CN210665597U - Portable three-electrode structure - Google Patents
Portable three-electrode structure Download PDFInfo
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- CN210665597U CN210665597U CN201920553197.XU CN201920553197U CN210665597U CN 210665597 U CN210665597 U CN 210665597U CN 201920553197 U CN201920553197 U CN 201920553197U CN 210665597 U CN210665597 U CN 210665597U
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Abstract
The utility model relates to a portable three-electrode structure, which comprises a substrate, wherein a detection part and a conduction part are arranged on the substrate, the detection part comprises a first detection layer, a second detection layer and a third detection layer, the first detection layer and the third detection layer are respectively positioned at two side edges of the second detection layer, the conduction part comprises a first conduction layer, a second conduction layer and a third conduction layer, the first end part of the first conduction layer is connected with the first detection layer, the first end part of the second conduction layer is connected with the second detection layer, the first end part of the third conduction layer is connected with the third detection layer, the second end part of the first conduction layer, the second end part of the second conduction layer and the second end part of the third conduction layer extend to the side part of the substrate, the purpose of tight butt joint with a USB standard interface is realized by designing a USB interface part, the connection mode of a conduction path between the first conduction layer and the second conduction layer and the third conduction layer is simplified, the, the portability is improved, and the raised dam is designed to play a role in effectively preventing the liquid to be detected from overflowing the electrode detection area.
Description
Technical Field
The utility model relates to a biological electrochemical sensing technical field especially relates to a portable three electrode structure.
Background
At present, most scientific research detection institutions or colleges and universities still adopt a three-electrode system to rapidly detect pH, the detection operation also adopts a mode of inserting a working electrode, a counter electrode and a reference electrode into a glass container containing liquid to be detected, the detection mode of inserting three electrodes which are independently separated into the glass container to perform electrochemical detection is complex and tedious to operate, the three-electrode system does not have portability, a guide path connection mode between the three electrodes and an electrochemical workstation basically still adopts a welding mode, the operation of guide path connection is troublesome, and the change of the electrodes is not facilitated.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the problem that the prior three-electrode system mentioned in the background art has no portability and the operation mode of the guide path connection between the three-electrode system and the electrochemical workstation is complicated and troublesome, the utility model provides a portable three-electrode structure.
In order to solve the above problem, the utility model provides a following technical scheme:
a portable three-electrode structure comprises a substrate, wherein a detection part and a conduction part are arranged on the substrate, the detection part comprises a first detection layer, a second detection layer and a third detection layer, the first detection layer is used as a reference electrode, the second detection layer is used as a working electrode, the third detection layer is used as a counter electrode, the first detection layer and the third detection layer are respectively positioned at two sides of the second detection layer, the conduction part comprises a first conduction layer, a second conduction layer and a third conduction layer, a first end of the first conduction layer is connected with the first detection layer, a first end of the second conduction layer is connected with the second detection layer, a first end of the third conduction layer is connected with the third detection layer, and a second end of the first conduction layer, a second end of the second conduction layer and a second end of the third conduction layer all extend to the side part of the substrate, and the USB interface part is formed together with the substrate.
Furthermore, the first conducting layer, the second conducting layer and the third conducting layer are arranged on the substrate in parallel at equal intervals, so that a USB interface part is designed conveniently, the USB interface part is standardized, data communication with an external electrochemical workstation is realized conveniently through a USB standard interface, the first detection layer, the second detection layer and the third detection layer are arranged on the substrate in a coplanar mode, and three detection layers are designed in a coplanar mode, so that the electrochemical reaction of the liquid to be detected on the electrode structure can be observed conveniently.
Further, the second detection layer is rectangular, and the area of the second detection layer is 8-15mm2In addition, the shape of the second detection layer can be circular, correspondingly, the diameter of the second detection layer is 2-4mm, and since the electrochemical test is very sensitive to the area requirement of the electrode, the signal displayed by the electrochemical test is current density, the second detection layer is set to be rectangular, so that the requirement of a customer on the area requirement of the electrode can be met, and the second detection layer is set to be circular, so that the requirement of the customer on the diameter requirement of the electrode can be met.
