WO2015154252A1

WO2015154252A1 - Water quality detection device and detection system

Info

Publication number: WO2015154252A1
Application number: PCT/CN2014/074991
Authority: WO
Inventors: 理查德珍·玛丽·比丽尔
Original assignee: 深圳市祥涛瑞杰贸易有限公司
Priority date: 2014-04-09
Filing date: 2014-04-09
Publication date: 2015-10-15

Abstract

A water quality detection device and water quality detection system; the water quality detection device (10) comprises a club-shaped casing (201), one or more water quality sensors (101) disposed at the end of the club-shaped casing (201), and a first microprocessing chip (102) and a wireless transmission circuit (103) disposed within the club-shaped casing; the input end of the first microprocessing chip (102) is connected to the output end of the water quality sensors (101), and the output end of the first microprocessing chip (102) is connected to the wireless transmission circuit (103); the first microprocessing chip (102) converts a signal transmitted by the water quality sensors (101) into water quality information, and transmits the water quality information to a mobile terminal (20) via the wireless transmission circuit (103). Compared with the prior art, the device has a simpler structure and is more convenient to carry; when using the device, a person only needs to activate the water quality detection device and put the water quality sensors of the water quality detection device into the water, and the water quality detection device automatically detects the water quality, and transmits the water quality information to the mobile terminal, facilitating users.

Description

Water quality detecting device and detecting system

Technical field

The invention relates to the technical field of water quality detection, in particular to a water quality detecting device and a detection system.

Background technique

Water quality marks the physical properties of water (such as color, turbidity, odor, etc.), the chemical (inorganic and organic content) and the characteristics of organisms (bacteria, microbes, plankton, benthic organisms) and their composition. To assess the quality of water quality, a series of water quality parameters and water quality standards are specified. The decline in water quality can have adverse effects on the human body. For example, the quality of the water in the swimming pool will affect the health of the family. Therefore, it is necessary to check the water quality in the swimming pool frequently to change the water quality immediately. water.

The existing water quality testing devices are usually equipped with hygienic testing institutions or large swimming pools. The structure is complex and requires special analytical instruments or platforms. The home swimming pool cannot be equipped with large and complex testing equipment and systems, so the existing water quality testing The equipment has defects and it is not convenient to check the water quality.

technical problem

The invention aims at a water quality detecting device and a detecting system, and aims to solve the problem that the water quality detecting device in the prior art has a complicated structure and is inconvenient to detect water quality.

Technical solution

The present invention provides a water quality detecting device comprising a rod-shaped housing, one or more water quality sensors disposed at an end of the rod-shaped housing, and a first micro-processing chip disposed inside the rod-shaped housing and wirelessly transmitting Circuit

An input end of the first micro processing chip is connected to an output end of the water quality sensor, and an output end of the first micro processing chip is connected to the wireless transmission circuit;

The first micro-processing chip converts the signal sent by the water quality sensor into water quality information, and then sends the signal to the mobile terminal through the wireless transmission circuit.

The present invention also provides a water quality detecting system comprising the above-described water quality detecting device and a mobile terminal, wherein the mobile terminal displays water quality information transmitted by the water quality detecting device.

Beneficial effect

In the water quality detecting device and the water quality detecting system of the embodiment of the invention, the water quality is measured by the water quality sensor, and the signal of the sensor is converted into water quality information by the micro processing chip, and the water quality information is transmitted to the mobile terminal through the wireless transmission circuit, and the mobile terminal displays Record water quality information. Compared with the prior art, the invention has the advantages of simple structure and portability, and wirelessly transmits information to the mobile terminal, and the user can conveniently and intuitively view the water quality information in the mobile terminal, and only needs to turn on the water quality detecting device when using the water quality detecting device. The water quality sensor is placed in the water, and the water quality testing device will automatically detect the water quality and transmit the water quality information to the mobile terminal for user convenience.

DRAWINGS

1 is a schematic structural view of a water quality detecting device according to an embodiment of the present invention;

2 is a schematic structural diagram of a first micro processing chip in a water quality detecting apparatus according to an embodiment of the present invention;

3 is a schematic structural view of another embodiment of a water quality detecting apparatus according to an embodiment of the present invention;

4 is a schematic cross-sectional view of a water quality detecting device according to an embodiment of the present invention;

Figure 5 is a perspective view of a water quality detecting device according to an embodiment of the present invention;

6 is a schematic structural diagram of a water quality detecting system according to an embodiment of the present invention;

7 is a schematic diagram of water quality information received by a mobile terminal in a water quality detecting system according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of water quality information received by a mobile terminal in a water quality detecting system according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of comparing water quality information received by a mobile terminal in a water quality detecting system according to an embodiment of the present invention with reference values.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The implementation of the present invention will be described in detail below with reference to specific embodiments.

