CN104215873B - Multiple gear speed motor gear wrong connection detection method and device - Google Patents
Multiple gear speed motor gear wrong connection detection method and device Download PDFInfo
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Abstract
The invention relates to a multiple gear speed motor gear wrong connection detection method and a multiple gear speed motor gear wrong connection detection device. The multiple gear speed motor gear wrong connection detection method includes steps: presetting a voltage leap value, then transmitting n different gear signals to a multiple gear speed motor sequentially through n gear control lines, and simultaneously, respectively measuring n real time voltage values corresponding the lowest or the highest gear control line, and finally judging out a wrong connection gear according to the n real time voltage values. The multiple gear speed motor gear wrong connection detection device used to achieve the multiple gear speed motor gear wrong connection detection method comprises a microprocessor, a gear drive coil voltage detection module, a gear output drive module and a power source module, wherein n gear signal output ends of the microprocessor are connected with the n gear control lines through the gear output drive module, the gear drive coil voltage detection module comprises two photoelectric couplers, the lowest or the highest gear control line is connected with transmitting tubes of the two photoelectric couplers, and receiving tubes of the two photoelectric couplers are respectively connected with two analog signal input ends of the microprocessor. The multiple gear speed motor gear wrong connection detection method and the multiple gear speed motor gear wrong connection detection device are accurate in detection and low in implementation cost.
Description
Technical field
The present invention relates to a kind of motor gear wrong detection method and device, connect particularly to a kind of multi-speed motor gear
False retrieval surveys method and device.
Background technology
With the fast development of China's economic society, central air-conditioning is applied to public building commonplacely and resident lives
In residence, it improves the production and living conditions of people, receives generally liking of people.Blower fan in central air-conditioning is usually many
Notch speed motor, attemperating unit, when being controlled to central air-conditioning, can make PAU+FCU system as needed in different gears, thus
Indoor temperature is controlled to be maintained at a suitable temperature；However, in the installation process carrying out attemperating unit, site operation people
The many blower fan gear output control lines that attemperating unit exports, due to carelessness, are usually mixed up by member（As：By high tap position output control
Line is connected in the low-grade location tap of blower fan, and low-grade location output control line is connected in the high tap position tap of blower fan）, this will make
Become attemperating unit chaotic to the control of blower fan, not only make attemperating unit cannot realize the control to room temperature, and make commissioning staff
Be difficult to find out wherein fault the reason.
Content of the invention
The technical problem to be solved in the present invention is：A kind of multi-speed motor gear that detection is accurate, cost of implementation is low is provided
Wrong detection method and device.
Technical scheme：
A kind of multi-speed motor gear wrong detection method, to being connected to common-zero winding multi-tap multi gear speed motor
N gear control line in n driving coil carries out wrong detection, based on voltage mutual inductance technology, multi gear speed motor lowest gear
Real-time voltage value in driving coil assumes a grade time variant voltage value with multi gear speed motor operational tapses difference, presses many notch speed electricity in advance
Turn ratio featured configuration voltage jump value V1, V2 of the gear driving coil of machine ..., Vi-1, Vi ..., V n-1, wherein, Vi
The maximum of ＞ Vi-1, i is n-1, containing the following step：
Step 1：Pass sequentially through n gear control line and be conveyed to multi gear speed motor n different gear signal, meanwhile, point
When not measuring the different gear signal of conveying n, corresponding n real-time voltage value U1, U2 on lowest gear control line ...,
Ui ... Un, wherein, n real-time voltage value U1, U2 ..., Ui ... Un arranges to order the most high-grade according to from deep low gear,
This n real-time voltage value is all with respect to live wire or all with respect to the magnitude of voltage of zero line；
Step 2：If V=is V n-1-V1；If U1 be magnitude of voltage U1, U2 ..., Ui ... the minimum of a value in Un, and U1
And magnitude of voltage U1, U2 ..., Ui ... the difference between maximum in Un is more than V then it represents that multi gear speed motor lowest gear
Wiring in driving coil is correct, proceeds step 3；If U1 be not magnitude of voltage U1, U2 ..., Ui ... the minimum in Un
It is worth the wiring error then it represents that in multi gear speed motor lowest gear driving coil, detection terminates；
Step 3：If Vi-1 ＜ Ui ＜ Vi is then it represents that the wiring in multi gear speed motor the i-th gear driving coil is correct, no
Then, represent the wiring error in multi gear speed motor the i-th gear driving coil；If Un ＞ V n-1 then it represents that multi gear speed motor
Wiring in high tap position driving coil is correct, otherwise, represents the wiring error in multi gear speed motor highest gear driving coil；
Step 4：Detection terminates.
