CN106685150B - Double-voltage power supply standard permanent magnet synchronous motor and automatic production method - Google Patents
Double-voltage power supply standard permanent magnet synchronous motor and automatic production method Download PDFInfo
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- CN106685150B CN106685150B CN201611114822.8A CN201611114822A CN106685150B CN 106685150 B CN106685150 B CN 106685150B CN 201611114822 A CN201611114822 A CN 201611114822A CN 106685150 B CN106685150 B CN 106685150B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/0056—Manufacturing winding connections
- H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
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Abstract
The invention discloses a standard permanent magnet synchronous motor with double voltage power supply and an automatic production method, wherein a coil framework is respectively wound with a thick-wire-diameter coil formed by winding a first-wire-diameter copper wire and a thin-wire-diameter coil formed by winding a second-wire-diameter copper wire; the second end of the first-diameter copper wire and the first end of the second-diameter copper wire are electrically wound on the low-voltage wiring needle through automatic winding operation to realize electric connection, and the thick-diameter coil and the thin-diameter coil are connected in series to form a first high-voltage combined coil used in a combined way; the invention provides a permanent magnet synchronous motor with standard specification and size of double-voltage power supply, which reduces the use amount of copper wires while realizing automatic production, improves the production efficiency, reduces the production cost, solves the wire breakage phenomenon in the winding process, ensures that the coil in the wire slot does not exceed the safety position, meets the safety requirement of the creepage distance, does not block the installation of the power supply lead, meets the installation requirement of the power supply lead, meets the motor performance requirement, and comprehensively solves various problems.
Description
Technical Field
The invention relates to the technical field of double-voltage power supply standard permanent magnet synchronous motors, in particular to a low-cost double-voltage power supply standard permanent magnet synchronous motor and an automatic production method.
Background
In the prior art, a motor is provided with two types of single-voltage power supply and double-voltage power supply, the motor with double-voltage power supply is characterized in that two groups of coils with different wire diameters are wound in a wire slot of a coil framework at the same time, in order to meet the performance requirement of the motor, the two groups of coils are independently arranged in the same wire slot, no electric connection relation exists between the two groups of coils, the two groups of coils are separated and independently used, the wire diameters and the number of turns of the two groups of coils in the wire slot are different and are used for respectively providing different power supply voltages, one group of thick-wire coils is used for electrically connecting low voltage (rated voltage is 110V), a thick-wire-diameter copper wire with small resistance and large current is required to be used for providing larger power, the other group of thin-wire-diameter coils are used for electrically connecting high voltage (rated voltage is 220V), the two voltage value differences of double-voltage driving are relatively large, a thin-wire-diameter copper wire with large resistance is generally selected based on the comprehensive consideration of cost and coil installation space, and the following disadvantages exist, firstly, the copper wire is used more, and the cost of the permanent magnet synchronous motor is high; secondly, the yield in the production process is very low, the wire breakage is not easy in the wire winding process, the wire breakage proportion is about 20-30%, and the wire breakage can only be subjected to waste treatment; therefore, the winding operation can only realize semi-automatic production, and is difficult to realize full-automatic production; thirdly, the production process requires more manual manufacturing steps, and the production cost is high.
The permanent magnet synchronous motor is a special motor in motors, the size of the motor can be changed arbitrarily by a manufacturing enterprise, and double-voltage power supply can be realized. However, the use and application of the non-standard-sized permanent magnet synchronous motor are limited, and the standard-sized permanent magnet synchronous motor is generally selected by purchasing enterprises and technical developers of the enterprises, so that the market demand of the non-standard-sized permanent magnet synchronous motor is small. In addition, the production of non-standard sizes represents that the components of the production mould, the gear, the needle shaft, the shell, various hardware parts and the like of the motor production enterprises are different from those of the permanent magnet synchronous motors with standard sizes, and the production cost is necessarily high.
Therefore, the current standard-size permanent magnet synchronous motor is powered by the same single voltage, and no dual-voltage power supply cannot be realized, because the size of the coil bobbin of the standard-size permanent magnet synchronous motor and the depth of the wire slot are fixed, and the size of the permanent magnet synchronous motor is limited by the sizes of the inner diameter and the outer diameter of the motor, namely the total installation space of the coil is fixed and very limited.
Then, to realize dual-voltage power supply for the permanent magnet synchronous motor with standard specification and size, the following two possible technical schemes exist:
According to the first scheme, on the premise that the performance requirement of a motor is met, coils of two groups of copper wires with different wire diameters are wound on a wire slot, the depth of the wire slot is insufficient, the coils in the wire slot are overfull, the outer edges of the coils are close to the wire slot or exceed the outer part of the wire slot, the coils are not allowed, firstly, a power supply lead cannot be installed on a coil frame, the production process cannot be implemented, secondly, the creepage distance cannot meet the requirement, an electric arc is generated in the operation process of the motor, potential safety hazards exist, and thirdly, 3 technical problems existing in the traditional double coils exist.
In the second scheme, the two groups of coils are wound by copper wires with fine wire diameters, but the two groups of coils cannot meet the performance requirement of a motor, the performance requirement of the motor is an important index of purchasing the motor by a motor purchasing enterprise, and the motor purchasing enterprise cannot purchase the motor which does not meet the performance requirement.
The feasibility, motor performance and production cost are comprehensively considered in the realization of the double-voltage power supply of the permanent magnet synchronous motor with standard specification and size, and are three factors which are contradictory and conflicting, so that improvement is needed.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an automatic production method of a permanent magnet synchronous motor with low cost, double voltage power supply and standard specification and size, which is easy to implement automatic production, has high yield, meets the performances of the permanent magnet synchronous motor in all aspects, and reduces the cost in many aspects.
