CN104698894A - Constant-air-volume output control method and constant-air-volume output control system for kitchen ventilator - Google Patents
Constant-air-volume output control method and constant-air-volume output control system for kitchen ventilator Download PDFInfo
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- CN104698894A CN104698894A CN201510115082.9A CN201510115082A CN104698894A CN 104698894 A CN104698894 A CN 104698894A CN 201510115082 A CN201510115082 A CN 201510115082A CN 104698894 A CN104698894 A CN 104698894A
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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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Ventilation (AREA)
Abstract
The invention belongs to the technical field of kitchen ventilators, and provides a constant-air-volume output control method and a constant-air-volume output control system for a kitchen ventilator. The constant-air-volume output control method comprises the following steps of generating a corresponding air volume control command when receiving a user control command in a working process of the kitchen ventilator; detecting running diameters of a motor; judging whether the current exhaust air rate of the kitchen ventilator conforms to the air volume control command or not according to the running diameters and a constant-air-volume algorithm model; controlling the motor to run if the current exhaust air rate of the kitchen ventilator conforms to the air volume control command; generating a running parameter command of the motor if the current exhaust air rate of the kitchen ventilator does not conform to the air volume control command; controlling the motor in the kitchen ventilator to run according to the running parameter command of the motor; and detecting the running parameters of the motor. After the running parameters of the motor are adjusted circularly and repeatedly, the exhaust air rate of the kitchen ventilator is close to the air volume set by a user and tends to be constant, and a lampblack discharging effect is improved while sufficient exhaust air rate is guaranteed.
Description
Technical field
The invention belongs to smoke exhaust ventilator control technology field, particularly relate to a kind of permanent wind amount output control method and system of smoke exhaust ventilator.
Background technology
The effect of smoke exhaust ventilator is that indoor oil smoke is disposed to outdoor or flue, along with the development in city, the Flue duct design of community the commercial house is different from common private residence, community the commercial house can cause the air quantity in flue to change because of the difference of floor and common flue, iff adopting the control mode of constant rotational speed or steady current to control smoke exhaust ventilator, then cannot meet enough air quantity demands.Such as common flue, when the frequency that smoke exhaust ventilator is opened by low floor resident family is too high, the static pressure of the common flue position of high-storey resident family can be caused to increase, if adopt the control mode of constant rotational speed that the exhaust air rate of smoke exhaust ventilator will be caused not enough, and then cause the oil smoke discharge deleterious of smoke exhaust ventilator.Therefore, the existence of existing smoke exhaust ventilator control mode can cause the exhaust air rate deficiency of smoke exhaust ventilator and the problem of oil smoke discharge weak effect.
Summary of the invention
The object of the present invention is to provide a kind of permanent wind amount output control method of smoke exhaust ventilator, be intended to solve existing smoke exhaust ventilator control mode and can cause the exhaust air rate deficiency of smoke exhaust ventilator and the problem of oil smoke discharge weak effect.
The present invention is achieved in that a kind of permanent wind amount output control method of smoke exhaust ventilator, and it comprises the following steps:
A., in the course of work of smoke exhaust ventilator, the motor rotation in described smoke exhaust ventilator is controlled;
B., when receiving user's steering order, corresponding Boiler pressure control order is generated according to described user's steering order;
C. the operational factor of described motor is detected;
D. judge whether the current exhaust air rate of described smoke exhaust ventilator is consistent with described Boiler pressure control order, is then return execution steps A according to described operational factor and permanent wind quantity algorithm model, no, then perform step e;
E. motor operating parameter instruction is generated;
F. control described motor rotation according to described motor operating parameter instruction, and return step C.
Present invention also offers a kind of permanent wind amount output control system of smoke exhaust ventilator, it comprises control panel and electric machine controller;
In the course of work of smoke exhaust ventilator, the motor rotation in smoke exhaust ventilator described in described motor controller controls;
Described control panel, when receiving user's steering order, generates corresponding Boiler pressure control order according to described user's steering order, and the operational factor of described electric machine controller to described motor detects and feed back to described control panel;
According to described operational factor and permanent wind quantity algorithm model, described control panel judges whether the current exhaust air rate of described smoke exhaust ventilator is consistent with described Boiler pressure control order, if, then described electric machine controller continues to control described motor rotation, if not, then described control panel generates motor operating parameter instruction and exports described electric machine controller to, described electric machine controller controls described motor rotation according to described motor operating parameter instruction, and continues to detect the operational factor of described motor.
