CN201569638U - Gasoline octane rating tester - Google Patents
Gasoline octane rating tester Download PDFInfo
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- CN201569638U CN201569638U CN2009200950598U CN200920095059U CN201569638U CN 201569638 U CN201569638 U CN 201569638U CN 2009200950598 U CN2009200950598 U CN 2009200950598U CN 200920095059 U CN200920095059 U CN 200920095059U CN 201569638 U CN201569638 U CN 201569638U
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Abstract
The utility model relates to a gasoline octane rating tester, wherein a sensor of the instrument is fully contacted with tested gasoline, the instrument can test the octane rating of the tested gasoline in time, and the octane rating data can be displayed and printed. The tester comprises a capacitor sensor, a front end circuit, an analog-digital converter, a master control machine body, a liquid crystal display, a micro-printer, a power supply, a keyboard and a temperature sensor, wherein the capacitor sensor is connected on the master control machine through the front end circuit and the analog-digital converter in turn, and the liquid crystal display, the micro-printer, the power supply, the keyboard and the temperature sensor are connected with the master control machine body. The gasoline octane rating tester has the advantages of reasonable structure design, high automation degree, convenient operation, excellent repeat performance of test results and the like.
Description
Technical field
The present invention relates to a kind of gasoline octane value tester, the sensor of this instrument fully contacts with tested gasoline, and instrument just can in time test out the octane value of this tested gasoline, shows also to print this octane value data.
Background technology
At present, the inferior patrol that top, market refinery is in harmonious proportion has influenced the market normal order; Inferior patrol is pretended to be premium, destroys the engine of automobile.
In order to address the above problem, China from external import the octane number determination machine, 1., machine costs an arm and a leg but there are many shortcoming and defect parts in the octane number determination of import, is in particular in:, one removes price needs 300,000 dollars approximately, and the consumer of China particularly some medium and small clients is difficult to accept; 2., complex structure because the octane number determination machine operation complexity of import, to operator's technical requirement height, the influence of test findings human factor is very big, the test findings that the different operating personnel are tested all might be different.
Summary of the invention
The purpose of this utility model is that a kind of reasonable in design will be provided, and the automaticity height is easy and simple to handle, the gasoline octane value tester of test findings good reproducibility.
The purpose of this utility model is to realize like this, this tester comprises capacitive transducer, front-end circuit, analog to digital converter, master control body, LCD, mini-printer, power supply, keyboard, temperature sensor, described capacitive transducer is connected on the master control body by front-end circuit and analog to digital converter successively, and LCD, mini-printer, power supply, keyboard and temperature sensor are connected with the master control body.
Described capacitive transducer is cylindric double-decker, adopts built-in type or two kinds of versions of immersion.
Described built-in type capacitive transducer comprises gland nut, insulation cover plate, interior electrode, fixation clip, external electrode, plastic feet.
Described immersion capacitive transducer comprises gland nut, insulation spacer, interior electrode, fixation clip, external electrode, insulating mat spare.
Described front-end circuit and analog to digital converter constitute the metering circuit of capacitive transducer, and this circuit adopts the core components of assays of ICM7556 integrated circuit as capacitive transducer, and 14 pins on it are connected with electric capacity with the resistance of different resistances and appearance value.
The utility model is owing to adopt said structure to have the following advantages:
1., the utility model can fast detecting goes out the octane value of gasoline, can supervise the quality of gasoline on the market easily, also can instruct refinery to adjust production technology, the gasoline that the octane value that is in harmonious proportion out is qualified.
2., the utility model reasonable in design, the automaticity height, easy and simple to handle, test findings accurately, good reproducibility, person with above special secondary academic credentials after training, all can operate the gasoline octane value tester, detects the octane number project.The utility model is realized commercialization easily.
3., the octane number test specification of the utility model patent: 60.0RON-120.0RON accuracy: 0.3RON, improved the technical merit of domestic octane number test, filled up the blank of Jilin Province's octane number detecting instrument simultaneously.
Description of drawings
Fig. 1 is a gasoline octane value tester one-piece construction block scheme.
Fig. 2 flows to block scheme for the utility model data-signal.
Fig. 3 is the capacitor sensor structure synoptic diagram of the utility model built-in type version.
Fig. 4 is the capacitor sensor structure synoptic diagram of the utility model immersion version.
Fig. 5 is the utility model point of capacitance transducer measuring circuit figure.