Aiming at the defects in the prior art, the invention further aims to provide a standard-specification-size permanent magnet synchronous motor with low-cost double-voltage power supply, which has the advantages of simple structure, double-voltage driving, strong universality and low production cost.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows.
The automatic production method of the double-voltage power supply standard permanent magnet synchronous motor comprises a component production step, a coil framework manufacturing step and an assembly step, wherein the coil framework manufacturing step comprises the following steps,
providing at least a first-diameter copper wire and a second-diameter copper wire by one automatic winding machine, or providing the first-diameter copper wire and the second-diameter copper wire by two automatic winding machines respectively, wherein the wire diameter of the selected first-diameter copper wire is larger than that of the selected second-diameter copper wire;
installing a wiring needle, and at least inserting a common wiring needle, a low-voltage wiring needle and a first high-voltage wiring needle into a wiring table of the coil framework;
winding a thick-diameter coil, automatically providing a first-diameter copper wire for automatic winding by an automatic winding machine, automatically winding the thick-diameter coil in a wire slot of a coil framework, and electrically winding a first end of the first-diameter copper wire on a common wiring needle of the coil framework and a second end of the first-diameter copper wire on a low-voltage wiring needle of the coil framework;
The method comprises the steps of winding a fine wire diameter coil, automatically providing a second wire diameter copper wire for automatic winding through an automatic winding machine, automatically winding the fine wire diameter coil in a wire slot of a coil framework, and electrically winding a first end of the second wire diameter copper wire on a common wiring needle of the coil framework and a second end of the second wire diameter copper wire on a first high-voltage wiring needle of the coil framework;
installing a power supply lead, wherein the public wiring needle, the low-voltage wiring needle and the first high-voltage wiring needle are respectively and electrically connected with a power supply lead;
the power supply lead wire of the electric connection public connection needle and the power supply lead wire of the electric connection low-voltage connection needle form a low-voltage connection group, the low-voltage connection group is used for being connected with a low-voltage power supply, the thick-wire coil forms an independently used low-voltage working coil, and the low-voltage power supply is provided for the low-voltage working coil through the low-voltage connection group;
the power supply lead wire of the electric connection public connection needle and the power supply lead wire of the electric connection first high-voltage connection needle form a first high-voltage connection group, which is used for being connected with a first high-voltage power supply, a first high-voltage combination coil used in combination is formed by connecting a thick-wire-diameter coil and a thin-wire-diameter coil in series, and the first high-voltage power supply is provided for the first high-voltage combination coil through the first high-voltage connection group;
And finishing the coil skeleton manufacturing step.
In a further technical scheme, in the step of manufacturing the coil skeleton, the step of winding the coil with a large diameter is firstly performed, and then the step of winding the coil with a small diameter is performed, wherein,
in the step of winding the large-diameter coil, first, the first end of the first-diameter copper wire is electrically wound on the public wiring pin; then, winding a first-diameter copper wire in the wire slot, forming a thick-diameter coil at the bottom of the wire slot, wherein the thick-diameter coil has a set thickness in the radial direction of the coil skeleton; after the winding of the large-diameter coil is completed, the second end of the first-diameter copper wire is electrically wound on the low-voltage wiring pin; providing a low-voltage power supply to the large-diameter coil through the low-voltage wiring group;
automatic wire replacement, wherein an automatic wire winding machine automatically cuts off the first-diameter copper wire and stops providing the first-diameter copper wire, and the automatic wire winding machine automatically provides the second-diameter copper wire;
in the step of winding the fine-wire-diameter coil, the first end of the second-wire-diameter copper wire is electrically wound on the low-voltage wiring pin, and the second end of the first-wire-diameter copper wire is electrically connected with the first end of the second-wire-diameter copper wire only through automatic winding operation;
Directly winding a second wire diameter copper wire on the outer edge of the low-voltage working coil in the wire slot, and directly winding a fine wire diameter coil in an annular section of the outer edge of the thick wire diameter coil in the wire slot, so that a fine wire diameter coil is formed on the outer layer of the low-voltage working coil, and the fine wire diameter coil has a set thickness in the radial direction of the coil framework;
winding a second end of a second wire diameter copper wire on the first high-voltage wiring pin electrically, so that a thick wire diameter coil and a thin wire diameter coil are connected in series to form a first high-voltage combined coil;
the automatic winding machine automatically cuts off the second wire diameter copper wire and stops providing the second wire diameter copper wire, thereby completing the automatic winding operation of the coil.
In a further technical scheme, a plurality of copper wire straight grooves of the upper and lower inertial pass-through wiring tables and lead wire straight grooves of the upper and lower inertial pass-through wiring tables are formed in the outer side edge of the wiring tables, so that full automation of winding operation is realized;
in the step of winding the large-diameter coil, the first end and the second end of the first-diameter copper wire are respectively placed from the notch of the corresponding copper wire straight slot and are penetrated into the corresponding copper wire straight slot;
in the step of winding the fine-wire-diameter coil, the first end and the second end of the second-wire-diameter copper wire are respectively placed from the notch of the corresponding copper wire straight slot and are penetrated into the corresponding copper wire straight slot;
In the step of installing the power supply leads, each power supply lead is respectively placed from the notch of the corresponding lead straight groove and respectively penetrates through the corresponding lead straight groove.
