CN207640194U - Coffee machine - Google Patents

Abstract

The utility model provides a kind of coffee machine, it is intended to solve the problems, such as that the efficiency of heating surface of the heat generating device of coffee machine in the prior art is relatively low.The coffee machine includes：Fuselage；Water tank can be placed on the fuselage and for providing water to be heated；Heat-generating pipe is mounted in the fuselage and for being heated to the water provided by the water tank；And brew chamber, it is used to accommodate ground coffee and is used to receive the hot water heated through the heat-generating pipe, to be brewed to the ground coffee by the hot water received.The heat-generating pipe includes water inlet, water outlet and the heating pipe being arranged between the water inlet and the water outlet, there is heating film, the heating film can generate heat to heat the water for flowing through the heating pipe when being powered in the outside of the heating pipe.The heat-generating pipe of the coffee machine of the utility model uses accurately controlling for membrane type heating technique, efficiency of heating surface height, and temperature easy to implement.

Description

Coffee machine

Technical field

The utility model is related to for brewing coffee beverage electric equipment products field more particularly to a kind of coffee machine.

Background technology

As the improvement of people's living standards, coffee beverage starts to be liked by people, and especially chased after as people Seek the daily drinks of quality of the life person.The production method of current coffee beverage mainly has：Using instant formula coffee brewing, use Existing ground coffee oneself carries out brewed in coffee machine and grinds coffee bean and further brewed etc. using coffee machine scene.

Above-mentioned coffee machine usually heats the water for flowing through the heat generating device with heat generating device, and will be heated Hot water shower to ground coffee on brew obtained coffee beverage.

As shown in Figure 1, as a kind of schematic cross-section of the coffee machine of the prior art, it is special to be disclosed in Chinese utility model Profit application the 201020553983.9th（Authorization Notice No. is 201861447 U of CN）In.The coffee machine includes main body（Do not scheme Show）, water tank 1, float trap 2, container 3, water inlet silicone tube 4, heat-generating pipe 5, check valve 6, float trap fixing bracket 7, water outlet silica gel Pipe 8 and U-bend 9 etc..The heat-generating pipe 5 is tightly attached on the U-bend 9, to provide heat to the U-bend 9 in heating power Amount.

The operation principle of the coffee machine shown in FIG. 1 is：Quantitative water is added to water tank 1, due to the pressure of water in water tank 1 It acts on and washes float trap 2 open, water flows into container 3, and the floating of float trap 2 under the buoyancy of water in container 3 blocks water tank 1 Collector nozzle, the water in container 3 washes check valve 6 open under atmospheric pressure, and water is heated by U-bend 9, from U-bend 9 Water outlet stream by water outlet silicone tube 8 and fill the funnel of ground coffee, the coffee beverage being brewed to finally flows in glass.

This heat generating device being combined by heat-generating pipe 5 and U-bend 9 is general electrothermal tube（Generally use is electricity Hinder heating coil）, since the fitting between its heat-generating pipe 5 and U-bend 9 is difficult to reach closely contact and heat-generating pipe 5 is not The part contacted with U-bend 9 is easy to distribute heat, therefore its heating is less efficient.In addition, due to heat-generating pipe 5 itself Fever and heat dissipation need certain time, therefore are not easy to accurately control the temperature of provided hot water.

Other relevant coffee machines are referring also to Chinese invention patent application the 201610023861.0th（Publication No. CN 105520636 A）, Chinese utility model patent application the 201620380398.0th（Authorization Notice No. is CN 205947660 U）Deng.Their heat generating device also uses similar U-shaped heat-generating pipe.

Also there is the coffee machine with coffee bean grinder structure in the prior art, this can be found in Chinese invention patent application 201610252994.5 number（105962785 A of Publication No. CN）, Chinese invention patent application the 201710083942.4th （106580105 A of Publication No. CN）Deng.It is to use class that the heat generating device of these coffee machines with coffee bean grinder structure is also mostly As U-shaped heat-generating pipe.

Therefore, it is necessary to provide a kind of coffee machine overcoming disadvantages mentioned above.

Utility model content

In order to solve the deficiency of coffee machine in the prior art, the utility model provides a kind of coffee machine.

