CN208253679U - Range hood - Google Patents

Abstract

The utility model relates to a kind of range hoods.The range hood includes shell, touch switch and indication panel；The shell offers mounting hole, and the touch switch part is embedded in the mounting hole, and the indication panel is covered on the shell away from the surface of the touch switch and covers the mounting hole；The touch switch include button circuit board, the multiple trigger member being set on the button circuit board and with the one-to-one multiple conductive executive items of each trigger member, the button circuit board is provided with touch induction circuit, each conductive executive item of the anode connection of the touch induction circuit, the cathode of the touch induction circuit connects each trigger member, each trigger member is corresponding with a conductive executive item, and the on-off by being electrically connected a functional switch of the touch induction circuit for controlling the range hood.The range hood can be realized the on-off every empty control touch switch, and touch-control sensitivity is higher.

Description

Range hood

Technical field

The utility model relates to kitchen utensils technical fields, more particularly to a kind of range hood.

Background technique

In the prior art, the soft-touch control of many electronic products is all made of capacitance induction principle realization.Especially by The thin plate of one piece of nonmetallic materials is set before soft-touch control, which generally uses the material such as glass, plastics and Ya Keli It is made.The corresponding position on nonmetallic thin plate is touched by human finger, to realize the on-off of control soft-touch control.

Wherein, the soft-touch control of range hood is also to be designed using capacitance induction principle, i.e., is directly touched by finger The corresponding position for touching switch, which can be realized, controls its on-off.However, during the cooking process, the both hands of user be often stained with oil or Water, to be inconvenient to touch.And be to overcome this defect, gesture control is proposed in the prior art, by using infrared spy Head achievees the purpose that the on-off of control switch using infrared emission and reception technique.And this infrared gesture control needs Multiple infrared probes are installed, and design probe positions and arrangement by specific requirement, occupied space is more, and it is red to pop one's head in Outside line, which passes through opaque non-metallic layer, to decay, and seriously affect sensitivity.

Utility model content

Based on this, it is necessary to control oil suction every sky at a distance for can not more sensitive, easily realize in the prior art Smoke machine touch switch on-off solves the problems, such as the hand touch-control range hood on-off of user's greasy dirt, and providing one kind can be realized far Distance every the on-off of empty control touch switch, can avoid when user carries out control touch switch on-off using greasy dirt hand sensitivity compared with Low range hood.

A kind of range hood, including shell, touch switch and indication panel；The shell offers mounting hole, described Touch switch part is embedded in the mounting hole, and the indication panel is covered on the table that the shell deviates from the touch switch Face simultaneously covers the mounting hole；Multiple touchings that the touch switch includes button circuit board, is set on the button circuit board Outbox and with the one-to-one multiple conductive executive items of each trigger member, the button circuit board is provided with touch sensible electricity Road, each conductive executive item of the anode connection of the touch induction circuit, the cathode of the touch induction circuit connect each institute Trigger member is stated, each trigger member is corresponding with a conductive executive item, and by being electrically connected the touch induction circuit For controlling the on-off of a functional switch of the range hood.

Multiple icon layers, each functional diagram are provided on the indication panel in one of the embodiments, Mark layer is correspondingly arranged with a trigger member.

The indication panel includes rectangular glass panels in one of the embodiments,.

The indication panel is provided with identification part in one of the embodiments, and each icon layer is all set in On the identification part.

The range hood further includes Decorative Cover in one of the embodiments, is provided with discharge pipe in the Decorative Cover, The shell is fixedly installed on one end of the Decorative Cover.

Each trigger member is spring electric conductor in one of the embodiments, and each spring electric conductor is distinguished It is alternatively arranged and is set on the button circuit board.

The touch switch includes switch enclosure and lid in one of the embodiments, and the switch enclosure is set to described Shell deviate from the indication panel side, the switch enclosure have one opening, the button circuit board, each trigger member with And each conductive executive item is placed in the switch enclosure by the opening, the lid sealing cover is set to the switch The opening of box.

The touch switch further includes bracket in one of the embodiments, and the switch enclosure is installed in the bracket activity In on the shell.

The indication panel is pasted on the surface of the shell in one of the embodiments,.