Embodiment
Shown in accompanying drawing 1,2: this tester comprises capacitive transducer I, front-end circuit II, analog to digital converter III, master control body IV, LCD V, mini-printer VI, power supply VII, keyboard VIII, temperature sensor IX, described capacitive transducer I is connected on the master control body IV by front-end circuit II and A/D conversion circuit III successively, and LCD V, mini-printer VI, power supply VII, keyboard VIII and temperature sensor IX are connected with the master control body.
Shown in accompanying drawing 3,4: described capacitive transducer is cylindric double-decker, adopts built-in type and two kinds of versions of immersion, adopts metal material (as stainless steel) processing.
Shown in accompanying drawing 3: described built-in type capacitive transducer comprises gland nut 1, insulation cover plate 2, interior electrode 3, fixation clip 4, external electrode 5, plastic feet 6, described external electrode 5 be arranged on plastic feet 6 above, be connected and fixed by bolt; Interior electrode 3 is arranged between the inside of external electrode 5 and the external electrode 5 and has the gap; Insulation cover plate 2 is connected and fixed by nut 1 and interior electrode 3, is arranged on the top of external electrode 5; The top that fixation clip 4 is arranged on insulation cover plate 2 is connected with insulation cover plate 2 by nut 1; Described plastic feet 6 sides have fairlead 7, and center, interior electrode 3 top has fairlead 8, and external electrode 5 inwalls have the quantitative groove 9 of sample, also are provided with bleeder vent 10 on the interior electrode 3.
Shown in accompanying drawing 4: described immersion capacitive transducer comprises gland nut 1, insulation spacer 2, interior electrode 3, fixation clip 4, external electrode 5, insulating mat spare 11, it is fixing that described interior electrode 3 tops have external thread to cooperate with gland nut 1, and interior electrode 3 penetrates in it by external electrode 5 center pits; Going up of interior electrode 3 is set with insulating mat spare 11 by external electrode 3 center nose ends,, the upper end of electrode 3 was connected with fixation clip 4 above the insulation spacer 2 in insulation spacer 2 was sleeved on, and is fixing with gland nut 1; Described external electrode 5 upper ends have the lead-in wire that external thread 12 is used for external electrode 5; Interior electrode 3 upper ends have the lead-in wire of center pit 13 in interior electrode 3.
Shown in accompanying drawing 5: described front-end circuit and analog to digital converter constitute the metering circuit of capacitive transducer, this circuit adopts the core components of assays of ICM7556 integrated circuit as capacitive transducer, 14 pins on it are connected with electric capacity with the resistance of different resistances and appearance value, and concrete connected mode is:
1., pin 1 is connected with 2 is connected with the end of R1, the other end of R1 is connected with pin 14, pin 14 is connected with power positive end (VCC); One end of capacitive transducer is connected with pin 1, and the other end is connected with ground (GND);
2., pin 3 is connected with the end of C1, the other end of C1 is connected with ground (GND);
3., pin 4 is connected with the anode of C2, the negative terminal of C2 is connected with ground (GND);
4., pin 5 is connected with the end of R4, the other end of R4 is connected with the end of RP1, the other end of RP1 is connected with the end of R5, the other end of R5 is connected with ground (GND), the centre tap of RP1 and the anode of C4, the end of R8 is connected, the negative terminal of C4 is connected with ground (GND), the end of the other end of R8 and C5, the end of R9, the end of R10 is connected, the other end of C5 is connected with ground (GND), the other end of R10 is connected with the centre tap of RP2, the end of RP2 is connected with ground (GND), and the other end of RP2 is connected with the end of R11, and the other end of R11 is connected with negative supply (Vee); The other end of R9 is connected with the end of C6, constitutes the input voltage that enters analog to digital converter (ADC), and the other end of C6 is connected with ground (GND).
5., pin 6 is connected with the end of R6, the end of R7, the end of C3, the other end of R7 is connected with ground (GND), the other end of R6 is connected with pin 4, pin 10, pin 14, the other end of C3 is connected with pin 9;
6., pin 7 is connected with ground (GND);
7., pin 8 is connected with the end of pin 12, C7, the end of R2, the other end of C7 is connected with ground (GND), the other end of R2 is connected with an end, the pin 13 of R3, the other end of R3 is connected with pin 10.
Principle of work of the present utility model is:
1, Fundamentals of Sensors
The capacitive transducer of this instrument has the sample built-in type and immerses two kinds of forms of sample formula, and two kinds of sensors are formed by inside and outside double-layer structure, and when being full of different sample medias between these two kinds of structures, sensor will produce different capacitance signal (C).
