CN216203694U

CN216203694U - Intelligent hydrothermal type warmer

Info

Publication number: CN216203694U
Application number: CN202122443963.7U
Authority: CN
Inventors: 顿亚鹏; 潘小龙; 向钢
Original assignee: Hubei University of Automotive Technology
Current assignee: Hubei University of Automotive Technology
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-05
Anticipated expiration: 2031-10-11

Abstract

The utility model provides an intelligent hydrothermal type heater, which comprises a heater shell with an opening at the upper end and an opening at the lower end: a heating sleeve is arranged at the upper part of the heater shell, a heating cavity is formed in the heating sleeve, and a heat insulation layer is arranged between the periphery of the heating sleeve and the heater shell; the lower ends of the heating sleeve and the heat-insulating layer are supported on a heating cavity bottom plate, a fan support is arranged in the center of the heating cavity bottom plate, and an axial flow fan is arranged on the fan support; the room heater casing bottom is provided with the closed end plate that supports the fan support, and has seted up a plurality of air inlets on the closed end plate: the upper end of the heating sleeve is provided with a flow limiting piece corresponding to the heating cavity. The warmer has the advantages of compact structure, small occupied space, convenient use and easy arrangement; the heating of the room can be realized efficiently and safely.

Description

Intelligent hydrothermal type warmer

Technical Field

The utility model relates to the technical field of household appliances, in particular to an intelligent hydrothermal type heater.

Background

At present, most of traditional heaters in the market are direct heat source electromagnetic radiation type heaters, and have the hidden dangers of large fire, human and animal injuries and the like; in addition, for good heating effect, the conventional heaters are large in surface area, large in volume and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an intelligent hydrothermal type heater, which aims to solve the safety problem of the existing electromagnetic heater and improve the indoor heating condition in winter.

In order to solve the technical problem, the utility model provides an intelligent hydrothermal type heater, which comprises a heater shell with an opening at the upper end and an opening at the lower end:

a heating sleeve is arranged at the upper part of the warmer shell, a heating cavity is formed in the heating sleeve, and a heat insulation layer is arranged between the periphery of the heating sleeve and the warmer shell;

the lower ends of the heating sleeve and the heat-insulating layer are supported on the heating cavity bottom plate, a fan support is arranged in the center of the heating cavity bottom plate, and an axial flow fan is mounted on the fan support;

warmer shell bottom is provided with the closed end plate that supports the fan support, and has seted up a plurality of air inlets on the closed end plate:

and the upper end of the heating sleeve is provided with a flow limiting piece corresponding to the heating cavity.

Preferably, the heating sleeve is a hollow cylindrical structure made of a ceramic material;

the heating sleeve is uniformly provided with a plurality of ceramic heating elements along the circumferential direction of the heating sleeve, and the ceramic heating elements are sleeved with protective sleeves;

the heating sleeve cavity is filled with a heating medium, and a plurality of liquid inlet pipes communicated with the cavity are circumferentially arranged at the lower end of the heating sleeve.

Preferably, the heat preservation layer is of a multi-layer composite structure and is formed by compounding a micro-vacuum layer, an aluminum alloy grid layer and a rock wool layer which are arranged from inside to outside.

Preferably, the flow limiting piece is a heat insulation core body, the heat insulation core body is of a disc-shaped structure made of heat insulation materials, and a plurality of air holes are formed in the disc surface of the heat insulation core body.

Preferably, the axial flow fan consists of an axial flow fan and fan blades arranged at the shaft end of the fan; the outer diameter of the fan blade of the fan is smaller than the inner diameter of the heating sleeve.

Preferably, at least one group of atomizing mechanisms are arranged on the circumferential direction of the inner wall of the warmer shell above the flow limiting piece;

the atomizing mechanism comprises an atomizing pipe body, one end of the atomizing pipe body is provided with an air port and a fan arranged in the air port, and the front end of the atomizing pipe body is provided with an air outlet port;

a liquid storage cavity is arranged on the upper side of the atomizing pipe body, and liquid is dripped into the atomizing pipe body from the bottom end of the liquid storage cavity;

the atomizing unit is arranged on the lower side of the atomizing pipe body and corresponds to the liquid storage cavity.

Preferably, the atomizing unit is an ultrasonic atomizer or a negative pressure atomizer.

