阅读说明：本技术 一种ph值的测试装置 (PH value testing device ) 是由 刘霞 丁明利 李宗高 邓成亮 叶伟 陈丽斯 林智娟 袁玉兵 伦玮峰 万倩 郭子山 于 2021-08-24 设计创作，主要内容包括：本发明提供一种PH值的测试装置,属于检测设备领域。其包括样品托盘、水槽、校准液槽、导轨机构以及PH值测试机构,所述校准液槽上还设置有缓冲液槽,所述样品托盘上设置有用于放置测试样品试管的放置槽,该样品托盘上设置有用于对测试瓶样品管进行定位的压力传感器,所述样品托盘的两侧设置有托盘固定件,所述水槽和校准液槽设置于所述样品托盘的后方,所述PH值测试机构设置于所述样品托盘的侧方,所述导轨机构设置于所述样品托盘、水槽和校准液槽的上方,所述导轨机构上固定有振荡测试机构。与现有技术相比,本发明具有全自动振荡检测一体化的特点,能满足多个样品同时检测,具有自动化程度高和检测效率高的优势。(The invention provides a PH value testing device, and belongs to the field of detection equipment. It includes sample tray, basin, calibration cistern, guide rail mechanism and pH value accredited testing organization, still be provided with the buffering cistern on the calibration cistern, be provided with the standing groove that is used for placing the test sample test tube on the sample tray, be provided with the pressure sensor who is used for advancing line location to test bottle sample tube on this sample tray, the both sides of sample tray are provided with the tray mounting, basin and calibration cistern set up in the rear of sample tray, pH value accredited testing organization set up in the side of sample tray, guide rail mechanism set up in the top of sample tray, basin and calibration cistern, be fixed with the oscillation accredited testing organization in the guide rail mechanism. Compared with the prior art, the invention has the characteristic of full-automatic oscillation detection integration, can meet the requirement of simultaneously detecting a plurality of samples, and has the advantages of high automation degree and high detection efficiency.)

1. A PH value testing device is characterized in that: including sample tray, basin, calibration cistern, guide rail mechanism and pH value accredited testing organization, still be provided with the buffering cistern on the calibration cistern, be provided with the standing groove that is used for placing the test sample test tube on the sample tray, be provided with the pressure sensor who is used for going on fixing a position test bottle sample tube on this sample tray, the both sides of sample tray are provided with the tray mounting, basin and calibration cistern set up in the rear of sample tray, pH value accredited testing organization set up in the side of sample tray, guide rail mechanism set up in the top of sample tray, basin and calibration cistern, the last oscillation accredited testing organization that is fixed with of guide rail mechanism.

2. A PH testing device according to claim 1, wherein: the sample tray is square, and 6 x 6 placing grooves are arranged on the sample tray.

3. A PH testing device according to claim 1, wherein: the guide rail mechanism is composed of an X-axis slide rail, two Y-axis slide rails and a Z-axis slide rail, the Y-axis slide rails are arranged in parallel, the X-axis slide rail is connected with the Y-axis slide rails in a sliding mode, the Z-axis slide rail is connected with the X-axis slide rails in a sliding mode, a sliding block is arranged on the Z-axis slide rail, and the oscillation testing mechanism is fixed on the sliding block.

4. A PH testing device according to claim 1, wherein: the pH value testing mechanism is a three-head pH tester.

5. A pH testing device according to claim 4, wherein: and a display screen is arranged on the three-head PH tester.

6. A pH testing device according to claim 4, wherein: and the three-head PH tester is also provided with a fixing frame.

7. A PH testing device according to claim 3, wherein: the vibration test mechanism comprises a fixed plate, the fixed plate is fixedly connected with the sliding block, a sliding rail is arranged on the fixed plate, a servo motor is fixed on the side of the fixed plate, an electrode clamping frame is connected to the sliding rail in a sliding mode, a test electrode is clamped on the electrode clamping frame, and the servo motor is in transmission connection with the electrode clamping frame through an eccentric block, a fisheye joint and a transmission rod.

8. A PH testing device according to claim 1, wherein: the front end of the case is provided with a front opening, and the rear end of the case is provided with a rear opening.

