CN111207289A - Load dynamic control system of gas generator set - Google Patents
Load dynamic control system of gas generator set Download PDFInfo
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- CN111207289A CN111207289A CN202010019457.2A CN202010019457A CN111207289A CN 111207289 A CN111207289 A CN 111207289A CN 202010019457 A CN202010019457 A CN 202010019457A CN 111207289 A CN111207289 A CN 111207289A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/002—Automated filling apparatus
- F17C5/005—Automated filling apparatus for gas bottles, such as on a continuous belt or on a merry-go-round
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0221—Fuel storage reservoirs, e.g. cryogenic tanks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
- F17C2227/041—Methods for emptying or filling vessel by vessel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
- F17C2250/0434—Pressure difference
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0605—Parameters
- F17C2250/0626—Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0689—Methods for controlling or regulating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
- F17C2265/066—Fluid distribution for feeding engines for propulsion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
- F17C2270/0581—Power plants
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a load dynamic control system of a gas generator set, which comprises: the gas generator comprises a controller, a gas tank, a gas transmission device, gas generators and detection units, wherein each gas generator is provided with a gas storage tank, the gas tank supplies gas to the gas storage tanks of the gas generators through the gas transmission device, the detection units detect real-time state parameter values in the gas tank and the gas generators, and the controller controls the gas supply mode of the gas transmission device according to the real-time state parameter values; the controller is internally provided with a parameter preset value and a corresponding real-time state value which are dynamically controlled based on the load of the gas generator set, and the processing module adjusts the gas supply state of each gas storage tank from the gas transmission device in real time according to the relevance between the parameter preset value and the corresponding real-time state value; and a generator state function F (a, b, c, d) is arranged in the processing module.
Description
Technical Field
The invention relates to the technical field of gas generator sets, in particular to a load dynamic control system of a gas generator set.
Background
The gas power generation is widely applied to the fields of sewage treatment industry, refuse landfill, coal mine gas power generation, large-scale farms, natural gas distributed energy and the like.
At present, gas power generation load control is mainly divided into two types: one is that the load output volume of generator is adjusted according to the power consumption demand of user, and this kind of control mode is not influenced by the gas source, and the gas volume needs to be stable and sufficient, mainly uses in the distributed energy field. The other type is that the load output of the generator is determined according to the gas quantity, and the control characteristics of the type are that the gas supply is limited, and the gas quantity can generate large fluctuation in different time periods, and the type is mainly applied to the fields of sewage anaerobic gas power generation, landfill gas power generation, coal mine gas power generation and the like. For the latter load control mode, the load control of gas power generation usually adopts the inlet pressure of the inlet end of the gas generator set as a control signal, and the load control system has the advantages that the gas generator set can quickly respond according to the change of the inlet pressure, namely, the load adjustment speed is high, the response time is short, but the system cannot pre-judge the change trend of gas and reasonably plan the load of the generator within a certain period of time.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description section. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to overcome the problems in the prior art, the invention provides a load dynamic control system of a gas generator set, which comprises: the gas generator comprises a controller, a gas tank, a gas transmission device, gas generators and detection units, wherein each gas generator is provided with a gas storage tank, the gas tank supplies gas to the gas storage tanks of the gas generators through the gas transmission device, the detection units detect real-time state parameter values in the gas tank and the gas generators, and the controller controls the gas supply mode of the gas transmission device according to the real-time state parameter values;
the controller is internally provided with a parameter preset value and a corresponding real-time state value which are dynamically controlled based on the load of the gas generator set, and the processing module adjusts the gas supply state of each gas storage tank from the gas transmission device in real time according to the relevance between the parameter preset value and the corresponding real-time state value;
the controller comprises a processing module, an adjusting module, a code editing module, a type identification module and a priority identification module, wherein the code editing module is used for setting a code a of each gas generator, the type identification module is used for setting equipment type parameters b of each gas generator, the priority identification module determines the gas supply priority S of each gas generator according to the gas pressure change rate c in a gas storage tank of each gas generator and a gas pressure electric signal d in the gas storage tank, and a generator state function F (a, b, c, d) is arranged in the processing module;
the detection unit comprises a gas pressure sampling module and a pressure calculation module, and the gas pressure sampling module is used for acquiring gas pressure in the gas storage container in real time and generating a corresponding gas pressure electric signal d; the gas generator gas pressure detection device comprises a pressure calculation module, a detection unit, a processing module and an adjustment module, wherein the pressure calculation module calculates and obtains a gas pressure change rate c according to a gas pressure electric signal in a preset time period, the detection unit transmits detection data to the processing module in the controller, the processing module obtains a gas supply priority S corresponding to the gas generator according to a generator electric quantity state function F (a, b, c, d), so that whether parameters of the gas generator are in a preset range or not is determined, if yes, the gas transmission device supplies gas to the gas generator according to the current state, if not, the processing module sends adjustment information to the adjustment module, and the adjustment module controls the gas transmission device to supply gas to gas storage tanks in the gas generator according to an adjustment sequence in the processing module.
