CN208399426U - A kind of electrochemical heating temperature control electrode - Google Patents
A kind of electrochemical heating temperature control electrode Download PDFInfo
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- CN208399426U CN208399426U CN201820687766.5U CN201820687766U CN208399426U CN 208399426 U CN208399426 U CN 208399426U CN 201820687766 U CN201820687766 U CN 201820687766U CN 208399426 U CN208399426 U CN 208399426U
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- electrode
- temperature control
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- electric heating
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Abstract
The utility model is chemical analysis instrument technical field, specially a kind of electrochemical heating temperature control electrode, it is characterized in that, the electrode includes main-body electrode, electrode shell, temperature sensor, electric heating part, sealing element and conducting wire, the main-body electrode is fixed at one end of the electrode shell, the inside of the electrode shell is arranged in the temperature sensor and the electric heating part, the main-body electrode, temperature sensor and electric heating part are drawn by the conducting wire, the conducting wire is used to be connected with the Automatic Temperature Control of the electrode exterior, the seal member is fixed at the other end of the electrode shell, for by the main-body electrode, temperature sensor and electric heating part are sealed in inside the electrode shell.The main-body electrode, heating member and temperature sensor are switched to the same Automatic Temperature Control by conducting wire, and entire electrode structure is simple, easy to carry and practical operation, can adjust electrode temperature accurately according to the actual situation to reach and preferably test and analyze effect.
Description
Technical field
The utility model belongs to electrochemistry correlative technology field, more particularly, to one kind with electrochemistry, Electroanalytical Chemistry,
Heating, temperature control and the electrode for reading temperature may be implemented in biological electroanalytical chemistry in the related technology.
Background technique
Working electrode refers to the electrode that can cause concentration of component significant change to be measured in test solution during the test, common shape
Formula has glass-carbon electrode and platinum electrode.Since higher electrode surface temperature can reduce diffusion layer viscosity and enhance electrode surface
Convection current promotes the raising of electrolyte mass transfer rate that can significantly increase electrochemical signals relative to room temperature Electrochemical Detection, bright
It is aobvious to reduce detection limit.Meanwhile thermoelectricity pole surface and it can effectively carry out automatically cleaning.It is anti-that redox can not be carried out under some room temperature
The substance answered, needing to carry out electrode heating makes these substances that redox reaction occur and generate electrochemical response signal.Cause
This, heatable working electrode develops into a kind of emerging detection technique gradually.The prior art is in room temperature Electrochemical Detection
Working electrode is heated using high-frequency alternating current simultaneously, obtains higher electrode temperature.
But inventors have found that above-mentioned prior art means have the following disadvantages:
1, the selection of electrode size and material is very limited, and inconvenience is used for large scale and nonmetallic materials electrode
Heating；
2, it cannot achieve the high-precision control to temperature；
3, structure is complicated is not easy to actual operation.
Utility model content
For this reason, it may be necessary to provide a kind of electrochemical heating temperature control electrode, timely, the accurate handle changed to electrode temperature is realized
It holds, while solving the problems, such as that hot working electrode system is complicated, being not easy to practical operation.
To achieve the above object, a kind of electrochemical heating temperature control electrode is inventor provided, including outside main-body electrode, electrode
Shell, temperature sensor, electric heating part, sealing element and conducting wire, the main-body electrode are fixed at one end of the electrode shell,
The inside of the electrode shell, the main-body electrode, temperature sensor is arranged in the temperature sensor and the electric heating part
Automatic Temperature Control with electric heating part with the electrode exterior is connected by conducting wire, and the sealing element is fixed at institute
The other end for stating electrode shell, for the main-body electrode, temperature sensor and electric heating part to be sealed in the electrode shell
It is internal.
Further, the main-body electrode is platinum, silver, gold, iridium, titanium, iron, palladium, nickel, copper, chromium, zirconium, silver tungsten, NiTi
One of alloy, graphite, platinum carbon, vitreous carbon or boron-doped diamond.
Further, the electrode shell be but be not limited to polytetrafluoroethylene (PTFE), poly- trifluoro-ethylene, polyether-ether-ketone (PEEK) or
Epoxy resin.
Further, the section of described main-body electrode one end is exposed to outer, and rest part is coated by the electrode shell.
Further, the temperature sensor is thermal resistance or thermocouple.
Further, the temperature sensor is but is not limited to Pt100, Pt1000, negative temperature coefficient thermal resistance (NTC), S
Type standardized thermocouple, Type B standardized thermocouple, E type standardized thermocouple, K-type standardized thermocouple, R type standardize thermoelectricity
Occasionally one of J-type standardized thermocouple.
Further, the temperature sensor is additionally provided with insulating coating.
Further, the insulating coating is one of glass tube, ceramic tube or plastic tube.
Further, the electric heating part includes metal electric heating part or non-metal electric heating part.
Further, the electric heating part includes copper wire, nickel filament (Ni-Cr), Fe-Cr-Al wire (Fe-Cr-Al), nickel-iron wire
(Ni-Fe), nickel-copper wire (Ni-Cu)), silicon carbide, one of Si-Mo rod and ceramic outbox or a variety of.
