CN219289227U - Pump pressure type coffee pot - Google Patents

Abstract

The utility model provides a pumping pressure type coffee pot, comprising: the boiler comprises an upper kettle, a heat-conducting plate, an automatic control circuit and a boiler assembly provided with a furnace chamber; the heat conducting plate is positioned in the furnace chamber and divides the furnace chamber into an upper furnace chamber and a lower furnace chamber; the brewing water is contained in the upper furnace chamber; the automatic control circuit is distributed with a plurality of control circuits which are arranged in the lower furnace chamber: the device comprises a main control board, a main control chip, a temperature sensor, an electric heating pipe and a pressure water pump; wherein, the main control board is fixedly arranged on the lower furnace chamber; the main control chip is arranged on the main control board; the temperature sensor and the electric heating tube are respectively connected to the heat conducting plate; the temperature sensor, the electric heating tube and the pressure water pump are respectively and electrically connected with the main control chip; according to the pump pressure type coffee pot, the working temperature of brewing water is controlled and set through the synergistic effect of the heat conducting plate, the temperature sensor and the main control chip; by controlling the starting time and duration of the pressure water pump, the ideal function of extracting the espresso coffee is realized.

Description

Pump pressure type coffee pot

Technical Field

The utility model belongs to the technical field of coffee making equipment, and particularly relates to a pumping pressure type coffee pot.

Background

At present, the traditional mocha coffee pot in the market generally adopts the steam pressure extraction principle, and the mocha coffee pot is suitable for common families or offices, but cannot produce ideal aromatic alcohol concentrated coffee liquid.

The optimal temperature of the brewed coffee is about 95 ℃ so that if the brewing temperature is too high, the surface of the brewed coffee looks like concentrated grease, but the taste becomes bitter and burnt, and the coffee is completely unsuitable for the taste requirements of people.

Because the device capable of actually making the espresso coffee is usually a semi-automatic or fully-automatic coffee machine and has strict definition and coffee making process, for example, an integrated electronic control system such as a temperature, pressure water pump, bean grinding and the like is adopted, the coffee machine generally has huge volume, a complex control system and quite high price, and cannot meet the individual requirements of a common family on low price and high quality of the device.

Therefore, the partial functions of the coffee machine are organically combined with the coffee pot, so that the requirement of increasing the pressure aggregation of brewing water can be met, the experience that the taste of coffee is reduced due to the fact that the extraction temperature is not too high can be ensured, and meanwhile, an ideal scheme meeting the requirements of common families is a main design trend.

Disclosure of Invention

In view of the above-mentioned problems of the prior art, the present utility model provides a pump type coffee maker which can effectively control the temperature of brewing water and the extraction pressure to the desired level for making an ideal espresso coffee, and which is safe, reliable, convenient to use, and simple to maintain.

In order to achieve the above purpose, the technical scheme adopted by the embodiment of the utility model is as follows:

there is provided a pumping type coffee maker, comprising: the boiler comprises an upper kettle, a heat-conducting plate, an automatic control circuit and a boiler assembly provided with a furnace chamber; the heat conducting plate is positioned in the furnace chamber and divides the furnace chamber into an upper furnace chamber and a lower furnace chamber; the brewing water is contained in the upper furnace chamber; the automatic control circuit is distributed with a plurality of control circuits which are arranged in the lower furnace chamber: the device comprises a main control board, a main control chip, a temperature sensor, an electric heating pipe and a pressure water pump; wherein, the main control board is fixedly arranged on the lower furnace chamber; the main control chip is arranged on the main control board; the temperature sensor and the electric heating tube are respectively connected to the heat conducting plate; the temperature sensor, the electric heating tube and the pressure water pump are respectively and electrically connected with the main control chip.

In some embodiments of the utility model, the pump-type coffee maker further comprises a support plate positioned below the heat conducting plate, transversely laid in the lower cavity, and connected to the inner wall of the lower cavity; the main control board and the pressure water pump are fixedly arranged on the surface of one side, away from the heat conducting plate, of the supporting plate.

In some embodiments of the present utility model, the automatic control circuit further includes: a relay and a fuse; wherein the fuse is arranged on the heat conducting plate; the electric heating tube, the fuse, the relay and the main control chip are connected in series.

