CN210109018U - Portable electrochemistry heavy metal detection device - Google Patents
Portable electrochemistry heavy metal detection device Download PDFInfo
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- CN210109018U CN210109018U CN201920565048.5U CN201920565048U CN210109018U CN 210109018 U CN210109018 U CN 210109018U CN 201920565048 U CN201920565048 U CN 201920565048U CN 210109018 U CN210109018 U CN 210109018U
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- detection device
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- metal detection
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Abstract
The utility model discloses a portable electrochemistry heavy metal detection device, controlling means and detection device including wireless connection, detection device has thin hourglass shape casing in the middle of the both ends is thick, be equipped with the tripod in the casing and be fixed in working electrode, counter electrode, reference electrode on the tripod, the diapire is equipped with discharger, potential scanner and potential recorder in the casing, the center of tripod is fixed in the shells inner wall top through the connecting rod, the shell surface is equipped with the feeder hopper, be equipped with the control valve on the feeder hopper, be equipped with the flowmeter between feeder hopper and the shell surface. The utility model provides a portable electrochemistry heavy metal detection device, portable and grip, can carry out heavy metal detection on the spot in real time.
Description
Technical Field
The utility model belongs to the technical field of detection device, specifically be a portable electrochemistry heavy metal detection device.
Background
At present, food, soil and water are gradually polluted by industrial waste gas, waste water and waste residues, even some people directly irrigate crops by using industrial waste water, so that a large amount of heavy metals such as cadmium, copper, arsenic, chromium, mercury, nickel, iron, aluminum, zinc, manganese, copper and the like in soil cultivated layers are enriched, and particularly, the suburban phenomenon is more serious. In addition, the heavy metal content in foods such as wheat, vegetables and fishes seriously exceeds the standard due to the use of a large amount of inorganic chemical pesticides, and the heavy metal content is continuously accumulated in human bodies after being eaten, so that the human bodies of consumers are damaged. Many collective heavy metal poisoning incidents have occurred in China, and the high importance of governments and the wide attention of various social circles are aroused, so that the method is very important for detecting the content of heavy metals in food. However, the current heavy metal measurement mostly has the problems of low measurement speed, complicated steps, expensive instruments and the like.
A chinese patent "an electrochemical heavy metal detection device" disclosed in 22.3.2017, and publication No. CN206038601U, which includes a sample container and a container cover for closing the sample container, wherein the sample container is internally provided with a partition part for dividing the sample container into a first container and a second container, an opening of the first container is provided with a first electrode holder, and an opening of the second container is provided with a second electrode holder; a first shaft, a first driven wheel, a second shaft, a second driven wheel, a driving motor and a driving wheel are arranged in the container cover, a first synchronous belt is arranged between the driving wheel and the first driven wheel, and a second synchronous belt is arranged between the driving wheel and the second driven wheel; the first driven wheel is also connected with a first stirring rod penetrating through the first electrode holder, and the second driven wheel is also connected with a second stirring rod penetrating through the second electrode holder; the detection device further comprises a control circuit. Although the detection device of this patent has reached the purpose of accurate detection, its structure is complicated, and it is great to occupy the volume, is not portable.
Chinese patent "a heavy metal detection device that easily dismouting carried" that 9.5.2017 published, CN206470268U, this patent includes the fixed station, the top fixed mounting of fixed station has the holding ring, the side fixed mounting of fixed station bottom has the position sleeve, the fixed cover is equipped with the bolt on the position sleeve, the middle part of bolt cup joints with the top activity of cradling piece, the middle part fixed mounting of cradling piece has the fixed axle, the fixed axle cup joints with the one end activity of gusset plate, the constant head tank has been seted up to the bottom of the gusset plate other end, be provided with the bandage that is located the fixed axle below on the cradling piece. Although the patent realizes simple disassembly and assembly of the detection device, the detection device still has enough volume and weight and poor portability.
In the prior art, compared with the traditional method for detecting heavy metals, the electrochemical sensor has the advantages of low cost, high sensitivity, simplicity and convenience in operation and the like, and is more suitable for field detection.
Disclosure of Invention
The utility model aims at the problem that prior art exists, provide a portable electrochemistry heavy metal detection device, portable and grip, can carry out heavy metal detection on the spot in real time.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a portable electrochemistry heavy metal detection device, includes wireless connection's controlling means and detection device, detection device has thin hourglass shape casing in the middle of the both ends thickness, be equipped with the tripod in the casing and be fixed in working electrode, counter electrode, reference electrode on the tripod, the diapire is equipped with discharger, potential scanner and potential recorder in the casing, the center of tripod is fixed in the shells inner wall top through the connecting rod, the shell surface is equipped with the feeder hopper, be equipped with the control valve on the feeder hopper, be equipped with the flowmeter between feeder hopper and the shell surface.