A kind of multi-speed motor gear wrong detection method, to being connected to common-zero winding multi-tap multi gear speed motor
N gear control line in n driving coil carries out wrong detection, based on voltage mutual inductance technology, multi gear speed motor highest gear
Real-time voltage value in driving coil assumes a grade time variant voltage value with multi gear speed motor operational tapses difference, presses many notch speed electricity in advance
Turn ratio featured configuration voltage jump value V1, V2 of the gear driving coil of machine ..., Vi-1, Vi ..., V n-1, wherein, Vi
The maximum of ＞ Vi-1, i is n-1, containing the following step：
Step 1：Pass sequentially through n gear control line and be conveyed to multi gear speed motor n different gear signal, meanwhile, point
When not measuring the different gear signal of conveying n, corresponding n real-time voltage value U1, U2 on highest gear control line ...,
Ui ... Un, wherein, n real-time voltage value U1, U2 ..., Ui ... Un arranges according to from the most high-grade to the order of deep low gear,
This n real-time voltage value is the magnitude of voltage with respect to live wire；
Step 2：If V=is V n-1-V1；If U1 be magnitude of voltage U1, U2 ..., Ui ... the minimum of a value in Un, and U1
And magnitude of voltage U1, U2 ..., Ui ... the difference between maximum in Un is more than V then it represents that multi gear speed motor highest gear
Wiring in driving coil is correct, proceeds step 3；If U1 be not magnitude of voltage U1, U2 ..., Ui ... the minimum in Un
It is worth the wiring error then it represents that in multi gear speed motor highest gear driving coil, detection terminates；
Step 3：If Vi-1 ＜ Ui ＜ Vi is then it represents that the wiring in multi gear speed motor the i-th gear driving coil is correct, no
Then, represent the wiring error in multi gear speed motor the i-th gear driving coil；If Un ＞ V n-1 then it represents that multi gear speed motor
Wiring in low-grade location driving coil is correct, otherwise, represents the wiring error in multi gear speed motor lowest gear driving coil；
Step 4：Detection terminates.
A kind of multi-speed motor gear wrong detection method, to being connected to common-zero winding multi-tap multi gear speed motor
N gear control line in n driving coil carries out wrong detection, based on voltage mutual inductance technology, multi gear speed motor highest gear
Real-time voltage value in driving coil assumes a grade time variant voltage value with multi gear speed motor operational tapses difference, presses many notch speed electricity in advance
Turn ratio featured configuration voltage jump value V1, V2 of the gear driving coil of machine ..., Vi-1, Vi ..., V n-1, wherein, Vi
The maximum of ＞ Vi-1, i is n-1, containing the following step：
Step 1：Pass sequentially through n gear control line and be conveyed to multi gear speed motor n different gear signal, meanwhile, point
When not measuring the different gear signal of conveying n, corresponding n real-time voltage value U1, U2 on highest gear control line ...,
Ui ... Un, wherein, n real-time voltage value U1, U2 ..., Ui ... Un arranges to order the most high-grade according to from deep low gear,
This n real-time voltage value is the magnitude of voltage with respect to zero line；
Step 2：If V=is V n-1-V1；If Un be magnitude of voltage U1, U2 ..., Ui ... the maximum in Un, and Un
And magnitude of voltage U1, U2 ..., Ui ... the difference between minimum of a value in Un is more than V then it represents that multi gear speed motor highest gear
Wiring in driving coil is correct, proceeds step 3；If Un be not magnitude of voltage U1, U2 ..., Ui ... the maximum in Un
It is worth the wiring error then it represents that in multi gear speed motor highest gear driving coil, detection terminates；
Step 3：If Vi-1 ＜ Ui ＜ Vi is then it represents that the wiring in multi gear speed motor the i-th gear driving coil is correct, no
Then, represent the wiring error in multi gear speed motor the i-th gear driving coil；If U1 ＜ V 1 is then it represents that multi gear speed motor is minimum
Wiring in gear driving coil is correct, otherwise, represents the wiring error in multi gear speed motor lowest gear driving coil；
Step 4：Detection terminates.