The indication panel includes rectangular glass in one of the embodiments,.

Above-mentioned range hood, by being arranged on the housing with the button circuit board, multiple trigger member and more The touch switch of a conduction executive item, wherein each trigger member and each conductive executive item are electric with the key The touch induction circuit on the plate of road is electrically connected, wherein trigger member induction is set to the finger of the shell side Show the control action of user's input of panel side, the variation output that the touch induction circuit passes through detection induced voltage Signal is controlled, the conduction executive item is by receiving the control signal, and then corresponding starting is corresponding with the control action The corresponding function of the range hood facilitates user can in kitchen environment to realize every the on-off of empty control touch switch Lean on and delicately start the corresponding function of the range hood.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the range hood of an embodiment.

Fig. 2 is the exploded view of the part-structure of the range hood of an embodiment.

Fig. 3 is the electrical block diagram of the touch switch of an embodiment.

In figure: 10 be range hood, 100 be shell, 110 be mounting hole, 200 be touch switch, 300 be indication panel, 210 it is button circuit board, 220 be trigger member, 230 be conductive executive item, 240 be touch induction circuit, 310 is icon Layer, 320 be effective control area, 260 be switch enclosure, 270 be lid, 280 be bracket, 400 be Decorative Cover.

Specific embodiment

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this The disclosure of type understands more thorough and comprehensive.

It should be noted that it can directly on the other element when element is referred to as " being set to " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side ", " top ", " bottom ", " bottom end ", " top " and similar statement for illustrative purposes only, are not offered as being only One embodiment.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet Include any and all combinations of one or more related listed items.

For example, a kind of range hood, including shell, touch switch and indication panel；The shell offers mounting hole, The touch switch part is embedded in the mounting hole, and the indication panel is covered on the shell away from the touch switch Surface and cover the mounting hole；The touch switch include button circuit board, be set to it is more on the button circuit board A trigger member and with the one-to-one multiple conductive executive items of each trigger member, the button circuit board is provided with touch sense Answer circuit, each conductive executive item of the anode connection of the touch induction circuit, the cathode connection of the touch induction circuit Each trigger member, each trigger member is corresponding with a conductive executive item, and by being electrically connected the touch sensible Circuit is used to control the on-off of a functional switch of the range hood.

For another example, a kind of range hood, including shell, touch switch and indication panel；The touch switch and the finger Show that panel is oppositely arranged and is located at the two sides of the shell；For example, the shell offers mounting hole, the touch switch Part is embedded in the mounting hole, and the indication panel is covered on surface and covering of the shell away from the touch switch The mounting hole；For example, the touch switch includes button circuit board, multiple trigger member for being set on the button circuit board And multiple conduction executive items, the button circuit board are provided with touch induction circuit correspondingly with each trigger member, Each conductive executive item of the anode connection of the touch induction circuit, the cathode of the touch induction circuit connect each touching Outbox；That is, each conductive executive item and each trigger member respectively correspond to form capacitance structure, for example, each trigger member The different control actions of the indication panel are sensed respectively and export corresponding control signal, each touch induction circuit difference Corresponding to receive the control signal and export different control signals, each conductive executive item receives the different control respectively Signal simultaneously executes the corresponding control action.Manipulation instruction i.e. extraneous by each trigger member contact, thus will manipulation Signal is sent to the touch induction circuit, to realize that the triggering starting conductive executive item is held using capacitance induction principle The row manipulation instruction, to realize the process of the contactless manipulation touch switch on-off.

Please refer to Fig. 1 and Fig. 2, in one embodiment, a kind of range hood 10, including shell 100, touch switch 200 with And indication panel 300；The shell 100 offers mounting hole 110, and 200 part of touch switch is embedded at the mounting hole In 110, the indication panel 300 is covered on the shell 100 away from the surface of the touch switch 200 and covers the installation Hole 110.That is, the touch switch 200 be oppositely arranged and be located at the two of the shell 100 with the indication panel 300 Side.

