TWM619511U - Airbag type hot air heat preservation device - Google Patents

Abstract

This creation provides an airbag-type hot air heat preservation device, which includes an airbag unit, a heat preservation unit, a hot air supply unit, a return air duct, and a control unit. The airbag unit forms an airflow channel inside, and the hot air supply unit communicates with The air flow channel, the hot air supply unit sends hot air to the air flow channel, thereby heating and insulating the heated object configuring the airbag unit, the return air pipe connects the airbag unit and the hot air supply unit, and the return air pipe communicates with the hot air The end of the path that flows along the airflow channel and the air inlet end of the hot air supply unit, according to which the hot air is returned to the hot air supply unit, improves the heating efficiency.

Description

Airbag type hot air heat preservation device

This creation is related to a kind of thermal insulation equipment; in particular, it refers to the revealer of the innovative structure of an airbag-type hot air thermal insulation device.

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

The conventional electric heat preservation device for pipelines includes an outer skin, an insulating 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 Between the outer wall and the outer side wall, the inner side wall 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, and the film covers 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, the electric heating plate is mainly composed of a heat-resistant and insulating substrate with a conductive circuit, which utilizes the impedance characteristics of the conductive circuit, When current passes through the conductive loop, the conductive loop generates heat to heat the pipeline.

According to the investigation, in the actual application experience of the conventional electric heating insulation device for pipelines, it is found that the following problems and shortcomings 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. 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. However, any one of the conductive loops in each of the heating plates or electrically connecting each of the conductive loops When an overheating or short circuit event occurs, the electric heating plate cannot continue to provide heat. If the number of electric heating insulation devices is large, it will often cause considerable difficulty in overhauling and replacing, and the circuit will be overheated or fuse. A short-circuit event occurs in the conductive circuit next to the pipeline, which may cause the pipeline to rupture or affect the strength or service life of the pipeline, and there are safety concerns.

The main purpose of this creation is to provide an airbag-type hot air insulation device. The technical problem to be solved is to think about and make innovation breakthroughs for the goal of developing a new type of insulation device that is more ideal and practical.

Based on the foregoing objective, the present invention provides an airbag type hot air heat preservation device, which includes:

An airbag unit, an airflow channel is formed inside the airbag unit, one side of the airbag unit is defined as the first side, and 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 unit are opposite, so that the first side abuts against the outside of a heated object, so that the airbag unit is disposed on the heated object;

A heat preservation unit, the heat preservation unit is mainly composed of materials with heat insulation effect, and the heat preservation unit is adjacent to the second side;

A hot air supply unit communicating with the air flow channel, the hot air supply unit including a heater and a blower, according to which the hot air supply unit sends hot air to the air flow channel, thereby heating and insulating the heated object;

A return air duct connecting the airbag unit and the hot air supply unit, and the return air duct 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, according to this 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 are controlled accordingly.

With this innovative structure and technical features, compared with the previous technology, this creation can improve the convenience of maintenance and the safety of use, and use the return duct to return the hot air to the hot air supply unit, thereby improving the overall The heating and heat preservation efficiency achieves practical progress.

The secondary purpose of this creation is to use another technical feature of the airbag unit including several hollow inside airbags and several hollow inside connecting pipes, so that the airbag unit can be constructed with multiple modular airbags. Thus, the advantages and practical advancement of improving the application range of the airbag unit are achieved.

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

As shown in Figures 1 to 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 air flow 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 the second side 12, the first side 11 and the second side 12 is opposite along the thickness direction of the airbag unit 10, so that the first side 11 abuts against the outside of a heated object 90, thereby disposing the airbag unit 10 on the heated object 90; Figure 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. Figure 2 cannot be construed as a limitation of the scope of application of the creation.

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

The return air duct 40 connects the airbag unit 10 and the hot air supply unit 30, and the return air duct 40 connects the end of the path along which the hot air flows along the airflow channel 60 and the inlet end 33 of the hot air supply unit 30, accordingly The hot air is fed back to the hot air supply unit 30 to improve heating efficiency.

The control unit 50 is mainly composed of an electronic circuit. 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; It can be thought of, and the specific composition 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 duct 40, and the air flow channel 60 form a path for gas to circulate, the control unit 50 controls the operation of the hot air supply unit 30, and the blower 32 pushes air, the heater 31 heats the air, thereby forming the hot air into the air flow channel 60, the hot air enters the return air duct 40 through the air flow channel 60, and then flows back into the hot air supply unit through the return air duct 40 30. When the hot air flows through the air flow channel 60 formed inside the airbag unit 10, the hot air heats 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 dissipating outwards, and improve the efficiency of heating the heated object 90 by the thermal energy carried by the hot air; compared with the prior art disclosure In the conventional electric heat preservation device, the heater 31 is used to provide heat energy in the first embodiment, and there is no need to arrange an electric heating plate along the surface of the heated object 90, which can improve the convenience of maintenance and avoid the place adjacent to the heated object 90 The occurrence of a circuit overheating or short circuit event will not cause harm to the heated object 90, and the use safety is high.