The utility model technical scheme applied to solve the technical problem 1 is to provide a kind of coffee machine, which includes： Fuselage；Water tank can be placed on the fuselage and for providing water to be heated；Heat-generating pipe is mounted on the machine In body and for being heated to the water provided by the water tank；And brew chamber, it is used to accommodate ground coffee and for connecing The hot water heated through the heat-generating pipe is received, to be brewed to the ground coffee by the hot water received.The heat-generating pipe packet Include water inlet, water outlet and the heating pipe being arranged between the water inlet and the water outlet, the heating pipe it is outer There is heating film, the heating film can generate heat to heat the water for flowing through the heating pipe when being powered for side.

Technical solution 2：Coffee machine according to technical solution 1, wherein the global shape of the heat-generating pipe takes the shape of the letter U, and makes It obtains the water inlet and the water outlet is located at identical height.

Technical solution 3：Coffee machine according to technical solution 1, wherein the global shape of the heat-generating pipe is in J-shaped, is made The position for obtaining the water outlet is higher than the position of the water inlet.

Technical solution 4：According to the coffee machine described in any one of technical solution 1-3, wherein the heating tube of the heat-generating pipe The circular in cross-section in road is rectangular.

Technical solution 5：According to the coffee machine described in any one of technical solution 1-3, wherein the heating tube of the heat-generating pipe Road includes curvature portion and planar section and makes the cross section semicircular in shape of the heating pipe.

Technical solution 6：According to the coffee machine described in technical solution 5, wherein the curvature portion and the planar section with The mode of sealing is combined together.

Technical solution 7：According to the coffee machine described in technical solution 5, wherein the curvature portion and the planar section with The mode of sealing welds together.

Technical solution 8：According to the coffee machine described in technical solution 5, wherein the planar section includes heat-conducting plate, in institute It states and is provided with electrical insulating film on heat-conducting plate, and be provided with the heating film on the electrical insulating film.

Technical solution 9：Coffee machine according to technical solution 1, wherein the coffee machine further includes being mounted on the machine Coffee bean box with it and coffee bean grinder structure, the coffee bean box is for accommodating coffee bean and being provided to the coffee bean The coffee bean grinder structure, the coffee bean grinder structure are used for the coffee bean grinding at ground coffee and by the coffee Powder is provided to the brew chamber.

Technical solution 10：Coffee machine according to technical solution 1 or 9, wherein the coffee machine further includes being arranged in institute It states support base at the bottom of fuselage and can be placed at the container on the support base, the container, which is used to collecting, to be brewed to Coffee, and heater is equipped in the support base.

Compared with the prior art, the coffee machine of the utility model mainly has the advantages that.First, the utility model The heat-generating pipe of coffee machine use membrane type heating technique, heating film therein to be set up directly on the outside of heating pipe, therefore send out The heat that hotting mask is generated in heating power can be immediately passed to heating pipe, this makes efficiency of heating surface height.Second, due to hair Hotting mask can quickly generate high temperature when being powered, and when power is off can rapid dispersion heat, therefore be easy to accurately control The temperature of the hot water provided.Third, when the global shape of the heat-generating pipe of the coffee machine of the utility model makes water outlet in J-shaped When the position of mouth is higher than the position of water inlet, the cold water in the part adjacent with water outlet of the heating pipe of the heat-generating pipe can It is just supplied to brew chamber after being sufficiently heated when coffee machine is just started to work, avoids and is had when coffee machine is just started to work The problem of not high enough water of temperature is discharged.

Below in the description of the drawings and specific embodiments, will illustrate one or more embodiments of the utility model Details.From these description, attached drawing and claims, the other features, objects and advantages of the utility model can be understood.

Description of the drawings

It can refer to attached drawing and the utility model more specifically described by embodiment, wherein attached drawing, which is not necessarily made to scale, paints System, in the accompanying drawings：

Fig. 1 is a kind of schematic cross-section of the coffee machine of the prior art；

Fig. 2 is the assembling schematic perspective view of the coffee machine of one embodiment according to the present utility model；

Fig. 3 is a schematic cross-section of coffee machine shown in Fig. 2；

Fig. 4 is another schematic cross-section of coffee machine shown in Fig. 2；

Fig. 5 is the exploded perspective schematic diagram of the major part of coffee machine shown in Fig. 2；

Fig. 6 is the decomposition floor map of the major part of coffee machine shown in Fig. 2；

Fig. 7 is the stereoscopic schematic diagram of the heat-generating pipe of the coffee machine of one embodiment according to the present utility model；

Fig. 8 is the cross-sectional view of heat-generating pipe shown in Fig. 7；

Fig. 9 is the cross-sectional view of the heat-generating pipe of the coffee machine of another embodiment according to the present utility model；And

Figure 10 is the cross-sectional view of the heat-generating pipe of the coffee machine of another embodiment according to the present utility model.

