CN102830354A - Motor gear identification method and device - Google Patents
Motor gear identification method and device Download PDFInfo
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- CN102830354A CN102830354A CN2012103180100A CN201210318010A CN102830354A CN 102830354 A CN102830354 A CN 102830354A CN 2012103180100 A CN2012103180100 A CN 2012103180100A CN 201210318010 A CN201210318010 A CN 201210318010A CN 102830354 A CN102830354 A CN 102830354A
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Abstract
The invention relates to a motor gear identification method, and particularly relates to a simple motor gear identification method and device based on a voltage mutual inductance technology. The motor gear identification method comprises the steps of: measuring a voltage induction pulse at any gear of a common zero winding multi-tap motor, then comparing with a standard pulse width according to the size of the voltage induction pulse width, determining the gear of the motor, and applying the gear to a common zero multi-gear speed multi-winding motor, for example, detection of an operating state of a three-gear speed fan coil of a central air conditioner. The operating state of the motor can be quickly and reliably identified. The gear identification is achieved by voltage induction pulse width size relationship of different gears of the motor winding; the motor gear identification method is easy to implement and high in accuracy; meanwhile, the motor gear identification device just requires a group of gear connection wires, so that the structure of the device is simplified; the cost is low; the construction difficulty in application is reduced; the social resource is saved, and generalization is convenient.
Description
Technical field
The present invention relates to a kind of motor gear recognition methods, particularly relate to a kind of recognition methods of simple motor gear and device based on voltage mutual inductance technology.Be applied to totally zero many grades of fast multiwinding machines, like the detection of the running status of central air conditioner third gear speed fan coil.
Background technology
Along with the continuous progress of society's science and technology, chemical industry, oil and electronics, auto industry have realized the robotization control of production run already, for development and national economy has been made indelible contribution.Yet for family and civilian cause, the long-range charging of water, electricity, gas, heat and kilowatt meter reading-out system are not also popularized, and some still is at the early-stage.Along with further developing of social reform opening, market economy; In order to realize the more commercialization of fecund industry; From fair, just angle; Also, present use central air conditioner is carried out the expenses standard and the system of heating and refrigeration and reforms for environmental protection and purpose of energy saving, arrived must row can not stage.Charging system and standard for relevant industries and field are reformed, and relevant technologies personnel have carried out deep practice and exploring.In any case but, to state recognition, control the prerequisite step that all is absolutely necessary for its energy consumption measurement with as the state-detection and the enforcement of rates ground such as central air conditioner fan coil and industrial many grades of speed motors.Industry Control realizes that the speed of motor detects the equipment that reaches with the computing machine communication and is mostly to adopt rotary encoder at present; Utilize the method for phase differential and pulse numeration; This method is inapplicable for the speed state identification of central air conditioner fan coil obviously, can't implement.
For Centralized Monitoring, computer management and information-based processing of realizing central air conditioner fan coil running status; This case applicant has proposed a kind of many grades of speed motor status identification means previously; Be used for the running status of many grades of speed motors is discerned, and make it to realize remote monitoring and and computing machine communication.Its technical scheme that adopts is through comparator circuit, and spacing output circuit is realized the identification output of many grades of speed motor states, and the reference voltage of comparator circuit is taken from the working standard power supply, and comparative voltage is taken from the power input of many grades of each grades of speed motor.But the weak point of its existence is: 1, circuit relative complex is an example with the three-speed motor, and the detection of each motor needs three the tunnel to detect, and collect the voltage signal of high, medium and low shelves, so the relative trouble of wiring board maintenance, and cost is higher; 2, use inconvenience, construction are complicated, and single motor will take nearly five collection lines, the construction material waste, and cost is higher; 3, single motor takies the more of hardware resource (the I/O mouth of CPU etc.), so the degree of integration of equipment is low, and it is few that individual equipment can detect number of motors.Detect if be applied to many grades of more speed motor running statuses, above weak point is more obvious.Therefore be necessary to design a kind of more advanced, easy to use, recognition methods of many gears motor operating state and device simple in structure.