The present invention by controlling its motor rotation in the course of work of smoke exhaust ventilator, when receiving user's steering order, corresponding Boiler pressure control order is generated according to this user's steering order, then the operational factor of motor is detected, and judge whether the current exhaust air rate of smoke exhaust ventilator is consistent with Boiler pressure control order according to this operational factor and permanent wind quantity algorithm model, if, then continue to control motor rotation, if not, then generate motor operating parameter instruction, the motor rotation in smoke exhaust ventilator is controlled subsequently according to this motor operating parameter instruction, and return continue the operational factor of motor is detected, repeatedly the operational factor of motor is adjusted by so circulating, driven by motor wind wheel can be made to rotate the exhaust air rate produced progressively to be close to the users set air quantity be tending towards constant, thus enable smoke exhaust ventilator produce enough exhaust air rates, and promote oil smoke discharge effect, solve existing smoke exhaust ventilator control mode and can cause the exhaust air rate deficiency of smoke exhaust ventilator and the problem of oil smoke discharge weak effect.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the permanent wind amount output control method of the smoke exhaust ventilator that the embodiment of the present invention provides;
Fig. 2 is the structural drawing of the permanent wind amount output control system of the smoke exhaust ventilator that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the realization flow of the permanent wind amount output control method of the smoke exhaust ventilator that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention, details are as follows:
In step sl, in the course of work of smoke exhaust ventilator, control the motor rotation in smoke exhaust ventilator.
In step s 2, when receiving user's steering order, generate corresponding Boiler pressure control order according to this user's steering order.
Wherein, user's steering order is the instruction that user performs corresponding to air quantity setting operation; Boiler pressure control order is the order that comprises air quantity data corresponding with user's steering order.In addition, when not receiving user's steering order, then continue to perform step S1.
In step s3, the operational factor of motor is detected.
Wherein, operational factor comprises the torque and rotational speed of motor.
In step s 4 which, judge whether the current exhaust air rate of smoke exhaust ventilator is consistent with Boiler pressure control order, is according to operational factor and permanent wind quantity algorithm model, then return and perform step S1, no, then perform step S5.
In step s 5, motor operating parameter instruction is generated.
In step s 6, control motor rotation according to motor operating parameter instruction, and return step S3.
For above-mentioned step S4 and step S5, embodiments provide following two kinds of implementations:
(1) step S4 comprises the following steps:
According to the torque and rotational speed in operational factor, calculate the current exhaust air rate of smoke exhaust ventilator according to following permanent wind quantity algorithm model:
Wherein, Q is the exhaust air rate of smoke exhaust ventilator, n and T is respectively rotating speed in operational factor and torque, m=0,1,2,3 ..., j, k=0,1,2 ..., i, and i and j is positive integer, C
kmthe constant corresponding when m and k gets different value respectively.
Then judge that whether the current exhaust air rate of smoke exhaust ventilator is equal with the air quantity data that Boiler pressure control order comprises, be, then return and perform step S1, no, then perform step S5.
Step S5 is specially:
According to the difference between the air quantity data that current exhaust air rate and the Boiler pressure control order of smoke exhaust ventilator comprise, proportionally regulative mode or proportional integral regulative mode generate direct torque instruction or rotating speed steering order as motor operating parameter instruction.
Wherein, proportion adjustment mode and proportional integral regulative mode be respectively then Motor Control Field the P that commonly uses regulate and PI adjustment, it is for realizing reliable and stable speed regulating control to motor.Direct torque instruction refers to the steering order comprising torque parameter, and rotating speed steering order refers to the steering order comprising rotary speed parameter.
(2) step S4 comprises the following steps:
According to the rotating speed in operational factor, calculate the torque corresponding to Boiler pressure control order according to following permanent wind quantity algorithm model:
T＝A
k×n+B
k
Wherein, the torque of T corresponding to Boiler pressure control order, n is the rotating speed in operational factor, A
kand B
kbe the constant corresponding with Boiler pressure control order preset, k is positive integer and is not less than 1.
Then judge that whether the torque in operational factor is equal with the torque corresponding to Boiler pressure control order, be, then return and perform step S1, no, then perform step S5.