A kind of multi-speed motor gear wrong detection means realizing above-mentioned multi-speed motor gear wrong detection method, contains
There are central processing module, gear driving coil voltage detection module, gear output driving module and power module, central authorities process mould
Contain microprocessor in block, in gear output driving module, contain n drive circuit, n gear signal output of microprocessor
End is connected with n gear control line respectively by n drive circuit, contains optical coupling isolator and two-way crystalline substance in each drive circuit
Brake tube, the gear signal output end of microprocessor is connected with bidirectional thyristor by optical coupling isolator, the main electricity of bidirectional thyristor
Pole is connected with gear control line again；The first photoelectrical coupler and the second smooth thermocouple is contained in gear driving coil voltage detection module
Clutch, lowest gear control line or highest gear control line connect the first current-limiting resistance and one end of the second current-limiting resistance respectively,
The other end of the first current-limiting resistance is connected with the positive pole of the first diode, the other end of the second current-limiting resistance and the second diode
Positive pole connects, the negative pole of the negative pole of the first diode and the second diode respectively with the positive pole of the first photoelectrical coupler transmitting tube and
Positive pole connection, the negative pole of the transmitting tube of the first photoelectrical coupler and second photoelectrical coupler of the transmitting tube of the second photoelectrical coupler
The negative pole of transmitting tube be connected with the zero line of multi gear speed motor power supply and live wire respectively, the reception pipe of the first photoelectrical coupler
It is connected with two input end of analog signal of microprocessor respectively with the reception pipe of the second photoelectrical coupler；Power module is central authorities
Processing module, gear driving coil voltage detection module and gear output driving module for power supply.
The model of microprocessor：ATmega324A-AU；The model of optical coupling isolator：MOC3041 or MOC3061；The
One photoelectrical coupler and the model of the second photoelectrical coupler：P521 or P421 or PS2501；
The 3rd diode and the 4th diode is also contained in gear driving coil voltage detection module；3rd diode negative
Pole is connected with the positive pole of the first photoelectrical coupler transmitting tube, the positive pole of the 3rd diode and the first photoelectrical coupler transmitting tube negative
Pole connects；The negative pole of the 4th diode is connected with the positive pole of the second photoelectrical coupler transmitting tube, the positive pole of the 4th diode and
The negative pole of two photoelectrical coupler transmitting tubes connects.
Multi-speed motor gear wrong detection means also contains gear signal detection module, contains in gear signal detection module
There is n gear signal testing circuit, n gear control line passes through n gear signal testing circuit n respectively with microprocessor
Gear detection signal input connects；Transformer, rectifier and voltage-stabiliser tube, gear control is contained in each gear signal testing circuit
Line processed is connected with the former limit of transformer, and the secondary of transformer is connected with the input of rectifier, the output plus terminal of rectifier with micro-
The gear detection signal input of processor connects, and voltage-stabiliser tube is attempted by between the output plus terminal of rectifier and negative terminal；Power supply mould
Block is also powered for gear signal detection module.
Multi-speed motor gear wrong detection means also contains wireless communication module, contains WIFI and lead in wireless communication module
News controller, the communication port of microprocessor is connected with WIFI communication controller；Power module is also powered for wireless communication module.
The model of WIFI communication controller：CR001.
Display, memory and microprocessor monitors device is contained, display is aobvious with microprocessor in central processing module
Show that mouth connects, memory is connected with the data storage mouth of microprocessor, the WDT output end of microprocessor and microprocessor
The signal input part of device watch-dog connects, and the reset output terminal of microprocessor monitors device is connected with the reset terminal of microprocessor；Electricity
Voltage changer is contained, voltage changer is output as central processing module, gear driving coil voltage detecting mould in source module
Block and gear output driving module for power supply.
The model of memory：FM25040A；The model of microprocessor monitors device：MAX706PCSA；Voltage changer
Model：SGM6x3x.
Beneficial effects of the present invention：
1. the multi-speed motor gear wrong detection method of the present invention passes sequentially through n gear control line and is conveyed to many notch speed
Motor n different gear signal, detects n real-time voltage on lowest gear control line or highest gear control line simultaneously
Value, to judge with this to connect the n gear control line whether wrong in n driving coil of multi gear speed motor, this detection is accurate,
And a part of circuit in original air-conditioning temperature control device be can be utilized on hardware（As：Gear output driving module）, produce system
Make low cost.
2. the multi-speed motor gear wrong detection means of the present invention adopt photoelectrical coupler to lowest gear control line or
Voltage on highest gear control line isolated it is ensured that voltage detecting safe and reliable；This device also adopts gear signal
Detection module carries out gear detection it is ensured that gear switch signal reaches motor, in case gear control line goes offline, the detection causing is not
Accurately.