In a further technical scheme, a second high-voltage wiring needle is inserted into a wiring table of the coil framework, the coil framework manufacturing step comprises the step of winding an outer layer of thin-wire-diameter coil,
automatically providing a third-wire-diameter copper wire for automatic winding through an automatic winding machine, electrically winding a first end of the third-wire-diameter copper wire on the first high-voltage wiring needle of the coil framework, automatically winding an outer-layer fine-wire-diameter coil in a wire slot of the coil framework, directly winding the outer-layer fine-diameter coil in an annular section of the outer edge of the fine-wire-diameter coil in the wire slot, and enabling the outer-layer fine-diameter coil to have a set thickness in the radial direction of the coil framework; finally, the second end of the third-wire-diameter copper wire is electrically wound on a second high-voltage wiring pin;
the second high-voltage wiring pin is electrically connected with a power supply lead, and the power supply lead electrically connected with the public wiring pin and the power supply lead electrically connected with the second high-voltage wiring pin form a second high-voltage wiring group for accessing a second high-voltage power supply;
the thick-wire-diameter coil, the thin-wire-diameter coil and the outer-layer thin-diameter coil are sequentially connected in series to form a second high-voltage combined coil used in a combined mode, and a second high-voltage power supply is provided for the second high-voltage combined coil through the second high-voltage wiring group.
The double-voltage power supply standard permanent magnet synchronous motor comprises a coil framework, wherein a wiring platform of the coil framework is at least inserted with a public wiring needle, a low-voltage wiring needle and a first high-voltage wiring needle, the public wiring needle, the low-voltage wiring needle and the first high-voltage wiring needle are respectively and electrically connected with a power supply lead, at least two groups of inner and outer coils are wound in a wire slot of the coil framework in the radial direction of the coil framework, and a thick-diameter coil formed by winding a first-diameter copper wire and a thin-diameter coil formed by winding a second-diameter copper wire are wound;
two ends of a first-diameter copper wire of the thick-wire-diameter coil are respectively and electrically wound on the public wiring pin and the low-voltage wiring pin; the thick-wire diameter coil forms an independently used low-voltage working coil;
two ends of a second wire diameter copper wire of the thin wire diameter coil are respectively and electrically wound on the low-voltage wiring pin and the first high-voltage wiring pin; a first high-voltage combined coil used in combination is formed by connecting a coil with a thick wire diameter and a coil with a thin wire diameter in series;
the power supply lead wire electrically connected with the public wiring pin and the power supply lead wire electrically connected with the low-voltage wiring pin form a low-voltage wiring group for providing a low-voltage power supply for the low-voltage working coil;
The power supply lead wire electrically connected with the public wiring pin and the power supply lead wire electrically connected with the first high-voltage wiring pin form a first high-voltage wiring group for improving the first high-voltage power supply for the first high-voltage combined coil.
In a further technical scheme, at least three needle mounting tables are arranged at the outer side edges of the wiring tables, blind holes are formed in the top of each needle mounting table, and the public wiring needle, the low-voltage wiring needle and the first high-voltage wiring needle are respectively fixed in the blind holes of the corresponding needle mounting tables and protrude out of the top surfaces of the corresponding needle mounting tables;
at least one copper wire straight groove and at least one lead wire straight groove are arranged on one side or two sides of each needle body mounting table, the upper and lower inertial navigation line connecting tables of the copper wire straight grooves and the outer side are open notch, the upper and lower inertial navigation line connecting tables of the lead wire straight grooves and the outer side are open notch,
the two ends of the first-diameter copper wire and the two ends of the second-diameter copper wire are respectively penetrated in corresponding copper wire straight grooves;
each power supply lead wire is respectively penetrated in the corresponding adjacent lead wire straight groove.
In a further technical scheme, the wiring platform is provided with three needle body installing tables, and the wiring platform is provided with a copper wire straight flute, a needle body installing table, a lead straight flute, a copper wire straight flute, a needle body installing table, two copper wire straight flutes, a needle body installing table and a copper wire straight flute from left to right in proper order, and three needle body installing tables respectively correspond to be installed public wiring needle low-voltage wiring needle and first high-voltage wiring needle according to the order from left to right.
In a further technical scheme, the wiring platform is provided with a second high-voltage wiring pin which is electrically connected with a power supply lead,
an outer-layer fine-wire-diameter coil formed by winding a third-wire-diameter copper wire is arranged in an annular section of the outer edge of the fine-wire-diameter coil in the wire slot, and two ends of the third-wire-diameter copper wire are respectively and electrically wound on the first high-voltage wiring needle and the second high-voltage wiring needle; two ends of the third-wire-diameter copper wire are respectively penetrated in the corresponding copper wire straight grooves;
the thick-wire-diameter coil, the thin-wire-diameter coil and the outer-layer thin-diameter coil are sequentially connected in series to form a second high-voltage combined coil used in a combined mode, and a second high-voltage power supply is provided for the second high-voltage combined coil through the second high-voltage wiring group;
the power supply lead wire electrically connected with the public wiring pin and the power supply lead wire electrically connected with the second high-voltage wiring pin form a second high-voltage power supply wiring group for providing a second high-voltage power supply for the second high-voltage combined coil.
Compared with the prior art, the invention has the advantages that: the invention provides a standard-size permanent magnet synchronous motor with double-voltage power supply, in particular to a standard-size permanent magnet synchronous motor with double-voltage power supply, which has larger power supply voltage difference, reduces the use amount of copper wires while realizing automatic production, improves the production efficiency, reduces the production cost, solves the wire breakage phenomenon in the winding process, ensures that the coil in a wire slot does not exceed a safe position, meets the safety requirement of the creepage distance, does not block the installation of a power supply lead, meets the installation requirement of the power supply lead, meets the motor performance requirement, and comprehensively solves various problems.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a wound bobbin of the present invention.
Fig. 2 is a schematic wiring diagram of a first wire-diameter copper wire and a second wire-diameter copper wire of the present invention.