Further, a protective layer with a pattern printed on the surface is arranged on the substrate, the protective layer covers the middle of the first conductive layer, the middle of the second conductive layer and the middle of the third conductive layer, the protective layer can play a role in insulating and protecting the electrode part which does not participate in detection reaction and data communication, effectively prolongs the service life of the electrode structure, the pattern printed on the surface of the protective layer may be a data pattern marking the diameter or surface area of the second detection layer, or a data pattern marking the serial number or related parameters of the electrode product, the data pattern printed on the protective layer 5 can be used for facilitating a detector to identify the product model of the electrode structure through data such as the diameter, the surface area or the serial number on the protective layer, and the detection personnel can select the electrode structure with the proper diameter or surface area according to the data pattern to perform electrochemical detection.
Further, be equipped with on the basement around the protruding box dam of detection part, so that detection part on the basement can constitute the electrode detection zone that is used for carrying out the electrochemistry to detect, when instiling into the liquid that awaits measuring in the electrode detection zone, can play the effect of effectively avoiding awaiting measuring the liquid and overflowing this electrode structure, be convenient for dropwise add solution or biochemical tissue liquid in the biochemical detection in order to carry out the electrochemistry to detect.
Furthermore, the silver chloride layer is plated on the first detection layer and can be used as a reference electrode, the pure gold layer is plated on the second detection layer, gold is stable in chemical property and excellent in conductivity and can be used as a working electrode, and the platinum layer is plated on the third detection layer, so that platinum is stable in electrochemical property and can be used as a counter electrode.
Further, the substrate is made of epoxy resin (FR-4 epoxy resin) with a fire-resistant grade of 4, or ceramic, or Polyimide (PI), or polyethylene terephthalate (PET), or a resin substrate material (BT), and for a high-sensitivity electrode structure, the substrate is made of ceramic, for an electrode used for conventional detection, the substrate is made of FR-4 epoxy resin or BT, and for an electrode structure used for flexible wearable equipment, the substrate is made of PI or PET.
The utility model has the advantages that: simple structure, reasonable in design, through designing the USB interface part, make this electrode can realize the purpose with the inseparable butt joint of USB standard interface, simplified with the electrochemistry workstation between the guide way connected mode, and be convenient for change, with the integrated design of three electrodes on the basement, improve the portability greatly, also make the distance between the electrode can the immobilization, the detection interference has been reduced, the detectivity and the detection data precision have been improved, design protruding box dam can play the effect of effectively avoiding waiting to detect the liquid and spill over electrode detection area, be convenient for carry out the electrochemistry detection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the portable three-electrode structure of the present invention when the second detection layer is rectangular;
fig. 2 is a schematic structural view of the second detection layer of the portable three-electrode structure of the present invention when it is circular;
in the figure: 1. a substrate; 2. a detection unit; 21. a first detection layer; 22. a second detection layer; 23. a third detection layer; 3. a conduction part; 31. a first conductive layer; 32. a second conductive layer; 33. a third conductive layer; 4. a USB interface part; 5. a protective layer; 6. and (4) a raised box dam.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in 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.
The first embodiment is as follows:
FIG. 1 shows a portable three-electrode structure, which comprises a substrate 1, a detection part 2 and a conduction part 3 are arranged on the substrate 1, the detection part 2 comprises a first detection layer 21, a second detection layer 22 and a third detection layer 23, the first detection layer 21 is used as a reference electrode, the second detection layer 22 is used as a working electrode, the third detection layer 23 is used as a counter electrode, the first detection layer 21 and the third detection layer 23 are respectively arranged at two sides of the second detection layer 22, the conduction part 3 comprises a first conduction layer 31, a second conduction layer 32 and a third conduction layer 33, a first end of the first conduction layer 31 is connected with the first detection layer 21, a first end of the second conduction layer 32 is connected with the second detection layer 22, a first end of the third conduction layer 33 is connected with the third detection layer 23, a second end of the first conduction layer 31, a second end of the second conduction layer 32 and a second end of the third conduction layer 33 extend to the side of the substrate 1, together with the substrate 1, a USB interface section 4 is formed.
