CN203203724U - Electrolytic solution temperature soft measurement system with detection control device - Google Patents
Electrolytic solution temperature soft measurement system with detection control device Download PDFInfo
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- CN203203724U CN203203724U CN201320045272.4U CN201320045272U CN203203724U CN 203203724 U CN203203724 U CN 203203724U CN 201320045272 U CN201320045272 U CN 201320045272U CN 203203724 U CN203203724 U CN 203203724U
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Abstract
The utility model discloses an electrolytic solution temperature soft measurement system with a detection control device. The system comprises a signal acquisition module, a signal processing module, the detection control device, a liquid crystal display, a host module, a keyboard and a power source module. The signal processing module is respectively connected with the signal acquisition module, the host module and the liquid crystal display via interface signal lines. The host module is connected with the detection control device and is also connected with the keyboard. Based on data acquired by a sensor and auxiliary variable data, a soft measurement model is established with the help of the soft measurement technology. With the help of a computer programming operation, an online measurement of the electrolytic solution temperature is realized. The system is small in measurement error and quick in dynamic responding and is also economical and reliable.
Description
Technical field
The utility model relates to the soft measuring system of a kind of electrolyte temperature with detection control apparatus, is the temperature soft-measuring technique in the metal smelt industry electrolysis production.
Background technology
China's metal smelt industry electrolysis production process automation equipment is generally lower, substantially rest on the level of off-line analysis, manual setting, experience control, at present, non-ferrous metal is when cathode copper, do electrolyte with copper sulphate, it is high temperature, strong corrosive media, brings very big difficulty to temperature survey.And temperature is very big to the quality of copper and power consumption influence in the cathode copper process, and automatic control system also requires real-time online measuring, and problems such as on-line continuous thermometric fail to be applied in practice.
At present, electrolytic non-ferrous metal is the important ring in the hydrometallurgy, do electrolyte with copper sulphate, the starting sheet that fine copper is done is negative electrode, grade is anode at the copper coin more than 99%, stablizes DC current by the high precision of suitable density, under the effect of big electric current, copper ion will be separated out at negative electrode, namely become cathode copper.Temperature quality to copper in the cathode copper process has a significant impact, so temperature survey and automatic control are very important, electrolytic etching of metal will consume a large amount of electric energy, but the consumption that temperature is controlled electric energy has a significant impact.
Because copper electrolytes copper sulphate is high temperature, strong corrosive media, brings very big difficulty to temperature survey.Both at home and abroad the researchist has been to how the online electrolyte temperature signal that obtains has carried out number of research projects, mainly is to utilize the thermopair electrolyte temperature of being unrealized to measure.Some method emphasizes that thermopair does not contact with medium, avoids corrosion; Some method is emphasized thermopair is protected, thereby has developed various protective sleeves; Some method adopts batch (-type) thermometric mode.But which kind of method no matter, all because of error is too big, operating process is long, need manually to get involved, the DATA REASONING hysteresis quality is big or can not the on-line continuous thermometric etc. problem fail to be applied in practice.Electrolyte temperature adopts off-line analysis to measure at home at present, needs manual measurement.
The utility model content
The purpose of this utility model provides the soft measuring system of a kind of electrolyte temperature with detection control apparatus, the utility model is foundation with groove external pelivimetry temperature and auxiliary variable, can realize the on-line measurement of electrolyte temperature by the soft process of measurement computing of computing machine, the present technique measuring error is little, and is time saving and energy saving rapid.
The technical solution of the utility model is: the soft measuring system of a kind of electrolyte temperature with detection control apparatus comprises signal acquisition module, signal processing module, detection control apparatus, LCD, host module, keyboard and power module; Described signal processing module is connected with signal acquisition module, host module, LCD respectively by interface signal line; Described host module is connected with detection control apparatus, described detection control apparatus comprises electric power loop, voltage detecting loop, comparison control loop, switchgear driving circuit, wherein electric power loop is given the detection control apparatus loop power supply, and the voltage detecting loop is detected civil power and exported testing result to the comparison control loop; Described host module also is connected with keyboard.
Further, described signal acquisition module is made up of the temperature sensor that is contained in the electrolytic tank outer wall, preposing signal process circuit module.
Further, described signal processing module comprises digital signal processor DSP, PLD CPLD, A/D converter and storer.
Utilize this soft measuring system, the method for carrying out the soft measurement of electrolyte temperature may further comprise the steps:
1, start-up system is by the soft measuring system of keyboard input command operation electrolyte temperature;
2, after main frame detects the action command of input, send to signal processing module DSP with interrupt mode, communicating by letter between main frame and the signal processing module finished by interrupting;
3, signal processing module calls data acquisition program at once when receiving the interrupt request of main frame, receives by the A/D converter interface and is contained in the electrolytic tank outer wall and through the temperature sensor signal of pre-process;
4, after data acquisition was finished, signal processing module called the soft process of measurement of temperature, and the data of storage are carried out analyzing and processing; There are auxiliary variable data such as groove material heat transfer coefficient, electrolyte heat transfer coefficient in the soft process of measurement of temperature, have the program of copper electrolyte temperature soft-sensing model, by soft process of measurement computing, obtain the estimated value of copper electrolyte temperature;
5, data dispose, and signal processing module has obtained electrolyte temperature on-line measurement value, then the result after LCD show to be handled and reach host computer for follow-up use by subsequent control device PLC.
