CN214701221U - Heating device and range hood - Google Patents

Abstract

The utility model relates to a lampblack absorber field provides a heating device and lampblack absorber, and heating device includes the heating casing, and inside is formed with the runner, the heating casing be provided with inlet and the liquid outlet of runner intercommunication, the inlet be provided with the inlet can be dismantled the feed liquor pipe of connection, the liquid outlet is provided with the drain pipe. According to the utility model discloses heating device can dismantle through the inlet and the feed liquor pipe that will heat the casing and be connected, can simplify production technology, and reduction in production cost can make things convenient for inlet and feed liquor pipe to carry out the high-speed joint again, simplifies heating device's installation procedure, and the convenience is maintained heating device.

Description

Heating device and range hood

Technical Field

The utility model relates to a lampblack absorber field especially relates to a heating device and lampblack absorber.

Background

At present, the range hood becomes one of the necessary kitchen equipment of ordinary families, because the culinary art custom of Chinese family, produce a large amount of oil fumes when leading to cooking, after the range hood uses a period, wind wheel and spiral case internal surface can adsorb a lot of greasy dirt, do not wash for a long time, can lead to a large amount of accumulations of greasy dirt, influence the performance of range hood, because the greasy dirt is easily fired, can cause the conflagration even in serious time.

In order to enhance the self-cleaning capability of the range hood, a heating device is arranged in the range hood, and water is heated through the heating device, so that oil stains are softened to enhance the cleaning effect. But the liquid inlet and the liquid inlet pipe of the existing heating device have the problem of inconvenient installation and maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a heating device to there is the inconvenient problem of installation and maintenance in current heating device to solve.

The utility model discloses still provide a lampblack absorber.

According to the utility model discloses heating device of first aspect embodiment includes:

the heating shell is internally provided with a runner, the heating shell is provided with a liquid inlet and a liquid outlet which are communicated with the runner, the liquid inlet is provided with a liquid inlet pipe which is detachably connected with the liquid inlet, and the liquid outlet is provided with a liquid outlet pipe.

According to the utility model discloses heating device can dismantle through the inlet and the feed liquor pipe that will heat the casing and be connected, can simplify production technology, and reduction in production cost can make things convenient for inlet and feed liquor pipe to carry out the high-speed joint again, simplifies heating device's installation procedure, and the convenience is maintained heating device.

According to the utility model discloses an embodiment, the surface of feed liquor pipe first end is provided with the screw thread, the first end of feed liquor pipe with inlet screw-thread fit.

According to the utility model discloses an embodiment, the surface of feed liquor pipe second end along the length direction interval of feed liquor pipe is provided with protruding stupefied.

According to the utility model discloses an embodiment, the surface at feed liquor pipe middle part is provided with the clamping part.

According to the utility model discloses an embodiment, the bore of inlet is greater than the bore of liquid outlet.

According to the utility model discloses an embodiment, the cross section of runner is followed the inlet extremely the liquid outlet reduces gradually.

According to the utility model discloses an embodiment still includes:

the heating member, the heating member set up in the inside of heating casing, and be located one side of runner, the heating casing is close to the wall thickness of heating member one side is greater than keeps away from the wall thickness of heating member one side.

According to the utility model discloses an embodiment still includes:

the heat preservation shell, the heat preservation shell includes first casing and second casing, first casing with the mutual lock of second casing encloses into first holding the chamber, the heating casing set up in first holding the intracavity.

According to the utility model discloses lampblack absorber of second aspect embodiment, including the lampblack absorber body with set up in inside washing nozzle and the water pump of lampblack absorber body still include as above heating device, heating device set up in inside the lampblack absorber body, the inlet of heating casing with the play water end intercommunication of water pump, the liquid outlet of heating casing with wash the nozzle intercommunication.

According to the utility model discloses an embodiment still includes:

the box opening of the mounting box is covered with a box cover, the box cover is detachably connected with the mounting box, and the heating shell is arranged in the mounting box;

the water pump support is arranged in the mounting box, and the water pump is mounted on the water pump support.

The embodiment of the utility model provides an in above-mentioned one or more technical scheme, one of following technological effect has at least:

according to the utility model discloses heating device can dismantle through the inlet and the feed liquor pipe that will heat the casing and be connected, can simplify production technology, and reduction in production cost can make things convenient for inlet and feed liquor pipe to carry out the high-speed joint again, simplifies heating device's installation procedure, and the convenience is maintained heating device.

