CN214484256U - Sterilizing device of water dispenser - Google Patents
Sterilizing device of water dispenser Download PDFInfo
- Publication number
- CN214484256U CN214484256U CN202023124169.8U CN202023124169U CN214484256U CN 214484256 U CN214484256 U CN 214484256U CN 202023124169 U CN202023124169 U CN 202023124169U CN 214484256 U CN214484256 U CN 214484256U
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- water
- outlet
- electromagnetic valve
- pipe
- hot water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 333
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 33
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 29
- 239000008236 heating water Substances 0.000 claims abstract description 20
- 239000010865 sewage Substances 0.000 claims description 25
- 239000008213 purified water Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 235000013361 beverage Nutrition 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Devices For Dispensing Beverages (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
The utility model discloses a sterilization apparatus of water dispenser, include: the main water inlet pipe is provided with a first outlet and a second outlet, the first outlet is provided with a first electromagnetic valve, and the second outlet is provided with a second electromagnetic valve; the cold water pipe is provided with a cold water inlet and a cold water outlet, the cold water inlet is communicated with the first outlet, and the hot water pipe is provided with a hot water inlet and a hot water outlet; the heating water liner is provided with a water inlet and a water outlet, the water inlet is provided with a three-way joint, the water inlet is communicated with the cold water outlet and the second outlet through the three-way joint, and the water outlet is communicated with the hot water inlet; the warm water faucet is communicated with the hot water outlet and is provided with a third electromagnetic valve; the drain pipe is communicated with the cold water pipe and the outside and is provided with a fourth electromagnetic valve; and a controller. The utility model discloses a sterilization apparatus of water dispenser, the cold water in the cold water pipe is discharged to the external world from the drain pipe, utilizes hot water to carry out high temperature sterilization to hot-water line and warm tap. The utility model discloses can be applied to in the beverage preparation facilities.
Description
Technical Field
The utility model relates to a beverage preparation device field, in particular to a sterilization device of a water dispenser.
Background
The water dispenser heats the water and outputs the heated water for people to drink. At present, a water dispenser is provided with a heat exchanger, the heat exchanger cools boiled water to form warm water, and the warm water is output to a warm water outlet end through a warm water pipeline. Bacteria are easy to breed in the warm water pipeline under the moist and warm environment in the warm water pipeline. Therefore, if boiled water is fed into the warm water pipe, bacteria in the warm water pipe should be killed, but in this way, it becomes a difficult problem to avoid the warm water being cooled by the heat exchanger.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sterilization device of a water dispenser, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.
The technical scheme adopted for solving the technical problems is as follows:
a sterilization device of a water dispenser comprises:
the main water inlet pipe is provided with a first outlet and a second outlet, the first outlet is provided with a first electromagnetic valve, the first electromagnetic valve controls the on-off of the first outlet, the second outlet is provided with a second electromagnetic valve, and the second electromagnetic valve controls the on-off of the second outlet;
a heat exchanger having a cold water pipe in contact with the hot water pipe to generate heat exchange and a hot water pipe having a cold water inlet and a cold water outlet, the cold water inlet communicating with the first outlet, the hot water pipe having a hot water inlet and a hot water outlet;
the heating water liner is provided with a water inlet and a water outlet, the water inlet is provided with a three-way joint, the water inlet is communicated with the cold water outlet and the second outlet through the three-way joint, and the water outlet is communicated with the hot water inlet;
the warm water faucet is communicated with the hot water outlet, and is provided with a third electromagnetic valve which controls the on-off of the warm water faucet;
the drain pipe is communicated with the cold water pipe and the outside, and is provided with a fourth electromagnetic valve which controls the on-off of the drain pipe;
the controller is used for controlling the switch of the first electromagnetic valve, the switch of the second electromagnetic valve, the switch of the third electromagnetic valve and the switch of the fourth electromagnetic valve respectively.
