CN2722306Y

CN2722306Y - Water level controller of Itallian coffee maker

Info

Publication number: CN2722306Y
Application number: CN 200420089325
Authority: CN
Inventors: 刘宗熹
Original assignee: GINO CREATION CO Ltd
Current assignee: GINO CREATION CO Ltd
Priority date: 2004-08-31
Filing date: 2004-08-31
Publication date: 2005-08-31
Anticipated expiration: 2014-08-31

Abstract

The utility model discloses a water level controller of an Italian coffee maker, the Italian coffee maker and a water boiler are provided with a power supply switch, a control unit, a heater, a sound wave warning device, a display unit, three water level probes with different lengths, etc. in order to check a normal water level, a full water level, a water supplementing level and a water lacking level in the boiler, water level signals are transferred to the control unit in order to supplement water and turn on or off the heater or the sound wave warning device, and then the water level state can be indicated by a water level indicator light in the display unit.

Description

The water-level control apparatus of espresso coffee machine

Technical field

The utility model relates to a kind of espresso coffee machine water-level control apparatus, especially relates to the technology of carrying out the water level monitoring with water level probe in conjunction with water level indicator light.

Background technology

The espresso coffee machine of Shi Yonging (Espresso Coffee Machine) on the market, be to be used for modulating aromatic espresso coffee (Espresso), has a homogeneous solution-type reactor in its body, and the boiler bottom is provided with a well heater, form steam in order to the water in the heating boiler, so that use steam to make the milk bubble of espresso coffee, or use the next warm coffee cup of hot water in the stove.

And the boiler in the espresso coffee machine is under long-time High Temperature High Pressure operation, have danger, especially when water level is too low, have and cause the empty danger of burning of well heater, when water level is too high, can discharge hot water in the time of can't correctly using steam or use steam and cause danger, have to add note.

Traditional espresso coffee machine is connected with boiler with a upright transparent tube usually, based on connecting pipe principle, impel the interior height of water level of interior water potential of this transparent tube and boiler identical, and be provided with a buoyant spheres in the transparent tube, and show water level height in the boiler by buoyant spheres, and controlled water yield boiler in how much.

Because common people are when using traditional espresso coffee machine, often because of the indication scarce capacity of transparent tube internal buoyancy ball, the operator is the height of water level of visual buoyant spheres very absorbedly, causes the meaningless psychological burden of operator; And buoyant spheres does not possess the ability of initiatively reminding, and in other words, only can rely on and make operator's visual concern all the time, could take precautions against device damage or causes danger.If the operator has careless mistake slightly, just might make water level in the boiler take place unusual, really quite inconvenience even cause danger.

The innovation and creation content

The purpose of this utility model provides a kind of water level indication ability that is intended to promote in the espresso coffee machine boiler, particularly with enforceable sound and eye-catching pilot lamp, remind the operator to note the water position status that boiler is interior, to alleviate the espresso coffee machine water-level control apparatus of operator's psychological burden when watching traditional water level display attentively.

For achieving the above object, the utility model is taked following technical scheme: a kind of water-level control apparatus of espresso coffee machine, at least be provided with a power switch, a control module and a display unit in an espresso coffee machine or on its casing, and be provided with a well heater in the boiler; Be provided with a high-level probe, a middle water level probe and a low-level probe in order to detect the water level signal in the described boiler, and be connected to described control module by signal line, described control module is connected on well heater and the display unit by power lead.

In the water-level control apparatus of above-mentioned espresso coffee machine, described control module also connects a sound wave attention device.

In the water-level control apparatus of above-mentioned espresso coffee machine, described control module also connects the water inlet switch of being located on the boiler.

In the water-level control apparatus of above-mentioned espresso coffee machine, described water inlet switch is a solenoid valve.

The utility model also provides a kind of water-level control apparatus of espresso coffee machine, mainly is to be provided with a power switch, a control module and a display unit in an espresso coffee machine or on its casing at least, and is provided with a well heater in the boiler; The described boiler outside is provided with a cylindrical shell, is connected with boiler with another drain manifold by a water inlet manifold; Be provided with a high-level probe, a middle water level probe and a low-level probe in the described cylindrical shell, and be connected to described control module by signal line, described control module is connected on well heater and the display unit by power lead.