Specific implementation mode

The utility model is described in more detail below in conjunction with specific embodiment.Those skilled in the art should Understand, these descriptions only list some specific embodiments of the utility model, to the utility model and its protection domain without Any restrictions.

It, can be in addition, for ease of the relationship of one component of description or component and another component shown in the drawings or component Space relative terms used herein, such as " lower part ", " top " and similar term.It is to be understood that space relative terms are pre- Phase covers different direction of the device in using and operating other than the discribed orientation of attached drawing.For example, if it is attached Device in figure is reverse, is described as be in the component of other components or component " lower part " and then may be directed to other components or component " top ".

Fig. 2, Fig. 3 and Fig. 4 are please referred to, they show the coffee machine 100 of one embodiment according to the present utility model One assembling schematic perspective view and two schematic cross-sections.The coffee machine 100 mainly include fuselage 10, water tank 20, heat-generating pipe 30, Brew chamber 40, coffee bean box 50, coffee bean grinder structure 60, support base 70 and container 80.

Shown referring to figure 5 and figure 6 together, which may include fuselage 11 and lower fuselage 15.Fuselage 11 can wrap on this The motor PCB 13 and motor PCB boxes 14 for including body cover 12 and being arranged in upper fuselage 11.The lower fuselage 15 may include controlling Panel 16 processed, lower body cover 17 and multiple（Such as three or four）Glue foot 18.Fuselage 11 and lower fuselage 15 and upper machine on this Body lid 12 and the combination of lower body cover 17 form various accommodation spaces and installation site, to accommodate or install each of coffee machine 100 Kind necessary parts.Certainly, which can not also use the form of 15 this two big half of upper fuselage 11 and lower fuselage, as long as It can realize the purpose of above-mentioned receiving or installation.

The support base 70 is arranged at the bottom of the fuselage 10, and heater 71, and the branch can be equipped in the support base 70 Support seat 70 may also include decorative panel 72, thermal insulation board 73 etc..The decorative panel 72 is arranged in the top position of support base 70, is used for and appearance Device 80 contacts.The thermal insulation board 73 is located at 71 lower section of heater, and lower body cover 17 is transmitted to the heat for preventing heater 71 from generating.It should Heater 71 is mainly used for heating, keeps the temperature coffee beverage in the container 80.

The water tank 20 may include water tank main body 21, tank lid 22 and tank seal plug 23.The water tank 20 can be placed at this On fuselage 10 and for providing water to be heated.Wherein, when the water tank 20 is picked up from the fuselage 10, the tank seal plug 23 avoid leak for the bottom of sealing radiator 20；Also, when the water tank 20 is placed on the fuselage 10, the tank seal Plug 23 is opened and is supplied water to heat-generating pipe 30.

The coffee bean box 50 is mounted on the fuselage 10, which is mounted in the fuselage 10.The coffee For accommodating coffee bean and coffee bean being provided to the coffee bean grinder structure 60, which uses coffee beans case 50 In being provided to the brew chamber 40 by the coffee bean grinding at ground coffee and by the ground coffee.The coffee bean box 50 may include coffee bean Box main body 51, coffee bean case lid 52 and coffee bean baffle 53.The coffee bean baffle 53 can close or open this by driving movement The bottom of coffee bean box main body 51, to discharge a certain amount of coffee bean when opening to the coffee bean grinder structure 60.The coffee Beans grinding mechanism 60 may include that cutter 61, bottom knife 62, motor 63, beans slot 64, beans slot sealing cover 65, beans scrape wheel 66 etc..It should Cutter 61 and bottom knife 62 coordinate and are ground to coffee bean under the driving of motor 63.The beans slot sealing cover 65 is mounted on On beans slot 64, the ground coffee being ground into can scrape the rotation of wheel 66 by beans and be conveyed to the brew chamber 40.The bottom of the beans slot 64 Exit can also be equipped with out powder sealing block 67.This goes out powder sealing block 67 and may be driven and seal and be somebody's turn to do when being brewed to ground coffee The outlet at bottom of beans slot 64, to avoid vapor from entering in the beans slot 64.

The heat-generating pipe 30 is mounted in the fuselage 10 and for being heated to the water provided by the water tank 20.The fever Pipe 30 includes water inlet 31, water outlet 32 and the heating pipe 33 being arranged between the water inlet 31 and water outlet 32.The water inlet Mouth 31 can connect silicone tube 311 by cold water and is connected to the water tank 20.The water outlet 32 can by hot water connect silicone tube 321, Water-supply-pipe 322 and water outlet box 323 and by delivery to the brew chamber 40.The cold water is connected in silicone tube 311 and can be equipped with unidirectionally Valve 324（It is shown in Figure 6）, to ensure that water only flows to water outlet 32 from the water inlet 31.

