CN109751422B - Control method of power system - Google Patents
Control method of power system Download PDFInfo
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- CN109751422B CN109751422B CN201711084395.8A CN201711084395A CN109751422B CN 109751422 B CN109751422 B CN 109751422B CN 201711084395 A CN201711084395 A CN 201711084395A CN 109751422 B CN109751422 B CN 109751422B
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- throttle valve
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 abstract description 19
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 239000007789 gas Substances 0.000 description 92
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention provides a power system and a control method thereof, wherein the power system comprises: the control end of the gas supply device is electrically connected with the first control end of the controller, and the control end of the battery pile is electrically connected with the second control end of the controller. The throttle valve comprises a throttle body, a motor and a valve plate, wherein the valve plate is arranged in a gas channel of the throttle body, a first port and a second port of the throttle body are both communicated with the gas channel, a control end of the motor is electrically connected with the controller, and a rotating shaft of the motor is in transmission connection with the valve plate. The gas output end of the gas supply device is communicated with the gas inlet end of the battery pile, and the gas outlet end of the battery pile is communicated with the first port of the throttle valve body. The controller drives the valve plate to rotate through the driving motor, controls the gas flow discharged after the gas supply device burns to the cell stack, and effectively improves the combustion conversion efficiency of fuel by controlling the gas back pressure.
Description
Technical Field
The invention relates to the field of dynamics, in particular to a power system and a control method thereof.
Background
With the continuous increase of national economy, the living standard of people is improved, and the use of automobiles is increasingly common. According to the global energy and power demands, more users use new energy automobiles with relatively less environmental pollution. Most of power systems of new energy automobiles are fuel cells, and in the use process of the fuel cells, the delivery flow of gas is fixed and not adjustable when the fuel of the fuel cells is in a combustion function, so that the combustion conversion efficiency of the fuel is low, and the service life of the fuel cells is shortened. It can be seen that the existing power system has the technical problem of low fuel combustion conversion efficiency.
Disclosure of Invention
The embodiment of the invention aims to provide a power system and a control method thereof, which solve the technical problem of low fuel combustion conversion efficiency of the existing power system.
In order to achieve the above purpose, the specific scheme provided by the invention is as follows:
in a first aspect, an embodiment of the present invention provides a power system, including a controller, a gas supply device, a throttle valve, and a battery stack, where a control end of the gas supply device is electrically connected to a first control end of the controller, and a control end of the battery stack is electrically connected to a second control end of the controller;
the throttle valve comprises a throttle body, a motor and a valve plate, wherein the valve plate is arranged in a gas channel of the throttle body, a first port and a second port of the throttle body are both communicated with the gas channel, a control end of the motor is electrically connected with a third control end of the controller, and a rotating shaft of the motor is in transmission connection with the valve plate;
the gas output end of the gas supply device is communicated with the gas inlet end of the battery pile, and the gas outlet end of the battery pile is communicated with the first port of the throttle valve body.
In a second aspect, an embodiment of the present invention provides a control method of a power system, including:
controlling a gas supply device to output gas to the gas inlet end of the battery pile;
controlling the battery pile to receive the gas output by the gas supply device for combustion energy supply and outputting the residual gas to a first port of the throttle valve;
and controlling a motor of the throttle valve to drive the valve plate to rotate to a target opening and closing state, so that the gas of the first port is conveyed to the second port through the valve plate and then discharged.
The beneficial effects are that: the power system and the control method thereof provided by the embodiment of the invention comprise a controller, a gas supply device, a throttle valve and a battery pile, wherein the throttle valve is communicated with the gas supply device and the battery pile. The throttle valve comprises a throttle body, a motor and a valve plate, the controller drives the valve plate to rotate through a driving motor, the gas supply device outputs the gas to the battery pile to burn and supply energy, then the gas flow of residual gas is discharged, and the technical problem of lower fuel combustion conversion efficiency of a power system can be solved by controlling gas back pressure to effectively improve the combustion conversion efficiency of fuel.