Summary of the invention
The present invention is directed to the prior art deficiency, propose a kind of multi-speed motor gear recognition methods and device, range state identification that can many grades of speed motors of safe and reliable realization based on voltage mutual inductance technology.
The technical scheme that the present invention adopted:
A kind of motor gear recognition methods, for altogether zero many taps of winding motor, the voltage induced pulse of measuring its arbitrary gear according to the size of said voltage induced pulse width, compares with the full sized pules width then, confirms the gear of this motor,
Modified value with the inductive impulse width ± 0～N of arbitrary gear of civil power or blower fan is a standard, and top grade is designated as that K1, the middle-grade K2 of being designated as, civil power are designated as K3, low grade is designated as K4, K4＞K3＞K2＞K1 wherein, and said N is an arithmetic number;
Measure the inductive impulse width K of motor low-grade location, when K≤K3, judge that then motor moves with low-grade location; When K3＜K＜K4, then the decidable motor moves with middle gear; When K>=K4, then the decidable motor moves with high tap position.
A kind of motor gear recognition methods, for altogether zero many taps of winding motor, the voltage induced pulse of measuring its arbitrary gear according to the size of said voltage induced pulse width, compares with the full sized pules width then, confirms the gear of this motor,
Modified value with the inductive impulse width ± 0～N of arbitrary gear of civil power or blower fan is a standard, and top grade is designated as that K1, the middle-grade K2 of being designated as, civil power are designated as K3, low grade is designated as K4, K4＞K3＞K2＞K1 wherein, and said N is an arithmetic number;
Measure the inductive impulse width K of gear in the motor, when K≤K2, judge that then motor moves with low-grade location; When K2＜K＜K3, then the decidable motor moves with middle gear; When K>=K3, then the decidable motor moves with high tap position.
A kind of motor gear recognition methods, for altogether zero many taps of winding motor, the voltage induced pulse of measuring its arbitrary gear according to the size of said voltage induced pulse width, compares with the full sized pules width then, confirms the gear of this motor,
Modified value with the inductive impulse width ± 0～N of arbitrary gear of civil power or blower fan is a standard, and top grade is designated as that K1, the middle-grade K2 of being designated as, civil power are designated as K3, low grade is designated as K4, K4＞K3＞K2＞K1 wherein, and said N is an arithmetic number;
Measure the inductive impulse width K of motor high tap position, when K≤K1, judge that then motor moves with low-grade location; When K1＜K＜K2, then the decidable motor moves with middle gear; When K>=K2, then the decidable motor moves with high tap position.
A kind of motor gear recognition device of realizing motor gear recognition methods as previously mentioned; Contain the core CPU module; Said core CPU module comprises single-chip microcomputer and peripheral circuit, and said motor gear recognition methods embeds single-chip microcomputer as plug-in, contains induced voltage pulse collection module; Said induced voltage pulse collection module input connects the coil winding of any gear of motor; Said potential pulse acquisition module output terminal inserts the core CPU module, and the core CPU module is carried out motor gear identification according to the inductive impulse width, judges the current running status of motor.
Described motor gear recognition device; Induced voltage pulse collection module comprises voltage transformer (VT) and schmidt trigger circuit; Said voltage transformer (VT) primary coil connects the motor gear coil; The voltage transformer (VT) secondary output end connects schmidt trigger circuit, and said schmidt trigger circuit output connects single-chip microcomputer.
Described motor gear recognition device; Induced voltage pulse collection module comprises half-wave or full-wave rectifying circuit and photoelectrical coupler; Said half-wave or full-wave rectifying circuit input end connect motor gear coil power end; Rectification circuit output end connects photoelectrical coupler, and said photoelectrical coupler output connects single-chip microcomputer.
Described motor gear recognition device; Induced voltage pulse collection module comprises voltage transformer (VT) and voltage comparator; Said voltage transformer (VT) primary coil connects the motor gear coil, and the voltage transformer (VT) secondary output end connects voltage comparator, and said voltage comparator output connects single-chip microcomputer.
Described speed motor gear recognition device contains clock module, and said clock module connects the single-chip microcomputer in the core CPU module, calculates each gear working time through said clock module to the different gears that detect.
