CN106419585B - Direct water dispenser and pressure relief method of hot tank of direct water dispenser - Google Patents
Direct water dispenser and pressure relief method of hot tank of direct water dispenser Download PDFInfo
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- CN106419585B CN106419585B CN201610936191.1A CN201610936191A CN106419585B CN 106419585 B CN106419585 B CN 106419585B CN 201610936191 A CN201610936191 A CN 201610936191A CN 106419585 B CN106419585 B CN 106419585B
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- pipeline
- pressure relief
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 196
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000035622 drinking Effects 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 230000001276 controlling effect Effects 0.000 claims description 11
- 238000004321 preservation Methods 0.000 claims description 6
- 239000008399 tap water Substances 0.000 claims description 6
- 235000020679 tap water Nutrition 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims 4
- 230000009172 bursting Effects 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000006837 decompression Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/58—Safety devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
Abstract
The invention relates to a direct water dispenser and a pressure relief method of a hot tank of the direct water dispenser, and relates to the technical field of water dispensers. The technical scheme mainly adopted is as follows: a direct drinking machine comprises a hot tank, a water inlet pipeline, a water outlet pipeline, a pressure relief pipeline and a control system. Wherein, the water inlet pipeline is communicated with the hot tank, and the water inlet pipeline is provided with a water inlet valve; the water outlet pipeline is communicated with the hot tank; one end of the pressure relief pipeline is communicated with the hot tank, and the other end of the pressure relief pipeline is communicated with the atmosphere; the pressure relief pipeline is provided with a first pressure relief valve; the control system is connected with the first pressure release valve and is used for controlling the opening or closing of the first pressure release valve according to the heating state of the hot tank and the water temperature in the hot tank so as to enable the hot tank not to bear pressure or maintain the pressure in the hot tank at a low pressure level. A pressure relief method for a hot tank of a direct water dispenser is used for relieving pressure of the hot tank in the direct water dispenser. The invention is mainly used for enabling the hot tank of the direct water dispenser to be always in a low-pressure environment so as to prolong the service lives of the hot tank and the direct water dispenser.
Description
Technical Field
The invention relates to the technical field of water dispensers, in particular to a direct water dispenser and a pressure relief method of a hot tank of the direct water dispenser.
Background
The large-flow direct drinking machine adopts a hot tank with larger volume as water storage equipment, and the disposable hot water quantity is larger, so that the direct drinking machine is popular in places such as schools, stations and the like with larger crowd density. However, the hot tank assembly of the direct drinking machine has great potential safety hazards (such as shortening the service life of the hot tank assembly, expanding the hot tank, bursting a waterway and the like) because the hot tank assembly needs to bear high pressure generated by the thermal expansion of liquid in the hot tank assembly.
In order to eliminate the above-mentioned potential safety hazards, the prior art has improved direct drinking water dispensers. One of the improvements is to reduce the maximum pressure borne by the hot tank by providing a drain (capillary tube in communication with the outlet tube) in communication with the electric boiler. Specifically, when the liquid in the electric boiler expands to a certain pressure, the pressure can press the surplus liquid out of the capillary tube. Another improvement is to reduce the pressure in the hot tank by providing a pressure relief valve assembly. The pressure release valve can adjust the pressure release threshold value, and when the pressure in the hot tank reaches a certain degree, liquid can flow out of the pressure release valve to reduce the pressure in the tank body.
However, the above-mentioned improvement technique has at least the following technical problems:
(1) The liquid leakage device in the first improved technology can only reduce the maximum pressure born by the hot tank and cannot completely prevent the heat tank from bearing pressure.
(2) The pressure relief valve in the second improvement technology is limited by the threshold value of the pressure relief valve, the pressure in the hot tank still exists, and the threshold value is adjustable and unstable.
Therefore, the prior art means can only properly reduce the pressure born by the hot tank, can not bear the pressure of the heat insulation tank, and the hot tank also needs to bear higher pressure, so that the service lives of the hot tank and other parts of the direct water dispenser are shorter.
Disclosure of Invention
In view of this, the present invention provides a direct drinking machine and a pressure relief method for a hot tank of the direct drinking machine. The main purpose is to make the hot tank of the direct drinking machine always in a low pressure environment so as to prolong the service life of the hot tank and the direct drinking machine.
