CN211673797U - Blowing cleaning device of coffee machine - Google Patents
Blowing cleaning device of coffee machine Download PDFInfo
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- CN211673797U CN211673797U CN201921904770.3U CN201921904770U CN211673797U CN 211673797 U CN211673797 U CN 211673797U CN 201921904770 U CN201921904770 U CN 201921904770U CN 211673797 U CN211673797 U CN 211673797U
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Abstract
The blowing cleaning device of the coffee machine comprises the coffee machine and a PLC (programmable logic controller), a tee joint and an air pump are arranged in the coffee machine, the inlet end of the tee joint is respectively connected with the air pump and the water pump, the outlet end of the tee joint is respectively connected with water and an air inlet at the bottom of a quartz glass electric heating tube, a water storage cavity is arranged at the bottom of the quartz glass electric heating tube, water is arranged at a water inlet at the bottom of the water storage cavity, a cyclone rotating blocking piece is arranged at the water inlet, a stainless steel barrel is arranged inside the quartz glass electric heating tube, a thin water layer is formed between the electric heating tube and the stainless steel barrel, a buffer cavity is arranged at the upper end of the stainless steel barrel, a water filling port of a coffee brewing. By the combined action of the water storage cavity, the water, the cyclone rotating blocking piece and the thin water layer, the problem of water pollution caused by water stored in the coffee machine is solved, and the problem of frost cracking of the quartz glass electric heating tube is also solved.
Description
Technical Field
The utility model relates to an improved device of a coffee machine, in particular to a blowing cleaning device of the coffee machine.
Background
The existing coffee machine has a lot of water in heaters and pipelines in the machine after one-time operation, if the coffee machine is used again in a short time to be considered as normal, but the water remained in the coffee machine is rotten and polluted after the coffee machine is not used for a long time, coffee is made if the coffee machine is forgotten to be cleaned in advance when the coffee machine is used again, the health of a user is injured after drinking, in addition, the used coffee machine is transported and stored in a cold and cool area to enable the coffee machine to be placed in a cold and cool environment, a quartz glass electric heating pipe of the coffee machine to be frozen and broken, the reason for the defect is that water is stored in the quartz glass electric heating pipe, and the water in the pipe is frozen to expand and freeze to crack the. CN 201620567751.6 'an air blowing cleaning device of coffee machine' has been improved, a tee joint is arranged in the coffee machine, an air blowing pump is arranged at the water inlet of an electric heating pipe, the inlet end of the tee joint is respectively connected with the air blowing pump and a water pump, the outlet end of the tee joint is connected with an electric pipe, the air blowing pump blows air to a heater water path after a cup of coffee is made, and coffee liquid remained in a coffee capsule is blown out by air blowing. The method can remove about 3/4 water in the heating pipe, but can not completely remove the water, and the problem of preventing frost cracking is not completely solved. Current coffee makers have no effective solutions to both of these problems.
Disclosure of Invention
An object of the utility model is to provide a structural defect to current coffee machine with thin water layer heating + rotatory structure of blowing, both can prevent that quartz glass electric heating pipe from freezing and splitting, can prevent the technical scheme that the bacterium breeds the pollution again, it has with low costs, simple process, dependable and stable performance's characteristics.
The air blowing and cleaning device of the coffee machine comprises the coffee machine and a PLC (programmable logic controller), wherein a tee joint and an air pump are arranged in the coffee machine, the inlet end of the tee joint is respectively connected with the air pump and the water pump, the outlet end of the tee joint is respectively connected with a water inlet and an air inlet at the bottom of a quartz glass electric heating tube heater of the coffee machine, the air blowing and cleaning device is characterized in that a water storage cavity is arranged at the bottom of the quartz glass electric heating tube heater, a water and air rotating baffle plate is arranged at the water inlet at the bottom of the water storage cavity, a stainless steel barrel is arranged in the quartz glass electric heating tube heater, a thin water layer is formed between an electric heating tube and the stainless steel barrel, a buffer cavity is arranged at the upper end of the stainless steel barrel, a.
The water storage cavity at the bottom of the quartz glass electric heating tube heater is made of silica gel materials, is arranged below the quartz glass electric heating tube heater and is 15-20mm away from the lower edge of the quartz glass electric heating tube heater, and the bottom of the water storage cavity is hemispherical.