The utility model discloses set up thin hourglass casing in the middle of the both ends thickness and place the tripod and be used for carrying on the electrode that heavy metal ion detected to fix the electrode that is used for heavy metal ion to detect through the tripod, such structure conveniently carries and grips, through the beginning and the end of controlling means control testing process and the receipt and the demonstration of testing result simultaneously.
Further, the working electrode is a stainless steel electrode, the counter electrode is a gold electrode or a platinum electrode, and the reference electrode is a cathode, a silver chloride or a calomel electrode. The stainless steel electrode is used as a working electrode, can detect various heavy metal ions simultaneously, is convenient and easy to obtain materials, has low device cost, and simultaneously improves the detection selectivity.
The utility model discloses in, in the solution that awaits measuring that will contain heavy metal ion introduces detection device through the feeder hopper, with the electrode contact who is used for heavy metal ion to detect, apply the deposit potential and carry out the preliminary treatment, reuse square wave positive pole dissolves out voltammetry and scans, records ionic peak potential and peak current value, contrast standard curve obtains heavy metal ion's kind and content.
Preferably, the working electrode, the counter electrode and the reference electrode are respectively fixedly connected to the tail ends of the supports of the tripod.
Preferably, the potential recorder is connected with the control device, and the potential recorder is connected with the potential scanner.
Preferably, the potential recorder is provided with a first wireless transmission module, and the first wireless transmission module is connected with the control device.
Preferably, a plurality of elastic protrusions are provided on an outer surface of the middle portion of the housing. The arrangement of the elastic bulges is beneficial to skid resistance, so that the worker can conveniently grip the device, and the danger of the detection device slipping is avoided.
Preferably, the control device comprises a single chip microcomputer, a second wireless transmission module, a display module, an alarm module and a power supply module.
Specifically, the single chip microcomputer receives detection data transmitted by the detection device, displays a detection result through the display module after simple processing is carried out, and gives an alarm through the alarm module when the detection data is compared with pre-stored normal data to find abnormality.
The power module is used for supplying power for the control device and can adopt a lithium battery for supplying power.
The single chip microcomputer can also send the detection result to the terminal equipment through the second wireless transmission module.
The first wireless transmission module and the second wireless transmission module can adopt the existing GPRS wireless transmission module.
Preferably, the control device is provided with a shell, and the shell is provided with a display screen, a startup and shutdown button and an alarm.
Specifically, the display screen is used for displaying the detection result or serving as a display interface of other data. The power on/off button can adopt a mechanical button protruding out of the shell of the control device or an induction type button. The alarm module can adopt a red light flashing alarm.
Preferably, the feed hopper is provided on an upper surface of the housing.
Further, the upper surface of the shell is provided with a cover plate, and the feed hopper penetrates through the cover plate to be connected with the shell of the detection device.
Preferably, the tripod support is provided in the lower part of the housing.
Preferably, an external battery is arranged at the bottom of the shell and used for supplying power to devices in the detection device.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the hourglass shell with thick ends and thin middle part for placing the tripod and the electrodes for detecting heavy metal ions, and the tripod is used for fixing the electrodes, so that the detection device is convenient to carry and hold, and is convenient for real-time and real-timely detecting heavy metals; meanwhile, the utility model controls the start and the end of the detection process and the receiving and the displaying of the detection result through the control device, and can also send the detection result to the remote terminal equipment, thereby being convenient for the concentration and the statistical analysis of a large amount of detection data; the utility model discloses heavy metal ion detection's process is accomplished by detection device and controlling means two parts, carries out the testing process control to detection device through controlling means, detects data processing, demonstration and teletransmission simultaneously to the structure of detection device itself has been simplified, has increased the portability.
