CN106094705B

CN106094705B - Motor adjusting device, motor and adjusting method thereof

Info

Publication number: CN106094705B
Application number: CN201610466789.9A
Authority: CN
Inventors: 陈生; 吴超; 杜进; 温子健
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2016-06-22
Filing date: 2016-06-22
Publication date: 2018-10-30
Anticipated expiration: 2036-06-22
Also published as: CN106094705A

Abstract

The invention discloses a motor adjusting device, a motor and an adjusting method thereof, wherein the motor adjusting device comprises a multi-gear transformer, a voltage selecting module, a wind gear selecting module and a P L C controller, the multi-gear transformer is used for providing more than one test power supply for the motor, the voltage selecting module is used for selecting any one of the more than one test power supply to realize the switching of the test power supply, the wind gear selecting module is used for selecting any one of the more than one preset wind gear to realize the switching of the wind gear under the selected test power supply, and the P L C controller is used for controlling the voltage selecting module to switch the test power supply and controlling the wind gear selecting module to switch the wind gear.

Description

Motor adjusting device, motor and adjusting method thereof

Technical Field

The invention belongs to the technical field of air conditioners, and particularly relates to a motor adjusting device, a motor and an adjusting method thereof, in particular to a motor adjusting device, a motor and an adjusting method thereof, wherein the motor adjusting device, the motor and the adjusting method are used for a wind shield and a power supply in a motor temperature rise test process.

Background

The single-phase motor is a low-power single-phase asynchronous motor which is powered by a single-phase alternating current power supply (AC 220V). In the motor, a stator is generally provided with two-phase windings, and a rotor is of a common squirrel cage type; the distribution of the two-phase windings over the stator and the difference in the supply conditions can lead to different starting and operating characteristics.

A single-phase capacitance induction motor is designed into multi-gear wind speed by adopting a tapping mode (namely a speed regulation method of the single-phase capacitance motor), and the reliability of the single-phase capacitance induction motor needs to be judged according to the winding temperature rise of each wind speed gear. When a certain wind speed gear is tested in a specified time and the temperature rise test of the next wind speed gear is carried out, the wiring of the wind speed gear of the motor and the input power supply of the motor need to be manually adjusted, and the energy of designers is consumed.

In the prior art, the defects of large manual labor amount, low testing efficiency, poor accuracy and the like exist.

Disclosure of Invention

The invention aims to provide a motor adjusting device, a motor and an adjusting method thereof aiming at the defects, so as to solve the problem of large labor amount caused by manually adjusting the wiring of the wind speed gear of the motor and inputting a power supply to the motor in the prior art and achieve the effect of reducing the labor amount.

The invention provides an adjusting device of a motor, comprising: the device comprises a multi-gear transformer, a voltage selection module, a wind gear selection module and a PLC controller; the multi-gear transformer is used for providing more than one test power supply for the motor; the voltage selection module is used for selecting any one of the more than one test power supplies to realize the switching of the test power supplies; the wind shield selection module is used for selecting any one wind shield in more than one preset wind shield under the selected test power supply to realize the switching of the wind shields; the PLC is used for controlling the voltage selection module to switch the test power supply and controlling the wind gear selection module to switch the wind gear.

Optionally, the voltage selection module includes: 1 st to m voltage control relays, wherein m represents the number of the voltage control relays; the 1 st to m voltage control relays are used for realizing the switching of any one test power supply in the m test power supplies; each voltage control relay corresponds to one test power supply and is used for controlling the connection or disconnection of one test power supply under the control of the PLC.

Optionally, the gear selection module includes: 1 st to nth gear control relays, wherein n represents the number of the gear control relays; the 1 st to nth wind gear control relays are used for realizing the switching of any wind gear in the n wind gears; each wind gear control relay corresponds to one wind gear and is used for controlling the connection or the disconnection of the wind gear under the control of the PLC.

Optionally, the method further comprises: a transfer terminal plate; and the transfer wiring board is used for outputting the test power supply selected by the voltage selection module through a fixed output port.

Optionally, the method further comprises: a buzzer; the buzzer is used for outputting an alarm signal; correspondingly, the PLC is also used for closing the voltage selection module and the wind gear selection module and starting the buzzer when more than two test power supplies are selected simultaneously and/or when more than two wind gears are selected simultaneously.

Optionally, the buzzer includes: and the PLC is provided with a buzzer.

Optionally, the method further comprises: at least one of a safety module and a voltage stabilizing module; the safety module is used for protecting the multi-gear transformer; and the voltage stabilizing module is used for performing voltage stabilizing treatment on the selected test power supply.