For the immersion capacitive transducer, directly sensor is immersed in the sample during use and gets final product, sensor can produce and the corresponding capacitance of fluid to be measured dielectric attribute.
For the built-in type capacitive transducer, sample is placed between the internal and external electrode gap of this sensor, and sensor can produce and the corresponding capacitance of fluid to be measured dielectric attribute.
2, gasoline octane value tester principle
Parts such as the front-end circuit that this instrument is made of capacitive transducer, ICM7556 and peripheral circuit, number converter, temperature sensor, master control body, keyboard, LCD and mini-printer are formed.
After the energized, front-end circuit realizes that C (electric capacity)/U (voltage) conversion produces voltage signal, voltage signal obtains digital signal through analog to digital converter, according to mathematical model master control body this digital signal conversion is become the octane value of sample, and liquid crystal display displays output is arranged.By the printing function of operation keyboard, can be with the octane value data by the mini-printer printout.
This instrument can pass through the temperature sensor measurement sample temperature, and octane number is carried out the rational temperature correction,
This instrument is according to the characteristics of gasoline liquid state and gasoline component difference, thereby carries out the detection of octane number.
3, principle of work protection explanation
3.1 the utility model capacitive transducer adopts the sample built-in type and immerses two kinds of forms of sample formula; adopt metal material (as stainless steel) processing, though the processing dimension difference, and sensor construction is similar; belong to structure of the present utility model, belong to the protection domain of this patent.
3.2 it is the technology that core is measured capacitive transducer electric capacity that the utility model circuit adopts the ICM7556 integrated circuit; the appearance value of the resistance of resistance and electric capacity is different even be associated; and circuit structure is similar, belongs to structure of the present utility model, belongs to the protection domain of this patent.
Claims (5)
1. gasoline octane value tester, it is characterized in that: this tester comprises capacitive transducer I, front-end circuit II, analog to digital converter III, master control body IV, LCD V, mini-printer VI, power supply VII, keyboard VIII, temperature sensor IX, described capacitive transducer I is connected on the master control body IV by front-end circuit II and A/D conversion circuit III successively, and LCD V, mini-printer VI, power supply VII, keyboard VIII and temperature sensor IX are connected with the master control body.
2. a kind of gasoline octane value tester according to claim 1 is characterized in that: described capacitive transducer is cylindric double-decker, adopts built-in type or two kinds of versions of immersion.
3. a kind of gasoline octane value tester according to claim 2, it is characterized in that: described built-in type capacitive transducer comprises gland nut (1), insulation cover plate (2), interior electrode (3), fixation clip (4), external electrode (5), plastic feet (6), described external electrode (5) be arranged on plastic feet (6) above, be connected and fixed by bolt; Interior electrode (3) is arranged between the inside of external electrode (5) and the external electrode (5) and has the gap; Insulation cover plate (2) is connected and fixed by nut (1) and interior electrode (3), is arranged on the top of external electrode (5); The top that fixation clip (4) is arranged on insulation cover plate (2) is connected with insulation cover plate (2) by nut (1); Described plastic feet (6) side has fairlead (7), and center, interior electrode (3) top has fairlead (8), and external electrode (5) inwall has the quantitative groove of sample (9), also is provided with bleeder vent (10) on the interior electrode (3).
4. a kind of gasoline octane value tester according to claim 2, it is characterized in that: described immersion capacitive transducer comprises gland nut (1), insulation spacer (2), interior electrode (3), fixation clip (4), external electrode (5), insulating mat spare (11), it is fixing that described interior electrode (3) top has external thread to cooperate with gland nut (1), and interior electrode (3) penetrates in it by external electrode (5) center pit; Going up of interior electrode (3) is set with insulating mat spare (11) by external electrode (3) center nose end, and insulation spacer (2) is sleeved on the upper end of interior electrode (3), is connected with fixation clip (4) above the insulation spacer (2), and be fixing with gland nut (1); Described external electrode (5) upper end has the lead-in wire that external thread (12) is used for external electrode (5); Interior electrode (3) upper end has center pit (13) in the lead-in wire of interior electrode (3).