The water-level control apparatus of another espresso coffee machine of the utility model mainly is to be provided with a power switch, a control module and a display unit in an espresso coffee machine or on its casing at least, and is provided with a well heater in the boiler; The described boiler outside is provided with a cylindrical shell, is connected with boiler with a drain manifold by a water inlet manifold; Have a high-level probe, a middle water level probe and a low-level probe, wherein at least one is arranged in the cylindrical shell, all the other two or one are arranged in the boiler, described probe is connected to described control module by signal line, and described control module is connected on well heater and the display unit by power lead.

The utility model is owing to take above design, it has the following advantages: the utility model utilizes three water level probes to detect four kinds of water position status such as full water water level, ordinary water level, moisturizing water level and lack of water water level in boiler, then these water level signals are passed to control module, control module drives display unit and produces various water level indicator lights prompting operators.This control module can keep the opening of well heater under ordinary water level and moisturizing water position status, with hot water in the heating boiler, and can start the water inlet switch automatic water supplement when the moisturizing water position status.Moreover control module also can start the sound wave attention device automatically and close well heater when full water water level and lack of water water level, so that enforceable notifying operation person should initiatively shut down the maintenance boiler, and then has promoted the security of using.

Description of drawings

Fig. 1 is the cut-away view of the utility model espresso coffee machine, illustrates in the Italian type coffee machine and is equiped with power switch, control module, sound wave attention device, display unit, steam switch, well heater, water inlet switch, drainage switch and three not isometric members such as water level probe in the boiler.

Fig. 2 is the cut-away view of the utility model espresso coffee machine when the ordinary water level state, but illustrate waterline flood contact in and demonstrate the state of regular supply brewed in hot water espresso coffee during low-level probe.

Fig. 3 is the cut-away view of the utility model espresso coffee machine when the full water water position status, illustrate waterline flood contact height, in and demonstrate the full water water position status during low three water level probes.

Fig. 4 is the cut-away view of the utility model espresso coffee machine when the moisturizing water position status, illustrate that waterline only floods to demonstrate the moisturizing water position status when contacting low-level probe, and water inlet switch begins moisturizing.

Fig. 5 is the cut-away view of the utility model espresso coffee machine when the lack of water water position status, illustrate waterline do not flood contact height, in and demonstrate the lack of water water position status during low three water level probes.

Fig. 6 is the cut-away view of another embodiment of the utility model, illustrates to use a cylindrical shell that is connected with boiler that three water level probes are set.

Fig. 7 is the utility model cut-away view of a embodiment again, illustrates that using a cylindrical shell that is connected with boiler to be provided with only lacks a water level probe.

Embodiment

As shown in Figure 1, disclose the cut-away view of the intelligent espresso coffee machine of the utility model, mainly be in the espresso coffee machine 3 or its casing is provided with the members such as steam switch 34 of a power switch 14, a control module 1, a sound wave attention device 16, a display unit 2 and boiler 31, be equiped with a well heater 15, a water inlet switch 32, a drainage switch 33 and three not isometric

water level probes

11,12,13 in this boiler 31.Wherein:

Power switch 14 is connected on the control module 1 by power lead, the electric power that supply start-up control unit 1 is required.Control module 1 can be bought from market, is the microprocessor of model 8052.

Control module 1 also is connected on well heater 15, sound wave attention device 16 and the display unit 2 by power lead, and has signal line separately on three

water level probes

11,12,13 and be connected on the control module 1.

Control module 1 has and receives that three

water level probes

11,12,13 transmit and the signal that arrives, so that unlatching or close well heater 15 or sound wave attention device 16.

Sound wave attention device 16 is implemented to can be a music IC circuit or hummer, accepts the startup or the closing control of control module 1, to send the caution sound in good time.

Display unit 2 is essentially the indicator that an embedding group has at least one or many pilot lamp, each pilot lamp is pilot lamp or the light emitting diode that general sustainable luminous demonstration or flicker demonstrate monochromatic or multiple color, discloses four kinds of water position status such as full water water level indicator light 21, ordinary water level pilot lamp 22, moisturizing water level indicator light 23, lack of water water level 24 (extremely shown in Figure 5 as Fig. 2) in order to separate.

Water inlet switch 32 can be a solenoid valve, connects control module 1 by power lead, and the control of accepting to drive valve or closing valve; In addition, on easy device, water inlet switch 32 also can be the ball valve of a hand.Water inlet switch 32 is connected with the extraneous supply channel or the pipeline of feed pump, opens valve supply water by automatic or manual and enters in the boiler 31 or close valve and stop to supply water.