The brew chamber 40 is for accommodating ground coffee and for receiving the hot water heated through the heat-generating pipe 30, so as to by being connect The hot water of receipts brews the ground coffee.The brew chamber 40 may include funnel box 41 and funnel strainer 42.In use, this is brewed Room 40 can be matched with the left sliding rail 43 of the funnel on upper fuselage 11 and the right sliding rail of funnel 44, to make 40 edge of brew chamber It the left sliding rail 43 of funnel and the right sliding rail 44 of funnel is inserted into the space that upper fuselage 11 limits and carrys out coffee.The brew chamber 40 may be used also It is pulled out from upper fuselage 11 along the left sliding rail 43 of funnel and the right sliding rail 44 of funnel, to topple over bean dregs and cleaning funnel box 41 and funnel Strainer 42.

The container 80 can be placed on the support base 70, and for collecting the coffee being brewed to.The container 80 can be Glass container, ceramic vessel or canister etc..

Together with reference to shown in Fig. 7 and Fig. 8, the outside of the heating pipe 33 of the heat-generating pipe 30 has heating film 34, the fever Film 34 can generate heat to heat the water for flowing through the heating pipe 33 when being powered.In one embodiment, the hair The heating pipe 33 of heat pipe 30 may include curvature portion 35 and planar section and so that the cross section of the heating pipe 33 is in semicircle Shape（The semicircle is not limited to be formed by semicircle with circular arc by the straight line by the center of circle, as long as by one section of circular arc and directly Line is formed by shape in the range of the term of the utility model " semicircle "）.The curvature portion 35 can be stainless steel, The metals such as copper, aluminium, and can be suppressed by one integral piece of material.The planar section may include heat-conducting plate（Such as stainless steel plate, copper Plate, aluminium sheet etc.）36.It is provided with electrical insulating film 37 on the heat-conducting plate 36, and the fever is provided on the electrical insulating film 37 Film 34.Temperature sensor 38 can be also set on the heat-conducting plate 36, which can be set to direct with the heat-conducting plate 36 Contact, to detect the temperature of the heat-conducting plate 36.The temperature sensor 38 is preferably NTC（Negative temperature coefficient, Negative Temperature Coefficient）Temperature sensor.It is exhausted that the heating film 34 can be formed in the electricity for example, by the mode of printing On velum 37.The heating film 34 is distributed generally evenly in the form of conductive pattern on the heat-conducting plate 36, so as to the heat conduction Plate 36 is uniformly heated up.The heating film 34 can also be by two conducting terminal 341 and temperature controller（It is not shown）Connection.

As shown in fig. 7, the global shape of the heat-generating pipe 30 can be in J-shaped so that the position of the water outlet 32 is higher than the water inlet The position of mouth 31.The curvature portion 35 and the planar section（The especially heat-conducting plate 36）It is combined together in a sealing manner； Preferably, the curvature portion 35 and the planar section（The especially heat-conducting plate 36）It welds in a sealing manner（Such as laser Weld the weld seam 39 generated）Together.The mode of sealing described herein refer to the heat-generating pipe 30 except water outlet 32 and into Other parts except the two ports of the mouth of a river 31 be sealing and it is watertight.

In another embodiment, the global shape of the heat-generating pipe of the coffee machine of the utility model can also take the shape of the letter U, and make It obtains inlet and outlet and is located at identical height.That is, the U-shaped heat-generating pipe is located at identical height in addition to inlet and outlet Except degree, other features are identical as above-mentioned heat-generating pipe 30.Certainly, the whole shape of the heat-generating pipe of the coffee machine of the utility model Shape also can be linear, such as water outlet is made to be located at the vertical top of water inlet.

In addition, as shown in figure 9, the cross section of the heating pipe 92 of another heat-generating pipe 91 of the coffee machine of the utility model It also can be rounded.The circle heat-generating pipe 91 can be rolled by the material of full wafer, be engaged（For example, riveted or welding）It forms, or by two A section is that semicircular tubing engages；At this point, electrical insulating film 93 and heating film 94 need to be arranged in the heating pipe 92 On all or part of outer surface, preferably it is provided on the underlying surface of heating pipe 92.93 He of electrical insulating film The set-up mode of heating film 94 can be similar with above-mentioned electrical insulating film 37 and heating film 34.

