CN2918447Y - Solar energy supplying testing pile used in anode sacrificing and cathode protection system - Google Patents
Solar energy supplying testing pile used in anode sacrificing and cathode protection system Download PDFInfo
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- CN2918447Y CN2918447Y CN 200620091671 CN200620091671U CN2918447Y CN 2918447 Y CN2918447 Y CN 2918447Y CN 200620091671 CN200620091671 CN 200620091671 CN 200620091671 U CN200620091671 U CN 200620091671U CN 2918447 Y CN2918447 Y CN 2918447Y
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- anode
- connection terminal
- rechargeable battery
- detective pole
- instrument
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Abstract
The utility model relates to a solar energy-powered test pile used in the sacrificial anode cathodic protection system, belonging to an electrochemical field, which comprises: a test pile [1], a sacrificial anode [2], a reference electrode [3], a protected cathode [4], a cable conductor [5], a test pile housing [6], a cathodic connecting terminal [7], an anode connecting terminal [8], a reference electrode [9] and a connecting plate [10]. The utility model is characterized in that a measurement unit [12] with a figure display instrument [11] and operative switch [13] for power supply are arranged on the connecting plate [10] of the test pile [1]; the power of the measurement unit [12] is supplied by a rechargeable battery [24] which is charged by the solar powered battery [22]. The utility model has the advantages that the solar energy is used for power supply, therefore the utility model is economical and practical; the maintenance and repairs during the validity period are not required, so the maintenance personnel needs not to bring instruments or tools, the data can be read only by press the working button; the time is saved by ten times; the measuring error is avoided for the instrument pen is not connected with the terminals for connection.
Description
Technical field
The utility model relates to the improvement of the detective pole that uses in the galvanic anode protection system, belongs to electrochemical field.
Background technology
Galvanic protection is also referred to as electro-chemical protection.Its principle of work is to utilize extraneous power supply that electronics is provided, and makes that the metal construction in the protected medium is avoided corrosion.Galvanic protection is divided into two kinds of impressed current protection and sacrificial protections.Detective pole is an indispensable auxiliary facility in the cathodic protection engineering.
The effect of detective pole is the protection potential (or protective current) that monitoring shows protected metal construction in the cathodic protection system, thereby obtains the protection parameter information of protected metal construction.In January, 1999, Hu Shixin chief editor and by Chemical Industry Press publish " the galvanic protection handbook has been described in detail for detective pole structure, type and use range.
The method of impressed current cathodic protection has been utilized the industrial electrical network power supply mostly, provides electric current to implement galvanic protection through overcommutation.The instrument of detective pole in the impressed current protection (station) has directly shown the protection parameter information of the protected metal constructions of protection potential, protective current and output voltage etc. (selected as requested); exactly because the instrument of detective pole in the impressed current protection (station) has used the industrial electrical network power supply, has just realized the measurement purpose.And in the galvanic anode protection system; also can use the mature technology of measuring in the impressed current cathodic protection device measuring instrument; it is to be used for the desert field that but subject matter is the characteristics of galvanic anode protection system; away from civil power; the galvanic anode protection detective pole does not have external power to drive instrument, so the supply of the power supply of the surveying instrument of the protection parameter information of protected metal construction is a difficult point in the galvanic anode protection system.
So the connection terminal that wiring was used when the galvanic anode protection detective pole only was provided with the surveying instrument measurement does not have the fixed instrument to show the protection parameter information of protected metal construction in the past.But safeguard when patrolling and examining carrying out protected metal construction daily administration, must need carry the tool material of the instrument of the protection parameter information of measuring protected metal construction, the instrument of opening detective pole and polishing terminal by the technician.To open the detective pole wicket before measuring, terminal is polished, connect instrument again and measure, also will restore to the original state after measuring.The main deficiency of this method is: the instrument that need carry the protection parameter information of measuring metal construction when 1. the technician patrols and examines; Need will unpack with the instrument of opening detective pole when 2. the technician patrols and examines, the part polishing to the terminal of corrosion connects with instrument test pencil contact terminal, and take off data is carried out record, closes case, reinstatement at last.It is cumbersome to operate; 3. owing to have point of contact when connecting, be easy to generate bigger measuring error with instrument test pencil contact terminal.
Summary of the invention
The purpose of this utility model and task exist in order to overcome prior art: need carry equipment when 1. the technician patrols and examines; Troublesome poeration when 2. the technician patrols and examines, the 3. measuring error of point of contact generation, the 4. deficiency of detective pole power supply power supply difficulty; The special technical solution that proposes the solar powered formula detective pole of use.
