CN204839146U - Coffee machine - Google Patents

Coffee machine Download PDF

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Publication number
CN204839146U
CN204839146U CN201520411743.8U CN201520411743U CN204839146U CN 204839146 U CN204839146 U CN 204839146U CN 201520411743 U CN201520411743 U CN 201520411743U CN 204839146 U CN204839146 U CN 204839146U
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CN
China
Prior art keywords
water tank
water
electrode probe
coffee machine
holding vessel
Prior art date
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Expired - Fee Related
Application number
CN201520411743.8U
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Chinese (zh)
Inventor
孙华平
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Individual
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Individual
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Priority to CN201520411743.8U priority Critical patent/CN204839146U/en
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Publication of CN204839146U publication Critical patent/CN204839146U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a coffee machine, including the host computer body, the inside of the host computer body is equipped with the water tank, the lower extreme of water tank is equipped with communicating pipe, still be equipped with the heat preservation holding vessel on the host computer body, the inside of heat preservation holding vessel is equipped with heating device and temperature sensor, the upper end of water tank is equipped with the lid, be equipped with electric heating wire in the water tank, the bottom of water tank is equipped with inlet tube and outlet pipe, the end of intaking that the water tank bottom is located the inlet tube is equipped with the manger plate cover, the side of manger plate cover is equipped with a plurality of vertical honeycomb ducts, the upper end of honeycomb duct is connected with the spiral pipe, the outer end of spiral pipe be equipped with vertical back flow, the back flow lower extreme be equipped with the water distribution shower nozzle, electric heating wire be located manger plate cover directly over, the outside of water tank still is equipped with the capacitor electrode probe, the relative top position of water tank is close to the upper end of capacitor electrode probe, the lower extreme of capacitor electrode probe is close the relative bottom position of water tank. The utility model discloses simple structure, convenient to use heat effectually, energy -concerving and environment -protective, and water level monitoring is convenient.