In some embodiments of the utility model, the pump-type coffee maker further comprises an upper connector and a lower connector; the upper connector is arranged at the bottom of the boiler assembly, and the lower connector is arranged on the base; the automatic control circuit is turned on in a state where the upper connector is electrically connected with the lower connector.

In some embodiments of the present utility model, a temperature controller is further distributed on the automatic control circuit and connected to the heat conducting plate; the electric heating tube is electrically connected with the upper connector through the temperature controller.

In some embodiments of the utility model, the temperature sensor includes a sensing portion; the induction part is arranged in the upper furnace chamber.

In some embodiments of the present utility model, the support plate is configured to be curved at a position thereof corresponding to the pressure water pump, and to be matched with a surface shape of the pressure water pump.

In some embodiments of the utility model, the pump-type coffee maker further comprises a water pump gland; and two ends of the water pump gland are fixedly connected with the supporting plate and are used for coating and fixing the pressure water pump.

In some embodiments of the utility model, the pump-type coffee maker further comprises a water inlet pipe, a water outlet pipe, a main water pipe and a coffee powder hopper; the upper furnace chamber, the water inlet pipe, the pressure water pump, the water outlet pipe, the main water pipe and the coffee powder hopper are sequentially communicated and form a brewing water passage; wherein the main water pipe longitudinally penetrates through the upper furnace chamber so as to communicate the upper furnace chamber with the coffee powder hopper; the main water pipe is provided with a flow limiting inlet at one end communicated with the coffee powder hopper and used for increasing the pressure of brewing water.

In some embodiments of the utility model, the upper kettle and the boiler assembly form a detachable connection in a threaded manner through a connecting cover.

Compared with the prior art, the utility model has the beneficial effects that:

according to the pumping pressure type coffee pot, the working temperature of brewing water is accurately and intelligently controlled and set through the synergistic effect of the heat-conducting plate, the temperature sensor and the main control chip, for example, the water temperature of the brewing water is 93-95 ℃ and the extraction pressure is 5-7bar during extraction; and the ideal function of extracting the espresso coffee is realized by controlling the starting time and the duration time of the pressure water pump, so that the espresso coffee with rich mellow flavor is easily manufactured.

Drawings

In the drawings, which are not necessarily drawn to scale, like numerals may describe similar components in different views. The same reference numerals with letter suffixes or different letter suffixes may represent different instances of similar components. The accompanying drawings illustrate various embodiments by way of example in general and not by way of limitation, and together with the description and claims serve to explain the inventive embodiments. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Such embodiments are illustrative and not intended to be exhaustive or exclusive of the present apparatus or method.

FIG. 1 is a cross-sectional view of a pump type coffee maker of an embodiment of the present utility model;

FIG. 2 is an exploded view of a pump type coffee maker of an embodiment of the present utility model;

FIG. 3 is a schematic view showing a partial construction of a pump type coffee maker according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing a partial construction of a pump type coffee maker according to an embodiment of the present utility model;

FIG. 5 is a schematic view showing a partial construction of a pump type coffee maker according to an embodiment of the present utility model;

FIG. 6 is a schematic view showing a partial construction of a pump type coffee maker according to an embodiment of the present utility model;

fig. 7 is a circuit diagram of an automatic control circuit of a pump type coffee maker according to an embodiment of the present utility model.

Description of the reference numerals

1-placing a kettle; 6-boiler assembly; 7-connecting a cover; 10-a coffee powder hopper; 14-a restrictive flow inlet;

20-a heat-conducting plate; 21-an electric heating tube; 22-temperature controller; a 23-fuse; 24-a temperature sensor;

28-a main conduit; 35-a water outlet pipe; 36-water inlet pipe; 38-a main control board; 39-supporting plates;

40-pressure water pump; 41-a water pump gland; 48-upper connector; 53-power switch; 54-a main control chip; 55-relay; 56 a drive circuit module; 57-upper furnace chamber; 58-lower furnace chamber

Detailed Description

Hereinafter, specific embodiments of the present utility model will be described in detail with reference to the accompanying drawings, but not limiting the utility model. Embodiments of the present utility model will be described in further detail below with reference to the drawings and specific examples, but not by way of limitation.