In order to achieve the above purpose, the present invention mainly provides the following technical solutions:
in one aspect, embodiments of the present invention provide a direct water dispenser including:
a hot pot;
the water inlet pipeline is communicated with the hot tank, and a water inlet valve is arranged on the water inlet pipeline;
the water outlet pipeline is communicated with the hot tank;
one end of the pressure relief pipeline is communicated with the hot tank, and the other end of the pressure relief pipeline is communicated with the atmosphere; the pressure relief pipeline is provided with a first pressure relief valve;
and the control system is connected with the first pressure relief valve and is used for controlling the first pressure relief valve to be opened or closed according to the heating state of the hot tank and the water temperature in the hot tank so as to ensure that the hot tank is not subjected to pressure or the pressure in the hot tank is maintained at a low pressure level.
The aim and the technical problems of the invention can be further realized by adopting the following technical measures.
Further, when the hot tank is heated and the water temperature in the hot tank does not reach the water outlet temperature, the water inlet valve is in a closed state, and the control system controls the first pressure release valve to be opened so that the hot tank is communicated with the atmosphere.
Further, when the hot tank is heated and the water temperature in the hot tank reaches the water outlet temperature, the water inlet valve is in an open state, and the control system controls the first pressure release valve to be opened periodically so as to release pressure periodically on the hot tank.
Further, the control system controls the first pressure release valve to release pressure to the hot tank once every 1-3 minutes, and the duration of each pressure release is 2-10 seconds.
Further, when the heating tank stops heating and is in a heat preservation state, the water inlet valve is in an open state, and the control system controls the first pressure release valve to be closed.
Further, the control system is also connected with the water inlet valve and used for controlling the water inlet valve to be opened or closed.
Further, the control system is also connected with a heating device on the hot tank and used for controlling the heating device to heat the hot tank.
Further, the first pressure relief valve and the water inlet valve are electromagnetic valves.
Further, the pressure relief pipeline is connected with the top of the hot tank; or one end of the pressure relief pipeline is communicated with the hot tank through the water outlet pipeline.
Further, the water outlet pipeline comprises a boiled water outlet pipeline and a warm water outlet pipeline; one end of the pressure relief pipeline is communicated with the hot tank through the warm water outlet pipeline.
Further, the direct water dispenser further comprises a heat exchanger; the boiled water outlet pipeline comprises a first branch and a second branch; wherein the first branch is communicated with the warm water outlet pipeline after passing through the heat exchanger; the second branch is communicated with the warm water outlet pipeline, and a temperature regulating valve is arranged on the second branch.
Further, the water inlet pipeline passes through the heat exchanger so that cold water in the water inlet pipeline exchanges heat with boiled water in the first branch pipeline.
Further, the direct water dispenser further comprises a second pressure relief valve, and the second pressure relief valve is communicated with the top of the hot tank through a pipeline.
Further, the direct water dispenser also comprises a drainage pipeline, and the drainage pipeline is connected with one end of the pressure relief pipeline, which is communicated with the atmosphere; when the direct water dispenser comprises a second pressure relief valve, the second pressure relief valve is communicated with the drainage pipeline through a pipeline.
On the other hand, the embodiment of the invention provides a pressure relief method for a hot tank of a direct water dispenser, which is used for relieving pressure of the hot tank on any one of the direct water dispensers, and mainly comprises the following steps: the control system controls the first pressure release valve to be opened or closed according to the heating state of the hot tank and the water temperature in the hot tank so as to enable the hot tank not to bear pressure or maintain the pressure in the hot tank at a low pressure level.
Compared with the prior art, the direct water dispenser and the pressure relief method of the hot tank of the direct water dispenser have at least the following beneficial effects:
according to the direct water dispenser provided by the embodiment of the invention, the pressure release pipeline is arranged, the first pressure release valve is controlled by the control system to open or close the pressure release pipeline, and the pressure release of the hot tank is actively controlled, so that the hot tank is not subjected to pressure or is subjected to lower pressure in the working process, the service life of the direct water dispenser and the hot tank on the direct water dispenser is prolonged, and potential safety hazards such as hot tank bursting and pipeline bursting caused by the fact that the hot tank is subjected to higher pressure are eliminated. Compared with the decompression means in the prior art, the direct drinking machine provided by the embodiment actively decompresses the hot tank, the decompression is more thorough, and the direct drinking machine is not influenced by tap water pressure, the volume of the hot tank and heating temperature, so that the hot tank is not subjected to pressure or the pressure in the hot tank is maintained at a low pressure level.
