CN216135665U - Water purifier - Google Patents
Water purifier Download PDFInfo
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- CN216135665U CN216135665U CN202120133984.6U CN202120133984U CN216135665U CN 216135665 U CN216135665 U CN 216135665U CN 202120133984 U CN202120133984 U CN 202120133984U CN 216135665 U CN216135665 U CN 216135665U
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Abstract
The utility model relates to a water purifier, which comprises a raw water barrel, a water suction pump, a filtering system and a control assembly, wherein the water suction pump sucks raw water in the raw water barrel, the raw water enters the filtering system for filtering, purified water is generated and is discharged through a purified water pipe, concentrated water is generated and flows back to the raw water barrel through a water return pipe, a gas-water liquid level control tank is vertically installed on the raw water pipe, an inductive switch is arranged on the gas-water liquid level control tank, and the control assembly is respectively in control connection with the inductive switch and the water suction pump; the height of the water outlet of the water return pipe is lower than that of the water inlet of the raw water pipe. When the water purifier extracts and filters raw water in the raw water barrel, the raw water is fully mixed with small bubbles, so that the water pump is prevented from being burnt in an idle running mode, and the filter system is prevented from generating harsh noise and severe vibration during working.
Description
Technical Field
The utility model relates to the technical field of water purifiers, in particular to a water purifier with a water pump protection structure.
Background
The pump is a machine for conveying liquid or pressurizing liquid, which transmits the mechanical energy of a prime motor or other external energy to the liquid to increase the energy of the liquid, is mainly used for conveying the liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal and the like, and can also convey liquid, gas mixture and liquid containing suspended solids, and the technical parameters of the performance of the water pump include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles.
At present, in a water pump applied to a tea bar machine or a filtering device, under the condition that a raw water pipe cannot absorb raw water or absorbs too little raw water, if no control equipment is shut down, the water pump can idle, and the water pump is always fatally damaged when the water pump idles, so that the whole equipment is damaged, and economic loss is caused to users;
in addition, when the water purifier during operation, if when former storage bucket water level dropped to a take the altitude, former water pipe can not extract the raw water in succession, can appear a large amount of air in the pipeline, leads to the water purifier can produce harsh noise and violent vibration at the during operation, and along with filtration system operating time extension, can harm filtration membrane and water pump, harm filtration system.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the water purifier solves the problem that no idling protection exists in a water pump and a large amount of air exists in a pipeline of the water purifier so as to cause harsh noise.
The technical solution of the utility model is as follows: a water purifier is characterized by comprising a raw water bucket, a water suction pump, a filtering system and a control assembly, wherein the water suction pump sucks raw water in the raw water bucket, the raw water enters the filtering system for filtering, purified water is generated and discharged through a purified water pipe, concentrated water is generated and flows back to the raw water bucket through a water return pipe, an air-water liquid level control tank is vertically installed on the raw water pipe, an induction switch is arranged on the air-water liquid level control tank, and the control assembly is respectively in control connection with the induction switch and the water suction pump;
the height of the water outlet of the water return pipe is lower than that of the water inlet of the raw water pipe.
Preferably, the method comprises the following steps: the water inlet of the gas-water liquid level control tank is higher than the liquid level inductive switch, and the liquid level inductive switch is higher than the lowest water outlet of the gas-water liquid level control tank.
Preferably, the method comprises the following steps: the water inlet of the gas-water liquid level control tank extends into the inner cavity of the tank body to form a water inlet pipe.
Preferably, the method comprises the following steps: the water outlet of the air-water liquid level control tank extends into the inner cavity of the tank body to form a water outlet pipe, the end part of the water outlet pipe positioned in the inner cavity of the tank body is sealed, a first water outlet and a second water outlet are respectively arranged on the water outlet pipe in a penetrating mode, and the liquid level sensing switch is positioned between the first water outlet and the second water outlet.
Preferably, the method comprises the following steps: the sum of the sectional areas of the first water outlet and the second water outlet is larger than or equal to the sectional area of the water outlet pipe.
Preferably, the method comprises the following steps: the sensing component is either a water level switch arranged on the outer wall of the tank body or a float switch arranged on the inner wall of the tank body.
