CN110107409B - Tail gas detection device and one-key start control system of large generator set - Google Patents
Tail gas detection device and one-key start control system of large generator set Download PDFInfo
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- CN110107409B CN110107409B CN201910373941.2A CN201910373941A CN110107409B CN 110107409 B CN110107409 B CN 110107409B CN 201910373941 A CN201910373941 A CN 201910373941A CN 110107409 B CN110107409 B CN 110107409B
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- tail gas
- unit
- detection
- wall
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 90
- 239000000446 fuel Substances 0.000 claims abstract description 35
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 17
- 230000008602 contraction Effects 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
- F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/04—Starting of engines by means of electric motors the motors being associated with current generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
Abstract
The invention discloses a tail gas detection device of a large generator set and a one-key starting control system, which comprise a one-key starting main control unit, wherein the one-key starting main control unit consists of a programmable controller and a liquid crystal touch screen, the programmable controller is electrically connected with the liquid crystal touch screen, the generator set, an air-fuel ratio control unit, a data acquisition unit and a starting unit are connected with the one-key starting main control unit, an electromagnetic valve and an air inlet valve are connected with the air-fuel ratio control unit, a fuel engine is connected with a pneumatic unit, the electromagnetic valve and the air inlet valve are both connected with a fuel generator, and the tail gas detection unit and the unit information acquisition unit are connected with the data acquisition unit. According to the invention, by detecting the tail gas components, the working condition of the fuel engine can be conveniently and better known, the combustion condition of the fuel engine can be adjusted, the contact probability of the tail gas and the tail gas component detection sensor can be increased, and the reliability of the detection result can be improved.
Description
Technical Field
The invention relates to the technical field of large-scale generator sets, in particular to a tail gas detection device of a large-scale generator set and a one-key starting control system.
Background
The generator is mechanical equipment which converts other forms of energy into electric energy, is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy and transmits the mechanical energy to the generator, and then the generator converts the mechanical energy into electric energy. The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. The generator has many forms, but the working principle is based on the law of electromagnetic induction and the law of electromagnetic force. The general principle of its construction is therefore: appropriate magnetic conductive and electric conductive materials are used to form a magnetic circuit and a circuit which mutually perform electromagnetic induction so as to generate electromagnetic power and achieve the purpose of energy conversion. Most of the fuel engines are provided with a one-key starting control system.
The existing pneumatic control systems have general reliability of detection data and cannot well regulate and control the working state of a fuel engine, so that a tail gas detection device and a one-key starting control system of a large-scale generator set are provided.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a tail gas detection device of a large generator set and a one-key starting control system.
The invention provides an exhaust gas detection device for a large-scale generator set, which comprises a detection pipe, wherein a metal cover is welded at the top end of the detection pipe, a metal net cover is welded at the bottom position of the side wall of the metal cover, a contraction part is arranged at the bottom position of the side wall of the detection pipe, a cross-shaped bracket is welded at the position, close to the contraction part, of the inner wall of the detection pipe, an exhaust gas component detection sensor is fixed on the outer wall of the bottom end of the cross-shaped bracket through a bolt, a bucket-shaped turbulence cover is welded at the position, close to the exhaust gas component detection sensor, of the inner wall of the detection pipe, a cleaning assembly is arranged at the top position of the side wall of the bucket-shaped turbulence cover, a shunting block is arranged at the bottom position of the detection pipe, the shunting block is of a biconical structure, connecting blocks which are distributed in an annular shape at equal intervals are welded on the side wall of the shunting block, the connecting blocks are welded and fixed with the inner wall of the detection pipe, rectangular holes which are distributed in an annular shape at equal intervals are arranged at the top position of the inner wall of the detection pipe, the utility model discloses a detection tube, including bucket form vortex cover lateral wall, detection tube lateral wall, air duct, drip proof subassembly, detection tube lateral wall, air duct lateral wall, air duct, and detection tube lateral wall, air duct lateral wall, and lateral wall, edge upwards extends and forms the protruding edge of annular, detection tube lateral wall is close to the weeping hole that the equidistance is the annular and distributes near the flange that detection tube inner wall is close to flange bottom position department, the welding of detection tube inner wall top has the metal of inversion to fight.
