CN202798576U - Simple motor gear recognizing device based on voltage mutual inductance technology - Google Patents
Simple motor gear recognizing device based on voltage mutual inductance technology Download PDFInfo
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- CN202798576U CN202798576U CN201220440593XU CN201220440593U CN202798576U CN 202798576 U CN202798576 U CN 202798576U CN 201220440593X U CN201220440593X U CN 201220440593XU CN 201220440593 U CN201220440593 U CN 201220440593U CN 202798576 U CN202798576 U CN 202798576U
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- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 description 5
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- 238000012544 monitoring process Methods 0.000 description 3
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Abstract
The utility model relates to a motor gear recognizing device. The simple motor gear recognizing device based on the voltage mutual inductance technology comprises a core central processing unit (CPU) module and a sensing voltage pulse gathering module, wherein an input end of the sensing voltage pulse gathering module is connected with a coil winding of any gear of a motor, an output end of the sensing voltage pulse gathering module is connected into the core CPU module, and the core CPU module performs motor gear recognition according to the voltage sensing pulse duty factor to judge the operation state of the motor. The simple motor gear recognizing device can fast and reliably recognize the motor operation state, achieves gear recognition by utilizing the voltage sensing pulse duty factor of different gears of the motor winding, only needs adopting one group of gear connection, simplifies the structure, reduces an analog digital (AD) module compared with the traditional voltage detection device, reduces cost, is easy to achieve, simultaneously is convenient to install and use, reduces construction difficulty in application and facilitates popularization and saving of social resources.
Description
Technical field
The utility model relates to a kind of motor gear recognition device, particularly relates to a kind of simple motor gear recognition device based on voltage mutual inductance technology.Be applied to totally zero many grades of fast multiwinding machines, such as the detection of the running status of central air-conditioning 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 automation control of production process already, for indelible contribution has been made in the development of national economy.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, some or at the early-stage.Along with further developing of social reform opening, market economy, in order to realize the commercialization of more voluminous industry, for fair, just angle, also for environmental protection and energy-conservation purpose, present use central air-conditioning carried out expenses standard and the system reform of heating and refrigeration, arrived must row can not stage.For charging system and the standard reform in relevant industries and field, relevant technologies personnel have carried out deep practice and exploring.In any case but, to the state recognition such as central air conditioning fan coil unit and industrial many grades of speed motors, control the prerequisite step that all is absolutely necessary for its energy consumption measurement with as state-detection and the enforcement of rates ground.Industry Control realizes that the speed of motor detects the equipment that reaches with computer communication and is mostly to adopt rotary encoder at present, utilize the method for phase difference and pulse counting, this method is inapplicable for the speed state identification of central air conditioning fan coil unit obviously, can't implement.
For centralized monitor, computer management and the information process-of realizing the central air conditioning fan coil unit 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 identified, and make it to realize remote monitoring and and computer communication.Its technical scheme that adopts is by comparison circuit, and spacing output circuit is realized the identification output of many grades of speed motor states, and the reference voltage of comparison 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, and take three-speed motor as example, the detection of each motor needs three the tunnel to detect, and collect high, medium and low voltage signal, 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.If be applied to many grades of more speed motor condition monitorings, above weak point is more obvious.Therefore be necessary to design a kind of more advanced, easy to use, the simple in structure recognition methods of many gears motor operating state and device.
The utility model content
The utility model is not enough for prior art, proposes a kind of multi-speed motor gear recognition device based on voltage mutual inductance technology, and range state that can many grades of speed motors of safe and reliable realization is identified.
The technical scheme that the utility model adopts:
A kind of motor gear recognition device based on voltage mutual inductance technology, contain the core CPU module, induced voltage pulse collection module, described core CPU module comprises single-chip microcomputer and peripheral circuit, described induced voltage pulse collection module input connects the coil windings of any one gear of motor, described induced voltage pulse collection module output access core CPU module, the core CPU module is carried out motor gear identification according to the voltage induced pulse duty factor, judges the running status of motor.
Described motor gear recognition device, induced voltage pulse collection module comprises voltage transformer and Schmidt trigger circuit, described voltage transformer primary coil connects the motor gear coil, the voltage transformer secondary output end connects Schmidt trigger circuit, and described 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, described half-wave or full-wave rectifying circuit input connect motor gear coil power end, rectification circuit output end connects photoelectrical coupler, and described photoelectrical coupler output connects single-chip microcomputer.
Described motor gear recognition device, induced voltage pulse collection module comprises voltage transformer and voltage comparator, described voltage transformer primary coil connects the motor gear coil, and the voltage transformer secondary output end connects voltage comparator, and described voltage comparator output connects single-chip microcomputer.
