CN217895306U

CN217895306U - Piston type water tank control system

Info

Publication number: CN217895306U
Application number: CN202222453568.1U
Authority: CN
Inventors: 袁鹏; 杨鹏; 叶敏; 韦宇颖
Original assignee: Shenzhen Angel Drinking Water Equipment Co Ltd
Current assignee: Shenzhen Angel Drinking Water Equipment Co Ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-11-25
Anticipated expiration: 2032-09-16

Abstract

The utility model provides a piston water tank control system, this control system includes leading filter core, the solenoid valve of intaking, booster pump, reverse osmosis filter core, rearmounted filter core, from the waste pipe and the delivery port of the dense water end connection of reverse osmosis filter core, inserts piston water tank control assembly between reverse osmosis filter core and rearmounted filter core, and this piston water tank control assembly includes two parallelly connected through-passage and row's waste water route to and insert the piston water tank on row's waste water route. The utility model relates to a piston water tank control system can realize dense water through piston water tank to the regulation and the control in water route and discharge, and the problem of the high TDS value water that can produce when the restart after the long-time standby of pure water machine and shut down is reserved in order to deal with, ensures user's drinking water safety, can take the fresh safe drinking water of quality of water immediately. The system has high automation degree, saves the whole water consumption and avoids the waste of water resources.

Description

Piston type water tank control system

[ technical field ] A method for producing a semiconductor device

The utility model relates to a domestic water purification unit field especially relates to the structure of using piston water tank control to get rid of high ion concentration water in water purification system.

[ background of the invention ]

In post epidemic era, "diet safety" and "drinking water safety" are more and more emphasized by people, and "drinking water safety" is more emphasized due to the universality problem. The water purifier with the deep filtering function can be used by thousands of households, and safe and healthy drinking water quality and efficient and superior drinking water experience are the key points of constant attention of consumers.

The purifier mainly filters the impurity in the former aquatic through water purification unit at different levels and reaches the purpose of purified water, and the reverse osmosis filter core is the key subassembly of getting rid of TDS (dissolubility total solids), and it is detained a large amount of ions on the membrane surface under the effect of booster pump, the dense water of the high TDS value of discharge when preparing the acquisition pure water. The working principle of the reverse osmosis filter element determines that when a user stops the machine for a long time, ionic compounds can be crystallized on the surface of the membrane to block the membrane pores; simultaneously because of the membrane surface takes place concentration polarization, membrane front and back dense water and pure water concentration difference produce the TDS value of the first cup of water of output when leading to the purifier to start again higher with the pure water concentration difference, and if let the user just start the time high TDS water that receives and drunk the water of high TDS value, be unfavorable for healthy.

The existing water purifier on the market adopts a water storage container (a pressure barrel or a water tank) to store pure water with a low TDS value, and the standby device replaces the raw water and the concentrated water in the reverse osmosis filter element 4 with the water with the low TDS value of the water storage container after being shut down. The residual water in reverse osmosis filter core 4 surface will be held back after the replacement and continue to dissolve at the crystallization salt on reverse osmosis filter core 4 surface to pure water end diffusion, still have the water of high TDS value to supply with the consumer through tap during the water intaking and use, can't thoroughly solve the high TDS value problem of the first glass of water of purifier. And the water consumption in the replacement process is large, which causes the waste of water resources.

[ summary of the invention ]

The utility model discloses a piston water tank control system has been proposed to prior art, utilizes the piston water tank to carry out the water of the high TDS value of the first cup after the control system discharge start automatically, ensures user's drinking water safety to save whole water consumption, avoid the waste of water resource.

A piston type water tank control system comprises a prepositive filter element, a water inlet electromagnetic valve, a booster pump, a reverse osmosis filter element, a postpositive filter element, a waste discharge pipe and a water outlet which are connected from a concentrated water end of the reverse osmosis filter element, and is characterized in that a piston type water tank control assembly is connected between the reverse osmosis filter element and the postpositive filter element and comprises two parallel straight-through passages and a waste discharge water passage, and a piston type water tank connected to the waste discharge water passage, wherein a piston of the piston type water tank divides the water tank into the concentrated water end and a pure water end, water inlets are arranged on two sides of the piston type water tank, the waste discharge water passage is directly connected with the concentrated water end of the piston type water tank, and the straight-through passages are respectively connected to the pure water end and the postpositive filter element of the piston type water tank; and a drainage channel connected to a waste discharge pipe is also arranged at the concentrated water end of the piston type water tank.