The invention provides a one-key start control system of a large generator set, which comprises a one-key start main control unit, wherein the one-key start main control unit consists of a programmable controller and a liquid crystal touch screen, the programmable controller is electrically connected with the liquid crystal touch screen, a generator set connected with the one-key start main control unit, an air-fuel ratio control unit, a data acquisition unit and a start unit, an electromagnetic valve and an air inlet valve which are connected with the air-fuel ratio control unit, a fuel engine which is connected with the starting unit, the electromagnetic valve and the air inlet valve are both connected with the fuel engine, a tail gas detection unit and a unit information acquisition unit which are connected with the data acquisition unit, wherein the tail gas detection unit and the unit information acquisition unit are both connected with the fuel engine, the starting unit comprises a starting motor, and the tail gas detection unit comprises a tail gas detection device connected with a fuel engine exhaust pipe.
Preferably, the fuel engine is provided with a temperature sensor, an oxygen concentration sensor and a power detection device, the temperature sensor, the oxygen concentration sensor and the power detection device are all connected with the unit information acquisition unit, the temperature sensor adopts a K-type thermocouple, and the power detection device adopts an electronic power meter.
Preferably, the fuel engine is in gear engagement with the starter motor, and the engine and the generator are coaxially connected.
Preferably, the generator set is provided with an electronic power meter and a temperature detection device, and the electronic power meter and the temperature detection device are connected with the key starting main control unit.
The beneficial effects of the invention are as follows:
through detecting the tail gas composition, convenient better understanding fuel engine's operating condition, the convenient solenoid valve and the admission valve that link to each other through air-fuel ratio control unit, adjust fuel engine's combustion situation, the drip proof liquid subassembly that sets up, can collect the liquid that detects the pipe wall condensation and form, avoid the liquid backward flow, avoid influencing tail gas composition and detect the sensor, the clean mechanism that is equipped with can clean tail gas composition and detect the sensor, guarantee the reliability of testing result, combine the shrink part that sets up, branch stream block and fill form vortex cover, increase the probability that tail gas and tail gas composition detected the sensor contact, improve the testing result reliability.
Drawings
Fig. 1 is a schematic diagram of a tail gas detection device and a one-key start control system of a large generator set according to the present invention;
fig. 2 is a schematic structural diagram of a tail gas detection device of a large-scale generator set and a tail gas detection device involved in a one-key start control system according to the present invention;
fig. 3 is a schematic sectional structural view of an exhaust gas detection device of a large-scale generator set and an exhaust gas detection device related to a one-key start control system according to the present invention.
In the figure: the device comprises a contraction part 1, a detection tube 2, a metal net cover 3, a metal cover 4, an air connector 5, a flow dividing block 6, a connecting block 7, a bucket-shaped turbulence cover 8, an annular air guide tube 9, a rectangular hole 10, an inverted metal bucket 11, an annular convex edge 12, a convex ring 13, a cross-shaped support 14 and a tail gas component detection sensor 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a tail gas detection device and a one-key start control system of a large generator set comprise a one-key start main control unit, the one-key start main control unit is composed of a programmable controller and a liquid crystal touch screen, the programmable controller is electrically connected with the liquid crystal touch screen, the generator set connected with the one-key start main control unit, an air-fuel ratio control unit, a data acquisition unit and a start unit, an electromagnetic valve and an air inlet valve connected with the air-fuel ratio control unit, a fuel engine connected with the start unit, the electromagnetic valve and the air inlet valve are both connected with the fuel engine, the tail gas detection unit and the unit information acquisition unit connected with the data acquisition unit are both connected with the fuel engine, the start unit comprises a start motor, the tail gas detection unit comprises a tail gas detection device connected with an exhaust pipe of the fuel engine, the fuel engine is provided with a temperature sensor, an oxygen concentration sensor and a power detection device, the temperature sensor, the oxygen concentration sensor and the power detection device are all connected with the unit information acquisition unit, the temperature sensor adopts a K-type thermocouple, the power detection device adopts an electronic power meter, the fuel engine is meshed with a starting motor gear and is connected with the starting motor gear, the engine is coaxially connected with the generator, the generator set is provided with the electronic power meter and the temperature detection device, and the electronic power meter and the temperature detection device are connected with a key starting main control unit.