Further, the gas transmission device comprises a control switch, the control switch is arranged on a branch path connecting the gas transmission device and the gas storage tank of the gas generator, and the adjustment module controls the control switch.
Further, the equipment types in the type recognizing module include interval-use type equipment and long-time-use type equipment, and when the gas generator is interval-use type equipment, the equipment type parameter b is 1, and when the gas generator is long-time-use type equipment, the equipment type parameter b is 2.
Further, the gas pressure change rate c comprises a first-class change rate, a second-class change rate, a third-class change rate and a fourth-class change rate; the pressure calculation module assigns a first-class change rate c to 1, the pressure calculation module assigns a second-class change rate c to 2, the pressure calculation module assigns a third-class change rate c to 3, and the pressure calculation module assigns a fourth-class change rate c to 4.
Further, the pressure calculation module stores a standard rate of change threshold K, where the standard rate of change threshold K includes: a first rate of change threshold K1, a second rate of change threshold K2, and a third rate of change threshold K3, wherein K1< K2< K3;
when the gas pressure change rate c of the gas generator is smaller than or equal to a first change rate threshold value K1, the gas generator change rate is determined as an equal-grade change rate;
when the gas pressure change rate c of the gas generator is greater than a first change rate threshold K1 and the gas pressure change rate c is less than or equal to K2, the gas generator change rate is determined as the second-class change rate;
when the gas pressure change rate c of the gas generator is greater than a second change rate threshold K2 and the gas pressure change rate c is less than or equal to K3, the gas generator change rate is determined as a third-equal change rate;
when the gas pressure change rate c of the gas generator is larger than a third change rate threshold value K3, the gas generator change rate is determined as a fourth equal change rate.
Further, the pressure calculation module is stored with a standard pressure threshold, which includes: a first pressure signal threshold P1 and a second pressure signal threshold P2, and P1< P2.
Further, the gas pressure electric signals d in the gas storage tank comprise an equal-pressure electric signal, an equal-pressure electric signal and a three-equal-pressure electric signal; the pressure calculation module assigns the equal-pressure electric signal d to 3, the pressure calculation module assigns the equal-pressure electric signal d to 2, and the pressure calculation module assigns the equal-pressure electric signal three to 1;
when the gas pressure electric signal d is smaller than or equal to a first pressure signal threshold value P1, the gas pressure electric signal in the gas storage tank is determined as an equal-pressure electric signal;
when the gas pressure electric signal d is greater than a first pressure signal threshold value P1 and is less than or equal to a second pressure signal threshold value P2, the gas pressure electric signal in the gas storage tank is determined to be an equi-pressure electric signal;
when the gas pressure electric signal d is larger than a second pressure signal threshold value P2, the gas pressure electric signal in the gas storage tank is identified as a third equal pressure electric signal.