Basic ideas of the present utility model are with reference to impressed current cathodic protection device measuring principle of instrument and advantage, have kept the direct constitutional features that shows the protection parameter information of protected metal construction of the instrument of detective pole in the impressed current protection.Can't use under the industrial electrical network Power Supplies Condition, utilize sun power to charge power supply is provided to rechargeable battery.Thereby solve the power issue of surveying instrument in the galvanic anode protection system.
The solar powered formula detective pole that uses in the galvanic anode protection system that the utility model proposed, its system comprises: detective pole [1], sacrificial anode [2], reference electrode [3], protected negative electrode [4], cable [5], detective pole shell [6], cathode connection terminal [7], anode connection terminal [8], reference electrode connection terminal [9] and wiring board [10].It is characterized in that: the top of detective pole shell [6] also offers optical transmission window [15], in the top of optical transmission window [15] transparent sheet glass [14] is installed, in the optical transmission window [15] of sheet glass [14] below, be provided with solar cell [22], and be connected with surveying instrument [12]; Solar cell [22] is after accepting sun power, and to rechargeable battery [24] charging, rechargeable battery [24] directly provides direct supply to surveying instrument [12], and orders about impedance inverter circuit [21] and digital voltmeter (DVM) [11] work; And the protection parameter information of finishing protected metal construction shows, circuit connecting relation is: solar cell [22] just, negative input end is just being received rechargeable battery [24] respectively, it on the negative pole its charging, and store electrical energy, and the output terminal [35] of rechargeable battery [24], receive the input terminus [36] of operating switch [13], and control by operating switch [13], during measurement, connect operating switch [13], rechargeable battery just provides needed 5V volts DS to surveying instrument [12], the output terminal [37] of operating switch [13] is received the power end [34] of impedance inverter circuit [21] power end [38] and digital voltmeter (DVM) [11], for it provides electric energy; Reference electrode connection terminal [9] in the detective pole [1] on the wiring board [10]; be connected to the input terminus [31] of impedance inverter circuit [21]; through after having impedance inverter circuit [21] the impedance conversion of high resistance input feature vector; with reference electrode [9] impedance matching; has higher measurement precision; then; the output terminal of impedance inverter circuit [32] is connected to the signal input part [33] of digital voltmeter (DVM) [11]; on the display panel of digital voltmeter (DVM) [11]; just demonstrate the protection parameter information of protected metal construction, short circuit is connected and cathode connection terminal [7] is with anode connection terminal [8].
Galvanic anode protection system works principle is a potential difference of utilizing buried metal structure and the metal (be called sacrificial anode) lower than its spontaneous potential to produce in medium, and this potential difference is through the connection of outer conductor, and coupling generates corrosion current.The result has been corroded the lower metal of (sacrifice) the sort of current potential, has protected the buried metal structure.
The solar powered formula detective pole that uses in the galvanic anode protection system has utilized sun power, and solar cell charges to rechargeable battery provides power supply, and volts DS is delivered to the power input of impedance inverter circuit [21] and digital voltmeter (DVM) [11] again.Be the electric energy that two portions circuit provides, the measurement of finishing protection potential and protective current shows.
The utility model detective pole major advantage is: can not maintain repairing in the sacrificial anode validity period after 1. this detective pole builds up, the personnel of patrolling and examining needn't carry plant and instrument, directly read the protection parameter information of protected metal construction; Needn't unpack, connect lead and close case work with the instrument of opening detective pole when 2. the technician patrols and examines, only need press operating switch [13], i.e. readable data; 3. do not connect because of not existing, can not produce measuring error with instrument test pencil contact terminal; 4. utilized the inexhaustible sun power of natural cleaning to charge the battery the metrical instrument power supply is provided, economic and practical.
Description of drawings
Fig. 1 is that the solar powered formula detective pole that uses in the designed galvanic anode protection system of the utility model is faced cross-sectional view
Show among the figure, the utility model is by detective pole shell [6] and is located at its inner wiring board [10], surveying instrument [12], on surveying instrument, also be provided with digital voltmeter (DVM) [11] and operating switch [13], offer optical transmission window [15] at the top of detective pole shell [6], on the top of optical transmission window [15] transparency glass plate [14] is installed, be provided with solar cell [22] in the optical transmission window below transparency glass plate [15], and be connected with surveying instrument [12], on the wiring board that is connected with surveying instrument [10], design has the cathode connection terminal [7] of tie cable line [5], anode connection terminal [8] and reference electrode connection terminal [9], short circuit is connected and cathode connection terminal [7] is with anode connection terminal [8].
