CN201331569Y - Novel multi-level motor shift-level detecting device - Google Patents
Novel multi-level motor shift-level detecting device Download PDFInfo
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- CN201331569Y CN201331569Y CNU2008202215544U CN200820221554U CN201331569Y CN 201331569 Y CN201331569 Y CN 201331569Y CN U2008202215544 U CNU2008202215544 U CN U2008202215544U CN 200820221554 U CN200820221554 U CN 200820221554U CN 201331569 Y CN201331569 Y CN 201331569Y
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Abstract
The utility model relates to a multi-level motor shift-level identifying device, in particular to a voltage mutual-inductance technology-based novel multi-level motor shift-level detecting device, which is applied to the detection of the running status of multi-level motors of common-zero multi-winding such as the blower coil pipe of a central air conditioner. The multi-level motor shift-level identifying device comprises a core CPU module and a voltage collecting module, wherein, the core CPU module is provided with a singlechip and a peripheral circuit; the voltage collecting module instantly collects the work voltage of a driving coil at one level of the multi-level motor, and the outputted voltage signal is accessed to the core CPU module after the analog/digital conversion, and the core CPU module is provided with a multi-level motor shift-level identification program which is based on the voltage mutual-inductance technology and is used for judging and identifying the current running status and shift level of the multi-level motor. The multi-level motor shift-level detecting device has the advantages of simple and safe voltage collecting circuit, high practicability and convenient installation and application, and can reliably realize the shift-level status identification of the multi-level motor.
Description
One, technical field:
The utility model relates to a kind of multi-speed motor gear recognition device, particularly relates to a kind of novel multi-speed motor gear pick-up unit based on voltage mutual inductance technology.
Two, 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 commercialization of more voluminous industry, for fair, just angle, also for environmental protection and purpose of energy saving, present use central air conditioner is carried out the expenses standard and the system of heating and refrigeration and reforms, 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, is used for the running status of many grades of speed motors is discerned.Its technical scheme that adopts is by comparator circuit, and spacing output circuit is realized the identification output of motor gear, 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 each grade of 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, take nearly five collection lines, the construction material waste, and cost is higher; 3, motor detects and 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 more motor operating state, above weak point is more obvious.Therefore be necessary to design a kind of more advanced, easy to use, simple in structure multi-speed motor gear pick-up unit.
Three, utility model content:
The utility model proposes a kind of novel multi-speed motor gear pick-up unit based on voltage mutual inductance technology at the prior art deficiency, and is simple in structure, installs, easy to use, range state identification that can many grades of speed motors of safe and reliable realization.
The technical scheme that the utility model adopted:
A kind of novel multi-speed motor gear pick-up unit based on voltage mutual inductance technology, contain core CPU module and voltage acquisition module, described core CPU module contains single-chip microcomputer and peripheral circuit, gather the drive coil operating voltage of some gears in the many grades of speed motor windings in real time by voltage acquisition module, the voltage detecting circuit output voltage signal inserts the core CPU module in the voltage acquisition module after mould/number conversion, the current running status and the gear of many grades of speed motors are judged and discerned to the built-in multi-speed motor gear recognizer based on voltage mutual inductance technology of described core CPU module.
Described novel multi-speed motor gear pick-up unit; contain photoelectric isolation module; wherein voltage detecting circuit records voltage signal and is divided into two-way inserts its light-coupled isolation module that is connected respectively by current-limiting resistance and unidirectional protection diode input end; the output terminal of one of them light-coupled isolation module connects an I/O input port of single-chip microcomputer in the core CPU module, and the output terminal of another light-coupled isolation module connects one group of I/O input interface of single-chip microcomputer in the core CPU module by output behind mould/number conversion circuit.
Storage module when the core CPU module is connected with prison keeps with the recorded information preservation of realization equipment and the preservation of running parameter.The control interface of storage module, data-interface and read-write synchronous clock interface connect the corresponding control interface or the I/O interface of single-chip microcomputer in the core CPU module respectively during prison, and the serial communication interface of single-chip microcomputer connects the uplink communication module in the core CPU module.