For above-mentioned permanent wind quantity algorithm model T=A
k× n+B
k, the A that different Boiler pressure control orders is corresponding different
kand B
k, such as: smoke exhaust ventilator allows user to carry out level Four setting to air quantity, and Boiler pressure control instruction is respectively Q1, Q2, Q3 and Q4, as the corresponding Q1 of user's steering order, T=A
1× n+B
1; As the corresponding Q2 of user's steering order, T=A
2× n+B
2; As the corresponding Q3 of user's steering order, T=A
3× n+B
3; As the corresponding Q4 of user's steering order, T=A
4× n+B
4; Therefore, under different Boiler pressure control instructions, smoke exhaust ventilator is realized, and condition that permanent wind amount exports is exactly that the torque of motor equals to carry out calculating obtained torque according to above-mentioned permanent wind quantity algorithm model, carry out calculating obtained torque according to above-mentioned permanent wind quantity algorithm model if the torque in the operational factor detected by step S3 is not equal to, then show that the current exhaust air rate of smoke exhaust ventilator is different from the air quantity data corresponding to Boiler pressure control instruction, need that permanent wind amount is realized to the exhaust air rate adjustment of smoke exhaust ventilator and export.For A
kand B
kit can be store in advance according to the mode corresponding with Boiler pressure control order with database mode, and directly carry out tabling look-up calling from database when carrying out computing according to above-mentioned permanent wind quantity algorithm model, or calculate according to the account form corresponding with Boiler pressure control order.
Step S5 is specially:
Torque corresponding to Boiler pressure control order and the difference between the torque in operational factor, proportionally regulative mode or proportional integral regulative mode generate direct torque instruction as motor operating parameter instruction.
Wherein, proportion adjustment mode and proportional integral regulative mode be respectively then Motor Control Field the P that commonly uses regulate and PI adjustment, it is for realizing reliable and stable speed regulating control to motor.Direct torque instruction refers to the steering order comprising torque parameter.
The embodiment of the present invention by controlling its motor rotation in the course of work of smoke exhaust ventilator, when receiving user's steering order, corresponding Boiler pressure control order is generated according to this user's steering order, then the operational factor of motor is detected, and judge whether the current exhaust air rate of smoke exhaust ventilator is consistent with Boiler pressure control order according to this operational factor and permanent wind quantity algorithm model, if, then continue to control motor rotation, if not, then generate motor operating parameter instruction, the motor rotation in smoke exhaust ventilator is controlled subsequently according to this motor operating parameter instruction, and return continue the operational factor of motor is detected, repeatedly the operational factor of motor is adjusted by so circulating, driven by motor wind wheel can be made to rotate the exhaust air rate produced progressively to be close to the users set air quantity be tending towards constant, thus enable smoke exhaust ventilator produce enough exhaust air rates, and promote oil smoke discharge effect.
Fig. 2 shows the structure of the permanent wind amount output control system of the smoke exhaust ventilator that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention, details are as follows:
Permanent wind amount output control system comprises control panel 100 and electric machine controller 200.
In the course of work of smoke exhaust ventilator, the motor 300 that electric machine controller 200 controls in smoke exhaust ventilator operates.
Control panel 100, when receiving user's steering order, generates corresponding Boiler pressure control order according to this user's steering order, and the operational factor of electric machine controller 200 pairs of motors 300 detects and feeds back to control panel 100.In addition, when control panel 100 does not receive user's steering order, then control panel 100 does not generate any order, and the motor 300 continuing to be controlled in smoke exhaust ventilator by electric machine controller 200 operates.
According to operational factor and permanent wind quantity algorithm model, control panel 100 judges whether the current exhaust air rate of smoke exhaust ventilator is consistent with Boiler pressure control order, if, then electric machine controller 200 continuation control motor 300 operates, if not, then control panel 100 generates motor operating parameter instruction and exports electric machine controller 200 to, electric machine controller 200 controls motor 300 according to this motor operating parameter instruction and operates, and continues to detect the operational factor of motor 300.