Description

A kind of coffee machine
Technical field
The utility model relates to field of household appliances, specifically a kind of coffee machine.
Background technology
Along with the progress of technology, the market application of coffee machine is more and more wider, function is also more and more perfect, although existing coffee machine device for detecting water level of water tank can react the change or how many of coffee machine cistern water level visually, but also there is various drawback, such as, no matter be adopt electrode slice or the mode such as hydraulic pressure sensor and thermistor, all sensing probe must be inserted water tank inside, directly contact with water, can have influence on the water quality of water tank on the one hand, particularly as being used for the water drunk of making coffee, water quality is easily polluted by sensing probe.Secondly, after inserting the sensing probe Long-Time Service in water, easy fouling or corrosion, have influence on the sensitivity of sensing probe and then have influence on the accuracy of measuring ability.
And coffee machine water tank mainly heats the water for infusing coffee, in water tank, electrical heating wire is installed, temperature sensor is had around electrical heating wire, the bottom of water tank is installed into water pipe and outlet pipe, heating is stopped after electrical heating wire is heated to 100 degrees Celsius the water in water tank, when it is desired to be used, hot water is discharged from outlet pipe, cold water enters in water tank and supplements from water inlet pipe simultaneously, along with adding of cold water, when temperature sensor detects water temperature lower than 70 degrees Celsius, electrical heating wire can heat, therefore the electrical heating wire in water tank can be in intermittent heated condition always, but water inlet pipe on water tank is generally direct is communicated with water tank, when such cold water enters water tank, chilled water flow directly can flow to and add heating wire side, temperature now around electrical heating wire can be reduced to less than 70 degrees Celsius fast, temperature sensor detects that temperature is lower than controlling electrical heating wire heating when 70 degrees Celsius, if and in fact this portion of cold water and hot water original in water tank fully mix rear overall water temperature and remain higher than 70 degrees Celsius, adding of each cold water, no matter whether final temperature is higher than 70 degrees Celsius, electrical heating wire all can open heating, then heating can be stopped again at short notice, such as in one hour, one heats once to heat ten minutes, another kind is heating ten times, each heating one minute, electrical heating wire is energized, shutdown transient electric current is very large, obvious heating can increase energy consumption ten times.And the component that each coffee machine cooks coffee can not just in time meet each demand, most of situation be the coffee that cooks more than demand, easily cause waste.
Utility model content
The purpose of this utility model is the coffee machine providing a kind of structure simple, easy to use, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of coffee machine, comprise main body, the inside of described main body is provided with water tank, the lower end of described water tank is provided with connecting pipe, main body is also provided with insulation holding vessel, the inside of described insulation holding vessel is provided with heater and temperature sensor, the side of insulation holding vessel is provided with outlet, the upper end of water tank is provided with lid, electrical heating wire is provided with in water tank, the bottom of water tank is provided with water inlet pipe and outlet pipe, the water inlet end that water tank bottom is positioned at water inlet pipe is provided with water retaining cover, the side of described water retaining cover is provided with some vertical mozzles, the upper end of described mozzle is connected with helix tube, the outer end of described helix tube is provided with vertical return duct, described return duct lower end is provided with water-distribution nozzle, described electrical heating wire is positioned at directly over water retaining cover, the outside of water tank is also provided with capacitance electrode probe, the upper end of described capacitance electrode probe is close to the opposite crests position of water tank, the lower end of capacitance electrode probe is close to the opposing floor portion position of water tank, capacitance electrode probe is connected with outside capacitive sensing circuit.
As further program of the utility model: described mozzle, helix tube, return duct are all copper pipe, and the outside of described mozzle is arranged with instlated tubular.
As further program of the utility model: the downside, top of described water retaining cover is provided with sphere pit, the axis of described water inlet pipe passes the centre of sphere of sphere pit.
As the utility model further scheme: the outside of described tank body is provided with heat-insulation layer.
Compared with prior art, the beneficial effects of the utility model are: be provided with insulation holding vessel, unnecessary coffee can be kept in insulation holding vessel, is also provided with heater, when coffee cools off in insulation holding vessel, can be used for heating, prevent coffee from turning cold and affect heating, be provided with capacitance electrode probe, the change of the water yield is fed back or is shown by dynamic visually at any time, and capacitance electrode probe is without the need to contacting water, directly can judge that water level is how many, long service life, without the need to worrying sensing probe problem of rustiness, not by the impact of water quality, all really can judge water level, avoid traditional water level detecting, when water quality degree of ionization is lower, the misjudgment occurred, the vibrational power flow of this water tank, make after the hot water in water tank is discharged from outlet pipe, cold water enters from water inlet pipe, mozzle is entered respectively after water retaining cover, under the effect of mozzle, cold water is imported in helix tube, and helix tube is positioned at the upper end of water tank, the hot water of the cold water in helix tube and water tank upper end carries out heat exchange, hot water now around electrical heating wire there is no and cold water heat exchange, cold water temperature after the heat exchange of helix tube raises, finally be back to again bottom tank body from return duct, now be back to the temperature of the water in tank body close to the temperature of hot water in water tank, can think hot water heat exchange fully in cold water now and water tank, in water tank, the bulk temperature of all water tends to balance, if the temperature sensor around electrical heating wire detects that temperature is higher than 70 degree, then electrical heating wire can not heat, thus prevent cold water to be directly punched into the temperature sensor place around electrical heating wire from water inlet pipe, cause temperature sensor to detect instantaneous temperature opens electrical heating wire heating lower than 70 degree, this kind of coffee maker box structure can reduce electrical heating wire heating frequency, only have when the bulk temperature in tank body just can heat lower than when 70 degree, reduce the energy consumption of electrical heating wire significantly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of water tank.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, in the utility model embodiment, a kind of coffee machine, comprise main body 1, the inside of described main body 1 is provided with water tank 2, the lower end of described water tank 2 is provided with connecting pipe 3, main body 1 is also provided with insulation holding vessel 4, the inside of described insulation holding vessel 4 is provided with heater 7 and temperature sensor 6, and the side of insulation holding vessel 4 is provided with outlet 5, and unnecessary coffee can be kept in insulation holding vessel 4, heater 7 is also provided with in insulation holding vessel 4, when coffee cools off, can be used for heating, preventing coffee from turning cold affects heating.
The upper end of water tank 2 is provided with lid 8, electrical heating wire 18 is provided with in water tank 2, the bottom of water tank 2 is provided with water inlet pipe 17 and outlet pipe 19, the water inlet end being positioned at water inlet pipe 17 bottom water tank 2 is provided with water retaining cover 16, the downside, top of described water retaining cover 16 is provided with sphere pit 15, the axis of described water inlet pipe 17 passes the centre of sphere of sphere pit 15, the side of water retaining cover 16 is provided with some vertical mozzles 11, the upper end of described mozzle 11 is connected with helix tube 12, the outer end of described helix tube 12 is provided with vertical return duct 13, described return duct 13 lower end is provided with water-distribution nozzle 14, described mozzle 11, helix tube 12, return duct 13 is all copper pipe, the outside of described mozzle 11 is arranged with instlated tubular 10, described electrical heating 18 is positioned at directly over water retaining cover 16, make after the hot water in water tank 2 is discharged from outlet pipe 19, cold water enters from water inlet pipe 17, mozzle 11 is entered respectively after water retaining cover 16, under the effect of mozzle 11, cold water is imported in helix tube 12, and helix tube 12 is positioned at the upper end of water tank 2, the hot water of the cold water in helix tube 12 and water tank 2 upper end carries out heat exchange, hot water now around electrical heating wire 18 there is no and cold water heat exchange, cold water temperature after the heat exchange of helix tube 12 raises, finally be back to again bottom water tank 2 from return duct 13, now be back to the temperature of the water in water tank 2 close to the temperature of hot water in water tank 2, can think hot water heat exchange fully in cold water now and water tank 2, in water tank 2, the bulk temperature of all water tends to balance, if the temperature sensor around electrical heating wire 18 detects that temperature is higher than 70 degree, then electrical heating wire 18 can not heat, thus prevent cold water to be directly punched into the temperature sensor place around electrical heating wire 18 from water inlet pipe 17, instantaneous temperature is opened electrical heating wire 18 lower than 70 degree and is heated to cause temperature sensor to detect, this kind of coffee machine water tank 2 structure can reduce electrical heating wire 18 heating frequency, only have when the bulk temperature in water tank 2 just can heat lower than when 70 degree, reduce the energy consumption of electrical heating wire 18 significantly.
The outside of water tank 2 is also provided with capacitance electrode probe 20, the upper end of described capacitance electrode probe 20 is close to the opposite crests position of water tank 2, the lower end of capacitance electrode probe 20 is close to the opposing floor portion position of water tank 2, capacitance electrode probe 20 is connected with outside capacitive sensing circuit, the change of the water yield is fed back or is shown by dynamic visually at any time, and capacitance electrode probe 20 is without the need to contacting water, directly can judge that water level is how many; Long service life, without the need to worrying sensing probe problem of rustiness; Not by the impact of water quality, all really can judge water level, avoid traditional water level detecting, when water quality degree of ionization is lower, the misjudgment of appearance, the outside of water tank 2 is also provided with heat-insulation layer 9.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.