Optionally, the insurance module includes: a self-healing fuse; the self-recovery fuse is used for disconnecting a loop where a primary coil of the multi-gear transformer is located when the current in the primary coil is larger than a preset current value; and restoring the loop until the current is smaller than the preset current value.

Optionally, the PLC controller includes: a PLC control panel; an operation button is adaptively arranged on the PLC control panel; the operation button is used for controlling at least one of the voltage selection module and the wind gear selection module according to the running mode of the motor.

In accordance with another aspect of the present invention, there is provided a motor including: the above-described motor adjusting device.

In another aspect, the present invention provides a method for adjusting a motor, including: selecting any one of more than one test power supply of the motor through the multi-gear transformer and the voltage selection module to realize the switching of the test power supply; under the selected test power supply, selecting any one of more than one wind gears through the wind gear selection module to realize the switching of the wind gears; and controlling the switching of the test power supply and/or controlling the switching of the wind gear through the PLC.

Optionally, the switching of the test power supply includes: when the voltage selection module comprises the 1 st to m voltage control relays, obtaining the running mode of the motor after determining that the 1 st to m voltage control relays are all in the off state, and determining the high voltage corresponding to the test voltage in the running mode; selecting one of the 1 st to m-th voltage control relays corresponding to the high voltage under the high voltage; and timing to switch on the selected one of the voltage control relays under the high voltage.

Optionally, the switching of the test power supply further includes: determining a low voltage corresponding to the test voltage in the operating mode; accordingly, when the timing time for turning on the selected one of the voltage control relays at the high voltage at the timing arrives, one of the 1 st to m-th voltage control relays corresponding to the low voltage is selected at the low voltage; and timing to switch on the selected one of the voltage control relays under the low voltage.

Optionally, the switching of the windshield comprises: when the wind gear selection module comprises the 1 st to nth wind gear control relays, determining that the 1 st to nth wind gear control relays are all in an off state, and then determining the highest wind gear and the lowest wind gear in more than one wind gear; selecting one of the 1 st to nth gear control relays corresponding to the highest gear; and timing to switch on one selected wind gear control relay under the highest wind gear.

Optionally, the switching of the windshield further comprises: determining the lowest wind gear in more than one wind gear; correspondingly, when the timing time for timing on of the selected one of the gear control relays under the highest gear reaches, the selected one of the gear control relays under the highest gear is turned off and timed; when the wind gear control relay selected under the highest wind gear is turned off and the timed timing time is up, selecting one wind gear control relay corresponding to the lowest wind gear from the 1 st to the nth wind gear control relays; and timing to switch on one selected wind gear control relay under the lowest wind gear.

Optionally, the switching of the windshield further comprises: and when the timing time for switching on the selected one of the wind gear control relays under the lowest wind gear in a timing manner reaches, switching off the selected one of the wind gear control relays under the lowest wind gear.

Optionally, the method further comprises: when the motor comprises the buzzer, when more than two test power supplies are selected simultaneously and/or more than two wind gears are selected simultaneously, the voltage selection module and the wind gear selection module are closed, and an alarm signal is output.

According to the scheme, the wiring adjustment and the input voltage adjustment of the motor in the temperature rise test process can be completed in one key through the switching of the multi-gear transformer and the control of the PLC; and the anti-adhesion protection is set by adopting PLC software, so that the condition that different wind speed gears are simultaneously electrified is avoided, and the reliability is high.

Furthermore, according to the scheme of the invention, the voltage regulation of the input power supply of the motor is realized by adopting a multi-gear transformer switching mode at the input power supply part of the motor, so that the regulation of the power supply voltage of the motor is more convenient and more reliable.

Furthermore, according to the scheme of the invention, the adhesion problem of simultaneous electrification of different gears caused by abnormal factors can be solved by a mode of controlling the relay through the PLC at the gear switching part of the motor.

Therefore, according to the scheme provided by the invention, automatic gear shifting is realized through the controller, automatic voltage regulation is realized through switching of the multi-gear transformer, and the problem of large manual labor amount caused by manually adjusting the wiring of the wind speed gear of the motor and the input power supply of the motor in the prior art is solved, so that the defects of large manual labor amount, low test efficiency and poor precision in the prior art are overcome, and the beneficial effects of small manual labor amount, high test efficiency and good precision are realized.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of an adjusting device of a motor according to the present invention;

fig. 2 is a schematic structural view of another embodiment of an adjusting device of the motor of the present invention;

FIG. 3 is a schematic structural diagram of an embodiment of a safety module, a multi-stage transformer, a voltage regulator module and a voltage selection module in the apparatus of the present invention;

FIG. 4 is a schematic structural diagram of an embodiment of a gear selection module and a motor load in the apparatus of the present invention;

FIG. 5 is a schematic structural diagram of an embodiment of a PLC control board in the apparatus of the present invention;

FIG. 6 is a flow chart of one embodiment of a method of regulating a motor of the present invention;

FIG. 7 is a flow chart of one embodiment of high pressure control in the method of the present invention;

FIG. 8 is a flow chart of one embodiment of low pressure control in the method of the present invention;

FIG. 9 is a flow chart of one embodiment of top-gear control in the method of the present invention;

FIG. 10 is a flowchart of an embodiment of lowest gear control in the method of the present invention.

