CN109757984A - A kind of portable coffee machines - Google Patents

Abstract

A kind of portable coffee machines, it includes the water cup set gradually from top to bottom, coffee machine main body and coffee brewing pedestal, control circuit and power supply unit are equipped in coffee machine main body, switch is additionally provided on coffee machine, the switch and control circuit control connect, water cup includes cup holder and cup main body, thick film heating component is embedded in cup holder, thick film heating component is electrically connected with control circuit, thick film heating component offers the intake tunnel communicated with coffee machine main body, the upper surface of thick film heating component is exposed can be contacted outside and directly with water, the top of cup main body is equipped with air inlet and relief hole, Bidirectional Air Valve is equipped in air inlet, and the Bidirectional Air Valve covers in relief hole.The present invention provides more energy-efficient, fast and safely heating effect by thick film heating assembly, it can be realized the balance of inner and outer air pressure during water heating and pumping for water pump by Bidirectional Air Valve, to eliminate safe hidden trouble, guarantee the using effect of long-time normal table.

Description

A kind of portable coffee machines

Technical field

The present invention relates to a kind of coffee machine, especially a kind of portable coffee machines.

Background technique

Coffee is one of popular most commonly used beverage of human society, and people pursue the quality of coffee and enjoy coffee The invention design of artistic conception, coffee tool and vessel is also constantly updating, currently, in the market popular coffee vessel (such as coffee pot, Coffee machine etc.) kind pattern is various, and portable coffee machine is because of its compact structure, easy to carry, also increasingly by consumer Like.

Existing coffee machine is with high temperature, and the mode of high pressure is made coffee to shorten the time, but this kind of coffee machine figure is not Enough succinct, travelling is gone on a tour, and carrying is extremely inconvenient, and it is always that coffee fan is chased after that coffee machine is carried to trip as charger baby The form asked.For this purpose, witty mans have produced portable coffee machines.The Portable coffee in the people visual field is appeared in earliest Machine is to install bottle upper and lower ends additional ground coffee and boiled water respectively, is not necessarily to power supply power supply, the pressure generated by semi-automatic piston Boiled water is expressed in coffee strainer, to extract concentrated coffee, user controls the amount of drinking according to the number of pressing piston. The mode of this Manual press needs certain strength, not difficult in operation for adult male, but for women With old young user and unfriendly, therefore by electronic power device replace the portable coffee machines of hand piston device just meet the tendency of and It is raw.

Existing most of coffee machines also suffer from certain drawbacks, one as disclosed in Chinese patent CN201611139637.4 Kind of portable coffee machines, need boiled water just to can be carried out and brew, but people outside in the case where, it is likely to can not find deposit boiled water , some normal-temperature waters are preferably at most found, this also causes coffee that can not brew.For this purpose, people add in portable coffee machine Heating function.

A kind of portable capsule coffee machine, heating device PTC as disclosed in Chinese patent CN201310345121.5 It is the bottom outside water tank that heating sheet, combined content and attached drawing, which can be seen that its PTC heating sheet for safety, therefore it In structure PTC heating sheet and moisture every, this conduction efficiency that will lead to heat reduces, and power consumption rises, while PTC heating sheet The environment temperature meeting substantial increase of locating inside, heat-sinking capability is poor, and will lead to each element can not work at high temperature Setting damage.

A kind of portable coffee machines as disclosed in Chinese patent CN201810908128.6, the knot of structure and above-mentioned patent Structure is approximate, and the bottom outside water tank is arranged in heating component, therefore there is also same disadvantages.

In addition, the portable coffee machines containing heating device will also face a problem, i.e., according to the principle expanded with heat and contract with cold, The pressure being contained in the cup body of water during heating can rise, and excessive pressure can cause to damage to coffee machine itself, together When potential risks also are caused to user.Also, since water pump needs to form after heating in order to allow what water obtained to brew effect Vacuum effect, and in the case that while heating excessive pressure can not be discharged, the using effect of water pump certainly will be influenced, causes to brew It is ineffective.

Summary of the invention

In order to overcome the above-mentioned deficiency of the prior art, the present invention provides a kind of portable coffee machines.

The present invention the technical solution to solve the technical problem is that: a kind of portable coffee machines comprising from top to bottom successively Water cup, coffee machine main body and the coffee brewing pedestal of setting, the coffee machine main body is interior to be equipped with control circuit and for Denso It sets, switch is additionally provided on the coffee machine, the switch and the control circuit are controlled and connected, and the water cup includes cup Seat and cup main body are embedded with thick film heating component, the thick film heating component and the control circuit in the cup holder Electrical connection, the thick film heating component offer the intake tunnel communicated with coffee machine main body, the thick film heating component Upper surface is exposed can be contacted outside and directly with water, and the top of the cup main body is equipped with air inlet and relief hole, it is described into Bidirectional Air Valve is equipped in stomata, and the Bidirectional Air Valve covers in the relief hole.