Claims (4)

1. a coffee machine, comprise main body (1), it is characterized in that, the inside of described main body (1) is provided with water tank (2), the lower end of described water tank (2) is provided with connecting pipe (3), main body (1) is also provided with insulation holding vessel (4), the inside of described insulation holding vessel (4) is provided with heater (7) and temperature sensor (6), the side of insulation holding vessel (4) is provided with outlet (5), the upper end of water tank (2) is provided with lid (8), electrical heating wire (18) is provided with in water tank (2), the bottom of water tank (2) is provided with water inlet pipe (17) and outlet pipe (19), the water inlet end that water tank (2) bottom is positioned at water inlet pipe (17) is provided with water retaining cover (16), the side of described water retaining cover (16) is provided with some vertical mozzles (11), the upper end of described mozzle (11) is connected with helix tube (12), the outer end of described helix tube (12) is provided with vertical return duct (13), described return duct (13) lower end is provided with water-distribution nozzle (14), described electrical heating (18) silk is positioned at directly over water retaining cover (16), the outside of water tank (2) is also provided with capacitance electrode probe (20), the upper end of described capacitance electrode probe (20) is close to the opposite crests position of water tank (2), the lower end of capacitance electrode probe (20) is close to the opposing floor portion position of water tank (2), capacitance electrode probe (20) is connected with outside capacitive sensing circuit.
2. a kind of coffee machine according to claim 1, is characterized in that, described mozzle (11), helix tube (12), return duct (13) are all copper pipe, and the outside of described mozzle (11) is arranged with instlated tubular (10).
3. a kind of coffee machine according to claim 1, is characterized in that, the downside, top of described water retaining cover (16) is provided with sphere pit (15), and the axis of described water inlet pipe (17) passes the centre of sphere of sphere pit (15).
4. a kind of coffee machine according to claim 1, is characterized in that, the outside of described water tank (2) is provided with heat-insulation layer (9).
CN201520411743.8U 2015-06-16 2015-06-16 Coffee machine Expired - Fee Related CN204839146U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520411743.8U CN204839146U (en) 2015-06-16 2015-06-16 Coffee machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520411743.8U CN204839146U (en) 2015-06-16 2015-06-16 Coffee machine

Publications (1)

Publication Number Publication Date
CN204839146U true CN204839146U (en) 2015-12-09

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ID=54729757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520411743.8U Expired - Fee Related CN204839146U (en) 2015-06-16 2015-06-16 Coffee machine

Country Status (1)

Country Link
CN (1) CN204839146U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107115027A (en) * 2016-02-24 2017-09-01 广东顺德光晟电器股份有限公司 The coffee machine of family expenses Optical wave electric heating tube heating
CN107184092A (en) * 2017-07-08 2017-09-22 佛山市正略信息科技有限公司 A kind of domestic coffee maker
CN110754941A (en) * 2019-11-07 2020-02-07 宁波优咖智能科技有限公司 Portable coffee machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107115027A (en) * 2016-02-24 2017-09-01 广东顺德光晟电器股份有限公司 The coffee machine of family expenses Optical wave electric heating tube heating
CN107184092A (en) * 2017-07-08 2017-09-22 佛山市正略信息科技有限公司 A kind of domestic coffee maker
CN110754941A (en) * 2019-11-07 2020-02-07 宁波优咖智能科技有限公司 Portable coffee machine

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151209

Termination date: 20160616

CF01 Termination of patent right due to non-payment of annual fee