The reference numbers in the embodiments of the present invention are as follows, in combination with the accompanying drawings:

100-an insurance module; 102-a multi-step transformer; 104-a voltage stabilizing module; 106-voltage selection module; 108-a transfer patch panel; 110-gear selection module; 112-motor load; 114-a PLC controller; 116-buzzer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

According to an embodiment of the present invention, there is provided an adjusting device for a motor, as shown in fig. 1, which is a schematic structural diagram of an embodiment of the adjusting device for a motor of the present invention. The adjusting device of the motor may include: a multi-range transformer 102, a voltage selection module 106, a wind range selection module 110, and a PLC controller 114.

In one example, the multi-step transformer 102 may be used to provide more than one test power source for the motor.

For example: the multi-gear transformer 102 can be a component, has a relatively small volume, and can freely move at any time according to the use requirement; unlike an intelligent power supply (e.g., an industrial device, which is bulky and needs to be fixed at a specific position), it cannot move freely.

The voltage regulating part adopts a multi-gear transformer switching mode, and can solve the problem of different voltage drops of secondary voltage of the transformer caused by different motor loads through a voltage stabilizing circuit (for example, a voltage stabilizing circuit consisting of a resistor and a capacitor).

For example: a multi-step transformer 102 may be used to switch the motor input power.

Therefore, a plurality of testing power supplies can be provided through the multi-gear transformer, great convenience is provided for continuously adjusting the input power supply of the motor in the motor temperature rise testing process, and the reliability and the accuracy of adjusting the input power supply of the motor are improved.

In an example, the voltage selection module 106 may be configured to select any one of the more than one test power supplies to implement switching of the test power supplies.

The motor gear switching part needs to solve the problem of adhesion of simultaneous electrification of different gears due to abnormal factors.

Therefore, through the voltage selection module, a plurality of test power supplies provided by the multi-gear transformer can be selectively output according to test requirements and test conditions in the motor temperature rise test, and the reliability and the safety of the input voltage of the motor for supplying power to the motor are improved.

Optionally, the voltage selection module 106 may include: 1 st to m voltage control relays, m indicating the number of the voltage control relays, see the example shown in fig. 3.

In a specific example, the 1 st to m-th voltage control relays may be configured to switch any one of the m test power supplies.

In a specific example, each of the voltage control relays corresponds to one of the test power supplies, and is used for controlling the on/off of one of the test power supplies under the control of the PLC controller 114.

For example: the voltage selection module 106 pulls in the xth relay k1x (for example, one of k 11-k 16, x represents the number of relays) corresponding to the high voltage control in the mode, and turns on the test voltage (for example, the corresponding test voltage in the interface table).

Therefore, through a plurality of voltage control relays arranged in parallel, under the control of the PLC, the automatic switching of the plurality of test power supplies is realized, so that the adjustment of the motor input power supply is more convenient and more accurate.

In an example, the gear selecting module 110 is configured to select any one of more than one preset gears under the selected test power, so as to implement switching of the gears.

Therefore, through the wind gear selection module, the motor gears can be adaptively switched according to the test requirements and test conditions in the motor temperature rise test, the switching efficiency is high, and the reliability and the safety are guaranteed.

Optionally, the gear selection module 110 may include: 1 st to nth gear control relays, n represents the number of the gear control relays, see the example shown in fig. 4.

In a specific example, the 1 st to nth gear control relays may be configured to switch any one of the n gears.

In a specific example, each of the windshield wiper relays, corresponding to one of the windguards, may be configured to control the on/off of one of the windguards under the control of the PLC controller 114.

For example: the gear selection module 110 (or wind speed selection module) relates to the relay K21/K22.

For example: when the PLC controller 114 detects that the xth relay k1x is pulled in, the wind speed selecting module (or wind speed selecting module) 110 first pulls in the highest wind speed controller, i.e. the first relay k 21.

From this, through a plurality of wind shelves control relay of parallel setting, under the control of PLC controller, realize the automatic switch-over of a plurality of wind shelves for it is more convenient to the switch-over of motor wind shelf, the amount of labour that has significantly reduced has improved the efficiency of motor temperature rise test.

