TWI767766B - Airbag type hot air insulation device - Google Patents

Abstract

The present invention provides an airbag type hot air heat insulation device, which includes an airbag unit, a heat insulation unit, a hot air supply unit, a return air pipe and a control unit, wherein an airflow channel is formed inside the airbag unit, and the hot air supply unit communicates with the airflow channel, and the hot air supply unit sends hot air to the airflow channel, thereby heating and insulating the heated object configured with the airbag unit. The return air pipe connects the airbag unit and the hot air supply unit, and the return air pipe connects the end of the path along which the hot air flows along the airflow channel and the air inlet end of the hot air supply unit, and accordingly returns the hot air to the hot air supply unit to improve heating efficiency.

Description

Airbag type hot air insulation device

The present invention relates to equipment for thermal insulation; in particular, it refers to the disclosure of an innovative structural form of an airbag type hot air thermal insulation device.

Based on the specific needs of transporting certain substances, the pipelines used for transporting these substances need to be insulated. In addition to the means of reducing heat energy loss, the insulation can further supplement the lost heat energy in a timely manner. The temperature of the road can be maintained, and based on these needs, an electric thermal insulation device for pipelines is produced.

The conventional electric heating insulation device for pipelines includes an outer skin, an insulation layer and a heating device, wherein the outer skin includes an inner side wall, an outer side wall and an accommodating space, and the accommodating space is located on the inner side wall and between the outer sidewall, the inner sidewall is used to cover a pipeline, the thermal insulation layer is arranged in the accommodating space, the thermal insulation layer includes an aerogel felt and a film, the film wraps the aerogel felt, The heating device is arranged in the accommodating space. The heating device has an electric heating plate, the electric heating plate abuts against the inner side wall. When current passes through the conductive loop, the conductive loop generates thermal energy to heat the pipeline.

According to the actual application experience of the conventional electric heating insulation device for pipelines, it is found that the following problems and disadvantages still exist: based on the needs of the length or shape configuration of the pipeline, it is selected to arrange a plurality of the aforementioned pipelines in sequence along the pipeline. In the electric heating insulation device, the electric heating plates of each electric heating insulation device are usually connected in series, thereby reducing the complexity of the overall circuit configuration. When there is an overheating fuse or a short circuit event, each electric heating plate cannot continue to provide heat energy. If the number of electric heating insulation devices is large, it is often difficult to repair and replace, and the circuit is overheated and fused or A short circuit event occurs in the conductive circuit adjacent to the pipeline, which may cause the pipeline to rupture or affect the strength or service life of the pipeline, and there is a safety concern.

The main purpose of the present invention is to provide a bladder-type hot air thermal insulation device. The technical problem to be solved is to think and make innovative breakthroughs with the goal of developing a more ideal and practical new thermal insulation device.

Based on the aforementioned purpose, the technical feature of the present invention to solve the problem is mainly that the airbag type hot air thermal insulation device includes:

An airbag unit, an air passage is formed inside the airbag unit, one side of the airbag unit is defined as the first side, the other side of the airbag unit is the second side, the first side and the second side are along the The thickness directions of the airbag units are opposite to each other, and the first side is pressed against the outside of a heated object, so that the airbag unit is arranged on the heated object;

a thermal insulation unit, the thermal insulation unit is mainly composed of a material with thermal insulation effect, and the thermal insulation unit is adjacent to the second side;

a hot air supply unit, the hot air supply unit communicates with the air flow channel, the hot air supply unit includes a heater and a blower, and the hot air supply unit sends hot air into the air flow channel, thereby heating and keeping the heated object;

A return air duct is connected to the air bag unit and the hot air supply unit, and the return air duct is connected to the end of the path where the hot air flows along the airflow channel and the intake end of the hot air supply unit. The hot air supply unit returns the hot air to improve heating efficiency; and

A control unit, the control unit is mainly composed of an electronic circuit, the heater and the blower are respectively coupled to the control unit, and the operation of the heater and the blower is controlled accordingly.

The main effects and advantages of the present invention are that it can improve the convenience of maintenance and the safety of use, and use the return air pipe to return the hot air to the hot air supply unit, thereby improving the overall heating and heat preservation efficiency.

The secondary objective of the present invention is that the airbag unit can be constructed with a plurality of modularized airbags due to another technical feature that the airbag unit includes a plurality of inner hollow airbags and a plurality of inner hollow communication tubes. Thus, the advantages and practical progress of improving the application range of the airbag unit are achieved.

1 to 5 show the embodiments of the airbag type hot air thermal insulation device of the present invention, but these embodiments are only for illustration, and are not limited by this structure in the patent application.