Drawings
FIG. 1 is a schematic diagram of a power system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a throttle valve of a power system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a throttle valve of a power system according to an embodiment of the present invention;
fig. 4 is a flowchart of a control method of a power system according to an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a power system according to an embodiment of the invention. As shown in fig. 1, a power system comprises a gas supply device 101, a throttle valve 102, a battery stack 103 and a controller 104, wherein the control end of the gas supply device 101, the control end of the throttle valve 102 and the control end of the battery stack 103 are electrically connected with the controller 104 of the power system. The controller 104 is provided with a plurality of control terminals, and each control terminal may correspond to one or more devices. The control end of the gas supply device 101 may be connected to a first control end of the controller 104, the control end of the cell stack 103 may be connected to a second control end of the controller 104, and the control end of the throttle valve 102 may be connected to a third control end of the controller 104. In other implementations, the controller 104 may be a control device formed by a plurality of sub-controllers, where each sub-controller corresponds to one control end of the controller in the foregoing embodiment, and each sub-controller may individually control a corresponding functional device, which is not limited herein.
The gas output end of the gas supply device 101 is communicated with one end of the throttle valve 102, the other end of the throttle valve 102 is communicated with the gas inlet end of the battery stack 103, and the valve controls the flow rate of the gas supplied by the gas supply device 101 to the battery stack 103.
The gas supply device 101 provides combustion gas for the battery stack 103 of the power system to realize the fuel combustion conversion function. The gas supply 101 supplies mainly hydrogen and oxygen, which are combusted in a combustion environment to provide energy. The gas output end of the gas supply device 101 is communicated with the gas inlet end of the cell stack 103, the gas outlet end of the cell stack 103 is communicated with the throttle valve 102, and the throttle valve 102 controls the flow rate of the gas output by the cell stack 103. The air outlet end of the cell stack 103 is communicated with the throttle valve 102, the air supply device is controlled to transmit the air flow discharged after the cell stack 103 is burnt and powered, a combustion environment is provided, and energy after combustion and conversion is obtained as power output.
As shown in fig. 2 to 3, the throttle valve may include a throttle body 1023, a motor 1021, and a valve plate 1022, where the throttle body 1023 is a basic structure of the throttle valve 102, a gas channel is disposed in the throttle body 1023, two ends of the throttle body 1023 are respectively provided with a first port and a second port, and the first port and the second port are both communicated with the gas channel in the throttle body 1023. The valve plate 1022 is disposed in the gas passage of the throttle body 1023, and controls the flow rate of the gas passage. The valve plate 1022 may be disposed in the gas channel along a direction perpendicular to the gas flowing direction, and an edge of the valve plate 1022 may be attached to an inner surface of the throttle body 1023, so that the valve plate 1022 is matched with the throttle body 1023, and the valve plate 1022 may control opening and closing of the gas channel in the throttle body 1023. The motor 1021 drives the throttle valve 102, the control end of the motor 1021 is connected with the controller, the rotating shaft of the motor 1021 is in transmission connection with the valve plate 1022, the controller drives the rotating shaft of the motor 1021 to rotate, and the rotating shaft of the motor 1021 drives the valve plate 1022 to rotate so as to control the opening state of the valve plate 1022, thereby realizing the function of controlling the gas flow in the throttle valve 102. Preferably, the motor 1021 may be a direct current brush motor 1021, and the valve plate 1022 may be a stainless steel structure, so as to prevent corrosion from affecting the use of the throttle valve. The throttle body 1023 can be of an aluminum structure, and has a good supporting effect, low cost and light weight.
The throttle valve 102 may further include a gear and a connecting rod, and the transmission connection manner between the rotation shaft of the motor 1021 and the valve plate 1022 may be: the rotating shaft of the motor 1021 is connected with the gear in a transmission way, the gear is connected with one end of the connecting rod in a linkage way, the other end of the connecting rod is connected to the valve plate 1022, and therefore the rotating shaft of the motor 1021 drives the gear to rotate, the gear drives the connecting rod to swing, and then the valve plate 1022 is driven to rotate, and the opening and closing degree is controlled. The valve plate 1022 can be precisely controlled to be opened or closed from 0 degrees to 100 degrees by the engagement of the gear and the rotating shaft of the motor 1021 and the transmission mode of the connecting rod, so that the control accuracy is improved.
In the power system provided by the embodiment of the invention, the gas output end of the gas supply device 101 is communicated with the gas inlet end of the battery stack 103, the gas outlet end of the battery stack 103 is communicated with the first port of the throttle body 1023, and the second port of the throttle body 1023 is communicated with the external environment or the atmosphere. The controller controls the rotation of the rotating shaft of the motor 1021, and further controls the opening and closing state of the valve plate 1022, so as to control the flow rate of the output gas of the cell stack 103, maintain the oxygen back pressure, and improve the fuel combustion conversion efficiency in the cell stack 103.