In an example, the PLC controller 114 may be configured to control the voltage selection module 106 to switch the test power supply and control the windshield wiper selection module 110 to switch the windshield wiper.

For example: the PLC can be an independent control device and can be used only by being externally connected with a load, so that the use convenience is good; unlike MCU controller (for example, one chip, such as monolithic computer, PCB hardware board and peripheral circuit of chip), it needs peripheral circuit.

For example: the operation of the motor temperature rise test can be completed by one key.

Therefore, the voltage selection module and the wind gear selection module are controlled by the PLC, the adjustment of the input power supply of the motor and the switching of the wind gear of the motor are realized, the control mode is flexible, the amount of manual labor is greatly reduced, and the efficiency and the effect of testing the temperature rise of the motor are improved.

Optionally, the PLC controller 114 may include: and a PLC control panel.

In a specific example, an operation button may be adapted to be provided on the PLC control board, see an example shown in fig. 5.

For example: using the PLC controller 114, 4 selection buttons (e.g., button 1, button 2, button 3, and button 4 disposed on the PLC control board) are designed to represent different test modes, each corresponding to two different test voltages.

In a specific example, the operation button may be used to control at least one of the voltage selection module 106 and the gear selection module 110 according to an operation mode of the motor.

For example: the operation buttons in the corresponding operation modes can finish the wiring adjustment and the motor input voltage adjustment in the motor temperature rise test process by one key.

For example: through the buttons 1 to 4, selection can be carried out according to the type of the air conditioner and the nominal power supply of the nameplate, and voltage regulation and gear shifting operations are completed by one key.

From this, through setting up the operating button on the PLC control panel, can make things convenient for the selection of specific operation mode and test demand in the motor temperature rise test procedure more, the operation is simple and convenient, and the reliability is high.

In an alternative embodiment, the method may further include: a relay board 108, see the examples shown in fig. 2 and 3.

In one example, the transfer terminal block 108 may be configured to output the test power selected by the voltage selection module 106 through a fixed output port.

For example: the transfer terminal block 108 may include: and the terminal selects one more from the motor input power supply. Since the transformer secondary circuit is a plurality of voltages, any one of the voltages can be supplied to the motor (e.g., motor load 112) through the relay terminal block 108.

For example: in the voltage regulating part in the motor temperature rise test process, any voltage of the secondary circuit of the transformer is transferred and provided for the motor through the transfer wiring board 108.

Therefore, the multiple test power supplies can be uniformly output through the transfer wiring board, so that the power supply reliability and safety in the motor input power supply adjusting process are well guaranteed, and the reliability and safety in the motor temperature rise testing process are favorably improved.

In an alternative embodiment, the method may further include: buzzer 116, see the examples described in fig. 2 and 5.

In one example, the buzzer 116 may be used to output an alarm signal.

Accordingly, the PLC controller 114 may be further configured to turn off the voltage selection module 106 and the wind range selection module 110 and turn on the buzzer 116 when two or more test power sources are simultaneously selected and/or when two or more wind ranges are simultaneously selected.

For example: in the motor gear switching part in the motor temperature rise test process, the adhesion problem of simultaneous electrification of different gears caused by abnormal factors can be solved through the PLC 114 and the buzzer 116.

Therefore, the PLC and the buzzer are used for adjusting the input power supply of the motor and monitoring the switching of the wind gear of the motor, and the power failure and the alarm are carried out when the fault occurs, so that the reliability and the safety of the temperature rise test process of the motor are further ensured.

Optionally, the buzzer 116 may include: and the PLC is provided with a buzzer.

For example: and PLC software is adopted to set anti-adhesion protection, so that the situation that different wind speed gears are electrified simultaneously is avoided.

From this, report to the police through the bee calling organ that uses the PLC controller to take certainly, can simplify hardware structure, and then be favorable to promoting accurate nature and the reliability of motor temperature rise test.

In an alternative embodiment, the method may further include: at least one of the insurance module 100 and the voltage stabilization module 104 is shown in fig. 2 and 3.

In one example, the safety module 100 may be used to protect the multi-step transformer 102.

Optionally, the insurance module 100 may include: a self-healing fuse.

In a specific example, the self-recovery fuse may be configured to disconnect a loop in which a primary coil of the multi-stage transformer 102 is located when a current in the primary coil is greater than a preset current value; and restoring the loop until the current is smaller than the preset current value. Through the self-recovery fuse, the circuit can be automatically recovered after the fault is eliminated, and the reliability and the safety of the circuit work are improved.

For example: the self-recovery fuse is a recovery PTC fuse tube.

