CN216433976U - Acidimeter of easily surveying pH value - Google Patents
Acidimeter of easily surveying pH value Download PDFInfo
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- CN216433976U CN216433976U CN202122983485.9U CN202122983485U CN216433976U CN 216433976 U CN216433976 U CN 216433976U CN 202122983485 U CN202122983485 U CN 202122983485U CN 216433976 U CN216433976 U CN 216433976U
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Abstract
The utility model relates to a pH check out test set field specifically discloses an acidimeter of easy survey pH value, including workstation, detection control module and electrode probe, electrode probe and detection control module electric connection still include mounting bracket and cleaning unit, and the mounting bracket is vertical fixed mounting on the workstation, and electrode probe is vertical to be installed on the mounting bracket, and electrode probe's lower extreme is relative with the upper surface of workstation; the cleaning unit comprises a cleaning barrel which is right opposite to the electrode probe, a rotating part which drives the cleaning barrel to rotate and a moving unit which drives the cleaning barrel to horizontally move and vertically move, the rotating part is arranged between the cleaning barrel and the moving unit, and a plurality of brushes are fixedly arranged on the inner wall of the cleaning barrel. The rotating part can drive the cleaning barrel and the brush to rotate in the scheme, the rotating brush cleans the electrode probe, the electrode probe can be comprehensively and efficiently cleaned, and the electrode probe can accurately detect the pH value in the subsequent detection process.
Description
Technical Field
The utility model relates to a pH check out test set technical field especially relates to an easily survey acidimeter of pH value.
Background
The acidimeter is also called pH meter, and is used for measuring the pH value of solution, there is a corresponding relation between electromotive force of the measured sample and hydrogen ion concentration, and the negative logarithm of the hydrogen ion concentration is the pH value. The acidimeter is widely applied to the fields of agriculture, environmental protection, industry and the like, and can provide important data reference for detecting the acidity of a solution.
When the conventional acidimeter is used, in order to guarantee accurate detection, the electrode probe is cleaned once after being used once or before being used for a long time, so that the aim of removing impurities on the electrode probe and accurately detecting is fulfilled. The conventional cleaning mode is to place the electrode probe into clear water for manual cleaning, the cleaning process needs a tester to perform independent operation, the cleaning efficiency is low, and the pH testing efficiency can be directly influenced when the pH value detection is performed for many times.
SUMMERY OF THE UTILITY MODEL
Not enough to exist among the prior art, the utility model provides an easily survey acidimeter of pH value to solve conventional electrode probe and after the test of carrying out the water sample, the lower problem of electrode probe cleaning efficiency.
In order to achieve the above object, the basic scheme of the present invention is as follows: an acidimeter capable of easily measuring a pH value comprises a workbench, a detection control module and an electrode probe, wherein the electrode probe is electrically connected with the detection control module; the cleaning unit comprises a cleaning barrel which is right opposite to the electrode probe, a rotating part which drives the cleaning barrel to rotate and a moving unit which drives the cleaning barrel to horizontally move and vertically move, the rotating part is arranged between the cleaning barrel and the moving unit, and a plurality of brushes are fixedly arranged on the inner wall of the cleaning barrel.
The technical principle of the utility model is that: this electrode probe among the acidimeter of easily surveying pH value washs after using, at first add clear water in the wash bowl, then mobile unit drives rotation portion and wash bowl horizontal migration, just to the time with electrode probe when the wash bowl, mobile unit pause horizontal migration, then the vertical upper shift of mobile unit control wash bowl, make electrode probe treat that the washing department inserts in the wash bowl and contact with the clear water, then start rotation portion, rotation portion drives wash bowl and brush rotation, the pivoted brush is scrubbed electrode probe, can carry out comprehensive and efficient washing to electrode probe, be convenient for in subsequent testing process, electrode probe carries out the pH value accurately and detects.
After the electrode probe is cleaned, the rotating part stops driving the cleaning barrel and the brush to rotate, and the moving unit drives the rotating part and the cleaning barrel to descend, so that the cleaning barrel and the electrode probe are prevented from colliding in the subsequent horizontal moving process; then the mobile unit drives the rotating part and the cleaning barrel to move horizontally, and the electrode probe is staggered with the cleaning barrel, so that a sample to be detected can be conveniently taken for pH value detection subsequently.