On the basis of the above embodiment, the throttle body 1023 may further include a full-path valve body 1027, and the valve plate 1022 is disposed in the full-path valve body 1027. The full-path valve 1027 may include a first port and a second port, the first port of the full-path valve 1027 being connected to the gas output end of the gas supply device 101, and the second port of the full-path valve being in communication with the gas inlet end of the cell stack 103. In one embodiment, the full-diameter valve 1027 may be a stainless steel structure with a specific taper, so that the gas flow can be effectively controlled, and the stainless steel can achieve a better anti-corrosion effect. The throttle valve body 1023 can be extruded through a pressure servo and other devices and then communicated with the full-diameter valve body 1027, so that the weight of the whole structure is light, and the whole weight of power equipment is not affected.
Based on the above embodiment, the full-diameter valve body 1027 may include an air inlet structure 1024, a circulation structure 1025 and an air outlet structure 1026, where the air inlet structure 1024 and the air outlet structure 1026 are respectively disposed at two ends of the circulation structure 1025, the air inlet structure 1024 is communicated with one end of the circulation structure 1025, and the other end of the circulation structure 1025 is communicated with the air outlet structure 1026.
The air inlet structure 1024 and the air outlet structure 1026 may be hollow circular truncated cone structures, and the air inlet structure 1024 is communicated with a first port of the housing of the flow structure 1025, and a second port of the housing of the flow structure 1025 is communicated with the air outlet structure 1026. The hollow frustoconical structure may include a major end and a minor end, the major end having a cross-section greater than the cross-section of the minor end. The large end of the gas inlet structure 1024 may be in communication with the gas supply 101 and the small end of the gas inlet structure 1024 may be in communication with the first port. The small end of the air outlet structure 1026 is communicated with the second port, and the large end of the air outlet structure 1026 is communicated with the battery stack 103, so that the cross sections of the two ends of the air throttle valve are larger, the cross section of the valve plate 1022 arranged in the middle is relatively smaller, the pressure of the two ends of the valve plate 1022 can be kept, and the flow rate and the flow direction of gas can be controlled conveniently.
The flow-through structure 1025 may include a central shaft and a housing, the central shaft passing through the housing, the valve plates 1022 are all disposed in the housing, and the valve plates 1022 are sleeved on the central shaft. The central shaft in the circulation structure 1025 can be in transmission connection with the rotating shaft of the motor 1021, the valve plate 1022 is sleeved on the central shaft, the opening and closing degree of the valve plate 1022 is controlled, and then gas circulation is controlled.
On the basis of the embodiment, a sealing structure can be further arranged for achieving a better anti-corrosion effect. The sealing structure can be arranged at the joint position of the first port of the shell and the central shaft, and the sealing structure is arranged at the joint position of the second port of the shell and the central shaft, so that corrosive gas or liquid at two ends of the circulating structure 1025 is effectively isolated outside the sealing structure. Preferably, considering that the first port is an air inlet end, the second port is an air outlet end, the first port inputs more air, a double-layer sealing structure is arranged at the joint position of the first port and the central shaft, a single-layer sealing structure is arranged at the joint position of the second port of the shell and the central shaft, a better sealing and anti-corrosion effect is achieved, and processing materials are saved.
On the basis of the above embodiment, an air-permeable groove may be further provided on the housing of the flow-through structure 1025, and preferably the air-permeable groove is provided between the double-layer sealing structure and the single-layer sealing structure of the housing. If the gas enters the control cavity of the circulation structure 1025 through the gap between the middle shaft and the first port fitting position, the gas entering the control cavity may be discharged to the external environment through the ventilation grooves, the number of the ventilation grooves may be one or more, and the control cavity is set according to the specific size of the throttle valve 102, without limitation. The ventilation groove is communicated with the control cavity of the ventilation structure 1025 and the external air, and is used for adjusting the pressure of the controller in the throttle valve body 1023, adjusting the flow rate and the back pressure of the air, and meeting the oxygen pressure and the flow rate requirements of the fuel cell stack 103.