Also referring to Fig. 3, the touch switch 200 includes button circuit board 210, is set on the button circuit board Multiple trigger member 220 and with the one-to-one multiple conductive executive items 230 of each trigger member 220, the key circuit Plate 210 is provided with touch induction circuit 240, and the anode of the touch induction circuit 240 connects each conductive executive item 230, The cathode of the touch induction circuit 240 connects each trigger member 220, and each trigger member 220 is held with a conduction Row part 230 is corresponding, and the functional switch for being used to control the range hood by being electrically connected the touch induction circuit 240 On-off.That is, each trigger member 220 is corresponding with a conductive executive item 230, and with the touch induction circuit 240 It is electrically connected, it is corresponding with a functional switch of the range hood to realize.For example, the range hood has the function of that four are opened It closes, respectively booting, illumination, motor, blowing.Then it is arranged in correspondence with four trigger member 220 and four conductive execution Part 230, wherein each trigger member functional switch corresponding with the conductive executive item, that is, form multiple groups every empty electric Hold sensor circuit, a function of every group of correspondence range hood.

Further, each trigger member 220 senses the different control actions and output phase of the indication panel 300 respectively The control signal answered, each touch induction circuit 240, which respectively corresponds, to be received the control signal and exports different control signals, Each conductive executive item 230 receives the different control signals respectively and executes the corresponding control action.

Specifically, it referring to Fig. 1, the range hood 10 further includes Decorative Cover 400, is provided in the Decorative Cover 400 Discharge pipe, the shell 100 are fixedly installed on one end of the Decorative Cover 400.Wherein, it is provided in the shell 100 described The host of range hood 10, i.e., the described shell 100 are the main supporting body of the range hood 10.Wherein, the indication panel 300 For non-porous transparency window panel made of nonmetallic materials, for example, the indication panel 300 is rectangular glass.Further, institute The thickness for stating indication panel is less than or equal to 6mm.Preferably, the indication panel with a thickness of 5mm.In one embodiment, institute Indication panel 300 is stated to be pasted on the surface of the shell 100, for example, the indication panel 300 by with adhesive with it is described The fixation of shell 100 of range hood is sticked.For another example, the indication panel (300) and the shell (100) are integrally formed.

In one embodiment, for example, the shell 100 offers mounting hole 110,200 part of touch switch is embedded In the mounting hole 110, the indication panel 300 is covered on the shell away from the surface of the touch switch 200 and covers Cover the mounting hole 110.For example, the mounting hole 110 is rectangular opening, 200 part of touch switch is embedded at the installation In hole 110, the touch switch 200 is fixedly installed on the shell 100 of the range hood 10 to realize.Further, institute Indication panel 300 is stated to be covered on the shell 100 away from the surface of the touch switch 200 and cover the mounting hole 110.I.e. The indication panel 300 is blocked in the touch switch 200 towards on the surface of the mounting hole 110, and the touch-control described in this way is opened Close 200 under the protection of the indication panel 300 of non-porous transparency window type, thus can effectively reduce the touch switch 200 by To the influence of the hot environment factor, while waterproof effect is also acted as, so that the range hood 10 may make more to adapt to kitchen Environment.Also, the indication panel 300 by the way that non-porous transparency window type is arranged on the shell 100 sets the installation to keep off The presentation quality of the range hood 10 can be improved in the front in hole 110.

Referring to Fig. 3, for example, each trigger member 220 is made of conductive material, for example, each trigger member 220 It is spring electric conductor.Further, each spring electric conductor, which is respectively separated, is arranged in the button circuit board 210 On.Wherein, each spring electric conductor corresponds to the 10 one of them function of range hood, for example, illumination functions, starting electricity Machine function and master switch etc..For another example, each trigger member 220 is conductive fabric or conductive foam etc..For example, each conduction Executive item 230 is induction electrode structure, the one of them function of each conductive executive item 230 and the range hood 10 Switch is correspondingly arranged, when the touch induction circuit 240 receives the manipulation letter that any trigger member 220 is spread out of After number, be accordingly electrically connected with the touch induction circuit 240 wherein a conductive executive item 230 is corresponding start described in A wherein functional switch for range hood 10.