The utility model has the advantages that: when the water dispenser normally emits warm water, the first electromagnetic valve is conducted to the first outlet, the second electromagnetic valve is disconnected to the second outlet, cold water flows into the cold water pipe of the heat exchanger from the main water inlet pipe, hot water heated by the heating water liner flows into the hot water pipe of the heat exchanger, the cold water in the cold water pipe is cooled to form warm water after heat exchange with the hot water in the hot water pipe, the third electromagnetic valve of the warm water faucet is conducted, the warm water is discharged from the warm water faucet, the cold water is heated and then enters the heating water liner to be heated, so that energy required by heating of the cold water is saved, and the hot water formed after heating flows into the hot water pipe of the heat exchanger from the heating water liner; when the water dispenser is sterilized, the controller controls the first electromagnetic valve to disconnect the first outlet, the second electromagnetic valve to connect the second outlet, the third electromagnetic valve to connect the warm water faucet and the fourth electromagnetic valve to connect the drain pipe, cold water flows into the heating water container from the main water inlet pipe, hot water flows into the hot water pipe of the heat exchanger after the heating water container is heated, cold water in the cold water pipe is discharged to the outside from the drain pipe, no cold water flows into the cold water pipe, hot water in the hot water pipe is kept at a high temperature, and the hot water flows to the warm water faucet from the hot water pipe and is discharged, so that the hot water pipe and the warm water faucet are sterilized at a high temperature by using the hot water.
As a further improvement of the technical scheme, the sterilization device of the water dispenser further comprises a sewage discharge groove, the sewage discharge groove is arranged below the warm water faucet, a sewage discharge pipe is arranged at the bottom of the sewage discharge groove, the bottom end of the sewage discharge pipe is communicated with the outside, and the drain pipe is communicated with the sewage discharge pipe.
Hot water forms sewage after carrying out high temperature sterilization to heat exchanger hot water pipe and warm tap, and sewage discharges the blowdown groove from warm tap in, discharges the external world from the blow off pipe afterwards, drain pipe and blow off pipe intercommunication, and the cold water of drain pipe also avoids additionally setting up the discharge passage from the blow off pipe intercommunication to save space.
As a further improvement of the technical scheme, the drain pipe is provided with a check valve, the check valve is arranged between the drain pipe and the fourth electromagnetic valve, and the check valve prevents liquid in the drain pipe from entering the drain pipe.
The drain pipe is provided with a check valve which prevents sewage in the drain pipe from flowing into the drain pipe, so that the sewage in the drain pipe is prevented from flowing into the drain pipe and then polluting the cold water pipe of the heat exchanger.
As a further improvement of the technical scheme, the height of the drain pipe is higher than the bottom end of the sewage discharge pipe.
The height of the drain pipe is higher than the bottom end of the drain pipe, so that cold water in the drain pipe is discharged to the outside through the drain pipe under the action of gravity, and the drain pipe does not need an external power source to drive the cold water to flow to the drain pipe.
As a further improvement of the technical scheme, the sterilization device of the water dispenser further comprises a water purifier, the water purifier is provided with a purified water inlet and a purified water outlet, the purified water inlet is communicated with the outside, the main water inlet pipe is provided with an inlet, and the inlet is communicated with the purified water outlet.
External cold water is purified by the water purifier and then enters the main pipeline, and the quality of water is improved.
As a further improvement of the above technical solution, a fifth electromagnetic valve is disposed at the cold water outlet, the fifth electromagnetic valve controls on/off of the cold water outlet, the fifth electromagnetic valve is electrically connected to the controller, and the controller controls on/off of the fifth electromagnetic valve.
The fifth electromagnetic valve is arranged at the cold water outlet of the cold water pipe of the heat exchanger, when the water dispenser is sterilized, the controller controls the first electromagnetic valve to disconnect the first outlet, the second electromagnetic valve to connect the second outlet, the third electromagnetic valve to connect the warm water faucet, the fourth electromagnetic valve to connect the drain pipe and the fifth electromagnetic valve to disconnect the cold water outlet, so that cold water in the cold water pipe is prevented from flowing into the heating water liner from the cold water outlet, no cold water flows into the cold water pipe, and the cold water is quickly discharged to the outside through the drain pipe.
As a further improvement of the technical scheme, the number of the warm water taps is multiple, the hot water outlet is provided with a multi-way joint, and all the warm water taps are communicated with the hot water outlet through the multi-way joints.
The hot water outlet of the heat exchanger is communicated with a plurality of warm water taps by utilizing the multi-way joint, so that all the warm water taps can be sterilized.
As a further improvement of the technical scheme, the sterilization device of the water dispenser further comprises a hot water faucet, the hot water faucet is communicated with the water outlet, a sixth electromagnetic valve is arranged on the hot water faucet, and the sixth electromagnetic valve controls the on-off of the hot water faucet.
The hot water faucet is communicated with a water outlet of the heating water container, the on-off state of the hot water faucet is controlled by the fourth electromagnetic valve, and the hot water faucet can emit hot water with higher temperature for users to use.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic structural diagram of an embodiment of a sterilization device of a water dispenser provided by the present invention, and an arrow indicates a water flow direction under a normal water supply condition;
fig. 2 is a schematic structural diagram of an embodiment of the sterilization device for a water dispenser provided by the present invention, and an arrow indicates a water flow direction in a sterilization state.