Preferably, the Bidirectional Air Valve is in umbrella comprising umbrella handle portion and umbrella cover portion, the umbrella handle portion are plugged in In the air inlet, and the umbrella handle portion is convexly equipped with a circle sealing, and the sealing and the air inlet, which are formed, to be sealed Connection, the umbrella cover portion lid are located on the relief hole.

Preferably, the lower end in the umbrella handle portion is made of the first valve and the second valve and is in back taper, described Gap is equipped between one valve and the second valve, and first valve can abut with second valve and block institute The gap stated.

Preferably, the cup main body includes glass shell and cup lid, the air inlet is located on the cup lid, described One end of cup lid and the glass shell are hinged, and the other end of the cup lid is connected and fixed by hasp and the glass shell realization.

Preferably, a temperature-sensing element is additionally provided in the water cup, the temperature-sensing element and control circuit electricity Connection, the temperature-sensing element pass through the thick film heating component and stretch in the water cup.

Preferably, being equipped with water pump component and exhalant canal in the coffee machine main body, the water cup passes through institute The intake tunnel stated is connected to the water inlet of the water pump component, is equipped in the coffee brewing pedestal for infusing coffee The water outlet of accommodating chamber, the water pump component is connected to by the exhalant canal with the accommodating chamber, the coffee making The coffee flow pass being connected with the accommodating chamber is additionally provided in bubble pedestal；

It is equipped with several in the coffee machine main body and fixes bracket, the fixation bracket is arranged in the water pump component In, and the fixation bracket is equipped with cushion blocking.

Preferably, the exhalant canal includes tower strut and is located at the coffee machine main body and coffee brewing seat The upper end of separator between body, the tower strut is connected to the water outlet of the water pump component, under the tower strut End is fixed with the separator, and the coffee brewing pedestal is detachably connected with the separator；

Offering lower water flow passage in the tower strut, the bottom of the tower strut offers the first drainage trough, and described point The upper end of separate seat is equipped with the second drainage trough, and first drainage trough docks with the second drainage trough and formed drainage lumens, described Lower water flow passage is connected to first drainage trough, is offered under the first of the separator on second drainage trough Water hole, first drainage hole are shifted to install with the lower water flow passage, and first drainage hole is more than lower water flow passage Close to the center of the accommodating chamber；

The coffee brewing pedestal include for accommodate coffee pads or ground coffee or coffee capsule coffee accommodate cup, with And for holding the coffee cup for brewing rear coffee, the accommodating chamber is located at the coffee and accommodates in cup, the coffee outflow Channel the connection accommodating chamber and coffee cup, the center that the coffee accommodates cup upper end is equipped with to be communicated with the accommodating chamber The lower end of second drainage hole, the separator is equipped with third drainage trough, first drainage hole and the third drainage trough Connection further includes a sealing element, and the sealing element covers all the third drainage trough, and the sealing element is also opened Equipped with through-hole, the described through-hole connection third drainage trough and second drainage hole, and the through-hole with it is described The first drainage hole shift to install.

Preferably, the power supply unit includes by the battery pack of three 18650 type battery compositions.

The beneficial effects of the present invention are: it joined completely new heating structure and air pressure balance knot in portable coffee machines Structure provides more energy-efficient, fast and safely heating effect by thick film heating assembly, by Bidirectional Air Valve in water heating and It can be realized the balance of inner and outer air pressure during pumping for water pump, to eliminate safe hidden trouble, guarantee making for long-time normal table Use effect.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the invention.

Fig. 2 is explosive view of the invention.

Fig. 3 is axis sectional view of the invention.

Fig. 4 is the structural schematic diagram of cup lid opening state.

Fig. 5 is the schematic diagram of internal structure of coffee machine main body.

Fig. 6 is the structural schematic diagram of Bidirectional Air Valve.

Fig. 7 is the structural schematic diagram of separator.

Fig. 8 is the structural schematic diagram of tower strut.

Fig. 9 is the structural schematic diagram of sealing element.

Specific embodiment

Invention is further described in detail with reference to the accompanying drawings and detailed description.