Further, the mobile unit comprises a slide rail and a first slide block slidably mounted on the slide rail, the slide rail is horizontally and fixedly mounted on the workbench, and a first lifting part is arranged between the rotating part and the first slide block.
Through the matching of the first sliding block and the sliding rail, the cleaning barrel, the rotating part and the first lifting part can stably slide along the sliding rail; simultaneously first lift portion can drive the wash bowl and the portion that rotates goes up and down steadily, can not interfere with each other between first lift portion and first slider and the slide rail, lets the removal of wash bowl more controllable more stable.
Further, first lift portion includes the first oil pressure telescopic link of first oil pressure telescopic link and the first oil pump of the extension of control or shortening, and the vertical setting of first oil pressure telescopic link is between rotation portion and first slider, the upper end and the rotation portion fixed connection of first oil pressure telescopic link, the lower extreme and the first slider fixed connection of first oil pressure telescopic link.
Through the arrangement, when the first oil pressure telescopic rod needs to be extended, the first oil pump is controlled to pump hydraulic oil into the first oil pressure telescopic rod, and the first oil pressure telescopic rod can be extended to stably lift the cleaning cylinder and the rotating part; when first oil pressure telescopic link of needs shortens, the hydraulic oil in the first oil pressure telescopic link of first oil pump suction of control, first oil pressure telescopic link can shorten, lets wash bowl and rotation part move down steadily, and the lift control of wash bowl and rotation part is convenient.
Further, the rotation portion includes micro motor and with micro motor's output fixed connection's pivot, micro motor fixed mounting on first oil pressure telescopic link's upper end, the vertical setting of pivot, the upper end and the wash bowl of pivot can be dismantled and be connected.
When the electrode probe is cleaned, the micro motor is started, and drives the rotating shaft to rotate, so that the cleaning barrel positioned at the top end of the rotating shaft synchronously rotates, and the electrode probe is conveniently scrubbed by the hairbrush; after the clear water in the wash bowl was used many times, can dismantle the wash bowl of pivot upper end department, be convenient for change the water in the wash bowl, also can install on the top of pivot again after the change.
Further, still including detecting a section of thick bamboo, the mobile unit still includes second lift portion and slidable mounting second slider on the slide rail, and second lift portion includes second oil pressure telescopic link and the second oil pump of control second oil pressure telescopic link extension or shortening, detects a section of thick bamboo and the equal vertical setting of second oil pressure telescopic link, and the vertical setting of second oil pressure telescopic link is detecting between a section of thick bamboo and the second slider, and the upper end of second oil pressure telescopic link can be dismantled with the lower extreme that detects a section of thick bamboo and be connected.
When the pH value of a sample to be detected is detected, the detection cylinder with the sample to be detected can be moved to the electrode probe by the driving of the second sliding block, and at the moment, the second oil pressure telescopic rod is extended to control the detection cylinder to move upwards by controlling the second oil pump, so that the electrode probe can conveniently probe into the sample to be detected to detect the pH value; after detection, the second oil pump controls the second oil pressure telescopic rod to shorten again, the second sliding block slides again along the sliding rail, and the electrode probe and the detection cylinder are staggered to complete one-time detection; when detecting another sample that awaits measuring, can dismantle the detection section of thick bamboo of second oil pressure telescopic link top department, wash another sample that awaits measuring to detecting a section of thick bamboo, will detect a section of thick bamboo again and install second oil pressure telescopic link top department, can realize the quick replacement to the sample that awaits measuring, also be convenient for detect.
Further, still include third lift portion, third lift portion includes the third oil pressure telescopic link and controls the third oil pump that third oil pressure telescopic link extension or shortened, and the vertical setting of third oil pressure telescopic link is between mounting bracket and electrode probe, the upper end and the mounting bracket fixed connection of third oil pressure telescopic link, the lower extreme of third oil pressure telescopic link and the upper end fixed connection of electrode probe.
Through the setting, the third lift portion can control the lower extreme position of electrode probe, and the electrode probe of being convenient for contacts with the sample or clear water that await measuring, also is convenient for accomplish and detects or wash the back, and electrode probe can move back fast, avoids electrode probe and detection section of thick bamboo or wash bowl to bump.