The beneficial effects of the utility model are: temperature is an important parameters in cathode copper production, it can directly reflect the working condition of electrolytic tank, need to detect in real time and control, but because temperature height in the main equipment copper electrolysis cells of cathode copper, corrosivity is strong, the copper oxide that the surface has one deck to solidify again covers, parameter can't be undertaken directly detecting in real time by sensor, present technique is foundation with data and the auxiliary variable data of sensor collection, use soft-measuring technique, set up soft-sensing model, by the computing of computing machine coding, realized the on-line measurement of electrolyte temperature.The present technique measuring error is little, and dynamic response is rapid, and is economical reliable.
Description of drawings
Figure l is structural representation of the present utility model.
Embodiment
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, describe most preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing, the utility model is limited.
As shown in Figure 1, the soft measuring system of a kind of electrolyte temperature with detection control apparatus that the utility model provides comprises signal acquisition module 3, signal processing module 2, detection control apparatus 6, LCD 4, host module 1, keyboard 7 and power module 5; Described signal processing module 2 is connected with signal acquisition module 3, host module 1, LCD 4 respectively by interface signal line; Described host module 1 is connected with detection control apparatus 6, described detection control apparatus 6 comprises electric power loop, voltage detecting loop, comparison control loop, switchgear driving circuit, wherein electric power loop is given the detection control apparatus loop power supply, and the voltage detecting loop is detected civil power and exported testing result to the comparison control loop; Described host module 1 also is connected with keyboard 7.
Described signal acquisition module 3 is made up of the temperature sensor 8 that is contained in the electrolytic tank outer wall, preposing signal process circuit module 9.
Described signal processing module 2 comprises digital signal processor DSP 13, PLD CPLD 10, A/D converter 11 and storer 12.
Utilize this soft measuring system, the method for carrying out the soft measurement of electrolyte temperature may further comprise the steps:
1, start-up system is by the soft measuring system of keyboard 7 input commands operation electrolyte temperature;
2, after main frame 1 detects the action command of input, send to signal processing module DSP with interrupt mode, communicating by letter between main frame 1 and the signal processing module 2 finished by interrupting;
3, signal processing module 2 calls data acquisition program at once when receiving the interrupt request of main frame 1, receives by the A/D converter interface and is contained in the electrolytic tank outer wall and through the temperature sensor signal of pre-process;
4, after data acquisition was finished, signal processing module 2 called the soft process of measurement of temperature, and the data of storage are carried out analyzing and processing; There are auxiliary variable data such as groove material heat transfer coefficient, electrolyte heat transfer coefficient in the soft process of measurement of temperature, have the program of copper electrolyte temperature soft-sensing model, by soft process of measurement computing, obtain the estimated value of copper electrolyte temperature;
5, data dispose, and signal processing module 2 has obtained electrolyte temperature on-line measurement value, show the result after handling and reach host computer for follow-up use by subsequent control device PLC 14 in LCD 4 then.
The beneficial effects of the utility model are: temperature is an important parameters in cathode copper production, it can directly reflect the working condition of electrolytic tank, need to detect in real time and control, but because temperature height in the main equipment copper electrolysis cells of cathode copper, corrosivity is strong, the copper oxide that the surface has one deck to solidify again covers, parameter can't be undertaken directly detecting in real time by sensor, present technique is foundation with data and the auxiliary variable data of sensor collection, use soft-measuring technique, set up soft-sensing model, by the computing of computing machine coding, realized the on-line measurement of electrolyte temperature.The present technique measuring error is little, and dynamic response is rapid, and is economical reliable.
The above embodiment only is used for illustrating the utility model, but is not limited thereto.Under the condition that does not depart from the utility model design, affiliated technical field personnel can make suitable change adjustment, and these change adjustment also should be included within the claim protection domain of the present utility model.
Claims (3)
1. the soft measuring system of the electrolyte temperature with detection control apparatus is characterized in that: comprise signal acquisition module, signal processing module, detection control apparatus, LCD, host module, keyboard and power module; Described signal processing module is connected with signal acquisition module, host module, LCD respectively by interface signal line; Described host module is connected with detection control apparatus, described detection control apparatus comprises electric power loop, voltage detecting loop, comparison control loop, switchgear driving circuit, wherein electric power loop is given the detection control apparatus loop power supply, and the voltage detecting loop is detected civil power and exported testing result to the comparison control loop; Described host module also is connected with keyboard.
2. the soft measuring system of the electrolyte temperature of band detection control apparatus according to claim 1, it is characterized in that: described signal acquisition module is made up of the temperature sensor that is contained in the electrolytic tank outer wall, preposing signal process circuit module.
3. the soft measuring system of the electrolyte temperature of band detection control apparatus according to claim 1, it is characterized in that: described signal processing module comprises digital signal processor DSP, PLD CPLD, A/D converter and storer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320045272.4U CN203203724U (en) | 2013-01-28 | 2013-01-28 | Electrolytic solution temperature soft measurement system with detection control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320045272.4U CN203203724U (en) | 2013-01-28 | 2013-01-28 | Electrolytic solution temperature soft measurement system with detection control device |
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| Publication Number | Publication Date |
|---|---|
| CN203203724U true CN203203724U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320045272.4U Expired - Fee Related CN203203724U (en) | 2013-01-28 | 2013-01-28 | Electrolytic solution temperature soft measurement system with detection control device |
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| CN (1) | CN203203724U (en) |
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2013
- 2013-01-28 CN CN201320045272.4U patent/CN203203724U/en not_active Expired - Fee Related
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| 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: 20130918 Termination date: 20140128 |