Preferably, a plurality of supporting legs are arranged on the bottom end of the closed end plate in the circumferential direction, and universal wheels are arranged at the lower ends of the supporting legs.

Preferably, the heating device further comprises a control system, wherein the control system comprises a control circuit electrically connected with the axial flow fan and the heating sleeve and a temperature sensor arranged in the heating sleeve.

Preferably, zeolite particles and a stabilizer are added into the heating medium in the cavity of the heating sleeve.

The technical scheme of the utility model at least comprises the following technical effects:

1. the room heater of this application embodiment, the axial fan that room heater casing lower extreme set up can be internal with the heating cavity is inhaled to the outside air to heat the air in the heating cavity through heating sleeve, the speed of current-limiting piece control air current discharge room heater, thereby along the outflow of air current, improve room heater air outlet wind-warm syndrome, the room heater compact structure of this kind of structure, occupation space is little, and it is convenient to use, easily arranges.

2. Compared with the existing electromagnetic warmer and the existing electric heating air conditioner, the heating mode of the warmer is converted from an electric heating mode to a hydrothermal mode, and the three heat-insulating layers are adopted, so that the heating efficiency is high, the safety of the warmer is higher, and dangerous factors such as open fire and the like are eliminated;

3. the heat-insulating core body can serve as a flow limiting function, the retention time of air flow in the heating sleeve can be reduced, and the heating effect of the air flow is improved;

4. in the embodiment of the application, water drops form water mist under the action of the atomizing mechanism, and then the water mist is blown out from the air outlet port by the fan; essence can be added into the liquid storage chamber, so that warm air can be humidified, indoor drying is prevented, and air purification can be performed.

Drawings

FIG. 1 is a front view of a warmer in an embodiment of the present application;

FIG. 2 is a cross-sectional view of the heater of FIG. 1 taken along line B-B;

FIG. 3 is a cross-sectional view of the heater F-F of FIG. 1;

FIG. 4 is a top view of the heater in the embodiment of the present application;

FIG. 5 is a schematic structural diagram of an atomizing mechanism in an embodiment of the present application;

FIG. 6 is a circuit diagram of a heater control system in an embodiment of the present application;

fig. 7 is a circuit diagram of a control circuit of an ultrasonic atomizing mechanism in an embodiment of the present application.

In the figure:

1. a heater; 2. a heating cavity bottom plate; 3. a liquid inlet pipe; 4. a protective pipe sleeve; 5. a ceramic heating element; 6. closing the end plate; 7. an axial flow fan; 8. a fan support; 9. a heat preservation core body; 10. a warmer housing; 11. fan blades; 12. a support leg; 13. an atomization mechanism; 1301. an atomizing tube body; 1302. an atomizing unit; 1303. a fan; 1304. a tuyere; 1305. a droplet; 1306. a reservoir chamber; 1307. an atomization chamber; 1308. an air outlet port; 14. a universal wheel; 15. a heat-insulating layer; 16. a micro-vacuum layer; 17. an aluminum alloy mesh layer; 18. a rock wool layer; 19. an air inlet; 20. the sleeve is heated.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.

An intelligent hydrothermal warmer, warmer 1 includes upper and lower open-ended warmer shell 10: a heating sleeve 20 is arranged at the upper part of the warmer shell 10, a heating cavity is formed in the heating sleeve, and a heat-insulating layer 15 is arranged between the periphery of the heating sleeve 20 and the warmer shell 10; the lower ends of the heating sleeve 20 and the heat-insulating layer 15 are supported on the heating cavity bottom plate 2, a fan support 8 is arranged in the center of the heating cavity bottom plate 2, and an axial flow fan 7 is mounted on the fan support; the 10 bottoms of room heater casing are provided with the closed end plate 6 that supports the fan support, and have seted up a plurality of air inlets 19 on the closed end plate 6: and a flow limiting piece is arranged at the upper end of the heating sleeve 20 corresponding to the heating cavity.

