CN204731316U - The online seven-electrode conductivity sensor of flow type industry - Google Patents
The online seven-electrode conductivity sensor of flow type industry Download PDFInfo
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- CN204731316U CN204731316U CN201520418896.5U CN201520418896U CN204731316U CN 204731316 U CN204731316 U CN 204731316U CN 201520418896 U CN201520418896 U CN 201520418896U CN 204731316 U CN204731316 U CN 204731316U
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Abstract
The utility model discloses the online seven-electrode conductivity sensor of a kind of flow type industry, comprise the first graphite flake electrode being linearly in turn connected to form solution flow pipe, first electrode tube, second graphite flake electrode, second electrode tube, 3rd graphite flake electrode, first graphite flake electrode, inlet opening is provided with in the middle part of second graphite flake electrode and the 3rd graphite flake electrode, 3rd graphite flake electrode side is provided with for temperature sensor mounted counterbore, first electrode tube is parallel with the second electrode tube periphery wall is wound with two by the circular copper wires of electrode tube trisection, circular cross section diametrical position along the third-class office of electrode tube in first electrode tube and the second electrode tube endoporus is arranged with two platinum electrodes in parallel, two platinum electrodes are connected with two circular copper wires one by one through electrode tube inwall.The utility model utilizes graphite, platinum, and adopt the conductivity sensor that seven electrode principle make, measuring accuracy is high, and usability is good, and not fragile, the life-span is long, has wide range of applications.
Description
Technical field
The utility model relates to a kind of conductance electrode, particularly relates to the online seven-electrode conductivity sensor of a kind of flow type industry, is specifically designed to and detects aluminum material factory's low concentration hydrofluorite and corrosion inhibitor solution conductivity thereof.
Background technology
Conductance electrode is the sensor measuring conductive ion in solution.The most anticorrosion antifouling property of traditional electrical conductive electrode is poor, and because process is complicated, cost is high, withstand voltage, poor seismic behavior, and serviceable life is short, and traditional electrical conductive electrode directly can not measure solution temperature, and range of application is restricted.
Utility model content
For above-mentioned technical matters, it is high that the utility model provides a kind of measuring accuracy, the online seven-electrode conductivity sensor of flow type industry that usability is good.
The utility model adopts following technical scheme:
The online seven-electrode conductivity sensor of flow type industry, comprise the first graphite flake electrode being linearly in turn connected to form solution flow pipe, first electrode tube, second graphite flake electrode, second electrode tube, 3rd graphite flake electrode, three exciting electrodes of metering circuit, be individually fixed in the upper end of two electrode tubes, centre and lower end, described first graphite flake electrode, inlet opening is provided with in the middle part of second graphite flake electrode and the 3rd graphite flake electrode, described 3rd graphite flake electrode side is provided with for temperature sensor mounted counterbore, described first electrode tube is parallel with the second electrode tube periphery wall is wound with two by the circular copper wires of electrode tube trisection, be arranged with the platinum electrode of two 0.1 millimeter in parallel along the circular cross section diametrical position of the third-class office of electrode tube in described first electrode tube and the second electrode tube endoporus, two platinum electrodes are connected with two circular copper wires one by one through electrode tube inwall, form four potential electrode of metering circuit.Four circular copper wires that two articles of platinum electrodes of described first graphite flake electrode, the second graphite flake electrode, the 3rd graphite flake electrode and the first electrode tube and two articles of platinum electrodes of the second electrode tube are drawn are provided with conductive connection head, form seven lead-in wires of seven electrodes.
Further, temperature sensor adopts the water proof type temp probe of BS18D20 chip, and temperature-sensitive scope is wide, and measuring accuracy is high.
Further, described inlet opening is wedged hole, and arranging angle is 150 degree, and this blowing angle is easy to make and be more conducive to the eliminating of dirt, and measurement liquid is better entered in electrode tube.
Further, the inlet opening of described first graphite flake electrode and the 3rd graphite flake electrode is connected to discharge nozzle and feed pipe, and pipe is polyfluorinated ethylene plastic tube.
Further, described platinum electrode is provided with resin glue for sealing through electrode tube inwall tapping.
Further; also comprise the canning for the protection of described first graphite flake electrode, the first electrode tube, the second graphite flake electrode, the second electrode tube, the 3rd graphite flake electrode; described canning comprises lower frid, is connected in left cover and the right cover plate at lower frid two ends; and cover on the upper cover plate of described lower frid opening part, described left cover and right cover plate all on the fixed via passed through for pipeline is set.
Further, also comprise cross left cover to the hub slot in canning, for collecting and protecting the circuit connecting each conductive connection head.
Compared to existing technology, the conductivity sensor of the resistance to low concentration hydrofluoric acid that the utility model utilizes the fabulous conducting material of the performance such as graphite, platinum to prepare, adopt the conductivity sensor that seven electrode principle make, measuring accuracy is high, and usability is good, add distinctive assembling device, not fragile, the life-span is long, and has wide range of applications, manufacture craft is simple, particularly applicable in industry spot.