Further, according to the utility model discloses the lampblack absorber, through using the utility model discloses the installation steps of lampblack absorber can be simplified to heating device, and the convenience is maintained the lampblack absorber.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic side view, sectional structure of a heating device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a heating housing provided by an embodiment of the present invention at an angle;

fig. 3 is a schematic structural diagram of a heating shell according to another angle provided by the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a heating element according to an embodiment of the present invention;

fig. 5 is a schematic structural view of another heating element according to an embodiment of the present invention;

fig. 6 is an assembly relationship structure diagram of the heating device, the water pump, the mounting box and the water pump bracket provided by the embodiment of the utility model.

Reference numerals:

110. heating the housing; 111. a liquid inlet pipe; 112. a liquid outlet pipe; 113. a flow channel; 114. a temperature controller; 116. a limiting step; 117. a clamping portion; 120. a heating member; 130. a heat preservation shell; 131. a first housing; 132. a second housing; 133. a support frame; 140. a water pump; 150. mounting a box; 151. a box cover; 160. a water pump bracket.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The inlet of the heating device of the existing range hood is connected with the liquid inlet pipe through integrated molding or adhesive bonding, the liquid inlet pipe is not only inconvenient to install, but also easy to leak, and the later stage is more troublesome if the flow channel inside the heating device needs to be cleaned, so that the heating device which is convenient to install is urgently needed.

Fig. 1 illustrates a schematic side view sectional structure of a heating device, and as shown in fig. 1, the heating device includes a heating housing 110, a flow channel 113 is formed inside the heating housing 110, the heating housing 110 is provided with a liquid inlet and a liquid outlet communicated with the flow channel 113, the liquid inlet is provided with a liquid inlet pipe 111 detachably connected to the liquid inlet, and the liquid outlet is provided with a liquid outlet pipe 112. According to the utility model discloses heating device can dismantle through the inlet that will heat casing 110 and feed liquor pipe 111 and be connected, can simplify production technology, and reduction in production cost can make things convenient for inlet and feed liquor pipe 111 to carry out the high-speed joint again, simplifies heating device's installation procedure, and the convenience is maintained heating device.

According to the embodiment of the utility model, fig. 2 illustrates the utility model provides a heating shell 110 is at the schematic structure under an angle, as shown in fig. 2, the surface of feed liquor pipe 111 first end is provided with the screw thread, feed liquor pipe 111 first end and inlet screw-thread fit. The liquid inlet pipe 111 and the liquid inlet are connected through the threads, so that the production process can be simplified, the production cost is reduced, the liquid inlet pipe 111 can be conveniently mounted and dismounted, the mounting steps of the heating device are simplified, and the later maintenance of the interior of the flow channel 113 is facilitated.

According to the embodiment of the utility model, fig. 3 illustrates the utility model provides a heating shell 110 is the schematic structure under another kind of angle, as shown in fig. 3, the surface of feed liquor pipe 111 second end is provided with protruding stupefied along the length direction interval of feed liquor pipe 111, and protruding stupefied is protruding stupefied for the annular, and protruding stupefied external diameter is greater than rather than the internal diameter of being connected flexible line. The outer surface of the liquid inlet pipe 111 is provided with the convex edge, so that the friction force between the liquid inlet pipe and the flexible pipeline can be increased, and the flexible pipeline is prevented from falling off. During installation, the flexible pipeline is sleeved on the outer surface of the liquid inlet pipe 111, so that the flexible pipeline is quickly connected with the liquid inlet pipe 111. Similarly, outlet tube 112 may be flanged to facilitate connection of outlet tube 112 to a flexible line.

According to the utility model discloses an embodiment, the surface at feed liquor pipe 111 middle part is provided with clamping part 117, adds the portion of holding and feed liquor pipe 111 integrated into one piece, and the outer peripheral face that adds the portion of holding is provided with a plurality of clamping planes. When the liquid inlet pipe 111 is disassembled, the liquid inlet pipe 111 can be disassembled only by rotating the clamping plane of the clamping part 117 with a tool (wrench), and certainly, the liquid inlet pipe 111 can be installed on the liquid inlet only by rotating reversely during installation.

According to the utility model discloses an embodiment, the bore of inlet is greater than the bore of liquid outlet, because the bore of inlet is greater than the bore of liquid outlet, the velocity of flow can accelerate when the medium in runner 113 flows through the liquid outlet, and the reinforcing is to the washing effect of greasy dirt, further strengthens the cleaning performance of lampblack absorber.