Described motor gear recognition device contains clock module, and described clock module connects the single-chip microcomputer in the core CPU module, calculates each gear running time by described clock module for the different gears that detect.
Described motor gear recognition device, described peripheral circuit comprises communication module and temperature collect module, described communication module is connected the single-chip microcomputer in the core CPU module with temperature collect module.
Useful good effect of the present utility model:
1, the utility model can carry out the identification of motor operating state rapidly, reliably based on the simple motor gear recognition device of voltage mutual inductance technology.Utilize the voltage induced pulse duty factor magnitude relationship of the different gears of motor winding to realize gear identification, only need adopt one group of gear line, simplified the structure of device, with low cost, be easy to realize that accuracy is high.Simultaneously, reduce the difficulty of construction when using, be conducive to promote the saving with social resources.
2, the utility model motor gear recognition device is simple in structure, installation, easy to use.With respect to traditional voltage check device, reduced the AD module, reduced cost, simultaneously the requirement of single-chip microcomputer reduced, enlarged range of choice, reduce and come single-chip microcomputer to select cost.And, the signals collecting of voltage induced pulse than general Acquisition Circuit have simply, safety, the characteristics that practicality is high.
3, the utility model motor gear recognition device is reasonable in design, and applicability is strong.The voltage induced pulse acquisition circuit is simple and reliable, can realize the multiport collection, is conducive to the integrated of equipment, has improved its range of application, can realize condition monitoring and the relevant device control of many grades of speed motors of greater number, has reduced application cost.
Four, description of drawings:
Fig. 1: the utility model motor gear recognition device circuit theory diagrams;
Fig. 2: one of the utility model voltage induced pulse collection modular circuit schematic diagram (Schmidt);
Fig. 3: two (optocouplers) of the utility model voltage induced pulse collection modular circuit schematic diagram;
Fig. 4: three (instrument transformer+comparators) of the utility model voltage induced pulse collection modular circuit schematic diagram;
Fig. 5: the recognition device communication of the utility model motor gear and temperature collect module.
Five, embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, the utility model is based on the motor gear recognition device of voltage mutual inductance technology, contain the core CPU module, induced voltage pulse collection module, described core CPU module comprises single-chip microcomputer and peripheral circuit, described induced voltage pulse collection module input connects the coil windings of any gear of motor, the output access core CPU module of induced voltage pulse collection module.
The utility model is based on the simple motor gear recognition device of voltage mutual inductance technology, for totally zero many taps of winding motor, only by measuring the voltage induced pulse of its arbitrary gear, then judge the running status of motor according to the inductive impulse duty ratio, carry out motor gear identification.
In the present embodiment, induced voltage pulse collection module comprises voltage transformer and Schmidt trigger circuit, described voltage transformer primary coil connects the motor gear coil, and the voltage transformer secondary output end connects Schmidt trigger circuit, and described Schmidt trigger circuit output connects single-chip microcomputer.
Embodiment two: referring to Fig. 1, Fig. 3, the motor gear recognition device of present embodiment, only be with the difference of embodiment one: induced voltage pulse collection module comprises half-wave or full-wave rectifying circuit and photoelectrical coupler, described half-wave or full-wave rectifying circuit input connect motor gear coil power end, rectification circuit output end connects photoelectrical coupler, and described photoelectrical coupler output connects single-chip microcomputer.
Embodiment three: referring to Fig. 1, Fig. 4, the motor gear recognition device of present embodiment, only be with the difference of embodiment one: induced voltage pulse collection module comprises voltage transformer and voltage comparator, described voltage transformer primary coil connects the motor gear coil, the voltage transformer secondary output end connects voltage comparator, and described voltage comparator output connects single-chip microcomputer.
Embodiment four: referring to Fig. 1, Fig. 5, the motor gear recognition device of present embodiment, different from aforementioned each embodiment is: contain clock module, described clock module connects the single-chip microcomputer in the core CPU module, calculates each gear running time by described clock module for the different gears that detect.
In addition, peripheral circuit also comprises communication module and temperature collect module, is used for realizing temperature acquisition and communication.Described communication module is connected the single-chip microcomputer in the core CPU module with temperature collect module.
Claims (6)
1. simple motor gear recognition device based on voltage mutual inductance technology, contain the core CPU module, described core CPU module comprises single-chip microcomputer and peripheral circuit, it is characterized in that: described motor gear recognition device contains induced voltage pulse collection module, described induced voltage pulse collection module input connects the coil windings of any gear of motor, described induced voltage pulse collection module output access core CPU module, the core CPU module is carried out motor gear identification according to the voltage induced pulse duty factor, judges the running status of motor.