The washing machine further comprises a control unit, wherein the control unit comprises a first controller for controlling the horizontal moving distance and direction of the first sliding block, a second controller for controlling the horizontal moving distance and direction of the second sliding block, a third controller for controlling the extension or shortening of the first oil pressure telescopic rod, a fourth controller for controlling the extension or shortening of the second oil pressure telescopic rod, a fifth controller for controlling the extension or shortening of the third oil pressure telescopic rod, a sixth controller for controlling the opening or closing of the micro motor, a first switch for inputting a detection instruction and a second switch for inputting a washing instruction, and the first controller, the second controller, the third controller, the fourth controller, the fifth controller, the sixth controller, the first switch and the second switch are electrically connected with the detection control module.
When the electrode probe is cleaned, the second switch is pressed, the second switch inputs a cleaning instruction to the detection control module, the detection control module sends an instruction for controlling the first slide block to move leftwards to the first controller, when the cleaning barrel and the electrode probe are to be cleaned, the detection control module controls the first slide block to pause, then the detection control module sends an instruction for controlling the first oil pressure telescopic rod to extend to the third controller and also sends an instruction for controlling the third oil pressure telescopic rod to extend to the fifth controller, the first oil pump pumps hydraulic oil into the first oil pressure telescopic rod, the first oil pressure telescopic rod lifts the rotating part and the cleaning barrel, the third oil pump pumps hydraulic oil into the third oil pressure telescopic rod, the third oil pressure telescopic rod extends to push the electrode probe to move downwards so that the electrode probe extends into the cleaning barrel, and then the detection control module sends an instruction for controlling the micro motor to be started to the sixth controller, at the moment, the micro motor drives the rotating shaft to rotate, the rotating shaft synchronously drives the cleaning barrel to rotate, and the brush on the inner wall of the cleaning barrel brushes the lower end of the electrode probe to ensure that the electrode probe is cleaned; when detecting, also through same mode control second slider, second oil pressure telescopic link internal pump and third oil pressure telescopic link, can convenient and quick wash and detect.
Drawings
Fig. 1 is a schematic structural view of the axial direction of an acidometer easy for measuring pH value in the embodiment of the present invention.
Fig. 2 is a front view of a first elevating portion, a rotating portion and a cleaning barrel of an acidometer capable of easily measuring pH in an embodiment of the present invention.
Fig. 3 is a front view of a second elevating portion and a detecting cylinder of an acidometer for easily measuring pH according to an embodiment of the present invention.
In the above drawings: the electrode probe comprises a workbench 10, a mounting groove 101, a detection control module 102, a slide rail 103, an electrode probe 20, a mounting frame 201, a third hydraulic telescopic rod 301, a third oil pump 302, a first hydraulic telescopic rod 401, a first oil pump 402, a first sliding block 50, a cleaning barrel 501, a brush 502, a first slot 503, a micro motor 504, a rotating shaft 505, a second sliding block 60, a detection barrel 601, a second slot 602, a second hydraulic telescopic rod 603 and a second oil pump 604.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
The embodiment of the present invention is basically as shown in fig. 1, fig. 2 and fig. 3, and an embodiment of the present invention provides an acidometer easy to measure a pH value, including a workbench 10, a detection control module 102, a control unit, an electrode probe 20, a mounting rack 201, a detection cylinder 601 for containing a sample, and a cleaning unit, wherein the electrode probe 20 is electrically connected with the detection control module 102; the vertical welding of mounting bracket 201 is on workstation 10, the vertical center department of installing at mounting bracket 201 of electrode probe 20, be provided with the third portion of going up and down between electrode probe 20 and the mounting bracket 201, the third portion of going up and down includes third oil hydraulic telescopic rod 301 and the third oil pump 302 of control third oil hydraulic telescopic rod 301 extension or shortening, the vertical setting of third oil hydraulic telescopic rod 301 is between mounting bracket 201 and electrode probe 20, the upper end and the mounting bracket 201 welding of third oil hydraulic telescopic rod 301, the lower extreme of third oil hydraulic telescopic rod 301 and the upper end welding of electrode probe 20, the lower extreme of electrode probe 20 is relative with the upper surface of workstation 10.
