CN118258970A - Water quality detection system - Google Patents

Abstract

The invention discloses a water quality detection system, which comprises a central control system and water quality detection equipment which are electrically connected, wherein the water quality detection equipment is communicated with a water inlet pipeline and a water outlet pipeline which are used for being connected with a water inlet end and a water outlet end of water purification equipment, the water inlet pipeline is provided with a water inlet switch, the water outlet pipeline is provided with a water outlet switch, and when the water inlet switch or the water outlet switch is opened, the water quality detection equipment acquires water quality data of water inlet or water quality data of water outlet of the water purification equipment and transmits the water quality data to the central control system; the central control system judges the water quality and the water purifying equipment according to the water quality data of the inlet water and the water quality data of the outlet water, judges whether the water quality and the water purifying equipment are qualified or not, and sends an instruction to the user terminal according to the judgment so as to prompt a user. The invention can solve the problems that the existing water quality detection needs manual off-line test, the water quality test is inconvenient, the water quality data cannot be continuously obtained, and for the water purifying equipment, a user cannot confirm the water purifying condition of the water purifying equipment under long-term use and the cleaning and health of household water cannot be ensured.

Description

Water quality detection system

Technical Field

The invention belongs to the technical field of water purification detection, and particularly relates to a water quality detection system.

Background

Water pollution is one of the main problems that endanger human health, and pollutants such as heavy metals, chemical substances, bacteria and the like affect water quality, and endanger human and environment, and harmful substances such as lead, mercury, fluoride and the like may exist in tap water in some areas, and the substances may have negative effects on health, so that it is important to ensure the safety of water.

There are some detecting instruments on the market for detecting the quality of water. Most of off-line tests are inconvenient for testing the water quality of household water, water quality data are difficult to obtain continuously, and users cannot guarantee the cleanliness and health of the household water.

The existing household can use the water purifying equipment to ensure water health, but after the filter element is used for a long time, a user cannot ensure the water quality of the water discharged by the water purifying equipment, so that the user cannot maintain and overhaul the water purifying equipment in time.

Disclosure of Invention

The invention aims to provide a water quality detection system, which solves the technical problems that in the prior art, manual off-line test is needed in water quality detection, the water quality test is inconvenient, water quality data cannot be continuously obtained, a user cannot confirm the water purifying condition of water purifying equipment, and the user cannot guarantee the cleaning and health of household water after long-term use.

The technical scheme adopted for solving the technical problems is as follows:

The invention discloses a water quality detection system, which comprises a central control system and water quality detection equipment which are electrically connected;

The water quality detection equipment is communicated with a water inlet pipeline which is used for being connected with the water inlet end of the water purification equipment, a water inlet switch is arranged in the water inlet pipeline, and when the water inlet switch is opened, the water quality detection equipment acquires water quality data of water inlet of the water purification equipment and transmits the water quality data of water inlet to the central control system;

The water quality detection equipment is communicated with a water outlet pipeline which is used for being connected with the water outlet end of the water purification equipment, a water outlet switch is arranged in the water outlet pipeline, when the water outlet switch is opened, the water quality detection equipment acquires water outlet quality data of the water purification equipment and transmits the water outlet quality data to the central control system, the central control system judges the water quality according to the water outlet quality data, judges whether the water quality is qualified or not, and sends an instruction to the user terminal according to the judging result so as to prompt a user;

The central control system judges the water purifying equipment according to the water quality data of the inlet water and the water quality data of the outlet water, judges whether the water purifying equipment is qualified or not, and sends an instruction to the user terminal according to the judging result so as to prompt the user to maintain the water purifying equipment.

The invention has at least the following beneficial effects: the water inlet pipeline and the water outlet pipeline can respectively transmit the water quality of the water inlet end and the water quality of the water outlet end of the connected water purifying equipment to the water quality detection equipment in sequence through the water inlet switch and the water outlet switch, so that the water quality detection equipment can acquire the water quality data of the water inlet and the water quality data of the water outlet of the water purifying equipment.

The central control system can judge the water quality according to the water quality data of the water outlet so as to judge whether the water quality is qualified or not, and send an instruction to the user terminal according to the judging result so as to prompt the user that the water quality at the moment possibly does not accord with the use or drinking standard.

The central control system can judge the water purifying equipment according to the water quality data of the inlet water and the water quality data of the outlet water so as to judge whether the water purifying equipment is qualified or not, and send an instruction to the user terminal according to the judging result to prompt the user that the water purifying equipment cannot effectively purify the water quality at the moment, and the water purifying equipment is required to be maintained.

In the household water pipe network, the central control system can control the water quality detection equipment to directly perform water quality detection without offline manual testing, so that the water quality detection is more convenient, and a user can continuously perform water quality data through the user terminal and the central control system.

As a further improvement of the above technical solution, when the water purifying apparatuses are provided with a plurality of water purifying apparatuses, the plurality of water purifying apparatuses include a front-end water purifier, a middle-end water purifier and a rear-end water purifier which are sequentially connected along the tap water purifying sequence;

The water quality detection equipment is communicated with a first detection pipeline, the first detection pipeline comprises a water outlet pipeline used for being connected with a front-end water purifier and a water inlet pipeline used for being connected with a middle-end water purifier, a first valve is arranged in the first detection pipeline, and when the first valve is opened, the water quality detection equipment acquires first water quality data and transmits the first water quality data to the central control system;

The water quality detection equipment is communicated with a second detection pipeline, the second detection pipeline comprises a water outlet pipeline used for being connected with the middle-end water purifier and a water inlet pipeline used for being connected with the rear-end water purifier, a second valve is arranged in the second detection pipeline, and when the second valve is opened, the water quality detection equipment acquires second water quality data and transmits the second water quality data to the central control system;

The water quality detection equipment is communicated with a third detection pipeline, the third detection pipeline comprises a water outlet pipeline which is used for being connected with the rear-end water purifier, a third valve is arranged in the third detection pipeline, and when the third valve is opened, the water quality detection equipment acquires third water quality data and transmits the third water quality data to the central control system.