In the figure: 10. coil former 11, wiring stand 12, wire casing 13, first wire diameter copper line 14, second wire diameter copper line 15, lead straight groove 16, copper line straight groove 17, power supply lead 18, public wiring needle 19, low voltage wiring needle 20, first high voltage wiring needle 21, needle body mount table.
Detailed Description
The following description is of the preferred embodiments of the invention, and is not intended to limit the scope of the invention.
Example 1
The automatic production method of the double-voltage power supply standard permanent magnet synchronous motor comprises a component production step, a coil framework manufacturing step and an assembly step, wherein the component production step and the assembly step are the same as those of the prior art, and are not repeated here, and the difference is mainly that the coil framework manufacturing step comprises the following steps:
at least a first wire diameter copper wire 13 and a second wire diameter copper wire 14 are provided by an automatic winding machine, and the wire diameter of the selected first wire diameter copper wire 13 is larger than the wire diameter of the selected second wire diameter copper wire 14. The invention can provide the first wire diameter copper wire 13 and the second wire diameter copper wire 14 through one automatic winding machine, and complete all winding operations in one automatic winding machine; the first wire diameter copper wire 13 and the second wire diameter copper wire 14 may be provided by two automatic winding machines, respectively, at which the winding operation is completed.
The connection pins are installed, and at least one common connection pin 18, one low-voltage connection pin 19 and one first high-voltage connection pin 20 are inserted into the connection table 11 of the coil skeleton 10 through the automatic pin inserting machine. In a preferred embodiment, a plurality of blind holes are formed in the top surface of the wiring platform 11, the common wiring pin 18, the low-voltage wiring pin 19 and the first high-voltage wiring pin 20 are initially inserted and fixed in the corresponding blind holes through an automatic pin inserting machine, and the common wiring pin 18, the low-voltage wiring pin 19 and the first high-voltage wiring pin 20 are respectively kept at set distances from the bottoms of the corresponding blind holes through positioning rings, positioning grooves or positioning clamping points arranged at the middle lower part in the blind holes in the initial insertion process. The outer side edge of the wiring table 11 is provided with a plurality of copper wire straight grooves 16 of the upper and lower inertial navigation wiring table 11 and lead wire straight grooves 15 of the upper and lower inertial navigation wiring table 11, so that the full automation of winding operation and automatic electric connection operation in the winding operation process are realized.
The thick-diameter coil is wound, the first-diameter copper wire 13 is automatically provided by an automatic winding machine to automatically wind, the thick-diameter coil is automatically wound in the wire slot 12 of the coil skeleton 10, the first end of the first-diameter copper wire 13 is electrically wound on the public wiring needle 18 of the coil skeleton 10, and the second end of the first-diameter copper wire is electrically wound on the low-voltage wiring needle 19 of the coil skeleton 10. The electrical winding in the present invention refers to winding and electrical connection, for example, the first end of the first wire-diameter copper wire 13 is electrically wound on the common connection pin 18, and the first end of the first wire-diameter copper wire 13 is wound on the common connection pin 18 by an automatic winding machine, and meanwhile, the electrical connection is achieved. The thick-wire coil can be wound clockwise or anticlockwise.
The wire-diameter coil is wound, the second wire-diameter copper wire 14 is automatically provided by an automatic winding machine to automatically wind, the wire-diameter coil is automatically wound in the wire slot 12 of the coil skeleton 10, the first end of the second wire-diameter copper wire 14 is electrically wound on the public wiring needle 18 of the coil skeleton 10, and the second end is electrically wound on the first high-voltage wiring needle 20 of the coil skeleton 10. Fig. 1 and 2 show the same. The fine wire diameter coil can be wound clockwise or counterclockwise.
And in the press mounting step, the public wiring needle 18, the low-voltage wiring needle 19 and the first high-voltage wiring needle 20 are further pressed down, and the lower end parts of the public wiring needle 18, the low-voltage wiring needle 19 and the first high-voltage wiring needle 20 can be respectively inserted into the bottoms of corresponding blind holes, so that the copper wires can be prevented from being broken, and the electrical connection performance of the copper wires and corresponding wiring money can be ensured.
The power supply leads are installed, and the common wiring pin 18, the low voltage wiring pin 19, and the first high voltage wiring pin 20 are electrically connected to one power supply lead 17, respectively. Each power supply lead 17 is respectively inserted from the notch of the corresponding lead straight groove 15 and respectively penetrates into the corresponding lead straight groove 15.
The power supply lead 17 electrically connected with the common wiring pin 18 and the power supply lead 17 electrically connected with the low-voltage wiring pin 19 form a low-voltage wiring group for accessing a low-voltage power supply, and the thick-wire coil forms an independently used low-voltage working coil, and the low-voltage power supply is provided for the low-voltage working coil through the low-voltage wiring group.
The power supply lead 17 electrically connected with the public wiring pin 18 and the power supply lead 17 electrically connected with the first high-voltage wiring pin 20 form a first high-voltage wiring group for accessing a first high-voltage power supply, a first high-voltage combined coil used in combination is formed by connecting a thick-wire-diameter coil and a thin-wire-diameter coil in series, and the first high-voltage power supply is provided for the first high-voltage combined coil through the first high-voltage wiring group.
And finishing the coil skeleton manufacturing step.
And finally, transferring the coil framework which completes the coil framework manufacturing step to an assembly production line, and assembling the permanent magnet rotor, the shell, the gear, the needle shaft, the rotating shaft and the like to finally obtain a permanent magnet synchronous motor finished product. The low voltage of the present invention means a power supply voltage rated at 110 volts, and the high voltage means a power supply voltage rated at 220 volts.