Drainage switch 33 is good with the ball valve that uses hand on the implementation, because when in the boiler 31 during hypervolia (during full water), must rely on the reason (being detailed later) that the operator comes to inspect in person full waters in the boiler 31, overhauled or remove barriers after open the valve draining more in person.In addition, use solenoid valve as drainage switch 33 and be connected to control module 1 and carry out automatic or semi-automatic monitoring draining running, it also is design of the present utility model field, and can arrange in pairs or groups sound wave attention device 16 or and reset switch (Reset Switch) supervise, so that the mandatory requirement operator must inspect the reason of full water in the boiler 31, when avoiding because of water liquid overfill in the boiler and lasting heating, cause stove inner vapor chamber fill hot water can't normally use steam or hot water directly ejection cause danger, so still to inspect after the boiler 31 interior full water reasons automatically, semi-automatic or manually to open the valve draining be good.

Three not isometric water level probes are respectively a high-level probe 11, a middle water level probe 12 and another low-level probe 13, together are set in the boiler 31, and make its end seat be exposed to boiler 31 outsides, in order to connect signal line to control module 1.

In addition, the also configurable cylindrical shell 8 in boiler 31 outsides that the utility model is above-mentioned, as shown in Figure 6, utilize water inlet manifold 81 and another drain manifold 82 to be connected between boiler 31 and the cylindrical shell 8, boiler 31 interior water liquid also can be guided in the cylindrical shell 8, present and have identical liquid level phenomenon, and above-mentioned three not isometric

water level probes

11,12 and 13 together are arranged in this cylindrical shell 8, so as to the sensed water level state, this also is an application of the present utility model, and gives Chen Ming.Because of well heater 15 is to be installed in to add hot water liquid in the boiler 31, therefore the fluctuating flow that produces when water boil can't feed through to the water in the cylindrical shell 8 therebetween, can avoid the excessive phenomenon that causes incrustation on the probe of current fluctuation.

Also can have only the independent

water level probe

11,12 or 13 that is provided with in three water level probes (as shown in Figure 7 in the above-mentioned cylindrical shell 8, with middle water level probe 12 is example), therefore so long as utilize cylindrical shell 8 that at least one water level probe is set, embodiment in all the other two or one boilers that then are arranged at identical liquid level waterline 31 also is an application of the present utility model.

By above-mentioned member, go out the water-level control apparatus of the intelligent espresso coffee machine of the utility model with construction, and carry out following water level monitoring mode:

(1) ordinary water level state: when waterline 7 in boiler 31 or (reaching) cylindrical shell 8 floods (as shown in Figure 2) when contacting low-level probe 13 with middle water level probe 12 simultaneously, high-level probe 11 is not touched by water logging, probe can transmit an ordinary water level signal to control module 1, control module 1 is judged startup well heater 15 (sound wave attention device 16 is a closed condition at this moment), in order to the water in the heating boiler 31 to vapor pressure that sets or temperature, control module 1 starts display unit 2 announcements simultaneously and lights ordinary water level pilot lamp 22, the user just can push steam switch 34 this moment, is used for making the milk bubble of espresso coffee with acquisition stove inner vapor.In addition, the hot water in the boiler 31 also can be supplied in warm coffee cup or the use of infusing coffee by a hot-water switch.

(2) full water water position status: waterline 71 floods simultaneously and contacts low-level probe 13 in boiler 31 or (reaching) cylindrical shell 8; when middle water level probe 12 and high-level probe 13 (as shown in Figure 3); probe can transmit a full water water level signal to control module 1; well heater 15 is closed in control module 1 judgement; stop the water in the heating boiler 31 immediately; control module 1 also can start sound wave attention device 16 simultaneously and produce the prompting sound; control module 1 also starts display unit 2 announcements simultaneously and lights full water water level indicator light 21; unusual full water problem appears in order to the enforceable operator's of informing appliance arrangement; answer hard stop maintenance 4; inspection is that water inlet switch 32 leaks; or and be that card dirt or other failure cause appear in above-mentioned probe; after pending fault is repaired; but operator just opening water discharge switch 33 carries out draining; water liquid unnecessary in the boiler 13 is discharged, make device return to above-mentioned ordinary water level state.