Furthermore, the hot air is fed 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 be filled when the hot air passes through the air flow 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 rise back to the preset temperature, which can improve the overall heating and heat preservation efficiency.

The inside of the airbag unit 10 may form several airflow channels 60 as needed, and each airflow channel 60 may be connected to one or more of the return air ducts 40, or each airflow channel 60 may be connected to the same return air duct. According to this, the air duct 40 constitutes a modified embodiment based on the first embodiment. The selection of the number of the air flow channels 60 and the return air duct 40 can be easily thought of by those skilled in the art based on the first embodiment.

As shown in FIGS. 2 and 3, the airbag unit 10 includes a plurality of hollow inner airbags 13 and a plurality of hollow inner communication tubes 14, wherein each of the airbags 13 is in a meandering shape, and each of the airbags 13 is in sequence Arranged in tandem, each of the communication tubes 14 is respectively arranged between the adjacent airbags 13, and each of the communication tubes 14 respectively communicates with the adjacent airbags 13, so that each of the airbags 13 and each of the communication The inside of the tube 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 connecting pipes 14. The airbag unit 10 can be configured with a corresponding number according to the size, shape and space type of the heated object 90 The airbag 13 and the communication tube 14 are respectively connected to the adjacent airbags 13 by using the communication tubes 14 to increase the application range of the airbag unit 10.

Each of the airbags 13 is preferably composed of elastic materials. According to this, when the hot air passes through each of the airflow channels 60, the air pressure of the hot air causes the airbags 13 with elasticity to expand, and the heat preservation unit 20 is used to treat the first airbag 13 With the restriction formed by the two sides 12, the first side 11 can tightly abut the heated object 90, which improves the reliability of the hot air transferring heat energy to the heated object 90 through the first side 11.

As shown in FIG. 4, the outer circumference of the return air duct 40 may optionally be covered with a heat insulating member 42, thereby reducing the heat energy loss of the hot air through the return air duct 40. Further, the heat insulating member 42 can be optionally used The two-tubular outer film 44 is composed of a heat-insulating part 46 which is relatively enclosed inside and outside. The heat-insulating part 46 is made of a material with a heat-insulating and heat-preserving effect, thereby reducing the return of the hot air to the hot air supply unit 30 through the return air duct 40 When the heat is lost.

As shown in Figures 2 and 3, the thermal insulation unit 20 includes a plurality of thermal insulation structures 22, and each thermal insulation structure 22 is configured to correspond to each airbag 13, and a plurality of thermal insulation structures 22 can be selected to correspond to one airbag 13 configuration as needed. It is also possible to select one of the thermal insulation structures 22 to correspond to a plurality of the airbags 13 configuration. According to this configuration, different implementation options based on the variation of the first embodiment are formed. Each thermal insulation structure 22 has a covering bag 24 and a thermal insulation felt 26, each The covering bag 24 contains each of the thermal insulation felts 26, each of the thermal insulation felts 26 is selected to be composed of an aerogel composite nano material with thermal insulation effect, and each of the thermal insulation felts 26 can also be selected separately Replaced by other materials with good heat insulation. The aerogel composite nanomaterial mainly uses non-woven carbon fiber or reinforced glass fiber as the carrier, and then the liquid aerogel is evenly distributed on the carrier. Finally, the contained gel is removed, and countless nano-scale pores are formed therein. The aerogel composite nanomaterial has low thermal conductivity and can effectively reduce the heat from the heated object 90 and the hot air. The heat energy is dissipated to the outside through the thermal insulation felt 26, thereby saving energy and reducing carbon, and the thickness of the thermal insulation felt 26 can be reduced to one-third to one-fourth of that of traditional thermal insulation materials, so the occupied space can be greatly saved.

The heat insulation part 46 can be made of an aerogel composite nano material with heat insulation effect.

As shown in FIG. 1, the hot air supply unit 30 is provided with an air inlet 34, which is connected to the external environment, so that the hot air supply unit 30 draws outside air through the air inlet 34 to fill the air in the circulation process of the hot air.量loss.

The heater 31 communicates with the air flow channel 60, the blower 32 communicates with the heater 31, and the blower 32 draws air. The heater 31 heats the air to form the hot air, and transmits the hot air to the air flow channel 60. The device 31 is located between the airflow channel 60 and the blower 32, and the air inlet end 33 is provided on the blower 32; in the first embodiment, the blower 32 can also be arranged between the heater 31 and the airflow channel 60, and Cooperating with the arrangement of the inlet port 33 on the heater 31, another alternative embodiment not shown in the figure is constructed accordingly. The replacement options of the heater 31 and the blower 32 in the spatial configuration are in the field of this creation Those who can easily think about it based on the first embodiment.