Further, the control system of the direct water dispenser provided by the embodiment of the invention respectively controls the first pressure release valve according to three situations of heating the hot tank, that is, that the water temperature in the hot tank does not reach the water outlet temperature, that the water temperature in the hot tank reaches the water outlet temperature when the hot tank is heated, that the hot tank is stopped from heating and that the hot tank is in a heat preservation state, so that the hot tank is not subjected to pressure or is subjected to lower pressure, and the service lives of the hot tank and the direct water dispenser are prolonged.
Furthermore, the pressure relief pipeline of the direct drinking machine provided by the embodiment of the invention is communicated with the hot tank through the warm water outlet pipeline, and through the arrangement, the water temperature of the water discharged by the pressure relief pipeline is lower, so that the pipeline is protected, and the service life of the pipeline is prolonged.
Furthermore, the pressure relief pipeline of the direct drinking machine provided by the embodiment of the invention is directly connected with the top of the hot tank, so that the pressure relief pipeline is closer to the hot tank and the drainage pipeline, and the pressure relief is quicker.
Further, the direct drinking machine provided by the embodiment of the invention further comprises a second pressure relief valve, wherein the second pressure relief valve is a passive pressure relief valve, when the first pressure relief valve is damaged and is not repaired or replaced, when the water pressure in the hot tank reaches a certain degree, the water expanding in the hot tank can be discharged from the second pressure relief valve, so that the hot tank is ensured not to bear higher pressure, and the safety of the direct drinking machine is improved.
On the other hand, the pressure release method of the hot tank of the direct water dispenser provided by the embodiment of the invention is mainly used for releasing pressure of the hot tank of the direct water dispenser, and the beneficial effects of the direct water dispenser are referred to and are not described in detail herein.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic view of a direct drinking machine according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another direct drinking machine according to an embodiment of the present invention.
Detailed Description
In order to further describe the technical means and effects adopted for achieving the preset aim of the invention, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the invention with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
Example 1
The present embodiment provides a direct drinking machine, as shown in fig. 1 and 2, the direct drinking machine of the present embodiment includes: a hot tank 1, an inlet line 2, an outlet line 3, a pressure relief line 4 and a control system (not shown). Wherein, the water inlet pipeline 2 is communicated with the hot tank 1, and the water inlet valve 22 is arranged on the water inlet pipeline 2. Preferably, the water inlet line 2 is connected to the hot tank 1 at a position near the bottom. The water outlet pipeline 3 is communicated with the hot tank 1; preferably, the water outlet line 3 is connected to the top of the hot tank 1. One end of the pressure relief pipeline 4 is communicated with the hot tank 1, and the other end of the pressure relief pipeline is communicated with the atmosphere; and the pressure release pipeline 4 is provided with a first pressure release valve 41. The control system is connected to the first pressure relief valve 41 for controlling the opening or closing of the first pressure relief valve 41 according to the heating state of the heat tank 1 and the water temperature in the heat tank 1 so that the heat tank 1 is not subjected to pressure or the pressure in the heat tank 1 is maintained at a low pressure level. Wherein the low pressure level is the level of tap water pressure.
The direct drinking machine provided by the embodiment actively controls the pressure relief of the hot tank 1 by arranging the pressure relief pipeline 4 and controlling the first pressure relief valve 41 to open or close the pressure relief pipeline through the control system, so that the hot tank 1 does not bear pressure or bears lower pressure in the working process, thereby prolonging the service life of the direct drinking machine and the hot tank 1 on the direct drinking machine, and eliminating the potential safety hazards of hot tank bursting, pipeline bursting and the like caused by bearing larger pressure of the hot tank 1. Compared with the decompression means in the prior art, the direct drinking machine provided by the embodiment actively decompresses the hot tank, the decompression is more thorough, and the direct drinking machine is not influenced by tap water pressure, the volume of the hot tank and heating temperature, so that the hot tank 1 can not bear pressure or maintain the pressure in the hot tank 1 at a low pressure level.