Through the arrangement, when a user installs a plurality of water purifying devices in a household water pipe network, the water quality detection system can carry out water quality detection and analysis of the water purifying devices on the water inlet ends and the water outlet ends of the plurality of water purifying devices.

The water quality detection equipment respectively obtains first water quality data, second water quality data and third water quality data through the first detection pipeline, the second detection pipeline and the third detection pipeline, and the first water quality data, the second water quality data and the third water quality data can be respectively provided for a central control system to check whether the water quality of the outlet water of each water purification equipment can meet the water quality requirements of users under different water demands or not, and the central control system can judge whether the middle-end water purifier and the rear-end water purifier are qualified or not through the first water quality data, the second water quality data and the third water quality data.

As a further improvement of the technical scheme, the water quality detection equipment is communicated with a raw water pipeline, the raw water pipeline is used for being communicated with a communication pipeline of a water inlet end of the front-end water purifier and a tap water pipe, a raw water valve is arranged in the raw water pipeline, when the raw water valve is opened, the water quality detection equipment acquires tap water quality data and transmits the tap water quality data to the central control system, and the tap water quality data is water inlet quality data of the front-end water purifier.

Through the arrangement, the raw water pipeline connected with the water inlet end of the front-end water purifier can convey tap water to the water quality detection equipment so as to obtain accurate tap water quality data, and the central control system can accurately judge whether the front-end water purifier needs maintenance or not according to the tap water quality data and the first water quality data.

As a further improvement of the technical scheme, the central control system is provided with an interval time, and when the water quality detection equipment acquires the tap water quality data, the first water quality data or the second water quality data, the central control system opens the first valve, the second valve or the third valve after the interval time so that the water quality detection equipment acquires the first water quality data, the second water quality data or the third water quality data.

Through the arrangement, taking the front-end water purifier as an example, after the water quality detection equipment acquires tap water quality data, the central control system opens the first valve after the interval time is exceeded, so that the water quality detection equipment can discharge residual water quality as much as possible in the interval time, and the situation that the residual water quality influences the authenticity of a first water quality data result when the water quality detection equipment acquires the first water quality data is avoided.

As a further improvement of the above technical solution, the central control system is provided with a working time, and when the opening time of the raw water valve, the first valve, the second valve or the third valve exceeds the working time, the central control system controls the raw water valve, the first valve, the second valve or the third valve to be closed, and the water quality detection device obtains the tap water quality data, the first water quality data, the second water quality data or the third water quality data in the liquid with slow flow inside.

By the arrangement, taking the front-end water purifier as an example, the central control system opens the raw water valve and the opening time exceeds the working time, so that the tap water input by the raw water pipeline is continuously replaced after the water quality detection equipment is filled with tap water, and residual water quality is flushed, and the influence on the authenticity of the water quality data of the tap water is avoided. When the opening time of the raw water valve exceeds the working time, the central control system controls the raw water valve to be closed, so that the water quality detection equipment can stably acquire the water quality data of tap water in the liquid which slowly flows in the water quality detection equipment.

As a further improvement of the technical scheme, the water quality detection system further comprises a flowmeter connected to the water outlet end of the water purification equipment, the flowmeter is electrically connected with the central control system, the central control system is provided with preset time, and if the preset time interval or the detection flow of the flowmeter in the preset time interval is zero, the central control system controls the water quality detection equipment to acquire the water quality data of the water inlet and the water quality data of the water outlet of the water purification equipment.

Through the setting, the central control system is provided with the preset time, and the central control system is enabled to automatically start the water quality detection equipment through the preset time, so that the water quality detection equipment detects the inlet water quality and the outlet water quality of the water purification equipment, and the water quality detection system is more intelligent to use. For some water purifying devices, the central control system can start the water quality detection device every time a preset time is needed to judge the water quality and the water purifying effect of the water outlet end of the water purifying device at regular time, so that the water use health of a user is ensured. For other water purifying devices, the water outlet end of the water purifying device is connected with a flowmeter electrically connected with the central control system, the flowmeter transmits a flow signal detected by the water outlet end of the water purifying device to the central control system, and if the central control system still does not receive the flow signal sent by the flowmeter within a preset time, the central control system controls the water quality detection device to start. Because the water quality detection equipment consumes part of the water quality purified by the water purification equipment, the water quality purified by the water purification equipment can be updated, and the water quality is prevented from becoming night water or old water with higher total soluble fixed matter content.

As a further improvement of the above technical solution, the central control system is in communication connection with the user terminal, the central control system is provided with a storage module, the user terminal obtains a first user instruction and sends the first user instruction to the central control system, and the central control system receives the first user instruction and regulates and controls the interval time and the working time according to the first user instruction.

Through the setting, the user sends a first user instruction to the user terminal so as to remotely control and adjust the interval time and the working time.

As a further improvement of the technical scheme, the central control system comprises a man-machine interaction system, wherein the man-machine interaction system is used for acquiring a second user instruction, and determining the working time and the interval time according to the second user instruction.

Through the setting, a user can set a second user instruction in the man-machine interaction system so as to set and adjust the working time and the interval time on site.