Specific examples, as shown in fig. 1-3: an intelligent hydrothermal warmer, warmer 1 includes upper and lower open-ended warmer shell 10: a heating sleeve 20 is arranged at the upper part of the warmer shell 10, a heating cavity is formed in the heating sleeve, and a heat-insulating layer 15 is arranged between the periphery of the heating sleeve 20 and the warmer shell 10; the lower ends of the heating sleeve 20 and the heat-insulating layer 15 are supported on the heating cavity bottom plate 2, a fan support 8 is arranged in the center of the heating cavity bottom plate 2, and an axial flow fan 7 is mounted on the fan support; the 10 bottoms of room heater casing are provided with the closed end plate 6 that supports the fan support, and have seted up a plurality of air inlets 19 on the closed end plate 6: and a flow limiting piece is arranged at the upper end of the heating sleeve 20 corresponding to the heating cavity.

Particularly, the room heater of this application embodiment, the axial fan that room heater casing lower extreme set up can be with the outside air suction heating internal to heat the air that heats the internal through heating sleeve, the speed of current-limiting piece control air current discharge room heater, thereby along the outflow of air current, improve room heater air outlet wind-warm syndrome, the room heater compact structure of this kind of structure, occupation space is little, and it is convenient to use, easily arranges.

In a preferred embodiment of the present application, as shown in fig. 2 and 3, the heating jacket 20 is a hollow cylindrical structure made of a ceramic material; the heating sleeve 20 is uniformly provided with a plurality of ceramic heating elements 5 along the circumferential direction, the ceramic heating elements can adopt ceramic heating pipes or ceramic heating rods, the ceramic heating elements 5 are sleeved with protective sleeve pipes 4, and the protective sleeve pipes can adopt copper pipes; a heating medium is filled in the cavity of the heating sleeve 20, and a plurality of liquid inlet pipes 3 communicated with the cavity are circumferentially arranged at the lower end of the heating sleeve 20; the heating medium can be pure water or oil, zeolite particles and a stabilizer are added into the heating medium in the cavity of the heating sleeve 20, and particularly when pure water is used as the heating medium, the zeolite and the water stabilizer are added, so that the heating medium at the ceramic heating pipe can be prevented from bumping, the heat exchange effect of the ceramic heating pipe can be improved, the ceramic heating pipe can be subjected to corrosion and scale inhibition effects, and the service life of the ceramic heating pipe can be prolonged; the ratio of the liquid level height of the heating medium to the cavity height of the heating sleeve can be set to be 3:4, so that the safety of the heating sleeve is guaranteed.

In another preferred embodiment of the present application, as shown in fig. 2, the insulating layer 15 is a multi-layer composite structure, and is formed by combining a micro vacuum layer 16, an aluminum alloy mesh layer 17 and a rock wool layer 18 which are arranged from inside to outside. In the embodiment, whether the thickness of the micro vacuum layer is 3-10mm is determined to be proper or not; the aluminum alloy grid layer is a honeycomb grid structure made of aluminum alloy, whether the grid density is proper or not is determined at 50-80%, and the aluminum alloy grid layer can further collect and retain heat transferred in the radial direction; the rock wool layer that sets up outside the aluminum alloy grid layer can further blockade the heat and remain to can form good heat preservation effect to the heating jacket pipe.

Based on above embodiment, heating sleeve and the heat preservation structure that the room heater adopted compare with current electromagnetism room heater, electric heat formula air conditioner, and this application room heater heating method turns into hydrothermal formula by the electric heat to adopt the three-layer heat preservation, heat efficiently, and the security of room heater is higher, relieves dangerous factors such as naked light.

In another preferred embodiment of the present application, as shown in fig. 3 and 4, the flow limiting member is a heat insulating core 9, the heat insulating core 9 is a disk structure made of a heat insulating material, and a plurality of air holes are formed on a disk surface of the heat insulating core 9. In the embodiment, the heat-insulating core body can be made of porous phenolic foam materials, and the structural strength and the mechanical property of the heat-insulating core body can be improved by utilizing a foaming agent, a curing agent and the like; reinforcing ribs are arranged between the circumferential wall edge of the lower side of the heat-preservation core body and the inner circumference of the heating sleeve, the reinforcing ribs can be used for fixing the heat-preservation core body, and the reinforcing ribs can further transfer the heat of the heating sleeve to the heat-preservation core body, so that the heating efficiency of the heating sleeve is improved; in addition, the heat preservation core can act as the current-limiting effect, can reduce the residence time of the interior air current of heating jacket, improves the heating effect to the air current.