It should be noted here that the aperture of the liquid inlet is larger than the aperture of the liquid outlet, and after the medium enters the flow channel 113, because the liquid inlet is large and the liquid outlet is small, the time that part of the medium stays in the flow channel 113 is prolonged, so that the temperature of the heated medium is increased, and the flushing effect on the oil stains is further enhanced. The liquid inlet is arranged at one end of the heating shell 110, and the liquid outlet is arranged at the other end of the heating shell 110, so that the length of the flow channel 113 is prolonged, the time of the medium passing through the flow channel 113 is prolonged, and the temperature of the medium after heating is improved.

According to the utility model discloses an embodiment, heating casing 110 is made by the metal, and metal material's heating casing 110 has fine heat conductivity, and the heat that heating member 120 produced is transmitted the medium in runner 113 by heating casing 110 for the temperature of medium risees, and the temperature when improving the medium and washing the greasy dirt strengthens the washing effect to the greasy dirt. The heating case 110 is manufactured by a casting technique, which can simplify a manufacturing process and reduce a production cost.

According to the utility model discloses an embodiment, runner 113's cross section reduces from inlet to liquid outlet gradually, and runner 113's cross section reduces the velocity of flow when can making the medium flow out and accelerates, strengthens the medium to the washing effect of greasy dirt. When the cross section of the flow channel 113 is circular, the inner diameter of the flow channel 113 gradually decreases from the liquid inlet to the liquid outlet, and the flow channel 113 is a cone, but the cross section of the flow channel 113 is not limited thereto, and the cross section of the flow channel 113 may be oval, square or other shapes.

According to the utility model discloses an embodiment, the inlet sets up in the one end of heating casing 110, and the liquid outlet sets up in the other end of heating casing 110, and the aim at that sets up like this prolongs the length of runner 113 under the fixed condition of size of heating casing 110, and the time that the medium flowed through runner 113 is longer like this, and the temperature after the heating is higher. Of course, the flow channel 113 may also be made into a spiral shape, so that the flow channel 113 can be made longer, the time for the medium to pass through the flow channel 113 is further prolonged, the temperature of the heated medium is further increased, and the volume of the heating shell 110 is reduced.

According to the utility model discloses an embodiment, heating device still includes heating member 120, and heating member 120 sets up in the inside of heating casing 110, and is located one side of runner 113, and the wall thickness that heating casing 110 is close to heating member 120 one side is greater than the wall thickness of keeping away from heating member 120 one side. The purpose of thickening the wall thickness of the heating housing 110 on the side close to the heating member 120 is to provide a space for installing the heating member 120, and to reduce the heat loss generated by the heating member 120.

According to the utility model discloses an embodiment, heating member 120 is the U type heating rod, and the heating rod is embedded into heating housing 110 among heating housing 110 casting process, sets the heating rod to the U type, can increase the contact surface of heating rod and heating housing 110, reduces the space that the heating rod occupy, further reduces heating device's volume. Of course, the type of the heating element 120 is not limited thereto, the heating element 120 may also be a heating sheet or a heating wire, the installation manner of the heating element 120 is not limited thereto, and the heating element 120 may also be directly disposed in the flow channel 113, so that when the medium passes through the flow channel 113, the heating element 120 may directly heat the medium, thereby reducing heat loss and improving heating efficiency.

According to an embodiment of the present invention, fig. 4 illustrates a structural schematic diagram of a heating element 120 provided by the present invention, as shown in fig. 4, the heating rod is spiral, and the spiral heating rod surrounds the periphery of the flow channel 113, which not only increases the contact surface with the flow channel 113, but also heats the medium in the flow channel 113 through multiple directions, thereby further improving the heating efficiency.

According to an embodiment of the present invention, fig. 5 illustrates a schematic structural view of another heating element 120 provided by the embodiment of the present invention, as shown in fig. 5, the heating rod includes a straight pipe section and a curved section connected to the straight pipe section, and the heating rod is cast inside during the manufacturing process of the heating shell 110, and is located at one side of the flow channel 113. Of course, the specific shape of the heating rod is not limited to the above example, and the heating rod may be provided in other shapes.

According to the utility model discloses an embodiment, heating device still includes heat preservation shell 130, and heat preservation shell 130 is inside to be formed with the first chamber that holds, and heating shell 110 sets up in the first intracavity that holds, is provided with the through-hole on the heat preservation shell 130. The heat preservation shell 130 is made of a heat preservation material, and on one hand, the heat preservation shell 130 reduces heat loss of the heating shell 110 and improves heat efficiency; on the other hand, the heat insulation effect is achieved, and the temperature of the outer surface is prevented from being overheated. The purpose of arranging the through holes is to enable the liquid inlet pipe 111 and the liquid outlet pipe 112 to extend out, two through holes, namely a first through hole and a second through hole, are arranged in the heat preservation shell 130, the first through hole is arranged at one end of the heat preservation shell 130, and the liquid inlet pipe 111 extends out of the first through hole; the second through hole is arranged at the other end of the heat preservation shell 130, and the liquid outlet pipe 112 extends out of the second through hole.