The first embodiment further includes a detecting unit 70, wherein the detecting 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 passing The temperature and air pressure of the hot air in the air flow channel 60, the temperature detector 72 and the air pressure detector 74 are respectively coupled to the control unit 50, the temperature detector 72 and the air pressure detector 74 will respectively detect The obtained temperature value and pressure value are transmitted to the control unit 50. Based on the temperature value and the pressure value, the control unit 50 controls the operating state of the heater 31 and the blower 32, and the temperature of the hot air passing through the air flow channel 60 And the air pressure can be maintained 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 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 This function reduces the probability of the heat energy carried by the hot air passing through the return air duct 40 being dissipated to the external environment; furthermore, the outer periphery of the return air duct 40 is selected to not be provided with the heat insulation member 42, and the hot air passing through the air flow channel 60 The thermal 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 supplementing heat from the hot air and improves the overall The hot air insulation efficiency.

10: Airbag unit 11: First side 12: second side 13: Airbag 14: Connecting pipe 20: Insulation unit 22: Thermal insulation structure 24: coated bag 26: Thermal insulation felt 30: Hot air supply unit 31: heater 32: Blower 33: intake end 34: air inlet 40: return air pipe 42: Insulation 44: Outer membrane 46: Insulation Department 50: control unit 60: Airflow channel 70: Detection unit 72: temperature detector 74: Air pressure detector 90: Heated objects

Figure 1 is a system configuration diagram of the first embodiment of the creation. FIG. 2 is a partial cross-sectional schematic diagram of the airbag unit and the heat preservation unit of the first embodiment of the present creation, which are arranged on a heated object. Fig. 3 is a partial enlarged view of Fig. 2. Figure 4 is a cross-sectional view of the air return duct of the first embodiment of the creation. Fig. 5 is a schematic partial cross-sectional view of the airbag unit and the heat preservation unit of the second embodiment of the 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 pipe

50: control unit

70: Detection unit

72: temperature detector

74: Air pressure detector

Claims (10)

An air bag type hot air heat preservation device, including: An airbag unit, an airflow channel is formed inside the airbag unit, one side of the airbag unit is defined as the first side, and 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 unit are opposite, so that the first side abuts against the outside of a heated object, so that the airbag unit is disposed on the heated object; A heat preservation unit, the heat preservation unit is mainly composed of materials with heat insulation effect, and the heat preservation unit is adjacent to the second side; A hot air supply unit communicating with the air flow channel, the hot air supply unit including a heater and a blower, according to which the hot air supply unit sends hot air to the air flow channel, thereby heating and insulating the heated object; A return air duct connecting the airbag unit and the hot air supply unit, and the return air duct 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, according to this 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 are controlled accordingly. The airbag type hot air insulation device according to claim 1, wherein the airbag unit includes a plurality of hollow inner airbags and a plurality of hollow inner communication pipes, wherein each of the airbags is respectively in a meandering shape, and each of the airbags is in sequence Arranged in tandem, each of the communication pipes is respectively arranged between the adjacent airbags, and each of the communication pipes respectively communicates with the adjacent airbags, according to the internal communication of each of the airbags and each of the communication pipes to form the Airflow channel. The airbag type hot air heat preservation device according to claim 2, wherein each of the airbags is made of a material having elasticity. The air bag type hot air heat preservation device according to claim 1, wherein the outer circumference of the return air pipe is covered with a heat insulating member, thereby reducing the heat energy loss of the hot air through the return air pipe. The air bag type hot air heat preservation device according to claim 1 or 4, wherein the return air pipe passes between the second side and the heat preservation unit, thereby reducing the heat energy loss of the hot air through the return air pipe. The airbag-type hot air heat preservation device according to claim 1, wherein the heat preservation unit includes a plurality of heat preservation structures, each of the heat preservation structures has a covering bag and a heat insulation felt, and each covering bag contains each of the partitions. Thermal felts, each of the thermal insulation felts is composed of aerogel composite nanomaterials with thermal insulation effect. The air bag type hot air heat preservation device according to claim 1, wherein the hot air supply unit is provided with an air inlet, and the air inlet is connected to the external environment, so that the hot air supply unit draws outside air. The air bag type hot air heat preservation device according to claim 1, wherein the heater communicates with the air flow channel, the blower communicates with the heater, and the blower draws air, and the heater heats the air to form the hot air, and the air flow The channel conveys the hot air. The air bag type hot air insulation device according to claim 1 or 8, wherein the heater is located between the air flow channel and the blower, and the air inlet end is provided on the blower. The airbag-type hot air 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 respectively The temperature and pressure of the hot air passing through the air flow channel are detected, and the temperature detector and the air pressure detector are respectively coupled to the control unit, thereby improving the efficiency of heating and keeping warm.

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