As shown in FIG. 1 to FIG. 4 , the first embodiment of the airbag type hot air heat preservation device includes an airbag unit 10 , a heat preservation unit 20 , a hot air supply unit 30 , a return air duct 40 and a control unit 50 , wherein An airflow channel 60 is formed inside the airbag unit 10 , one side of the airbag unit 10 is defined as the first side 11 , the other side of the airbag unit 10 is defined as the second side 12 , the first side 11 and the second side 12 are opposite along the thickness direction of the airbag unit 10, so that the first side 11 is pressed against the outside of a heated object 90, so as to set the airbag unit 10 on the heated object 90; FIG. 2 shows that the heated object 90 is a tube The first embodiment can be applied to various objects that need to be heated and kept warm. Fig. 2 cannot be interpreted as a limitation of the application scope of the present invention.

The heat preservation unit 20 is mainly composed of a material with thermal insulation effect, the heat preservation unit 20 is adjacent to the second side 12 , the hot air supply unit 30 is communicated with the airflow channel 60 , and the hot air supply unit 30 includes a heater 31 and a The blower 32 causes the hot air supply unit 30 to send hot air into the airflow channel 60 to heat and keep the heated object 90 warm.

The air return duct 40 is connected to the airbag unit 10 and the hot air supply unit 30 , and the return air duct 40 is connected to the end of the path where the hot air flows along the airflow channel 60 and the intake end 33 of the hot air supply unit 30 . The hot air is returned to the hot air supply unit 30 to improve the heating efficiency.

The control unit 50 is mainly composed of electronic circuits. The heater 31 and the blower 32 are respectively coupled to the control unit 50 to control the operation of the heater 31 and the blower 32 accordingly. As can be considered, the specific structure of the control unit 50 will not be described in detail.

With the above-mentioned structural composition and technical features, the hot air supply unit 30, the return air pipe 40 and the airflow channel 60 form a path for gas circulation, the control unit 50 controls the operation of the hot air supply unit 30, and the blower. 32 pushes the air, the heater 31 heats the air, thereby forming the hot air to enter the airflow channel 60, the hot air enters the return air duct 40 through the airflow channel 60, and then flows back into the hot air supply unit from the return air duct 40 30. When the hot air flows through the airflow channel 60 formed inside the airbag unit 10, the hot air has a heating effect on the heated object 90 adjacent to the first side 11, and can make up for the heat energy lost by the heated object 90, The heat preservation unit 20 adjacent to the second side 12 can slow down the heat energy of the hot air and the heated object 90 from being dissipated to the outside, and improve the heating efficiency of the heated object 90 carried by the heat energy carried by the hot air; compared with that disclosed in the prior art According to the conventional electric heating insulation device, the first embodiment utilizes the heater 31 to provide heat energy, and does not need to configure an electric heating plate along the surface of the heated object 90 , thereby improving the convenience of maintenance and avoiding the need for the heating object 90 In the event of circuit overheating, fusing or short-circuiting, it will not cause harm to the heated object 90, and the use safety is high.

Further, the hot air is sent back into the hot air supply unit 30 through the return air duct 40 , and the heat energy provided by the heater 31 to the hot air only needs to fill the process of the hot air passing through the airflow channel 60 and the return air duct 40 , The heat energy released from the heated object 90 and the heat energy dissipated to the outside can make the temperature of the hot air return to a preset temperature, thereby improving the overall heating and heat preservation efficiency.

The interior of the airbag unit 10 can be formed with several air passages 60 as required, and each air passage 60 can be selected to be connected to one or more of the air return pipes 40 respectively, and each air passage 60 can also be selected to be connected to the same air return pipe 40 . The air duct 40 thus constitutes a modified embodiment based on the first embodiment, and the selection of the number of the airflow passages 60 and the air return duct 40 is easily thought by those skilled in the present invention based on the first embodiment.

As shown in FIG. 2 and FIG. 3 , the air bag unit 10 includes a plurality of hollow air bags 13 and a plurality of hollow communication tubes 14 , wherein the air bags 13 are respectively meandering and revolved, and the air bags 13 are arranged in sequence. Arranged in series, each of the communication pipes 14 is respectively disposed between the adjacent airbags 13, and each of the communication pipes 14 is respectively connected to the adjacent airbags 13, so that each of the airbags 13 and each of the airbags 13 are communicated with each other. The inside of the pipe 14 communicates to form the air flow passage 60 .