100. The water purifier comprises a main water inlet pipe, 101, an inlet, 110, a first outlet, 111, a first electromagnetic valve, 120, a second outlet, 121, a second electromagnetic valve, 200, a heat exchanger, 211, a cold water inlet, 212, a cold water outlet, 213, a fifth electromagnetic valve, 221, a hot water inlet, 222, a hot water outlet, 223, a multi-way joint, 300, a heating water container, 310, a water inlet, 311, a three-way joint, 320, a water outlet, 400, a warm water tap, 410, a third electromagnetic valve, 420, a hot water tap, 421, a sixth electromagnetic valve, 500, a water drain pipe, 510, a fourth electromagnetic valve, 520, a check valve, 600, a sewage discharge groove, 610, a sewage discharge pipe, 700, a water purifier, 710, a purified water inlet, 720 and a purified water outlet.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 2, the sterilization device of the water dispenser of the present invention makes the following embodiments:
the sterilizing device of the water dispenser comprises a main water inlet pipe 100, a heat exchanger 200, a heating water liner 300, a warm water tap 400, a drain pipe 500 and a controller. The main water inlet pipe 100 has a first outlet 110 and a second outlet 120, the first outlet 110 is provided with a first electromagnetic valve 111, and the first electromagnetic valve 111 controls the on-off of the first outlet 110. The second outlet 120 is provided with a second electromagnetic valve 121, and the second electromagnetic valve 121 controls the on-off of the second outlet 120. The heat exchanger 200 has a cold water pipe and a hot water pipe which are in contact with each other inside the heat exchanger 200 to generate heat exchange, the cold water pipe has a cold water inlet 211 and a cold water outlet 212, and the cold water inlet 211 of the cold water pipe is communicated with the first outlet 110. The hot water pipe has a hot water inlet 221 and a hot water outlet 222. The heating water container 300 has a water inlet 310 and a water outlet 320, the water inlet 310 is provided with a three-way joint 311, and the water inlet 310 is communicated with the second outlet 120 and the cold water outlet 212 through the three-way joint 311. The water outlet 320 of the heating water bladder 300 is communicated with the hot water inlet 221 of the hot water pipe in the heat exchanger 200. The warm water tap 400 is communicated with the hot water outlet 222 of the hot water pipe in the heat exchanger 200, the warm water tap 400 is provided with a third electromagnetic valve 410, and the third electromagnetic valve 410 controls the on-off of the warm water tap 400. One end of the drain pipe 500 is communicated with a cold water pipe in the heat exchanger 200, the other end of the drain pipe 500 is communicated with the outside, the drain pipe 500 is provided with a fourth electromagnetic valve 510, and the fourth electromagnetic valve 510 controls the on-off of the drain pipe 500. The first solenoid valve 111, the second solenoid valve 121, the third solenoid valve 410 and the fourth solenoid valve 510 are all electrically connected to the controller, and the controller controls the on and off of the first solenoid valve 111, the second solenoid valve 121, the third solenoid valve 410 and the fourth solenoid valve 510 respectively. When the water dispenser is sterilized, the controller controls the first electromagnetic valve 111 to disconnect the first outlet 110, the second electromagnetic valve 121 to connect the second outlet 120, the third electromagnetic valve 410 to connect the hot water tap 400 and the fourth electromagnetic valve 510 to connect the drain pipe 500, cold water flows into the heating water liner 300 from the main water inlet pipe 100, the hot water flows into the hot water pipe of the heat exchanger 200 after the heating water liner 300 is heated, the cold water in the cold water pipe is discharged to the outside from the drain pipe 500, no cold water flows into the cold water pipe, hot water in the hot water pipe is kept at a high temperature, the hot water flows from the hot water pipe to the hot water tap 400 and is discharged out from the hot water pipe and the hot water tap 400, and therefore the hot water is used for carrying out high-temperature sterilization on the hot water pipe and the hot water tap 400.