In the preferred embodiment, the step of winding the thick-wire-diameter coil is performed first, and then the step of winding the thin-wire-diameter coil is performed, in which the first end of the first-wire-diameter copper wire 13 is electrically wound around the common connection pin 18; then, winding a first-diameter copper wire 13 in the wire slot 12, forming a thick-diameter coil at the bottom of the wire slot 12, wherein the thick-diameter coil has a set thickness in the radial direction of the coil skeleton 10; after the winding of the thick-wire coil is completed, the second end of the first-wire copper wire 13 is electrically wound on the low-voltage wiring pin 19; providing a low-voltage power supply to the coil with the large wire diameter through the low-voltage wiring group; the first and second ends of the first wire-diameter copper wire 13 are respectively inserted from the notch of the corresponding straight copper wire slot 16 and pass through the corresponding straight copper wire slot 16.
Automatic wire replacement, automatic wire winding machine automatically cuts off first-diameter copper wire 13 and stops providing first-diameter copper wire 13, and automatic wire winding machine automatically provides second-diameter copper wire 14.
In the step of winding the fine-wire-diameter coil, the first end of the second-wire-diameter copper wire 14 is electrically wound on the low-voltage wiring pin 19, and the electrical connection between the second end of the first-wire-diameter copper wire 13 and the first end of the second-wire-diameter copper wire 14 is realized only through automatic winding operation;
directly winding a second wire diameter copper wire 14 on the outer edge of the low-voltage working coil in the wire slot 12, and directly winding a thin wire diameter coil in an annular section of the outer edge of the thick wire diameter coil in the wire slot 12, so that a thin wire diameter coil with a set thickness in the radial direction of the wire frame 10 is formed on the outer layer of the low-voltage working coil; the first and second ends of the second wire diameter copper wire 14 are respectively inserted from the notch of the corresponding straight copper wire slot 16 and pass through the corresponding straight copper wire slot 16. The second end of the second wire-diameter copper wire 14 is electrically wound around the first high-voltage pin 20, so that the thick wire-diameter coil and the thin wire-diameter coil are connected in series to form a first high-voltage combined coil.
The automatic winding machine automatically cuts off the second wire diameter copper wire 14 and stops supplying the second wire diameter copper wire 14, completing the coil automatic winding operation. The thick-wire-diameter coil and the thin-wire-diameter coil are wound and electrically connected, and no manual wiring operation or welding operation is needed, and an insulating layer is not needed to be wound between the thick-wire-diameter coil and the thin-wire-diameter coil.
The process can be used for producing the permanent magnet synchronous motor with standard specification and size and double-voltage power supply, and the invention reduces the use amount of copper wires while realizing automatic production, thereby improving the production efficiency, reducing the production cost and solving the wire breakage phenomenon in the winding process. Second, the coil in the wire casing does not surpass the safe position, both satisfies the safety requirement of creepage distance, can not block the installation of power supply lead wire again, satisfies the installation requirement of power supply lead wire, satisfies motor performance requirement simultaneously, has synthetically solved many-sided problem.
The invention solves all technical problems of realizing double-voltage power supply of the permanent magnet synchronous motor with standard specification and size, and realizes automatic production, namely realizing double-voltage power supply on the premise of not increasing and not changing the external size, and the two different voltages can be used for power supply respectively, so that the permanent magnet synchronous motor has different working performances.
The large-diameter coil wound by the first-diameter copper wire with larger wire diameter can meet the technical requirements of low voltage, low resistance, high current, high power starting and the like of a motor, and the first high-voltage combined coil formed by connecting the large-diameter coil and the thin-diameter coil in series can meet the technical requirements of high voltage, high resistance, low current and the like. The permanent magnet synchronous motor with standard specification produced by the process can meet various motor performance requirements of the motor under the precondition of reducing cost.
It should be noted that the technology of the permanent magnet synchronous motor is very mature, the homogenization phenomenon is very serious, the price is transparent, the production cost is a main competitive factor of the permanent magnet synchronous motor, and the production cost of one permanent magnet synchronous motor is reduced by 0.1 yuan, so that huge competitive advantages can be obtained. Compared with a standard-size single-voltage power supply permanent magnet synchronous motor with the standard specification number of 50, the double-voltage power supply standard permanent magnet synchronous motor realizes double-voltage power supply, and meanwhile, the production cost of one permanent magnet synchronous motor is further reduced by 0.2-0.3 yuan, so that the double-voltage power supply standard permanent magnet synchronous motor has great progress.
Of course, the technical scheme of the invention is also applicable to non-standard permanent magnet synchronous motors, and for the non-standard permanent magnet synchronous motors powered by double voltages, the invention improves the production efficiency, reduces the production cost and solves the wire breakage phenomenon in the winding process.
Example two
The main process of the present embodiment is the same as that of the first embodiment, and is not described herein, but the present embodiment is to add the following steps in the process of the first embodiment.
A second high-voltage wiring needle is inserted into the wiring table 11 of the coil frame 10, the coil frame manufacturing step comprises the step of winding an outer layer thin wire diameter coil,
Automatically providing a third-wire-diameter copper wire by an automatic winding machine for automatic winding, wherein a first end of the third-wire-diameter copper wire is electrically wound on a first high-voltage wiring needle 20 of a coil skeleton 10, then an outer-layer fine-wire-diameter coil is automatically wound in a wire groove 12 of the coil skeleton 10, the outer-layer fine-diameter coil is directly wound in an annular section of the outer edge of the fine-wire-diameter coil in the wire groove 12, and the outer-layer fine-diameter coil has a set thickness in the radial direction of the coil skeleton 10; and finally, electrically winding the second end of the third-wire-diameter copper wire on the second high-voltage wiring pin.
