CN206645852U - Circulate the more water temperature cleaning systems and water purifier of preheating - Google Patents

Abstract

The utility model relates to water purification, and provides a circulating preheating multi-water temperature purification system, which includes a purification pipeline and a heating pipeline. The heating pipeline includes a cold water flow path, a hot water flow path, a heating flow path and a circulation flow path. A first solenoid valve is set on the flow path, and a second solenoid valve, a preheating water tank and a water pump are connected in series on the hot water flow path. The heating flow path is provided with a preheating solenoid valve on the circulating flow path; a water purifier is also provided, including the above-mentioned purification system. In the utility model, the quick heating device is used for heating, which can realize real-time hot water supply, avoid secondary pollution caused by repeated boiling of water and storage, and is provided with a preheating water tank, which can ensure stable water output and avoid being affected by the purification pipeline Second, it can be preheated, which can shorten the waiting time when receiving hot water, and can ensure the stability of the outlet water temperature of the instant heating device.

Description

Circulating preheating multi-temperature purification system and water purifier

technical field

The utility model relates to water purification, in particular to a cycle preheating multi-water temperature purification system and a water purifier.

Background technique

With the increasingly serious water pollution, drinking water safety issues have attracted widespread attention, making water purifiers popular. However, the existing water purifiers on the market can only simply filter water without heating function, or use a built-in heating tank to provide hot water. The former is inconvenient to use, while the latter has the problem of increasing the mixing of cold water with the increase of the water output, resulting in a decrease in the temperature of the outlet water. The temperature of the outlet water cannot be guaranteed, and there are cases where the water is repeatedly heated. In order to meet the needs of users, there are also water purifiers that use fast heating modules for heating, but they can only provide hot water, which cannot meet the needs of users for other water temperatures, and the temperature of hot water is unstable.

Utility model content

The purpose of the utility model is to provide a circulating preheating multi-water temperature purification system, aiming at solving the problem of inconvenient drinking of hot water in the existing water purifiers.

The utility model is achieved in that:

The embodiment of the utility model provides a multi-water temperature purification system with circulating preheating, which includes a purification pipeline and a heating pipeline connected with the purification pipeline. The heating pipeline includes a cold water flow path, a hot water flow path, a heating A flow path and a circulation flow path, the cold water flow path is connected in parallel with the hot water flow path, and the water inlet ends of both are connected with the water outlet of the purification pipeline, and a first electromagnetic valve is arranged on the cold water flow path , a second electromagnetic valve, a preheating water tank, and a water pump are connected in series on the hot water flow path, and the heating flow path includes a rapid heating device, a water discharge solenoid valve communicated with the rapid heating device, and a water discharge solenoid valve communicated with the water discharge solenoid valve. The water outlet valve of the cold water flow path and the water outlet end of the hot water flow path are connected to the rapid heating device, and the circulation flow path is connected to the preheating water tank and the heating flow path. A preheating solenoid valve is arranged on the circulation flow path, and the connection between the circulation flow path and the heating flow path is located on the flow path between the rapid heating device and the water discharge solenoid valve.

Further, it also includes a water outlet controller, the first solenoid valve, the second solenoid valve, the water pump, the rapid heating device, the water discharge solenoid valve and the preheating solenoid valve are all electrically connected to the Describe the water outlet controller.

Further, a water temperature sensor and a water level sensor are installed in the preheating water tank, the water level sensor is electrically connected to the second solenoid valve, the water pump, the rapid heating device, the water discharge solenoid valve and the preheating The thermal electromagnetic valves are all electrically connected with the water temperature sensor.

Further, the cold water flow path is also provided with a one-way check valve along the cold water flow direction, and the check valve is close to the water outlet end of the cold water flow path.

Further, a composite filter element assembly, a booster pump, and a reverse osmosis assembly are connected in series on the purification pipeline, the composite filter assembly is connected to the water inlet of the purification pipeline, and the pure water outlet of the reverse osmosis assembly is connected to The water outlet of the purification pipeline.

Further, the concentrated water outlet of the reverse osmosis module is connected with a waste water ratio control structure.

Further, the composite filter element assembly includes a first composite filter element and a second composite filter element, the first composite filter element is connected to the water inlet of the purification pipeline, and the second composite filter element is connected to the booster pump, A water inlet solenoid valve is arranged on the flow path between the first composite filter element and the second composite filter element.

Further, the first composite filter element includes annular PP cotton and activated carbon embedded in the annular PP cotton, and the second composite filter element includes annular activated carbon and PP cotton embedded in the annular activated carbon.