The concentrated water end and the pure water end of the piston type water tank are respectively provided with an upper water level sensor and a lower water level sensor, the highest position of the concentrated water end is provided with the upper water level sensor, and the lowest end of the pure water end is provided with the lower water level sensor.

A first water inlet electromagnetic valve is arranged between the preposed filter element and the booster pump, a second water inlet electromagnetic valve and a first check valve are sequentially connected on a waste water discharge passage of the piston type water tank control assembly, and a water inlet passage from the reverse osmosis filter element to a concentrated water end of the piston type water tank is conducted.

A drainage channel is communicated between the first check valve and the piston type water tank, a third water inlet electromagnetic valve and a second check valve are sequentially arranged on the drainage channel, and the concentrated water end of the piston type water tank is communicated with a waste discharge pipe.

The waste water discharge pipe is provided with a waste water electromagnetic valve.

A fourth water inlet electromagnetic valve and a third check valve are sequentially arranged in a straight-through passage of the piston type control assembly along the water flow direction, and a reverse osmosis filter element and a pure water end of the piston type water tank or the reverse osmosis filter element and a rear filter element are communicated.

And a high-voltage switch is arranged between the piston type water tank control assembly and the rear filter element.

The piston type water tank control assembly is an independent external assembly and is assembled between the reverse osmosis filter element and the rear filter element in a movable assembly mode, and a control system with a high-voltage switch is arranged in the direction from the piston type water tank to the rear filter element.

A TDS sensor is arranged between the post-positioned filter element and the water outlet.

The post-positioned filter element is a post-positioned active carbon filter element.

The utility model relates to a piston water tank control system can realize dense water through piston water tank to the regulation and the control in water route and discharge, and the problem of the high TDS value water that can produce when the pure water deposit starts once more after the long-time standby of reply purifier and shutting down ensures user's drinking water safety, can take the fresh safe drinking water of quality of water immediately. The system has high automation degree, saves the whole water consumption and avoids the waste of water resources.

[ description of the drawings ]

Fig. 1 is a schematic diagram of the overall structure of a piston type water tank control system according to the present invention;

fig. 2 is a schematic diagram of a water tank structure of an external-hanging piston type water tank control system according to the present invention;

fig. 3 is a schematic structural diagram of a piston-type water tank according to the present invention;

wherein: 1. a front filter element; 2. a first water inlet solenoid valve; 3. a booster pump; 4. a reverse osmosis filter element; 5. a wastewater solenoid valve; 6. A second water inlet solenoid valve; 7. a first check valve; 8. a third water inlet electromagnetic valve; 9. a second check valve; 10. a piston-type water tank; 10-1, concentrated water end; 10-2, a piston; 10-3, pure water end; 10-4, an upper water level sensor; 10-5, a lower water level sensor; 11. a fourth water inlet electromagnetic valve; 12. a third check valve; 13. a first high voltage switch; 14. a post-positioned filter element; 15. a TDS sensor; 16. a water outlet; 17. and a third high-voltage switch.

100. A piston-type water tank control assembly; 101. a through path; 102. a wastewater discharge passage; 103. a drainage channel;

[ detailed description ] embodiments

The invention will be described in detail with reference to the drawings and embodiments, examples of which are illustrated in the drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, a piston type water tank control system is shown as a whole, and comprises a front filter element 1, a water inlet electromagnetic valve, a booster pump 3, a reverse osmosis filter element 4, a rear filter element 14, a waste discharge pipe and a water outlet 16 which are connected from a concentrated water end of the reverse osmosis filter element 4, wherein a piston type water tank control assembly is connected between the reverse osmosis filter element 4 and the rear filter element 14, the piston type water tank control assembly 100 comprises two parallel through passages 101 and a waste discharge water passage 102, and a piston type water tank 10 connected to the waste discharge water passage 102, a piston 10-2 of the piston type water tank 10 divides the water tank into a concentrated water end 10-1 and a pure water end 10-3, water inlets are arranged at two sides, the waste discharge water passage 102 is directly connected with the concentrated water end of the piston type water tank 10, and the through passages 101 are respectively connected to the pure water end of the piston type water tank 10 and the rear filter element 14; a drain passage 103 connected to a drain pipe is also provided from the concentrate side of the piston tank 10.