Accompanying drawing explanation
Fig. 1 is the graphite electrode of the utility model embodiment and the combination diagrammatic cross-section of electrode tube.
Fig. 2 is the electrode tube perspective diagram of the utility model embodiment.
Fig. 3 is the assembling schematic diagram of the utility model embodiment.
In figure: 1-discharge nozzle; 2-first graphite flake electrode; 3-first electrode tube; 4-second graphite flake electrode; 5-second electrode tube; 6-the 3rd graphite flake electrode; 7-temperature sensor; 8-feed pipe; 9-connector lug; 10-plastic tube; 11-circular copper wires; 12-platinum electrode; 13-right cover plate; 14-hub slot; Frid under 15-; 16-left cover; 17-temperature sensor wires groove; 18-upper cover plate.
Embodiment
Be described in further detail the purpose of this utility model below in conjunction with the drawings and specific embodiments, embodiment can not repeat one by one at this, but therefore embodiment of the present utility model is not defined in following examples.Unless stated otherwise, the utility model adopt material and job operation be the art conventional material and job operation.
As shown in Figure 1 to Figure 3, the online seven-electrode conductivity sensor of flow type industry, comprise the first graphite flake electrode 2 being linearly in turn connected to form solution flow pipe, first electrode tube 3, second graphite flake electrode 4, second electrode tube 5, 3rd graphite flake electrode 6, described first graphite flake electrode 2, inlet opening is provided with in the middle part of second graphite flake electrode 4 and the 3rd graphite flake electrode 6, the inlet opening of described first graphite flake electrode 2 and the 3rd graphite flake electrode 6 is connected to discharge nozzle 1 and feed pipe 8 that polyfluorinated ethylene is material, described 3rd graphite flake electrode 6 side is provided with the counterbore for mounting temperature sensor 7, temperature sensor 7 inserts at the 3rd graphite flake electrode 6 edge, when liquid to be measured flows into, temperature variation data can be passed to single chip circuit by temperature sensor 7 accurately in real time, first electrode tube 3 of the present embodiment and the second electrode tube 5 adopt fiberglass transparent pipe, both periphery walls are parallel is wound with two by the circular copper wires 11 of electrode tube trisection, circular cross section diametrical position along the third-class office of electrode tube in described first electrode tube 3 and the second electrode tube 5 endoporus is arranged with two platinum electrodes 12 in parallel, two platinum electrodes 12 are connected with two circular copper wires 11 one by one through electrode tube inwall, and described platinum electrode 12 is provided with the resin glue (see Fig. 2) for sealing through electrode tube inwall tapping.
In the present embodiment, described inlet opening is wedged hole, and arranging angle is 150 degree, and this blowing angle is easy to make and be more conducive to the eliminating of dirt, and measurement liquid is better entered in electrode tube.
In the present embodiment, the circular copper wires 11 of described first graphite flake electrode 2, second graphite flake electrode 4, the 3rd graphite flake electrode 6 and the second electrode tube 5 and the first electrode tube 3 is provided with conductive connection head 9, wherein, the conductive connection head 9 connecting circular copper wires 11 also direct circular copper wires 11 unnecessary can might as well be wound around to collect and form.
For protecting corresponding parts; the present embodiment also comprises the canning for the protection of described first graphite flake electrode 2, first electrode tube 3, second graphite flake electrode 4, second electrode tube 5, the 3rd graphite flake electrode 6; described canning comprises lower frid 15, is connected in left cover 16 and the right cover plate 13 at lower frid 15 two ends; and cover on the upper cover plate 18 of described lower frid 15 opening part, described left cover 16 and right cover plate 13 all on the fixed via passed through for pipeline is set.
Hub slot 14 crosses in left cover 16 to canning, for collecting and protecting the circuit that connects each conductive connection head 9 and lead to single-chip microcomputer, temperature sensor wires groove 17 through in left cover 16 to canning, for the protection of the circuit connecting temperature sensor 7.