9. A PH testing device according to claim 8, wherein: the front opening is hinged with a flip cover for opening and closing the opening.

10. A PH testing device according to claim 8, wherein: and a rear cover is fixed on the rear opening and is a transparent glass rear cover or a metal rear cover.

Technical Field

The invention belongs to the field of detection equipment, and particularly relates to a PH value testing device.

Background

At present, the pH value of the textile aqueous extract is generally determined according to the indexes of GB/T7573-2009 determination of the pH value of the textile aqueous extract. The standard states that: for pH determination, the extract was poured into a 100mL beaker, the electrode was quickly submerged to a depth of at least 10mm below the surface of the liquid, and the solution was gently stirred with a glass rod until the pH stabilized. According toThe following disadvantages exist in the determination of the pH value by the operating method specified in the standard: the water extract of the sample to be measured directly contacts air and CO₂Dissolving into the solution to cause the change of the PH value, thereby affecting the accuracy of the result and aggravating the drift of the PH value; the PH value drifts, so that the data reading time is longer, and more CO exists₂Dissolving into the extractive solution to form malignant circulation. The defects generally exist in actual measurement, but the defects are generally considered to be within an acceptable error range, but the phenomena of unstable pH value of the textile water extract, large drift, poor reproducibility of data among laboratories and the like are caused, and misjudgment caused by unstable indication values can directly influence the actual detection work.

A series of existing operations on the textile water extract are all carried out manually, manual liquid taking, vibrator vibration and sample placement are sequentially adopted for measurement, the liquid taking amount in each time is recognized by human eyes, and errors are not well controlled; and current sample frame does not have the oscillation function, need place the back of shaking on the electromagnetic shaker with the liquid of waiting to survey earlier, places it again and carries out the survey of pH value on sample frame, and operation process is loaded down with trivial details, and is inefficient, and the survey of current pH value needs the manual work to survey a plurality of sample in proper order promptly, has improved the cost of labor, and manual operation produces the possibility of misoperation and increase error easily moreover. In view of this, the present invention provides a PH value testing device.

Disclosure of Invention

In order to solve the problems, the invention provides a PH value testing device which has the characteristic of full-automatic oscillation detection integration, can meet the requirement of simultaneous detection of a plurality of samples, and has the advantages of high automation degree and high detection efficiency.

The invention is realized by the following technical scheme:

the utility model provides a testing arrangement of PH value, includes sample tray, basin, calibration cistern, guide rail mechanism and PH value accredited testing organization, still be provided with the buffering cistern on the calibration cistern, be provided with the standing groove that is used for placing the test sample test tube on the sample tray, be provided with the pressure sensor who is used for advancing line location to test bottle sample tube on this sample tray, the both sides of sample tray are provided with the tray mounting, basin and calibration cistern set up in the rear of sample tray, PH value accredited testing organization set up in the side of sample tray, guide rail mechanism set up in the top of sample tray, basin and calibration cistern, the last oscillation accredited testing organization that is fixed with of guide rail mechanism.

As a preferable technical solution, the sample tray is square, and 6 × 6 placing grooves are provided on the sample tray.

As a preferred technical scheme, the guide rail mechanism is composed of an X-axis slide rail, two Y-axis slide rails and a Z-axis slide rail, the two Y-axis slide rails are arranged in parallel, the X-axis slide rail is connected with the Y-axis slide rail in a sliding manner, the Z-axis slide rail is connected with the X-axis slide rail in a sliding manner, a slider is arranged on the Z-axis slide rail, and the oscillation testing mechanism is fixed on the slider.

As a preferred technical scheme, the pH value testing mechanism is a three-head pH tester.

As a preferred technical scheme, a display screen is arranged on the three-head PH tester.

As a preferred technical scheme, a fixing frame is further arranged on the three-head PH tester.

As a preferred technical scheme, the oscillation testing mechanism includes a fixed plate, the fixed plate with slider fixed connection, be provided with the slide rail on the fixed plate, the side of this fixed plate is fixed with servo motor, sliding connection has the electrode holding frame on the slide rail, the centre gripping has the test electrode on the electrode holding frame, servo motor pass through eccentric block, fisheye joint, transfer line with the transmission of electrode holding frame is connected.