According to an embodiment of the present invention, fig. 6 illustrates an assembly relationship structure diagram of the heating device, the water pump 140, the mounting box 150 and the water pump bracket 160 provided by the embodiment of the present invention, as shown in fig. 6, the heat preservation shell 130 includes the first shell 131 and the second shell 132, the first shell 131 and the second shell 132 are mutually buckled to form a first accommodating cavity, and the heating shell 110 is disposed in the first accommodating cavity. A first notch is formed in the edge, close to the second shell 132, of one end of the first shell 131, a first notch is formed in the edge, close to the first shell 131, of one end of the second shell 132, and when the first shell 131 and the second shell 132 are buckled with each other, the two first notches form a first through hole; similarly, a second notch is formed at the edge of the other end of the first casing 131 close to the second casing 132, and a second notch is formed at the edge of the other end of the second casing 132 close to the first casing 131, and when the first casing 131 and the second casing 132 are engaged with each other, the two second notches form a second through hole.

According to the utility model discloses an embodiment, the border of liquid outlet is provided with spacing step 116, and when first casing 131 and second casing 132 each other buckled, in clamping part 117 card goes into first through-hole, in clamping part 117 and the border butt of first through-hole, spacing step 116 card goes into the second through-hole, the border butt of spacing step 116 and second through-hole. Because the volume of the heating shell 110 is smaller than the space of the first accommodating cavity, when the heating shell 110 is arranged in the first accommodating cavity, only the clamping part 117 and the limiting step 116 contact with the edge of the corresponding through hole, and a gap is formed between the heating shell 110 and the inner wall of the heat-insulating shell 130, because the heat-conducting property of air is poor, the gap forms a good heat-insulating structure, the heat transmitted to the heat-insulating shell 130 by the heating shell 110 is reduced, the heat loss of the heating shell 110 is reduced, and the heat efficiency is improved.

According to the utility model discloses an embodiment, all be provided with the screw hole on first casing 131 and the second casing 132, first casing 131 passes through the screw connection with second casing 132, during the dismantlement, only needs to lift the screw off, alright open heat preservation shell 130.

According to the utility model discloses an embodiment, first casing 131 is provided with the buckle, and second casing 132 is provided with the block tongue, and when first casing 131 and second casing 132 lock, buckle and block tongue lock use buckle and the installation of block tongue and dismantle heat preservation shell 130, can realize the convenient and quick dismouting of casing. Of course, the second housing 132 may be provided with a latch, and the first housing 131 may be provided with a latch.

According to the utility model discloses an embodiment, the surface of heating casing 110 is provided with two temperature controllers 114, and the surface of heating casing 110 is provided with the recess, and temperature controller 114 is embedded in the recess, and temperature controller 114 is used for preventing that the temperature of heating casing 110 from surpassing predetermined temperature and overheated arousing the aqueous medium vaporization, keeps heating casing 110 to work in its temperature interval of injecing constantly, ensures medium temperature invariant and electrical apparatus safety. The more the number of the thermostats 114, the more accurate the temperature of the heating housing 110 is detected, and in specific implementation, the number of the thermostats 114 can be determined according to the temperature precision requirement and the production cost requirement.

The utility model also provides a lampblack absorber, the lampblack absorber includes the lampblack absorber body and sets up in inside washing nozzle and the water pump 140 of lampblack absorber body, still includes an above-mentioned arbitrary embodiment heating device, heating device sets up inside the lampblack absorber body, the inlet of heating casing 110 and water pump 140's play water end intercommunication, the liquid outlet and the washing nozzle intercommunication of heating casing 110.

According to the utility model discloses an embodiment, as shown in fig. 6, the lampblack absorber still includes mounting box 150 and water pump support 160, and mounting box 150's box flap has closed lid 151, and lid 151 can dismantle with mounting box 150 and be connected, and heating shell 110 sets up in mounting box 150. The water pump bracket 160 is disposed in the mounting box 150, and the water pump 140 is mounted on the water pump bracket 160. The water pump 140 is used to pump the medium from the outside into the flow channel 113 and to provide sufficient pressure for the medium when washing the oil. The water pump 140 and the heating element 120 are respectively electrically connected with a control panel of the range hood, and the control panel controls the operation and stop of the water pump 140 and the heating element 120. The water pump bracket 160 is arranged in the mounting box 150, the water pump 140 is mounted on the water pump bracket 160, and the water pump bracket 160 provides a mounting base and a support for the water pump 140.