Concrete, control panel 100 comprise that air quantity manually arranges in module, sound identification module and body sense identification module one or more, user manually arranges module, sound identification module or body sense identification module by air quantity and sends user's steering order to control panel 100.It can be specifically have air quantity gear to arrange the circuit module that button or air quantity gear arrange button that air quantity manually arranges module, and user just can send user's steering order to carry out air quantity setting to smoke exhaust ventilator by action button or button.Sound identification module can be specifically have microphone and can realize speech recognition and be converted to the circuit module of user's steering order, and user only need send and arrange corresponding voice command to air quantity sound identification module just can be made to send user's steering order to control panel 100.Body sense identification module can be specifically the circuit module possessing touch-screen or other body sense recognition units, and user only need send touch control operation to touch-screen or body sense identification module just can be made to send corresponding user's steering order to control panel 100 to body sense recognition unit issuing body sense operation.Control panel 100 is when receiving user's steering order, the process generating corresponding Boiler pressure control order according to this user's steering order is specially: this user's steering order, when receiving user's steering order, is converted to the Boiler pressure control instruction including air quantity data accordingly by control panel 100.More specifically, the corresponding air quantity data of each user's steering order, when user send user's steering order air quantity is set time, this user's steering order just can be converted to according to the program preset the Boiler pressure control instruction comprising corresponding air quantity data by control panel 100.
According to operational factor and permanent wind quantity algorithm model, control panel 100 judges whether the exhaust air rate of smoke exhaust ventilator is consistent with Boiler pressure control order, if, then electric machine controller 200 continuation control motor 300 operates, if not, then control panel 100 generates motor operating parameter instruction, electric machine controller 200 controls motor 300 according to this motor operating parameter instruction and operates, and continues specifically to be realized by following two kinds of modes the process that the operational factor of motor 300 detects:
(1) control panel 100 is according to the torque and rotational speed in operational factor, calculates the current exhaust air rate of smoke exhaust ventilator according to following permanent wind quantity algorithm model:
Wherein, Q is the exhaust air rate of smoke exhaust ventilator, n and T is respectively rotating speed in operational factor and torque, m=0,1,2,3 ..., j, k=0,1,2 ..., i, and i and j is positive integer, C
kmthe constant corresponding when m and k gets different value respectively.
Control panel 100 judges that whether the current exhaust air rate of smoke exhaust ventilator is equal with the air quantity data that Boiler pressure control order comprises, if, then electric machine controller 200 continuation control motor 300 operates, if not, then control panel 100 generates motor operating parameter instruction, electric machine controller 200 controls motor 300 according to this motor operating parameter instruction and operates, and continues to detect the operational factor of motor 300.
Further, above-mentioned control panel 100 is generated to the process of motor operating parameter instruction, it is specially:
Difference between the air quantity data that control panel 100 comprises according to the current exhaust air rate of smoke exhaust ventilator and Boiler pressure control order, proportionally regulative mode or proportional integral regulative mode generate direct torque instruction or rotating speed steering order as motor operating parameter instruction.
Wherein, proportion adjustment mode and proportional integral regulative mode be respectively then Motor Control Field the P that commonly uses regulate and PI adjustment, it is for realizing reliable and stable speed regulating control to motor.Direct torque instruction refers to the steering order comprising torque parameter, and rotating speed steering order refers to the steering order comprising rotary speed parameter.
(2) control panel 100 is according to the rotating speed in operational factor, calculates the torque corresponding to Boiler pressure control order according to following permanent wind quantity algorithm model:
T＝A
k×n+B
k
Wherein, the torque of T corresponding to Boiler pressure control order, n is the rotating speed in operational factor, A
kand B
kbe the constant corresponding with Boiler pressure control order preset, k is positive integer and is not less than 1.
Control panel 100 judges that whether the torque in operational factor is equal with the torque corresponding to Boiler pressure control order, if, then electric machine controller 200 continuation control motor 300 operates, if not, then control panel 100 generates motor operating parameter instruction, electric machine controller 200 controls motor 300 according to this motor operating parameter instruction and operates, and continues to detect the operational factor of motor 300.
For above-mentioned permanent wind quantity algorithm model T=A
k× n+B
k, the A that different Boiler pressure control orders is corresponding different
kand B
k, such as: smoke exhaust ventilator allows user to carry out level Four setting to air quantity, and Boiler pressure control instruction is respectively Q1, Q2, Q3 and Q4, as the corresponding Q1 of user's steering order, T=A
1× n+B
1; As the corresponding Q2 of user's steering order, T=A
2× n+B
2; As the corresponding Q3 of user's steering order, T=A
3× n+B
3; As the corresponding Q4 of user's steering order, T=A
4× n+B
4; Therefore, under different Boiler pressure control instructions, smoke exhaust ventilator is realized, and condition that permanent wind amount exports is exactly that the torque of motor equals to carry out calculating obtained torque according to above-mentioned permanent wind quantity algorithm model, carry out calculating obtained torque according to above-mentioned permanent wind quantity algorithm model if the torque in the operational factor detected by step S3 is not equal to, then show that the current exhaust air rate of smoke exhaust ventilator is different from the air quantity data corresponding to Boiler pressure control instruction, need that permanent wind amount is realized to the exhaust air rate adjustment of smoke exhaust ventilator and export.For A
kand B
kit can be store in advance according to the mode corresponding with Boiler pressure control order with database mode, and directly carry out tabling look-up calling from database when carrying out computing according to above-mentioned permanent wind quantity algorithm model, or calculate according to the account form corresponding with Boiler pressure control order.