Further, a low pressure switch is provided at the water inlet of the purification pipeline.

The embodiment of the utility model also provides a water purifier, which includes a body and the above-mentioned purification system, and the purification system is installed on the body.

The utility model has the following beneficial effects:

In the purification system of the present utility model, the purification pipeline is mainly used to purify the raw water entering the purification system, and the heating pipeline can be used to heat the drinkable water derived from the purification pipeline. Drinking water can enter the two flow paths. When drinking cold water is required, the drinking water will be discharged through the cold water flow path and the heating flow through the water outlet valve. At this time, the quick heating device does not work. The cold water flow path and the heating flow path are discharged through the drain valve in turn. At this time, the quick-heating device works, which can quickly heat up the potable water. Of course, the pre-heated potable water can also be extracted from the pre-heating water tank. At this time, the quick-heating device does not work. , and when it is necessary to drink boiled water, warm water is extracted from the preheating tank, and is rapidly heated to hot water through the rapid heating device. When preheating the drinking water in the preheating tank, the drinking water can be stored in the preheating tank through the second solenoid valve, the second solenoid valve and the water discharge solenoid valve are closed, the preheating solenoid valve is opened simultaneously, and the water pump is turned on. After connecting with the fast heating device, the drinking water in the preheating tank flows to the fast heating device for heating under the action of the water pump, and the heated drinking water enters the preheating tank through the circulation flow path, and circulates repeatedly to make the drinking water in the preheating tank The water is heated to the set preheat temperature. In the above process, the use of fast heating device heating can realize real-time hot water supply, avoiding secondary pollution caused by repeated boiling of water and storage. The impact of flow changes in the road, the second is that it can be preheated, which can shorten the waiting time when receiving hot water, and can ensure the stability of the outlet water temperature of the instant heating device.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative work.