According to the utility model discloses an embodiment, lid 151 all is provided with the screw hole with mounting box 150, and lid 151 passes through bolted connection with mounting box 150, and mounting box 150 all is provided with the louvre with lid 151. The box cover 151 and the mounting box 150 are connected by screws, so that the box cover 151 can be conveniently opened, and the water pump 140 and the heating device can be conveniently maintained.

According to the utility model discloses an embodiment, the box mouth of mounting box 150 passes through the hinge and is connected with lid 151, is provided with the hasp on the mounting box 150, is provided with the spring bolt on the lid 151, hasp and spring bolt looks lock. Of course, the mounting box 150 and the box cover 151 can be connected in other manners; for example, a sliding groove and a sliding rail may be adopted to cooperate, and when the sliding groove and the sliding rail move relatively, the opening and closing of the mounting box 150 is realized.

According to the utility model discloses an embodiment, water pump support 160 card is gone into in mounting box 150, and during water pump support 160's mounting hole was located to water pump 140 cover, water pump support 160 can play the supporting role to water pump 140, can play vibration/noise reduction effect again. Of course, the connection relationship between the water pump 140 and the water pump holder 160 is not limited to this, and the water pump 140 may be fixed to the water pump holder 160 by screws or may be connected by other connection methods.

According to the utility model discloses an embodiment, heat preservation shell 130 is provided with support frame 133, support frame 133 and mounting box 150's inner wall butt. The supporting frame 133 not only supports the heat-insulating case 130, but also prevents the heat-insulating case 130 from contacting the mounting box 150, thereby reducing heat loss of the heating case 110, improving heat efficiency, and preventing the surface temperature of the mounting box 150 from being overheated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.

Claims (10)

1. A heating device, comprising:

heating casing (110), inside runner (113) that is formed with, heating casing (110) be provided with inlet and liquid outlet of runner (113) intercommunication, the inlet be provided with liquid inlet pipe (111) that the connection can be dismantled to the inlet, the liquid outlet is provided with drain pipe (112).

2. The heating device according to claim 1, wherein the outer surface of the first end of the liquid inlet pipe (111) is provided with a thread, and the first end of the liquid inlet pipe (111) is in threaded engagement with the liquid inlet.

3. The heating device according to claim 2, wherein the outer surface of the second end of the liquid inlet pipe (111) is provided with ridges at intervals along the length direction of the liquid inlet pipe (111).

4. A heating device according to claim 2 or 3, characterized in that the outer surface of the middle part of the liquid inlet pipe (111) is provided with a clamping part (117).

5. A heating device as claimed in any one of claims 1 to 3, wherein the aperture of the liquid inlet is larger than the aperture of the liquid outlet.

6. A heating device according to any one of claims 1-3, wherein the cross-section of the flow channel (113) decreases from the inlet to the outlet.

7. The heating device according to any one of claims 1 to 3, further comprising:

the heating part (120), the heating part (120) set up in the inside of heating casing (110), and be located one side of runner (113), heating casing (110) are close to the wall thickness of heating part (120) one side is greater than keep away from the wall thickness of heating part (120) one side.

8. The heating device according to any one of claims 1 to 3, further comprising:

heat preservation shell (130), heat preservation shell (130) include first casing (131) and second casing (132), first casing (131) with second casing (132) lock each other encloses into first holding the chamber, heating casing (110) set up in first holding the intracavity.

9. The utility model provides a range hood, include the lampblack absorber body with set up in inside washing nozzle and water pump (140) of lampblack absorber body, its characterized in that still includes any one of claim 1 to 8 heating device, heating device set up in inside the lampblack absorber body, the inlet of heating casing (110) with the play water end intercommunication of water pump (140), the liquid outlet of heating casing (110) with washing nozzle intercommunication.

10. The range hood of claim 9, further comprising:

the heating device comprises a mounting box (150), a box cover (151) is covered at a box opening of the mounting box (150), the box cover (151) is detachably connected with the mounting box (150), and the heating shell (110) is arranged in the mounting box (150);

the water pump bracket (160), the water pump bracket (160) set up in mounting box (150), water pump (140) are installed in water pump bracket (160).

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