5. a kind of gasoline octane value tester according to claim 1, it is characterized in that: described front-end circuit and analog to digital converter constitute the metering circuit of capacitive transducer, this circuit adopts the core components of assays of ICM7556 integrated circuit as capacitive transducer, 14 pins on it are connected with electric capacity with the resistance of different resistances and appearance value, and concrete connected mode is:
1., pin 1 is connected with 2 is connected with the end of R1, the other end of R1 is connected with pin 14, pin 14 is connected with power positive end (VCC); One end of capacitive transducer is connected with pin 1, and the other end is connected with ground (GND);
2., pin 3 is connected with the end of C1, the other end of C1 is connected with ground (GND);
3., pin 4 is connected with the anode of C2, the negative terminal of C2 is connected with ground (GND);
4., pin 5 is connected with the end of R4, the other end of R4 is connected with the end of RP1, the other end of RP1 is connected with the end of R5, the other end of R5 is connected with ground (GND), the centre tap of RP1 and the anode of C4, the end of R8 is connected, the negative terminal of C4 is connected with ground (GND), the end of the other end of R8 and C5, the end of R9, the end of R10 is connected, the other end of C5 is connected with ground (GND), the other end of R10 is connected with the centre tap of RP2, the end of RP2 is connected with ground (GND), and the other end of RP2 is connected with the end of R11, and the other end of R11 is connected with negative supply (Vee); The other end of R9 is connected with the end of C6, constitutes the input voltage that enters analog to digital converter (ADC), and the other end of C6 is connected with ground (GND);
5., pin 6 is connected with the end of R6, the end of R7, the end of C3, the other end of R7 is connected with ground (GND), the other end of R6 is connected with pin 4, pin 10, pin 14, the other end of C3 is connected with pin 9;
6., pin 7 is connected with ground (GND);
7., pin 8 is connected with the end of pin 12, C7, the end of R2, the other end of C7 is connected with ground (GND), the other end of R2 is connected with an end, the pin 13 of R3, the other end of R3 is connected with pin 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200950598U CN201569638U (en) | 2009-12-17 | 2009-12-17 | Gasoline octane rating tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200950598U CN201569638U (en) | 2009-12-17 | 2009-12-17 | Gasoline octane rating tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201569638U true CN201569638U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200950598U Expired - Fee Related CN201569638U (en) | 2009-12-17 | 2009-12-17 | Gasoline octane rating tester |
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| CN (1) | CN201569638U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637052A (en) * | 2012-04-13 | 2012-08-15 | 上海富友其石化科技有限公司 | Cooling protection system of octane determining machine |
| CN104777198A (en) * | 2014-01-09 | 2015-07-15 | 宋德齐 | Differential comparison method octane value determinator |
| RU2561241C1 (en) * | 2014-05-19 | 2015-08-27 | Владимир Алексеевич Смолин | Apparatus for real-time gasoline quality control |
| CN106382877A (en) * | 2016-12-09 | 2017-02-08 | 叶明� | Compression ratio measurement system applied to diesel fuel cetane number determination machine |
| RU2653777C1 (en) * | 2017-07-10 | 2018-05-14 | Юрий Викторович Казарин | Device for operational determination of the octane number of automobile gasoline |
| CN113484375A (en) * | 2021-07-23 | 2021-10-08 | 中国水利水电科学研究院 | Octane number determination system based on differential comparison |
-
2009
- 2009-12-17 CN CN2009200950598U patent/CN201569638U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637052A (en) * | 2012-04-13 | 2012-08-15 | 上海富友其石化科技有限公司 | Cooling protection system of octane determining machine |
| CN102637052B (en) * | 2012-04-13 | 2014-03-12 | 上海富友其石化科技有限公司 | Cooling protection system of octane determining machine and protection method thereof |
| CN104777198A (en) * | 2014-01-09 | 2015-07-15 | 宋德齐 | Differential comparison method octane value determinator |
| RU2561241C1 (en) * | 2014-05-19 | 2015-08-27 | Владимир Алексеевич Смолин | Apparatus for real-time gasoline quality control |
| CN106382877A (en) * | 2016-12-09 | 2017-02-08 | 叶明� | Compression ratio measurement system applied to diesel fuel cetane number determination machine |
| CN106382877B (en) * | 2016-12-09 | 2022-07-22 | 叶明� | Compression ratio measuring system applied to diesel cetane number measuring machine |
| RU2653777C1 (en) * | 2017-07-10 | 2018-05-14 | Юрий Викторович Казарин | Device for operational determination of the octane number of automobile gasoline |
| CN113484375A (en) * | 2021-07-23 | 2021-10-08 | 中国水利水电科学研究院 | Octane number determination system based on differential comparison |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20141217 |
|
| EXPY | Termination of patent right or utility model |