Further, above-mentioned control panel 100 is generated to the process of motor operating parameter instruction, it is specially:
Difference between the torque of control panel 100 corresponding to the torque in operational factor and Boiler pressure control order, proportionally regulative mode or proportional integral regulative mode generate direct torque instruction as motor operating parameter instruction.
Wherein, proportion adjustment mode and proportional integral regulative mode be respectively then Motor Control Field the P that commonly uses regulate and PI adjustment, it is for realizing reliable and stable speed regulating control to motor.Direct torque instruction refers to the steering order comprising torque parameter.Direct torque instruction refers to the steering order comprising torque parameter.
In embodiments of the present invention, be configured with in control panel 100 microprocessor (as single-chip microcomputer, arm processor or other possess the Programmable Logic Controller of mathematical logic processing power), when control panel 100 receives user's steering order, just by microprocessor according to the program preset, this user's steering order can be converted to the Boiler pressure control order including corresponding air quantity data.In addition, program in microprocessor can also realize the operation of above-mentioned two kinds of modes, to generate torque or rotating speed that corresponding motor operating parameter order-driven electric machine controller 200 adjusts motor 300 when the exhaust air rate of smoke exhaust ventilator is unequal to the air quantity set by user, thus after the adjustment that repeatedly circulates, make progressively be close to the users set air quantity the final constant wind quantity that keeps of the exhaust air rate of smoke exhaust ventilator export, and then promote the oil smoke discharge effect of smoke exhaust ventilator.
In addition, detected operational factor is fed back to process that generated motor operating parameter instruction exports to electric machine controller 200 by the process of control panel 100 and control panel 100 realizes parameter transmission by serial communication mode, pulse-width signal mode, many I/O mouth signal transmission form or analog signal transmission mode by electric machine controller 200.
Wherein, serial communication mode can be realize based on RS232 or RS485 serial communication protocol.Pulse-width signal mode is then utilize the dutycycle of pulse-width signal or frequency to characterize rotating speed in operational factor and motor operating parameter instruction or torque, such as: the corresponding minimum speed of dutycycle 0% ~ 100% is to the scope of maximum (top) speed, or corresponding minimum torque is to the scope of torque capacity.Many I/O mouth signal transmission form is then adopt the combination of multiple I/O message number to characterize rotating speed in operational factor and motor operating parameter instruction or torque, the corresponding different rotating speed of different signal combination or torque, such as: three I/O message number is with 1/8 of the corresponding maximum (top) speed of the mode of binary coding 001 or torque capacity.Analog signal transmission mode is then utilize analog voltage signal or analog current signal to characterize rotating speed in operational factor and motor operating parameter instruction or torque, such as: the corresponding minimum speed of the DC voltage range of analog voltage signal 0 ~ 10V is to the scope of maximum (top) speed, or corresponding minimum torque is to the scope of torque capacity.
In actual applications, electric machine controller 200 can be internal or external at motor 300, and when being built in motor 300, then electric machine controller 200 and motor 300 form all-in-one.Motor 300 can be DC brushless motor, permagnetic synchronous motor or electric machine; When motor 300 be DC brushless motor or permagnetic synchronous motor time, electric machine controller 200 can adopt three phase full bridge mode to control torque or the rotating speed of motor 300; When motor 300 is electric machine, electric machine controller 200 can adopt two-phase full-bridge or two-phase half-bridge mode to control torque or the rotating speed of motor 300.