Further, when the device type parameter b is 2, the pressure calculation module assigns the pressure electric signal of the gas generator to d is 4, and when the device type parameter b is 1, the gas pressure electric signal in the gas storage tank is determined to be any one of a first-level pressure electric signal, a second-level pressure electric signal or a third-level pressure electric signal.
Further, the gas supply priority S of the gas generator is b + c + d + e, where b is an equipment type parameter of the gas generator, c is a gas pressure change rate, d is an electrical gas pressure signal in the gas storage tank, and e is an additional parameter; wherein the content of the first and second substances,
when c-d is 1, e is 1;
when c-d > 1, e ═ 1;
when c-d is 0, e is 2;
when c-d is-1, e is 1;
when c-d < -1, e ═ 0.
Further, the air supply priority S includes, in order from front to rear, a first priority S1, a second priority S2, a third priority S3, and a fourth priority S4;
when the value of the air supply priority S is more than 8, the air supply priority of the gas generator is a first priority S1;
when the value of the gas supply priority S is more than 5 and less than or equal to 8, the gas supply priority of the gas generator is a second priority S2;
when the value of the gas supply priority S is more than 3 and less than or equal to 5, the gas supply priority of the gas generator is a third priority S3;
when the value of the gas supply priority S is less than or equal to 3, the gas supply priority of the gas generator is a first priority S4; when at least two gas generators are in the same priority, the gas supply sequence of the gas generators is related to the size of the priority value S of the gas generators, and the priority level is higher when the value of S is larger;
when the priority values S of at least two gas generators are the same, the priority level of the gas generator is determined by the gas pressure electric signal d in the gas storage tank, and the higher the parameter d is, the higher the priority level is.
Compared with the prior art, the invention has the following advantages: the controller comprises a processing module, an adjusting module, a code editing module, a type identification module and a priority identification module, wherein the code editing module is used for setting a code a of each gas generator, the type identification module is used for setting equipment type parameters b of each gas generator, the priority identification module determines the gas supply priority S of each gas generator according to the gas pressure change rate c in a gas storage tank of each gas generator and a gas pressure electric signal d in the gas storage tank, and a generator state function F (a, b, c, d) is arranged in the processing module; the detection unit comprises a gas pressure sampling module and a pressure calculation module, and the gas pressure sampling module is used for acquiring gas pressure in the gas storage container in real time and generating a corresponding gas pressure electric signal d; the gas generator gas pressure detection device comprises a pressure calculation module, a detection unit, a processing module and an adjustment module, wherein the pressure calculation module calculates and obtains a gas pressure change rate c according to a gas pressure electric signal in a preset time period, the detection unit transmits detection data to the processing module in the controller, the processing module obtains a gas supply priority S corresponding to the gas generator according to a generator electric quantity state function F (a, b, c, d), so that whether parameters of the gas generator are in a preset range or not is determined, if yes, the gas transmission device supplies gas to the gas generator according to the current state, if not, the processing module sends adjustment information to the adjustment module, and the adjustment module controls the gas transmission device to supply gas to gas storage tanks in the gas generator according to an adjustment sequence in the processing module. According to the invention, the control system is used for establishing the electric quantity state function of the generator; the power utilization state of the generator can be visually judged according to the priority S established by the function, the gas pressure change rate c and the gas pressure electric signal d in the function have a memory function, the change trend of the generator can be favorably pre-judged, and the system is favorable for reasonably distributing the load of the generator.
Drawings
In order that the advantages of the invention will be readily understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Understanding that these drawings depict only typical embodiments of the invention and are not therefore to be considered to be limiting of its scope, the invention will be described and explained with additional specificity and detail through the use of the accompanying drawings.
Fig. 1 is a schematic overall structure diagram of an embodiment of a server according to the present invention;
fig. 2 is a schematic overall structure diagram of another embodiment of the server according to the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in detail so as not to obscure the embodiments of the invention.