All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

At present, the device for making the espresso coffee is usually a semi-automatic or fully-automatic coffee machine, has strict definition and coffee making process, for example, adopts an integrated electronic control system such as a temperature pump, a pressure pump, a bean grinding pump and the like, and has complex functions, so that the coffee machine is huge and complex to control, and is expensive, and the requirements of common consumers are difficult to meet. Therefore, the utility model provides the following solution to meet the requirements of making strong aromatic coffee and moderate price,

an embodiment of the present utility model provides a pumping type coffee maker, which includes, in combination with fig. 1, 2, and 4 to 7: the upper kettle 1, the heat conducting plate 20, an automatic control circuit and a boiler assembly 6 provided with a furnace chamber; the heat-conductive plate 20 is located in the cavity and divides the cavity into an upper cavity 57 and a lower cavity 58; the brewing water is accommodated in the upper furnace chamber 57; the automatic control circuit is distributed in the lower furnace chamber 58: the main control board 38, the main control chip 54, the temperature sensor 24, the electric heating tube 21 and the pressure water pump 40; wherein, the main control board 38 is fixedly arranged on the lower furnace chamber 58; the main control chip 54 is arranged on the main control board 38; the temperature sensor 24 and the electric heating tube 21 are respectively connected to the heat conducting plate 20; the temperature sensor 24, the electrothermal tube 21 and the pressure water pump 40 are respectively and electrically connected with the main control chip 54. In the pump type coffee maker of the present embodiment, the working temperature of the brewing water can be controlled and set by the synergistic effect of the heat-conducting plate 20, the temperature sensor 24 and the main control chip 54; accordingly, by controlling the activation time and duration of the pressure water pump 40, a reasonable amount of brewing water reaching the extraction demand water temperature is provided to achieve extraction of the optimal taste espresso. Accordingly, since the temperature sensor 24 is capable of accurately sensing the temperature of the brewing water, the accuracy can be as high as 0.5 ℃. When coffee is made, when the brewing water in the upper furnace chamber 57 is heated to a set temperature value, the temperature sensor 24 transmits the collected signals to the main control chip 54 on the main control board 38, and at this time, the main control chip 54 immediately sends out instructions to control the pressure water pump 40 to start working and to last for a long time. Further, in the present embodiment, the pressure water pump 40 includes a driving circuit module 56, and is electrically connected to the main control chip 54 through the driving circuit module 56.

In this embodiment, the upper kettle 1 can be manufactured from a variety of raw materials, such as food grade plastics, stainless steel, aluminum alloys, glass, ceramics.

Further, the pump-type coffee maker further includes a support plate 39, and referring to fig. 1, 2, and 4 to 6, the support plate 39 is located below the heat-conducting plate 20, is laterally laid in the lower cavity 58, and is connected to the inner wall of the lower cavity 58; the main control board 38 and the pressure water pump 40 are fixedly arranged on the surface of the side, away from the heat conducting board 20, of the supporting board 39. Further, the pump type coffee maker further includes a water pump pressing cover 41; the two ends of the pump gland 41 are fixedly connected to the support plate 39 for covering and fixing the pressure pump 40. By this arrangement, a reasonable distance is provided between the main control board 38 and the heat conduction board 20, and the separation is performed by the support board 39, preventing damage to the main control board 38 and the electronic control components (e.g., the main control chip 54, etc.) thereon during high-temperature heating, and preventing damage to the pressure water pump 40 at high temperature. Accordingly, by providing the water pump gland 41 to improve the fixing protection of the pressure water pump 40, the influence of loosening after long-term use on the use experience is avoided, and accordingly, the service life of the pump type coffee maker is prolonged.

Further, referring to fig. 1, 2 and 6, the support plate 39 is configured to be curved at a position thereof corresponding to the pressure water pump 40 and to match the surface shape of the pressure water pump 40. By this arrangement, the limited space of the lower cavity 58 is fully and reasonably utilized. In the present embodiment, the size of the curved surface can be adjusted accordingly according to the volume of the pressure water pump 40 and the effective space of the lower furnace chamber 58, and the specific adjustment mode is not limited herein.