A piston 10-2 of the piston type water tank 10 divides the whole water tank into a concentrated water end 10-1 and a pure water end 10-3, an upper water level sensor 10-4 and a lower water level sensor 10-5 are respectively arranged at the concentrated water end 10-1 and the pure water end 10-3, the upper water level sensor 10-4 is arranged at the highest position of the concentrated water end 10-1, and the lower water level sensor 10-5 is arranged at the lowest end of the pure water end 10-3. The piston 10-2 can move to the limit positions of the upper water level sensor 10-4 and the lower water level sensor 10-5 under the driving of water pressure, and the moving volume of the cavity is changed by the piston 10-2.

A first water inlet electromagnetic valve 2 is arranged between the preposed filter element 1 and the booster pump 3, a second water inlet electromagnetic valve 6 and a first check valve 7 are sequentially connected on a waste water discharge passage 102 of the piston type water tank control assembly 100, and a water inlet passage from the reverse osmosis filter element 4 to a concentrated water end of the piston type water tank 10 is communicated.

A drainage channel 103 is communicated between the first check valve 7 and the piston type water tank 10, a third water inlet electromagnetic valve 8 and a second check valve 9 are sequentially arranged on the drainage channel 103, and a concentrated water end 10-1 of the piston type water tank is communicated with a waste discharge pipe. When the third water inlet electromagnetic valve 8 is opened, the concentrated water in the piston type water tank 10 can be discharged through the waste discharge pipe.

A waste water electromagnetic valve 5 is arranged on the waste discharge pipe.

And a high-voltage switch 13 is arranged between the piston type water tank control assembly and the rear filter element.

The structure is built-in and can be combined with a water purifier system to be designed in an embedded mode. According to the design requirement of the system structure, the piston type water tank control assembly can be independently designed into an independent external plug-in assembly, the plug-in assembly can be used as a special after-sale service accessory of part of water purifier products, and a power supply can be shared with a machine power supply. The plug-in component is assembled between the reverse osmosis filter element and the rear filter element in a movable assembly mode, and a control system with a high-voltage switch 17 is arranged in the direction from the piston type water tank to the rear filter element.

A TDS sensor 15 is arranged between the post-positioned filter element and the water outlet.

The working process of the piston type water tank control system is as follows:

step 1: when a user opens the water outlet 16 to take water, the water purifier starts water production, raw water is subjected to rust, silt, red worm, residual chlorine and the like removal in the water through the front filter element 1, enters the reverse osmosis filter element 4 for deep filtration after being pressurized by the pump pressure pump 3 through the first water inlet electromagnetic valve 2, heavy metal ions, pathogenic microorganisms, soluble salt compounds and the like in the water are intercepted, and a part of high-TDS wastewater discharged from the reverse osmosis filter element 4 is discharged into a sewer through the wastewater electromagnetic valve 5.

At the moment, the system gives an electric signal to close the third water inlet electromagnetic valve 8 and the fourth water inlet electromagnetic valve 11, open the second water inlet electromagnetic valve 6 and communicate the reverse osmosis filter element 4 with the concentrated water end 10-1 of the piston type water tank.

The second water inlet electromagnetic valve 6 is opened, pure water from the reverse osmosis filter element 4 is filled into the concentrated water end 10-1 of the piston type water tank 10 through the first check valve 7 until the lower water level sensor 10-5 of the piston type water tank 10 senses that the piston 10-2 reaches the position, the second water inlet electromagnetic valve 6 is closed, meanwhile, the third water inlet electromagnetic valve 8 and the fourth water inlet electromagnetic valve 11 are opened, and the pure water passes through the third check valve 12 and the high-pressure switch 13, improves the taste through the rear activated carbon filter element 14, and then flows out from the water outlet 16 for drinking water of a user.

Step 2: when a user closes the water outlet 16 to stop taking water, pure water enters from the pure water end 10-3 of the piston type water tank 10, meanwhile, the piston 10-2 is pushed until the position of the upper water level sensor 10-4 of the piston type water tank 10 is reached (pure water with a low TDS value is filled in the cavity), the system gives an instruction, the third water inlet electromagnetic valve 8 is opened, high TDS value water stored at the original concentrated water end of the piston type water tank 10 is discharged into a sewer through the second check valve 9 via the water discharge channel 103, when the machine is filled with water until the high-voltage switch 13 senses that a jump pressure value is reached, all the electromagnetic valves and the booster pumps are closed, and the machine stops working and enters a standby state.