In sum, the embodiment of the present invention controls its motor rotation by electric machine controller 200 in the course of work of smoke exhaust ventilator, when receiving user's steering order, control panel 100 generates corresponding Boiler pressure control order according to this user's steering order, then the operational factor of electric machine controller 200 pairs of motors 300 detects and feeds back to control panel 100, according to this operational factor and permanent wind quantity algorithm model, control panel 100 judges whether the current exhaust air rate of smoke exhaust ventilator is consistent with Boiler pressure control order, if, then electric machine controller 200 continues to control motor rotation, if not, then control panel 100 generates motor operating parameter instruction and exports electric machine controller 200 to, electric machine controller 200 controls the motor rotation in smoke exhaust ventilator according to this motor operating parameter instruction subsequently, and continue to detect the operational factor of motor 300, repeatedly the operational factor of motor 300 is adjusted by so circulating, motor 300 can be made to drive the wind wheel in smoke exhaust ventilator to rotate the exhaust air rate produced progressively to be close to the users set air quantity be tending towards constant, thus enable smoke exhaust ventilator produce enough exhaust air rates, and promote oil smoke discharge effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a permanent wind amount output control method for smoke exhaust ventilator, is characterized in that, described permanent wind amount output control method comprises the following steps:
A., in the course of work of smoke exhaust ventilator, the motor rotation in described smoke exhaust ventilator is controlled;
B., when receiving user's steering order, corresponding Boiler pressure control order is generated according to described user's steering order;
C. the operational factor of described motor is detected;
D. judge whether the current exhaust air rate of described smoke exhaust ventilator is consistent with described Boiler pressure control order, is then return execution steps A according to described operational factor and permanent wind quantity algorithm model, no, then perform step e;
E. motor operating parameter instruction is generated;
F. control described motor rotation according to described motor operating parameter instruction, and return step C.
2. permanent wind amount output control method as claimed in claim 1, it is characterized in that, step D comprises the following steps:
According to the torque and rotational speed in described operational factor, calculate the current exhaust air rate of smoke exhaust ventilator according to following permanent wind quantity algorithm model:
Wherein, Q is the exhaust air rate of smoke exhaust ventilator, n and T is respectively rotating speed in described operational factor and torque, m=0,1,2,3 ..., j, k=0,1,2 ..., i, and i and j is positive integer, C
kmthe constant corresponding when m and k gets different value respectively;
Judging that whether the current exhaust air rate of smoke exhaust ventilator is equal with the air quantity data that described Boiler pressure control order comprises, is then return execution steps A, no, then perform step e.
3. permanent wind amount output control method as claimed in claim 2, it is characterized in that, step e is specially:
According to the difference between the air quantity data that current exhaust air rate and the described Boiler pressure control order of smoke exhaust ventilator comprise, proportionally regulative mode or proportional integral regulative mode generate direct torque instruction or rotating speed steering order as motor operating parameter instruction.
4. permanent wind amount output control method as claimed in claim 1, it is characterized in that, step D comprises the following steps:
According to the rotating speed in described operational factor, calculate the torque corresponding to described Boiler pressure control order according to following permanent wind quantity algorithm model:
T＝A
k×n+B
k
Wherein, the torque of T corresponding to described Boiler pressure control order, n is the rotating speed in described operational factor, A
kand B
kbe the constant corresponding with described Boiler pressure control order preset, k is positive integer and is not less than 1;
Judging that whether the torque in described operational factor is equal with the torque corresponding to described Boiler pressure control order, is then return execution steps A, no, then perform step e.
5. permanent wind amount output control method as claimed in claim 4, it is characterized in that, step e is specially:
Difference between torque corresponding to the torque in described operational factor and described Boiler pressure control order, proportionally regulative mode or proportional integral regulative mode generate direct torque instruction as motor operating parameter instruction.
6. a permanent wind amount output control system for smoke exhaust ventilator, is characterized in that, described permanent wind amount output control system comprises control panel and electric machine controller;
In the course of work of smoke exhaust ventilator, the motor rotation in smoke exhaust ventilator described in described motor controller controls;
Described control panel, when receiving user's steering order, generates corresponding Boiler pressure control order according to described user's steering order, and the operational factor of described electric machine controller to described motor detects and feed back to described control panel;
According to described operational factor and permanent wind quantity algorithm model, described control panel judges whether the current exhaust air rate of described smoke exhaust ventilator is consistent with described Boiler pressure control order, if, then described electric machine controller continues to control described motor rotation, if not, then described control panel generates motor operating parameter instruction and exports described electric machine controller to, described electric machine controller controls described motor rotation according to described motor operating parameter instruction, and continues to detect the operational factor of described motor.