As shown in fig. 1 and 2, the cleaning unit includes a cleaning cylinder 501 capable of facing the electrode probe 20, a rotating part for driving the cleaning cylinder 501 to rotate, and a moving unit for driving the cleaning cylinder 501 to horizontally move and vertically move, the moving unit includes a slide rail 103 and a first slide block 50 slidably mounted on the slide rail 103, a mounting groove 101 is horizontally arranged at the middle part of the left side of the workbench 10, and the slide rail 103 is horizontally welded in the bottom of the mounting groove 101; the first lifting part comprises a first oil pressure telescopic rod 401 and a first oil pump 402 for controlling the first oil pressure telescopic rod 401 to extend or shorten, the rotating part comprises a micro motor 504 and a rotating shaft 505 welded with the output end of the micro motor 504, the micro motor 504 is welded on the upper end of the first oil pressure telescopic rod 401, the rotating shaft 505 is vertically arranged, a first slot 503 is arranged at the center of the bottom of the cleaning barrel 501, the upper end of the rotating shaft 505 is inserted into the first slot 503 at the bottom of the cleaning barrel 501, and a plurality of brushes 502 are fixedly arranged on the inner wall of the cleaning barrel 501; meanwhile, the first oil pressure telescopic rod 401 is vertically arranged between the micro motor 504 and the first sliding block 50, the upper end of the first oil pressure telescopic rod 401 is welded with the micro motor 504, and the lower end of the first oil pressure telescopic rod 401 is welded with the first sliding block 50.
As shown in fig. 1 and 3, the moving unit further includes a second lifting portion and a second slider 60 slidably mounted on the slide rail 103, the second lifting portion includes a second hydraulic telescopic rod 603 and a second oil pump 604 for controlling the extension or shortening of the second hydraulic telescopic rod 603, the detecting cylinder 601 and the second hydraulic telescopic rod 603 are both vertically disposed, the second hydraulic telescopic rod 603 is vertically disposed between the detecting cylinder 601 and the second slider 60, a second slot 602 is disposed in the center of the bottom surface of the detecting cylinder 601, and the upper end of the second hydraulic telescopic rod 603 is inserted into the second slot 602 of the detecting cylinder 601.
Meanwhile, the control unit comprises a first controller for controlling the horizontal movement distance and direction of the first slider 50, a second controller for controlling the horizontal movement distance and direction of the second slider 60, a third controller for controlling the extension or contraction of the first hydraulic telescopic rod 401, a fourth controller for controlling the extension or contraction of the second hydraulic telescopic rod 603, a fifth controller for controlling the extension or contraction of the third hydraulic telescopic rod 301, a sixth controller for controlling the micro motor 504 to be turned on or off, a first switch for inputting a detection command, and a second switch for inputting a cleaning command, wherein the first controller, the second controller, the third controller, the fourth controller, the fifth controller, the sixth controller, the first switch and the second switch are electrically connected with the detection control module 102.
Further, the first oil pump 402, the second oil pump 604, and the third oil pump 302 are fixedly mounted on the rear side of the table 10 by bolts.
When the acidimeter of an easily survey pH value in this embodiment detects, take down wash bowl 501 on the pivot 505 earlier, pour into the clear water into wash bowl 501, then peg graft pivot 505's upper end with wash bowl 501 first slot 503 department on, take off simultaneously on the second oil hydraulic telescoping rod 603 the detection section of thick bamboo 601 of detecting on the upper end, pour into the sample that awaits measuring into detecting section of thick bamboo 601 in, will detect on the second slot 602 department of a section of thick bamboo 601 pegs graft the upper end of second oil hydraulic telescoping rod 603.