In another preferred embodiment of the present application, as shown in fig. 2 and 3, the axial flow fan 7 is composed of an axial flow fan and a fan blade 11 disposed at a fan shaft end; the outer diameter of the fan blade 11 is smaller than the inner diameter of the heating sleeve. The temperature rising air in the heating cavity in the heating sleeve not only has an external driving force due to the upward blowing of the axial flow fan, but also has an internal driving force which is moved upwards along with the reduction of the temperature rising density of the air; the axial fan adopts less axial flow motor power, adopts big and wide fan flabellum, can promote the silence nature of room heater.

In another preferred embodiment of the present application, as shown in fig. 2, 5 and 7, at least one set of atomizing mechanisms 13 is arranged on the inner wall of the warmer shell 10 circumferentially above the flow restriction; three groups of atomization mechanisms can be adopted in the embodiment; the atomizing mechanism 13 comprises an atomizing pipe body 1301, one end of the atomizing pipe body 1301 is provided with an air port 1304 and a fan 1303 arranged in the air port, and the front end of the atomizing pipe body 1301 is provided with an air outlet port 1308; a liquid storage cavity 1306 is arranged on the upper side of the atomizing pipe body 1301, and liquid is dripped into the atomizing pipe body from the bottom end of the liquid storage cavity 1306; an atomizing unit 1302 is arranged on the lower side of the atomizing pipe body 1301 and corresponds to the liquid storage cavity 1306; the atomizing unit 1302 is an ultrasonic atomizer or a negative pressure atomizer. In this embodiment, liquid in the liquid storage chamber provided on the atomizing mechanism is dropped to form droplets 1305, and the droplets form water mist under the action of the atomizing unit provided on the lower side of the droplets, and then the atomized droplets are blown out from the air outlet port by the fan; in addition, essence can be added into the liquid storage chamber, and the warmer provided by the type of the heater can humidify warm air, prevent indoor drying and purify air.

In another embodiment of the present application, as shown in fig. 1 or fig. 2, a plurality of support legs 12 are circumferentially arranged at the bottom end of the closed end plate 6, and universal wheels 14 are arranged at the lower ends of the support legs 12; the movable warmer can be used for moving and fixing the warmer, and the warmer is more convenient to use.

In another embodiment of the present application, as shown in fig. 1 or fig. 2, the present invention further includes a control system, the control system includes a control circuit electrically connected to the axial fan 7 and the heating sleeve 20, and a temperature sensor disposed in the heating sleeve, the control circuit is integrated in the heater housing outside the heat-insulating layer, the temperature sensor is disposed in the heating sleeve for detecting the temperature of the heating sleeve, a plurality of operating status indicator lights are disposed in cooperation with the temperature sensor and the control circuit, and each indicator light is disposed on the heater housing; the control circuit can control the normal operation of the warmer.

The use method or the working principle of the utility model are as follows:

the control circuit theory of operation of room heater of this application embodiment: as shown in fig. 6, when the ambient temperature is within the preset temperature range, the voltage at the inverting terminal of the comparator is higher than the voltage at the non-inverting terminal, the comparator outputs a low level, the transistor is turned off, and the light emitting diode D3 is turned on. When the ambient temperature is lower than the temperature set value, the comparator outputs high level, the triode is conducted, the light emitting diode D3 is turned off, and the light emitting diode D4 is turned on; meanwhile, the triode is conducted to enable the current of the coil of the relay to flow, the relay acts, the normally open contact J1 is attracted, the heating sleeve circuit is connected, the heating sleeve is started, and the heater is started. When the ambient temperature risesWhen the set value is reached, the comparator overturns to output low level, the triode is cut off, the relay is released, the J1 is disconnected, the heater stops heating, and the indicator light D is used for indicating the heating of the heater₄Is illuminated. The power supply of the control circuit is taken from 220V alternating current of mains supply, is subjected to voltage reduction by a capacitor C1 and then is rectified by a diode, and a capacitor C₃Filtering, and outputting 5V by the voltage-stabilized 78L05 to supply power to LM358 and the temperature sensor.