Fig. 2 is the solar powered formula detective pole circuit principle structure block diagram representation of using in the galvanic anode protection system
By impedance inverter circuit [21]; Digital voltmeter (DVM) [11]; Operating switch [13]; Rechargeable battery [24], and formation surveying instrument [12], its surveying instrument power supply is to utilize sun power, solar cell [22] just, negative input end is just being received rechargeable battery [24] respectively, negative pole is its charging, and store electrical energy, rechargeable battery [24] is controlled by operating switch [13], when demand is measured, connect operating switch [13], rechargeable battery [24] outputs to the input terminus [36] of operating switch [13] from output terminal [35], just provide required 5V volts DS to surveying instrument, the output terminal [37] of operating switch [13] is connected to the power end [34] of impedance inverter circuit [21] power end [38] and digital voltmeter (DVM) [11], the electric energy that the 5V volts DS provides for this two portions circuit; Reference electrode connection terminal [9] in the detective pole [1] on the wiring board [10], be connected to the input terminus [31] of impedance inverter circuit [21], through after having impedance inverter circuit [21] the impedance conversion of high resistance input characteristic, have the impedance inverter circuit [21] of high resistance input characteristic and the impedance phase of reference electrode and mated, had high measurement precision.Then, the output terminal [32] of impedance inverter circuit [21] is connected to the signal input part [33] of digital voltmeter (DVM) [11], just demonstrates the protection parameter information of protected metal construction at the display panel of digital voltmeter (DVM) [11].Symbol [7], [8] are respectively cathode connection terminal and anode connection terminal, and short circuit connects between two connection terminals.Solid arrow represent supplier of electricity to, dotted arrow is represented the corrosion information data transfer direction.
Fig. 3 is a galvanic anode protection system architecture synoptic diagram
System architecture is made of detective pole [1], sacrificial anode [2], reference electrode [3], protected negative electrode [4] and each electrode tie cable line [5] to detective pole.The buried metal works that is called " protected negative electrode " under state of nature, is easy to be corroded, and after the implementation galvanic protection, the cathode connection terminal is connected coupling with the anode connection terminal at detective pole [1] internal short-circuit.Under the effect of sacrificial anode [2], sacrificial anode [2] provides protective current for the negative electrode [4] of protection, and metal construction at this moment just becomes protected negative electrode, therefore can prevent corrosion.The effect of reference electrode [3] is to measure protection potential.
Fig. 4 is a use test stake diagrammatic cross-section in the galvanic anode protection system in the prior art
Wherein symbol [6] is the shell of detective pole; each electrode to the tie cable line [5] of detective pole is connected to cathode connection terminal [7], anode connection terminal [8] and the reference electrode connection terminal [9] on the wiring board [10]; reference electrode connection terminal [9] uses for the test pencil that the protection parameter information of measuring protected metal construction connects surveying instrument, and short circuit is connected cathode connection terminal [7] with anode connection terminal [8].
Embodiment
Be particularly suitable for the supporting use of open-air galvanic anode protection
The Daliang City drew green 2 meters tap water water pipes of diameter galvanic anode protection engineering of going into to connect in 1997, and more than 20 galvanic anode protection detective pole set up in the field that total length is 83 kilometers originally, and the staff who patrols and examines pipeline will patrol and examine for 2 times weekly.Carry the instrument of the protection parameter information of measuring protected metal construction and open the instrument of detective pole and the tool material of polishing terminal; every detective pole place; tool using was opened the detective pole wicket before the staff measured; terminal is polished; the test pencil that connects instrument again is to each terminal; measure, also will restore to the original state after measuring.Record data then, the result also measuring error may occur, about 20 minutes of this process need.The solar powered formula detective pole that uses in the present employing galvanic anode protection of the present utility model system; external form is similar to original detective pole; on near the ground the buried metal works, be provided with; about 1.5 meters of height; the right cylinder that diameter is 0.2 meter, perhaps the rectangular parallelepiped box about 0.3 * 0.2 meter generally adopts metal; glass reinforced plastic, materials such as cement.The top is provided with about 0.15 * 0.15 glass optical transmission window towards the sun, when patrolling and examining, needn't carry instrument and instrument, needn't polish and line etc., data are collected: 1. use key to press power work switch [13] as follows by staff to a detective pole place, 2. the data of reading displayed instrument, and record data, 3. then, pull up key and get final product.Advantage is that because measurement connects without the test pencil contact terminal, so do not produce measuring error, this process only needs about 2 minutes, saves time 10 times.Also, nobody lays the first stone for patrolling and examining.