During measurement, measuring solution flows into the second electrode tube 5 from feed pipe 8 through the wedged hole of the 3rd graphite flake electrode 6, flow through two groups of platinum electrodes 12 in the second electrode tube 5, then introduce in the first electrode tube 3 by the second graphite flake electrode 4 having wedge shape inlet opening, again by two groups of platinum electrodes 12 in the first electrode tube 3, then flowed out by the discharge nozzle 1 of polyfluorinated ethylene after the first graphite flake electrode 2; Simultaneously, exchange constant current drive signal to be flowed into by the second graphite flake electrode 4, by the second electrode tube 5 and these two detection cells of the first electrode tube 3, enter into the second graphite flake electrode 4 and the first graphite flake electrode 2 of access signal ground respectively, exchange when conductance detecting pool is flow through in constant current and can form two groups of ac voltage signals between the second electrode tube 5 and two groups of platinum electrodes 12 of the first electrode tube 3, two groups of AC signal are averaged through chip superposition, be measuring-signal, this measuring-signal to single chip circuit, completes whole measuring process through circuit transmission.The present embodiment adopts seven electrode symmetrical expressions to measure structure, and considerably increase the precision of measurement, usability is good, adds distinctive assembling device, and not fragile, the life-span is long, and has wide range of applications, and manufacture craft is simple, particularly applicable in industry spot.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (7)
1. the online seven-electrode conductivity sensor of flow type industry, it is characterized in that: comprise the first graphite flake electrode (2) being linearly in turn connected to form solution flow pipe, first electrode tube (3), second graphite flake electrode (4), second electrode tube (5), 3rd graphite flake electrode (6), described first graphite flake electrode (2), second graphite flake electrode (4) and the 3rd graphite flake electrode (6) middle part are provided with inlet opening, described 3rd graphite flake electrode (6) side is provided with the counterbore for mounting temperature sensor (7), described first electrode tube (3) is parallel with the second electrode tube (5) periphery wall is wound with two circular copper wires by electrode tube trisection (11), be arranged with the platinum electrode (12) of two diameters 0.1 millimeter in parallel along the circular cross section diametrical position of the third-class office of electrode tube in described first electrode tube (3) and the second electrode tube (5) endoporus, two platinum electrodes (12) are connected with two circular copper wires (11) one by one through electrode tube inwall, described first graphite flake electrode (2), second graphite flake electrode (4), the circular copper wires (11) of the 3rd graphite flake electrode (6) and the second electrode tube (5) and the first electrode tube (3) is provided with conductive connection head (9).
2. the online seven-electrode conductivity sensor of flow type industry according to claim 1, is characterized in that: described temperature sensor adopts the water proof type temp probe of BS18D20 chip.
3. the online seven-electrode conductivity sensor of flow type industry according to claim 1, is characterized in that: described inlet opening is wedged hole.
4. the online seven-electrode conductivity sensor of flow type industry according to claim 1, it is characterized in that: the inlet opening of described first graphite flake electrode (2) and the 3rd graphite flake electrode (6) is connected to discharge nozzle (1) and feed pipe (8), manages as polyfluorinated ethylene pipe.
5. the online seven-electrode conductivity sensor of flow type industry according to claim 1, is characterized in that: described platinum electrode (12) is provided with the resin glue for sealing through electrode tube inwall tapping.
6. the online seven-electrode conductivity sensor of flow type industry according to any one of claim 1 to 5, it is characterized in that: also comprise for the protection of described first graphite flake electrode (2), first electrode tube (3), second graphite flake electrode (4), second electrode tube (5), the canning of the 3rd graphite flake electrode (6), described canning comprises lower frid (15), be connected in left cover (16) and the right cover plate (13) at lower frid (15) two ends, and cover on the upper cover plate (18) of described lower frid (15) opening part, described left cover (16) and right cover plate (13) all on the fixed via passed through for pipeline is set.
7. the online seven-electrode conductivity sensor of flow type industry according to claim 6; it is characterized in that: also comprise cross left cover (16) to the hub slot (14) in canning, for collecting and protecting the circuit connecting each conductive connection head (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520418896.5U CN204731316U (en) | 2015-06-17 | 2015-06-17 | The online seven-electrode conductivity sensor of flow type industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520418896.5U CN204731316U (en) | 2015-06-17 | 2015-06-17 | The online seven-electrode conductivity sensor of flow type industry |
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| Publication Number | Publication Date |
|---|---|
| CN204731316U true CN204731316U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520418896.5U Withdrawn - After Issue CN204731316U (en) | 2015-06-17 | 2015-06-17 | The online seven-electrode conductivity sensor of flow type industry |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950177A (en) * | 2015-06-17 | 2015-09-30 | 华南理工大学 | Circulating type industrial on-line seven-electrode conductivity sensor |
| CN105628746A (en) * | 2015-12-24 | 2016-06-01 | 河海大学 | Method for manufacturing 7-electrode conductivity sensor based on MEMS (micro-electromechanical systems) silicon technology |
| CN107037087A (en) * | 2017-05-08 | 2017-08-11 | 中国电建集团中南勘测设计研究院有限公司 | A kind of sensor and measuring method for measuring Air Concentration in Water Flow |
-
2015
- 2015-06-17 CN CN201520418896.5U patent/CN204731316U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950177A (en) * | 2015-06-17 | 2015-09-30 | 华南理工大学 | Circulating type industrial on-line seven-electrode conductivity sensor |
| CN104950177B (en) * | 2015-06-17 | 2018-04-13 | 华南理工大学 | The online seven-electrode conductivity sensor of flow type industry |
| CN105628746A (en) * | 2015-12-24 | 2016-06-01 | 河海大学 | Method for manufacturing 7-electrode conductivity sensor based on MEMS (micro-electromechanical systems) silicon technology |
| CN105628746B (en) * | 2015-12-24 | 2018-01-09 | 河海大学 | A kind of manufacture method of the seven-electrode conductivity sensor based on MEMS silicon technologies |
| CN107037087A (en) * | 2017-05-08 | 2017-08-11 | 中国电建集团中南勘测设计研究院有限公司 | A kind of sensor and measuring method for measuring Air Concentration in Water Flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20180413 |
|
| AV01 | Patent right actively abandoned |