Based on the above embodiment, in order to make the throttle valve 102 better adapt to the power requirement of the power system, the throttle valve 102 further includes a full-diameter valve body 1027 with a specific taper. The specific taper of the full-bore valve 1027 may range from 0 degrees to 45 degrees. The full-bore valve 1027 may have a passthrough range of 20 millimeters to 70 millimeters to match the power range of the power system of 0 kilowatts to 200 kilowatts.
On the basis of the embodiment, when the power system is applied, an electrical interface of power equipment applying the power system is connected with a controller of the power system through a connector port. A sub-controller can also be arranged in the throttle valve, an electrical interface is connected with the sub-controller of the throttle valve 102 through a control line, an operation instruction is transmitted through a connector port, and the operation instruction is transmitted to the sub-controller of the throttle valve 102, and further encryption programming, information processing and transmission are performed.
In the power system in the power-off state, the valve plate 1022 is set to the fully closed state to prevent gas from entering the cell stack 103. Isolating the outside air source, preventing the hydrogen-air interface and protecting the power system from being damaged. In the running state, the throttle valve 102 receives a control signal of the controller to control the direct current motor 1021, and the valve plate 1022 is driven to rotate through the gear and the connecting rod. The sub-controller of the throttle valve receives a control signal of a controller of the power system and sends a driving instruction to the motor 1021 to drive the motor 1021 to rotate.
Based on the above embodiment, the structure of the valve plate 1022 may be a specific angle of inclination of the valve plate 1022, and the tail end of the valve plate 1022 is lifted by a specific angle along a direction perpendicular to the setting plane, where the specific angle may have a value ranging from 0 degrees to 10 degrees. Liquid water accumulated on the valve plate 1022 is reduced, so that the valve plate is controlled to be started by a power system under a low-temperature environment, and a normal power system is provided.
According to the power system provided by the embodiment of the invention, the controller drives the valve plate to rotate by the motor through the driving motor, and controls the gas flow output by the gas supply device into the battery pile for combustion energy supply. By utilizing the principle characteristics of energy conservation and the constant pressure control principle, the contact area is reduced, and the pressure requirement of a power system is increased. When the power system is stopped, the valve plate is controlled to be in a fully closed state, so that air in the power system can be effectively isolated, and a hydrogen-air interface is prevented. By controlling the gas back pressure, the combustion conversion efficiency of the fuel is effectively improved, and the technical problem of lower fuel combustion conversion efficiency of the power system can be solved.
Referring to fig. 2 and 3, a schematic structural diagram of a power system according to another embodiment of the present invention is provided. The power system provided by the embodiment of the invention is different from the power system provided by the above embodiment in that: a detecting device 1028 for detecting the opening and closing state of the valve plate 1022 is additionally arranged. As shown in fig. 2 and 3, a power system includes a controller (not shown), a gas supply device (not shown), a throttle valve 102, and a battery stack (not shown), the throttle valve 102 including a valve plate 1022, a motor 1021, a throttle body 1023, and a detecting device 1028. The control end of the gas supply device, the control end of the battery stack, the control end of the motor 1021 and the detection device 1028 are all electrically connected with the signal receiving end of the controller, and are controlled by the controller. The valve plate 1022 and the detecting device 1028 are both arranged in the throttle body 1023, the valve plate 1022 is in transmission connection with a rotating shaft of the motor 1021, and the detecting device 1028 is arranged at a position where the valve plate 1022 is arranged and is used for detecting an opening and closing state of the valve plate 1022 and sending the detected opening and closing state of the valve plate 1022 to the controller for control processing.
The detecting device 1028 may detect the opening/closing state of the valve plate 1022 in various manners, such as common magnetic induction, infrared induction, etc. A magnet may be disposed on the valve plate 1022, the detecting device 1028 is a magnetic induction element, and the detecting device 1028 senses a position of the magnet on the valve plate 1022, so as to determine a current position of the valve plate 1022, and use the current position as an open-close state of the valve plate 1022. The detecting device 1028 may be an infrared sensing device, and the current position of the valve plate 1022 may be determined as the opening/closing state of the valve plate 1022 by sensing the reflection of the infrared rays of the detecting device 1028 by the valve plate 1022. Other implementation manners of the detecting device 1028 capable of implementing the opening and closing position of the valve plate 1022 are applicable to the present embodiment, and are not limited herein.