Claims (1)
1. the solar powered formula detective pole that uses in the galvanic anode protection system; its system comprises: detective pole [1], sacrificial anode [2], reference electrode [3], protected negative electrode [4], cable [5], detective pole shell [6], cathode connection terminal [7], anode connection terminal [8], reference electrode connection terminal [9] and wiring board [10]; on the wiring board [10] of detective pole [1]; mounting strap statistics have shown the surveying instrument [12] of instrument [11]; and be provided with the operating switch [13] of powering to surveying instrument, it is characterized in that:
A. the top of detective pole shell [6] also offers optical transmission window [15], in the top of optical transmission window [15] transparent sheet glass [14] is installed, and in the optical transmission window below sheet glass [15], is provided with solar cell [22], and is connected with surveying instrument [12];
B. solar cell [22] is after accepting sun power, and to rechargeable battery [24] charging, rechargeable battery [24] directly provides direct supply to surveying instrument [12], and orders about impedance inverter circuit [21] and digital voltmeter (DVM) [11] work;
C. by impedance inverter circuit [21], digital voltmeter (DVM) [11], the surveying instrument [12] that operating switch [13] and rechargeable battery [24] are constituted, its power supply is to utilize sun power, and the protection parameter information of finishing protected metal construction is measured demonstration, circuit connecting relation is: solar cell [22] just, negative input end is just being received rechargeable battery [24] respectively, it on the negative pole its charging, and store electrical energy, and the output terminal [35] of rechargeable battery [24] is received the power input [36] of operating switch [13], control by operating switch [13], during measurement, connect operating switch, rechargeable battery just provides needed 5V volts DS to surveying instrument [12], the output terminal [37] of operating switch [13] is received the power end [34] of impedance inverter circuit [21] power end [38] and digital voltmeter (DVM) [11], for it provides electric energy; Reference electrode connection terminal [9] in the detective pole [1] on the wiring board [10], be connected to the input terminus [31] of impedance inverter circuit [21], through after having impedance inverter circuit [21] the impedance conversion of high resistance input feature vector, with reference electrode [9] impedance matching, has higher measurement precision, the output terminal of impedance inverter circuit [32] is connected to the signal input part [33] of digital voltmeter (DVM) [11] then, just demonstrates the protection parameter information of protected metal construction on the display panel of digital voltmeter (DVM) [11];
D. and cathode connection terminal [7] is with anode connection terminal [8] that short circuit is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091671 CN2918447Y (en) | 2006-06-19 | 2006-06-19 | Solar energy supplying testing pile used in anode sacrificing and cathode protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620091671 CN2918447Y (en) | 2006-06-19 | 2006-06-19 | Solar energy supplying testing pile used in anode sacrificing and cathode protection system |
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| Publication Number | Publication Date |
|---|---|
| CN2918447Y true CN2918447Y (en) | 2007-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620091671 Expired - Fee Related CN2918447Y (en) | 2006-06-19 | 2006-06-19 | Solar energy supplying testing pile used in anode sacrificing and cathode protection system |
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| CN (1) | CN2918447Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313598A (en) * | 2014-11-10 | 2015-01-28 | 天津亿利科能源科技发展股份有限公司 | Steel-structured multi-layer protective monitoring and emergency guaranteeing system and method in splashing region |
| CN108306587A (en) * | 2017-08-21 | 2018-07-20 | 广西吉宽太阳能设备有限公司 | A kind of solar bracket protective coating |
| CN108441864A (en) * | 2018-05-31 | 2018-08-24 | 上海航天能源股份有限公司 | A kind of cathodic protection test device and its test method |
-
2006
- 2006-06-19 CN CN 200620091671 patent/CN2918447Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313598A (en) * | 2014-11-10 | 2015-01-28 | 天津亿利科能源科技发展股份有限公司 | Steel-structured multi-layer protective monitoring and emergency guaranteeing system and method in splashing region |
| CN108306587A (en) * | 2017-08-21 | 2018-07-20 | 广西吉宽太阳能设备有限公司 | A kind of solar bracket protective coating |
| CN108441864A (en) * | 2018-05-31 | 2018-08-24 | 上海航天能源股份有限公司 | A kind of cathodic protection test device and its test method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070704 Termination date: 20110619 |