Therefore, the input signal source of the primary coil of the multi-gear transformer can be detected through the safety module, the primary coil of the multi-gear transformer is protected, the reliability and the safety of the adjusting process of the input power supply of the motor are improved, and the safety module is humanized.

In one example, the voltage regulation module 104 may be configured to regulate the selected test power supply.

For example: in the voltage regulating part in the motor temperature rise test process, the voltage drop difference caused by different motor loads of the secondary voltage of the transformer can be solved through the voltage stabilizing module 104.

For example: the voltage stabilizing module 104 may include: the circuit is composed of a resistor and a capacitor.

From this, through voltage stabilizing module, can promote the accurate nature of adjusting motor input power, and then be favorable to promoting the reliability of motor temperature rise test, user experience is good.

Through a large number of tests, the technical scheme of the embodiment is adopted, and the wiring adjustment and the input voltage adjustment of the motor in the temperature rise test process can be completed in one key through the switching of the multi-gear transformer and the control of the PLC; and the anti-adhesion protection is set by adopting PLC software, so that the condition that different wind speed gears are simultaneously electrified is avoided, and the reliability is high.

According to an embodiment of the invention, there is also provided a motor corresponding to the adjustment device of the motor. The motor may include: the above-described motor adjusting device.

In one example, referring to the examples shown in fig. 3 to 5, a multi-step transformer 102 may be used to switch the input power of the motor, and a voltage stabilizing module 104, a voltage selecting module 106, a relay terminal board 108, and a wind gear selecting module 108 form a hardware circuit. Using the PLC controller 114, 4 selection buttons are designed (for example:

button 1, button 2, button 3 and button 4) of setting on the PLC control panel, represent different test mode respectively, each test mode all corresponds two kinds of different test voltages of height.

In one example, the buttons 1 to 4 can be selected according to the type of the air conditioner and the nominal power supply of the nameplate, and the voltage regulation and gear shifting operation can be completed by one key, and the specific operation process can be as follows:

step 1, when any selection button (for example, any button from button 1 to button 4) is pressed, according to an interface table (for example, the interface table of a PLC control board, see the following table), the voltage selection module 106 controls the x-th relay k1x (for example, one of k11 to k16, where x represents the number of relays) to pull in the high voltage control mode, turns on the test voltage (for example, the corresponding test voltage in the interface table), and then performs the following operations from step 1 to step 3.

Interface meter of PLC control panel

Step 1, when the PLC controller 114 detects that the xth relay k1x is pulled in, the wind speed selecting module (or wind speed selecting module) 110 first pulls in the highest wind speed controller, i.e. the first relay k 21.

In step 2, after the first relay k21 is closed for a first preset time (for example, 2 hours), the first relay k21 is opened for a second preset time (for example, 3 seconds in total), and then the lowest wind speed gear controller, that is, the second relay k22 is closed.

In the step 3, the second relay K22 is closed for a third preset time (for example, after 4 hours), and both the first relay K21 and the second relay K22 are turned off.

For example: the third preset time is longer than the first preset time, and the first preset time is longer than the second preset time.

Step 2, the high voltage controller relay k1x is turned off after being turned on for a fourth preset time (for example, 4 hours), and then the corresponding low voltage controller relay in the mode is turned on (see the examples shown in fig. 3 and 4),

for example: the mode can be as follows: a high-end high-voltage mode; a high-end low-voltage mode; a low-end high-voltage mode; low range low voltage mode.

And repeating the steps from the step 1 to the step 3, and then opening all the relays (such as the voltage control relay k1x and the gear control relay k2x) to finish the motor temperature rise test.

For example: the temperature rise of the motor is generally only tested at the highest gear and the lowest gear, and the middle two gears are not tested, so that two relays control two wind gears (the highest gear and the lowest gear). The middle two dampers were not tested and the outlets of the dampers were secured using terminal block XT 1.

For example: the fourth preset time is not less than the third preset time.

In one example, the PLC controller 114 may set that when detecting that the relay k1x of the voltage selection module 106 or the relay k2x of the wind speed selection module (or wind speed selection module) 110, more than two relays of the same module (e.g., the voltage selection module 106, the wind speed selection module 110, etc.) are simultaneously engaged, the PLC controller may sound through the buzzer 116 (e.g., the PLC self-contained buzzer) and turn off all the relays (e.g., k1x, k2 x).

From this, this motor through the adjusting device who uses the motor, can realize that a key can accomplish motor temperature rise test operation.

Since the processes and functions implemented by the motor of this embodiment substantially correspond to the embodiments, principles and examples of the devices shown in fig. 1 to 5, the description of this embodiment is not detailed, and reference may be made to the related descriptions in the foregoing embodiments, which are not repeated herein.