The water and air rotating separation blade is in a shape of a propeller which cannot rotate and is arranged above a water inlet at the bottom of the water storage cavity.
The outer diameter of the stainless steel barrel is 2-3mm smaller than the inner diameter of the quartz glass electric heating tube to form a thin water layer of 1-1.5mm, the bottom of the stainless steel barrel is conical, and a buffer cavity of 30-40mm is formed between the upper top of the stainless steel barrel and the water outlet.
Drawings
Fig. 1 is a schematic view of a blow cleaning apparatus for a coffee maker.
FIG. 2 is a sectional view of a water storage cavity of a blow washer of the coffee maker.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings.
A blowing cleaning device of a coffee machine comprises a three-way pipe joint 1, a water pump 2, an air pump 3, a quartz glass electric heating tube 4, a stainless steel barrel 12 arranged in the inner cavity of the quartz glass electric heating tube 4, a water storage cavity 14 arranged at the lower end of the quartz glass electric heating tube and a buffer cavity 17 arranged at the upper end of the quartz glass electric heating tube and the stainless steel barrel, wherein a water inlet of the water pump 2 is connected with a water tank or other water sources, a water outlet of the water pump 2 and an air outlet of the air pump 3 are connected on two connectors of the three-way joint 1, the other connector of the three-way joint 1 is connected with a lower water inlet and an air inlet 16 of a quartz glass electric heating tube heater 4, a silica gel water storage cavity 14 is arranged at the bottom of the quartz glass electric heating tube heater 4, the distance between the water storage cavity and the lower edge of, The coffee brewing machine comprises an air rotating blocking piece 15, an electric heating film 11 is arranged on the outer side of a quartz glass electric heating tube, the water outlet end of a quartz glass electric heating tube heater is directly connected with a water filling port 5 of a coffee brewing box, a coffee outlet 8 is arranged at the bottom of the coffee brewing box 7, and the input end of a PLC 9 is connected with a temperature detector 10 which is arranged in a buffer cavity 17 and used for detecting the temperature in the electric heating tube.
A stainless steel barrel 12 is arranged in a quartz glass electric heating tube 4, a thin water layer 13 with the thickness of 1-1.5mm is formed between the electric heating tube 4 and the stainless steel barrel 12, the bottom of the stainless steel barrel is conical, after coffee is made, an air pump 3 and an electric heating film 11 continue to work simultaneously, when air is blown into a heater, upward rotating water and air flow are formed under the action of a water and air rotating blocking piece, the conical bottom of the stainless steel barrel 12 plays an upward guiding role, the water is reduced by the adhesive force of two walls of the thin water layer 13 and falls down to form water vapor rapidly, the water vapor and a part of boiling water are blown out of a coffee capsule, the work is stopped until the water in the heating tube is nearly evaporated completely, and the situation that a water filling port is blocked by coffee powder in a reverse flow mode cannot occur due to the. Therefore, the water in the heater and the pipeline in the machine is cleaned after the coffee is made every time, the condition of bacterial reproduction is prevented, and the machine can be prevented from being frozen and damaged when meeting cold and cool temperatures.
The water storage cavity 14 at the bottom of the quartz glass electric heating tube heater also has the function that in the use process, due to the existence of variable factors such as working voltage, water temperature and the like, trace water can not be drained completely, and can not be in contact with the quartz glass tube when being stored in the water storage cavity and the pipeline, and the water storage cavity and the pipeline are made of silica gel materials, so that the frost crack phenomenon can not occur.
The water and gas rotating baffle plate 15 has the advantages that the steam explosion phenomenon generated by the thin water layer 13 in the heater 4 can be well weakened by the rotating water flow formed when the water flow impacts the rotating baffle plate 15 during coffee brewing, the thin water layer 13 can be 1-1.5mm, the heating speed is improved, upward rotating water and air flow are formed during air blowing cleaning, the water can be rapidly vaporized, and a buffer cavity 17 with the thickness of 30-40mm is reserved on the upper top of the stainless steel barrel to play a role in buffering the heating fluctuation of the water and the air.