Described motor gear recognition device, said peripheral circuit comprises communication module and temperature collect module, said communication module is connected the single-chip microcomputer in the core CPU module with temperature collect module.
Useful good effect of the present invention:
1, motor gear recognition methods of the present invention can be carried out the identification of motor operating state rapidly, reliably.Propose the reference voltage inductive impulse width of a wide region, be easy to realize the gear identification of motor, accuracy is high.Simultaneously, utilize the voltage induced pulse width magnitude relationship of the different gears of motor windings to realize gear identification, only need adopt one group of gear line; Simplified the structure of device, with low cost, reduced the difficulty of construction when using; Practiced thrift social resources, helped promoting.
2, motor gear recognition device of the present invention is compared with respect to the traditional voltage pick-up unit, has reduced the AD module, has reduced cost, and the requirement to single-chip microcomputer simultaneously reduces, and has enlarged range of choice, reduces single-chip microcomputer and selects cost for use.The signals collecting of voltage induced pulse than general Acquisition Circuit have simply, safety, the characteristics that practicality is high.
3, motor gear recognition device of the present invention is reasonable in design, installs, uses simply, and applicability is strong.The voltage induced pulse acquisition circuit is simple and reliable, can realize the multiport collection, helps the integrated of equipment, improves its range of application, can realize that the running status of many grades of speed motors of greater number detects and relevant device control, has reduced application cost.
Four, description of drawings:
Fig. 1: one of motor gear recognition methods work-based logic figure of the present invention;
Fig. 2: two of motor gear recognition methods work-based logic figure of the present invention;
Fig. 3: three of motor gear recognition methods work-based logic figure of the present invention;
Fig. 4: motor gear recognition device circuit theory diagrams of the present invention;
Fig. 5: one of voltage induced pulse collection modular circuit schematic diagram (Schmidt);
Fig. 6: two (optocouplers) of voltage induced pulse collection modular circuit schematic diagram;
Fig. 7: three (mutual inductor+comparers) of voltage induced pulse collection modular circuit schematic diagram;
Fig. 8: motor gear recognition device of the present invention communication and temperature collect module.
Five, embodiment:
Embodiment one: referring to Fig. 1, motor gear recognition methods of the present invention is for altogether zero many taps of winding motor; Through measuring the voltage induced pulse of its arbitrary gear; According to the size of said voltage induced pulse width, compare then, confirm the gear of this motor with the full sized pules width:
Modified value with the inductive impulse width ± 0～N of arbitrary gear of civil power or blower fan is a standard, and top grade is designated as that K1, the middle-grade K2 of being designated as, civil power are designated as K3, low grade is designated as K4, K4＞K3＞K2＞K1 wherein, and said N is an arithmetic number;
Measure the inductive impulse width K of motor low-grade location, when K≤K3, judge that then motor moves with low-grade location; When K3＜K＜K4, then the decidable motor moves with middle gear; When K>=K4, then the decidable motor moves with high tap position.
Embodiment two: referring to Fig. 2, and the recognition methods of present embodiment motor gear, different with embodiment one is, through measuring the inductive impulse width of gear in the motor, compares with the full sized pules width, confirms the gear of motor:
Modified value with the inductive impulse width ± 0～N of arbitrary gear of civil power or blower fan is a standard, and top grade is designated as that K1, the middle-grade K2 of being designated as, civil power are designated as K3, low grade is designated as K4, K4＞K3＞K2＞K1 wherein, and said N is an arithmetic number;
Measure the inductive impulse width K of gear in the motor, when K≤K2, judge that then motor moves with low-grade location; When K2＜K＜K3, then the decidable motor moves with middle gear; When K>=K3, then the decidable motor moves with high tap position.
Embodiment three: referring to Fig. 3, and the recognition methods of present embodiment motor gear, different with embodiment one is, through measuring the inductive impulse width of gear in the motor, compares with the full sized pules width, confirms the gear of motor:
Modified value with the inductive impulse width ± 0～N of arbitrary gear of civil power or blower fan is a standard, and top grade is designated as that K1, the middle-grade K2 of being designated as, civil power are designated as K3, low grade is designated as K4, K4＞K3＞K2＞K1 wherein, and said N is an arithmetic number;
Measure the inductive impulse width K of motor high tap position, when K≤K1, judge that then motor moves with low-grade location; When K1＜K＜K2, then the decidable motor moves with middle gear; When K>=K2, then the decidable motor moves with high tap position.