As a further improvement of the technical scheme, the water quality detection system further comprises a warning module which is respectively in communication connection with the central control system and the user terminal, when the central control system judges that the water purification equipment is unqualified, the central control system sends a driving signal to the warning module, and the warning module receives the driving signal, generates a warning signal and sends a prompting signal to the user terminal so as to prompt a user.

Through the arrangement, when the central control system judges that the water purification equipment is unqualified, the central control system sends a driving signal to the warning module, the warning module generates a warning signal after receiving the driving signal so as to prompt a user on site to maintain the water purification equipment, and the warning module also sends a prompting signal to the user terminal so that the user who is not on site can know that the water purification equipment needs to be maintained through the user terminal.

As a further improvement of the above technical scheme, the third detection pipelines are provided with a plurality of rear end water purifiers, when the rear end water purifiers are provided with a plurality of rear end water purifiers, the plurality of rear end water purifiers are connected in parallel with the water outlet end of the middle end water purifier, and the plurality of third detection pipelines are respectively connected to the water outlet ends of the rear end water purifiers in a one-to-one correspondence mode.

Through the setting, a plurality of rear end water purifiers can satisfy the different water demands of user respectively, and a plurality of third detection pipelines correspond a plurality of rear end water purifiers respectively and set up to make the well accuse system can judge whether the water purification effect of every rear end water purifier is qualified respectively.

Drawings

The invention is further described below with reference to the drawings and examples;

FIG. 1 is a schematic view of a structural framework of a water quality testing system according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a regulatory communication framework of a water quality detection system according to an embodiment of the present invention;

Fig. 3 is a schematic diagram of a frame of an alarm module according to an embodiment of the invention.

The figures are marked as follows:

100. A central control system;

200. A water quality detection device;

300. A water purifying device; 310. a front-end water purifier; 320. a middle-end water purifier; 330. a rear water purifier;

400. a user terminal;

500. A man-machine interaction system;

610. A raw water pipeline; 611. a raw water valve; 620. a first detection pipeline; 621. a first valve; 630. a second detection pipeline; 631. a second valve; 640. a third detection pipeline; 641. a third valve;

700. and a warning module.

Detailed Description

Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.

In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, if there is a word description such as "a plurality" or the like, the meaning of the plurality is one or more, the meaning of the plurality is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and above, below, within, etc. are understood to include the present number. The description of first, second, and third is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 3, several embodiments of the water quality detection system according to the present invention are described below.

As shown in fig. 1 to 3, the water quality detection system according to the embodiment of the present invention includes a central control system 100 and a water quality detection device 200 electrically connected to each other, so that the water quality detection device 200 transmits acquired water quality data to the central control system 100.

It can be understood that the water quality detecting system includes a water inlet pipe, one end of the water inlet pipe is connected to the water quality detecting device 200, the other end is connected to the water inlet end of the water purifying device 300, a water inlet switch is disposed in the water inlet pipe, when the water inlet switch is opened, a solution at the water inlet end of the water purifying device 300 can flow to the water quality detecting device 200, so that the water quality detecting device 200 obtains water quality data of water entering the water purifying device 300, and the water quality detecting device 200 transmits the water quality data of water entering to the central control system 100, as shown in fig. 2.

It can be understood that the water quality detecting system includes a water outlet pipeline, one end of the water outlet pipeline is connected to the water quality detecting device 200, the other end is connected to the water outlet end of the water purifying device 300, a water outlet switch is disposed in the water outlet pipeline, when the water outlet switch is opened, the solution at the water outlet end of the water purifying device 300 can flow to the water quality detecting device 200, so that the water quality detecting device 200 obtains the water quality data of the water purifying device 300, and the water quality detecting device 200 transmits the water quality data of the water to the central control system 100, as shown in fig. 2.

So configured, the central control system 100 can determine the water quality according to the effluent water quality data, determine whether the water quality is qualified, and send an instruction to the central control system 100 according to the determination result, and the user terminal 400 receives the instruction to remind the user, as shown in fig. 2.

It will be appreciated that the central control system 100 may obtain a user's health water standard, which defines the contents of heavy metals, chemicals, bacteria, etc. in the solution, through the communication network or the user terminal 400.

In this embodiment, the standard that the central control system 100 determines whether the water quality is acceptable is that the effluent water quality data is compared with the clean water standard of the user, and whether one or more items in the effluent water quality data exceeds the content set by the healthy water standard is compared.

If the water quality exceeds the preset water quality, the central control system 100 judges that the water quality is unqualified, the central control system 100 sends out an instruction, and the user terminal 400 receives the instruction to remind the user that the water is unhealthy.

In this embodiment, the central control system 100 determines the water purifying apparatus 300 according to the water quality data of the water outlet and the water quality data of the water inlet, determines whether the water purifying apparatus 300 is qualified, and according to the determination result, the user terminal 400 receives the instruction sent by the central control system 100 to prompt the user to maintain the water purifying apparatus 300.

It can be understood that the standard of the central control system 100 for judging whether the water purifying apparatus 300 is qualified is that the inflow water quality data and the outflow water quality data are compared and analyzed, whether the contents of heavy metals, chemical substances and bacteria in the outflow water quality data are smaller than the inflow water quality data or not is compared, and whether the content of the purified water quality is lower than the preset content or not.

If not, the central control system 100 judges that the water purifying device 300 is not qualified, the central control system 100 sends out an instruction, and the user terminal 400 receives the instruction to prompt a user to maintain the water purifying device 300 so as to ensure the purification requirement of the water purifying device 300 on water quality.