Described novel multi-speed motor gear pick-up unit, can realize the multiport collection by a plurality of voltage detecting circuits, the output voltage signal of each voltage detecting circuit is through connecting one group of I/O interface of single-chip microcomputer in the core CPU module respectively, to realize the range state identification and the control of a plurality of many grades of speed motors after mould/number conversion.
The utility model is based on the multi-speed motor gear pick-up unit of voltage mutual inductance technology, for adopting the totally zero multitap many grades of speed motors of winding, how many different rotational speed regulation that realize different gears with the winding coil number of turn, between different gears because the difference of the drive coil number of turn, the mutual voltage value of arbitrary gear is also different, only by measuring the operational voltage value of wherein some known fixed gear drive coils, obtain different magnitudes of voltage according to mutual induction of voltage characteristic between machine winding coil then, voltage by the known fixed gear that will measure compares the also definite electronic running status of these many grades of speed of identification with the normal voltage of input.
For many grades of speed motors, only need measure the voltage at one of them gear drive coil two ends by voltage detecting circuit, when detected state when voltage is arranged, promptly definite many grades of speed motors are in running status; When detected state is no-voltage, determine that promptly many grades of speed motors are halted state.The status recognition of this testing circuit can be a switching value.
Useful good effect of the present utility model:
1, the utility model multi-speed motor gear pick-up unit, utilize the drive coil mutual voltage difference of the different gears of motor, voltage by gathering a certain gear and the standard transition magnitude of voltage that presets relatively obtain the operational taps when front motor, identification rapidly, reliable.Only need adopt one group of gear line, simple in structure, with low cost; Maintenance, repair, debugging have conveniently reduced the difficulty of construction when using, and have improved product competitiveness, have saved social resources, help the popularization of equipment.
2, the utility model multi-speed motor gear pick-up unit, voltage detecting circuit is simple, safety, the practicality height.Adopt light-coupled isolation and analog to digital conversion, improved the security and stability of equipment; According to the drive coil mutual voltage characteristic difference of different gears in the motor windings, the voltage jump value of a wide region can be proposed, help accurate, the reliable recognition of motor gear.
3, the utility model multi-speed motor gear pick-up unit is reasonable in design, installs, uses simply, and applicability is strong, can realize that the running status of many grades of speed motors is gathered in real time, and the realization metrical information is forever preserved, and the data message holding time is long.
4, the utility model multi-speed motor gear pick-up unit, voltage detecting circuit is simple, realizes the multiport collection easily, helps the integrated of equipment, can realize that the running status of many grades of speed motors of greater number detects, and has reduced application cost.
Four, description of drawings:
Fig. 1: the utility model multi-speed motor gear pick-up unit module diagram
Fig. 2: the utility model multi-speed motor gear pick-up unit CPU modular circuit schematic diagram
Fig. 3: storage module circuit theory diagrams during the utility model multi-speed motor gear pick-up unit prison
Fig. 4: the utility model multi-speed motor gear pick-up unit voltage acquisition module
Fig. 5: the utility model multi-speed motor gear pick-up unit analog-to-digital conversion module
Fig. 6: the utility model multi-speed motor gear pick-up unit power module
Five, embodiment:
Embodiment one: referring to Fig. 1～Fig. 6, and the novel multi-speed motor gear pick-up unit of present embodiment, storage module, voltage acquisition module, power module when comprising core CPU module, prison, power module provides working power for message accounting.The control interface of storage module, data-interface and read-write synchronous clock interface connect the corresponding control interface or the I/O interface of core CPU module respectively when wherein supervising; Voltage acquisition module comprises voltage detecting circuit and analog to digital conversion circuit, and the voltage detecting circuit output voltage signal has been avoided the interference with light current through light-coupled isolation.Analog to digital conversion circuit can connect core CPU by the I/O interface.
Core CPU modular circuit principle schematic 2, storage module circuit theory synoptic diagram when Fig. 3 is prison, wherein U1 is CPU, memory when U2 is prison.Central processing unit in the core CPU module (CPU) can adopt 89S52, AT89C52, P89C54BP, P89C58A,, MC68HC11A8, MC68HC11E9, MC68HC16, PIC16C877A, EM78P447, MSP430F147, MSP430F435, E78C52D, E78E58B and follow-up release thereof compatible chip in any one, four I/O port WDOG of CPU, SO, W_CLK, SI respectively with when prison storage module corresponding interface WDOG, SO, W_CLK, SI be connected, these interfaces can be defined arbitrarily by software; The reset terminal of CPU (RST) is connected with the reset terminal (RST) of monitor.Fig. 6 is a present embodiment message accounting power module circuitry principle schematic, and wherein U5, U6 are three terminal regulator, and power module provides work and control power supply for whole device.