Fig. 1 is a flow schematic diagram of a circulating preheating multi-water temperature purification system provided by an embodiment of the utility model.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Fig. 1, the embodiment of the present utility model provides a multi-water temperature purification system with circulating preheating, including a purification pipeline 1 and a heating pipeline 2, and the heating pipeline 2 communicates with the purification pipeline 1, wherein the inlet of the purification pipeline 1 The water inlet is the water inlet of the purification system. The raw water first enters the purification pipeline 1 to be filtered and purified into drinking water. The raw water is usually tap water, and the drinking water enters the heating pipeline 2 from the outlet of the purification pipeline 1. The heating pipeline 2 can realize Heating of drinking water, wherein the water outlet of the heating pipeline 2 is the water outlet of the purification system; the heating pipeline 2 includes a cold water flow path 21, a hot water flow path 22, a heating flow path 23 and a circulation flow path 24, the cold water flow path 21 is connected in parallel with the hot water flow path 22 and both are connected in series with the heating flow path 23. The hot water flow path 22 can then be discharged by the heating flow path 23. The cold water flow path 21 is provided with a first electromagnetic valve 211. The first electromagnetic valve 211 can control the on-off of the cold water flow path 21. When the first electromagnetic valve 211 is opened Finally, the drinking water directly enters the heating flow path 23 through the cold water flow path 21, and the second electromagnetic valve 221, the preheating water tank 222 and the water pump 223 are connected in series on the hot water flow path 22, and the drinking water can enter through the second electromagnetic valve 221. In the preheating water tank 222, the second solenoid valve 221 can control the on-off of this section of the flow path. Drinking water is stored in the preheating water tank 222, and the drinking water in the preheating water tank 222 can be pumped to the heating flow path 23 through the water pump 223. Inside, the heating flow path 23 includes a rapid heating device 231, a water discharge solenoid valve 233 communicated with the rapid heating device 231, and a water outlet valve 232 communicated with the water discharge solenoid valve 233. Both ends are connected to the quick heating device 231. After opening, the quick heating device 231 can quickly heat the drinking water flowing through. Of course, when the quick heating device 231 is not working, the drinking water can also pass through the quick heating device 231, and the water outlet valve 232 The structural form of the faucet can discharge the drinking water flowing through the rapid heating device 231, and the circulating flow path 24 is mainly used to connect the heating flow path 23 and the preheating water tank 222, and the circulating flow path 24 is provided with a preheating The thermal solenoid valve 241 is used to control the on-off of the flow path. In addition, the connection between the circulation flow path 24 and the heating flow path 23 is located on the flow path between the rapid heating device 231 and the water discharge solenoid valve 233. When the circulation flow When the circuit 24 is opened, the water discharge solenoid valve 233 should be closed, and the water pump 223 draws the drinking water in the preheating tank 222 to the rapid heating device 231, and preheats it through the rapid heating device 231, and the preheated drinking water passes through the circulating flow path 24 is returned to the preheating water tank 222, so that the drinking water circulated in the preheating water tank 222 is heated to the set temperature. In the utility model, the purification system is mainly divided into two parts: purification and heating. The drinking water generated after purification is discharged for drinking after passing through the heating pipeline 2, wherein a certain amount of drinking water is usually stored in the preheating water tank 222, and its Preheating, and the heating component of the drinking water in the preheating water tank 222 is the rapid heating device 231 in the heating flow path 23, and the drinking water in the preheating water tank 22222 is circulated and heated to the set temperature through the circulation flow path 24. When the purification system is working, when it is necessary to drink cold water, the first solenoid valve 211 and the water discharge solenoid valve 233 are opened, and the second solenoid valve 221 and the preheating solenoid valve 241 are closed. Of course, the water pump 223 should not work either. The filtered drinking water enters the cold water flow path 21, and is directly discharged from the water outlet valve 232 through the heating flow path 23. During this process, the quick heating device 231 does not work; when drinking warm water, two methods can be used, one of which is This mode is similar to the cold water mode, except that when the drinking water flows through the rapid heating device 231, the rapid heating device 231 works, which can quickly heat the drinking water to warm water, while in another mode, warm water is heated in the preheating water tank 222, The first electromagnetic valve 211, the second electromagnetic valve 221, and the preheating electromagnetic valve 241 are all closed, and the water pump 223 works, and the warm water in the preheating water tank 222 is directly drawn into the heating pipeline 2 through the water pump 223, and in this way , the fast heating device 231 does not work; when drinking hot water is needed, it is similar to the second mode of the warm water mode, except that when the warm water flows through the fast heating device 231, the fast heating device 231 heats it into boiling water rapidly. In the above-mentioned various processes, heating by the rapid heating device 231 can realize real-time hot water supply, avoiding secondary pollution caused by repeated boiling and storage of water, and a preheating water tank 222 is provided, which can ensure stable water output, Avoid being affected by flow changes in the purification pipeline 1, and secondly, it can be preheated, which can shorten the waiting time when receiving hot water, and can ensure that the outlet water temperature of the rapid heating device 231 is stable. The user can choose drinking water of three different temperatures according to the needs, which is more convenient. In addition, after the water outlet valve 232 is opened, the drinking water of various temperatures is discharged, not only the flow rate of the outlet water can be guaranteed, but also the stability of the outlet water temperature is also very high. In particular, the waiting time for hot water is greatly shortened by means of preheating. Usually, a check valve 212 is also provided on the cold water flow path 21, and the check valve 212 conducts in one direction along the flow direction of drinking water in the cold water flow path 21, specifically along the direction from the first solenoid valve 211 to the heating flow path 23. One-way conduction, the check valve 212 is close to the water outlet of the cold water flow path 21, when hot water is needed, the water pump 223 works, and the warm water in the preheating water tank 222 is drawn into the heating flow path 23, and the check valve 212 can effectively Prevent warm water in the heating flow path 23 from entering the cold water flow path 21 .

To optimize the above embodiment, the purification system also includes a water outlet controller, the first solenoid valve 211, the second solenoid valve 221, the water pump 223, the fast heating device 231, the water discharge solenoid valve 233 and the preheating solenoid valve 241 are all electrically connected to the water outlet controller. Connect, water pump 223 adopts electromagnetic pump. In this embodiment, the water outlet controller is the control part of the above-mentioned parts, and three water outlet modes can be set on it: cold water, warm water and hot water, and the user can choose according to the needs. Specifically, when operating, the user first chooses one of them Water outlet mode, and then open the water outlet valve 232. For example, when cold water is selected, the water outlet controller automatically controls the first solenoid valve 211 and the water discharge solenoid valve 233 to open, the second solenoid valve 221 and the preheating solenoid valve 241 to close, and controls the water pump 223 All do not work with quick heating device 231. The use of the water outlet controller can greatly simplify the user's operation process, and the control is very convenient.