In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art. The following detailed description of preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "transverse", "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a load dynamic control system for a gas generator set, including: the gas generator comprises a controller, gas tanks, gas transmission devices, gas generators and detection units, wherein each gas generator is provided with a gas storage tank, the gas tanks supply gas to the gas storage tanks of the gas generators through the gas transmission devices, the detection units detect real-time state parameter values in the gas tanks and the gas generators, and the controller controls the gas supply mode of the gas transmission devices according to the real-time state parameter values.
Specifically, a parameter preset value and a corresponding real-time state value based on dynamic load control of the gas generator set are arranged in the controller, and the processing module adjusts the gas supply state of the gas transmission device to each gas storage tank in real time according to the relevance between the parameter preset value and the corresponding real-time state value.
Specifically, the controller comprises a processing module, an adjusting module, a code editing module, a type identification module and a priority identification module, wherein the code editing module is used for setting a code a of each gas generator, the type identification module is used for setting equipment type parameters b of each gas generator, the priority identification module determines the gas supply priority S of each gas generator according to the gas pressure change rate c in a gas storage tank of each gas generator and a gas pressure electric signal d in the gas storage tank, and a generator state function F (a, b, c, d) is arranged in the processing module; the detection unit comprises a gas pressure sampling module and a pressure calculation module. The gas pressure sampling module is used for collecting gas pressure in the gas storage container in real time and generating a corresponding gas pressure electric signal d; the pressure calculation module calculates and obtains a gas pressure change rate c (namely a change value of gas pressure per second) according to the gas pressure electric signal in the preset time period. The detection unit transmits all detection data to a processing module in the controller, the processing module calculates a generator power state function F (a, b, c, d) to obtain an air supply priority S corresponding to the gas generator, and further determines whether all parameters of the gas generator are within a preset range, if so, the gas transmission device supplies gas to the gas generator according to the current state, if not, the processing module sends adjustment information to the adjustment module, and the adjustment module controls the gas transmission device to supply gas to a gas storage tank in each gas generator according to an adjustment sequence in the processing module. When the gas pressure in the gas storage tanks of a plurality of gas generators is insufficient, so that the dynamic load of the generators is changed, the gas supply priority determines which gas storage tank the gas pool supplies gas preferentially to.
Specifically, the gas transmission device comprises a control switch, the control switch is arranged on a branch circuit connecting the gas transmission device and each gas storage tank of the gas generator, and the adjustment module controls the control switch so as to determine the on-off of the branch circuit.
Specifically, the equipment types in the type recognizing module include interval use type equipment and long-time use type equipment, and the equipment type parameter b is 1 when the gas generator is the interval use type equipment, and the equipment type parameter b is 2 when the gas generator is the long-time use type equipment.
Specifically, the gas pressure change rate c comprises a first-class change rate, a second-class change rate, a third-class change rate and a fourth-class change rate; the pressure calculation module assigns the first-class change rate c to 1, the pressure calculation module assigns the second-class change rate c to 2, the pressure calculation module assigns the third-class change rate c to 3, and the pressure calculation module assigns the fourth-class change rate c to 4. Also stored within the pressure calculation module is a standard rate of change threshold K comprising: a first rate of change threshold K1, a second rate of change threshold K2, and a third rate of change threshold K3, K1< K2< K3; when the gas pressure change rate c of the gas generator is smaller than or equal to a first change rate threshold value K1, the gas generator change rate is determined as an equal-class change rate;
when the gas pressure change rate c of the gas generator is greater than a first change rate threshold value K1 and the gas pressure change rate c is less than or equal to K2, the gas generator change rate is determined as a second-order change rate;
when the gas pressure change rate c of the gas generator is greater than a second change rate threshold value K2 and the gas pressure change rate c is less than or equal to K3, the gas generator change rate is determined as a third-equal change rate;
when the gas pressure change rate c of the gas generator is greater than the third change rate threshold K3, the gas generator change rate is identified as a fourth equal change rate.