It is understood that the maintenance of the water purifying apparatus 300 may be the cleaning of the water purifying apparatus 300 and the replacement of the filter element.

It can be appreciated that the water quality detection device 200 can directly obtain the water quality data of the inlet water and the water quality data of the outlet water, without performing an in-line test manually, so that the water quality detection is simpler and more convenient, and the obtained water quality data of the inlet water and the obtained water quality data of the outlet water contain various contents of the solution, so that the water quality detection is more comprehensive; the water quality detection device 200 can continuously acquire water quality data of water inlet and water quality data of water outlet through the water inlet switch and the water outlet switch which are opened by the central control system 100, so that the water use health of a user is ensured.

It can be understood that, when the water quality detection system is applied to a domestic tap water pipeline, the water outlet pipeline can be directly connected to the domestic tap water pipeline, so that the water quality detection device 200 can obtain tap water quality data after the water outlet switch is turned on, and transmit the tap water quality data to the central control system 100, and a user can send an instruction to the central control system 100 through the user terminal 400 to call out the tap water quality data in the central control system 100, so that the user can conveniently view the domestic tap water quality data.

Further, in the central control system 100, tap water standard data is input through the user terminal 400 or the communication network, when the central control system 100 obtains tap water quality data obtained by the water quality detection device 200, the central control system 100 compares the tap water quality data with the tap water standard data to determine whether the tap water of a household meets the use standard, and according to the determination result, the central control system 100 sends out an instruction, and the user terminal 400 receives the instruction to remind the user that the content of the tap water used currently exceeds the standard, so that the user can purchase the water purification device 300 in time or find out the cause of serious tap water pollution.

In some embodiments, a user not only uses one water purifying device 300, but also sets a plurality of water purifying devices 300 according to the use situations, so as to respectively meet the use requirements of toilet flushing, article cleaning, user drinking and the like in daily life, and avoid the problems of water waste and reduced service life of the water purifying device 300 caused by using purified water which can be directly drunk for toilet flushing.

It is understood that the plurality of water purifying apparatuses 300 may be mutually communicated to sequentially purify tap water, thereby improving the water purifying effect of the water purifying apparatus 300 and prolonging the service life of a part of the precise water purifying apparatus 300. The plurality of water purifying devices 300 are formed with a water purifying pipe network, and the water purifying pipe network comprises a front-end water purifier 310, a middle-end water purifier 320 and a rear-end water purifier 330 which are sequentially connected along the tap water purifying sequence, wherein the front-end water purifier 310, the middle-end water purifier 320 and the rear-end water purifier 330 are respectively responsible for filtering different types of substances so as to meet the use requirements of users in various use scenes.

In this embodiment, the water quality detection system includes a first detection pipeline 620 connected to the water quality detection apparatus 200, as shown in fig. 1, the other end of the first detection pipeline 620 is connected between the front-end water purifier 310 and the middle-end water purifier 320, i.e. the first detection pipeline 620 may be a water outlet pipeline connected to the front-end water purifier 310 or a water inlet pipeline connected to the middle-end water purifier 320.

It is to be understood that the first valve 621 is disposed in the first detecting pipeline 620, as shown in fig. 1, the first valve 621 is equivalent to a water outlet switch connected to a water outlet pipeline of the front-end water purifier 310 and is equivalent to a water inlet switch connected to a water inlet pipeline of the middle-end water purifier 320. When the central control system 100 controls the first valve 621 to be opened, the water quality detecting apparatus 200 may acquire first water quality data and transmit the first water quality data to the central control system 100.

So configured, the first water quality data acquired by the central control system 100 is actually the water quality data of the water outlet of the front-end water purifier 310 and the water quality data of the water inlet of the middle-end water purifier 320, and the central control system 100 determines, according to the first water quality data, the water quality purified by the front-end water purifier 310, whether the water quality purification performed by the front-end water purifier 310 can meet the basic water requirement of the user.

In some embodiments, the front-end water purifier 310 is a pre-filter, and the pre-filter can be used to remove sediment, rust, a large amount of calcium ions, magnesium ions and the like contained in water, so as to avoid the phenomenon that calcified scale is easy to appear when people flush a toilet or a squatting pan with the water containing calcium ions and magnesium ions for a long time, and the calcified scale is difficult to clean, affects the beauty and is easy to grow bacteria.

In this embodiment, the water quality detection system includes a second detection pipeline 630 connected to the water quality detection device 200, as shown in fig. 1, the other end of the second detection pipeline 630 is connected between the middle-end water purifier 320 and the rear-end water purifier 330, i.e. the second detection pipeline 630 may be a water outlet pipeline connected to the middle-end water purifier 320 or a water inlet pipeline connected to the rear-end water purifier 330.

It is understood that the second valve 631 is disposed in the second detection pipeline 630, as shown in fig. 1, the second valve 631 is equivalent to a water outlet switch connected to a water outlet pipeline of the middle-end water purifier 320, and is equivalent to a water inlet switch connected to a water inlet pipeline of the rear-end water purifier 330. When the central control system 100 controls the second valve 631 to open, the water quality detecting apparatus 200 may acquire the second water quality data and transmit the second water quality data to the central control system 100.

So configured, the second water quality data acquired by the central control system 100 is actually the water quality data of the water outlet of the middle-end water purifier 320 and the water quality data of the water inlet of the rear-end water purifier 330, and the central control system 100 determines, according to the second water quality data, the water quality purified by the middle-end water purifier 320, whether the water quality purification performed by the middle-end water purifier 320 can meet the domestic water requirement of the user.