Referring to Fig.1~Fig. 9, a kind of portable coffee machines comprising the water cup 1 that sets gradually from top to bottom, coffee machine Main body 2 and coffee brewing pedestal 3, the coffee machine main body 2 is interior to be equipped with control circuit 4 and power supply unit 5, the coffee machine On be additionally provided with switch 6, the switch 6 and the control circuit 4 are controlled and are connected, and the water cup 1 includes cup holder 7 and cup main body 8, thick film heating component 9 is embedded in the cup holder 7, and the thick film heating component 9 is electrically connected with the control circuit 4 It connects, the thick film heating component 9 offers the intake tunnel 10 communicated with coffee machine main body 2, the thick film heating component 9 Upper surface is exposed can be contacted outside and directly with water, and the top of the cup main body 8 is equipped with air inlet 11 and relief hole 12, described Air inlet 11 in be equipped with Bidirectional Air Valve 13, and the Bidirectional Air Valve 13 covers in the relief hole 12.

In the present embodiment, the Bidirectional Air Valve 13 is in umbrella comprising umbrella handle portion 14 and umbrella cover portion 15, the umbrella handle Portion 14 is plugged in the air inlet 11, and the umbrella handle portion 14 is convexly equipped with a circle sealing 16, the sealing 16 and institute The air inlet 11 stated, which is formed, to be tightly connected, and the umbrella cover portion 15, which is covered, to be located on the relief hole 12.The umbrella handle portion 14 Lower end is made of the first valve 42 and the second valve 43 and in back taper, sets between first valve 42 and the second valve 43 44 are had the gap, and first valve 42 can abut with second valve 43 and block the gap 44.Using The Bidirectional Air Valve 13 of umbrella provided by the present embodiment, when thick film heating component 9 heats the water in water cup 1, energy It is enough timely by relief hole 12 by the pressure venting of water cup 1, pressure is made by 12 impact umbrella face 15 of relief hole when work It obtains umbrella cover portion 15 to be jacked up to form gap, does not re-form sealing, pressure is released.After heating is completed, hot water quilt Water pump component 21 is taken away, causes to form negative pressure state in water cup 1, so that cup lid is difficult to open, Bidirectional Air Valve 13 can at this time Outside air is introduced by air inlet 11, specifically negative pressure state makes the umbrella handle portion 14 of Bidirectional Air Valve 13 downward when work Pull, so that the first valve 42 is separated with the second valve 43 so that gap 44 is opened, thus extraneous gas from gap 44 into Enter, realize the balance of inner and outer air pressure, guarantees 1 normal use of water cup；And in pressure release, complete phase when the direction of pressure is with negative pressure Instead, so that the first valve 42 firmly abuts together with the second valve 43, guarantee the sealing in gap 44.

Existing water cup 1 is all that rotation is located in coffee machine main body 2, and when use needs to spin down water cup 1 then It adds water to, then is screwed after coffee machine main body 2 is inverted with water cup 1, then refund to normal angled and move in next step again Make, this process is extremely onerous, and water is also easy to pour in operating process.In the present embodiment, the cup main body 8 includes glass shell 17 and cup lid 18, the air inlet 11 be located on the cup lid 18, one end of the cup lid 18 and the glass shell 17 are cut with scissors It connects, the other end of the cup lid 18 is connected and fixed by hasp 19 and the realization of glass shell 17.Using the structure of the present embodiment, Cup lid 18 is opened when adding water to be directly added into, eliminates the process of dismounting water cup 1, and sealing effect is more preferable, operates simpler Just quick, especially when needing persistently to brew, advantage is more obvious.

In the present embodiment, a temperature-sensing element 20 is additionally provided in the water cup 1, the temperature-sensing element 20 and the control Circuit 4 is electrically connected, and the temperature-sensing element 20 passes through the thick film heating component 9 and stretches in the water cup 1.Cause Water and temperature to be added every time have differences, therefore heating time and power naturally cannot be identical.Pass through temperature-sensitive member The setting of part 20 can play the purpose of real-time monitoring, disconnect in time after being heated to assigned temperature, play energy conservation and protection Effect.

In the present embodiment, water pump component 21 and exhalant canal, the water cup 1 are equipped in the coffee machine main body 2 It is connected to by the intake tunnel 10 with the water inlet 23 of the water pump component 21, is equipped in the coffee brewing pedestal 3 The water outlet 25 of accommodating chamber 24 for infusing coffee, the water pump component 21 passes through the exhalant canal and the receiving Chamber 24 is connected to, and is additionally provided with the coffee flow pass 26 being connected with the accommodating chamber 24 in the coffee brewing pedestal 3；It is described Coffee machine main body 2 in be equipped with several and fix bracket 27, the water pump component 21 is arranged in the fixation bracket 27, And the fixation bracket 27 is equipped with cushion blocking 28, since starting motor and water pump can generate vibration in use, leads to The setting for crossing fixed bracket 27 and cushion blocking 28, can play the role of firm and vibration damping, to provide better usage experience.