Through a large number of tests, the technical scheme of the invention is adopted, and a multi-gear transformer switching mode is adopted at the input power supply part of the motor, so that the voltage regulation of the input power supply of the motor is realized, and the regulation of the power supply voltage of the motor is more convenient and reliable.

According to an embodiment of the present invention, there is also provided a motor adjusting method corresponding to the motor, as shown in fig. 6, which is a flowchart of an embodiment of the motor adjusting method of the present invention. The motor adjusting method may include:

in step S110, any one of the more than one test power supplies of the above-mentioned motor is selected through the multi-step transformer 102 and the voltage selection module 106, so as to implement switching of the test power supplies.

In step S110, the switching of the test power supply may be controlled by the PLC controller 114.

A specific process of switching the test power supply in step S110 is further described with reference to a flowchart of an embodiment of high voltage control in the method of the present invention shown in fig. 7.

Step S210, when the voltage selection module 106 includes the 1 st to m-th voltage control relays, after determining that the 1 st to m-th voltage control relays are all in the off state, obtaining an operation mode of the motor, and determining a high voltage corresponding to the test voltage in the operation mode.

Step S220 of selecting one of the 1 st to m-th voltage control relays corresponding to the high voltage under the high voltage;

and step S230, timing to switch on one selected voltage control relay under the high voltage.

For example: when any selection button (for example, any button from the button 1 to the button 4) is pressed, the voltage selection module 106 controls the xth relay k1x (for example, one of k11 to k16, where x represents the number of relays) to pull in the corresponding mode according to an interface table (for example, the interface table of the PLC control board, see the following table), and turns on the test voltage (for example, the corresponding test voltage in the interface table).

Interface meter of PLC control panel

Another specific process of switching the test power supply in step S110 is further described below with reference to a flowchart of an embodiment of the low voltage control in the method of the present invention shown in fig. 8.

Step S310, determining a low voltage corresponding to the test voltage in the running mode;

step S320, correspondingly, when the timing time for turning on the selected one of the voltage control relays under the high voltage in the timing manner in step S230 reaches, selecting one of the voltage control relays 1 to m corresponding to the low voltage under the low voltage;

and step S330, timing to switch on the selected one voltage control relay under the low voltage.

For example: the high-voltage controller relay k1x is switched off after being switched on for a fourth preset time (for example, 4 hours), then the corresponding low-voltage controller relay (see the examples shown in fig. 3 and fig. 4) in the mode is switched on, the steps 1 to 3 are repeated, then all the relays (for example, the voltage control relay k1x and the gear control relay k2x) are switched off, and the motor temperature rise test is finished.

In step S120, under the selected test power, the windshield wiper selection module 110 selects any windshield wiper of the at least one windshield wiper to switch the windshield wiper.

In step S120, the PLC controller 114 may control the switching of the windshield wiper.

A specific process of switching the gear of the motor in step S120 is further described with reference to a flowchart of an embodiment of the highest gear control in the method of the present invention shown in fig. 9.

Step S410, when the wind level selection module 110 includes the 1 st to nth wind level control relays, determining that the 1 st to nth wind level control relays are all in an off state, and then determining a highest wind level and a lowest wind level of the more than one wind levels.

Step S420, selecting one of the 1 st to nth gear control relays corresponding to the highest gear.

And step S430, timing to switch on the selected one of the wind gear control relays under the highest wind gear.

Another specific process of switching the gear of the motor in step S120 is further described below with reference to a flowchart of an embodiment of lowest gear control in the method of the present invention shown in fig. 10.

And step S510, determining the lowest wind gear in more than one wind gears.

Correspondingly, in step S520, when the timing time for turning on the selected one of the gear control relays under the highest gear in the timing manner in step S430 reaches, turning off the selected one of the gear control relays under the highest gear and timing.

Step S530, when the selected one of the wind gear control relays under the highest wind gear is turned off and the timed time is reached, selecting one of the 1 st to nth wind gear control relays corresponding to the lowest wind gear.

And step S540, timing to switch on the selected one wind gear control relay under the lowest wind gear.

For example: after the first relay k21 is engaged for a first preset time (e.g., 2 hours), the first relay k21 is turned off for a second preset time (e.g., 3 seconds in total), and then the second relay k22, which is the lowest wind speed gear controller, is engaged.

In an optional example, the switching the wind gear of the motor in step S120 may further include: and when the timing time for switching on the selected one of the wind gear control relays under the lowest wind gear in a timing manner reaches, switching off the selected one of the wind gear control relays under the lowest wind gear.