In some embodiments, the middle-end water purifier 320 is a central water purifier, and the central water purifier can be used for removing chlorine, heavy metals, bacteria, viruses and the like contained in water quality so as to deeply purify household water, ensure water health of users, and facilitate cleaning of vegetables and fruits and the like by the users.

Further, the central control system 100 judges the central water purifier 320 according to the first water quality data and the second water quality data, judges whether the water purifying effect of the central water purifier 320 is qualified, if the judging result is that the water purifying effect is not qualified, the central control system 100 sends out an instruction, and the user terminal 400 receives the instruction to remind the user to perform maintenance such as filter element replacement on the central water purifier 320.

In this embodiment, the water quality detection system includes a third detection pipeline 640 connected to the water quality detection apparatus 200, as shown in fig. 1, the other end of the third detection pipeline 640 is connected to the water outlet end of the back-end water purifier 330, i.e. the third detection pipeline 640 is a water outlet pipeline connected to the water outlet end of the back-end water purifier 330.

It is to be understood that the third valve 641 is disposed in the third detection pipeline 640, and as shown in fig. 1, the third valve 641 is equivalent to a water outlet switch connected to a water outlet pipeline of the back-end water purifier 330. When the central control system 100 controls the third valve 641 to be opened, the water quality detection apparatus 200 may acquire third water quality data and transmit the third water quality data to the central control system 100.

So configured, the third water quality data acquired by the central control system 100 is actually the water quality data of the water outlet of the back-end water purifier 330, and the central control system 100 determines, according to the third water quality data, the water quality purified by the back-end water purifier 330, whether the water quality purification performed by the back-end water purifier 330 can meet the special water repair requirement of the user.

In some embodiments, the back-end water purifier 330 is a reverse osmosis water purifier that utilizes reverse osmosis technology to treat water quality so that it becomes purer and is convenient for users to drink directly.

Further, the central control system 100 judges the back-end water purifier 330 according to the second water quality data and the third water quality data, judges whether the water purifying effect of the back-end water purifier 330 is qualified, if the judging result is that the water purifying effect is not qualified, the central control system 100 sends out an instruction, and the user terminal 400 receives the instruction to remind the user to perform maintenance such as filter element replacement on the back-end water purifier 330.

It will be appreciated that the water inlet end of the front-end water purifier 310 communicates with a tap water pipe that delivers tap water to the water inlet end of the front-end water purifier 310.

In this embodiment, the water quality detecting apparatus 200 is connected to a raw water pipeline 610, as shown in fig. 1, the other end of the raw water pipeline 610 is connected between the water inlet end of the front-end water purifier 310 and the tap water pipe, i.e. the raw water pipeline 610 is a water inlet pipeline connected to the water inlet end of the front-end water purifier 310.

It is understood that the raw water pipeline 610 is provided with a raw water valve 611, and as shown in fig. 1, the raw water valve 611 corresponds to a water inlet switch connected to the water inlet pipeline of the front-end water purifier 310. When the central control system 100 controls the raw water valve 611 to be opened, the water quality detecting apparatus 200 may acquire the tap water quality data and transmit the tap water quality data to the central control system 100.

So configured, the tap water quality data acquired by the central control system 100 is actually the water quality data of the front-end water purifier 310, and the central control system 100 can judge the water quality of tap water according to the tap water quality data and tap water standard data, so as to judge whether the tap water entering the home meets the sanitary standard of domestic drinking water (GB 5749-2022).

Further, the central control system 100 judges the front-end water purifier 310 according to the tap water quality data and the first water quality data, judges whether the water purifying effect of the front-end water purifier 310 is qualified, if the judging result is that the front-end water purifier 310 is not qualified, the central control system 100 sends out an instruction, and the user terminal 400 receives the instruction to remind the user to maintain the front-end water purifier 310.

It will be appreciated that since the front-end water purifier 310 is a prefilter, the prefilter is consumable-free and therefore maintenance of the prefilter is back flushing. When the central control system 100 judges that the front-end water purifier 310 is not qualified, the central control system 100 sends out an instruction, and the user terminal 400 receives the instruction to remind a user to start a back flushing function on the front-end water purifier 310, so that the water purifying effect of the front-end water purifier 310 is ensured.

Further, the central control system 100 is provided with a backwash time. When the central control system 100 determines that the front-end water purifier 310 is not qualified, the central control system 100 may automatically turn on the backwash function of the front-end water purifier 310 and perform the function for the backwash time. After the front-end water purifier 310 completes maintenance, the central control system 100 may send an instruction to the front-end water purifier 310 to prompt the user that the front-end water purifier 310 has completed maintenance.

In general, the water quality detecting apparatus 200 sequentially detects the water quality data of the running water, the first water quality data, the second water quality data, and the third water quality data in the running water purification order.

It will be appreciated that the central control system 100 is provided with an interval. When the water quality detection device 200 obtains the tap water quality data and the interval time is exceeded, the central control system 100 opens the first valve 621, so that the water quality at the water outlet end of the front-end water purifier 310 flows to the water quality detection device 200 through the first detection pipeline 620, so as to obtain the first water quality data.

So set up, in the interval time, the water quality that originally flows in through the water inlet line who connects front end water purifier 310 in the water quality testing equipment 200 can flow out completely, ensures when first valve 621 opens, the water quality that connects the water outlet line inflow of front end water purifier 310 can be full of in water quality testing equipment 200 completely to make water quality testing equipment 200 can accurately acquire first quality of water data.