Further, in conjunction with fig. 1, 2, and 4 to 7, the automatic control circuit is further distributed with: a relay 55 and a fuse 23; wherein the fuse 23 is provided on the heat conductive plate 20; the electrothermal tube 21 is connected in series with the fuse 23, the relay 55 and the main control chip 54. Further, a temperature controller 22 is further distributed on the automatic control circuit and is connected to the heat conducting plate 20; the electric heating tube 21 is electrically connected with the upper connector 48 through the temperature controller 22. In combination with the above embodiment, the heat conducting plate 20 heats the brewing water, the temperature sensor 24 samples the water temperature of the brewing water, and the sampling result is fed back to the main control chip 54 on the main control board 38, so that the working temperature of the brewing water is accurately controlled and freely set by the main control chip 54 to meet the requirement of extraction temperature; meanwhile, the circuit is cut off through the temperature controller 22 and the fuse 23 when the brewing water temperature is too high, so that the safety of the pump type coffee pot during electric heating is effectively ensured, and the requirement of making the concentrated coffee with perfect taste on the brewing water temperature is met.

Further, referring to fig. 1 and 7, the pump type coffee maker further includes an upper connector 48 and a lower connector (not shown); an upper connector 48 is provided at the bottom of the boiler assembly 6, and a lower connector is provided on a base (not shown in the drawings); the automatic control circuit is turned on in a state where the upper connector 48 is electrically connected to the lower connector. In this embodiment, the automatic control circuit is further distributed with a power switch 53; the main control chip 54 is electrically connected with the upper connector 48 through the power switch 53, and the safety of subsequent operation is facilitated through a split setting mode and the corresponding power switch 53.

Further, referring to fig. 1, the temperature sensor 24 includes a sensing portion (not shown in the drawing); the sensing part is provided in the upper cavity 57. By this arrangement, the temperature of the brewing water in the upper cavity 57 can be accurately sampled, and thus, an espresso coffee with a perfect taste can be produced. The specific location of the sensing portion may be reasonably safe in combination with the spatial arrangement of the lower cavity 58 and the structural space of the upper cavity 57, which is not particularly limited herein.

Further, referring to fig. 1 to 3 and 6, the pump type coffee maker further comprises a water inlet pipe 36, a water outlet pipe 35, a water guide pipe 28 and a coffee powder hopper 10; the upper furnace chamber 57, the water inlet pipe 36, the pressure water pump 40, the water outlet pipe 35, the main water pipe 28 and the coffee powder hopper 10 are sequentially communicated and form a brewing water passage; wherein the main water guide pipe 28 longitudinally penetrates the upper cavity 57 to communicate the upper cavity 57 with the coffee powder hopper 10; the main conduit 28 is provided with a restricted inlet 14 at its end communicating with the coffee powder hopper 10 for increasing the pressure of the brewing water. By this arrangement, a complete circulation flow of the brewing water is achieved, and the pumping operation of the brewing water can be completed only by the pressure water pump 40.

Further, referring to fig. 1, the upper kettle 1 is detachably connected with the boiler assembly 6 by a connecting cover 7 in a screw-connection manner. In this embodiment, a sealing flat gasket and a sealing ring can be additionally arranged at the joint to realize contact sealing, when the upper pot 1 and the boiler assembly 6 are screwed by threads, the coffee powder hopper 10 can be formed into a closed container in the boiler assembly 6, and particularly, leakage cannot occur when high-pressure brewing water passes through the coffee powder hopper 10, so that concentrated coffee extraction is realized on the premise of providing safety guarantee.

In the above embodiment, the pump-type coffee maker of the present utility model has the main control board 38, the main control chip 54, the pressure water pump 40, the temperature sensor 24, the electric heating tube 21, the temperature controller 22 and the fuse 23 arranged in the boiler assembly 6, so that an automatic circuit control system is effectively formed, part of functions of the existing coffee maker are organically combined with the coffee maker, the bottleneck of the traditional coffee maker manufacturing device is broken through, and the function of preparing espresso coffee by one key is realized.