It is different from the prior art, main-body electrode, heating member and temperature sensor are all disposed within electrode by above-mentioned technical proposal
Interior of shell, the main-body electrode, heating member and temperature sensor are switched to the same Automatic Temperature Control by conducting wire, and temperature is certainly
Movement controller can realize that web response body Web electrode current signal, supply alternating current or direct current supply electricity to heating member and read temperature pass
The temperature data of sensor received temperature signal conversion, entire electrode structure is simple, easy to carry and practical operation, can be according to reality
Border situation adjusts electrode temperature accurately to reach better electrochemical reaction effect.
Detailed description of the invention
Fig. 1 and Fig. 2 is a kind of structural schematic diagram of electrochemical heating temperature control electrode of the present embodiment；
Fig. 3 is a kind of equipment schematic diagram of the electrochemical heating temperature control electrode of the present embodiment in electrolytic cell；
Fig. 4 is the equipment signal of a kind of electrochemical heating temperature control electrode of the present embodiment and rotating circular disk fit applications
Figure.
Description of symbols:
1, main-body electrode；
2, temperature sensor；
3, electric heating part；
4, shell；
5, sealing element；
6, conducting wire；
10, electrochemical heating temperature control electrode；
201, electrolytic cell；
301, Automatic Temperature Control；
401, rotating circular disk；
501, slip ring.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
The utility model provides a kind of electrochemical heating temperature control electrode, according to the needs of different embodiments, the electrochemistry
Heating temperature control electrode can cooperate different electrochemical analysis detection reaction units to carry out using in actual use, which can
On a rotary disc, can also be fixed on anti-to electrode on external bracket or cover board equipped with electrode perforations by slip ring connection
It answers system to be detected, is specifically detailed in the following example.
Embodiment one
Fig. 1 and Fig. 2 are please referred to, is as shown in the figure a kind of structural schematic diagram of electrochemical heating temperature control electrode, the electrode
Including main-body electrode 1, electrode shell 4, temperature sensor 2, electric heating part 3, sealing element 5 and conducting wire 6, the main-body electrode 1 is solid
One end of the electrode shell 4 is set calmly, the section of 1 one end of main-body electrode be exposed to it is outer, rest part by the electrode outside
Shell 4 coats, and the inside of the electrode shell 4 is arranged in the temperature sensor 2 and the electric heating part 3, and is located at described
The top of main-body electrode 1, the temperature sensor can be arranged side by side with electric heating part, can also be set under the electric heating part
Portion, the main-body electrode 1, temperature sensor 2 and electric heating part 3 are drawn by the conducting wire 6, the conducting wire 6 be used for it is described
The Automatic Temperature Control 301 of electrode exterior is connected, and the sealing element 5 is fixed at the other end of the electrode shell 4,
For the main-body electrode 1, temperature sensor 2 and electric heating part 3 to be sealed in inside the electrode shell 4.
In various embodiments, the needs to inertia and active electrode, the main-body electrode are measured according to real work
Can select platinum, silver, gold, iridium, titanium, iron, palladium, nickel, copper, chromium, zirconium, silver tungsten, Nitinol, graphite, platinum carbon, vitreous carbon or
One of boron-doped diamond.
In various embodiments, selectable electrode shell is polytetrafluoroethylene (PTFE), poly- trifluoro-ethylene, polyether-ether-ketone
(PEEK) or epoxy resin.
In various embodiments, selectable temperature sensor is Pt100, Pt1000, negative temperature coefficient thermal resistance
(NTC), S type standardized thermocouple, Type B standardized thermocouple, E type standardized thermocouple, K-type standardized thermocouple, R type standard
Change one of thermoelectricity occasionally J-type standardized thermocouple, the above thermal resistance or thermocouple are additionally provided with glass tube, ceramic tube or modeling
The insulating coating of expects pipe material, the insulating coating play the role of exhausted water insulation in the electrochemical heating temperature control electrode interior.
In various embodiments, optional electric heating part includes metal electric heating part or non-metal electric heating part, and the electricity adds
Warmware be nickel filament (Ni-Cr), Fe-Cr-Al wire (Fe-Cr-Al), nickel-iron wire (Ni-Fe), nickel-copper wire (Ni-Cu)), silicon carbide, silicon
One of molybdenum bar or ceramic outbox.The electrochemical heating temperature control electrode of which kind of electric heating part of option and installment is depended on to electrode
The requirement of temperature change precision when work.
Embodiment two
Referring to Fig. 3, being as shown in the figure a kind of equipment signal of electrochemical heating temperature control electrode in electrolytic cell
Figure.In actual work, which is placed in electrolytic cell 201, the main-body electrode of electrode is totally immersed into the electrode 10
In the solution of electrolytic cell 201, the other end of electrode 10, by main-body electrode, temperature sensor and the heating member inside electrode 10
Conducting wire 6 is connected to Automatic Temperature Control 301.Connect the power supply of the Automatic Temperature Control, Automatic Temperature Control can be to adding
Warmware provides AC power source or DC power supply, and the heating temperature of experiment is arranged, is accurate to 0.1 DEG C, observes temperature in setting time
Temperature is set on automatic controller panel, the electric signal that actual temperature and electrode detection arrive, carries out data analysis and process.