Further, a water temperature sensor and a water level sensor are provided in the preheating water tank 222, wherein the water level sensor is electrically connected to the second solenoid valve 221, and the water pump 223, the rapid heating device 231, the water discharge solenoid valve 233 and the preheating solenoid valve 241 are all connected to the The water temperature sensor is electrically connected. In this embodiment, the two main indicators of the drinking water in the preheating tank 222 can be detected by the water temperature sensor and the water level sensor, the water temperature and the water level. When the water level sensor in the preheating tank 222 detects that the water level is insufficient, the second solenoid valve 221 is opened. Of course, the aforementioned purification pipeline 1 should also work, and then water can be produced to the preheating water tank 222 until it is detected that the water is full and the water production is stopped. After the water is full, if the water temperature in the preheating tank 222 is lower than the preheating opening temperature, it can be set to 35°C, that is, when the water temperature in the preheating tank 222 is detected to be lower than 35°C, the water pump 223 and the quick heating device 231 are controlled to work, Simultaneously, the circulating flow path 24 is opened, the water discharge solenoid valve 233 is closed, and the water temperature in the preheating water tank 222 is heated to 40° C. by means of circulating heating, and then the heating is stopped, and the preheating is completed. After the water temperature drops below 35°C, turn on the heating again to ensure that the water temperature in the preheating tank 222 remains between 35°C and 40°C. Preferably, in order to avoid frequent water production and frequent heating after each release of a small amount of hot water when the water consumption is not large, and waste of electric energy, it can be set that after the hot water discharge is completed, when the water temperature in the preheating tank 222 is higher than 35°C, even if the water level Water production will not be turned on when the water level is lower than the high water level; water production will not start until the water volume is lower than the low water level or the water temperature is lower than 35°C.

Further, the purification pipeline 1 is refined, and the purification pipeline 1 is sequentially connected with a composite filter element assembly 11, a booster pump 12, and a reverse osmosis assembly 13, wherein the composite filter element assembly 11 is connected to the water inlet of the purification pipeline 1, and the reverse osmosis The pure water outlet of the component 13 is connected to the water outlet of the purification pipeline 1 . A waste water ratio control structure 131 can be connected to the concentrated water outlet of the reverse osmosis module 13 to control the ratio of waste water to clean water. In order to ensure the drinking water flow at the water outlet valve 232, a 400G reverse osmosis membrane can be selected, and The waste water ratio of the waste water ratio control structure 131 can be 1000CC. Of course, a collection box can also be provided to collect the concentrated water discharged from the reverse osmosis module 13 to avoid waste of raw water. In this embodiment, the booster pump 12 is the power element of the purification pipeline 1 and the heating pipeline 2. When the booster pump 12 is working, the raw water enters through the composite filter element assembly 11, the booster pump 12 and the reverse osmosis assembly 13 in sequence. In the heating pipeline 2, the composite filter module 11 is purified by filtration, while the reverse osmosis module 13 is purified by pure water. In addition, the booster pump 12 should also be electrically connected to the water outlet controller, and the booster pump 12 can be controlled to work by the water outlet controller. For example, when drinking cold water, the water outlet controller controls the booster pump 12 to work, so that the raw water is purified for drinking Water enters the cold water flow path 21, and of course the water level sensor is also electrically connected to the booster pump 12, and the water level sensor is used to control whether the booster pump 12 needs to replenish drinking water into the preheating water tank 222. A low-pressure switch 14 is also provided at the water inlet of the purification pipeline 1 to monitor the water inlet pressure of the purification system. When it is detected that the water inlet pressure is low or the water is cut off, a signal can be sent to the control system for easy control. Turn off components such as each solenoid valve, booster pump 12 and water pump 223 to prevent idling operation.

Further, refine the composite filter element assembly 11, which includes a first composite filter element 111 and a second composite filter element 112, the first composite filter element 111 is connected to the water inlet of the purification pipeline 1, and the second composite filter element 112 is connected to the booster pump 12 , and a water inlet solenoid valve 15 is provided on the flow path between the first composite filter element 111 and the second composite filter element 112 . In this embodiment, the composite filter element assembly 11 is two sets of filter elements, and the first composite filter element 111 and the second composite filter element 112 are connected in series, which can effectively ensure the filtration accuracy of the composite filter element assembly 11, while the water inlet solenoid valve 15 is The water purification switch of the purification system has the same opening and closing state as the working state of the booster pump 12. When the booster pump 12 was working, the water inlet solenoid valve 15 was opened, and when the booster pump 12 was not working, the water inlet solenoid valve 15 was closed. Wherein, the first composite filter element 111 includes annular PP cotton and activated carbon embedded in the annular PP cotton, and the second composite filter element 112 includes annular activated carbon and PP cotton embedded in the annular activated carbon. The composite filter element with this structure can effectively save product space; the composite filter element adopts a ring-shaped structure, which can make full use of the filter material and save resources (in the actual use of ordinary single-stage filter elements, the excessive use of the outer filter material often leads to If the filter element is clogged, even if the central filter material is still clean, it cannot be used any longer and can only be replaced with a new filter element); the two-stage and double-layer composite filter element is equivalent to four-stage filtration, compared with the ordinary front PP cotton filter element, activated carbon filter element, The post-installed PP cotton filter element has a three-stage filter structure, which can enhance the filter effect.