The airbag unit 10 can be constructed by using a plurality of modularized airbags 13 and a corresponding number of the communicating tubes 14 . The airbag unit 10 can choose to configure a corresponding number of The airbag 13 and the communication tube 14 are connected with the adjacent airbags 13 by the communication tubes 14 respectively, so as to improve the application range of the airbag unit 10 .

It is preferable that each of the airbags 13 is made of an elastic material. Accordingly, when the hot air passes through each of the airflow passages 60, the air pressure of the hot air causes each of the elastic airbags 13 to expand. Due to the restriction formed by the two sides 12 , the first side 11 can be closely abutted to the heated object 90 , which improves the reliability of the heat transfer of the hot air to the heated object 90 through the first side 11 .

As shown in FIG. 4 , the outer periphery of the return air duct 40 can be covered with a heat insulating member 42 as required, thereby reducing the heat dissipation of the hot air through the return air duct 40 . Further, the heat insulating member 42 can be optionally used The two tubular outer films 44 are formed by surrounding a heat insulating part 46 opposite to each other. The heat insulating part 46 is made of a material with heat insulating effect, thereby reducing the return of the hot air to the hot air supply unit 30 through the return air pipe 40 heat energy is dissipated.

As shown in FIG. 2 and FIG. 3 , the heat preservation unit 20 includes a plurality of heat preservation structures 22 , and each of the heat preservation structures 22 is disposed corresponding to each of the air bags 13 , and a plurality of the heat preservation structures 22 can be selected to be disposed corresponding to one air bag 13 as needed. It is also possible to select one of the heat-insulating structures 22 to correspond to a plurality of the airbags 13, and thus constitute different implementation options based on the variation of the first embodiment. The wrapping bags 24 respectively accommodate the thermal insulation blankets 26 , and the thermal insulation blankets 26 are respectively made of aerogel composite nanomaterials with thermal insulation effect. The thermal insulation blankets 26 can also be selected separately. Replaced with other materials with good thermal insulation, the aerogel composite nanomaterials mainly use non-woven carbon fiber or reinforced glass fiber as a carrier, and then the liquid aerogel is evenly distributed on the carrier, Finally, the contained gel is extracted, and numerous nano-scale pores are formed therein. The aerogel composite nano-material has low thermal conductivity, which can effectively reduce the thermal conductivity from the heated object 90 and the hot air. Heat energy is dissipated through the thermal insulation felt 26 , thereby saving energy and reducing carbon, and the thickness of the thermal insulation blanket 26 can be reduced to one-third to one-quarter of the traditional thermal insulation material, thus greatly saving space.

The heat insulating portion 46 can be optionally made of aerogel composite nanomaterials with heat insulating effect.

As shown in FIG. 1 , the hot air supply unit 30 is provided with an air inlet 34, and the air inlet 34 communicates with the external environment, so that the hot air supply unit 30 draws external air through the air inlet 34 to fill the air in the process of the hot air circulating and flowing volume loss.

The heater 31 communicates with the airflow channel 60, and the blower 32 communicates with the heater 31. According to the blower 32 to draw air, the heater 31 heats the air to form the hot air, and transmits the hot air to the airflow channel 60, which heats the air. The heater 31 is located between the air flow channel 60 and the air blower 32, and the intake end 33 is arranged on the air blower 32; The intake end 33 is arranged on the heater 31 to form another modified embodiment not shown in the drawings. The replacement selection of the heater 31 and the blower 32 in terms of spatial arrangement is the field of the present invention. People can easily think about it based on the first embodiment.

Embodiment 1 further includes a detection unit 70, wherein the detection unit 70 includes a temperature detector 72 and an air pressure detector 74, wherein the temperature detector 72 and the air pressure detector 74 respectively detect The temperature and air pressure of the hot air in the airflow channel 60, the temperature detector 72 and the air pressure detector 74 are respectively coupled to the control unit 50, and the temperature detector 72 and the air pressure detector 74 respectively detect The obtained temperature value and pressure value are transmitted to the control unit 50, and the control unit 50 controls the operation state of the heater 31 and the blower 32 based on the temperature value and the pressure value, and the temperature of the hot air passing through the airflow channel 60 And the air pressure can be kept within the set range, thereby improving the efficiency of heating and heat preservation.

As shown in FIG. 5 , the second embodiment is mainly different from the first embodiment in that the return air duct 40 passes between the second side 12 and the heat preservation unit 20 , and the heat preservation unit 20 is used to form heat preservation for the return air duct 40 . function to reduce the probability that the heat energy carried by the hot air passing through the return air duct 40 is dissipated to the external environment; The heat energy diffused in the direction of the second side 12 can be absorbed by the hot air passing through the return air duct 40. When the hot air returns to the hot air supply unit 30, the heater 31 reduces the demand for supplementary heat to the hot air, thereby improving the overall hot air insulation efficiency.