When the controller needs to adjust the valve plate 1022, the current opening and closing state of the valve plate 1022 detected by the detecting device 1028 can be obtained, then the distance that the valve plate 1022 needs to move is calculated according to the target opening and closing state which needs to be adjusted, and the motor 1021 is driven to adjust the valve plate 1022 to rotate so as to achieve the target opening and closing state. The target opening and closing state may be a standard opening and closing state input in advance, or may be an opening and closing state matched with the current power of the power system, which is not limited herein.
According to the power system provided by the embodiment of the invention, the controller drives the valve plate to rotate according to the current opening and closing state of the valve plate detected by the detection device at the position of the valve plate and the target opening and closing state required to be matched for achieving the current power of the power system, so that the current opening and closing state is achieved, the flow of the output gas of the battery stack is controlled, the required power is provided by fuel combustion, and the fuel combustion efficiency of the power system is further improved. The specific implementation process of the power system provided by the embodiment of the present invention may refer to the specific implementation process of the power system provided by the foregoing embodiment, and will not be described in detail herein.
Referring to fig. 4, as shown in fig. 4, a flow chart of a control method of a power system according to an embodiment of the present invention is applied to the power system provided by the foregoing embodiment. As shown in fig. 4, a control method of a power system includes:
step 401, controlling a gas supply device to output gas to the gas inlet end of the cell stack;
step 402, controlling the battery pile to receive the gas output by the gas supply device for combustion energy supply and output the gas to a first port of a throttle valve.
The gas supply device provides combustion gas for a battery pile of the power system so as to realize a fuel combustion conversion function. The gas supply device mainly supplies hydrogen and oxygen, and the hydrogen and the oxygen are combusted in a combustion environment to provide energy. The gas output end of the gas supply device is communicated with the gas inlet end of the cell pile, the gas outlet end of the cell pile is communicated with the throttle valve, and the throttle valve controls the flow of the output gas of the cell pile. And the air outlet end of the battery pile is communicated with the throttle valve, and the air supply device is controlled to transmit the air to the battery pile for combustion and then discharge the air. The control end of the gas supply device is connected with the controller, and the controller controls the gas supply device to output gas to the battery pile. The throttle valve may include a first port and a second port, with an isolation valve plate disposed between the first port and the second port. The air outlet end of the battery pile is communicated with the first port of the throttle valve, and the second end of the throttle valve is communicated with the atmosphere to control the flow of the gas discharged by the battery pile.
Step 403, controlling a motor of the throttle valve to drive the valve plate to rotate to a target opening and closing state, so that the gas of the first port is conveyed to the second port through the valve plate and then discharged.
The first port of the throttle valve is communicated with the air outlet end of the battery pile, and the second port of the throttle valve is communicated with the atmosphere. An isolation valve plate is arranged between the first port and the second port of the throttle valve, a motor rotating shaft of the throttle valve is connected with the valve plate, and the valve plate is driven to rotate by a motor. The controller controls the motor of the throttle valve to drive the valve plate to rotate to a target opening and closing state, so that the gas of the first port is conveyed to the second port of the throttle valve through the valve plate and then is discharged.
And controlling the gas output device to output gas to the battery pile for combustion energy supply according to the steps, and outputting the gas with adjustable flow through the valve plate of the throttle valve.
On the basis of the above embodiment, the power system may further include a detection device, where the detection device may be disposed in a channel of the throttle body of the throttle valve, and the detection device is connected with the controller and configured to detect an open-close state of the valve sheet, and send the detected open-close state of the valve sheet to the controller. The implementation manner of the step of controlling the motor of the throttle valve to drive the valve plate to rotate to the target opening and closing state may be as follows:
the controller obtains the current opening and closing state of the valve plate collected by the detection device, and controls the motor to drive the valve plate to rotate to the target opening and closing state according to the current opening and closing state of the valve plate.