Specifically, each trigger member 220 senses the control action of user's input of 300 side of indication panel simultaneously respectively Corresponding control signal is exported, the touch induction circuit 240 is corresponding to be received the different control signals and export different controls Signal processed, each conductive executive item 230 receive the different control signals respectively and execute the corresponding control action. In one embodiment, multiple icon layers 310, each icon layer are provided on the indication panel 300 310 are correspondingly arranged with a trigger member 220.For example, each icon layer 310 is respectively to illuminate shelves, quick-fried shelves, power supply Shelves, low-grade and top grade etc..That is, wherein each described icon layer 310 corresponds to its of the range hood 10 In a function.For example, each icon layer 310 stamp is on the indication panel, and for another example, each icon layer 310 are sprayed on the indication panel 300.

Further, the control action includes default gesture instruction, each default gesture instruction and the function Energy icon layer 310 is corresponding.For another example, the control action includes enabling every null point fingertip, each described every the order of null point fingertip and an institute It is corresponding to state icon layer 310.That is, user passes through the control action in the side input where the indication panel 300 It is enabled with described every null point fingertip including the default gesture instruction.Wherein, the default gesture instruction in advance with each function The energy corresponding function of icon layer 310 setting is consistent.User, which passes through, in this way executes the corresponding default gesture instruction, so as to It is corresponding to start the functional switch consistent with the icon layer 310.Specific implementation procedure, for example, booting: to moving to left；It closes Machine: it moves right；It turns on light: drawing upwards；It turns off the light: drawing downwards；Downshift: left-handed；Upshift: dextrorotation.I.e. user passes through in the index plane Different gesture motions is made in the front of plate 300, accordingly start on the range hood 10 with each icon layer 310 corresponding different function switches.I.e. by capturing voltage change caused by the gesture operation of rule, the touch sensible electricity The variable quantity of the voltage is calculated and is exported by road 240, and the conduction executive item 230 receives the voltage variety, and corresponding Ground is worked by the corresponding function that the control signal starts the range hood 10.It should be noted that described default Gesture instruction is not limited to above-mentioned movement.

Further, it is realized when sky manipulates the touch switch using the default gesture instruction, needs the hand of user The linear distance of arm or finger and the indication panel controls in 80mm, and the trigger member described in this way, which can sense, to be captured The gesture motion signal is accordingly transferred in the touch induction circuit by the gesture motion of user, so as to touch sense Circuit is answered accordingly to start the conductive executive item of matched connection, the conductive executive item described in this way can be controlled accordingly The function key that system starting matches with each function on the range hood.For the ease of more delicately corresponding starting is corresponding Functional switch key, for example, the Straight Line Identification distance of the default gesture instruction is set as 40mm~50mm.Preferably, described pre- If the Straight Line Identification distance of gesture instruction is 45mm.It in this way can be by reliably starting the oil suction using the default gesture instruction Corresponding function on smoke machine 10.Wherein, described to refer to each function being set on the indication panel 300 every the order of null point fingertip Energy icon layer 310 can be touched individually, i.e., realize that different location is hit every null point by clicking operation, realize institute to respectively correspond State the starting of the various functions such as top grade, middle-grade, low grade, the illumination on range hood 10.That is, the control action be every Null point hits touch-control functional switch corresponding with each icon layer 310.

Further, the indication panel 300 is provided with identification part 320, and each icon layer 310 is all set in institute It states on identification part 320.Wherein, the identification part 320 can identify the corresponding described of the control action of user's input The acceptable area of control signal.It should be understood that the installation site of locating touch switch 200 also falls within the identification part In 320.That is, can receive the control action of user's input everywhere in the not entire indication panel 300, can wake up Each trigger member 220 receives the operation signal.

For example, referring to Fig. 3, each conductive executive item 230 of the anode connection of the touch induction circuit 240, described The cathode of touch induction circuit 240 connects each trigger member 220.For example, the touch induction circuit 240 includes being connected with each other Every empty sensor circuit and control circuit, the control circuit control connection conductive executive item is described every empty sensor circuit For incuding the control action of user to generate corresponding operation signal, the control circuit receives described every empty sensor circuit hair Operation signal out, and control signal is exported according to operation signal, the conduction executive item receives the control signal, the control Signal processed controls the corresponding function switch motion on the range hood, to realize that starting executes each function of the range hood Energy.