In the present embodiment, the exhalant canal include tower strut 29 and be located at the coffee machine main body 2 and coffee making The separator 30 between pedestal 3 is steeped, the upper end of the tower strut 29 is connected to the water outlet 25 of the water pump component 21, described The lower end of tower strut 29 and the separator 30 are fixed, and the coffee brewing pedestal 3 and the separator 30 are removable Unload connection；Lower water flow passage 31 is offered in the tower strut 29, the bottom of the tower strut 29 offers the first drainage The upper end of slot 32, the separator 30 is equipped with the second drainage trough 33, and first drainage trough 32 is docked with the second drainage trough 33 And drainage lumens 34 are formed, the lower water flow passage 31 is connected to first drainage trough 32, on second drainage trough 33 The first drainage hole 35 through the separator 30 is offered, first drainage hole 35 misplaces with the lower water flow passage 31 Setting, and first drainage hole 35 than lower water flow passage 31 closer to the center of the accommodating chamber 24；The coffee brewing Pedestal 3 includes accommodating cup 36 for accommodating the coffee of coffee pads or ground coffee or coffee capsule and brewing for holding The coffee cup 37 of coffee afterwards, the accommodating chamber 24 are located at the coffee and accommodate in cup 36, and the coffee flow pass 26 connects Lead to the accommodating chamber 24 and coffee cup 37, the center that the coffee accommodates 36 upper end of cup is equipped with to be communicated with the accommodating chamber 24 The second drainage hole 38, the lower end of the separator 30 is equipped with third drainage trough 39, first drainage hole 35 with it is described Third drainage trough 39 is connected to, and further includes a sealing element 40, and the sealing element 40 covers all the third drainage trough 39, The sealing element 40 is also provided with through-hole 41, and the through-hole 41 is connected to the third drainage trough 39 and described second Drainage hole 38, and the through-hole 41 is shifted to install with first drainage hole 35.Present embodiments provide a kind of lower water system System, user first add water in water cup, then start water pump component and water is pumped in the lower water flow passage in tower strut, connect Flow into the drainage lumens as composed by the first drainage trough and the second drainage trough and carry out to water flow the horizontal direction of first time On drainage, then water is flowed into third drainage trough and is flowed on sealing element along third drainage trough by the first drainage hole Through-hole realizes the drainage in second of horizontal direction to water flow at this time, so that water flow flows to center from side, using through-hole It is flowed into accommodating chamber with the second drainage hole and mixes realization with coffee raw material and brew function.Using unique tower in the present embodiment The structure that strut 29 is connected with separator 30 instead of existing multistage pipe fitting, realizes the drainage function of water, in structure more Add advantages of simple, it is more reliable and more stable in connection, the impact force for falling generation can be stood, amount of parts is reduced, is subtracted The small occupancy in space can be carried out in smaller size of portable coffee machines using being effectively reduced cost of material, in dismounting more Add conveniently, greatly promotes assembly and production efficiency and the maintenance in later period replacement also enhanced convenience.

Preferably, the downwardly projecting lower end surface in the separator 30 of the cell wall of the third drainage trough 39, it is described Groove 45 compatible with the third drainage trough 39 is offered on sealing element 40, the cell wall of the third drainage trough 39 is embedded in institute In the groove 45 stated.It is even closer that the preferred structure cooperates sealing element 40 with separator lower end, and sealing effect also more, fills With very convenient, when use, is very firm.

In the present embodiment, the power supply unit 5 includes by the battery pack of three 18650 type battery compositions.18650 types electricity The performance in pond is more superior, and the output voltage of single battery reaches 3.7V, and capacity reaches 3000-4000 milliamperes, composed by It can be the heating completed to water within 4 minutes under the cooperation of battery pack and thick film heating component 9, and conventional combination, such as Existing PTC calandria cooperates conventional batteries, its heating time at least needs 12 minutes after actual measurement.In addition, the electricity of the present embodiment Pond group can be plugged in by charging jack, or disassembled and changed the battery pack of continuation of the journey and carry out using removing Battery pack is additionally carried out independent charging, so as to realize uninterrupted for a long time use.

In the use of the present invention, filling full water in water cup 1, powder to be made coffee is placed in coffee brewing pedestal 3, so Water cup 1, coffee machine main body 2 and coffee brewing pedestal 3 are connected afterwards.It first passes through switch 6 and starts thick film heating assembly, it is real Now to the heating of water.Then start water pump component 21, under the action of water pump component 21, the water in water cup 1 is via coffee machine Intake tunnel 10 in main body 2 enters the water inlet 23 of water pump component 21, flows into water outlet by the water outlet 25 of water pump component 21 Channel is sufficiently mixed subsequently into the accommodating chamber 24 of coffee brewing pedestal 3 with coffee powder, then passes through coffee flow pass 26 outflow coffees, complete coffee brewing, simple to operate, and its is small in size, is convenient for carrying, and is particularly suitable for open air use.