A sewage discharge groove 600 is formed below the hot water tap 400, and a notch of the sewage discharge groove 600 faces upward. When the drinking machine is sterilized, the drainage tank 600 is used for receiving hot water drained after the hot water faucet 400 is sterilized at a high temperature. The bottom of the sewage discharge groove 600 is communicated with a sewage discharge pipe 610, the bottom end of the sewage discharge pipe 610 is communicated with the outside, and the sewage discharge pipe 610 discharges hot water after high-temperature sterilization to the outside. The drain pipe 500 is communicated with the drain pipe 610, and when the water dispenser is sterilized, the controller controls the fourth solenoid valve 510 to be opened, so that the drain pipe 500 is conducted, cold water in the cold water pipe in the heat exchanger 200 is discharged from the drain pipe 500 to the drain pipe 610, and finally, the cold water is discharged to the outside along the drain pipe 610. In some embodiments, the drain pipe 500 is positioned at a higher height than the bottom end of the drain pipe 610, so that the cold water flows toward the drain pipe 610 as soon as possible after entering the drain pipe 500 and is discharged to the outside.
A check valve 520 is disposed in the drain pipe 500, and the check valve 520 is disposed between the drain pipe 610 and the fourth solenoid valve 510. The inlet passage of the check valve 520 is directed toward the fourth solenoid valve 510, and the outlet passage of the check valve 520 is directed toward the soil pipe 610 such that the check valve 520 prevents the water in the soil pipe 610 from flowing into the drain pipe 500, and the check valve 520 allows the cold water in the drain pipe 500 to flow therethrough and be discharged into the soil pipe 610.
The cold water outlet 212 of the heat exchanger 200 is provided with a fifth electromagnetic valve 213, and the fifth electromagnetic valve 213 controls the on-off of the cold water outlet 212. The fifth solenoid valve 213 is electrically connected to the controller, and the controller controls the on/off of the fifth solenoid valve 213. When the water dispenser is sterilized, the controller controls the fifth electromagnetic valve 213 to open the cold water outlet 212, and prevents cold water in the cold water pipe of the heat exchanger 200 from entering the heating water tank 300 along the cold water outlet 212, so that the cold water in the cold water pipe is discharged to the outside along the water discharge pipe 500 as soon as possible.
In some embodiments, the sterilization apparatus of the water dispenser further includes a water purifier 700, the water purifier 700 has a purified water inlet 710 and a purified water outlet 720, and the purified water inlet 710 is communicated with the outside. The main water inlet pipe 100 has an inlet 101, and the purified water outlet 720 communicates with the inlet 101, so that external cold water is purified by the water purifier 700 and then enters the main water inlet pipe 100. There are various kinds of the water purifier 700, for example, the water purifier 700 is a cartridge filter; alternatively, water purifier 700 is an ultraviolet sterilizer.
In some embodiments, there are a plurality of the warm water taps 400, the hot water outlet 222 of the heat exchanger 200 is provided with a multi-way joint 223, and all the warm water taps 400 communicate with the hot water outlet 222 through the multi-way joint 223. When the water dispenser is sterilized, the hot water heated by the heating water liner 300 flows through the hot water pipe of the heat exchanger 200, the multi-way joint 223 and the warm water tap 400, so that all the hot water performs high-temperature sterilization on all the warm water taps 400.
In some embodiments, the sterilization device of the water dispenser further includes a hot water tap 420, the hot water tap 420 is communicated with the water outlet 320 of the heating water liner 300, a three-way joint is arranged on the water outlet 320, and the water outlet 320 is communicated with the hot water tap 420 and the hot water inlet 221 of the heat exchanger 200 through the three-way joint. The hot water tap 420 is provided with a sixth electromagnetic valve 421, and the sixth electromagnetic valve 421 controls the on-off of the hot water tap 420. Since the hot water tap 420 is directly communicated with the heating water tank 300, the hot water flows out of the hot water tap 420 to sterilize the pipe at a high temperature.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (8)
1. A sterilization device of a water dispenser is characterized in that: the method comprises the following steps:
the main water inlet pipe (100) is provided with a first outlet (110) and a second outlet (120), the first outlet (110) is provided with a first electromagnetic valve (111), the first electromagnetic valve (111) controls the on-off of the first outlet (110), the second outlet (120) is provided with a second electromagnetic valve (121), and the second electromagnetic valve (121) controls the on-off of the second outlet (120);
a heat exchanger (200) having a cold water pipe in contact with a hot water pipe to generate heat exchange, the cold water pipe having a cold water inlet (211) and a cold water outlet (212), the cold water inlet (211) communicating with the first outlet (110), the hot water pipe having a hot water inlet (221) and a hot water outlet (222);
the heating water container (300) is provided with a water inlet (310) and a water outlet (320), the water inlet (310) is provided with a three-way joint (311), the water inlet (310) is communicated with the cold water outlet (212) and the second outlet (120) through the three-way joint (311), and the water outlet (320) is communicated with the hot water inlet (221);
the warm water faucet (400) is communicated with the hot water outlet (222), a third electromagnetic valve (410) is arranged on the warm water faucet (400), and the third electromagnetic valve (410) controls the on-off of the warm water faucet (400);
the water discharge pipe (500) is communicated with the cold water pipe and the outside, the water discharge pipe (500) is provided with a fourth electromagnetic valve (510), and the fourth electromagnetic valve (510) controls the on-off of the water discharge pipe (500);
the first electromagnetic valve (111), the second electromagnetic valve (121), the third electromagnetic valve (410) and the fourth electromagnetic valve (510) are electrically connected to the controller, and the controller respectively controls the switch of the first electromagnetic valve (111), the switch of the second electromagnetic valve (121), the switch of the third electromagnetic valve (410) and the switch of the fourth electromagnetic valve (510).
2. The sterilization device of the water dispenser according to claim 1, characterized in that: the sterilization device of the water dispenser further comprises a sewage discharge groove (600), the sewage discharge groove (600) is arranged below the warm water faucet (400), a sewage discharge pipe (610) is arranged at the bottom of the sewage discharge groove (600), the bottom end of the sewage discharge pipe (610) is communicated with the outside, and the drain pipe (500) is communicated with the sewage discharge pipe (610).
3. The sterilization device of the water dispenser according to claim 2, characterized in that: the drain pipe (500) is provided with a check valve (520), the check valve (520) is arranged between the drain pipe (610) and the fourth electromagnetic valve (510), and the check valve (520) prevents the liquid of the drain pipe (610) from entering the drain pipe (500).
4. The sterilization device of the water dispenser according to claim 2, characterized in that: the height of the drain pipe (500) is higher than the bottom end of the drain pipe (610).
5. The sterilization device of the water dispenser according to claim 1, characterized in that: the sterilizing device of the water dispenser further comprises a water purifier (700), the water purifier (700) is provided with a purified water inlet (710) and a purified water outlet (720), the purified water inlet (710) is communicated with the outside, the main water inlet pipe (100) is provided with an inlet (101), and the inlet (101) is communicated with the purified water outlet (720).
6. The sterilization device of the water dispenser according to claim 1, characterized in that: the cold water outlet (212) is provided with a fifth electromagnetic valve (213), the fifth electromagnetic valve (213) controls the on-off of the cold water outlet (212), the fifth electromagnetic valve (213) is electrically connected with the controller, and the controller controls the on-off of the fifth electromagnetic valve (213).
7. The sterilization device of the water dispenser according to claim 1, characterized in that: the number of the warm water taps (400) is multiple, the hot water outlet (222) is provided with a multi-way joint (223), and all the warm water taps (400) are communicated with the hot water outlet (222) through the multi-way joint (223).
8. The sterilization device of the water dispenser according to claim 1, characterized in that: the sterilization device of the water dispenser further comprises a hot water faucet (420), the hot water faucet (420) is communicated with the water outlet (320), a sixth electromagnetic valve (421) is arranged on the hot water faucet (420), and the sixth electromagnetic valve (421) controls the on-off of the hot water faucet (420).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023124169.8U CN214484256U (en) | 2020-12-22 | 2020-12-22 | Sterilizing device of water dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023124169.8U CN214484256U (en) | 2020-12-22 | 2020-12-22 | Sterilizing device of water dispenser |
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| Publication Number | Publication Date |
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| CN214484256U true CN214484256U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023124169.8U Active CN214484256U (en) | 2020-12-22 | 2020-12-22 | Sterilizing device of water dispenser |
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| CN (1) | CN214484256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115813207A (en) * | 2022-09-08 | 2023-03-21 | 安徽小鸣智能科技发展有限公司 | Water drinking equipment with scale cleaning function and cleaning method thereof |
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2020
- 2020-12-22 CN CN202023124169.8U patent/CN214484256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115813207A (en) * | 2022-09-08 | 2023-03-21 | 安徽小鸣智能科技发展有限公司 | Water drinking equipment with scale cleaning function and cleaning method thereof |
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Denomination of utility model: Sterilization device of water dispenser Effective date of registration: 20230301 Granted publication date: 20211026 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Lecong branch Pledgor: GUANGDONG YUSHENG ENERGY SAVING AND ENVIRONMENTAL PROTECTION EQUIPMENT CO.,LTD. Registration number: Y2023980033809 |