein: and the aperture of the second through hole is larger than the outer diameter of the copper pipe.

4. A medical gas heater according to claim 2, wherein: the heat insulation cotton is coated on the periphery of the copper pipe and is suspended in the heater shell.

5. A medical gas heater according to claim 1, wherein: the outer diameter of the copper pipe is one third of the outer diameter of the heating pipe.

6. A medical gas heater according to claim 5, wherein: the air inlet end of the copper pipe is connected with an external air delivery device.

7. A medical gas heater according to claim 6, wherein: the device also comprises a controller which is connected with the heating pipe, the temperature sensor and the gas transmission device at the same time.