According to the power system provided by the embodiment of the invention, the target opening and closing state of the valve plate to be realized is determined according to the power of the power system, the current opening and closing state of the valve plate before adjustment acquired by the detection device is acquired, the valve plate is accurately controlled to be opened to the target opening and closing state, and the control accuracy is further improved. The specific implementation process of the control method of the power system provided by the embodiment of the present invention may refer to the specific implementation process of the power system provided by the foregoing embodiment, and will not be described herein in detail.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (5)
1. A control method of a power system is characterized by being applied to the power system,
the power system comprises a controller, a gas supply device, a throttle valve and a battery pile, wherein the control end of the gas supply device is electrically connected with the first control end of the controller, and the control end of the battery pile is electrically connected with the second control end of the controller;
the throttle valve comprises a throttle valve body, a motor and a valve plate, wherein the valve plate is arranged in a gas channel of the throttle valve body, a first port and a second port of the throttle valve body are both communicated with the gas channel, the throttle valve body comprises a full-diameter valve body, the full-diameter valve body comprises an air inlet structure, a circulating structure and an air outlet structure, the circulating structure comprises a central shaft and a shell, the central shaft penetrates through the shell, the valve plate is arranged in the shell, and the valve plate is sleeved on the central shaft; the air inlet structure and the air outlet structure are hollow round platform structures, the air inlet structure is communicated with a first port of a shell of the circulation structure, a second port of the shell of the circulation structure is communicated with the air outlet structure, a double-layer sealing structure is arranged at the joint position of the first port of the shell and the central shaft, a single-layer sealing structure is arranged at the joint position of the second port of the shell and the central shaft, an air ventilation groove is further formed in the shell, and the air ventilation groove is arranged between the double-layer sealing structure and the single-layer sealing structure;
the control end of the motor is electrically connected with the third control end of the controller, and the rotating shaft of the motor is in transmission connection with the valve plate;
the method comprises the following steps:
controlling the gas supply device to output gas to the gas inlet end of the battery stack through the full-diameter valve body;
controlling the battery pile to receive the gas output by the gas supply device for combustion energy supply and outputting the residual gas to a first port of a throttle valve;
and controlling a motor of the throttle valve to drive the valve plate to rotate to a target opening and closing state, so that the gas of the first port is conveyed to the second port through the valve plate and then discharged.
2. The method of claim 1, wherein the throttle valve further comprises a detection device electrically connected to a signal receiving end of the controller.
3. The method of claim 1, wherein the full-bore valve body is a stainless steel structure having a specific taper.
4. A method according to claim 3, wherein the full-bore valve body has a bore in the range of 20 mm to 70 mm and the specific taper of the full-bore valve body has a value in the range of 0 degrees to 45 degrees.
5. The method of claim 1, wherein the power system further comprises a detection device disposed within a passage of a throttle body of the throttle valve, the detection device being coupled to the controller;
the step of controlling the motor of the throttle valve to drive the valve plate to rotate to a target opening and closing state comprises the following steps of:
acquiring the current opening and closing state of the valve plate acquired by the detection device;
and controlling the motor to drive the valve plate to rotate to the target opening and closing state according to the current opening and closing state of the valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711084395.8A CN109751422B (en) | 2017-11-07 | 2017-11-07 | Control method of power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711084395.8A CN109751422B (en) | 2017-11-07 | 2017-11-07 | Control method of power system |
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| Publication Number | Publication Date |
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| CN109751422A CN109751422A (en) | 2019-05-14 |
| CN109751422B true CN109751422B (en) | 2024-02-20 |
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| CN201711084395.8A Active CN109751422B (en) | 2017-11-07 | 2017-11-07 | Control method of power system |
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| CN101634249A (en) * | 2009-08-14 | 2010-01-27 | 重庆隆鑫机车有限公司 | Engine throttle |
| CN102128651A (en) * | 2009-12-11 | 2011-07-20 | 通用汽车环球科技运作有限责任公司 | Injector flow measurement for fuel cell applications |
| WO2017038325A1 (en) * | 2015-09-02 | 2017-03-09 | 日立オートモティブシステムズ株式会社 | Throttle valve control device |
| CN207486074U (en) * | 2017-11-07 | 2018-06-12 | 北京慨尔康科技发展有限公司 | A kind of dynamical system |
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| JP4163230B2 (en) * | 2004-05-31 | 2008-10-08 | 愛三工業株式会社 | Throttle body manufacturing method and throttle body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634249A (en) * | 2009-08-14 | 2010-01-27 | 重庆隆鑫机车有限公司 | Engine throttle |
| CN102128651A (en) * | 2009-12-11 | 2011-07-20 | 通用汽车环球科技运作有限责任公司 | Injector flow measurement for fuel cell applications |
| WO2017038325A1 (en) * | 2015-09-02 | 2017-03-09 | 日立オートモティブシステムズ株式会社 | Throttle valve control device |
| CN207486074U (en) * | 2017-11-07 | 2018-06-12 | 北京慨尔康科技发展有限公司 | A kind of dynamical system |
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