（Four）, brief description：
Fig. 1 is the circuit diagram of central processing module；
Fig. 2 is the circuit theory schematic diagram of wireless communication module；
Fig. 3 is the circuit theory schematic diagram of gear output driving module；
Fig. 4 is the circuit theory schematic diagram of gear signal detection module；
Fig. 5 is the circuit theory schematic diagram of gear driving coil voltage detection module；
Fig. 6 is the circuit theory schematic diagram of power module.
（Five）, specific embodiment：
Embodiment one：A kind of multi-speed motor gear wrong detection method, to being connected to, common-zero winding multi-tap is many
N gear control line in n driving coil of notch speed motor carries out wrong detection, based on voltage mutual inductance technology, many notch speed electricity
Real-time voltage value in machine lowest gear driving coil assumes a grade time variant voltage value with multi gear speed motor operational tapses difference, in advance
By turn ratio featured configuration voltage jump value V1, V2 of the gear driving coil of multi gear speed motor ..., Vi-1, Vi ..., V
N-1, wherein, the maximum of Vi ＞ Vi-1, i is n-1, containing the following step：
Step 1：Pass sequentially through n gear control line and be conveyed to multi gear speed motor n different gear signal, meanwhile, point
When not measuring the different gear signal of conveying n, corresponding n real-time voltage value U1, U2 on lowest gear control line ...,
Ui ... Un, wherein, n real-time voltage value U1, U2 ..., Ui ... Un arranges to order the most high-grade according to from deep low gear,
This n real-time voltage value is all with respect to live wire or all with respect to the magnitude of voltage of zero line；
Step 2：If V=is V n-1-V1；If U1 be magnitude of voltage U1, U2 ..., Ui ... the minimum of a value in Un, and U1
And magnitude of voltage U1, U2 ..., Ui ... the difference between maximum in Un is more than V then it represents that multi gear speed motor lowest gear
Wiring in driving coil is correct, proceeds step 3；If U1 be not magnitude of voltage U1, U2 ..., Ui ... the minimum in Un
It is worth the wiring error then it represents that in multi gear speed motor lowest gear driving coil, detection terminates；
Step 3：If Vi-1 ＜ Ui ＜ Vi is then it represents that the wiring in multi gear speed motor the i-th gear driving coil is correct, no
Then, represent the wiring error in multi gear speed motor the i-th gear driving coil；If Un ＞ V n-1 then it represents that multi gear speed motor
Wiring in high tap position driving coil is correct, otherwise, represents the wiring error in multi gear speed motor highest gear driving coil；
Step 4：Detection terminates.
Embodiment two：A kind of multi-speed motor gear wrong detection method, to being connected to, common-zero winding multi-tap is many
N gear control line in n driving coil of notch speed motor carries out wrong detection, based on voltage mutual inductance technology, many notch speed electricity
Real-time voltage value in machine highest gear driving coil assumes a grade time variant voltage value with multi gear speed motor operational tapses difference, in advance
By turn ratio featured configuration voltage jump value V1, V2 of the gear driving coil of multi gear speed motor ..., Vi-1, Vi ..., V
N-1, wherein, the maximum of Vi ＞ Vi-1, i is n-1, containing the following step：
Step 1：Pass sequentially through n gear control line and be conveyed to multi gear speed motor n different gear signal, meanwhile, point
When not measuring the different gear signal of conveying n, corresponding n real-time voltage value U1, U2 on highest gear control line ...,
Ui ... Un, wherein, n real-time voltage value U1, U2 ..., Ui ... Un arranges according to from the most high-grade to the order of deep low gear,
This n real-time voltage value is the magnitude of voltage with respect to live wire；
Step 2：If V=is V n-1-V1；If U1 be magnitude of voltage U1, U2 ..., Ui ... the minimum of a value in Un, and U1
And magnitude of voltage U1, U2 ..., Ui ... the difference between maximum in Un is more than V then it represents that multi gear speed motor highest gear
Wiring in driving coil is correct, proceeds step 3；If U1 be not magnitude of voltage U1, U2 ..., Ui ... the minimum in Un
It is worth the wiring error then it represents that in multi gear speed motor highest gear driving coil, detection terminates；
Step 3：If Vi-1 ＜ Ui ＜ Vi is then it represents that the wiring in multi gear speed motor the i-th gear driving coil is correct, no
Then, represent the wiring error in multi gear speed motor the i-th gear driving coil；If Un ＞ V n-1 then it represents that multi gear speed motor
Wiring in low-grade location driving coil is correct, otherwise, represents the wiring error in multi gear speed motor lowest gear driving coil；
Step 4：Detection terminates.