The second high-voltage wiring pin is electrically connected with a power supply lead 17, and the power supply lead 17 electrically connected with the public wiring pin 18 and the power supply lead 17 electrically connected with the second high-voltage wiring pin form a second high-voltage wiring group for accessing a second high-voltage power supply.
The thick-wire-diameter coil, the thin-wire-diameter coil and the outer-layer thin-diameter coil are sequentially connected in series to form a second high-voltage combined coil used in a combined mode, and a second high-voltage power supply is provided for the second high-voltage combined coil through a second high-voltage wiring group.
The production process of the embodiment is used for obtaining the permanent magnet synchronous motor with three-voltage power supply and standard specification and size.
Example III
The double-voltage power supply standard permanent magnet synchronous motor is shown in fig. 1 and 2, and comprises a coil frame 10, wherein a wiring table 11 of the coil frame 10 is at least inserted with a public wiring pin 18, a low-voltage wiring pin 19 and a first high-voltage wiring pin 20, the public wiring pin 18, the low-voltage wiring pin 19 and the first high-voltage wiring pin 20 are respectively and electrically connected with a power supply lead 17, at least two groups of inner and outer winding coils are wound in a wire slot 12 of the coil frame 10 in the radial direction of the coil frame 10, and a thick-diameter coil formed by winding a first-diameter copper wire 13 and a thin-diameter coil formed by winding a second-diameter copper wire 14 are wound; two ends of the first-diameter copper wire 13 of the thick-diameter coil are respectively and electrically wound on the common wiring pin 18 and the low-voltage wiring pin 19; the thick-wire diameter coil forms an independently used low-voltage working coil; both ends of the second wire diameter copper wire 14 of the thin wire diameter coil are respectively electrically wound on the low voltage wiring pin 19 and the first high voltage wiring pin 20; a first high voltage combined coil is formed by connecting a thick-diameter coil and a thin-diameter coil in series.
The power supply lead 17 electrically connected with the common wiring pin 18 and the power supply lead 17 electrically connected with the low-voltage wiring pin 19 form a low-voltage wiring group for supplying low-voltage power to the low-voltage working coil;
The power supply lead 17 electrically connected to the common pin 18 and the power supply lead 17 electrically connected to the first high voltage pin 20 form a first high voltage wiring group for supplying the first high voltage combined coil with a first high voltage power.
The outer side edge of the wiring platform 11 is at least provided with three needle body mounting platforms 21, the top of each needle body mounting platform 21 is provided with a blind hole, and the public wiring needle 18, the low-voltage wiring needle 19 and the first high-voltage wiring needle 20 are respectively fixed in the blind holes of the corresponding needle body mounting platforms 21 and protrude out of the top surfaces of the corresponding needle body mounting platforms 21; positioning is carried out through a positioning ring, a positioning groove or a positioning clamping point arranged at the middle lower part in the blind hole, the first positioning is carried out in the preliminary inserting process,
at least one copper wire straight groove 16 and at least one lead wire straight groove 15 are formed in one side or two sides of each needle body mounting table 21, the copper wire straight grooves 16 are communicated with the wire connecting table 11 up and down, the outer sides of the copper wire straight grooves are open notches, the lead wire straight grooves 15 are communicated with the wire connecting table 11 up and down, the outer sides of the lead wire straight grooves are open notches, and two ends of the first-diameter copper wire 13 and two ends of the second-diameter copper wire 14 are respectively penetrated into the corresponding copper wire straight grooves 16; each power supply lead 17 is respectively penetrated in the corresponding adjacent lead straight groove 15.
Specifically, the wiring board 11 is provided with three needle mounting boards 21, and the wiring board 11 is provided with one copper wire straight groove 16, one needle mounting board 21, one lead wire straight groove 15, one copper wire straight groove 16, one needle mounting board 21, two copper wire straight grooves 16, one needle mounting board 21 and one copper wire straight groove 16 in this order from left to right, and the three needle mounting boards 21 are respectively corresponding to the common wiring needle 18, the low voltage wiring needle 19 and the first high voltage wiring needle 20 in this order from left to right.
The thick-wire-diameter coil and the thin-wire-diameter coil are wound and electrically connected, and no manual wiring operation or welding operation is needed, and an insulating layer is not needed to be wound between the thick-wire-diameter coil and the thin-wire-diameter coil.
The embodiment provides a permanent magnet synchronous motor which realizes standard specification and size of dual-voltage power supply and meets performance requirements of motors in all aspects, and can realize automatic production, namely, dual-voltage power supply can be realized on the premise of not increasing, not changing the overall dimension and further reducing cost, and two different voltages can be respectively used for power supply, so that the permanent magnet synchronous motor has different working performances.
The invention changes the winding structure and wiring structure of the coil, improves the structure of the wiring table 11, comprises winding in the wire groove 12, and automatically and electrically winds the first-diameter copper wire and the first-diameter copper wire on the corresponding wiring needle on the wiring table respectively, and automatically completes the winding operation, and the production process is not easy to break wire and not easy to generate short circuit phenomenon, and simultaneously reduces the using amount of the copper wire, so that the copper wire can be automatically wound by using an automatic winding machine, thereby greatly improving the yield, reducing the necessary manual operation in the production process of the double-coil structure, reducing the production cost, avoiding the wire breakage in the winding process and greatly improving the yield.
The double-voltage power supply standard specification and size permanent magnet synchronous motor reduces the use amount of copper wires while realizing automatic production, firstly, improves the production efficiency, reduces the production cost and solves the wire breakage phenomenon in the winding process. Second, the coil in the wire casing does not surpass the safe position, both satisfies the safety requirement of creepage distance, can not block the installation of power supply lead wire again, satisfies the installation requirement of power supply lead wire, satisfies motor performance requirement simultaneously. Comprehensively solves the problems in many aspects.