For example: the second relay K22 is pulled in for a third preset time (for example, after 4 hours), and the first relay K21 and the second relay K22 are both turned off.

In an alternative embodiment, combining step S110 and step S120, the method may further include: when the motor includes the buzzer 116, when two or more test power supplies are simultaneously selected, and/or when two or more wind ranges are simultaneously selected, the voltage selection module 106 and the wind range selection module 110 are turned off, and an alarm signal is output.

For example: in one example, the PLC controller 114 may set that when detecting that the relay k1x of the voltage selection module 106 or the relay k2x of the wind speed selection module (or wind speed selection module) 110, more than two relays of the same module (e.g., the voltage selection module 106, the wind speed selection module 110, etc.) are simultaneously engaged, the PLC controller may sound through the buzzer 116 (e.g., the PLC self-contained buzzer) and turn off all the relays (e.g., k1x, k2 x).

Since the processing and functions implemented by the method of this embodiment substantially correspond to the embodiments, principles and examples of the motor, reference may be made to the related descriptions in the foregoing embodiments without being detailed in the description of this embodiment, which is not described herein.

Through a large number of tests, the technical scheme of the invention can solve the problem of adhesion of simultaneous electrification of different gears caused by abnormal factors in a mode of controlling the relay by the PLC at the gear switching part of the motor.

In summary, it is readily understood by those skilled in the art that the advantageous modes described above can be freely combined and superimposed without conflict.

The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An adjustment device for an electric machine, comprising: the system comprises a multi-gear transformer (102), a voltage selection module (106), a wind gear selection module (110) and a PLC (programmable logic controller) (114); wherein,

the multi-gear transformer (102) is used for providing more than one test power supply for the motor;

the voltage selection module (106) is used for selecting any one of more than one test power supplies to realize the switching of the test power supplies;

the wind shield selection module (110) is used for selecting any one wind shield of more than one preset wind shields under the selected test power supply to realize the switching of the wind shields;

the PLC controller (114) is used for controlling the voltage selection module (106) to switch the test power supply and controlling the wind gear selection module (110) to switch the wind gear.

2. The apparatus of claim 1, wherein the voltage selection module (106) comprises: 1 st to m voltage control relays, wherein m represents the number of the voltage control relays;

the 1 st to m voltage control relays are used for realizing the switching of any one test power supply in the m test power supplies;

each voltage control relay corresponds to one test power supply and is used for controlling the connection or disconnection of one test power supply under the control of the PLC (114).

3. The device according to claim 1 or 2, characterized in that said gear selection module (110) comprises: 1 st to nth gear control relays, wherein n represents the number of the gear control relays;

the 1 st to nth wind gear control relays are used for realizing the switching of any wind gear in the n wind gears;

each wind gear control relay corresponds to one wind gear and is used for controlling the connection or the disconnection of one wind gear under the control of the PLC (114).

4. The apparatus of claim 1 or 2, further comprising: a transfer terminal plate (108);

the transfer terminal board (108) is used for outputting the test power supply selected by the voltage selection module (106) through a fixed output port.

5. The apparatus of claim 3, further comprising: a transfer terminal plate (108);

6. The apparatus of any one of claims 1, 2, and 5, further comprising: a buzzer (116);

the buzzer (116) is used for outputting an alarm signal;

correspondingly, the PLC controller (114) is also used for turning off the voltage selection module (106) and the wind gear selection module (110) and starting the buzzer (116) when more than two test power supplies are selected simultaneously and/or when more than two wind gears are selected simultaneously.

7. The apparatus of claim 3, further comprising: a buzzer (116);

the buzzer (116) is used for outputting an alarm signal;

8. The apparatus of claim 4, further comprising: a buzzer (116);

the buzzer (116) is used for outputting an alarm signal;

9. The device according to claim 6, wherein the buzzer (116) comprises: and the PLC is provided with a buzzer.

10. The device according to claim 7 or 8, characterized in that said buzzer (116) comprises: and the PLC is provided with a buzzer.

11. The apparatus of any one of claims 1, 2, 5, 7-9, further comprising: at least one of a fuse module (100) and a voltage stabilization module (104); wherein,

the insurance module (100) is used for protecting the multi-gear transformer (102);

and the voltage stabilizing module (104) is used for performing voltage stabilizing treatment on the selected test power supply.

12. The apparatus of claim 3, further comprising: at least one of a fuse module (100) and a voltage stabilization module (104); wherein,

13. The apparatus of claim 4, further comprising: at least one of a fuse module (100) and a voltage stabilization module (104); wherein,

14. The apparatus of claim 6, further comprising: at least one of a fuse module (100) and a voltage stabilization module (104); wherein,

15. The apparatus of claim 10, further comprising: at least one of a fuse module (100) and a voltage stabilization module (104); wherein,

16. The device according to claim 11, characterized in that said safety module (100) comprises: a self-healing fuse;

the self-recovery fuse is used for disconnecting a loop where a primary coil of the multi-gear transformer (102) is located when the current in the primary coil is larger than a preset current value; and restoring the loop until the current is smaller than the preset current value.