Embodiment four: referring to Fig. 4, Fig. 5, present embodiment is the embodiment of the motor gear recognition device of realization aforementioned motor gear recognition methods.
Motor gear recognition device of the present invention; Contain the core CPU module; Induced voltage pulse collection module, said core CPU module comprises single-chip microcomputer and peripheral circuit, said motor gear recognition methods embeds single-chip microcomputer as plug-in; Said induced voltage pulse collection module input connects the coil winding of any gear of motor; The output terminal of induced voltage pulse collection module inserts the core CPU module, and the core CPU module is carried out motor gear identification according to the inductive impulse width, judges the current running status of motor.
In the present embodiment; Induced voltage pulse collection module comprises voltage transformer (VT) and schmidt trigger circuit; Said voltage transformer (VT) primary coil connects the motor gear coil, and the voltage transformer (VT) secondary output end connects schmidt trigger circuit, and said schmidt trigger circuit output connects single-chip microcomputer.
Embodiment five: referring to Fig. 4, Fig. 6; The motor gear recognition device of present embodiment; Only be with the difference of embodiment four: induced voltage pulse collection module comprises half-wave or full-wave rectifying circuit and photoelectrical coupler; Said half-wave or full-wave rectifying circuit input end connect motor gear coil power end, and rectification circuit output end connects photoelectrical coupler, and said photoelectrical coupler output connects single-chip microcomputer.
Embodiment six: referring to Fig. 4, Fig. 7; The motor gear recognition device of present embodiment; Only be with the difference of embodiment four: induced voltage pulse collection module comprises voltage transformer (VT) and voltage comparator; Said voltage transformer (VT) primary coil connects the motor gear coil, and the voltage transformer (VT) secondary output end connects voltage comparator, and said voltage comparator output connects single-chip microcomputer.
Embodiment seven: referring to Fig. 4; The motor gear recognition device of present embodiment; Different with aforementioned each embodiment is: contain clock module, said clock module connects the single-chip microcomputer in the core CPU module, calculates each gear working time through said clock module to the different gears that detect.
Embodiment eight: referring to Fig. 4, Fig. 8; The motor gear recognition device of present embodiment; Different with aforementioned each embodiment is: said peripheral circuit comprises communication module and temperature collect module, and said communication module is connected the single-chip microcomputer in the core CPU module with temperature collect module.
Claims (10)
1. motor gear recognition methods is for altogether zero many taps of winding motor, the voltage induced pulse of measuring its arbitrary gear; Then according to the size of said voltage induced pulse width; Compare with the full sized pules width, confirm the gear of this motor, it is characterized in that:
Modified value with the inductive impulse width ± 0～N of arbitrary gear of civil power or blower fan is a standard, and top grade is designated as that K1, the middle-grade K2 of being designated as, civil power are designated as K3, low grade is designated as K4, K4＞K3＞K2＞K1 wherein, and said N is an arithmetic number;
Measure the inductive impulse width K of motor low-grade location, when K≤K3, judge that then motor moves with low-grade location; When K3＜K＜K4, then the decidable motor moves with middle gear; When K>=K4, then the decidable motor moves with high tap position.
2. motor gear recognition methods is for altogether zero many taps of winding motor, the voltage induced pulse of measuring its arbitrary gear; Then according to the size of said voltage induced pulse width; Compare with the full sized pules width, confirm the gear of this motor, it is characterized in that:
Modified value with the inductive impulse width ± 0～N of arbitrary gear of civil power or blower fan is a standard, and top grade is designated as that K1, the middle-grade K2 of being designated as, civil power are designated as K3, low grade is designated as K4, K4＞K3＞K2＞K1 wherein, and said N is an arithmetic number;
Measure the inductive impulse width K of gear in the motor, when K≤K2, judge that then motor moves with low-grade location; When K2＜K＜K3, then the decidable motor moves with middle gear; When K>=K3, then the decidable motor moves with high tap position.