Claims (8)

1. a kind of portable coffee machines comprising water cup, coffee machine main body and the coffee brewing seat set gradually from top to bottom Body is equipped with control circuit and power supply unit in the coffee machine main body, is additionally provided with switch on the coffee machine, the switch and The control circuit controls connection, it is characterised in that: the water cup includes cup holder and cup main body, and the cup holder is embedded Equipped with thick film heating component, the thick film heating component is electrically connected with the control circuit, the thick film heating component Offer the intake tunnel communicated with coffee machine main body, the upper surface of the thick film heating component is exposed outside and can be straight with water Contact, the top of the cup main body are equipped with air inlet and relief hole, are equipped with Bidirectional Air Valve in the air inlet, and this is two-way Air valve covers in the relief hole.

2. portable coffee machines according to claim 1, it is characterised in that: the Bidirectional Air Valve is in umbrella comprising Umbrella handle portion and umbrella cover portion, the umbrella handle portion are plugged in the air inlet, and the umbrella handle portion is convexly equipped with circle sealing Portion, the sealing and the air inlet, which are formed, to be tightly connected, and the umbrella cover portion lid is located on the relief hole.

3. portable coffee machines according to claim 2, it is characterised in that: the lower end in the umbrella handle portion by the first valve and Second valve forms and is in back taper, and gap, and first valve are equipped between first valve and the second valve It can be abutted with second valve and block the gap.

4. portable coffee machines according to claim 1, it is characterised in that: the cup main body includes glass shell and cup lid, The air inlet is located on the cup lid, and one end of the cup lid and the glass shell are hinged, the other end of the cup lid It is connected and fixed by hasp and the glass shell realization.

5. portable coffee machines according to claim 1, it is characterised in that: be additionally provided with temperature-sensitive member in the water cup Part, the temperature-sensing element are electrically connected with the control circuit, and the temperature-sensing element passes through the thick film heating component and stretches Enter to the water cup.

6. portable coffee machines according to claim 1, it is characterised in that: be equipped with water pump group in the coffee machine main body Part and exhalant canal, the water cup is connected to by the intake tunnel with the water inlet of the water pump component, described The accommodating chamber for infusing coffee is equipped in coffee brewing pedestal, the water outlet of the water pump component passes through the exhalant canal It is connected to the accommodating chamber, it is logical that the coffee outflow being connected with the accommodating chamber is additionally provided in the coffee brewing pedestal Road；

It is equipped with several in the coffee machine main body and fixes bracket, the fixation bracket is arranged in the water pump component In, and the fixation bracket is equipped with cushion blocking.

7. portable coffee machines according to claim 6, it is characterised in that: the exhalant canal include tower strut, with And the separator between the coffee machine main body and coffee brewing pedestal, the upper end of the tower strut and the water pump group The water outlet of part is connected to, and lower end and the separator of the tower strut are fixed, the coffee brewing pedestal with it is described Separator be detachably connected；

Offering lower water flow passage in the tower strut, the bottom of the tower strut offers the first drainage trough, and described point The upper end of separate seat is equipped with the second drainage trough, and first drainage trough docks with the second drainage trough and formed drainage lumens, described Lower water flow passage is connected to first drainage trough, is offered under the first of the separator on second drainage trough Water hole, first drainage hole are shifted to install with the lower water flow passage, and first drainage hole is more than lower water flow passage Close to the center of the accommodating chamber；

The coffee brewing pedestal include for accommodate coffee pads or ground coffee or coffee capsule coffee accommodate cup, with And for holding the coffee cup for brewing rear coffee, the accommodating chamber is located at the coffee and accommodates in cup, the coffee outflow Channel the connection accommodating chamber and coffee cup, the center that the coffee accommodates cup upper end is equipped with to be communicated with the accommodating chamber The lower end of second drainage hole, the separator is equipped with third drainage trough, first drainage hole and the third drainage trough Connection further includes a sealing element, and the sealing element covers all the third drainage trough, and the sealing element is also opened Equipped with through-hole, the described through-hole connection third drainage trough and second drainage hole, and the through-hole with it is described The first drainage hole shift to install.

8. portable coffee machines according to claim 1, it is characterised in that: the power supply unit includes by three The battery pack of 18650 type battery compositions.