The embodiment of the utility model also provides a water purifier, including a machine body and the above-mentioned purification system. In this embodiment, the above-mentioned purification system is applied to a water purifier, wherein a control panel is arranged on the body, and the water outlet controller is electrically connected to the control panel, and the selection of drinking water can be realized by operating the control panel, which is very Convenient, after opening the water outlet valve 232, drinking water with sufficient flow rate and corresponding temperature can be obtained.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. A multi-water temperature purification system for circulating preheating, comprising a purification pipeline and a heating pipeline communicated with the purification pipeline, characterized in that: the heating pipeline includes a cold water flow path, a hot water flow path, a heating A flow path and a circulation flow path, the cold water flow path is connected in parallel with the hot water flow path, and the water inlet ends of both are connected with the water outlet of the purification pipeline, and a first electromagnetic valve is arranged on the cold water flow path , a second electromagnetic valve, a preheating water tank, and a water pump are connected in series on the hot water flow path, and the heating flow path includes a rapid heating device, a water discharge solenoid valve communicated with the rapid heating device, and a water discharge solenoid valve communicated with the water discharge solenoid valve. The water outlet valve of the cold water flow path and the water outlet end of the hot water flow path are connected to the rapid heating device, and the circulation flow path is connected to the preheating water tank and the heating flow path. A preheating solenoid valve is arranged on the circulation flow path, and the connection between the circulation flow path and the heating flow path is located on the flow path between the rapid heating device and the water discharge solenoid valve. 2. The multi-water temperature purification system with circulating preheating as claimed in claim 1, characterized in that: it also includes a water outlet controller, the first solenoid valve, the second solenoid valve, the water pump, the fast heating The device, the water discharge solenoid valve and the preheating solenoid valve are all electrically connected to the water outlet controller. 3. The multi-water temperature purification system of circulating preheating as claimed in claim 1, characterized in that: a water temperature sensor and a water level sensor are arranged in the preheating water tank, and the water level sensor is electrically connected to the second solenoid valve, The water pump, the rapid heating device, the water discharge solenoid valve and the preheating solenoid valve are all electrically connected to the water temperature sensor. 4. The multi-water temperature purification system with circulating preheating as claimed in claim 1, characterized in that: the cold water flow path is also provided with a check valve that is unidirectionally conducted along the cold water flow direction, and the check valve is close to the cold water outlet end of the flow path. 5. The multi-water temperature purification system with circulating preheating as claimed in claim 1, characterized in that: a composite filter element assembly, a booster pump and a reverse osmosis assembly are serially connected in series on the purification pipeline, and the composite filter element assembly is connected to the The water inlet of the purification pipeline, the pure water outlet of the reverse osmosis module is connected to the water outlet of the purification pipeline. 6. The circulating preheating multi-water temperature purification system according to claim 5, characterized in that: the concentrated water outlet of the reverse osmosis module is connected with a waste water ratio control structure. 7. The multi-water temperature purification system with circulating preheating as claimed in claim 5, characterized in that: the composite filter element assembly includes a first composite filter element and a second composite filter element, and the first composite filter element is connected to the purification pipe The water inlet of the road, the second composite filter element is connected to the booster pump, and a water inlet solenoid valve is arranged on the flow path between the first composite filter element and the second composite filter element. 8. The multi-water temperature purification system of circulating preheating as claimed in claim 7, characterized in that: the first composite filter element comprises annular PP cotton and activated carbon built in the annular PP cotton, and the second composite filter element It includes ring-shaped activated carbon and PP cotton embedded in the ring-shaped activated carbon. 9. The circulating preheating multi-water temperature purification system according to claim 1, characterized in that: a low pressure switch is provided at the water inlet of the purification pipeline. 10. A water purifier, comprising a body, characterized in that it further comprises the purification system according to any one of claims 1-9, the purification system being installed on the body.