Drawings
Fig. 1 is a schematic external structural view of the detection device according to the embodiment of the present invention;
fig. 2 is a schematic structural diagram of the control device according to the embodiment of the present invention;
fig. 3 is a schematic view of the internal structure of the detecting device according to the embodiment of the present invention;
fig. 4 is a top view of an inner exploded structure of the detecting device according to the embodiment of the present invention;
fig. 5 is a schematic external structural view of the detection device according to the embodiment of the present invention;
fig. 6 is according to the embodiment the utility model discloses carry out heavy metal detection's testing process schematic diagram.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 6, the utility model provides a portable electrochemistry heavy metal detection device, including wireless connection's controlling means 100 and detection device 200, detection device 200 will detect data transfer and give controlling means 100, and controlling means 100 controls the beginning and the end of detection device 200 testing process and the processing, the demonstration and the teletransmission of detection data. The detection device 200 has an hourglass-shaped housing 1 with two thick ends and a thin middle, and the housing 1 is integrally formed. Be equipped with tripod 2 in casing 1 and be fixed in working electrode 3, counter electrode 4, reference electrode 5 on the tripod 2, the diapire is equipped with discharger 6, potential scanner 7 and potential recorder 8 in casing 1, the center of tripod 2 is fixed in casing 1 inner wall top through connecting rod 9, casing 1 surface is equipped with feeder hopper 10, be equipped with control valve 11 on the feeder hopper 10, be equipped with flowmeter 12 between feeder hopper 10 and the casing 1 surface. The utility model discloses in, wait to detect in solution introduces detection device 200 through the feed inlet, through the volume of waiting to detect solution in control valve 11 and flowmeter 12 control introduction detection device 200, wait to detect solution introduction back in detection device 200, with the working electrode 3 that is used for heavy metal ion to detect, counter electrode 4, reference electrode 5 contact, controlling means 100 opens testing process, detecting means 200 circular telegram, discharger 6 discharges, it carries out the preliminary treatment to apply the deposit potential, utilize square wave positive pole to dissolve out voltammetry to scan through potential scanner 7, peak potential and peak current value through 8 record ion of potential recorder, and convey it to controlling means 100, controlling means 100 contrast standard curve, obtain heavy metal ion's kind and content, controlling means 100 closes testing process.
Specifically, the working electrode 3 is a stainless steel electrode, the counter electrode 4 is a gold electrode or a platinum electrode, and the reference electrode 5 is a cathode, silver chloride or calomel electrode. The stainless steel electrode is used as the working electrode 3, can detect various heavy metal ions simultaneously, has the advantages of convenient and easily obtained materials and low device cost, and simultaneously improves the detection selectivity. In the detection process, an external battery 23 arranged at the bottom of the shell 1 supplies power to devices in the detection device 200, and the external battery 23 comprises a lithium battery and a button battery.
In order to increase the portability of the heavy metal detection device 200, the whole detection device 200 is divided into two parts, namely a control device 100 and a detection device 200, and data interaction is realized between the two parts through wireless transmission. Specifically, the first wireless transmission module 13 is provided on the potential recorder 8 of the detection device 200, the second wireless transmission module 16 is provided on the control device 100, and the first wireless transmission module 13 is connected to the second wireless transmission module 16. The second wireless transmission module 16 is further connected to a remote terminal device 300, and is configured to remotely send the on-site heavy metal ion detection data to the terminal device 300, such as a PC of a management center, so as to better perform prevention and control monitoring on heavy metal pollution, and perform big data analysis and statistics on massive heavy metal detection data. The first and second wireless transmission modules 16 can be implemented by using an existing wireless transmission module, such as a GPRS communication module with a model JNFT-F2308.
In the operation process of a worker, the portable device has insufficient holding force due to the fact that the outer wall of the device is too smooth or the diameter of the outer wall is too large, equipment slides down, and unnecessary loss is caused, so that a plurality of elastic protrusions 14 are arranged on the outer surface of the middle portion of the shell 1. The arrangement of the elastic protrusions 14 is beneficial to skid resistance, is convenient for workers to hold and avoids the danger that the detection device 200 slips off. The elastic protrusion 14 may be adhered or fixed by forming a limiting hole on the outer surface of the middle portion of the housing 1.
In order to simplify the structure of the whole heavy metal detection device 200, the whole heavy metal detection device 200 is divided into a control device 100 and a detection device 200, wherein the control device 100 is provided with a shell, a display screen 20, a power on/off button 21 and an alarm 22 are arranged on the shell, and a single chip microcomputer 15, a second wireless transmission module 16, a display module 17, an alarm module 18 and a power supply module 19 are arranged in the shell. The single chip microcomputer 15 is connected with the second wireless transmission module 16, the display module 17, the alarm module 18 and the power module 19. The single chip microcomputer 15 receives the detection data transmitted by the detection device 200 through the second wireless transmission module 16, after simple processing, the detection data is displayed through the display module 17, and a worker checks the detection data result through the display screen 20 on the surface of the shell 1. The display module 17 is connected to a display screen 20. The alarm module 18 is connected to an alarm 22. The single chip microcomputer 15 also gives an alarm through the alarm module 18 when the detected data is compared with the pre-stored normal data to find abnormality, and reminds field workers through the alarm 22 on the surface of the shell 1.
Specifically, the model of the single chip microcomputer 15 is STM32F103C8T 6. The power module 19 is a lithium battery. The display screen 20 is used for displaying the detection result or used as a display interface of other data, and the LCD display screen 20 or the LED display screen 20 is selected. The power on/off button 21 is a mechanical button protruding out of the housing of the control device 100, or an inductive button. The alarm module 18 adopts a red light flashing alarm 22.