Similarly, when the water quality detecting apparatus 200 acquires the first water quality data or the second water quality data and the interval time is exceeded, the central control system 100 opens the second valve 631 or the third valve 641 to enable the water quality detecting apparatus 200 to acquire the second water quality data or the third water quality data.

It will be appreciated that the central control system 100 is provided with an operating time.

So set up, when the central control system 100 controls the raw water valve 611 to open, the central control system 100 can make the opening time of the raw water valve 611 exceed the set working time, ensure that tap water continuously enters the water quality detection device 200 through the raw water pipeline 610 and the raw water valve 611, wash out the residual water quality in the water quality detection device 200, ensure that the tap water quality data acquired by the water quality detection device 200 is accurate, and avoid deviation of the tap water quality data caused by influence of other water qualities.

Further, when the opening time of the raw water valve 611 exceeds the set working time, the central control system 100 controls the raw water valve 611 to be closed, and at this time, the tap water slowly flows in the water quality detection device 200, so that the water quality detection device 200 can obtain the tap water quality data.

Similarly, when the water quality detecting apparatus 200 is used for accurately acquiring the first water quality data, the second water quality data or the third water quality data, the central control system 100 may cause the first valve 621, the second valve 631 or the third valve 641 to be closed after the opening time exceeds the working time.

It is understood that the central control system 100 may set a uniform operation time, and the central control system 100 may set respective operation times for the raw water valve 611, the first valve 621, the second valve 631 and the third valve 641.

In some embodiments, the raw water valve 611, the first valve 621, the second valve 631 and the third valve 641 are all solenoid valves connected to the central control system 100, and the central control system 100 can control the raw water valve 611 to be in an open state by controlling the raw water valve 611 to be energized, and similarly, the first valve 621, the second valve 631 and the third valve 641 are all controlled by the central control system 100 to be in an open state by controlling whether they are energized.

It can be understood that the central control system 100 is communicatively connected to the user terminal 400, the central control system 100 is provided with a storage module, the user terminal 400 obtains a first user instruction and sends the first user instruction to the central control system 100, the central control system 100 receives the first user instruction, and according to the first user instruction, the interval time can be regulated and controlled, and the working time of the raw water valve 611, the first valve 621, the second valve 631 and the third valve 641 can be regulated and controlled.

So configured, the user can remotely set and adjust the interval time and the working time at the user terminal 400, at this time, the first user command is the interval time and the working time set by the user, and the user terminal 400 transmits the set interval time and working time to the central control system 100, so that the central control system 100 controls the power-on time and the power-on time of the raw water valve 611, the first valve 621, the second valve 631 and the third valve 641 according to the interval time and the working time.

In addition, the user can set the back flush time of the front-end water purifier 310 in advance through the user terminal 400, and the user terminal 400 transmits the back flush time to the central control system 100.

In some embodiments, the user terminal 400 may be an electronic device such as a computer, a mobile phone, or the like. When the user terminal 400 is a computer, the central control system 100 can be connected with the computer in a wired or wireless manner; when the user terminal 400 is a mobile phone, the central control system 100 is connected to a computer in a wireless manner.

It can be appreciated that the central control system 100 includes a man-machine interaction system 500, as shown in fig. 2, the man-machine interaction system 500 is configured to obtain a second user instruction, and determine the working time and the interval time of the raw water valve 611, the first valve 621, the second valve 631 and the third valve 641 according to the second user instruction.

Thus, the user can set a second user command on the site of the man-machine interaction system 500, and at this time, the second user command is working time and interval time, and the central control system 100 directly controls the power-on time and power-on time of the raw water valve 611, the first valve 621, the second valve 631 and the third valve 641 according to the working time and interval time set by the man-machine interaction system 500.

It is to be appreciated that the human-machine interaction system 500 includes a touch display screen, keys or other input display device, and the like.

It can be appreciated that when the central control system 100 determines that the water purifying effect of the water purifying apparatus 300 is not acceptable, the central control system 100 may issue an instruction to the man-machine interaction system 500, so that a user can check specific unacceptable water purifying apparatus 300 or water quality data exceeding the standard in the man-machine interaction system 500.

In this embodiment, the operating time is set to 30 seconds and the interval time is set to 3 minutes.

It can be understood that when the central control system 100 determines that the water purifying apparatus 300 is not qualified, the central control system 100 issues an instruction to the user terminal 400. Specifically, the water quality detection system further includes a warning module 700.

In this embodiment, the alert module 700 is communicatively connected to the central control system 100.

So configured, when the central control system 100 determines that the water purifying effect of the water purifying apparatus 300 is not acceptable, the central control system 100 sends a driving signal to the warning module 700, and the warning module 700 receives the driving signal and generates a warning signal.

It is appreciated that the alert module 700 is also in communication with the user terminal 400.

So configured, the alert module 700 sends a prompt signal to the user terminal 400 to alert the user, as shown in fig. 3.

It can be understood that, a sound module or a light module is disposed in the alarm module 700, and when the alarm module 700 receives a driving signal sent by the central control system 100 and generates an alarm signal, the alarm signal can be a sound signal or a light signal to prompt a user on site to perform maintenance on the water purifying apparatus 300.

Further, the warning module 700 may be disposed in the man-machine interaction system 500, after the warning module 700 receives the driving signal, the warning module 700 may generate a warning signal in the form of a message alert in the man-machine interaction system 500 in addition to the sound signal or the light signal, and the man-machine interaction system 500 may obtain a second user instruction for stopping the warning module 700 from generating the warning signal, at this time, the user may learn from the site that the water purifying apparatus 300 needs maintenance and repair, without the warning module 700 generating the warning signal.