In some embodiments of the present invention, if the gas pressure change rate c is less than the first change rate threshold K1, it indicates that the gas generator is used less frequently, and if the gas generator is a low-power generator, it can maintain 80% -100% of the load to work; if the gas pressure change rate c is between the first change rate threshold K1 and the second change rate threshold K2, the use frequency of the gas generator is general, and if the gas generator is a low-power generator, 50% -100% of load can be maintained to work; if the gas pressure change rate c is greater than the second change rate threshold K2, it indicates that the gas generator is used at a high frequency, and if the gas generator needs to maintain a load of 50% or more to operate, it is necessary to frequently supply gas to the gas storage tank of the gas generator.
The pressure calculation module is also internally stored with a standard pressure threshold value, which comprises: the pressure signal of the air storage tank comprises a first pressure signal threshold P1 and a second pressure signal threshold P2, P1 is less than P2, and an electric pressure signal d of the air in the air storage tank comprises an electric signal of equal pressure, an electric signal of equal pressure and an electric signal of three equal variable pressures; the pressure calculation module assigns the equal-pressure electric signal d to 3, the pressure calculation module assigns the equal-pressure electric signal d to 2, and the pressure calculation module assigns the equal-pressure electric signal d to 1; when the gas pressure electric signal d is smaller than or equal to a first pressure signal threshold value P1, the gas pressure electric signal in the gas storage tank is determined as an equal-pressure electric signal;
when the gas pressure electric signal d is greater than a first pressure signal threshold value P1 and is less than or equal to a second pressure signal threshold value P2, the gas pressure electric signal in the gas storage tank is determined to be an equal-pressure electric signal;
when the gas pressure electric signal d is larger than a second pressure signal threshold value P2, the gas pressure electric signal in the gas storage tank is identified as a third equal pressure electric signal.
In some embodiments of the present invention, if the gas pressure electrical signal d in the gas storage tank is smaller than the first pressure signal threshold P1, it indicates that the gas amount in the gas storage tank of the gas generator is small, and the normal operation of the gas generator cannot be maintained; if the gas pressure electric signal d in the gas storage tank is between the first pressure signal threshold value P1 and the second pressure signal threshold value P2, the gas quantity in the gas storage tank of the gas generator is general, and the low-power generator can only be maintained to work at 50% -80% of load; if the gas pressure electric signal d in the gas storage tank is larger than the second pressure signal threshold value P2, it indicates that the gas amount in the gas storage tank of the gas generator is enough, and the high-power generator can be maintained to operate above 50% load, or the low-power generator can be operated at 100% load.
Specifically, when the equipment type parameter b is 2, the pressure calculation module assigns the pressure electric signal of the gas generator to d is 4, and when the equipment type parameter b is 1, the gas pressure electric signal in the gas storage tank can be identified as any one of a first-level pressure electric signal, a second-level pressure electric signal or a third-level pressure electric signal.
Specifically, the air supply priority S of each gas generator is b + c + d + e, wherein b is an equipment type parameter of the gas generator, c is a gas pressure change rate, d is an electric gas pressure signal in the gas storage tank, and e is an additional parameter; wherein the content of the first and second substances,
when c-d is 1, e is 1;
when c-d > 1, e ═ 1;
when c-d is 0, e is 2;
when c-d is-1, e is 1;
when c-d < -1, e ═ 0.
Specifically, the air supply priority S includes, in order from front to rear, a first priority S1, a second priority S2, a third priority S3, and a fourth priority S4;
when the value of the air supply priority S is more than 8, the air supply priority of the gas generator is a first priority S1;
when the value of the air supply priority S is more than 5 and less than or equal to 8, the air supply priority of the gas generator is a second priority S2;
when the value of the air supply priority S is more than 3 and less than or equal to 5, the air supply priority of the gas generator is a third priority S3;
when the value of the air supply priority S is less than or equal to 3, the air supply priority of the gas generator is a first priority S4; when at least two gas generators are in the same priority, the gas supply sequence of the gas generators is related to the size of the priority value S of the gas generators, and the priority level is higher when the value of S is larger;
when the priority values S of at least two gas generators are the same, the priority level of the gas generators is determined by the gas pressure electric signal d in the gas storage tank, and the higher the parameter d is, the higher the priority level is.