In order to better introduce the solution to be tested into the testing device 200, a feed hopper 10 is arranged on the upper surface of the shell 1 of the testing device 200, and a dust cover is arranged on the feed hopper 10. When heavy metal ion detection needs to be carried out, the dust cover is opened, the solution to be detected is led in, the flow rate of the led-in solution is controlled through the control valve 11, and the solution to be detected in the detection device 200 is metered and led in through the flowmeter 12. Further, a cover plate is arranged on the upper surface of the shell 1, the feed hopper 10 penetrates through the cover plate to be connected with the detection device 200, and the solution to be detected is introduced into the detection device 200.
In order to enable the electrode fixedly connected to the tripod 2 to be in full contact with the solution to be detected and avoid the contact with the inner wall of the shell 1 of the detection device 200, the electrode is in insufficient contact with the solution to be detected, and therefore the support of the tripod 2 is arranged at the lower part of the shell 1. The three supports of the tripod 2 are respectively fixedly connected with electrodes, and the center of the tripod 2 is fixed at the top of the shell 1 through a connecting rod 9. The electrodes can be fixedly connected to the proper positions of the bracket according to the condition. The tripod 2 is made of non-metal materials.
The utility model is provided with the hourglass shell 1 with thick ends and thin middle part for placing the tripod 2 and the electrodes for detecting heavy metal ions, and the tripod 2 is used for fixing the electrodes, so that the detection device 200 is convenient to carry and hold, and is convenient for real-time and real-time detection of heavy metals; meanwhile, the utility model controls the start and the end of the detection process and the receiving and the displaying of the detection result through the control device 100, and can also send the detection result to the remote terminal equipment 300, thereby facilitating the big data analysis and statistics of the mass detection data; the utility model discloses heavy metal ion detection's process is accomplished by detection device 200 and controlling means 100 two parts, carries out the testing process control to detection device 200 through controlling means 100, detects data processing, demonstration and teletransmission simultaneously to the structure of detection device 200 itself has been simplified, the portability has been increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a portable electrochemistry heavy metal detection device, includes wireless connection's controlling means and detection device, its characterized in that, detection device has the thin hourglass shape's of being casing in the middle of the both ends thickness, be equipped with the tripod in the casing and be fixed in working electrode, counter electrode, reference electrode on the tripod, the diapire is equipped with discharger, potential scanner and potential recorder in the casing, the center of tripod is fixed in the shells inner wall top through the connecting rod, the shells outer surface is equipped with the feeder hopper, be equipped with the control valve on the feeder hopper, be equipped with the flowmeter between feeder hopper and the shells outer surface.
2. The portable electrochemical heavy metal detection device of claim 1, wherein the working electrode, the counter electrode and the reference electrode are fixedly connected to the ends of the supports of the tripod respectively.
3. The portable electrochemical heavy metal detection device of claim 1, wherein the potential recorder is connected with the control device, and the potential recorder is connected with the potential scanner.
4. The portable electrochemical heavy metal detection device of claim 3, wherein the potential recorder is provided with a first wireless transmission module, and is connected with the control device.
5. The portable electrochemical heavy metal detection device of claim 1, wherein a plurality of elastic protrusions are disposed on an outer surface of the middle portion of the housing.
6. The portable electrochemical heavy metal detection device of claim 1, wherein the control device comprises a single chip microcomputer, a second wireless transmission module, a display module, an alarm module and a power supply module.
7. The portable electrochemical heavy metal detection device of claim 1, wherein the control device has a housing, and the housing is provided with a display screen, a power on/off button and an alarm.
8. The portable electrochemical heavy metal detection device of claim 1, wherein the feed hopper is disposed on an upper surface of the housing.
9. The portable electrochemical heavy metal detection device of claim 1, wherein the tripod support is disposed at a lower portion of the housing.
10. The portable electrochemical heavy metal detection device of claim 1, wherein the bottom of the housing is provided with an external battery for supplying power to the devices in the detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565048.5U CN210109018U (en) | 2019-04-24 | 2019-04-24 | Portable electrochemistry heavy metal detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565048.5U CN210109018U (en) | 2019-04-24 | 2019-04-24 | Portable electrochemistry heavy metal detection device |
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| Publication Number | Publication Date |
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| CN210109018U true CN210109018U (en) | 2020-02-21 |
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| CN201920565048.5U Expired - Fee Related CN210109018U (en) | 2019-04-24 | 2019-04-24 | Portable electrochemistry heavy metal detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945624A (en) * | 2020-07-16 | 2022-01-18 | 武汉市农业科学院 | Portable food heavy metal detection system |
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2019
- 2019-04-24 CN CN201920565048.5U patent/CN210109018U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945624A (en) * | 2020-07-16 | 2022-01-18 | 武汉市农业科学院 | Portable food heavy metal detection system |
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Granted publication date: 20200221 |