Wherein, the trigger member 220 is arranged close to the indication panel 300 and contacts with human skin induction, such institute The two poles of the earth that conductive executive item 230 forms capacitor with human body are stated, when the trigger member of the arm on the touch switch 200 Capacitive sensing effect is formed when 220, that is, user passes through corresponding at the position of the indication panel 300 far from the range hood The gesture motion to match with the functional switch on the range hood is made on ground or point touches when making, the trigger member 220 By capturing the gesture motion or point touch work one control signal of output that user is made, and the control signal is transmitted to institute It states in touch induction circuit, the touch induction circuit 240 starts the execution conduct piece 230 accordingly to trigger the oil suction Functional switch movement on smoke machine.Wherein, the trigger member passes through the variation for judging its induced voltage, to judge arm or palm Between movement so that it is determined that control action, i.e., the described trigger member can be realized every it is empty capture gesture motion that user is made or Point, which touches, to be made, and is issued control signal to the touch induction circuit after it senses voltage change, is felt by the touch After answering the control circuit of circuit to carry out voltage variety operation, the starting conductive executive item 230, the conduction executive item are executed Accordingly start the functional switch of the range hood.In this way, user only needs far from certain sky at the range hood Between in range, make corresponding control action, i.e., gesture motion or point, which are touched, makees, and can accordingly start the contact-making switch Movement controls the touch switch movement every sky to can realize.In addition, by the way that the triggering touched with human skin is arranged Part 220 can reduce the connection impedance of the touch induction circuit 240, improve the induction sensitivity of touch switch 200.It is i.e. described Touch induction circuit 240 obtain institute conduction executive item 230 and physical feeling to be measured between inductive signal, pass through inductive signal The operational circumstances of physical feeling to be measured are judged in variation.In this way by the setting of the touch switch 200, user can be realized every sky Start each functional switch of correspondence of the range hood 10 so that user can avoid due to get wet on hand or greasy dirt and grasp Make the problem of functional switch of the range hood 10 causes touch-control sensitivity relatively low, cannot achieve accurate touch-control effect.

In a preferred embodiment, the touch switch 200 further includes multiple shielding parts 250, each shielding part 250 are correspondingly arranged between a trigger member 220 and the corresponding one conductive executive item 230.For example, the screen Shield 250 is connect with the cathode of the touch induction circuit 240.In this way, the touch induction circuit 240 is believed according to the manipulation Number frequency to the shielding part 250 send ground wire drive voltage signal, make the voltage and institute on the ground wire of the shielding part 250 The frequency for stating control signal is synchronised, to avoid the touch induction circuit 240 of the touch switch 200 and each touching The edge effect caused between outbox 220 interferes the identification of induction control action.Meanwhile the touch induction circuit 240 send ground wire drive voltage signal to the trigger member 220 and the shielding part 250 respectively, make the touch induction circuit The frequency for the control signal that 240 ground wire and the shielding part 250 are incuded with the trigger member 220 respectively is synchronised, thus Eliminate unexpected coupling effect.

Further, the touch switch 200 includes switch enclosure 260 and lid 270, and the switch enclosure 260 is set to institute The side that shell 100 deviates from the indication panel 300 is stated, the switch enclosure 260 has one to be open, the button circuit board 210, Each trigger member 220 and each conductive executive item 230 are placed in the switch enclosure 260 by the opening, 270 sealing cover of lid is set to the opening of the switch enclosure 260.That is, the button circuit board 210, each trigger member 220 and each electricity device of each conductive executive item 230 be arranged by the switch enclosure, and the use lid 270 It is covered on the switch enclosure 260, is on the one hand conducive to each appliance component of touch switch described in reliably protecting from outer The lid 270 is arranged by the opening in the switch enclosure 260, so as to convenient for the touch-control in the influence of portion's environment Switch carries out repair and maintenance.For example, the lid 270 is bolted on the switch enclosure 260 and closely gear sets the opening.Into one Step ground, the touch switch 200 further includes bracket 280, and 280 activity of bracket installs the switch enclosure 260 in the shell On 100.Specifically, the bracket 280 includes fixed plate and is respectively arranged at the fixed ears of the fixed plate two sides, described solid Fixed board is covered on the lid 270, and two fixed ears are adjacent to the side that the shell 100 deviates from the indication panel 300 Face, wherein each fixed ear offers screw hole, and the bracket 280 is fixedly mounted for wearing screw for the screw hole In on the shell 100.The lid 270 of the switch enclosure 260 described in this way and the opening for being covered on the switch enclosure 260 It is set on the shell 100 by the bracket 280.So as to the further stable fixation touch switch 200 in institute It states on shell 100, guarantees the position of the touch switch with the indication panel being set on the shell of the range hood It is corresponding, to meet technique and appearance requirement.