Then, the first oil pump 402, the second oil pump 604, the third oil pump 302 and the detection control module 102 are all electrified, the second switch is pressed, the second switch inputs a cleaning instruction to the detection control module 102, the detection control module 102 sends an instruction for controlling the second slider 60 to move leftwards to the second controller, and also sends an instruction for controlling the first slider 50 to move leftwards to the first controller, the second slider 60 controls the second lifting part and the detection cylinder 601 to move leftwards along the slide rail 103, meanwhile, the first slider 50 controls the first lifting part, the rotating part and the cleaning cylinder 501 to also move leftwards along the slide rail 103, and when the cleaning cylinder 501 moves to the middle of the slide rail 103, the detection control module 102 controls the first slider 50 to pause; at this time, the detection control module 102 sends a command for controlling the extension of the first hydraulic telescopic rod 401 to the third controller and also sends a command for controlling the extension of the third hydraulic telescopic rod 301 to the fifth controller, the first oil pump 402 pumps hydraulic oil into the first hydraulic telescopic rod 401, the first hydraulic telescopic rod 401 lifts the rotating part and the cleaning barrel 501, the third oil pump 302 pumps hydraulic oil into the third hydraulic telescopic rod 301, the third hydraulic telescopic rod 301 pushes the electrode probe 20 to move downwards after extending, so that the electrode probe 20 is inserted into the cleaning barrel 501, then, the detection control module 102 sends an instruction for controlling the micro motor 504 to turn on to the sixth controller, at this time, the micro motor 504 drives the rotating shaft 505 to rotate, the rotating shaft 505 synchronously drives the cleaning cylinder 501 to rotate, and at this time, the brush 502 on the inner wall of the cleaning cylinder 501 brushes the lower end of the electrode probe 20, so as to ensure that the electrode probe 20 is cleaned.
After the electrode probe 20 is cleaned, the first switch inputs a detection instruction to the detection control module 102, the detection control module 102 controls the micro motor 504 to be closed again through the sixth controller, so that the cleaning cylinder 501 stops rotating, and meanwhile, the fifth controller and the third controller are controlled, so that the first oil pump 402 recovers the hydraulic oil in the first oil pressure telescopic rod 401, so that the first oil pressure telescopic rod 401 is shortened, and meanwhile, the third oil pump 302 recovers the hydraulic oil in the third oil pressure telescopic rod 301, so that the third oil pressure telescopic rod 301 is shortened, and the electrode probe 20 cannot be abutted against the side wall of the cleaning cylinder 501.
Then the first switch is pressed, the detection control module 102 sends a command for controlling the first slider 50 to move rightwards to the first controller, and also sends a command for controlling the second slider 60 to move rightwards to the second controller, so as to control the cleaning barrel 501 and the detection barrel 601 to move rightwards, when the detection barrel 601 moves to the middle of the slide rail 103 and is opposite to the electrode probe 20, the detection control module 102 controls the second slider 60 to pause through the second controller, the first controller also synchronously controls the first slider 50 to pause, then the detection control module 102 sends a command for controlling the second hydraulic telescopic rod 603 to extend to the fourth controller, the fifth controller sends a command for controlling the third hydraulic telescopic rod 301 to extend, the second oil pump 604 pumps hydraulic oil into the second hydraulic telescopic rod 603, the second hydraulic telescopic rod 603 lifts up the rotating part and the cleaning barrel 501, the third oil pump 302 pumps hydraulic oil into the third hydraulic telescopic rod 301, after the third hydraulic telescopic rod 301 is extended, the electrode probe 20 is pushed to move downwards, so that the electrode probe 20 is inserted into the detection cylinder 601, the electrode probe 20 detects a sample to be detected of the detection cylinder 601, and detected data is transmitted to the detection control module 102 for processing and storing.
Through the process, the sample to be detected in the detection cylinder 601 can be quickly replaced, and the clean water in the cleaning cylinder 501 can be conveniently replaced; the electrode probe 20 can be switched between a detection use state and a cleaning standby state by conveniently sliding the first sliding block 50 and the second sliding block 60, and the electrode probe 20 can be matched with the distance between the cleaning cylinder 501 and the detection cylinder 601 by the corresponding first hydraulic telescopic rod 401, the second hydraulic telescopic rod 603 and the third hydraulic telescopic rod 301, so that smooth detection and cleaning can be conveniently carried out; meanwhile, in the process of cleaning the electrode probe 20, the cleaning cylinder 501 is driven by the rotating shaft 505 to rotate relative to the electrode probe 20, so that the brush 502 can comprehensively and quickly brush the electrode probe 20, and the cleaning efficiency is obviously improved.
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (7)
1. An acidimeter capable of easily measuring a pH value comprises a workbench, a detection control module and an electrode probe, wherein the electrode probe is electrically connected with the detection control module; the cleaning unit comprises a cleaning barrel which is right opposite to the electrode probe, a rotating part which drives the cleaning barrel to rotate and a moving unit which drives the cleaning barrel to horizontally move and vertically move, wherein the rotating part is arranged between the cleaning barrel and the moving unit, and a plurality of hairbrushes are fixedly arranged on the inner wall of the cleaning barrel.