As a preferred technical scheme, the portable electronic device further comprises a case, wherein a front opening is arranged at the front end of the case, and a rear opening is arranged at the rear end of the case.

As a preferable technical solution, a flip cover for opening and closing the opening is hinged on the front opening.

As a preferable technical scheme, a rear cover is fixed on the rear opening, and the rear cover is a transparent glass rear cover or a metal rear cover.

Has the advantages that:

according to the invention, a weighed volume of sample solution to be tested is placed in the placing groove of the sample tray in advance, the sample solution to be tested is fixed through the tray fixing part, then the equipment is started, the equipment detects that test tubes to be tested exist on the sample tray through the sensor, then the test tubes in the sample tray placing groove are gradually detected through the guide rail mechanism and the pH value detection mechanism according to a preset detection program, sample oscillation can be carried out through the oscillation testing mechanism in the detection process, and meanwhile, the electrodes can be cleaned through the water tank and the calibration liquid tank, so that the characteristics of full-automatic oscillation detection integration are realized, manual detection is not needed, simultaneous detection of a plurality of samples can be met, and the device has the advantages of high automation degree and high detection efficiency.

Drawings

FIG. 1 is a perspective view of a pH value measuring apparatus;

FIG. 2 is a block diagram of another perspective of FIG. 1;

FIG. 3 is an internal structural view of FIG. 1;

FIG. 4 is a detailed view of the sample tray of FIG. 3;

FIG. 5 is a detailed structural view of the guide rail mechanism of FIG. 3;

fig. 6 is a detailed structural view of the oscillation test mechanism in fig. 3.

The attached drawings are as follows:

100. a sample tray; 101. a placement groove; 200. a water tank; 300. a calibration liquid bath; 301. a buffer tank; 400. a guide rail mechanism; 401. a Y-axis slide rail; 402. an X-axis slide rail; 403. a Z-axis slide rail; 404. a slider; 500. a pH value testing mechanism; 501. a display screen; 502. a fixed mount; 600. an oscillation testing mechanism; 601. a servo motor; 602. a fixing plate; 603. an eccentric block; 604. a fisheye joint; 605. a transmission rod; 606. an electrode holder; 607. a test electrode; 608. a slide rail; 700. a tray fixing member; 800. a chassis; 801. a cover is turned; 802. a front opening; 803. and a rear opening.

Detailed Description

In order to further disclose and explain the technical scheme of the invention, a PH value testing device is clearly and completely explained below with reference to the accompanying drawings.

It should be noted that the terms "in", "middle" and "an" are used herein for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship may be made without substantial technical changes, and they are to be regarded as the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example (b):

referring to fig. 1 to 3, the present invention provides a PH value testing apparatus, including a sample tray 100, a water tank 200, a calibration liquid tank 300, a guide rail mechanism 400 and a PH value testing mechanism 500, wherein the calibration liquid tank 300 is further provided with a buffer liquid tank 301, the sample tray 100 is provided with a placing groove 101 for placing sample test tubes to be tested, and the placing groove 101 is used for placing sample test tubes therein.

It should be noted that the solution to be measured, which is pre-processed according to the standard, is placed in the test tube in advance, so that the problem that the whole measuring process is complicated and the error is well controlled is avoided; the water tank 200 is used for swing cleaning of the tested electrodes, and the calibration liquid tank 300 is used for placing the electrodes in a standby state; guide rail mechanism 400 is used for the displacement of pH value accredited testing organization 500, pH value accredited testing organization 500 is used for measuring the sample test tube that awaits measuring, be provided with on this sample tray 100 and be used for carrying out the pressure sensor who fixes a position to the test bottle sample tube, it needs to explain, pressure sensor drives guide rail mechanism 400 and removes corresponding position and tests after being used for fixing a position the sample test tube on sample tray 100, it needs to explain, pressure sensor can also be infrared sensor or range finding sensor, its function all is used for fixing a position the sample test tube on sample tray 100.

The both sides of sample tray 100 are provided with tray mounting 700, and tray mounting 700's effect is spacing to sample tray 100, basin 200 and calibration cistern 300 set up in the rear of sample tray 100, pH value accredited testing organization 500 set up in sample tray 100's side, rail mechanism 400 set up in the top of sample tray 100, basin 200 and calibration cistern 300, be fixed with oscillation accredited testing organization 600 on the rail mechanism 400, oscillation accredited testing organization 600 is used for oscillating the sample test tube.