Example IV
The main structure of this embodiment is the same as that of the first embodiment, and will not be described here again, but the difference is that the following structure is added to the process of the first embodiment.
The wiring table 11 is provided with a second high-voltage wiring pin, the second high-voltage wiring pin is electrically connected with a power supply lead 17, an outer-layer fine-wire-diameter coil formed by winding a third-wire-diameter copper wire is arranged in an annular section of the outer edge of the fine-wire-diameter coil in the wire slot 12, and two ends of the third-wire-diameter copper wire are respectively and electrically wound on the first high-voltage wiring pin 20 and the second high-voltage wiring pin; the two ends of the third-wire-diameter copper wire are respectively penetrated into the corresponding copper wire straight grooves 16; the thick-wire-diameter coil, the thin-wire-diameter coil and the outer-layer thin-diameter coil are sequentially connected in series to form a second high-voltage combined coil used in a combined mode, and a second high-voltage power supply is provided for the second high-voltage combined coil through a second high-voltage wiring group; the power supply lead 17 electrically connected to the common pin 18 and the power supply lead 17 electrically connected to the second high voltage pin constitute a second high voltage power supply wiring group for supplying the second high voltage combined coil with the second high voltage power.
The invention provides a permanent magnet synchronous motor which realizes standard specification and size of three-voltage power supply and meets the performance requirements of all aspects of motors, namely, the permanent magnet synchronous motor realizes multi-voltage power supply on the premise of not increasing, not changing the external dimension and not increasing the cost, and can respectively use three different voltages to supply power, so that the permanent magnet synchronous motor has different working performances.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (8)
1. The automatic production method of the double-voltage power supply standard permanent magnet synchronous motor comprises the steps of component production, coil skeleton manufacturing and assembly, and is characterized in that: wherein the coil skeleton manufacturing step comprises the following steps,
providing at least a first-diameter copper wire (13) and a second-diameter copper wire (14) by one automatic winding machine, or providing the first-diameter copper wire (13) and the second-diameter copper wire (14) by two automatic winding machines respectively, wherein the wire diameter of the selected first-diameter copper wire (13) is larger than that of the selected second-diameter copper wire (14);
Installing a wiring needle, and at least inserting a common wiring needle (18), a low-voltage wiring needle (19) and a first high-voltage wiring needle (20) into a wiring table (11) of the coil framework (10);
winding a large-diameter coil, automatically providing a first-diameter copper wire (13) for automatic winding through an automatic winding machine, automatically winding the large-diameter coil in a wire slot (12) of a coil framework (10), and electrically winding a first end of the first-diameter copper wire (13) on a common wiring needle (18) of the coil framework (10) and an second end of the first-diameter copper wire on a low-voltage wiring needle (19) of the coil framework (10);
the method comprises the steps of winding a fine-wire-diameter coil, automatically providing a second-wire-diameter copper wire (14) through an automatic winding machine to automatically wind the fine-wire-diameter coil in a wire slot (12) of a coil skeleton (10), wherein a first end of the second-wire-diameter copper wire (14) is electrically wound on a common wiring needle (18) of the coil skeleton (10), and a second end of the second-wire-diameter copper wire is electrically wound on a first high-voltage wiring needle (20) of the coil skeleton (10);
installing a power supply lead, wherein a public wiring pin (18), a low-voltage wiring pin (19) and a first high-voltage wiring pin (20) are respectively and electrically connected with a power supply lead (17);
The power supply lead (17) electrically connected with the public wiring pin (18) and the power supply lead (17) electrically connected with the low-voltage wiring pin (19) form a low-voltage wiring group which is used for being connected with a low-voltage power supply, the large-diameter coil forms an independently used low-voltage working coil, and the low-voltage power supply is provided for the low-voltage working coil through the low-voltage wiring group;
a power supply lead (17) electrically connected with the public wiring pin (18) and a power supply lead (17) electrically connected with the first high-voltage wiring pin (20) form a first high-voltage wiring group which is used for being connected with a first high-voltage power supply, a first high-voltage combined coil used in combination is formed by connecting a thick-diameter coil and a thin-diameter coil in series, and the first high-voltage power supply is provided for the first high-voltage combined coil through the first high-voltage wiring group;
and finishing the coil skeleton manufacturing step.
2. The automated production method of the dual-voltage power supply standard permanent magnet synchronous motor according to claim 1, wherein: in the coil skeleton manufacturing step, the step of winding the coil with a large wire diameter is firstly performed, and then the step of winding the coil with a small wire diameter is performed, wherein,
in the step of winding the large-diameter coil, the first end of the first-diameter copper wire (13) is electrically wound on the public wiring needle (18); then, a first-diameter copper wire (13) is wound in the wire groove (12), a thick-diameter coil is formed at the bottom of the wire groove (12), and the thick-diameter coil has a set thickness in the radial direction of the wire framework (10); after the winding of the large-diameter coil is completed, the second end of the first-diameter copper wire (13) is electrically wound on the low-voltage wiring pin (19); providing a low-voltage power supply to the large-diameter coil through the low-voltage wiring group;
Automatically changing wires, automatically cutting off the first-diameter copper wires (13) by an automatic winding machine, stopping providing the first-diameter copper wires (13), and automatically providing the second-diameter copper wires (14) by the automatic winding machine;
in the step of winding the fine-diameter coil, the first end of the second-diameter copper wire (14) is electrically wound on the low-voltage wiring pin (19), and the second end of the first-diameter copper wire (13) is electrically connected with the first end of the second-diameter copper wire (14) only through automatic winding operation;
directly winding a second wire diameter copper wire (14) on the outer edge of the low-voltage working coil in the wire slot (12), and directly winding a thin wire diameter coil in an annular section of the outer edge of the thick wire diameter coil in the wire slot (12), so that the thin wire diameter coil is formed on the outer layer of the low-voltage working coil, and has a set thickness in the radial direction of the wire framework (10);
electrically winding a second end of a second wire diameter copper wire (14) on the first high-voltage wiring pin (20) to enable a thick wire diameter coil and a thin wire diameter coil to be connected in series to form a first high-voltage combined coil;
the automatic winding machine automatically cuts off the second wire diameter copper wire (14) and stops providing the second wire diameter copper wire (14), thereby completing the automatic winding operation of the coil.