And step 3: when a user opens the water outlet 16 for the second time at an interval, the switch of the high-voltage switch 13 is switched on, the system gives an electric signal to close the third water inlet electromagnetic valve 8 and the fourth water inlet electromagnetic valve 11, the second water inlet electromagnetic valve 6 is opened, the low-TDS pure water in the piston type water tank 10 is filtered by the rear active carbon filter element 14 under the water pressure pushing piston, the stored low-TDS pure water is preferentially supplied to the user, meanwhile, the reverse osmosis filter element 4 works to enable the raw water and the waste water stored in the membrane and a small part of newly-made pure water to flow into the piston type water tank 10 through the first check valve 7 until the lower water level sensor 10-5 of the piston type water tank 10 senses that the piston 10-2 reaches the position, the second water inlet electromagnetic valve 6 is immediately closed, the fourth water inlet electromagnetic valve 11 is opened, and the system continuously generates water for the user to take the pure water.

The steps 1, 2 and 3 are a complete cycle, and the water purifier works in a reciprocating manner.

When the external scheme is adopted, the control system needs to turn on the high-voltage switch 13 and the control system is provided with the high-voltage switch 17 at the same time.

Install TDS sensor 15 in the middle of rearmounted active carbon filter 14 and the delivery port 16, but the TDS value of real-time supervision machine during operation user's water intaking, this inductive value presents on the display panel of purifier.

Piston cistern (as shown in fig. 2): the middle of the water tank is provided with a (10-2) movable piston, the piston can separate the water tank into two cavities, the (10-1) cavity is a high TDS value water (containing a first cup of water), the (10-3) cavity is a low TDS value pure water cavity, the piston can move to a (10-4) upper water level sensor and a (10-5) lower water level sensor under the drive of water pressure, and the cavities are changed by the moving volume of the piston.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention is disclosed in the above description in terms of preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art will be able to make any changes or modifications to the equivalent embodiments without departing from the scope of the present invention, and all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. A piston type water tank control system comprises a prepositive filter element, a water inlet electromagnetic valve, a booster pump, a reverse osmosis filter element, a postpositive filter element, a waste discharge pipe and a water outlet which are connected from a concentrated water end of the reverse osmosis filter element, and is characterized in that a piston type water tank control assembly is connected between the reverse osmosis filter element and the postpositive filter element and comprises two parallel straight-through passages and a waste discharge water passage, and a piston type water tank connected to the waste discharge water passage, wherein the piston of the piston type water tank divides the water tank into the concentrated water end and a pure water end, water inlets are arranged at two sides of the piston type water tank, the waste discharge water passage is directly connected with the concentrated water end of the piston type water tank, and the straight-through passages are respectively connected to the pure water end of the piston type water tank and the postpositive filter element; a drainage channel connected to a waste discharge pipe is also arranged at the concentrated water end of the piston type water tank.

2. The piston type cistern control system as claimed in claim 1, wherein the concentrate side and the pure water side of the piston type cistern are provided with an upper water level sensor and a lower water level sensor, respectively, the upper water level sensor being provided at the highest position of the concentrate side and the lower water level sensor being provided at the lowest end of the pure water side.

3. The piston type water tank control system as claimed in claim 1, wherein a first water inlet solenoid valve is provided between the pre-filter element and the booster pump, and a second water inlet solenoid valve and a first check valve are connected in sequence to a waste water discharge passage of the piston type water tank control assembly to conduct the reverse osmosis filter element to a water inlet passage of the concentrate end of the piston type water tank.

4. The piston type cistern control system of claim 3, wherein a drain passage is communicated between the first check valve and the piston type cistern, and a third electromagnetic valve and a second check valve are sequentially arranged on the drain passage to conduct the concentrated water end of the piston type cistern to the waste pipe.

5. The piston tank control system as in claim 3, wherein a waste solenoid valve is provided on the waste pipe.

6. The piston type water tank control system as claimed in claim 3, wherein a fourth water inlet solenoid valve and a third check valve are sequentially arranged in the through passage of the piston type control assembly along the water flow direction, and a reverse osmosis filter element and a pure water end of the piston type water tank are communicated or the reverse osmosis filter element and a post filter element are communicated.

7. The piston cistern control system of claim 6, wherein a high pressure switch is provided between the piston cistern control assembly and the post-filter cartridge.

8. The piston type water tank control system as claimed in claim 1, wherein the piston type water tank control assembly is a stand-alone external assembly and is assembled between the reverse osmosis filter element and the rear filter element in a movable assembly manner, and a high-pressure switch of the control system is arranged in the direction from the piston type water tank to the rear filter element.

9. The piston cistern control system of any one of claims 1-8, wherein a TDS sensor is provided between the post-filter element and the outlet.

10. The piston tank control system as in any one of claims 1-8, wherein the post-filter element is a post-activated carbon filter element.