Embodiment three：A kind of multi-speed motor gear wrong detection method, to being connected to, common-zero winding multi-tap is many
N gear control line in n driving coil of notch speed motor carries out wrong detection, based on voltage mutual inductance technology, many notch speed electricity
Real-time voltage value in machine highest gear driving coil assumes a grade time variant voltage value with multi gear speed motor operational tapses difference, in advance
By turn ratio featured configuration voltage jump value V1, V2 of the gear driving coil of multi gear speed motor ..., Vi-1, Vi ..., V
N-1, wherein, the maximum of Vi ＞ Vi-1, i is n-1, containing the following step：
Step 1：Pass sequentially through n gear control line and be conveyed to multi gear speed motor n different gear signal, meanwhile, point
When not measuring the different gear signal of conveying n, corresponding n real-time voltage value U1, U2 on highest gear control line ...,
Ui ... Un, wherein, n real-time voltage value U1, U2 ..., Ui ... Un arranges to order the most high-grade according to from deep low gear,
This n real-time voltage value is the magnitude of voltage with respect to zero line；
Step 2：If V=is V n-1-V1；If Un be magnitude of voltage U1, U2 ..., Ui ... the maximum in Un, and Un
And magnitude of voltage U1, U2 ..., Ui ... the difference between minimum of a value in Un is more than V then it represents that multi gear speed motor highest gear
Wiring in driving coil is correct, proceeds step 3；If Un be not magnitude of voltage U1, U2 ..., Ui ... the maximum in Un
It is worth the wiring error then it represents that in multi gear speed motor highest gear driving coil, detection terminates；
Step 3：If Vi-1 ＜ Ui ＜ Vi is then it represents that the wiring in multi gear speed motor the i-th gear driving coil is correct, no
Then, represent the wiring error in multi gear speed motor the i-th gear driving coil；If U1 ＜ V 1 is then it represents that multi gear speed motor is minimum
Wiring in gear driving coil is correct, otherwise, represents the wiring error in multi gear speed motor lowest gear driving coil；
Step 4：Detection terminates.
Example IV：Referring to Fig. 1～Fig. 6, in figure, realize the multi gear speed motor of multi-speed motor gear wrong detection method
Gear wrong detection means contain central processing module, gear driving coil voltage detection module, gear output driving module and
Power module, contains microprocessor U1 in central processing module, contains three drive circuits, micro- place in gear output driving module
Reason three gear signal output ends PA3, PA4 of device U1, PA5 pass through three drive circuits respectively with three gear control line LOW,
MID, HIGH connect, and contain optical coupling isolator in each drive circuit（U14、U13、U12）And bidirectional thyristor（Q9、Q8、Q7）,
The gear signal output end of microprocessor U1（PA3、PA4、PA5）By optical coupling isolator（U14、U13、U12）With two-way crystalline substance lock
Pipe（Q9、Q8、Q7）Connect, bidirectional thyristor（Q9、Q8、Q7）Main electrode again with gear control line（LOW、MID、HIGH）Even
Connect；The first photoelectrical coupler U15 and the second photoelectrical coupler U17, deep low gear is contained in gear driving coil voltage detection module
Position control line LOW pass through the first current-limiting resistance R57 and the second current-limiting resistance R61 respectively with the positive pole of the first diode D22 and the
The positive pole of two diode D24 connects, the negative pole of the negative pole of the first diode D22 and the second diode D24 respectively with the first photoelectricity
The positive pole of the transmitting tube of the positive pole of coupler U15 transmitting tube and the second photoelectrical coupler U17 connects, the first photoelectrical coupler U15
The negative pole of transmitting tube and the second photoelectrical coupler U17 transmitting tube the negative pole zero line with multi gear speed motor power supply respectively
AC220N and live wire AC220L connects, and the reception pipe of the reception pipe of the first photoelectrical coupler U15 and the second photoelectrical coupler U17 is divided
It is not connected with two input end of analog signal PA2, PA1 of microprocessor U1；Power module is central processing module, gear drives
Coil voltage detection module and gear output driving module for power supply.