Referring to fig. 1, the first conductive layer 31, the second conductive layer 32 and the third conductive layer 33 are parallel and equidistantly disposed on the substrate 1, so as to design the USB interface portion 4, standardize the USB interface portion 4, and facilitate data communication with an external electrochemical workstation through a USB standard interface, the first detection layer 21, the second detection layer 22 and the third detection layer 23 are disposed on the substrate 1 in a coplanar manner, and three detection layers are designed in a coplanar manner, so as to facilitate observation of an electrochemical reaction of a solution to be detected on the electrode structure.
Wherein, referring to FIG. 1, the second detection layer 22 is rectangular, and the area of the second detection layer 22 is 8-15mm2Since the electrochemical test is very sensitive to the area requirement of the electrode, since the electrochemical detection shows a signal of current density, the rectangular shape of the second detection layer 22 can meet the requirement of the customer for the area requirement of the electrode.
Referring to fig. 1, a protective layer 5 with a pattern printed on the surface is disposed on a substrate 1, the material of the protective layer 5 is preferably ink, the protective layer 5 covers the middle of a first conductive layer 31, the middle of a second conductive layer 32, and the middle of a third conductive layer 33, the protective layer 5 can play a role of insulating and protecting the electrode part which does not participate in detection reaction and data communication, so as to effectively prolong the service life of the electrode structure, the pattern printed on the surface of the protective layer 5 can be a data pattern for marking the surface area of the second detection layer 22, or a data pattern for marking the serial number or related parameters of the electrode product, the data patterns printed on the protective layer 5 can achieve the effect of facilitating detection personnel to identify the product model of the electrode structure through the data such as the surface area, the serial number and the like on the protective layer 5, and the detection personnel can select the electrode structure with the appropriate surface area according to the data patterns to perform electrochemical detection.
Referring to fig. 1, be equipped with on the basement 1 around the protruding box dam 6 of detection portion 2, the preferred printing ink of material of protruding box dam 6 to make detection portion 2 on the basement 1 can constitute the electrode detection zone that is used for carrying out electrochemical detection, when dripping into the liquid that awaits measuring in the electrode detection zone, can play the effect of effectively avoiding the liquid that awaits measuring to spill over this electrode structure, be convenient for dropwise add solution or biochemical tissue liquid in biochemical detection in order to carry out electrochemical detection.
The first detection layer 21 is plated with a silver chloride layer (not shown) and can be used as a reference electrode, the second detection layer 22 is plated with a pure gold layer (not shown), gold is stable in chemical property and excellent in conductivity and can be used as a working electrode, the third detection layer 23 is plated with a platinum layer (not shown), and platinum is stable in electrochemical property and can be used as a counter electrode.
Preferably, the substrate 1 is made of epoxy resin (FR-4 epoxy resin) with a fire resistance rating of 4, or ceramic, or Polyimide (PI), or polyethylene terephthalate (PET), or a resin substrate material (BT), and for the high-sensitivity electrode structure, the substrate 1 is made of ceramic, and for the electrode structure for conventional detection, the substrate 1 is made of FR-4 epoxy resin or BT, and for the electrode structure for flexible wearable equipment, the substrate 1 is made of PI or PET.
During the use, meet USB interface part 4 with the USB standard interface of outside electrochemistry workstation earlier, later toward dropping solution or biochemical tissue liquid in the electrode detection area in protruding box dam 6 promptly in order to carry out the electrochemistry detection, easy operation, swift and conveniently carry.
The beneficial effects of this embodiment: simple structure, reasonable in design, through designing the USB interface part, make this electrode can realize the purpose with the inseparable butt joint of USB standard interface, simplified with the electrochemistry workstation between the guide way connected mode, and be convenient for change, with the integrated design of three electrodes on the basement, improve the portability greatly, also make the distance between the electrode can the immobilization, the detection interference has been reduced, the detectivity and the detection data precision have been improved, design protruding box dam can play the effect of effectively avoiding waiting to detect the liquid and spill over electrode detection area, be convenient for carry out the electrochemistry detection.