2. The acidometer easy to measure the pH value as claimed in claim 1, wherein the moving unit comprises a slide rail and a first slide block slidably mounted on the slide rail, the slide rail is horizontally and fixedly mounted on the worktable, and a first lifting portion is disposed between the rotating portion and the first slide block.
3. The acidometer easy to measure the pH value as claimed in claim 2, wherein the first lifting unit comprises a first hydraulic telescopic rod and a first oil pump controlling the extension or contraction of the first hydraulic telescopic rod, the first hydraulic telescopic rod is vertically disposed between the rotating unit and the first slide block, the upper end of the first hydraulic telescopic rod is fixedly connected to the rotating unit, and the lower end of the first hydraulic telescopic rod is fixedly connected to the first slide block.
4. The acidometer easy for measuring the pH value as claimed in claim 3, wherein the rotating part comprises a micro motor and a rotating shaft fixedly connected with the output end of the micro motor, the micro motor is fixedly mounted on the upper end of the first hydraulic telescopic rod, the rotating shaft is vertically arranged, and the upper end of the rotating shaft is detachably connected with the cleaning barrel.
5. The acidometer easy for measuring the pH value as claimed in claim 4, further comprising a detection cylinder, wherein the moving unit further comprises a second lifting portion and a second slider slidably mounted on the slide rail, the second lifting portion comprises a second hydraulic telescopic rod and a second oil pump for controlling the extension or shortening of the second hydraulic telescopic rod, the detection cylinder and the second hydraulic telescopic rod are both vertically arranged, the second hydraulic telescopic rod is vertically arranged between the detection cylinder and the second slider, and the upper end of the second hydraulic telescopic rod is detachably connected with the lower end of the detection cylinder.
6. The acidometer easy for measuring the pH value of claim 5, further comprising a third lifting part, wherein the third lifting part comprises a third hydraulic telescopic rod and a third oil pump for controlling the extension or shortening of the third hydraulic telescopic rod, the third hydraulic telescopic rod is vertically arranged between the mounting frame and the electrode probe, the upper end of the third hydraulic telescopic rod is fixedly connected with the mounting frame, and the lower end of the third hydraulic telescopic rod is fixedly connected with the upper end of the electrode probe.
7. The acidometer easy for measuring the pH value as claimed in claim 6, further comprising a control unit, wherein the control unit comprises a first controller for controlling the horizontal movement distance and direction of the first slider, a second controller for controlling the horizontal movement distance and direction of the second slider, a third controller for controlling the extension or contraction of the first hydraulic telescopic rod, a fourth controller for controlling the extension or contraction of the second hydraulic telescopic rod, a fifth controller for controlling the extension or contraction of the third hydraulic telescopic rod, a sixth controller for controlling the micro motor to be turned on or off, a first switch for inputting a detection command, and a second switch for inputting a cleaning command, and the first controller, the second controller, the third controller, the fourth controller, the fifth controller, the sixth controller, the first switch and the second switch are electrically connected to the detection control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122983485.9U CN216433976U (en) | 2021-11-29 | 2021-11-29 | Acidimeter of easily surveying pH value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122983485.9U CN216433976U (en) | 2021-11-29 | 2021-11-29 | Acidimeter of easily surveying pH value |
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| CN216433976U true CN216433976U (en) | 2022-05-03 |
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| CN202122983485.9U Active CN216433976U (en) | 2021-11-29 | 2021-11-29 | Acidimeter of easily surveying pH value |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115201287A (en) * | 2022-07-06 | 2022-10-18 | 上海海关工业品与原材料检测技术中心 | pH value detection unit, pH value detection device and pH value detection method |
| CN115389731A (en) * | 2022-10-26 | 2022-11-25 | 深圳众意远诚环保科技有限公司 | Device for detecting tin content in tin-stripping wastewater |
-
2021
- 2021-11-29 CN CN202122983485.9U patent/CN216433976U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115201287A (en) * | 2022-07-06 | 2022-10-18 | 上海海关工业品与原材料检测技术中心 | pH value detection unit, pH value detection device and pH value detection method |
| CN115389731A (en) * | 2022-10-26 | 2022-11-25 | 深圳众意远诚环保科技有限公司 | Device for detecting tin content in tin-stripping wastewater |
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