Referring to fig. 2-3, the tail gas detection device of a large-scale generator set and the tail gas detection device related to a one-key start control system comprise a detection tube 2, a metal cover 4 is welded at the top end of the detection tube 2, a metal net cover 3 is welded at the bottom end of the side wall of the metal cover 4, a contraction part 1 is arranged at the bottom end of the side wall of the detection tube 2, a cross-shaped bracket 14 is welded at the position of the inner wall of the detection tube 2, which is close to the contraction part 1, a tail gas component detection sensor 15 is fixed at the outer wall of the bottom end of the cross-shaped bracket 14 through bolts, a bucket-shaped turbulence cover 8 is welded at the position of the inner wall of the detection tube 2, a cleaning assembly is arranged at the top end of the side wall of the bucket-shaped turbulence cover 8, a shunting block 6 is arranged at the bottom end of the detection tube 2, the shunting blocks 6 are of a biconical body structure at equal intervals, and connecting blocks 7 distributed annularly are welded at the side wall of the shunting block 6, the connecting block 7 is welded and fixed with the inner wall of the detecting tube 2, rectangular holes 10 which are distributed annularly at equal intervals are arranged at the top end of the inner wall of the detecting tube 2, a drip-proof component is arranged at the top end of the side wall of the detecting tube 2, the cleaning component comprises an annular air duct 9 welded and arranged at the top end of the side wall of the bucket-shaped turbulence cover 8, the side wall of the annular air duct 9 is screwed with air nozzles which are distributed annularly at equal intervals and are arranged obliquely, the bottom end of the side wall of the detection tube 2 is screwed with an air connector 5, the air connector 5 is connected with the annular air duct 9 through a pipeline, the drip-proof component comprises a convex ring 13 which is arranged on the inner wall of the detection tube 2 and is close to the bottom of the metal mesh enclosure 3, and the edge of the inner side of the outer wall of the top end of the convex ring 13 extends upwards to form an annular convex edge 12, liquid leakage holes which are distributed annularly at equal intervals are formed in the position, close to the top end of the convex ring 13, of the inner wall of the detection tube 2, and an inverted metal bucket 11 is welded at the top end of the inner wall of the detection tube 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The tail gas detection device for the large generator set is characterized by comprising a detection pipe (2), wherein a metal cover (4) is welded at the top end of the detection pipe (2), a metal net cover (3) is welded at the bottom position of the side wall of the metal cover (4), a contraction part (1) is arranged at the bottom position of the side wall of the detection pipe (2), a cross support (14) is welded at the position, close to the contraction part (1), of the inner wall of the detection pipe (2), a tail gas component detection sensor (15) is fixed on the outer wall of the bottom end of the cross support (14) through bolts, a bucket-shaped turbulence cover (8) is welded at the position, close to the tail gas component detection sensor (15), of the inner wall of the detection pipe (2), a cleaning assembly is arranged at the top position of the side wall of the bucket-shaped turbulence cover (8), a flow distribution block (6) is arranged at the bottom position of the detection pipe (2), and the flow distribution block (6) is of a double-cone structure, the side wall of the flow distribution block (6) is welded with connecting blocks (7) which are distributed annularly at equal intervals, the connecting blocks (7) are fixedly welded with the inner wall of the detection tube (2), the top end position of the inner wall of the detection tube (2) is provided with rectangular holes (10) which are distributed annularly at equal intervals, the top end position of the side wall of the detection tube (2) is provided with a drip-proof component, the cleaning component comprises an annular air duct (9) which is welded at the top end position of the side wall of the bucket-shaped turbulence cover (8), the side wall of the annular air duct (9) is screwed with air nozzles which are distributed annularly at equal intervals and are arranged in an inclined manner, the bottom end position of the side wall of the detection tube (2) is screwed with an air connecting head (5), the air connecting head (5) is connected with the annular air duct (9) through a pipeline, the drip-proof component comprises a convex ring (13) which is arranged at the position of the inner wall of the detection tube (2) close to the bottom of the metal net cover (3), and the inboard edge of bulge loop (13) top outer wall upwards extends and forms annular protruding edge (12), the weeping hole that has the equidistance to be the annular distribution is opened to the department that is close to bulge loop (13) top position to the inner wall of detecting tube (2), the welding of detecting tube (2) inner wall top has inversion metal fill (11).