Specifically, referring to fig. 4, the sample tray 100 is square, 6 × 6 placing slots 101 are provided on the sample tray 100, and the apparatus can sequentially measure the test tube samples in the placing slots 101 according to a predetermined program.

Specifically, referring to fig. 5, the guide rail mechanism 400 is composed of an X-axis slide rail 402, two Y-axis slide rails 401 and a Z-axis slide rail 403, the two Y-axis slide rails 401 are arranged in parallel, the X-axis slide rail 402 is connected to the Y-axis slide rail 401 in a sliding manner, the Z-axis slide rail 403 is connected to the X-axis slide rail 402 in a sliding manner, a slider 404 is arranged on the Z-axis slide rail 403, the oscillation testing mechanism 600 is fixed to the slider 404, it should be noted that the guide rail mechanism 400 is moved by a stepping motor, and the structure of the guide rail mechanism is the same as that of an XYZ-axis manipulator in the prior art, which is not described herein again.

Specifically, the PH measuring mechanism 500 is a three-head PH tester, which is used to measure the PH of the sample tube, and the electrodes are a part of the three-head PH tester. It should be noted that, in a specific application, the three-head PH tester may be replaced by other testers, and the PH testing mechanism 500 is not limited to three heads, and may be configured as one head or multiple heads.

Specifically, the three-head PH tester is provided with a display screen 501, and the display screen 501 can display the measurement state, the measured PH value corresponding data, the measured area and the unmeasured area, the remaining detection time, and the like according to a program.

Specifically, a fixing frame 502 is further arranged on the three-head PH tester, and the fixing frame 502 is used for fixing the three-head PH tester.

Specifically, referring to fig. 6, the oscillation testing mechanism 600 includes a fixing plate 602, the fixing plate 602 is fixedly connected to the sliding block 404, a sliding rail 608 is disposed on the fixing plate 602, a servo motor 601 is fixed to a side of the fixing plate 602, an electrode holder 606 is slidably connected to the sliding rail 608, a testing electrode 607 is held on the electrode holder 606, the servo motor 601 is in transmission connection with the electrode holder 606 through an eccentric block 603, a fisheye joint 604 and a transmission rod 605, and when the testing electrode 607 extends into a tube to be tested, the servo motor 601 drives the electrode holder 606 to move, so as to drive the testing electrode 607 to swing left and right, thereby realizing oscillation of the sample tube.

Specifically, the computer case 800 is further included, a front opening 802 is disposed at the front end of the computer case 800, and a rear opening 803 is disposed at the rear end of the computer case 800.

Further, a flip 801 for opening and closing the opening is hinged on the front opening 802, and the flip 801 can open or close the device.

Specifically, a rear cover is fixed on the rear opening 803, the rear cover is a transparent glass rear cover or a metal rear cover, the transparent glass rear cover is convenient to observe, and the metal rear cover is used for closing the rear opening 803.

According to the invention, a pre-processed sample solution to be tested is placed in the placing groove 101 of the sample tray 100 in advance, the sample solution to be tested is fixed through the tray fixing piece 700, then the device is started, the device detects that test tubes to be tested exist on the sample tray 100 through the sensor, then the test tubes in the placing groove 101 of the sample tray 100 are detected step by step through the guide rail mechanism 400 and the pH value detection mechanism according to a preset detection program, a motor after the test is finished can be withdrawn back to the water tank 200 for cleaning, and is placed in the buffer liquid tank 301 for buffering, and then is placed in the calibration liquid tank 300 for calibration, so that the operation is repeated until the test of the sample test tubes in the sample tray 100 is finished.

Through the structure, the full-automatic oscillation detection device has the characteristic of integration of full-automatic oscillation detection, does not need manual detection, can meet the requirement of simultaneous detection of a plurality of samples, and has the advantages of high automation degree and high detection efficiency.

The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are included if they do not depart from the spirit and scope of the present invention, and they are within the scope of the claims and the equivalent technology of the present invention.