A water quality detecting device 10 according to an embodiment of the present invention, as shown in FIG. 1 , includes a rod-shaped housing 201 , one or more water quality sensors 101 disposed at an end of the rod-shaped housing 201 , and a rod-shaped housing 201 . The first micro-processing chip 102 and the wireless transmission circuit 103; the input end of the first micro-processing chip 102 is connected to the output end of the water quality sensor 101, and the output end of the first micro-processing chip 102 is connected to the The wireless transmission circuit 103 converts the signal transmitted by the water quality sensor 101 into water quality information, and transmits the signal to the mobile terminal 20 through the wireless transmission circuit 103.

Specifically, the water quality sensor 101 includes at least a temperature sensor.

Further, the water quality sensor 101 further includes TDS (Total dissolved Solids, total dissolved solids) sensor, PH sensor or ORP (Oxidation-Reduction One or more of the potential, oxidation-reduction potential sensors. For example, a temperature sensor and a PH sensor are disposed at the end of the rod-shaped housing 201 or a temperature sensor, a TDS sensor, and an ORP sensor or other combination are provided at the end of the rod-shaped housing 201, but a temperature sensor must be included because at various temperatures, various The measured values of the sensors are different and need to be corrected for temperature.

As shown in FIG. 2, the first micro-processing chip 102 includes a signal conditioning unit 1021, an A/D conversion unit 1022, and a data correction unit 1023.

An input end of the signal conditioning unit 1021 is an input end of the first micro processing chip 102, and the signal conditioning unit 1021 converts a signal collected by the water quality sensor 101 into a standard analog signal.

An input end of the A/D conversion unit 1022 is connected to an output end of the signal conditioning unit 1021, and the A/D conversion unit 1022 is configured to convert the standard analog signal into a corresponding digital signal.

An input end of the data correcting unit 1023 is connected to an output end of the A/D converting unit 1022, and the data correcting unit 1023 is configured to correct the digital signal to be converted into water quality information.

The water quality information includes a combination of the detection time and the water temperature and one or more of the TDS value, the pH value, and the ORP value.

Specifically, the wireless transmission circuit 103 may be a module such as a wifi module, a Bluetooth module, an NFC near field communication module, or a mobile network communication module, and wirelessly connect with the mobile terminal 20 by wireless. Preferably, the wireless transmission circuit 103 For the Bluetooth module, that is, the wireless connection is made to the mobile terminal 20 by using the Bluetooth method, the Bluetooth module has better transmission security and stability, and can be more conveniently disposed on the water quality detecting device 10 than other wireless transmission mode settings.

As another embodiment of the embodiment of the present invention, referring to FIG. 3, the water quality detecting device 10 further includes a second micro processing chip 104 disposed inside the rod-shaped housing 201 and disposed outside the rod housing 201 a display screen 105 on the wall, an output end of the first micro processing chip 102 is connected to an input end of the second micro processing chip 104, and an output end of the second micro processing chip 104 is connected to the wireless transmission circuit 103 At the input end, the first micro-processing chip 102 transmits the water quality information to the second micro-processing chip 104, and the second micro-processing chip 104 displays the water quality information on the display screen 105, and The water quality information is transmitted to the mobile terminal 20 through the wireless output circuit.

Specifically, as shown in FIG. 4, the rod-shaped housing 201 further includes a first printed circuit board 202, a second printed circuit board 203, and a connector, and the first micro-processing chip 102 is disposed in the first printing. On the circuit board 202, the second micro-processing chip 104 and the wireless transmission circuit 103 are disposed on the second printed circuit board 203, and the first printed circuit board 202 is perpendicular to the axis of the rod-shaped housing 201. Provided inside the rod-shaped housing 201, the second printed circuit board 203 is disposed inside the rod-shaped housing 201 in parallel with the axial direction of the rod-shaped housing 201, the water quality sensor 101 and the The first printed circuit board 202 is connected, and the first printed circuit board 202 and the second printed circuit board 203 are connected by the connector.

Further, the rod-shaped housing 201 is further provided with a waterproof board 204. The waterproof board 204 is disposed in parallel with the first printed circuit board 202, and the waterproof board 204 is disposed at an end of the rod-shaped housing 201. Enclosing the first printed circuit board 202 in the rod-shaped housing 201 to prevent water from flowing into the interior of the rod-shaped housing 201 when the quality of the water quality is measured, the water quality sensor 101 passing through the waterproof board 204 and the The first printed circuit board 202 is connected.

Further, the rod-shaped housing 201 further includes a battery 205 disposed inside the rod-shaped housing parallel to the axial direction of the rod-shaped housing 201.