2. A one-key start control system of a large generator set is characterized by comprising the tail gas detection device of claim 1 and further comprising a one-key start main control unit, wherein the one-key start main control unit consists of a programmable controller and a liquid crystal touch screen, the programmable controller is electrically connected with the liquid crystal touch screen, a generator set connected with the one-key start main control unit, an air-fuel ratio control unit, a data acquisition unit and a start unit, an electromagnetic valve and an air inlet valve which are connected with the air-fuel ratio control unit, a fuel engine which is connected with the starting unit, the electromagnetic valve and the air inlet valve are both connected with the fuel engine, a tail gas detection unit and a unit information acquisition unit which are connected with the data acquisition unit, wherein the tail gas detection unit and the unit information acquisition unit are both connected with the fuel engine, the starting unit comprises a starting motor, and the tail gas detection unit comprises a tail gas detection device connected with the exhaust pipe.
3. The one-key start control system of the large generator set according to claim 2, wherein the fuel engine is provided with a temperature sensor, an oxygen concentration sensor and a power detection device, the temperature sensor, the oxygen concentration sensor and the power detection device are all connected with the set information acquisition unit, the temperature sensor adopts a K-type thermocouple, and the power detection device adopts an electronic power meter.
4. The one-key-start control system of the large generator set according to claim 3, wherein the fuel engine is meshed with a starting motor gear, and the engine and the generator are coaxially connected.
5. The one-key start control system of the large generator set according to claim 4, wherein the generator set is provided with an electronic power meter and a temperature detection device, and the electronic power meter and the temperature detection device are connected with the one-key start main control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373941.2A CN110107409B (en) | 2019-05-07 | 2019-05-07 | Tail gas detection device and one-key start control system of large generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910373941.2A CN110107409B (en) | 2019-05-07 | 2019-05-07 | Tail gas detection device and one-key start control system of large generator set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107409A CN110107409A (en) | 2019-08-09 |
| CN110107409B true CN110107409B (en) | 2021-11-12 |
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| CN201910373941.2A Expired - Fee Related CN110107409B (en) | 2019-05-07 | 2019-05-07 | Tail gas detection device and one-key start control system of large generator set |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202673459U (en) * | 2012-06-20 | 2013-01-16 | 余长奎 | Gas numerical control system and automatic protection device of internal combustion gas electric generating set |
| CN103644037A (en) * | 2013-12-30 | 2014-03-19 | 淄博淄柴新能源有限公司 | One-button start control system and method for large gas generator set |
| CN105201671A (en) * | 2015-10-09 | 2015-12-30 | 成都天地直方发动机有限公司 | Electronic control system for mining anti-explosion electronic injection diesel locomotive |
| CN105257415A (en) * | 2015-11-05 | 2016-01-20 | 山东大学 | Control system and method for small biomass gas internal combustion generator set |
| CN205349527U (en) * | 2016-02-14 | 2016-06-29 | 四川环巨能源设备有限公司 | A natural gas power unit integrated form key control system |
| CN208040487U (en) * | 2017-12-27 | 2018-11-02 | 广州犇鑫通信技术有限公司 | Tail gas from diesel electric generator grain catcher |
-
2019
- 2019-05-07 CN CN201910373941.2A patent/CN110107409B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202673459U (en) * | 2012-06-20 | 2013-01-16 | 余长奎 | Gas numerical control system and automatic protection device of internal combustion gas electric generating set |
| CN103644037A (en) * | 2013-12-30 | 2014-03-19 | 淄博淄柴新能源有限公司 | One-button start control system and method for large gas generator set |
| CN105201671A (en) * | 2015-10-09 | 2015-12-30 | 成都天地直方发动机有限公司 | Electronic control system for mining anti-explosion electronic injection diesel locomotive |
| CN105257415A (en) * | 2015-11-05 | 2016-01-20 | 山东大学 | Control system and method for small biomass gas internal combustion generator set |
| CN205349527U (en) * | 2016-02-14 | 2016-06-29 | 四川环巨能源设备有限公司 | A natural gas power unit integrated form key control system |
| CN208040487U (en) * | 2017-12-27 | 2018-11-02 | 广州犇鑫通信技术有限公司 | Tail gas from diesel electric generator grain catcher |
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| CN110107409A (en) | 2019-08-09 |
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