2. the simple motor gear recognition device based on voltage mutual inductance technology according to claim 1, it is characterized in that: induced voltage pulse collection module comprises voltage transformer and Schmidt trigger circuit, described voltage transformer primary coil connects the motor gear coil, the voltage transformer secondary output end connects Schmidt trigger circuit, and described Schmidt trigger circuit output connects single-chip microcomputer.
3. the simple motor gear recognition device based on voltage mutual inductance technology according to claim 1, it is characterized in that: induced voltage pulse collection module comprises half-wave or full-wave rectifying circuit and photoelectrical coupler, described half-wave or full-wave rectifying circuit input connect motor gear coil power end, rectification circuit output end connects photoelectrical coupler, and described photoelectrical coupler output connects single-chip microcomputer.
4. the simple motor gear recognition device based on voltage mutual inductance technology according to claim 1, it is characterized in that: induced voltage pulse collection module comprises voltage transformer and voltage comparator, described voltage transformer primary coil connects the motor gear coil, the voltage transformer secondary output end connects voltage comparator, and described voltage comparator output connects single-chip microcomputer.
5. each described simple motor gear recognition device based on voltage mutual inductance technology according to claim 1～4, it is characterized in that: contain clock module, described clock module connects the single-chip microcomputer in the core CPU module, calculates each gear running time by described clock module for the different gears that detect.
6. the simple motor gear recognition device based on voltage mutual inductance technology according to claim 5, it is characterized in that: described peripheral circuit comprises communication module and temperature collect module, and described communication module is connected the single-chip microcomputer in the core CPU module with temperature collect module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220440593XU CN202798576U (en) | 2012-08-31 | 2012-08-31 | Simple motor gear recognizing device based on voltage mutual inductance technology |
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| CN201220440593XU CN202798576U (en) | 2012-08-31 | 2012-08-31 | Simple motor gear recognizing device based on voltage mutual inductance technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215873A (en) * | 2014-09-19 | 2014-12-17 | 郑州春泉节能股份有限公司 | Multiple gear speed motor gear wrong connection detection method and device |
| WO2020155147A1 (en) * | 2019-02-02 | 2020-08-06 | 深圳市大疆创新科技有限公司 | Motor operating state obtaining method and apparatus |
-
2012
- 2012-08-31 CN CN201220440593XU patent/CN202798576U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215873A (en) * | 2014-09-19 | 2014-12-17 | 郑州春泉节能股份有限公司 | Multiple gear speed motor gear wrong connection detection method and device |
| CN104215873B (en) * | 2014-09-19 | 2017-02-22 | 郑州春泉节能股份有限公司 | Multiple gear speed motor gear wrong connection detection method and device |
| WO2020155147A1 (en) * | 2019-02-02 | 2020-08-06 | 深圳市大疆创新科技有限公司 | Motor operating state obtaining method and apparatus |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Simple motor gear recognizing device based on voltage mutual inductance technology Effective date of registration: 20131025 Granted publication date: 20130313 Pledgee: Bank of Zhengzhou Limited by Share Ltd Baihua Road Branch Pledgor: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. Registration number: 2013990000790 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Free format text: FORMER NAME: CHUNQUAN NUANTONG ENERGY SAVING EQUIPMENT CO., LTD., ZHENGZHOU |
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| CP01 | Change in the name or title of a patent holder |
Address after: Bamboo hi tech Industrial Development Zone, Henan province Zhengzhou city 6 street 450001 No. 863 Software Park No. 1 A8 Patentee after: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Address before: Bamboo hi tech Industrial Development Zone, Henan province Zhengzhou city 6 street 450001 No. 863 Software Park No. 1 A8 Patentee before: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20141127 Granted publication date: 20130313 Pledgee: Bank of Zhengzhou Limited by Share Ltd Baihua Road Branch Pledgor: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Registration number: 2013990000790 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20141127 Registration number: 2013990000790 Pledgor after: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Pledgor before: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Simple motor gear recognizing device based on voltage mutual inductance technology Effective date of registration: 20151229 Granted publication date: 20130313 Pledgee: Bank of Zhengzhou Limited by Share Ltd Baihua Road Branch Pledgor: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Registration number: 2015990001190 |
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Date of cancellation: 20161228 Granted publication date: 20130313 Pledgee: Bank of Zhengzhou Limited by Share Ltd Baihua Road Branch Pledgor: ZHENGZHOU CHUNQUAN ENERGY-SAVING CO., LTD. Registration number: 2015990001190 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20200831 |