3. motor gear recognition methods is for altogether zero many taps of winding motor, the voltage induced pulse of measuring its arbitrary gear; Then according to the size of said voltage induced pulse width; Compare with the full sized pules width, confirm the gear of this motor, it is characterized in that:
Modified value with the inductive impulse width ± 0～N of arbitrary gear of civil power or blower fan is a standard, and top grade is designated as that K1, the middle-grade K2 of being designated as, civil power are designated as K3, low grade is designated as K4, K4＞K3＞K2＞K1 wherein, and said N is an arithmetic number;
Measure the inductive impulse width K of motor high tap position, when K≤K1, judge that then motor moves with low-grade location; When K1＜K＜K2, then the decidable motor moves with middle gear; When K>=K2, then the decidable motor moves with high tap position.
4. motor gear recognition device of realizing claim 1,2 or 3 said motor gear recognition methodss; Contain the core CPU module; Said core CPU module comprises single-chip microcomputer and peripheral circuit, and said motor gear recognition methods embeds single-chip microcomputer as plug-in, it is characterized in that: contain induced voltage pulse collection module; Said induced voltage pulse collection module input connects the coil winding of any gear of motor; Said potential pulse acquisition module output terminal inserts the core CPU module, and the core CPU module is carried out motor gear identification according to the inductive impulse width, judges the current running status of motor.
5. motor gear recognition device according to claim 4; It is characterized in that: induced voltage pulse collection module comprises voltage transformer (VT) and schmidt trigger circuit; Said voltage transformer (VT) primary coil connects the motor gear coil; The voltage transformer (VT) secondary output end connects schmidt trigger circuit, and said schmidt trigger circuit output connects single-chip microcomputer.
6. motor gear recognition device according to claim 4; It is characterized in that: induced voltage pulse collection module comprises half-wave or full-wave rectifying circuit and photoelectrical coupler; Said half-wave or full-wave rectifying circuit input end connect motor gear coil power end; Rectification circuit output end connects photoelectrical coupler, and said photoelectrical coupler output connects single-chip microcomputer.
7. motor gear recognition device according to claim 4; It is characterized in that: induced voltage pulse collection module comprises voltage transformer (VT) and voltage comparator; Said voltage transformer (VT) primary coil connects the motor gear coil; The voltage transformer (VT) secondary output end connects voltage comparator, and said voltage comparator output connects single-chip microcomputer.
8. according to each described motor gear recognition device of claim 4～7; It is characterized in that: contain clock module; Said clock module connects the single-chip microcomputer in the core CPU module, calculates each gear working time through said clock module to the different gears that detect.
9. motor gear recognition device according to claim 8 is characterized in that: said peripheral circuit comprises communication module and temperature collect module, and said communication module is connected the single-chip microcomputer in the core CPU module with temperature collect module.
10. according to each described motor gear recognition device of claim 4～7, it is characterized in that: said peripheral circuit comprises communication module and temperature collect module, and said communication module is connected the single-chip microcomputer in the core CPU module with temperature collect module.
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Cited By (4)
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| CN105577066A (en) * | 2015-12-31 | 2016-05-11 | 深圳飞安瑞电子科技有限公司 | Motor shift detection system |
| CN109270453A (en) * | 2018-09-15 | 2019-01-25 | 中船重工西安东仪科工集团有限公司 | It is a kind of for testing the device and method of pulse motor load capacity |
| CN111442467A (en) * | 2020-04-17 | 2020-07-24 | 深圳爱思普芯科技有限公司 | Air conditioner gear detection method and detection system for detecting air conditioner gear |
| CN112229033A (en) * | 2020-10-26 | 2021-01-15 | 广东艾科技术股份有限公司 | Fan gear detection method and device and storage medium |
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| CN112229033A (en) * | 2020-10-26 | 2021-01-15 | 广东艾科技术股份有限公司 | Fan gear detection method and device and storage medium |
| CN112229033B (en) * | 2020-10-26 | 2022-03-11 | 广东艾科技术股份有限公司 | Fan gear detection method and device and storage medium |
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Application publication date: 20121219 |