Preferably, solenoid valves are used for the inlet valve 22 and the first relief valve 41 in the present embodiment and the embodiments described below.
Example 2
Preferably, compared with the previous embodiment, as shown in fig. 1 and 2, the control system of the direct drinking machine in this embodiment controls the opening or closing of the first pressure release valve 41 as follows, so as to achieve that the hot tank 1 is not subjected to pressure or the pressure in the hot tank 1 is maintained at a low pressure level.
First, when the hot tank 1 is heated and the water temperature in the hot tank 1 does not reach the water outlet temperature (i.e., a state in which the hot tank does not feed water and the user is not authorized to take water):
at this time, the water inlet valve 22 on the water inlet pipeline 2 is in a closed state, and the control system controls the first pressure release valve 41 to be opened, so that the hot tank 1 is communicated with the atmosphere through the pressure release pipeline 4, and active pressure release of the hot tank 1 is realized. Since the thermal tank 1 is in communication with the atmosphere, the expansion moisture generated when the water in the thermal tank 1 is heated is continuously discharged through the pressure relief pipeline 4, and at this time, the thermal tank 1 is not subjected to pressure.
Second, when the hot tank 1 heats up and the water temperature in the hot tank 1 reaches the water outlet temperature (the state where the hot tank is water-in, allowing the user to take water):
at this time, the water inlet valve 22 on the water inlet pipe is in an opened state, and the control system controls the first pressure release valve 41 to be periodically opened to periodically release pressure from the hot tank 1. Preferably, the control system controls the first pressure release valve 41 to release pressure to the hot tank 1 once every 1-3 minutes, and the duration of each pressure release is 2-10 seconds. Preferably, the pressure in the hot tank 1 is maintained at a low pressure level by venting the hot tank 1 for 5 seconds each time for a period of two minutes.
Third, when the heating of the hot tank 1 is stopped and in a heat-retaining state (a device waiting for a user to take water):
at this time, the water inlet valve 22 on the water inlet pipeline 2 is in an open state, and the control system controls the first pressure relief valve 41 to be closed. This process is a process of waiting for the user to take water, and since the hot tank 1 is not heated, the highest pressure in the hot tank 1 can be maintained at the level of the tap water pressure, in which case the hot tank can be considered to be in a low pressure environment.
The control system of the direct drinking machine provided by the embodiment respectively controls the first pressure release valve 41 according to three situations that the hot tank 1 heats, the water temperature in the hot tank 1 does not reach the water outlet temperature, the hot tank 1 heats, the water temperature in the hot tank 1 reaches the water outlet temperature, the hot tank 1 stops heating and is in a heat preservation state, so that the hot tank 1 does not bear pressure or bears lower pressure, and the service lives of the hot tank 1 and the direct drinking machine are prolonged.
Example 3
Preferably, compared with the above embodiments, as shown in fig. 1 and 2, the control system of the present embodiment is further connected to the water inlet valve 22 for controlling the water inlet valve 22 to open or close the water inlet pipeline 2. Preferably, the control system is also connected to a heating device on the heat tank 1 for controlling the heating device to heat the heat tank 1. Preferably, the control system is also connected to the temperature detection means of the hot tank 1.
With the above arrangement, the control system can detect the heating state of the hot tank 1 and the change in the water temperature well, and thus control the first relief valve 41 more promptly.
Example 4
Preferably, this embodiment provides a direct drinking machine, compares with above-mentioned embodiment, and direct drinking machine in this embodiment mainly adopts following two kinds of schemes to realize the intercommunication of pressure release pipeline and hot jar:
the first scheme is as follows: as shown in fig. 1, the pressure relief pipeline 4 is communicated with the hot tank 1 through a water outlet pipeline 3. The second scheme is as follows: as shown in fig. 2, the pressure relief line 4 communicates directly with the top of the hot tank 1.