Preferably, the method comprises the following steps: the water purifier still includes the warning subassembly, still be equipped with the water quality testing sensor on the former water pipe, warning subassembly, water quality testing sensor are preferred with control assembly control connection respectively: the control component is either a PLC controller or a time relay.
Compared with the prior art, the utility model has the beneficial effects that:
the water pump is controlled to be closed by sensing the water level change in the air-water liquid level control tank, so that the water pump is prevented from being burnt out due to waterless idling and protected;
secondly, due to the air pressure balance effect in the air-water liquid level control tank, and the liquid level height of the inductive switch is higher than the lowest water outlet height, when raw water in the raw water bucket cannot be pumped by a raw water pipe, a large amount of air enters the air-water liquid level control tank through the raw water pipe, the liquid level height in the tank flows to the filtering system along the water outlet pipe under the action of air pressure, and when the liquid level height in the tank is lower than the inductive switch and higher than the water outlet height, the system is shut down, so that the filtering system is protected, and the water pump is prevented from idling and burning;
the system is restarted by water replenishing of the raw water barrel, the control assembly controls the water pump to start pumping water, air is reduced and the water level rises due to the effect of air pressure balance in the tank, and if the sensing assembly does not detect that the water level height reaches the standard within the first set time, the water pump is controlled to stop, so that the water pump is prevented from idling and burning;
after water is supplemented, the water pump is started, the water inlet of the air-water liquid level control tank is arranged at a high position and is higher than the liquid level of the inductive switch, when raw water enters the air-water liquid level control tank from the water inlet, water splash splashes when the raw water falls due to height drop, air in the tank is mixed with the raw water after forming small bubbles, the raw water is pumped to a filtering system for use under the pumping action of the water pump, and no big bubbles exist in the raw water, so that the noise of ears and severe vibration can not be generated, and the service lives of the filtering membrane and the water pump can be prolonged;
the water inlet pipe in the air-water liquid level control pipe extends into the inner cavity of the tank body, so that raw water is guaranteed to fall from the water inlet and directly splash, the raw water is prevented from flowing along the inner wall, the air pressure balance effect in the tank body is achieved, the water outlet pipe extends into the inner cavity of the tank body, the fact that the water outlet pipe is always mixed with small bubbles is guaranteed, and the water pump cannot be burnt out due to idling of air extraction;
fifthly, the length of the water return pipe of the water purifier in the raw water barrel is longer than that of the original water pipe in the raw water barrel, during installation, the end of the water return pipe extends into the original water, dense water generated by the filtering system does not splash when flowing back to the original water barrel, water surface tension in the original water barrel is changed, continuous raw water in the raw water pipe is made to be transferred by matching with the air-water liquid level control tank, it is ensured that no large-bubble raw water or air residue exists in each pipeline of the filtering system, noise and severe vibration of the water purifier during working are prevented, damage of the water pump and a filtering membrane is avoided, and the service life of the filtering system is prolonged.
Drawings
FIG. 1 is a schematic view of a water purifier according to the prior art;
FIG. 2 is a schematic structural view of a first embodiment of a water purifier according to the present invention;
FIG. 3 is a schematic structural view of a second embodiment of the water purifier according to the present invention;
FIG. 4 is a schematic structural view of a third embodiment of a water purifier according to the present invention;
FIG. 5 is a schematic structural view of a fourth embodiment of a water purifier according to the present invention;
fig. 6 is a flow chart of a method for protecting a water pump of a water purifier according to the present invention.
Description of the main Components
| 1 |
11 |
12 water |
2 |
| 3 |
31 water purifying |
32 |
4 gas-water liquid |
| 41 |
42 |
43 |
431 |
| 432 second water outlet |
Detailed Description
The utility model will be described in more detail below with reference to the accompanying drawings:
the following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the utility model. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
Referring to fig. 1, most of the water purifiers on the market currently pump raw water in a raw water tank 1 directly by a water pump 2 and deliver the raw water to a filter system 3 for filtering, the purified water generated by the filter system 3 is discharged through a purified water pipe 31, and concentrated water flows back to the raw water tank 1 through a water return pipe 32 for recycling, however, when the raw water tank 1 is short of water, the water pump 2 runs idle due to water shortage, which greatly reduces the service life of the water pump 2, meanwhile, when the water pump 2 directly pumps raw water, when the liquid level in the raw water barrel is too low and simultaneously the backflow concentrated water in the return pipe 32 drops on the liquid level of the raw water barrel 1, the tension of the liquid level is changed, so that the water pump 2 can intermittently pump bubbles and the raw water to enter the filtering system 3 for use, the service life of the water pump 2 is shortened, the filter system 3 will also work because of the large amount of large bubbles in the raw water which causes harsh noise and vibration.