Embodiment three
Referring to Fig. 4, being as shown in the figure the work of a kind of electrochemical heating temperature control electrode 10 and 401 fit applications of rotating circular disk
Make schematic device.Unlike embodiment two, in order to Electrode surface current density distribution situation, reduce or eliminate
The influence of the factors such as diffusion layer analyzes rule between the movement of electroactive substance and fluid dynamics, on the electrode portion
One rotating circular disk 401 of setting is connected by slip ring 501, the main-body electrode, temperature sensor and heating member inside electrode 10
Conducting wire 6 is hidden after drawing to be set to inside slip ring 501, from slip ring 501 and 401 extraction wire of rotating circular disk and temperature automatic control
Device 301 is connected.The design feature of this device is that disk electrode is concentric with the shaft perpendicular to it and with good axial symmetry.Benefit
It can detecte out the existence form and production quantity or rotational circle of electrode reaction product especially intermediate product with rotating disk electrode (r.d.e)
The stability etc. of the disc electrode reaction product trapped on disc electrode can detect some complicated electrodes using these measurements and react
Mechanism and obtain more electrode process information.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
The scope of patent protection of the utility model.Therefore, based on the innovative idea of the utility model, embodiment described herein is carried out
Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly
Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent
Within enclosing.
Claims (10)
1. a kind of electrochemical heating temperature control electrode, which is characterized in that the electrode includes main-body electrode, electrode shell, temperature sensing
Device, electric heating part, sealing element and conducting wire, the main-body electrode are fixed at one end of the electrode shell, and the temperature passes
The inside of the electrode shell, the main-body electrode, temperature sensor and electric heating part is arranged in sensor and the electric heating part
Automatic Temperature Control with the electrode exterior is connected by conducting wire, and the sealing element is fixed at the electrode shell
The other end, for the main-body electrode, temperature sensor and electric heating part to be sealed in inside the electrode shell.
2. electrochemical heating temperature control electrode according to claim 1, which is characterized in that the main-body electrode be platinum, silver,
In gold, iridium, titanium, iron, palladium, nickel, copper, chromium, zirconium, silver tungsten, Nitinol, graphite, platinum carbon, vitreous carbon or boron-doped diamond
It is a kind of.
3. electrochemical heating temperature control electrode according to claim 1, which is characterized in that the electrode shell is but is not limited to
Polytetrafluoroethylene (PTFE), poly- trifluoro-ethylene, polyether-ether-ketone (PEEK) or epoxy resin.
4. electrochemical heating temperature control electrode according to claim 2 or 3, which is characterized in that described main-body electrode one end
Outside section is exposed to, rest part is coated by the electrode shell.
5. electrochemical heating temperature control electrode according to claim 1, which is characterized in that the temperature sensor is thermal resistance
Or thermocouple.
6. electrochemical heating temperature control electrode according to claim 5, which is characterized in that the temperature sensor includes
Pt100, Pt1000, negative temperature coefficient thermal resistance (NTC), S type standardized thermocouple, Type B standardized thermocouple, the standardization of E type
Thermocouple, K-type standardized thermocouple, R type standardized thermocouple or J-type standardized thermocouple.
7. electrochemical heating temperature control electrode according to claim 5 or 6, which is characterized in that the temperature sensor is also set
It is equipped with insulating coating.
8. electrochemical heating temperature control electrode according to claim 7, which is characterized in that the insulating coating be glass tube,
One of ceramic tube or plastic tube.
9. electrochemical heating temperature control electrode according to claim 1, which is characterized in that the electric heating part includes metal electricity
Warmware or non-metal electric heating part.
10. electrochemical heating temperature control electrode according to claim 9, which is characterized in that the electric heating part include copper wire,
Nickel filament (Ni-Cr), Fe-Cr-Al wire (Fe-Cr-Al), nickel-iron wire (Ni-Fe), nickel-copper wire (Ni-Cu), silicon carbide, Si-Mo rod and
One of ceramic outbox is a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687766.5U CN208399426U (en) | 2018-05-09 | 2018-05-09 | A kind of electrochemical heating temperature control electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820687766.5U CN208399426U (en) | 2018-05-09 | 2018-05-09 | A kind of electrochemical heating temperature control electrode |
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| CN208399426U true CN208399426U (en) | 2019-01-18 |
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| CN201820687766.5U Expired - Fee Related CN208399426U (en) | 2018-05-09 | 2018-05-09 | A kind of electrochemical heating temperature control electrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632151A (en) * | 2019-10-24 | 2019-12-31 | 福州大学 | Method for improving sensitivity of structure conversion type electrochemical adapter sensor |
-
2018
- 2018-05-09 CN CN201820687766.5U patent/CN208399426U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632151A (en) * | 2019-10-24 | 2019-12-31 | 福州大学 | Method for improving sensitivity of structure conversion type electrochemical adapter sensor |
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