Again as shown in Figure 10, the cross section of the heating pipe 96 of another heat-generating pipe 95 of the coffee machine of the utility model It can be square（For example, square or rectangular）.The rectangular heat-generating pipe 95 can be rolled by the material of full wafer, be engaged（For example, riveted Or welding）Form, or by two sections be that L-shaped plank engages, or by four sections for plate shaped plank engagement and At；At this point, electrical insulating film 97 and heating film 98 need to be arranged on all or part of outer surface of the heating pipe 96, preferably It is arranged on the underlying surface of heating pipe 96.The set-up mode of the electrical insulating film 97 and heating film 98 can with it is above-mentioned Electrical insulating film 37 is similar with heating film 34.

The coffee machine of the utility model may also include the other necessary parts for realizing its function, these components are this field skill Known to art personnel, repeats no more herein.

Compared with the prior art, the coffee machine of the utility model has the advantages that.First, the coffee of the utility model The heat-generating pipe of coffee machine uses membrane type heating technique, heating film therein to be set up directly on the outside of heating pipe, therefore heating film The heat generated in heating power can be immediately passed to heating pipe, this makes efficiency of heating surface height.Second, due to heating film Can quickly generate high temperature when being powered, and when power is off can rapid dispersion heat, therefore be easy to accurately control and be carried The temperature of the hot water of confession.Third, when the global shape of the heat-generating pipe of the coffee machine of the utility model makes water outlet in J-shaped When position is higher than the position of water inlet, the cold water in the part adjacent with water outlet of the heating pipe of the heat-generating pipe can be in coffee Coffee machine is just supplied to brew chamber after being sufficiently heated when just starting to work, and avoids and has temperature when coffee machine is just started to work The problem of not high enough water is discharged.

The utility model is described to being given for example only property of the above, is not intended to limit the utility model.It should be understood that , for those of ordinary skill in the art, several improvement, modification and variation can be made to the utility model, but These are improved, modification and variation are regarded as falling the protection in the utility model under the premise of not departing from the spirit of the present invention In range.

Claims (10)

1. a kind of coffee machine comprising：

Fuselage；

Water tank can be placed on the fuselage and for providing water to be heated；

Heat-generating pipe is mounted in the fuselage and for being heated to the water provided by the water tank；With

Brew chamber, be used to accommodate ground coffee and for receiving the hot water heated through the heat-generating pipe, so as to by being received Hot water brews the ground coffee；

It is characterized in that：

The heat-generating pipe includes water inlet, water outlet and the heating pipe being arranged between the water inlet and the water outlet, There is heating film, the heating film can generate heat so as to flowing through the heating pipe when being powered in the outside of the heating pipe Water heated.

2. coffee machine according to claim 1, which is characterized in that the global shape of the heat-generating pipe takes the shape of the letter U so that described Water inlet and the water outlet are located at identical height.

3. coffee machine according to claim 1, which is characterized in that the global shape of the heat-generating pipe is in J-shaped so that described The position of water outlet is higher than the position of the water inlet.

4. coffee machine according to any one of claim 1-3, which is characterized in that the cross of the heating pipe of the heat-generating pipe Section is rounded or rectangular.

5. coffee machine according to any one of claim 1-3, which is characterized in that the heating pipe of the heat-generating pipe includes Curvature portion and planar section and make the heating pipe cross section semicircular in shape.

6. coffee machine according to claim 5, which is characterized in that the curvature portion and the planar section are to seal Mode is combined together.

7. coffee machine according to claim 5, which is characterized in that the curvature portion and the planar section are to seal Mode welds together.

8. coffee machine according to claim 5, which is characterized in that the planar section includes heat-conducting plate, in the heat conduction It is provided with electrical insulating film on plate, and is provided with the heating film on the electrical insulating film.

9. coffee machine according to claim 1, which is characterized in that the coffee machine further includes being mounted on the fuselage Coffee bean box and coffee bean grinder structure, the coffee bean box is for accommodating coffee bean and the coffee bean being provided to the coffee Coffee beans grinding mechanism, the coffee bean grinder structure are used to provide by the coffee bean grinding at ground coffee and by the ground coffee To the brew chamber.

10. the coffee machine according to claim 1 or 9, which is characterized in that the coffee machine further includes being arranged in the fuselage Bottom at support base and can be placed at the container on the support base, the container for collecting the coffee being brewed to, And heater is equipped in the support base.