CN206177923U - Portable PH gauge - Google Patents

Abstract

The utility model discloses a portable pH meter, which comprises a pH meter body, a liquid crystal display screen, a control panel and a speaker are installed on the front surface of the pH meter body, and a start button, a reset button and a selection button are installed on the front surface of the control panel. , the pH meter body is connected to an electric plug through a wire, the pH meter body is connected to a pH meter sensor through a wire, one end of the pH meter sensor is threadedly connected to a protective shell, and the protective shell is provided with a liquid inlet, so A liquid storage tank is provided on the inner bottom side of the protective case, and the pH meter sensor is plugged into an elastic buckle, and the elastic buckle is installed on a placement plate, and the placement plate and the lamp arm are rotatably connected, and the A lighting device is installed at one end of the lamp arm. In the utility model, the pH meter body is connected to the temperature sensor through wires, and the temperature sensor can measure the temperature of the solution to be measured, thereby better accurately analyzing the pH value of the solution and improving the accuracy of measurement.

Description

A portable pH meter

technical field

The utility model relates to the technical field of pH meters, in particular to a portable pH meter.

Background technique

At present, the PH meter is a very commonly used instrument and equipment, mainly used to measure the pH of the liquid medium. There are many defects in the existing PH meter, such as the inability to measure the temperature of the liquid medium, so that the temperature of the liquid medium cannot be accurately analyzed. The pH analysis is not accurate enough, and it is inconvenient to carry. When used outdoors, there is often a power outage, which cannot protect the pH meter sensor well, and unrelated personnel can operate it at will, which is easy to damage the equipment.

Utility model content

The purpose of this utility model is to provide a portable pH meter to solve the problems of insufficient accuracy, inconvenient to carry, inconvenient to use outdoors, unable to protect the pH meter sensor, and unrelated personnel to operate at will.

In order to achieve the above object, the utility model provides the following technical solutions: a portable pH meter, comprising a pH meter body, a liquid crystal display screen, a control panel and a loudspeaker are installed on the front surface of the pH meter body, and a A start button, a reset button and a selection button, the pH meter body is connected with an electric plug through a wire, the pH meter body is connected with a pH meter sensor through a wire, and one end of the pH meter sensor is threadedly connected with a protective shell, and the protective shell A liquid inlet is provided on the top, a liquid storage tank is provided on the inner bottom side of the protective case, the pH meter sensor is plugged into an elastic buckle, and the elastic buckle is installed on a display board, and the display board It is rotatably connected with the lamp arm, a lighting device is installed at one end of the lamp arm, and a lighting switch is installed on the lamp arm.

Preferably, a fingerprint unlocking device is installed on the front side of the control panel, the output end of the fingerprint unlocking device is electrically connected to the input end of the CPU processor, and the CPU processor is located inside the pH meter body.

Preferably, the pH meter body is connected to a temperature sensor through a wire, and the temperature sensor is inserted into the elastic buckle.

Preferably, a handle is installed on the left side of the pH meter body.

Preferably, a photovoltaic panel is installed on the front surface of the pH meter body, the output end of the photovoltaic panel is electrically connected to the input end of the power supply, and the power supply is located inside the pH meter body.

Preferably, a filter screen is installed on the liquid inlet.

Compared with the prior art, the utility model has the beneficial effects that: the device is equipped with a fingerprint unlocking device through the front side of the control panel, the output end of the fingerprint unlocking device is electrically connected with the input end of the CPU processor, and the CPU processor is located at Inside the PH meter body, fingerprint unlocking can be realized, which avoids the operation of unrelated personnel and protects the equipment from damage. The PH meter body is connected to the temperature sensor through a wire. Measure the temperature of the solution to be tested, so as to better accurately analyze the pH value of the solution and improve the accuracy of the measurement. There is a handle on the left side of the pH meter body, which can be easily carried. Photovoltaic panels are installed on the surface, and the output terminal of the photovoltaic panel is electrically connected to the input terminal of the power supply, and the power supply is located inside the PH meter body, which can realize power supply by solar energy, which is convenient for outdoor use. A filter is installed on the liquid inlet , can prevent impurities from entering the protective shell, thereby protecting the pH meter sensor from damage, and has a simple structure and a reasonable design.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the structure of the protective case of the present invention.