It may be appreciated that the alert module 700 sends a prompt signal to the user terminal 400, and the prompt signal may be a ring alert or a message alert of the user terminal 400.

It is to be understood that the back-end water purifiers 330 are provided in plurality, the plurality of back-end water purifiers 330 are connected in parallel to the water outlet end of the middle-end water purifier 320, and only one second detection pipeline 630 is provided. Correspondingly, the third detection pipeline 640 is provided with a plurality of detection pipelines, and the detection pipelines are respectively connected to the water outlet ends of the rear-end water purifiers 330 in a one-to-one correspondence manner, so that the water quality detection system is simple in structure, can be connected with a household water purification pipe network more accurately, and avoids missing part of the water purification equipment 300.

In this embodiment, the back-end water purifier 330 includes a water softener, as shown in fig. 1, to soften the flowing water, so that the user can conveniently bath, and the softened water can prevent the skin and hair from being hardened and hardened, and the hair is not easy to be dry, so that the skin is cleaned more thoroughly.

It will be appreciated that the back-end water purifier 330 further includes a reverse osmosis water purifier and a pipeline machine connected in series, as shown in fig. 1, the pipeline machine is used for heating and refrigerating the water purified by the reverse osmosis water purifier to provide hot water and cold water, so as to meet different drinking water demands of people. Because the pipeline machine only heats or refrigerates the water, one end of one third detection pipeline 640 is connected between the reverse osmosis water purifier and the pipeline machine, and only the water outlet end of the reverse osmosis water purifier is required to be subjected to water quality detection.

In this embodiment, the water quality detecting apparatus 200 includes a temperature sensor, a pressure sensor, a hardness sensor, a total soluble solid sensor, a carbon source sensor, a heavy metal sensor, etc. which are respectively connected to the central control system 100, and are respectively used for detecting the temperature, the water pressure, the hardness, the TDS, the carbon content, and the heavy metal content of water quality.

It is understood that the carbon source sensor includes a total organic carbon sensor (TOC), a chemical oxygen demand sensor (COD), and an organic sensor (UV 254) that absorbs ultraviolet light with a wavelength of 254 nm.

It will be appreciated that the temperature and pressure of the water quality, which are relevant parameters for presenting tap water, have no effect on the water quality analysis.

It is understood that although the water quality detecting apparatus 200 is capable of detecting a plurality of items of water quality, the focused water purifying effect of the investigation is different for each water purifying apparatus 300.

If the water softener is mainly used for inspecting whether the hardness of water passing through the water softener is improved, the central control system 100 only needs to compare the water quality data of the water softener with the water quality data of the water outlet water when judging whether the soft water treatment effect of the water softener is qualified, and judges whether the hardness is reduced to a certain extent and is lower than the set value of the hardness, and the TDS and the carbon content are not inspected.

For the central water purifier mainly removing macromolecular impurities, organic matters and the like in water, the central control system 100 only needs to compare the TDS content and the carbon content in the water quality data of the inlet water and the water quality data of the outlet water of the central water purifier.

For the reverse osmosis water purifier, the central control system 100 needs to examine TDS, TOC, COD of water quality, heavy metals and the like.

In this embodiment, with respect to the reverse osmosis water purifier, the user starts the water quality detection system after stopping taking water each time. Specifically, the water outlet end of the reverse osmosis water purifier is connected with a flow meter, the flow meter is connected with the central control system 100, when the flow meter stops for 15 seconds, the central control system 100 starts the water quality detection system, the central control system 100 enables the second valve 631 to be electrified, the electrifying time lasts until the working time, and the central control system 100 enables the second valve 631 to be powered off and closed, so that the water quality detection device 200 obtains the second water quality data.

After the interval time, the central control system 100 makes the third valve 641 connected with the water outlet end of the reverse osmosis water purifier be electrified and the electrifying time lasts to the working time, and the central control system 100 makes the third valve 641 be powered off and closed so that the water quality detection equipment 200 can acquire third water quality data, and the central control system 100 can judge whether the water quality and the water purifying effect of the reverse osmosis water purifier are qualified or not.

Further, the central control system 100 is provided with a first preset time, when the user does not take the water quality purified by the reverse osmosis water purifier within the first preset time, that is, when the flow meter exceeds the first preset time and no flow passes, the central control system 100 controls the water quality detection system to start, so that the water quality detection device 200 can acquire the water quality data of the water inlet and the water quality data of the water outlet of the reverse osmosis water purifier, and the central control system 100 can judge whether the water quality and the water purifying effect of the reverse osmosis water purifier are qualified or not.

In this embodiment, for the central water purifier, the central control system 100 is provided with a second preset time, and when the second preset time passes, the central control system 100 controls the water quality detection system to start, so that the water quality detection device 200 can obtain the water quality data of the inlet water and the water quality data of the outlet water of the central water purifier, so that the central control system 100 can determine whether the water quality and the water purifying effect of the central water purifier are qualified.

In some embodiments, the central control system 100 determines whether the service life of the filter element in the water purification apparatus 300 reaches the preset service life according to the qualification standard of the water purification apparatus 300, if so, the central control system 100 may determine that the water purification apparatus 300 is not qualified, the central control system 100 sends an instruction, and the user terminal 400 receives the instruction to remind the user to perform maintenance such as filter element replacement on the water purification apparatus 300.

In other embodiments, the central control system 100 may set a timed maintenance time.