Specifically, the second printed circuit board 203 extends the two ends of the rod-shaped housing 201 in the axial direction to electrically connect the spring and the conductive sheet, respectively, for connecting the negative pole and the positive pole of the battery 205. Preferably, the battery 205 is two. The ends of the conductive sheets and the springs are sequentially connected end to end for supplying power to the first printed circuit board 202, the second printed circuit board 203, and the water quality sensor 101.

Further, referring to FIG. 5, the rod-shaped housing 201 is further provided with a switching device 206, and the switching device 206 is disposed on the display screen 105. Specifically, the display screen 105 forms a recess on the rod-shaped housing 201 and transitions with the surface of the rod-shaped housing 201 through the inclined surface.

Further, the rod-shaped housing 201 of the water quality detecting device 10 is further provided with a lamp for displaying the transmission state of the wireless transmission circuit 103, and the lamp is integrated on the switching device 206, preferably an LED lamp, and the LED lamp and the device The second micro-processing chip 104 is connected, and the LED lamp starts to blink when the wireless circuit transmits water quality information, and stops blinking when the wireless circuit performs transmission of water quality information.

Further, the end of the rod-shaped housing 201 is further provided with an annular protection structure 207, the water quality sensor 101 is disposed at the center of the annular protection structure 207, and the probe of the water quality sensor 101 is located in the ring protection Within structure 207.

Preferably, the inner diameter of the annular structure 207 is smaller than the inner diameter of the rod-shaped housing 201, one end of the annular structure 207 is engaged with one end of the rod-shaped housing 201, and the other end is open, the water quality sensor The end of the 101 is located in the annular protection structure 207. When the end of the water quality sensor 101 enters the liquid to be measured, the water quality sensor is prevented from being damaged by hitting a hard foreign object.

Preferably, the first printed circuit board 202 or the second printed circuit board 203 further includes a memory, and when the memory is disposed on the first printed circuit board 202, the memory and the first micro The processing chip 102 is connected, and when the memory is disposed on the second printed circuit board 203, the memory is connected to the second micro processing chip 104, and the memory is used to store water quality information.

The first micro-processing chip 102 and the second micro-processing chip 104 may be a microprocessor (MCU), or may be other integrated circuits, such as a specific-purpose integrated circuit (Application). Specific Integrated Circuit (ASIC) or Field Programmable Gate Array, FPGA), etc.

The method for using the water quality detecting device in the embodiment of the present invention is as follows: first, the water quality sensor 101 and the mobile terminal 20 are paired by the Bluetooth module, and then the water quality detecting device 10 is turned on by pressing the switch, and the water quality sensor 101 in the water quality detecting device 10 is placed. In the water, the water quality sensor 101 generates a signal to the first micro-processing chip 102, and the first micro-processing chip 102 converts the signal of the sensor into the corrected digital water quality information and sends it to the second micro-processing chip 104, where the digital water quality information includes a plurality of values representing water quality (eg, temperature value, pH value, or ORP value, etc.), the second micro-processing chip 104 controls display of one of the plurality of values, such as an ORP value, or cyclically displays a plurality of values, and second The micro-processing chip 104 transmits the water quality information to the mobile terminal 20 via the Bluetooth method, and the mobile terminal 20 displays the water quality information and records it.

In the embodiment of the invention, the water quality is measured by the water quality sensor of the water quality detecting device, and the signal of the sensor is converted into water quality information by the micro processing chip, and the water quality information is transmitted to the mobile terminal through the wireless transmission circuit, and the mobile terminal displays and records the water quality information. . The water quality sensor transmits information to the mobile terminal wirelessly. The user can conveniently and intuitively view the water quality information in the mobile terminal. When using the water quality detection device, the water quality detection device is placed in the water, and the water quality detection device will automatically The water quality is detected and the water quality information is transmitted to the mobile terminal for user convenience.

Another embodiment of the present invention provides a water quality detecting system. Referring to FIG. 6, the water quality detecting device 10 and the mobile terminal 20 are included. The mobile terminal 20 displays water quality information transmitted by the water quality detecting device 10.

As shown in FIG. 7, the water quality detecting device 10 transmits the water quality information at a certain time to the mobile terminal 20 for display, wherein the water quality information is represented by three values: ORP (oxidation reduction potential) value, CL (residual chlorine value) 17 Value and T. (temperature value) value, ORP value is an important indicator in water quality. Although it can not independently reflect the quality of water quality, it can integrate other water quality indicators to reflect the ecological environment in the aquarium system. In the swimming pool, the ORP value is generally required to be 650mv or more. The CL17 value refers to the value of the chloride ion remaining after the disinfection reaction in the water. In the swimming pool, the CL17 value is generally required to be 5 to 10 ppm or more. Therefore, the water quality information displayed by the mobile terminal 20 is 5:05 pm and the Fahrenheit temperature is 82.6. Next, the ORP value was 700 mv, and the CL17 value was 0.5 ppm.