3: Part of Figure 2 is enlarged and shown in Figure 3

10: Airbag unit

11: First side

12: Second side

13: Airbag

14: Connecting pipe

20: Insulation unit

22: Thermal insulation structure

24: wrapping bag

26: Insulation felt

30: Hot air supply unit

31: Heater

32: Blower

33: Intake end

34: Air inlet

40: return air duct

42: Insulation

44: outer membrane

46: Insulation part

50: Control unit

60: Airflow channel

70: Detection unit

72: Temperature detector

74: Air pressure detector

90: heated object

FIG. 1 is a system configuration diagram of Embodiment 1 of the present invention. FIG. 2 is a partial cross-sectional schematic diagram of the airbag unit and the heat preservation unit disposed on the heated object according to the first embodiment of the present invention. FIG. 3 is a partial enlarged view of FIG. 2 . FIG. 4 is a cross-sectional view of a return air duct in Embodiment 1 of the present invention. 5 is a partial cross-sectional schematic diagram of the airbag unit and the heat preservation unit according to the second embodiment of the present invention.

10: Airbag unit

20: Insulation unit

30: Hot air supply unit

31: Heater

32: Blower

33: Intake end

34: Air inlet

40: return air duct

50: Control unit

70: Detection unit

72: Temperature detector

74: Air pressure detector

Claims (8)

An airbag type hot air thermal insulation device, comprising: an airbag unit, an air flow channel is formed inside the airbag unit, one side of the airbag unit is defined as the first side, the other side of the airbag unit is the second side, the first side The side and the second side are opposite along the thickness direction of the airbag unit, and the first side is pressed against the outside of a heated object, so as to set the airbag unit on the heated object; a heat preservation unit, the heat preservation unit is mainly composed of a heat-receiving object. The heat preservation unit is adjacent to the second side; a hot air supply unit, the hot air supply unit communicates with the airflow channel, the hot air supply unit includes a heater and a blower, according to the hot air supply unit The hot air is fed into the airflow channel to heat and keep the heated object; a return air duct is connected to the airbag unit and the hot air supply unit, and the return air duct communicates with the hot air flowing along the airflow channel. the end of the path and the intake end of the hot air supply unit, according to which the hot air is returned to the hot air supply unit to improve the heating efficiency; and a control unit, the control unit is mainly composed of an electronic circuit, and the heater and the blower are respectively coupled The control unit controls the operation of the heater and the blower accordingly; the return air duct passes between the second side and the heat preservation unit, thereby reducing the heat dissipation of the hot air through the return air duct. The airbag type hot air thermal insulation device according to claim 1, wherein the airbag unit comprises a plurality of hollow airbags and a plurality of hollow communication pipes, wherein the airbags are respectively in a meandering and revolving shape, and the airbags are arranged in sequence. arranged in series, each of the communication pipes is respectively arranged between the adjacent airbags, and each of the communication pipes is respectively connected to the adjacent airbags, according to the Each of the airbags and each of the communication pipes communicate with each other to form the air flow channel. The airbag type hot air thermal insulation device according to claim 2, wherein each of the airbags is made of an elastic material, respectively. The airbag-type hot air thermal insulation device according to claim 1, wherein the thermal insulation unit comprises a plurality of thermal insulation structures, each of the thermal insulation structures has a covering bag and a thermal insulation felt respectively, and each of the covering bags respectively accommodates each of the partitions. Thermal blankets, each of which is composed of aerogel composite nanomaterials with thermal insulation effect. The airbag type hot air thermal insulation device according to claim 1, wherein the hot air supply unit is provided with an air inlet, and the air inlet communicates with the external environment, so that the hot air supply unit draws external air. The airbag type hot air thermal insulation device as claimed in claim 1, wherein the heater is connected to the airflow channel, the blower is connected to the heater, and the air blower is caused to draw air, the heater heats the air to form the hot air, and the air blower is connected to the air. The channel conveys the hot air. The airbag type hot air thermal insulation device according to claim 1 or 6, wherein the heater is located between the airflow channel and the blower, and the intake end is provided on the blower. The airbag-type hot air thermal insulation device according to claim 1, further comprising a detection unit, wherein the detection unit includes a temperature detector and an air pressure detector, the temperature detector and the air pressure detector are respectively detecting the temperature and pressure of the hot air passing through the airflow channel, The temperature detector and the air pressure detector are respectively coupled to the control unit, thereby improving the efficiency of heating and heat preservation.

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