The thin water layer 13 serves to increase the heating rate and reduce the preheating time in the brewing of coffee. When the air blowing cleaning is carried out, the water falling is reduced by the adhesive force of the two walls of the thin water layer, the temperature of the thin water layer is very close to the external electric heating film due to the fact that the thin water layer is very thin, upward rotating water and air flow enter the thin water layer to quickly form water vapor, and the falling water drops are quickly heated and gasified by the upward rotating water and the upward air flow entering the thin water layer again.
The PLC 9 arranged in the coffee machine is connected with a temperature detector 10, and the temperature detector 10 is connected with the upper end of the buffer cavity 17 and used for detecting the outlet temperature of the electric heating tube.
The PLC 9 can also start the water pump to clean the coffee machine firstly after continuously boiling coffee according to the requirement, then start the air pump 3 and the electric heating tube 4 to heat and blow simultaneously until the temperature of the electric heating tube rises and the water in the electric heating tube is nearly completely evaporated, the PLC turns off the power supply of the electric heating tube 4 firstly and then turns off the air pump after blowing for 1-2 minutes.
When the coffee machine finishes making coffee according to the normal program, the PLC controller continues to enable the air pump 3 and the electric heating tube 4 to work simultaneously, stops the water pump 2 from working, and enables the water vapor and a part of boiling water to be blown out of the coffee capsule 6 until the water in the electric heating tube 4 is nearly evaporated and clean, and stops working. Because the air blowing time is longer, the situation that the water filling port is blocked by the coffee powder in a reverse flow mode can not occur, so that the water in the heater and the pipeline in the machine can be cleaned up after coffee is made at every time, the water pollution situation can not occur, the machine can be prevented from being frozen and damaged by cold and cool temperatures, and meanwhile, the manufacturing cost is also reduced.
Claims (4)
1. The air blowing and cleaning device of the coffee machine comprises the coffee machine and a PLC (programmable logic controller), wherein a tee joint and an air pump are arranged in the coffee machine, the inlet end of the tee joint is respectively connected with the air pump and the water pump, the outlet end of the tee joint is respectively connected with a water inlet and an air inlet at the bottom of a quartz glass electric heating tube heater of the coffee machine, the air blowing and cleaning device is characterized in that a water storage cavity is arranged at the bottom of the quartz glass electric heating tube heater, a water and air rotating baffle plate is arranged at the water inlet at the bottom of the water storage cavity, a stainless steel barrel is arranged in the quartz glass electric heating tube heater, a thin water layer is formed between an electric heating tube and the stainless steel barrel, a buffer cavity is arranged at the upper end of the stainless steel barrel, a.
2. A blowing washing device of a coffee maker as claimed in claim 1, wherein the silica gel water storage cavity (14) at the bottom of the quartz glass electric heating tube heater is arranged below the quartz glass electric heater (4) and is 15-20mm away from the lower edge of the quartz glass electric heater, and the bottom of the water storage cavity (14) is hemispherical.
3. A blowing washing device for a coffee machine as in claim 1, characterized in that said water and air rotation baffle (15) is in the shape of a non-rotatable propeller and is arranged above the water inlet at the bottom of the water storage cavity (14).
4. A blowing washing device of coffee maker according to claim 1, wherein the outer diameter of the stainless steel barrel (12) is 2-3mm smaller than the inner diameter of the quartz glass electric heating tube, a thin water storing layer with an inner cavity of 1-1.5mm is formed, the bottom of the stainless steel barrel is tapered, and a buffer cavity (17) with a distance of 30-40mm is formed at the upper top of the stainless steel barrel from the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921904770.3U CN211673797U (en) | 2019-11-07 | 2019-11-07 | Blowing cleaning device of coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921904770.3U CN211673797U (en) | 2019-11-07 | 2019-11-07 | Blowing cleaning device of coffee machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211673797U true CN211673797U (en) | 2020-10-16 |
Family
ID=72786402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921904770.3U Active CN211673797U (en) | 2019-11-07 | 2019-11-07 | Blowing cleaning device of coffee machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211673797U (en) |
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2019
- 2019-11-07 CN CN201921904770.3U patent/CN211673797U/en active Active
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