As shown in FIG. 8, the mobile terminal 20 displays water quality information at different times of the day so that the user can observe the water quality change.

The mobile terminal 20 compares the water quality information with standard water quality information, and generates prompt information according to the comparison result. Referring to FIG. 9, the mobile terminal 20 compares the water quality information with the stored standard water quality, so that the user can observe whether the water quality meets the standard and whether the water needs to be replaced. For example, when detecting the quality of the water quality of the swimming pool, the user can conveniently judge whether the swimming pool needs to be changed according to the comparison information displayed by the mobile terminal 20.

In addition, the mobile terminal 20 compares the water quality information with the stored standard water quality information, and generates prompt information according to the comparison result. When the water quality exceeds the standard, the mobile terminal 20 sends a prompt message to prompt the user to change the water. Specifically, when one of the indicators of the water quality information does not reach the standard reference value, the prompt information is sent, for example, the reference value of the OPR value is 650 mv or more, when the water quality is detected. When the OPR value of the water quality information transmitted by the device 10 does not reach 650 mv, the mobile terminal 20 issues a prompt message.

The prompt information includes one or more of a sound signal, an optical signal, and a vibration signal. Specifically, the mobile terminal 20 can issue an audible alarm, flash alarm through the LED light, or emit a vibration to remind the user that the water quality information exceeds the standard.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

A water quality detecting device comprising a rod-shaped housing, one or more water quality sensors disposed at an end of the rod-shaped housing, and a first micro-processing chip and wireless disposed inside the rod-shaped housing Transmission circuit

An input end of the first micro processing chip is connected to an output end of the water quality sensor, and an output end of the first micro processing chip is connected to the wireless transmission circuit;

The first micro-processing chip converts the signal sent by the water quality sensor into water quality information, and then sends the signal to the mobile terminal through the wireless transmission circuit.
The water quality detecting device according to claim 1, wherein the first micro processing chip comprises a signal conditioning unit, an A/D conversion unit, and a data correction unit,

An input end of the signal conditioning unit is an input end of the first micro processing chip, and the signal conditioning unit converts a signal collected by the water quality sensor into a standard analog signal,

An input end of the A/D conversion unit is connected to an output end of the signal conditioning unit, and the A/D conversion unit is configured to convert the standard analog signal into a corresponding digital signal.

An input end of the data correction unit is connected to an output end of the A/D conversion unit, and the data correction unit is configured to correct the digital signal to be converted into water quality information.
A water quality detecting device according to claim 1, wherein said water quality sensor comprises a temperature sensor.
The water quality detecting device according to claim 3, wherein the water quality sensor further comprises one or more of a TDS sensor, a pH sensor, and an ORP sensor.
A water quality detecting device according to claim 1, further comprising a second micro processing chip disposed inside said rod-shaped housing and a display screen disposed on an outer side wall of said rod-shaped housing, said An output end of a micro processing chip is connected to an input end of the second micro processing chip, an output end of the second micro processing chip is connected to an input end of the wireless transmission circuit, and the first micro processing chip is configured to The information is sent to the second micro-processing chip, and the second micro-processing chip displays the water quality information on the display screen, and transmits the water quality information to the mobile terminal through the wireless output circuit.
The water quality detecting device according to claim 5, wherein the housing further comprises a first printed circuit board, a second printed circuit board, and a connector, wherein the first micro processing chip is disposed in the first printing On the circuit board, the second micro processing chip and the wireless transmission circuit are disposed on the second printed circuit board, and the first printed circuit board is disposed in the rod shape perpendicular to an axial direction of the rod-shaped housing An interior of the housing, the second printed circuit board is disposed inside the rod-shaped housing parallel to an axial direction of the rod-shaped housing, and the water quality sensor is coupled to the first printed circuit board, the first The printed circuit board and the second printed circuit board are connected by the connector.
A water quality detecting device according to claim 6, wherein said casing further includes a battery, and said battery is disposed inside said rod-shaped casing in parallel with an axial direction of said rod-shaped casing.
The water quality detecting device according to claim 6, wherein said rod-shaped casing is further provided with a switching device, and said switching device is disposed on said display screen.
The water quality detecting device according to claim 1, wherein an end portion of the rod-shaped casing is provided with an annular protection structure, and the water quality sensor is disposed at a center of the annular protection structure, and the water quality sensor The probe is located within the annular protective structure.
A water quality detecting system comprising the water quality detecting device according to any one of claims 1 to 9, and a mobile terminal, wherein the mobile terminal displays water quality information transmitted by the water quality detecting device.
The water quality detecting system according to claim 10, wherein the mobile terminal compares the water quality information with standard water quality information, and generates prompt information according to the comparison result.
The water quality detecting system according to claim 11, wherein the prompt information comprises one or more of a sound signal, an optical signal, and a vibration signal.