The pressure relief pipeline and the hot tank can be decompressed by the two schemes for realizing the communication between the pressure relief pipeline and the hot tank. Compared with the communication scheme in fig. 1, the pressure relief pipeline 4 in fig. 2 is closer to the hot tank 1 and the drainage pipeline 5, and the pressure relief is quicker.
Example 5
Preferably, compared with the above embodiments, as shown in fig. 1 and 2, the water outlet pipeline 3 of the direct drinking machine of the present embodiment includes a boiled water outlet pipeline and a warm water outlet pipeline 31. Preferably, a mechanical tap 311 is also provided at the free end of the warm water outlet line.
Preferably, as shown in fig. 1, the pressure relief pipeline 4 is communicated with the hot tank 1 through a warm water outlet pipeline 31. Through the arrangement, the water temperature of the water discharged by the pressure relief pipeline 4 is lower, so that the pipeline is protected, and the service life of the pipeline is prolonged.
Preferably, as shown in fig. 1 and 2, the direct drinking machine in the present embodiment further comprises a heat exchanger 6; the boiled water outlet pipeline comprises a first branch and a second branch; the first branch is communicated with a warm water outlet pipeline 31 after passing through the heat exchanger 6; the second branch is communicated with a warm water outlet pipeline 31, and a temperature regulating valve 30 is arranged on the second branch. The temperature of the outlet water in the warm water outlet pipeline 31 can be controlled by the temperature regulating valve 30.
Preferably, the water inlet pipe 2 passes through the heat exchanger 6 so that the cold water in the water inlet pipe 2 exchanges heat with the boiled water in the first branch. By such arrangement, energy can be saved, thereby saving cost.
Preferably, the water inlet pipe 2 is also provided with a water inlet ball valve 20 and a filtering system 21.
Preferably, the water inlet pipe 2 is further provided with a safety valve 23 at a position close to the water inlet end of the hot tank 1.
Example 6
Preferably, compared with the above embodiments, as shown in fig. 1 and 2, the present embodiment of the present invention further includes a second pressure release valve 7. The second pressure release valve 7 is communicated with the top of the hot tank 1 through a pipeline.
The second relief valve 7 in this embodiment is a passive relief valve, which only when the water pressure in the heat tank 1 reaches a certain level, the water expanding in the heat tank 1 is discharged from the second relief valve 7. When the first pressure release valve 41 is broken and is not repaired or replaced, the second pressure release valve 7 can ensure that the hot tank 1 does not bear higher pressure, so that the safety of the direct water dispenser is improved.
Example 7
Preferably, compared with the above embodiments, as shown in fig. 1 and fig. 2, the present embodiment provides a direct drinking machine, which further includes a drainage pipeline 5; wherein, the drainage pipeline 5 is communicated with one end of the pressure relief pipeline 4 which is communicated with the atmosphere.
When the direct water dispenser comprises the second pressure relief valve 7 and the safety valve 23, the second pressure relief valve 7 and the safety valve 23 are respectively communicated with the drainage pipeline 5 through pipelines.
Example 8
The embodiment provides a pressure relief method for a hot tank of a direct drinking machine, which is mainly used for relieving pressure of the hot tank on the direct drinking machine mentioned in the above embodiment, specifically, as shown in fig. 1 and 2, the pressure relief method for the hot tank of the direct drinking machine mainly comprises the following steps:
the control system controls the first relief valve 41 to be opened or closed according to the heating state of the hot tank and the water temperature in the hot tank 1 so that the hot tank 1 is not subjected to pressure or the pressure in the hot tank 1 is maintained at a low pressure level.
Preferably, when the hot tank 1 is heated and the water temperature in the hot tank 1 does not reach the water outlet temperature, the water inlet valve 22 is in a closed state, and the control system controls the first pressure release valve 41 to be opened so as to enable the hot tank 1 to be communicated with the atmosphere. Thereby realizing the active decompression of the hot pot 1. Since the thermal tank 1 is in communication with the atmosphere, the expansion moisture generated when the water in the thermal tank 1 is heated is continuously discharged through the pressure relief pipeline 4, and at this time, the thermal tank 1 is not subjected to pressure.