Example 1:
referring to fig. 2, in order to solve the defects in the prior art, the utility model provides a water purifier, which comprises a raw water barrel 1, a water suction pump 2, a filtering system 3 and a control component, wherein a gas-water liquid level control tank 4 is installed on a raw water pipe 11, raw water in the raw water barrel 1 is pumped by the water suction pump 2 and collected to the gas-water liquid level control tank 4, then flows to the filtering system 3 for filtering, purified water is generated and discharged through a purified water pipe 31, concentrated water is generated and flows back to the raw water barrel 1 through a water return pipe 32, a water level switch 41 is arranged on the outer wall of a tank body of the gas-water liquid level control tank 4, the control component is a PLC controller, and the PLC controller is respectively in control connection with the induction switch, the water suction pump 2 and the filtering system 3;
the water inlet of the gas-water liquid level control tank 4 is higher than the water level switch 41, and the water level switch 41 is higher than the lowest water outlet of the gas-water liquid level control tank 4;
the height of the water return port of the water return pipe 32 in the raw water barrel 1 is lower than that of the water inlet of the raw water pipe 11 in the raw water barrel 1.
Raw water enters the air-water liquid level control tank 4 through the raw water pipe 11, water splash is splashed from the water inlet, air in the tank is converted into small bubbles and then is mixed with the raw water, and the raw water mixed with the small bubbles is pumped to the filtering system 3 by the water pump 2 to be filtered.
The raw water pipe 11 is also provided with a water quality detection sensor 12, the water purifier also comprises an alarm component, and the water quality detection sensor 12 and the alarm component are respectively connected with the PLC controller in a control way;
the alarm component is a display screen capable of displaying characters, and when the liquid level in the gas-water liquid level control tank is lower than the induction height of the water level switch, characters of 'water shortage alarm' are displayed;
the alarm component may also be a component that is prompted by brightness or sound, such as: when the liquid level in the air-water liquid level control tank is lower than the sensing height of the water level switch, the alarm assembly comprises an alarm signal lamp or a buzzer, and the user is prompted to replace the original bucket by lighting the lamp or sending an alarm sound.
The induction component can also be a float switch arranged on the inner wall of the tank body, and the control component can also be a time delay controller.
Example 2:
referring to fig. 3, the difference between this embodiment and embodiment 1 is that the water inlet of the air-water liquid level control tank 4 extends toward the inner cavity of the tank body to form a water inlet pipe 42, raw water enters the inner cavity of the air-water liquid level control pipe 4 through the water inlet pipe 42, so that the raw water directly drops from the water inlet pipe to splash on the liquid level, air in the tank is converted into small bubbles and then mixed with the raw water, the raw water is prevented from slowly flowing down along the inner cavity wall of the tank body, and the water pump 2 pumps the raw water mixed with the small bubbles to the filtering system 3 for filtering.
Example 3:
referring to fig. 4, the difference between this embodiment and embodiment 1 is that a water outlet of the gas-water liquid level control pipe 4 extends toward an inner cavity of the tank body to form a water outlet pipe 43, an end of the water outlet pipe 43 located in the inner cavity of the tank body is closed, a first water outlet 431 and a second water outlet 432 are respectively formed through the water outlet pipe 43, and the water level switch 41 is located between the first water outlet 431 and the second water outlet 432;
the sectional areas of the first water outlet 431 and the second water outlet 432 are the same, the sum of the sectional areas of the two water outlets is equal to the sectional area of the water outlet pipe 43, and the sectional area of a single water outlet is one half of the sectional area of the water outlet pipe.