Above-mentioned range hood has the button circuit board 210, multiple trigger member by being arranged on the shell 100 220 and multiple conductive executive items 230 the touch switch 200, wherein each trigger member 220 is held with each conduction Row part 230 is electrically connected with the touch induction circuit 240 on the button circuit board 210, wherein the trigger member 220 Induction is set to the control action of user's input of 300 side of the indication panel of 100 side of shell, the touching It touches sensor circuit 240 and controls signal by detecting the variation output of induced voltage, the conduction executive item 230 passes through described in reception Control signal, and then the corresponding corresponding function for starting the range hood 10 corresponding with the control action.Also, due to logical It crosses and the trigger member is set in the side for inputting the control action close to user, directly touched with human skin with realizing, from And it can reduce as composed by each trigger member 220 and each conductive executive item 230 and the touch induction circuit 240 The electrical resistance of capacitive touch switch improves touch switch so as to effectively improve the induction sensitivity of touch switch Use reliability, and by setting capacitive structure the touch switch and the range hood the indication panel, The shell matches, be equivalent to layout infrared probe sensed for, dramatically save the occupied space of touch switch With the design cost of the range hood.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of range hood, which is characterized in that including shell (100), touch switch (200) and indication panel (300)；

The shell (100) offers mounting hole (110), and the touch switch (200) is partially embedded at the mounting hole (110) In, the indication panel (300) is covered on the shell (100) and deviates from described in surface and the covering of the touch switch (200) Mounting hole (110)；

Multiple touchings that the touch switch (200) includes button circuit board (210), is set on the button circuit board (210) Outbox (220) and with the one-to-one multiple conductive executive items (230) of each trigger member (220), the button circuit board (210) it is provided with touch induction circuit (240), each conductive executive item of the anode connection of the touch induction circuit (240) (230), the cathode of the touch induction circuit (240) connects each trigger member (220), each trigger member (220) with The one conductive executive item (230) is corresponding, and by being electrically connected the touch induction circuit (240) for controlling the oil suction The on-off of one functional switch of smoke machine.

2. range hood according to claim 1, which is characterized in that be provided with multiple function on the indication panel (300) Energy icon layer (310), each icon layer (310) are correspondingly arranged with a trigger member (220).

3. range hood according to claim 2, which is characterized in that the indication panel (300) includes rectangular glass face Plate.

4. range hood according to claim 2, which is characterized in that the indication panel (300) is provided with identification part, respectively The icon layer (310) is all set on the identification part.

5. range hood according to claim 1, which is characterized in that further include Decorative Cover (400), the Decorative Cover (400) it is provided with discharge pipe in, the shell (100) is fixedly installed on one end of the Decorative Cover.

6. range hood according to claim 1, which is characterized in that each trigger member (220) is spring electric conductor, And each spring electric conductor is respectively separated and is arranged on the button circuit board (210).

7. range hood according to claim 1, which is characterized in that the touch switch (200) includes switch enclosure (260) With lid (270), the switch enclosure (260) is set to the side that the shell (100) deviate from the indication panel (300), institute Switch enclosure (260) are stated with an opening, the button circuit board (210), each trigger member (220) and each conduction are held Row part (230) is placed in the switch enclosure (260) by the opening, and lid (270) sealing cover is set to described open Close the opening of box (260).

8. range hood according to claim 7, which is characterized in that the touch switch (200) further includes bracket (280), bracket (280) activity installs the switch enclosure (260) on the shell (100).

9. range hood according to claim 1, which is characterized in that the indication panel (300) is pasted on the shell (100) on surface.

10. range hood according to claim 1, which is characterized in that the indication panel (300) and the shell (100) it is integrally formed.