The model of microprocessor U1：ATmega324A-AU；Optical coupling isolator（U14、U13、U12）Model：
MOC3041 or MOC3061；First photoelectrical coupler U15 and the model of the second photoelectrical coupler U17：P521 or P421 or
PS2501；
The 3rd diode D23 and the 4th diode D25 is also contained in gear driving coil voltage detection module；Three or two pole
The negative pole of pipe D23 is connected with the positive pole of the first photoelectrical coupler U15 transmitting tube, the positive pole of the 3rd diode D23 and the first photoelectricity
The negative pole of coupler U15 transmitting tube connects；The negative pole of the 4th diode D25 and the positive pole of the second photoelectrical coupler U17 transmitting tube
Connect, the positive pole of the 4th diode D25 is connected with the negative pole of the second photoelectrical coupler U17 transmitting tube.
Multi-speed motor gear wrong detection means also contains gear signal detection module, contains in gear signal detection module
There are three gear signal testing circuits, three gears control line LOW, MID, HIGH pass through three gear signal testing circuits respectively
It is connected with three gears detection signal input PC7, PC3, PC2 of microprocessor U1；Contain in each gear signal testing circuit
There is transformer（T1、T2、T3）, rectifier（Z2、Z3、Z4）And voltage-stabiliser tube（Z31、Z32、Z33）, gear control line（LOW、MID、
HIGH）With transformer（T1、T2、T3）Former limit connect, transformer（T1、T2、T3）Secondary and rectifier（Z2、Z3、Z4）'s
Input connects, rectifier（Z2、Z3、Z4）Output plus terminal and microprocessor U1 gear detection signal input（PC7、
PC3、PC2）Connect, voltage-stabiliser tube（Z31、Z32、Z33）It is attempted by rectifier（Z2、Z3、Z4）Output plus terminal and negative terminal between；Electricity
Source module is also powered for gear signal detection module.
Multi-speed motor gear wrong detection means also contains wireless communication module, contains WIFI and lead in wireless communication module
News controller U3, communication port PD0, PD1, PC0, PC4, PC5 of microprocessor U1 are connected with WIFI communication controller U3；Power supply mould
Block is also powered for wireless communication module.
The model of WIFI communication controller U3：CR001.
Display, memory U7 and microprocessor monitors device U2, display and microprocessor is contained in central processing module
Display mouth PB2, PD2, PD3 of U1 connects, data storage mouth PB4, PB5, PB6, PB7, PA0 of memory U7 and microprocessor U1
Connect, WDT output end PC1 of microprocessor U1 is connected with the signal input part WDI of microprocessor monitors device U2, micro-
The reset terminal RESET of the reset output terminal RST and microprocessor U1 of processor watch-dog U2 is connected；Voltage is contained in power module
Converter U4, voltage changer U4 are output as central processing module, gear driving coil voltage detection module and gear output
Drive module is powered.
The model of memory U7：FM25040A；The model of microprocessor monitors device U2：MAX706PCSA；Voltage becomes
The model of parallel operation U4：SGM6x3x.
Claims (8)
1. a kind of multi-speed motor gear wrong detection method, to the n being connected to common-zero winding multi-tap multi gear speed motor
N gear control line in individual driving coil carries out wrong detection, and based on voltage mutual inductance technology, multi gear speed motor lowest gear is driven
Real-time voltage value on moving winding assumes a grade time variant voltage value with multi gear speed motor operational tapses difference, presses multi gear speed motor in advance
Turn ratio featured configuration voltage jump value V1, V2 of gear driving coil ..., Vi-1, Vi ..., V n-1, wherein, Vi ＞
The maximum of Vi-1, i is n-1, it is characterized in that：Containing the following step：
Step 1：Pass sequentially through n gear control line and be conveyed to multi gear speed motor n different gear signal, survey respectively meanwhile
When measuring the different gear signal of conveying n, corresponding n real-time voltage value U1, U2 on lowest gear control line ...,
Ui ... Un, wherein, n real-time voltage value U1, U2 ..., Ui ... Un arranges to order the most high-grade according to from deep low gear,
This n real-time voltage value is all with respect to live wire or all with respect to the magnitude of voltage of zero line；
Step 2：If V=is V n-1-V1；If U1 be magnitude of voltage U1, U2 ..., Ui ... the minimum of a value in Un, and U1 with electricity
Pressure value U1, U2 ..., Ui ... the difference between maximum in Un be more than V then it represents that multi gear speed motor lowest gear drive
Wiring on coil is correct, proceeds step 3；If U1 be not magnitude of voltage U1, U2 ..., Ui ... the minimum of a value in Un,
Then represent the wiring error in multi gear speed motor lowest gear driving coil, detection terminates；
Step 3：If Vi-1 ＜ Ui ＜ Vi is then it represents that the wiring in multi gear speed motor the i-th gear driving coil is correct, otherwise,
Represent the wiring error in multi gear speed motor the i-th gear driving coil；If Un ＞ V n-1 is then it represents that multi gear speed motor highest
Wiring in gear driving coil is correct, otherwise, represents the wiring error in multi gear speed motor highest gear driving coil；
Step 4：Detection terminates.