Example 4:
referring to fig. 5, the present embodiment is different from embodiment 1 in that a water inlet of the gas-water liquid level control tank 4 extends toward an inner cavity of the tank body to form a water inlet pipe 42, raw water enters the inner cavity of the gas-water liquid level control pipe 4 through the water inlet pipe 42, a water outlet of the gas-water liquid level control pipe 4 extends toward the inner cavity of the tank body to form a water outlet pipe 43, an end of the water outlet pipe 43 located in the inner cavity of the tank body is sealed, the water outlet pipe 43 is respectively provided with a first water outlet 431 and a second water outlet 432 in a penetrating manner, and the water level switch 41 is located between the first water outlet 431 and the second water outlet 432;
the sectional areas of the first water outlet 431 and the second water outlet 432 are the same, the sum of the sectional areas of the two water outlets is equal to the sectional area of the water outlet pipe 43, and the sectional area of a single water outlet is one half of the sectional area of the water outlet pipe.
The utility model provides a water pump protection method of a water purifier, which specifically comprises the following steps:
starting a main switch of the water purifier;
the control assembly controls the water pump to start;
thirdly, after 10 seconds, the sensing assembly judges whether the water level in the gas-water liquid level control tank reaches the sensing height, if so, the next step is carried out; if not, skipping to the step sixteenth;
fourthly, the device pumps water normally and performs filtering work;
the induction assembly judges whether the water level in the gas-water liquid level control tank is lower than the induction height or not, and if not, the fourth step is executed; if yes, skipping to the step sixteenth;
sixthly, the PLC controls the water suction pump and the filtering system to stop, and controls the alarm component to give an alarm;
and (5) after the user replaces the raw water barrel or replenishes raw water, pressing a reset button, and returning to the step (a).
After the water level in the pipe is detected to reach the induction height, the water quality detection sensor detects the water quality in the pipe, whether the water quality in the pipe is lower than the set water quality is judged, and if not, the fourth step is executed; if yes, jumping to the step sixteenth.
The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (8)
1. A water purifier is characterized by comprising a raw water bucket, a water suction pump, a filtering system and a control assembly, wherein the water suction pump sucks raw water in the raw water bucket, the raw water enters the filtering system for filtering, purified water is generated and is discharged through a purified water pipe, concentrated water is generated and flows back to the raw water bucket through a water return pipe, an air-water liquid level control tank is vertically installed on the raw water pipe, an induction switch is arranged on the air-water liquid level control tank, and the control assembly is respectively in control connection with the induction switch and the water suction pump;
the height of the water outlet of the water return pipe is lower than that of the water inlet of the raw water pipe.
2. The water purifier of claim 1, wherein the water inlet of the gas-water level control tank is higher than the inductive switch, and the inductive switch is higher than the lowest water outlet of the gas-water level control tank.
3. The water purifier of claim 1, wherein the water inlet of the gas-water level control tank extends into the inner cavity of the tank body to form a water inlet pipe.
4. The water purifier of claim 1, wherein the water outlet of the gas-water liquid level control tank extends into the inner cavity of the tank body to form a water outlet pipe, the end part of the water outlet pipe positioned in the inner cavity of the tank body is sealed, the water outlet pipe is respectively provided with a first water outlet and a second water outlet in a penetrating way, and the inductive switch is positioned between the first water outlet and the second water outlet.
5. The water purifier of claim 4, wherein the sum of the cross-sectional areas of the first water outlet and the second water outlet is greater than or equal to the cross-sectional area of the water outlet pipe.
6. The water purifier according to claim 1, wherein the inductive switch is either a water level switch disposed on an outer wall of the tank or a float switch built in an inner wall of the tank.
7. The water purifier according to claim 1, further comprising an alarm component, wherein the raw water pipe is further provided with a water quality detection sensor, and the alarm component and the water quality detection sensor are respectively in control connection with the control component.
8. The water purifier according to claim 1 or 7, wherein the control component is either a PLC controller or a time relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120133984.6U CN216135665U (en) | 2021-01-18 | 2021-01-18 | Water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120133984.6U CN216135665U (en) | 2021-01-18 | 2021-01-18 | Water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216135665U true CN216135665U (en) | 2022-03-29 |
Family
ID=80797809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120133984.6U Active CN216135665U (en) | 2021-01-18 | 2021-01-18 | Water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216135665U (en) |
-
2021
- 2021-01-18 CN CN202120133984.6U patent/CN216135665U/en active Active
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