In the figure: 1-electric plug; 2-wire; 3-LCD display screen; 4-photovoltaic panel; 5-handle; 6-PH meter body; 7-start button; 8-reset button; 9-select button; 10 -Fingerprint unlocking device; 11-speaker; 12-protective shell; 13-PH meter sensor; 14-placement board; 15-temperature sensor; 16-lamp arm; 17-lighting switch; 20-filter screen; 21-fluid storage tank; 22-control panel.

detailed description

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

Please refer to Fig. 1 and Fig. 2, a kind of embodiment provided by the utility model: a kind of portable PH meter, comprises PH meter body 6, and liquid crystal display video screen 3, control panel 22 and loudspeaker 11 are installed on the front surface of PH meter body 6, The front surface of the control panel 22 is equipped with a start button 7, a reset button 8 and a selection button 9. The pH meter body 6 is connected with the electric plug 1 through the wire 2, and the pH meter body 6 is connected with the pH meter sensor 13 through the wire 2. The pH meter sensor 13 One end is threadedly connected with a protective case 12, the protective case 12 is provided with a liquid inlet 19, the inner bottom side of the protective case 12 is provided with a liquid storage tank 21, the pH meter sensor 13 is plugged into the elastic buckle, and the elastic buckle is installed on the pendulum On the placement board 14, the placement board 14 and the lamp arm 16 are rotatably connected, an illumination device 18 is installed at one end of the lamp arm 16, a lighting switch 17 is installed on the lamp arm 16, a fingerprint unlocking device 10 is installed on the front side of the control panel 22, and the fingerprint unlocking The output end of the device 10 is electrically connected to the input end of the CPU processor, and the CPU processor is located inside the pH meter body 6, and the pH meter body 6 is connected to the temperature sensor 15 through the wire 2, and the temperature sensor 15 is inserted into the elastic buckle , a handle 5 is installed on the left side of the pH meter body 6, a photovoltaic panel 4 is installed on the front surface of the pH meter body 6, the output end of the photovoltaic panel 4 is electrically connected to the input end of the power supply, and the power supply is located inside the pH meter body 6. A filter screen 20 is installed on the liquid port 19 .

Working principle: When in use, first press the start button 7, put your finger on the fingerprint unlocking device 10, the fingerprint unlocking device 10 will transmit the information to the CPU processor for unlocking, after the unlocking is completed, put the temperature sensor 15 and the pH meter sensor 13 Placed in the solution to be measured, the temperature sensor 15 measures the temperature of the solution, thereby facilitating the accurate analysis of the pH value of the solution and improving the accuracy of the measurement. The liquid inlet 19 on the protective shell 12 of the pH meter sensor 13 can make the The solution flows in, the filter screen 20 filters the impurities, the pH meter sensor 13 measures the pH value of the solution, the photovoltaic panel 4 can use solar energy to generate electricity, and supplies power for the power supply inside the pH meter body 6, thereby facilitating outdoor use , the lighting device 18 is powered by the power supply inside the pH meter body 6, which can facilitate operation in a darker environment, and the handle 5 can facilitate the carrying of the device.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. a kind of portable PH meters, including PH meter bodies（6）, it is characterised in that：The PH counts body（6）Front surface is provided with liquid Crystalline substance shows screen（3）, control panel（22）And loudspeaker（11）, the control panel（22）Front surface is provided with start button（7）、 SR（8）And select button（9）, the PH meters body（6）By wire（2）And plug（1）Connection, the PH meters are originally Body（6）By wire（2）With PH flowmeter sensors（13）Connection, the PH flowmeter sensors（13）Threaded one end is connected with containment vessel （12）, the containment vessel（12）On be provided with inlet（19）, the containment vessel（12）Internal bottom side is provided with reservoir（21）, The PH flowmeter sensors（13）It is plugged on Elastic buckle, the Elastic buckle is arranged on board for putting（14）On, the board for putting （14）And arm（16）Rotate connection, the arm（16）One end is provided with illuminator（18）, the arm（16）Upper installation There is light switch（17）.

2. a kind of portable PH according to claim 1 is counted, it is characterised in that：The control panel（22）Installed in front has Unlocked by fingerprint device（10）, the unlocked by fingerprint device（10）Outfan and CPU processor input be electrically connected with, and CPU processor is located at PH and counts body（6）It is internal.

3. a kind of portable PH according to claim 1 is counted, it is characterised in that：The PH counts body（6）By wire（2） And temperature sensor（15）Connection, the temperature sensor（15）It is plugged on Elastic buckle.

4. a kind of portable PH according to claim 1 is counted, it is characterised in that：The PH counts body（6）Left side is provided with Handle（5）.

5. a kind of portable PH according to claim 1 is counted, it is characterised in that：The PH counts body（6）Front surface is installed There is photovoltaic panel（4）, the photovoltaic panel（4）Outfan and power supply input be electrically connected with, and power supply be located at PH count body（6） It is internal.

6. a kind of portable PH according to claim 1 is counted, it is characterised in that：The inlet（19）On filtration is installed Net（20）.