Example two
The present embodiment is the same as the first embodiment except that: referring to fig. 2, the second detection layer 22 is circular, and the diameter of the second detection layer 22 is 2-4mm, since in the electrochemical test, the area size of the electrode part participating in the electrochemical reaction in the electrode affects the detection result because the signal displayed by the electrochemical test is the current density, the second detection layer 22 is circular, so that the requirement of the customer on the diameter of the electrode can be met.
Referring to fig. 2, a protective layer 5 with a pattern printed on the surface is disposed on the substrate 1, the protective layer 5 covers the middle of the first conductive layer 31, the middle of the second conductive layer 32, and the middle of the third conductive layer 33, the protective layer 5 can play a role of insulating and protecting the electrode portions that do not participate in the detection reaction and data communication, so as to effectively prolong the service life of the electrode structure, the pattern printed on the surface of the protective layer 5 can be a data pattern for marking the diameter of the second detection layer 22, or a data pattern for marking the serial number or related parameters of the electrode product, printing the data pattern on the protective layer 5 can play the effect of making things convenient for the testing personnel to discern the product model of this electrode structure through data such as diameter, serial number on the protective layer 5, is favorable to the testing personnel to select the electrode structure of suitable diameter in order to carry out electrochemical detection according to the data pattern.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (8)
1. A portable three-electrode structure is characterized by comprising a substrate, wherein a detection part and a conduction part are arranged on the substrate, the detection part comprises a first detection layer, a second detection layer and a third detection layer, the first detection layer and the third detection layer are respectively positioned on two side edges of the second detection layer, the conduction part comprises a first conduction layer, a second conduction layer and a third conduction layer, a first end of the first conduction layer is connected with the first detection layer, a first end of the second conduction layer is connected with the second detection layer, a first end of the third conduction layer is connected with the third detection layer, and a second end of the first conduction layer, a second end of the second conduction layer and a second end of the third conduction layer all extend to the side portion of the substrate.
2. The portable three-electrode structure of claim 1, wherein said first conductive layer, said second conductive layer and said third conductive layer are disposed parallel and equidistant to each other on said substrate.
3. The portable three-electrode structure of claim 1, wherein the first detection layer, the second detection layer and the third detection layer are all disposed on the substrate in a coplanar manner.
4. A portable three-electrode structure according to claim 1, wherein the second detection layer is profiled to have a surface area of 8-15mm2Is rectangular or circular with a diameter of 2-4 mm.
5. The portable three-electrode structure of claim 1, wherein a protective layer with a pattern printed on the surface is disposed on the substrate, and the protective layer covers the middle of the first conductive layer, the middle of the second conductive layer, and the middle of the third conductive layer.
6. A portable three-electrode structure according to claim 1, wherein the substrate is provided with a raised dam surrounding the sensing portion.
7. The portable three-electrode structure of claim 1, wherein the first detection layer is plated with a silver chloride layer, the second detection layer is plated with a pure gold layer, and the third detection layer is plated with a platinum layer.
8. The portable three-electrode structure of claim 1, wherein the substrate is made of FR-4 epoxy or ceramic or PI or PET or BT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920553197.XU CN210665597U (en) | 2019-04-19 | 2019-04-19 | Portable three-electrode structure |
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| CN201920553197.XU CN210665597U (en) | 2019-04-19 | 2019-04-19 | Portable three-electrode structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229883A (en) * | 2020-09-04 | 2021-01-15 | 中芯维康医疗科技(重庆)有限责任公司 | Step protection structure, detection printed electrode, preparation process and application thereof |
| CN113390937A (en) * | 2021-06-11 | 2021-09-14 | 上海大学 | Wearable flexible printed electrode |
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2019
- 2019-04-19 CN CN201920553197.XU patent/CN210665597U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229883A (en) * | 2020-09-04 | 2021-01-15 | 中芯维康医疗科技(重庆)有限责任公司 | Step protection structure, detection printed electrode, preparation process and application thereof |
| CN113390937A (en) * | 2021-06-11 | 2021-09-14 | 上海大学 | Wearable flexible printed electrode |
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