(3) moisturizing water position status: when the waterline 72 in boiler 31 or (reaching) cylindrical shell 8 only floods (as shown in Figure 4) when contacting low-level probe 13, probe can transmit a moisturizing water level signal to control module 1, this moment, control module 1 still kept starting the normal heating state of well heater 15, sound wave attention device 16 is not activated, control module 1 can 2 announcements of startup display unit light moisturizing water level indicator light 23 simultaneously, disclose and inform that in order to clear water is existing short in operator's boiler 31, should carry out moisturizing 6, at this moment, control module 1 can be opened water inlet switch 32 (solenoid valve), or by the manually opened water inlet switch 32 of user (ball valve), to supply water in the boiler 31 to above-mentioned ordinary water level line states.

(4) lack of water water position status: waterline 73 breaks away from low-level probe 13 simultaneously in boiler 31 or (reaching) cylindrical shell 8; when middle water level probe 12 and high-level probe 11 (as shown in Figure 5); probe can transmit a lack of water water level signal to control module 1; control module 1 can judgement be closed well heater 15; stop the water in the heating boiler 31 immediately; control module 1 also can start sound wave attention device 16 simultaneously and produce the prompting sound; control module 1 starts display unit 2 announcements simultaneously and lights lack of water water level indicator light 24; unusual water shortage problem appears in order to the enforceable operator's of informing appliance arrangement; answer hard stop maintenance 41; whether check has or not drainage switch 33 to leak or other failure cause; after pending fault is repaired; the user just can open water inlet switch 32, and the water in the boiler 31 is added into above-mentioned ordinary water level state.

Claims

1, a kind of water-level control apparatus of espresso coffee machine is provided with a power switch, a control module and a display unit at least, and is provided with a well heater in the boiler in an espresso coffee machine or on its casing, it is characterized in that:

Be provided with a high-level probe, a middle water level probe and a low-level probe in order to detect the water level signal in the described boiler, and be connected to described control module by signal line, described control module is connected on well heater and the display unit by power lead.

2, the water-level control apparatus of espresso coffee machine according to claim 1 is characterized in that: described control module also connects a sound wave attention device.

3, the water-level control apparatus of espresso coffee machine according to claim 1 and 2 is characterized in that: described control module also connects the water inlet switch of being located on the boiler.

4, the water-level control apparatus of espresso coffee machine according to claim 3 is characterized in that: described water inlet switch is a solenoid valve.

5, a kind of water-level control apparatus of espresso coffee machine mainly is to be provided with a power switch, a control module and a display unit in an espresso coffee machine or on its casing at least, and is provided with a well heater in the boiler; It is characterized in that:

The described boiler outside is provided with a cylindrical shell, is connected with boiler with another drain manifold by a water inlet manifold;

Be provided with a high-level probe, a middle water level probe and a low-level probe in the described cylindrical shell, and be connected to described control module by signal line, described control module is connected on well heater and the display unit by power lead.

6, the water-level control apparatus of espresso coffee machine according to claim 5 is characterized in that: described control module also connects a sound wave attention device.

7, according to the water-level control apparatus of claim 5 or 6 described espresso coffee machines, it is characterized in that: described control module also connects the water inlet switch of being located on the boiler.

8, the water-level control apparatus of espresso coffee machine according to claim 7 is characterized in that: described water inlet switch is a solenoid valve.

9, a kind of water-level control apparatus of espresso coffee machine mainly is to be provided with a power switch, a control module and a display unit in an espresso coffee machine or on its casing at least, and is provided with a well heater in the boiler; It is characterized in that:

The described boiler outside is provided with a cylindrical shell, is connected with boiler with a drain manifold by a water inlet manifold;

Have a high-level probe, a middle water level probe and a low-level probe, wherein at least one is arranged in the cylindrical shell, all the other two or one are arranged in the boiler, described probe is connected to described control module by signal line, and described control module is connected on well heater and the display unit by power lead.

10, the water-level control apparatus of espresso coffee machine according to claim 9 is characterized in that: described control module also connects a sound wave attention device.

11, according to the water-level control apparatus of claim 9 or 10 described espresso coffee machines, it is characterized in that: described control module also connects the water inlet switch of being located on the boiler.

12, the water-level control apparatus of espresso coffee machine according to claim 11 is characterized in that: described water inlet switch is a solenoid valve.