With continued reference to fig. 1, in one embodiment of the present invention, the gas pool is required to supply gas to three gas generators simultaneously; the three generators are respectively a first gas generator for lighting, a second gas generator for supplying power to daily electrical equipment and a third gas generator for charging the motor vehicle; the state of charge function of the first gas generator is: f1(1, 2, c, d), the state of charge function of the second gas-electric generator being: f2(2, 1, c, d), the state of charge function of the third gas generator is: f3(3, 1, c, d).
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "component" and the like, when used herein, can refer to either a single part or a combination of parts. Terms such as "mounted," "disposed," and the like, as used herein, may refer to one component as being directly attached to another component or one component as being attached to another component through intervening components. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.
The present invention has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the scope of the described embodiments. It will be appreciated by those skilled in the art that many variations and modifications may be made to the teachings of the invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a gas generating set load dynamic control system which characterized in that includes: the gas generator comprises a controller, a gas tank, a gas transmission device, gas generators and detection units, wherein each gas generator is provided with a gas storage tank, the gas tank supplies gas to the gas storage tanks of the gas generators through the gas transmission device, the detection units detect real-time state parameter values in the gas tank and the gas generators, and the controller controls the gas supply mode of the gas transmission device according to the real-time state parameter values;
the controller is internally provided with a parameter preset value and a corresponding real-time state value which are dynamically controlled based on the load of the gas generator set, and the processing module adjusts the gas supply state of each gas storage tank from the gas transmission device in real time according to the relevance between the parameter preset value and the corresponding real-time state value;
the controller comprises a processing module, an adjusting module, a code editing module, a type identification module and a priority identification module, wherein the code editing module is used for setting a code a of each gas generator, the type identification module is used for setting equipment type parameters b of each gas generator, the priority identification module determines the gas supply priority S of each gas generator according to the gas pressure change rate c in a gas storage tank of each gas generator and a gas pressure electric signal d in the gas storage tank, and a generator state function F (a, b, c, d) is arranged in the processing module;
the detection unit comprises a gas pressure sampling module and a pressure calculation module, and the gas pressure sampling module is used for acquiring gas pressure in the gas storage container in real time and generating a corresponding gas pressure electric signal d; the gas generator gas pressure detection device comprises a pressure calculation module, a detection unit, a processing module and an adjustment module, wherein the pressure calculation module calculates and obtains a gas pressure change rate c according to a gas pressure electric signal in a preset time period, the detection unit transmits detection data to the processing module in the controller, the processing module obtains a gas supply priority S corresponding to the gas generator according to a generator electric quantity state function F (a, b, c, d), so that whether parameters of the gas generator are in a preset range or not is determined, if yes, the gas transmission device supplies gas to the gas generator according to the current state, if not, the processing module sends adjustment information to the adjustment module, and the adjustment module controls the gas transmission device to supply gas to gas storage tanks in the gas generator according to an adjustment sequence in the processing module.
2. The system of claim 1, wherein the gas delivery device comprises a control switch, the control switch is disposed on a branch connecting the gas delivery device and the gas storage tank of the gas generator, and the adjustment module controls the control switch.
3. The system of claim 1, wherein the equipment types in the type identification module include interval-use equipment and long-time-use equipment, and the equipment type parameter b is 1 when the gas generator is interval-use equipment and 2 when the gas generator is long-time-use equipment.
4. The gas generator set load dynamics control system of claim 1, wherein the gas pressure rate of change c comprises a first-class rate of change, a second-class rate of change, a third-class rate of change, and a fourth-class rate of change; the pressure calculation module assigns a first-class change rate c to 1, the pressure calculation module assigns a second-class change rate c to 2, the pressure calculation module assigns a third-class change rate c to 3, and the pressure calculation module assigns a fourth-class change rate c to 4.