2. a kind of multi-speed motor gear wrong detection method, to the n being connected to common-zero winding multi-tap multi gear speed motor
N gear control line in individual driving coil carries out wrong detection, and based on voltage mutual inductance technology, multi gear speed motor highest gear drives
Real-time voltage value on moving winding assumes a grade time variant voltage value with multi gear speed motor operational tapses difference, presses multi gear speed motor in advance
Turn ratio featured configuration voltage jump value V1, V2 of gear driving coil ..., Vi-1, Vi ..., V n-1, wherein, Vi ＞
The maximum of Vi-1, i is n-1, it is characterized in that：Containing the following step：
Step 1：Pass sequentially through n gear control line and be conveyed to multi gear speed motor n different gear signal, survey respectively meanwhile
When measuring the different gear signal of conveying n, corresponding n real-time voltage value U1, U2 on highest gear control line ...,
Ui ... Un, wherein, n real-time voltage value U1, U2 ..., Ui ... Un arranges according to from the most high-grade to the order of deep low gear,
This n real-time voltage value is the magnitude of voltage with respect to live wire；
Step 2：If V=is V n-1-V1；If U1 be magnitude of voltage U1, U2 ..., Ui ... the minimum of a value in Un, and U1 with electricity
Pressure value U1, U2 ..., Ui ... the difference between maximum in Un be more than V then it represents that multi gear speed motor highest gear drive
Wiring on coil is correct, proceeds step 3；If U1 be not magnitude of voltage U1, U2 ..., Ui ... the minimum of a value in Un,
Then represent the wiring error in multi gear speed motor highest gear driving coil, detection terminates；
Step 3：If Vi-1 ＜ Ui ＜ Vi is then it represents that the wiring in multi gear speed motor the i-th gear driving coil is correct, otherwise,
Represent the wiring error in multi gear speed motor the i-th gear driving coil；If Un ＞ V n-1 is then it represents that multi gear speed motor is minimum
Wiring in gear driving coil is correct, otherwise, represents the wiring error in multi gear speed motor lowest gear driving coil；
Step 4：Detection terminates.
3. a kind of multi-speed motor gear wrong detection method, to the n being connected to common-zero winding multi-tap multi gear speed motor
N gear control line in individual driving coil carries out wrong detection, and based on voltage mutual inductance technology, multi gear speed motor highest gear drives
Real-time voltage value on moving winding assumes a grade time variant voltage value with multi gear speed motor operational tapses difference, presses multi gear speed motor in advance
Turn ratio featured configuration voltage jump value V1, V2 of gear driving coil ..., Vi-1, Vi ..., V n-1, wherein, Vi ＞
The maximum of Vi-1, i is n-1, it is characterized in that：Containing the following step：
Step 1：Pass sequentially through n gear control line and be conveyed to multi gear speed motor n different gear signal, survey respectively meanwhile
When measuring the different gear signal of conveying n, corresponding n real-time voltage value U1, U2 on highest gear control line ...,
Ui ... Un, wherein, n real-time voltage value U1, U2 ..., Ui ... Un arranges to order the most high-grade according to from deep low gear,
This n real-time voltage value is the magnitude of voltage with respect to zero line；
Step 2：If V=is V n-1-V1；If Un be magnitude of voltage U1, U2 ..., Ui ... the maximum in Un, and Un with electricity
Pressure value U1, U2 ..., Ui ... the difference between minimum of a value in Un be more than V then it represents that multi gear speed motor highest gear drive
Wiring on coil is correct, proceeds step 3；If Un be not magnitude of voltage U1, U2 ..., Ui ... the maximum in Un,
Then represent the wiring error in multi gear speed motor highest gear driving coil, detection terminates；
Step 3：If Vi-1 ＜ Ui ＜ Vi is then it represents that the wiring in multi gear speed motor the i-th gear driving coil is correct, otherwise,
Represent the wiring error in multi gear speed motor the i-th gear driving coil；If U1 ＜ V 1 is then it represents that multi gear speed motor deep low gear
Wiring in the driving coil of position is correct, otherwise, represents the wiring error in multi gear speed motor lowest gear driving coil；
Step 4：Detection terminates.