The control circuit operating principle of the atomization mechanism in the embodiment of the application is as follows: as shown in fig. 7, the atomizing mechanism adopts alternating current 220V voltage, and the alternating current is reduced to 36V through a transformer, rectified by D1-D4 and filtered by C5-C6, and then provides working voltage for the liquid level control circuit and the oscillating circuit; when the water level detection electrodes detect that enough water exists in the liquid storage cavity, rectified direct-current voltage provides working voltage for BG3 through a resistor between the two water level electrodes, so that BG3 is conducted, a BG3 collector outputs high level, BG2 is also conducted, and bias voltage is provided for the oscillator; after the oscillator starts oscillation, the ultrasonic transducer TD generates high-frequency vibration to atomize water into water mist.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the utility model, and such modifications and enhancements are also considered to be within the scope of the utility model.

Claims

1. An intelligent hydrothermal heater, characterized in that, the heater (1) includes a heater shell (10) with upper and lower ends open:

a heating sleeve (20) is arranged at the upper part of the warmer shell (10), a heating cavity is formed in the heating sleeve, and a heat insulation layer (15) is arranged between the periphery of the heating sleeve (20) and the warmer shell (10);

the lower ends of the heating sleeve (20) and the heat-insulating layer (15) are supported on the heating cavity bottom plate (2), a fan support (8) is arranged in the center of the heating cavity bottom plate (2), and an axial flow fan (7) is arranged on the fan support;

warmer casing (10) bottom is provided with sealed end plate (6) that supports the fan support, and has seted up a plurality of air inlets (19) on sealed end plate (6):

and a flow limiting piece is arranged at the upper end of the heating sleeve (20) corresponding to the heating cavity.

2. The intelligent hydrothermal warmer of claim 1, wherein: the heating sleeve (20) is of a hollow cylindrical structure made of a ceramic material;

the heating sleeve (20) is uniformly provided with a plurality of ceramic heating elements (5) along the circumferential direction, and the ceramic heating elements (5) are sleeved with a protective sleeve (4);

the heating sleeve (20) cavity is filled with a heating medium, and a plurality of liquid inlet pipes (3) communicated with the cavity are arranged at the lower end of the heating sleeve (20) in the circumferential direction.

3. The intelligent hydrothermal warmer of claim 1, wherein: the heat-insulating layer (15) is of a multi-layer composite structure and is formed by compounding a micro-vacuum layer (16), an aluminum alloy grid layer (17) and a rock wool layer (18) which are arranged from inside to outside.

4. The intelligent hydrothermal warmer of claim 1, wherein: the flow limiting piece is a heat insulation core body (9), the heat insulation core body (9) is of a disc-shaped structure made of heat insulation materials, and a plurality of air holes are formed in the disc surface of the heat insulation core body (9).

5. The intelligent hydrothermal warmer of claim 1, wherein: the axial flow fan (7) consists of an axial flow fan and fan blades (11) arranged at the shaft end of the fan; the outer diameter of the fan blade (11) is smaller than the inner diameter of the heating sleeve.

6. An intelligent hydrothermal warmer, as claimed in any one of claims 1-5, wherein: at least one group of atomizing mechanisms (13) are arranged on the inner wall of the warmer shell (10) in the circumferential direction above the flow limiting piece;

the atomizing mechanism (13) comprises an atomizing pipe body (1301), one end of the atomizing pipe body (1301) is provided with an air port (1304) and a fan (1303) arranged in the air port, and the front end of the atomizing pipe body (1301) is provided with an air outlet port (1308);

a liquid storage cavity (1306) is arranged on the upper side of the atomizing pipe body (1301), and liquid drops are dripped into the atomizing pipe body from the bottom end of the liquid storage cavity (1306);

and an atomizing unit (1302) is arranged on the lower side of the atomizing pipe body (1301) and corresponds to the liquid storage chamber (1306).

7. The intelligent hydrothermal warmer of claim 6, wherein: the atomizing unit (1302) is an ultrasonic atomizer or a negative pressure atomizer.

8. The intelligent hydrothermal warmer of claim 6, wherein: a plurality of supporting legs (12) are arranged on the bottom end of the closed end plate (6) in the circumferential direction, and universal wheels (14) are arranged at the lower ends of the supporting legs (12).

9. The intelligent hydrothermal warmer of claim 6, wherein: the device also comprises a control system, wherein the control system comprises a control circuit electrically connected with the axial flow fan (7) and the heating sleeve (20) and a temperature sensor arranged in the heating sleeve.

10. The intelligent hydrothermal warmer of claim 2, wherein: zeolite particles and a stabilizing agent are added into a heating medium in the cavity of the heating sleeve (20).