5. The gas generator set load dynamics control system of claim 4, wherein said pressure calculation module stores a standard rate of change threshold K, said standard rate of change threshold K comprising: a first rate of change threshold K1, a second rate of change threshold K2, and a third rate of change threshold K3, wherein K1< K2< K3;
when the gas pressure change rate c of the gas generator is smaller than or equal to a first change rate threshold value K1, the gas generator change rate is determined as an equal-grade change rate;
when the gas pressure change rate c of the gas generator is greater than a first change rate threshold K1 and the gas pressure change rate c is less than or equal to K2, the gas generator change rate is determined as the second-class change rate;
when the gas pressure change rate c of the gas generator is greater than a second change rate threshold K2 and the gas pressure change rate c is less than or equal to K3, the gas generator change rate is determined as a third-equal change rate;
when the gas pressure change rate c of the gas generator is larger than a third change rate threshold value K3, the gas generator change rate is determined as a fourth equal change rate.
6. The gas generator set load dynamics control system of claim 1, wherein said pressure calculation module further stores a standard pressure threshold comprising: a first pressure signal threshold P1 and a second pressure signal threshold P2, and P1< P2.
7. The load dynamics control system of a gas generator set according to claim 6, wherein the gas pressure electrical signal d in the gas tank includes a first-level pressure electrical signal, a second-level pressure electrical signal and a third-level pressure electrical signal; the pressure calculation module assigns the equal-pressure electric signal d to 3, the pressure calculation module assigns the equal-pressure electric signal d to 2, and the pressure calculation module assigns the equal-pressure electric signal three to 1;
when the gas pressure electric signal d is smaller than or equal to a first pressure signal threshold value P1, the gas pressure electric signal in the gas storage tank is determined as an equal-pressure electric signal;
when the gas pressure electric signal d is greater than a first pressure signal threshold value P1 and is less than or equal to a second pressure signal threshold value P2, the gas pressure electric signal in the gas storage tank is determined to be an equi-pressure electric signal;
when the gas pressure electric signal d is larger than a second pressure signal threshold value P2, the gas pressure electric signal in the gas storage tank is identified as a third equal pressure electric signal.
8. The load dynamic control system of the gas generator set according to claim 5 or 7, wherein the pressure calculation module assigns the pressure electrical signal of the gas generator to d-4 when the device type parameter b is 2, and the gas pressure electrical signal in the gas tank is determined as any one of a first-level pressure electrical signal, a second-level pressure electrical signal or a third-level pressure electrical signal when the device type parameter b is 1.
9. The system of claim 8, wherein the gas supply priority S of the gas generator is b + c + d + e, where b is a device type parameter of the gas generator, c is a gas pressure change rate, d is an electrical gas pressure signal in the gas storage tank, and e is an additional parameter; wherein the content of the first and second substances,
when c-d is 1, e is 1;
when c-d > 1, e ═ 1;
when c-d is 0, e is 2;
when c-d is-1, e is 1;
when c-d < -1, e ═ 0.
10. The gas generator set load dynamic control system of claim 9, wherein the gas supply priority S comprises a first priority S1, a second priority S2, a third priority S3 and a fourth priority S4 in order from front to back;
when the value of the air supply priority S is more than 8, the air supply priority of the gas generator is a first priority S1;
when the value of the gas supply priority S is more than 5 and less than or equal to 8, the gas supply priority of the gas generator is a second priority S2;
when the value of the gas supply priority S is more than 3 and less than or equal to 5, the gas supply priority of the gas generator is a third priority S3;
when the value of the gas supply priority S is less than or equal to 3, the gas supply priority of the gas generator is a first priority S4; when at least two gas generators are in the same priority, the gas supply sequence of the gas generators is related to the size of the priority value S of the gas generators, and the priority level is higher when the value of S is larger;
when the priority values S of at least two gas generators are the same, the priority level of the gas generator is determined by the gas pressure electric signal d in the gas storage tank, and the higher the parameter d is, the higher the priority level is.
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