4. a kind of realize claim 1 or the multi-speed motor gear of multi-speed motor gear wrong detection method described in 2 or 3 connects
Wrong detection means, containing central processing module, gear driving coil voltage detection module, gear output driving module and power supply mould
Block, contains microprocessor in central processing module, it is characterized in that：N drive circuit, micro- place is contained in gear output driving module
N gear signal output end of reason device is connected with n gear control line, in each drive circuit respectively by n drive circuit
Containing optical coupling isolator and bidirectional thyristor, the gear signal output end of microprocessor passes through optical coupling isolator and bidirectional thyristor
Connect, the main electrode of bidirectional thyristor is connected with gear control line again；First is contained in gear driving coil voltage detection module
Photoelectrical coupler and the second photoelectrical coupler, lowest gear control line or highest gear control line connect the first current-limiting resistance respectively
With one end of the second current-limiting resistance, the other end of the first current-limiting resistance is connected with the positive pole of the first diode, the second current-limiting resistance
The other end be connected with the positive pole of the second diode, the negative pole of the negative pole of the first diode and the second diode respectively with the first light
The positive pole of the transmitting tube of the positive pole of electric coupler transmitting tube and the second photoelectrical coupler connects, the transmitting tube of the first photoelectrical coupler
Negative pole and the negative pole of transmitting tube of the second photoelectrical coupler be connected with the zero line of multi gear speed motor power supply and live wire respectively,
The reception pipe of the reception pipe of the first photoelectrical coupler and the second photoelectrical coupler is defeated with two analog signals of microprocessor respectively
Enter end to connect；Power module is that central processing module, gear driving coil voltage detection module and gear output driving module supply
Electricity.
5. multi-speed motor gear wrong detection means according to claim 4, is characterized in that：Described
The 3rd diode and the 4th diode is also contained in gear driving coil voltage detection module；The negative pole of the 3rd diode with
The positive pole of the first photoelectrical coupler transmitting tube connects, and the negative pole of the positive pole of the 3rd diode and the first photoelectrical coupler transmitting tube is even
Connect；The negative pole of the 4th diode is connected with the positive pole of the second photoelectrical coupler transmitting tube, the positive pole of the 4th diode and the second light
The negative pole of electric coupler transmitting tube connects.
6. multi-speed motor gear wrong detection means according to claim 4, is characterized in that：Also contain gear signal inspection
Survey module, in gear signal detection module, contain n gear signal testing circuit, n gear control line passes through n gear signal
Testing circuit is connected with n gear detection signal input of microprocessor respectively；Contain in each gear signal testing circuit
Transformer, rectifier and voltage-stabiliser tube, gear control line is connected with the former limit of transformer, the secondary of transformer and the input of rectifier
End connects, and the output plus terminal of rectifier is connected with the gear detection signal input of microprocessor, and voltage-stabiliser tube is attempted by rectifier
Output plus terminal and negative terminal between；Power module is also powered for gear signal detection module.
7. multi-speed motor gear wrong detection means according to claim 4, is characterized in that：Also contain wireless telecommunications mould
Block, contains WIFI communication controller in wireless communication module, the communication port of microprocessor is connected with WIFI communication controller；Power supply
Module is also powered for wireless communication module.
8. multi-speed motor gear wrong detection means according to claim 4, is characterized in that：Described central processing module
In be connected with the display mouth of microprocessor containing display, memory and microprocessor monitors device, display, memory and Wei Chu
The data storage mouth of reason device connects, and the WDT output end of microprocessor is connected with the signal input part of microprocessor monitors device
Connect, the reset output terminal of microprocessor monitors device is connected with the reset terminal of microprocessor；Contain voltage in described power module to become
Parallel operation, voltage changer is output as central processing module, gear driving coil voltage detection module and gear output driving mould
Block is powered.
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| CN104934938B (en) * | 2015-06-03 | 2017-10-31 | 南京国电南自电网自动化有限公司 | A kind of tap changer of transformer gear validity check method |
| CN105115408B (en) * | 2015-10-07 | 2018-09-14 | 兰如根 | More gear identification circuits of two detection lines detection |
| CN105929282A (en) * | 2016-06-02 | 2016-09-07 | 国网宁夏电力公司吴忠供电公司 | Transformer tap position adjustment loop testing device |
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