So configured, when the water purification apparatus 300 has not been maintained for more than a maintenance time, the central control system 100 issues an instruction, and the user terminal 400 receives the instruction to remind the user to perform maintenance such as cleaning on the water purification apparatus 300. The maintenance time can be set to one year, two years, etc.

While the preferred embodiment of the present application has been described in detail, the application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the application, and these modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.

Claims (10)

1. The water quality detection system is characterized by comprising a central control system and water quality detection equipment which are electrically connected;

The water quality detection equipment is communicated with a water inlet pipeline which is used for being connected with the water inlet end of the water purification equipment, a water inlet switch is arranged in the water inlet pipeline, and when the water inlet switch is opened, the water quality detection equipment acquires water quality data of water inlet of the water purification equipment and transmits the water quality data of water inlet to the central control system;

The water quality detection equipment is communicated with a water outlet pipeline which is used for being connected with the water outlet end of the water purification equipment, a water outlet switch is arranged in the water outlet pipeline, when the water outlet switch is opened, the water quality detection equipment acquires water outlet quality data of the water purification equipment and transmits the water outlet quality data to the central control system, the central control system judges the water quality according to the water outlet quality data, judges whether the water quality is qualified or not, and sends an instruction to the user terminal according to the judging result so as to prompt a user;

The central control system judges the water purifying equipment according to the water quality data of the inlet water and the water quality data of the outlet water, judges whether the water purifying equipment is qualified or not, and sends an instruction to the user terminal according to the judging result so as to prompt the user to maintain the water purifying equipment.

2. The water quality detecting system according to claim 1, wherein when the water purifying apparatus is provided in plural, the plural water purifying apparatus includes a front-end water purifier, a middle-end water purifier, and a rear-end water purifier sequentially connected along the tap water purifying order;

The water quality detection equipment is communicated with a first detection pipeline, the first detection pipeline comprises a water outlet pipeline used for being connected with a front-end water purifier and a water inlet pipeline used for being connected with a middle-end water purifier, a first valve is arranged in the first detection pipeline, and when the first valve is opened, the water quality detection equipment acquires first water quality data and transmits the first water quality data to the central control system;

The water quality detection equipment is communicated with a second detection pipeline, the second detection pipeline comprises a water outlet pipeline used for being connected with the middle-end water purifier and a water inlet pipeline used for being connected with the rear-end water purifier, a second valve is arranged in the second detection pipeline, and when the second valve is opened, the water quality detection equipment acquires second water quality data and transmits the second water quality data to the central control system;

The water quality detection equipment is communicated with a third detection pipeline, the third detection pipeline comprises a water outlet pipeline which is used for being connected with the rear-end water purifier, a third valve is arranged in the third detection pipeline, and when the third valve is opened, the water quality detection equipment acquires third water quality data and transmits the third water quality data to the central control system.

3. The water quality detection system according to claim 2, wherein the water quality detection device is communicated with a raw water pipeline, the raw water pipeline is used for being communicated with a communicating pipeline of a water inlet end of the front-end water purifier and a tap water pipe, a raw water valve is arranged in the raw water pipeline, when the raw water valve is opened, the water quality detection device acquires tap water quality data and transmits the tap water quality data to the central control system, and the tap water quality data is water inlet quality data of the front-end water purifier.

4. The water quality detection system of claim 3, wherein the central control system is provided with an interval time, and when the water quality detection device acquires the tap water quality data, the first water quality data or the second water quality data, the central control system opens the first valve, the second valve or the third valve after the interval time, so that the water quality detection device acquires the first water quality data, the second water quality data or the third water quality data.

5. The water quality detection system according to claim 4, wherein the central control system is provided with an operating time, and when the opening time of the raw water valve, the first valve, the second valve or the third valve exceeds the operating time, the central control system controls the raw water valve, the first valve, the second valve or the third valve to be closed, and the water quality detection device acquires the tap water quality data, the first water quality data, the second water quality data or the third water quality data from the liquid flowing slowly inside.

6. The water quality detection system according to claim 1 or 5, further comprising a flowmeter connected to the water outlet end of the water purifying device, wherein the flowmeter is electrically connected to the central control system, the central control system is provided with a preset time, and if the preset time interval or the detected flow rate of the flowmeter in the preset time interval is zero, the central control system controls the water quality detection device to acquire the water quality data of the water inlet and the water quality data of the water outlet of the water purifying device.

7. The water quality detection system according to claim 6, wherein the central control system is in communication connection with the user terminal, the central control system is provided with a storage module, the user terminal obtains a first user instruction and sends the first user instruction to the central control system, the central control system receives the first user instruction, and the interval time and the working time are regulated and controlled according to the first user instruction.

8. The water quality testing system of claim 6, wherein the central control system comprises a human-computer interaction system, wherein the human-computer interaction system is configured to obtain a second user instruction, and determine the working time and the interval time according to the second user instruction.

9. The water quality detection system according to claim 1, further comprising a warning module, wherein the warning module is respectively in communication connection with the central control system and the user terminal, and when the central control system judges that the water purification equipment is not qualified, the central control system sends a driving signal to the warning module, and the warning module receives the driving signal, generates a warning signal and sends a prompt signal to the user terminal to prompt a user.

10. The water quality detection system according to claim 2, wherein the third detection pipelines are provided with a plurality of rear-end water purifiers, when the rear-end water purifiers are provided with a plurality of rear-end water purifiers, the plurality of rear-end water purifiers are connected in parallel to the water outlet end of the middle-end water purifier, and the plurality of third detection pipelines are respectively connected to the water outlet end of each rear-end water purifier in a one-to-one correspondence manner.