Furthermore, although illustrative embodiments are described herein, the scope includes any and all embodiments having equivalent elements, modifications, omissions, combinations (e.g., of schemes across various embodiments), adaptations or alterations as per the present utility model. Elements in the claims will be construed broadly based on the language used in the claims and not limited to examples described in the specification or during the lifetime of the application. Furthermore, the steps of the inventive method may be modified in any way, including by reordering steps or inserting or deleting steps. It is intended, therefore, that the description be regarded as examples only, with a true scope being indicated by the following claims and their full range of equivalents.

The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more aspects thereof) may be used in combination with each other. Other embodiments may be used by those of ordinary skill in the art after reading the above description. Moreover, in the foregoing detailed description, various features may be grouped together to simplify the present utility model. This should not be interpreted as intending that an unclaimed inventive feature is essential to any claim. Thus, the following claims are incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with one another in various combinations or permutations. The scope of the utility model should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

Claims (10)

1. A pump-type coffee maker, comprising: the boiler comprises an upper kettle, a heat-conducting plate, an automatic control circuit and a boiler assembly provided with a furnace chamber;

the heat conducting plate is positioned in the furnace chamber and divides the furnace chamber into an upper furnace chamber and a lower furnace chamber; the brewing water is contained in the upper furnace chamber;

the automatic control circuit is distributed with a plurality of control circuits which are arranged in the lower furnace chamber: the device comprises a main control board, a main control chip, a temperature sensor, an electric heating pipe and a pressure water pump; wherein, the liquid crystal display device comprises a liquid crystal display device,

the main control board is fixedly arranged on the lower furnace chamber; the main control chip is arranged on the main control board; the temperature sensor and the electric heating tube are respectively connected to the heat conducting plate;

the temperature sensor, the electric heating tube and the pressure water pump are respectively and electrically connected with the main control chip.

2. The pump-type coffee maker of claim 1, further comprising a support plate positioned below the heat conductive plate, laterally laid in the lower cavity, and connected to an inner wall of the lower cavity;

the main control board and the pressure water pump are fixedly arranged on the surface of one side, away from the heat conducting plate, of the supporting plate.

3. The pump-type coffee maker of claim 1, wherein the automatic control circuit further comprises: a relay and a fuse; wherein the fuse is arranged on the heat conducting plate; the electric heating tube, the fuse, the relay and the main control chip are connected in series.

4. The pump-type coffee maker of claim 1, further comprising an upper connector and a lower connector; the upper connector is arranged at the bottom of the boiler assembly, and the lower connector is arranged on the base; the automatic control circuit is turned on in a state where the upper connector is electrically connected with the lower connector.

5. The pump pressure type coffee maker of claim 4, wherein a temperature controller is further distributed on the automatic control circuit and connected to the heat conductive plate; the electric heating tube is electrically connected with the upper connector through the temperature controller.

6. The pump-type coffee maker of claim 1, wherein the temperature sensor includes a sensing portion; the induction part is arranged in the upper furnace chamber.

7. The pump-type coffee maker of claim 2, wherein the support plate is configured to be curved at a position thereof corresponding to the pressure water pump and to be matched to a surface shape of the pressure water pump.

8. The pump-type coffee maker of claim 7, further comprising a water pump gland; and two ends of the water pump gland are fixedly connected with the supporting plate and are used for coating and fixing the pressure water pump.

9. The pump pressure type coffee maker of claim 1, further comprising a water inlet pipe, a water outlet pipe, a water main pipe and a coffee powder hopper; the upper furnace chamber, the water inlet pipe, the pressure water pump, the water outlet pipe, the main water pipe and the coffee powder hopper are sequentially communicated and form a brewing water passage; wherein, the liquid crystal display device comprises a liquid crystal display device,

the main water guide pipe longitudinally penetrates through the upper furnace chamber so as to communicate the upper furnace chamber with the coffee powder hopper; the main water pipe is provided with a flow limiting inlet at one end communicated with the coffee powder hopper and used for increasing the pressure of brewing water.

10. The pump-type coffee maker of claim 1, wherein the upper boiler and the boiler assembly are detachably coupled by a coupling cover in a screw-coupling manner.

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