17. The device according to claims 12-15, characterized in that the insurance module (100) comprises: a self-healing fuse;

18. The apparatus of one of claims 1, 2, 5, 7-9, 12-16, wherein the PLC controller (114) comprises: a PLC control panel;

an operation button is adaptively arranged on the PLC control panel;

the operation button is used for controlling at least one of the voltage selection module (106) and the wind gear selection module (110) according to the running mode of the motor.

19. The apparatus of claim 3, wherein the PLC controller (114) comprises: a PLC control panel;

an operation button is adaptively arranged on the PLC control panel;

20. The apparatus of claim 4, wherein the PLC controller (114) comprises: a PLC control panel;

an operation button is adaptively arranged on the PLC control panel;

21. The apparatus of claim 6, wherein said PLC controller (114) comprises: a PLC control panel;

an operation button is adaptively arranged on the PLC control panel;

22. The apparatus of claim 10, wherein the PLC controller (114) comprises: a PLC control panel;

an operation button is adaptively arranged on the PLC control panel;

23. The apparatus of claim 11, wherein said PLC controller (114) comprises: a PLC control panel;

an operation button is adaptively arranged on the PLC control panel;

24. The apparatus of claim 17, wherein said PLC controller (114) comprises: a PLC control panel;

an operation button is adaptively arranged on the PLC control panel;

25. An electric machine, comprising: an adjustment device for an electrical machine as claimed in any one of claims 1-24.

26. A method of regulating an electric machine, comprising:

selecting any one of the more than one test power supply of the motor of claim 25 by the multi-step transformer (102) and the voltage selection module (106) to effect switching of the test power supply;

under the selected test power supply, selecting any one of more than one wind gears through the wind gear selection module (110) to realize the switching of the wind gears;

wherein,

controlling, by the PLC controller (114), switching of the test power supply, and/or controlling switching of the windshield.

27. The method of claim 26, wherein switching the test power supply comprises:

when the voltage selection module (106) comprises the 1 st to m-th voltage control relays, after the 1 st to m-th voltage control relays are all determined to be in an off state, obtaining an operation mode of the motor, and determining a high voltage corresponding to a test voltage in the operation mode;

selecting one of the 1 st to m-th voltage control relays corresponding to the high voltage under the high voltage;

and timing to switch on the selected one of the voltage control relays under the high voltage.

28. The method of claim 27, wherein switching the test power supply further comprises:

determining a low voltage corresponding to the test voltage in the operating mode;

accordingly, when the timing time for turning on the selected one of the voltage control relays at the high voltage at the timing arrives, one of the 1 st to m-th voltage control relays corresponding to the low voltage is selected at the low voltage;

and timing to switch on the selected one of the voltage control relays under the low voltage.

29. The method of any one of claims 26 to 28, wherein switching the gear comprises:

when the wind gear selection module (110) comprises the 1 st to nth wind gear control relays, determining that the 1 st to nth wind gear control relays are all in an off state, and then determining the highest wind gear and the lowest wind gear in more than one wind gear;

selecting one of the 1 st to nth gear control relays corresponding to the highest gear;

and timing to switch on one selected wind gear control relay under the highest wind gear.

30. The method of claim 29, wherein the switching of the gear further comprises:

determining the lowest wind gear in more than one wind gear;

correspondingly, when the timing time for timing on of the selected one of the gear control relays under the highest gear reaches, the selected one of the gear control relays under the highest gear is turned off and timed;

when the wind gear control relay selected under the highest wind gear is turned off and the timed timing time is up, selecting one wind gear control relay corresponding to the lowest wind gear from the 1 st to the nth wind gear control relays;

and timing to switch on one selected wind gear control relay under the lowest wind gear.

31. The method of claim 30, wherein the switching of the gear further comprises:

and when the timing time for switching on the selected one of the wind gear control relays under the lowest wind gear in a timing manner reaches, switching off the selected one of the wind gear control relays under the lowest wind gear.

32. The method of any one of claims 26-28, 30, 31, further comprising:

when the motor comprises the buzzer (116), when more than two test power supplies are selected simultaneously and/or when more than two windscreens are selected simultaneously, the voltage selection module (106) and the windscreen selection module (110) are closed, and an alarm signal is output.

33. The method of claim 29, further comprising: