CN112198851A - Generating set manufacturing system based on Internet of things - Google Patents
Generating set manufacturing system based on Internet of things Download PDFInfo
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- CN112198851A CN112198851A CN202011072789.3A CN202011072789A CN112198851A CN 112198851 A CN112198851 A CN 112198851A CN 202011072789 A CN202011072789 A CN 202011072789A CN 112198851 A CN112198851 A CN 112198851A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 61
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 239000000295 fuel oil Substances 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 49
- 238000009413 insulation Methods 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 7
- 239000010705 motor oil Substances 0.000 claims description 7
- 238000000819 phase cycle Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000016507 interphase Effects 0.000 claims description 6
- 230000003584 silencer Effects 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 230000006855 networking Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
-
- 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
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32368—Quality control
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention relates to the technical field of generator sets, and discloses a generator set manufacturing system based on the Internet of things, which comprises a production workshop, a data processing system and a data processing system, wherein the production workshop is used for producing all parts of a generator set; in the basic acceptance workshop, the overall dimension of the generator and the position of the buried iron or the preformed hole on the generator are checked according to the installation construction drawing; an exhaust system installation workshop is mainly used for installing an exhaust system of a diesel generator. The invention controls a plurality of workshops to work in sequence through a control center of a factory area, realizes production assembly, basic acceptance, installation of an exhaust/fuel oil/cooling system, installation of electrical equipment, installation of a grounding wire, installation of unit wiring, unit debugging and trial operation acceptance of all parts of the generator set, has reasonable and ordered overall work, can rapidly and correctly manufacture, assemble and accept the generator set, reduces the fault rate of finished generator sets, and is beneficial to improving the manufacturing qualification rate, thereby improving the production benefit of enterprises.
Description
Technical Field
The invention relates to the technical field of generator sets, in particular to a generator set manufacturing system based on the Internet of things.
Background
The generator set is a complete set of mechanical equipment for converting other forms of energy into electric energy, and consists of a power system, a control system, a silencing system, a damping system and an exhaust system, and is driven by a water turbine, a steam turbine, a diesel engine or other power machines, so that energy generated by water flow, air flow, fuel combustion or atomic fission is converted into mechanical energy to be transmitted to a generator, and then the mechanical energy is converted into electric energy by the generator to be output to electric equipment for use.
With the increase of the using amount of the generator set, the production quality requirement of the generator set is higher and higher, a mature generator set manufacturing system is lacked when the generator set is manufactured at present, the operation faults of finished generator sets are more, the manufacturing qualified rate is reduced, and the production benefits of enterprises are reduced.
Disclosure of Invention
In view of the above problems in the prior art, the present invention provides a generator set manufacturing system based on the internet of things.
In order to achieve the purpose, the generator set manufacturing system based on the internet of things comprises a production workshop, a production system and a control system, wherein the production workshop is used for producing all parts of a generator set;
in the basic acceptance workshop, the overall dimension of the generator and the position of the buried iron or the preformed hole on the generator are checked according to the installation construction drawing;
the exhaust system of the diesel generator set consists of a pipeline, a supporting piece, a corrugated pipe and a silencer which are connected by flanges, wherein an asbestos gasket is added at the joint of the flanges, and the pipe orifice of the exhaust pipe is stably installed with the silencer after being polished;
the fuel oil/cooling system installation workshop is mainly used for installing the fuel oil and the cooling system of the diesel generator, and the fuel oil/cooling system of the diesel generator mainly comprises an oil tank, a circulating pump, a heat exchanger, a fan, an instrument and a pipeline;
the electric equipment installation workshop is used for installing a generator control box and mainly controlling the power transmission and voltage regulation of the generator, the control cabinets are fixed with each other or with the basic profile steel by adopting galvanized bolts, anti-loosening parts are complete, secondary circuit wiring is bundled, and different voltage grades, alternating current lines, direct current lines and computer control lines are respectively bundled and provided with marks;
the grounding wire installation workshop is used for installing the grounding wire of the generator, connecting the working zero line of the generator with the grounding bus by using a special grounding wire and a nut, and arranging a bolt anti-loosening device which is complete and provided with a mark;
the unit wiring installation workshop is used for cable connection of the generator set, laying cables of a power supply loop and a control loop and connecting the cables with equipment;
the unit debugging workshop comprises generator body debugging and a whole set of tests of a generator protection loop;
the unit commissioning debugging workshop comprises unit no-load operation debugging, cooling water/engine oil heating system detection of an automatic unit, unit protection performance detection, unit supply device detection, unit on-load test, unit full-load test, system linkage debugging and commissioning acceptance check.
Preferably, when the foundation acceptance workshop is used for foundation acceptance, the surface of the generator has no cracks, cavities, exposed ribs and falling angles, and the distance between the installation datum line and the building axis and the deviation value between the installation datum line and the plane position and the elevation of the equipment are respectively checked according to the horizontal line of the building axis position and the elevation provided by civil engineering.
Preferably, when the unit is installed in an exhaust system installation workshop, the corrugated pipe connected between the unit and the smoke exhaust pipe is not stressed, and the outer side of the smoke exhaust pipe is wrapped with a layer of heat insulation material.
Preferably, when the electric equipment installation workshop is used for installation, the components are fixed without preventing the trolley switch or the pull-out component from being pulled out or pushed in, and the metal bridge frame is installed according to the installation positions of the control screen and the unit.
Preferably, when wiring is carried out between the machine group wiring workshop, the phase sequence of two ends of the feeder line is consistent with that of the original power supply system, the wiring of a power distribution cabinet and a control cabinet matched with the generator is correct, all fasteners are firm, and the wiring is free from missing and dropping, and the types and specifications of the switch and the protection device meet the design requirements.
Preferably, when the generator body is debugged in a unit debugging workshop, the direct current resistance of the stator winding is measured by using a double-arm bridge, the interphase error is less than 2%, the resistance error converted to the same temperature of a generator factory test is less than 2%, the insulation resistance and the absorption ratio of the stator winding are measured by using a 1000V megohmmeter, the interphase imbalance coefficient of the insulation resistance is less than 2, the insulation absorption ratio of epoxy powder mica is more than 1.6, the alternating current voltage withstand test of the generator stator winding is carried out by using 1.5Un +750V, the flashover breakdown phenomenon does not occur, the insulation resistance of the rotor winding is measured by using the 1000V megohmmeter and is more than 0.5M, the direct current resistance of the rotor winding is measured and converted to the same temperature of the generator factory test is less than 2%, and the insulation resistance is measured by using the 2500V.
Preferably, when a whole set of tests of the protection reflux of the generator are carried out in a set debugging workshop, on the premise that the polarity, the transformation ratio and the test of the current transformer of the generator are correct, current is added to a secondary side protection loop of the current transformer, and the correctness test of overload and overcurrent protection actions is carried out; carrying out correct action tests on the frequency relay, the load unbalance relay and the like according to the specific relay; carrying out correct action tests on the rotor grounding and field loss protection relay; in the excitation and regulation loop test, the excitation voltage can be stably regulated from zero to rated voltage; the insulation resistance between the DC operation circuit and the AC secondary circuit and the insulation resistance between the DC circuit and the AC secondary circuit should be greater than 0.5 megaohm.
Preferably, the production workshop, the basic acceptance workshop, the exhaust system installation workshop, the fuel/cooling system installation workshop, the electrical equipment installation workshop, the ground wire installation workshop, the unit wiring installation workshop, the unit debugging workshop and the unit commissioning debugging workshop are all connected with a control center of a factory area.
Compared with the prior art, the generating set manufacturing system based on the Internet of things has the following beneficial effects:
the invention controls a plurality of workshops to work in sequence through a control center of a factory area, realizes production assembly, basic acceptance, installation of an exhaust/fuel oil/cooling system, installation of electrical equipment, installation of a grounding wire, installation of unit wiring, unit debugging and trial operation acceptance of all parts of the generator set, has reasonable and ordered overall work, can rapidly and correctly manufacture, assemble and accept the generator set, reduces the fault rate of finished generator sets, and is beneficial to improving the manufacturing qualification rate, thereby improving the production benefit of enterprises.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure.
Referring to fig. 1, a generator set manufacturing system based on the internet of things includes a production workshop for producing each component of a generator set;
in the basic acceptance workshop, the overall dimension of the generator and the position of the buried iron or the preformed hole on the generator are checked according to the installation construction drawing;
the exhaust system of the diesel generator set consists of a pipeline, a supporting piece, a corrugated pipe and a silencer which are connected by flanges, wherein an asbestos gasket is added at the joint of the flanges, and the pipe orifice of the exhaust pipe is stably installed with the silencer after being polished;
the fuel oil/cooling system installation workshop is mainly used for installing the fuel oil and the cooling system of the diesel generator, and the fuel oil/cooling system of the diesel generator mainly comprises an oil tank, a circulating pump, a heat exchanger, a fan, an instrument and a pipeline;
the electric equipment installation workshop is used for installing a generator control box and mainly controlling the power transmission and voltage regulation of the generator, the control cabinets are fixed with each other or with the basic profile steel by adopting galvanized bolts, anti-loosening parts are complete, secondary circuit wiring is bundled, and different voltage grades, alternating current lines, direct current lines and computer control lines are respectively bundled and provided with marks;
the grounding wire installation workshop is used for installing the grounding wire of the generator, connecting the working zero line of the generator with the grounding bus by using a special grounding wire and a nut, and arranging a bolt anti-loosening device which is complete and provided with a mark;
the unit wiring installation workshop is used for cable connection of the generator set, laying cables of a power supply loop and a control loop and connecting the cables with equipment;
the unit debugging workshop comprises generator body debugging and a whole set of tests of a generator protection loop;
the unit commissioning debugging workshop comprises unit no-load operation debugging, cooling water/engine oil heating system detection of an automatic unit, unit protection performance detection, unit supply device detection, unit on-load test, unit full-load test, system linkage debugging and commissioning acceptance inspection;
the unit operates under the empty load: manually starting the diesel generator by using a starting device of the unit to perform no-load test for 1h, checking whether the rotation and mechanical transmission of the unit are abnormal, whether the oil supply and the engine oil pressure are normal, whether the cooling water temperature is too high, and whether the rotating speed is automatically controlled and manually controlled to meet the requirements, if the problems are found, solving the problems in time, performing no-load test for 2h after the diesel generator is qualified in no-load test, checking the temperature rise of a machine body and a bearing, and performing the on-load test only if the unit is qualified in no-load test;
detecting a cooling water/engine oil heating system of the automatic unit, switching on a power supply, if the water temperature is lower than 15 ℃, automatically starting a heater for heating, and when the temperature reaches 30 ℃, automatically stopping the heater for heating, wherein the requirement on the engine oil heater is consistent with that of the cooling water heater;
detecting the protection performance of the unit: the instrument is adopted to respectively send out signals of low engine oil pressure, high cooling water temperature, overvoltage, phase failure, overload, short circuit and the like, and the unit immediately starts a protection function and gives an alarm;
detect unit replenishing device: switching a manual/automatic switch of the device to an automatic position, manually discharging water and oil to a low liquid level, automatically supplying by a system, automatically stopping supplying when the liquid level rises to a high liquid level, and checking the phases of the commercial power and the power supply of the generator by adopting a phase sequence meter, wherein the phase sequences are consistent;
and (3) carrying out a load test on the unit: generating power by a unit at a rated rotating speed, checking each main index when the unit operates with load, measuring the shaft voltage of the generator at 50% and 100% load respectively, and meeting the design requirement of the unit;
and (3) full load test of the unit: performing various performance tests of the unit under a full load state, and completing the full load operation time of the unit according to requirements;
linkage debugging with the system: manually cutting off a mains supply, the main unit can be automatically started within the time required by design and supplies power to the load, the mains supply is recovered, and the standby unit is automatically stopped;
and (4) trial operation acceptance: the testing method comprises the steps of testing the switch equipment, the automatic or manual switching device, the protection device and the like on the power receiving side, carrying out load test according to a designed standby power supply use distribution scheme after the tests are qualified, and carrying out 24-hour continuous operation on the unit and the electric device without faults so as to be handed over and accepted.
When the foundation acceptance workshop is used for carrying out foundation acceptance, the surface of the generator has no cracks, cavities, exposed ribs and falling angles, and the distance between the installation datum line and the building axis and the deviation value between the installation datum line and the plane position and the elevation of the equipment are respectively checked according to the horizontal line of the building axis position and the elevation provided by civil engineering.
When the unit is installed in an exhaust system installation workshop, the corrugated pipe connected between the unit and the smoke exhaust pipe is not stressed, and the outer side of the smoke exhaust pipe is wrapped with a layer of heat insulation material.
When the electric equipment is installed in an installation workshop, the parts are fixed without preventing the handcart switch or the pull-out type parts from being pulled out or pushed in, and the metal bridge frame is installed according to the installation positions of the control screen and the unit.
When wiring is carried out in a unit wiring workshop, the phase sequence at the two ends of the feeder line is consistent with the phase sequence of the original power supply system, the wiring of a power distribution cabinet and a control cabinet matched with the generator is correct, all fasteners are firm, the switches and the protection devices are free from missing and falling, and the models and specifications of the switches and the protection devices meet the design requirements.
When the generator body is debugged in a unit debugging workshop, the direct current resistance of a stator winding is measured by using a double-arm bridge, the interphase error is less than 2%, the resistance error converted to the same temperature of a generator factory test is less than 2%, the insulation resistance and the absorption ratio of the stator winding are measured by using a 1000V megohmmeter, the interphase imbalance coefficient of the insulation resistance is less than 2, the insulation absorption ratio of epoxy powder mica is greater than 1.6, the alternating current voltage withstand test of the generator stator winding is carried out by using 1.5Un +750V, the flashover breakdown phenomenon does not exist, the insulation resistance of a rotor winding is measured by using a 1000V megohmmeter and is greater than 0.5 megohmmeter, the direct current resistance of the rotor winding is measured and converted to the same temperature of the generator factory test and is less than 2%, and the insulation resistance is measured.
When a whole set of tests of the protection reflux of the generator are carried out in a set debugging workshop, on the premise that the polarity, the transformation ratio and the tests of the current transformer of the generator are correct, current is added to a secondary side protection loop of the current transformer, and the correctness tests of overload and overcurrent protection actions are carried out; carrying out correct action tests on the frequency relay, the load unbalance relay and the like according to the specific relay; carrying out correct action tests on the rotor grounding and field loss protection relay; in the excitation and regulation loop test, the excitation voltage can be stably regulated from zero to rated voltage; the insulation resistance between the DC operation circuit and the AC secondary circuit and the insulation resistance between the DC circuit and the AC secondary circuit should be greater than 0.5 megaohm.
The production workshop, the basic acceptance workshop, the exhaust system installation workshop, the fuel oil/cooling system installation workshop, the electrical equipment installation workshop, the ground wire installation workshop, the unit wiring installation workshop, the unit debugging workshop and the unit test operation debugging workshop are all connected with the control center of the factory area.
The invention controls a plurality of workshops to work in sequence through a control center of a factory area, realizes production assembly, basic acceptance, installation of an exhaust/fuel oil/cooling system, installation of electrical equipment, installation of a grounding wire, installation of unit wiring, unit debugging and trial operation acceptance of all parts of the generator set, has reasonable and ordered overall work, can rapidly and correctly manufacture, assemble and accept the generator set, reduces the fault rate of finished generator sets, and is beneficial to improving the manufacturing qualification rate, thereby improving the production benefit of enterprises.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (8)
1. The utility model provides a generating set manufacturing system based on thing networking which characterized in that:
the system comprises a production workshop, a control system and a control system, wherein the production workshop is used for producing each part of a generator set;
in the basic acceptance workshop, the overall dimension of the generator and the position of the buried iron or the preformed hole on the generator are checked according to the installation construction drawing;
the exhaust system of the diesel generator set consists of a pipeline, a supporting piece, a corrugated pipe and a silencer which are connected by flanges, wherein an asbestos gasket is added at the joint of the flanges, and the pipe orifice of the exhaust pipe is stably installed with the silencer after being polished;
the fuel oil/cooling system installation workshop is mainly used for installing the fuel oil and the cooling system of the diesel generator, and the fuel oil/cooling system of the diesel generator mainly comprises an oil tank, a circulating pump, a heat exchanger, a fan, an instrument and a pipeline;
the electric equipment installation workshop is used for installing a generator control box and mainly controlling the power transmission and voltage regulation of the generator, the control cabinets are fixed with each other or with the basic profile steel by adopting galvanized bolts, anti-loosening parts are complete, secondary circuit wiring is bundled, and different voltage grades, alternating current lines, direct current lines and computer control lines are respectively bundled and provided with marks;
the grounding wire installation workshop is used for installing the grounding wire of the generator, connecting the working zero line of the generator with the grounding bus by using a special grounding wire and a nut, and arranging a bolt anti-loosening device which is complete and provided with a mark;
the unit wiring installation workshop is used for cable connection of the generator set, laying cables of a power supply loop and a control loop and connecting the cables with equipment;
the unit debugging workshop comprises generator body debugging and a whole set of tests of a generator protection loop;
the unit commissioning debugging workshop comprises unit no-load operation debugging, cooling water/engine oil heating system detection of an automatic unit, unit protection performance detection, unit supply device detection, unit on-load test, unit full-load test, system linkage debugging and commissioning acceptance check.
2. The generating set manufacturing system based on the internet of things of claim 1, wherein when a foundation acceptance workshop is used for foundation acceptance, the surface of the generator has no cracks, cavities, exposed ribs and falling angles, and the distance between the installation datum line and the building axis and the deviation value between the installation datum line and the plane position and the elevation of equipment are respectively checked according to the horizontal line of the building axis position and the elevation provided by civil engineering.
3. The Internet of things-based generator set manufacturing system according to claim 1, wherein when the generator set manufacturing system is installed in an exhaust system installation workshop, a corrugated pipe connected between the generator set and a smoke exhaust pipe is not stressed, and a layer of heat insulation material is wrapped outside the smoke exhaust pipe.
4. The Internet of things-based generator set manufacturing system according to claim 1, wherein when the electric equipment installation workshop is used for installation, the parts are fixed without preventing a handcart switch or a pull-out type part from being pulled out or pushed in, and the metal bridge frame is installed according to the control screen and the installation position of the generator set.
5. The generating set manufacturing system based on the Internet of things is characterized in that when wiring is conducted between machine assembly wiring workshops, the phase sequence of two ends of a feeder line is consistent with the phase sequence of an original power supply system, a power distribution cabinet and a control cabinet which are matched with a generator are correctly wired, all fasteners are firm, leakage and falling are avoided, and the types and specifications of a switch and a protection device meet design requirements.
6. The Internet of things-based generator set manufacturing system according to claim 1, when the generator body is debugged in a unit debugging workshop, the direct current resistance of the stator winding is measured by using a double-arm bridge, the interphase error is less than 2 percent, the resistance error converted to the same temperature of a generator delivery test is less than 2 percent, the insulation resistance and the absorption ratio of the stator winding are measured by using a 1000V megameter, the interphase imbalance coefficient of the insulation resistance is less than 2, the insulation absorption ratio of epoxy powder mica is more than 1.6, the alternating current voltage withstand test of the generator stator winding is carried out by 1.5Un +750V, the flashover breakdown phenomenon is avoided, a 1000V megohmmeter is used for measuring the insulation resistance of the rotor winding to be more than 0.5M, the direct current resistance of the rotor winding is converted to be less than 2% of the resistance error of the generator at the same temperature in the factory test, and a 2500V megohmmeter is used for measuring the insulation resistance to replace the voltage withstand test of the generator rotor winding.
7. The Internet of things-based generator set manufacturing system according to claim 1, wherein when a whole set of tests of generator protection backflow are performed in a set debugging workshop, on the premise that the polarity, transformation ratio and tests of a current transformer of a generator are correct, current is added to a secondary side protection loop of the current transformer, and correctness tests of overload and overcurrent protection actions are performed; carrying out correct action tests on the frequency relay, the load unbalance relay and the like according to the specific relay; carrying out correct action tests on the rotor grounding and field loss protection relay; in the excitation and regulation loop test, the excitation voltage can be stably regulated from zero to rated voltage; the insulation resistance between the DC operation circuit and the AC secondary circuit and the insulation resistance between the DC circuit and the AC secondary circuit should be greater than 0.5 megaohm.
8. The Internet of things-based generator set manufacturing system according to claim 1, wherein the production workshop, the basic acceptance workshop, the exhaust system installation workshop, the fuel/cooling system installation workshop, the electrical equipment installation workshop, the ground wire installation workshop, the unit wiring installation workshop, the unit debugging workshop and the unit commissioning debugging workshop are all connected with a control center of a factory area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072789.3A CN112198851A (en) | 2020-10-09 | 2020-10-09 | Generating set manufacturing system based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072789.3A CN112198851A (en) | 2020-10-09 | 2020-10-09 | Generating set manufacturing system based on Internet of things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112198851A true CN112198851A (en) | 2021-01-08 |
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