7. permanent wind amount output control system as claimed in claim 6, it is characterized in that, according to described operational factor and permanent wind quantity algorithm model, described control panel judges whether the current exhaust air rate of described smoke exhaust ventilator is consistent with described Boiler pressure control order, if, then described electric machine controller continues to control described motor rotation, if not, then described control panel generates motor operating parameter instruction and exports described electric machine controller to, described electric machine controller controls described motor rotation according to described motor operating parameter instruction, and continue to be specially the process that the operational factor of described motor detects:
Described control panel, according to the torque and rotational speed in operational factor, calculates the current exhaust air rate of smoke exhaust ventilator according to following permanent wind quantity algorithm model:
Wherein, Q is the exhaust air rate of smoke exhaust ventilator, n and T is respectively rotating speed in described operational factor and torque, m=0,1,2,3 ..., j, k=0,1,2 ..., i, and i and j is positive integer, C
kmthe constant corresponding when m and k gets different value respectively;
Described control panel judges that whether the current exhaust air rate of smoke exhaust ventilator is equal with the air quantity data that described Boiler pressure control order comprises, if, then described electric machine controller continues to control described motor rotation, if not, then described control panel generates motor operating parameter instruction, described electric machine controller controls described motor rotation according to described motor operating parameter instruction, and continues to detect the operational factor of described motor.
8. permanent wind amount output control system as claimed in claim 7, is characterized in that, the process that described control panel generates motor operating parameter instruction is specially:
Difference between the air quantity data that described control panel comprises according to the current exhaust air rate of smoke exhaust ventilator and described Boiler pressure control order, proportionally regulative mode or proportional integral regulative mode generate direct torque instruction or rotating speed steering order as motor operating parameter instruction.
9. permanent wind amount output control system as claimed in claim 6, it is characterized in that, according to described operational factor and permanent wind quantity algorithm model, described control panel judges whether the current exhaust air rate of described smoke exhaust ventilator is consistent with described Boiler pressure control order, if, then described electric machine controller continues to control described motor rotation, if not, then described control panel generates motor operating parameter instruction and exports described electric machine controller to, described electric machine controller controls described motor rotation according to described motor operating parameter instruction, and continue to be specially the process that the operational factor of described motor detects:
Described control panel, according to the rotating speed in described operational factor, calculates the torque corresponding to described Boiler pressure control order according to following permanent wind quantity algorithm model:
T＝A
k×n+B
k
Wherein, the torque of T corresponding to described Boiler pressure control order, n is the rotating speed in described operational factor, A
kand B
kbe the constant corresponding with described Boiler pressure control order preset, k is positive integer and is not less than 1;
Described control panel judges that whether the torque in described operational factor is equal with the torque corresponding to described Boiler pressure control order, if, then described electric machine controller continues to control described motor rotation, if not, then described control panel generates motor operating parameter instruction, described electric machine controller controls described motor rotation according to described motor operating parameter instruction, and continues to detect the operational factor of described motor.
10. permanent wind amount output control system as claimed in claim 9, is characterized in that, the process that described control panel generates motor operating parameter instruction is specially:
Difference between the torque of described control panel corresponding to the torque in described operational factor and described Boiler pressure control order, proportionally regulative mode or proportional integral regulative mode generate direct torque instruction as motor operating parameter instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115082.9A CN104698894B (en) | 2015-03-16 | 2015-03-16 | The permanent wind amount output control method and system of a kind of smoke exhaust ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115082.9A CN104698894B (en) | 2015-03-16 | 2015-03-16 | The permanent wind amount output control method and system of a kind of smoke exhaust ventilator |
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| CN104698893A (en) * | 2015-03-16 | 2015-06-10 | 广东威灵电机制造有限公司 | Constant-air-volume output control method and constant-air-volume output control system for kitchen ventilator |
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| CN107529604A (en) * | 2017-08-08 | 2018-01-02 | 珠海格力电器股份有限公司 | Lampblack absorber and its control method |
| CN113757978A (en) * | 2020-05-29 | 2021-12-07 | 佛山市威灵洗涤电机制造有限公司 | Ventilation equipment and motor control method and system with constant air volume |
| WO2024088013A1 (en) * | 2022-10-27 | 2024-05-02 | 广东澄一科技有限公司 | Range hood |
| US12018854B2 (en) | 2020-05-29 | 2024-06-25 | Foshan Welling Washer Motor Manufacturing Co., Ltd. | Ventilation device, and constant air volume control method therefor |
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