Preferably, when the heat tank 1 heats up and the water temperature in the heat tank 1 reaches the water outlet temperature, the water inlet valve 22 is in an open state, and the control system controls the first pressure release valve 41 to be opened periodically so as to release pressure periodically on the heat tank 1. Preferably, the control system controls the first pressure release valve 41 to release pressure to the hot tank 1 once every 1-3 minutes, and the duration of each pressure release is 2-10 seconds. Preferably, the pressure in the hot tank 1 is maintained at a low pressure level by venting the hot tank 1 for 5 seconds each time for a period of two minutes.
Preferably, when the heating of the hot tank 1 is stopped and in a heat preservation state, the water inlet valve 22 is in an open state, and the control system controls the first relief valve 41 to be closed. This process is a process of waiting for the user to take water, and since the hot tank 1 is not heated, the highest pressure in the hot tank 1 can be maintained at the level of the tap water pressure, in which case the hot tank can be considered to be in a low pressure environment.
According to the pressure release method of the direct water dispenser hot tank, according to the three conditions that the hot tank is heated, the water temperature in the hot tank does not reach the water outlet temperature, the hot tank is heated, the water temperature in the hot tank reaches the water outlet temperature, the hot tank stops heating and is in a heat preservation state, the control system on the direct water dispenser respectively carries out corresponding control on the first pressure release valve, the hot tank is not subjected to pressure or is subjected to lower pressure, and therefore the service lives of the hot tank and the direct water dispenser are prolonged.
In summary, the direct water dispenser and the pressure relief method of the direct water dispenser hot tank provided by the embodiment of the invention realize active control of pressure relief of the hot tank by controlling the opening or closing of the first pressure relief valve through the control system according to the heating state of the hot tank and the water temperature of the hot tank, so that the hot tank is not subjected to pressure or is subjected to reduced pressure in the working process, the service life of the direct water dispenser is prolonged, and potential safety hazards such as hot tank bursting, pipeline bursting and the like caused by the fact that the hot tank is subjected to larger pressure are eliminated.
In summary, it is readily understood by those skilled in the art that the above-described advantageous ways can be freely combined and superimposed without conflict.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way, but any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A direct water dispenser, characterized in that the direct water dispenser comprises:
a hot pot;
the water inlet pipeline is communicated with the hot tank, and a water inlet valve is arranged on the water inlet pipeline;
the water outlet pipeline is communicated with the hot tank;
one end of the pressure relief pipeline is communicated with the hot tank, and the other end of the pressure relief pipeline is communicated with the atmosphere; the pressure relief pipeline is provided with a first pressure relief valve;
the control system is connected with the first pressure relief valve and is used for controlling the first pressure relief valve to be opened or closed according to the heating state of the hot tank and the water temperature in the hot tank so as to maintain the pressure in the hot tank at a low pressure level; wherein the low pressure level is a level of tap water pressure;
when the hot tank is heated and the water temperature in the hot tank does not reach the water outlet temperature, the water inlet valve is in a closed state, and the control system controls the first pressure release valve to be opened so that the hot tank is communicated with the atmosphere through a pressure release pipeline;
when the hot tank is heated and the water temperature in the hot tank reaches the water outlet temperature, the water inlet valve is in an open state, and the control system controls the first pressure relief valve to be opened periodically so as to relieve pressure of the hot tank periodically; the control system controls the first pressure release valve to release pressure to the hot tank once every 1-3 minutes, and the time length of each pressure release is 2-10 seconds;
when the heating tank stops heating and is in a heat preservation state, the water inlet valve is in an open state, and the control system controls the first pressure release valve to be closed;
the direct water dispenser further comprises a second pressure relief valve, and the second pressure relief valve is communicated with the top of the hot tank through a pipeline; the second pressure relief valve is a passive pressure relief valve, and when the water pressure in the hot tank reaches a set degree, the water expanding in the hot tank can be discharged from the second pressure relief valve.
2. The direct water dispenser of claim 1, wherein the control system is further coupled to the water inlet valve for controlling the water inlet valve to open or close.
3. The direct water dispenser of claim 1, wherein the control system is further coupled to a heating device on the hot tank for controlling the heating device to heat the hot tank.
4. The direct water dispenser of claim 1, wherein the first pressure relief valve and the water inlet valve are both solenoid valves.
5. The direct water dispenser according to claim 1, wherein the pressure relief line is connected to the top of the hot tank; or one end of the pressure relief pipeline is communicated with the hot tank through the water outlet pipeline.
6. The direct drinking machine according to claim 5, wherein the water outlet pipeline includes a boiled water outlet pipeline and a warm water outlet pipeline; wherein, the liquid crystal display device comprises a liquid crystal display device,
one end of the pressure relief pipeline is communicated with the hot tank through the warm water outlet pipeline.
7. The direct water dispenser of claim 6, further comprising a heat exchanger; wherein, the liquid crystal display device comprises a liquid crystal display device,
the boiled water outlet pipeline comprises a first branch and a second branch; wherein the first branch is communicated with the warm water outlet pipeline after passing through the heat exchanger; the second branch is communicated with the warm water outlet pipeline, and a temperature regulating valve is arranged on the second branch.
8. The direct water dispenser of claim 7, wherein the water inlet line passes through the heat exchanger to exchange heat between cold water in the water inlet line and the boiled water in the first branch line.
9. The direct drinking machine according to claim 1, further comprising a drain line connected to one end of the pressure relief line that is open to the atmosphere;
the second pressure relief valve is communicated with the drainage pipeline through a pipeline.
10. The pressure relief method for the hot pot of the direct water dispenser, which is used for relieving the pressure of the hot pot on the direct water dispenser according to any one of claims 1 to 9, is characterized by mainly comprising the following steps:
the control system controls the first pressure release valve to be opened or closed according to the heating state of the hot tank and the water temperature in the hot tank so as to enable the hot tank not to bear pressure or maintain the pressure in the hot tank at a low pressure level.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610936191.1A CN106419585B (en) | 2016-11-01 | 2016-11-01 | Direct water dispenser and pressure relief method of hot tank of direct water dispenser |
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| CN201610936191.1A CN106419585B (en) | 2016-11-01 | 2016-11-01 | Direct water dispenser and pressure relief method of hot tank of direct water dispenser |
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| CN106419585B true CN106419585B (en) | 2023-11-03 |
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|---|---|---|---|---|
| CN109222660A (en) * | 2017-07-11 | 2019-01-18 | 佛山市顺德区美的饮水机制造有限公司 | Hot tank and water dispenser |
| CN109222650B (en) * | 2018-08-30 | 2020-01-10 | 珠海格力电器股份有限公司 | Water treatment system, control method thereof and drinking water equipment |
| CN112624474B (en) * | 2020-12-18 | 2024-02-27 | 珠海格力电器股份有限公司 | Control method of water purification system |
| CN113790397B (en) * | 2021-09-24 | 2022-11-11 | 珠海格力电器股份有限公司 | Hot tank pressure system, water injection control method thereof and storage medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793348A (en) * | 2010-04-08 | 2010-08-04 | 北京京诚科林环保科技有限公司 | Steam energy storage tank |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69906956T2 (en) * | 1999-01-19 | 2004-02-26 | Keurig, Inc., Waltham | AUTOMATIC BREWING SYSTEM |
| CN104729834B (en) * | 2013-12-19 | 2017-06-20 | 珠海格力电器股份有限公司 | Safety valve life-span test system and method |
| US9585513B2 (en) * | 2015-02-04 | 2017-03-07 | Hamilton Beach Brands, Inc. | Pump operated beverage maker |
| CN104783666B (en) * | 2015-04-30 | 2018-03-20 | 深圳安吉尔饮水产业集团有限公司 | A kind of row pressure formula check valve and water dispenser |
| CN204757389U (en) * | 2015-05-13 | 2015-11-11 | 南京水杯子科技股份有限公司 | A pressure relief device for boiler heating jar |
| CN105147099A (en) * | 2015-08-06 | 2015-12-16 | 江苏沁尔康环境电器有限公司 | High-temperature disinfection method for drinking water system and drinking water system realizing method |
-
2016
- 2016-11-01 CN CN201610936191.1A patent/CN106419585B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793348A (en) * | 2010-04-08 | 2010-08-04 | 北京京诚科林环保科技有限公司 | Steam energy storage tank |
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