The utility model multi-speed motor gear pick-up unit, the built-in motor gear recognizer of core CPU module based on voltage mutual inductance technology, detect the operational voltage value of known fixed gear drive coil by voltage acquisition module, its reference transition threshold voltage with the standard that is provided with is compared, can determine rotating speed of motor gear under this situation, comprise halted state.For example a three-speed motor is with low grade, middle-grade when respectively, and during high-grade operation, it is that voltage is arranged is the electric motor starting state that voltage detecting circuit detects.Getting low-grade location is the stationary monitoring point, by designing requirement adjusting gear parameter, then can obtain with reference voltage (civil power or valve are controlled) between three different magnitude of voltage U, corresponding with high, normal, basic gear respectively, in conjunction with the company voltage jump value V1, the V2 that are provided with, and V2＞V1.When gathering voltage is that U＞V2 situation is for high-grade, when collection voltage is that V2＞U＞V1 situation is middle-grade, when collection voltage is that V1＞U situation is low-grade.During the motor halted state,, can determine the motor halted state because voltage detecting circuit detects no-voltage.
Voltage acquisition module is realized strong and weak electricity isolation, the steady operation of protection system by optocoupler 521.Referring to Fig. 4, the operating voltage input end of the drive coil of a certain static stall of the many grades of speed motors of outside input DO1 connection of voltage acquisition module, wherein terminal 220NO1 connects zero-power line, 220LO1 connects reference voltage, and output terminal F1 connects the I/O interface of core CPU module CPU after the light-coupled isolation; Another isolation detection output terminal U_D1 connects the input interface of analog-to-digital conversion module U7, obtains gathering the conversion value of voltage by analog to digital conversion.U7 is the A/D conversion chip among Fig. 5, can adopt all kinds of serial parallel interfaces general on the market and single channel multi-channel A/D conversion chip, precision is more than eight, as in the compatible chip that can adopt AD1671, AD7824, ADC0831, TLC1549, TLC1543, MAX120, MAX180 and follow-up release thereof any one, interface ADDOUT, the ADCLK of module, ADADDR, ADCS are connected with corresponding interface ADDOUT, ADCLK, ADADDR, the ADCS of single-chip microcomputer in the core CPU module respectively, and these interfaces can be defined arbitrarily by software.
Embodiment two: referring to Fig. 1～Fig. 6.The difference of present embodiment and embodiment one is: the voltage acquisition module that adopts multiport, a gear engaged voltage signal that detects a plurality of many grades of speed motors by a plurality of voltage detecting circuits inserts single-chip microcomputer respectively, to realize the detection of a plurality of many grades of speed motor running statuses.Physical circuit and annexation and embodiment one are basic identical.
The utility model multi-speed motor gear pick-up unit is applied in central air conditioner charging field, can be by gear identification accurately and reliably, obtain user's accurate service time, hot exchange power in conjunction with fan coil, adopt suitable computer management and software for calculation, can realize the metering of central air conditioner.
Claims (4)
1, a kind of novel multi-speed motor gear pick-up unit, contain the core CPU module, described core CPU module contains single-chip microcomputer and peripheral circuit, it is characterized in that: contain voltage acquisition module, the input end of voltage detecting circuit connects the drive coil operating voltage input end of some gears of many grades of speed motors in the described voltage acquisition module, the voltage detecting circuit output voltage signal inserts the core CPU module after mould/number conversion, the built-in multi-speed motor gear recognizer based on voltage mutual inductance technology of described core CPU module.
2, novel multi-speed motor gear pick-up unit according to claim 1; it is characterized in that: voltage acquisition module contains the light-coupled isolation module; the voltage detecting circuit output voltage signal is divided into two-way inserts its light-coupled isolation module that is connected respectively by current-limiting resistance and unidirectional protection diode input end; the output terminal of one of them light-coupled isolation module connects an I/O input port of single-chip microcomputer in the core CPU module, and the output terminal of another light-coupled isolation module connects one group of I/O input interface of single-chip microcomputer in the core CPU module by output behind mould/number conversion circuit.
3, novel multi-speed motor gear pick-up unit according to claim 1 and 2, it is characterized in that: storage module when the core CPU module is connected with prison, the control interface of storage module, data-interface and read-write synchronous clock interface connect the corresponding control interface or the I/O interface of single-chip microcomputer in the core CPU module respectively during prison.
4, novel multi-speed motor gear pick-up unit according to claim 3, it is characterized in that: voltage acquisition module contains at least one road voltage detecting circuit, the output voltage signal of each road voltage detecting circuit detects to realize a plurality of multi-speed motor gears through connecting an I/O interface of single-chip microcomputer in the core CPU module after mould/number conversion respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNU2008202215544U CN201331569Y (en) | 2008-11-28 | 2008-11-28 | Novel multi-level motor shift-level detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202215544U CN201331569Y (en) | 2008-11-28 | 2008-11-28 | Novel multi-level motor shift-level detecting device |
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| CN201331569Y true CN201331569Y (en) | 2009-10-21 |
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| CNU2008202215544U Expired - Fee Related CN201331569Y (en) | 2008-11-28 | 2008-11-28 | Novel multi-level motor shift-level detecting device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033203A (en) * | 2010-11-24 | 2011-04-27 | 郑州春泉暖通节能设备有限公司 | Judging method and detection device for running state fault of motor |
| CN102230658A (en) * | 2010-02-01 | 2011-11-02 | 中山大洋电机制造有限公司 | Air conditioning fan motor controller and control method thereof |
| CN102830354A (en) * | 2012-08-31 | 2012-12-19 | 郑州春泉暖通节能设备有限公司 | Motor gear identification method and device |
| CN102832881A (en) * | 2012-08-31 | 2012-12-19 | 郑州春泉暖通节能设备有限公司 | Simple motor gear identification method and device based on potential transformation technology |
| CN104101752A (en) * | 2014-07-16 | 2014-10-15 | 佛山市顺德区美的电热电器制造有限公司 | Gear adjusting method and gear adjusting device |
| CN109462395A (en) * | 2018-12-28 | 2019-03-12 | 常州朗奇威电器有限公司 | Interface multiplexes conversion circuit and multiplexing conversion method |
| 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 |
-
2008
- 2008-11-28 CN CNU2008202215544U patent/CN201331569Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230658A (en) * | 2010-02-01 | 2011-11-02 | 中山大洋电机制造有限公司 | Air conditioning fan motor controller and control method thereof |
| CN102230658B (en) * | 2010-02-01 | 2013-09-11 | 中山大洋电机制造有限公司 | Air conditioning fan motor controller and control method thereof |
| CN102033203A (en) * | 2010-11-24 | 2011-04-27 | 郑州春泉暖通节能设备有限公司 | Judging method and detection device for running state fault of motor |
| CN102830354A (en) * | 2012-08-31 | 2012-12-19 | 郑州春泉暖通节能设备有限公司 | Motor gear identification method and device |
| CN102832881A (en) * | 2012-08-31 | 2012-12-19 | 郑州春泉暖通节能设备有限公司 | Simple motor gear identification method and device based on potential transformation technology |
| CN104101752A (en) * | 2014-07-16 | 2014-10-15 | 佛山市顺德区美的电热电器制造有限公司 | Gear adjusting method and gear adjusting device |
| CN104101752B (en) * | 2014-07-16 | 2017-05-17 | 佛山市顺德区美的电热电器制造有限公司 | Gear adjusting method and gear adjusting device |
| CN109462395A (en) * | 2018-12-28 | 2019-03-12 | 常州朗奇威电器有限公司 | Interface multiplexes conversion circuit and multiplexing conversion method |
| CN109462395B (en) * | 2018-12-28 | 2023-08-15 | 常州朗奇威电器有限公司 | Interface multiplexing conversion circuit and multiplexing conversion method |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |
|
| 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 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 Patentee before: Zhengzhou Chunquan HVAC Energy-Saving Equipment Co.,Ltd. |
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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: 20091021 Termination date: 20161128 |