3. The automated production method of the dual-voltage power supply standard permanent magnet synchronous motor according to claim 2, wherein: a plurality of blind holes are formed in the top surface of the wiring platform (11), the public wiring needle (18), the low-voltage wiring needle (19) and the first high-voltage wiring needle (20) are initially inserted and fixed in the corresponding blind holes through an automatic pin inserting machine, and the public wiring needle (18), the low-voltage wiring needle (19) and the first high-voltage wiring needle (20) are respectively kept at set distances from the bottoms of the corresponding blind holes; after the step of winding the fine-wire-diameter coil is completed, a press-fitting step is performed, and the common wiring needle (18), the low-voltage wiring needle (19) and the first high-voltage wiring needle (20) are further pressed down;
a plurality of copper wire straight grooves (16) of the upper and lower inertial navigation wiring tables (11) and lead wire straight grooves (15) of the upper and lower inertial navigation wiring tables (11) are formed in the outer side edge of the wiring tables (11), so that full automation of winding operation is realized;
in the step of winding the large-diameter coil, the first end and the second end of the first-diameter copper wire (13) are respectively placed in and penetrate through the corresponding copper wire straight grooves (16) from the notch of the corresponding copper wire straight grooves (16);
In the step of winding the fine-diameter coil, the first end and the second end of the second-diameter copper wire (14) are respectively placed in and penetrate through the corresponding copper wire straight grooves (16) from the notch of the corresponding copper wire straight grooves (16);
in the step of installing the power supply leads, the power supply leads (17) are respectively placed from the notch of the corresponding lead straight groove (15) and respectively penetrate through the corresponding lead straight groove (15).
4. The automated production method of the dual-voltage power supply standard permanent magnet synchronous motor according to claim 2, wherein: a second high-voltage wiring needle is inserted into a wiring table (11) of the coil framework (10), the coil framework manufacturing step comprises the step of winding an outer layer of thin-wire-diameter coil,
automatically winding a third-diameter copper wire by an automatic winding machine, wherein a first end of the third-diameter copper wire is electrically wound on the first high-voltage wiring needle (20) of the coil framework (10), then an outer-layer fine-diameter coil is automatically wound in a wire groove (12) of the coil framework (10), the outer-layer fine-diameter coil is directly wound in an annular section of the outer edge of the fine-diameter coil in the wire groove (12), and the outer-layer fine-diameter coil has a set thickness in the radial direction of the coil framework (10); finally, the second end of the third-wire-diameter copper wire is electrically wound on a second high-voltage wiring pin;
The second high-voltage wiring pin is electrically connected with a power supply lead (17), and the power supply lead (17) electrically connected with the public wiring pin (18) and the power supply lead (17) electrically connected with the second high-voltage wiring pin form a second high-voltage wiring group for accessing a second high-voltage power supply;
the thick-wire-diameter coil, the thin-wire-diameter coil and the outer-layer thin-diameter coil are sequentially connected in series to form a second high-voltage combined coil used in a combined mode, and a second high-voltage power supply is provided for the second high-voltage combined coil through the second high-voltage wiring group.
5. The utility model provides a standard PMSM of dual voltage power supply, includes coil skeleton (10), and wiring platform (11) cartridge at least of coil skeleton (10) is a public binding needle (18), a low voltage binding needle (19) and a first high voltage binding needle (20), and a power supply lead wire (17), its characterized in that are connected respectively to public binding needle (18), a low voltage binding needle (19) and a first high voltage binding needle (20) electricity: at least two groups of inner and outer coils are wound in a wire slot (12) of the coil framework (10) along the radial direction of the coil framework (10), a thick-diameter coil formed by winding a first-diameter copper wire (13) and a thin-diameter coil formed by winding a second-diameter copper wire (14);
Two ends of a first-diameter copper wire (13) of the thick-diameter coil are respectively and electrically wound on a public wiring pin (18) and a low-voltage wiring pin (19); the thick-wire diameter coil forms an independently used low-voltage working coil;
two ends of a second wire diameter copper wire (14) of the thin wire diameter coil are respectively and electrically wound on a low-voltage wiring needle (19) and a first high-voltage wiring needle (20); a first high-voltage combined coil used in combination is formed by connecting a coil with a thick wire diameter and a coil with a thin wire diameter in series;
a low-voltage wiring group is formed by a power supply lead (17) electrically connected with the public wiring pin (18) and a power supply lead (17) electrically connected with the low-voltage wiring pin (19) and is used for providing a low-voltage power supply for the low-voltage working coil;
the power supply lead (17) electrically connected with the public wiring pin (18) and the power supply lead (17) electrically connected with the first high-voltage wiring pin (20) form a first high-voltage wiring group for improving the first high-voltage power supply for the first high-voltage combined coil.
6. The dual voltage powered standard permanent magnet synchronous motor of claim 5 wherein: the outer side edge of the wiring platform (11) is at least provided with three needle body mounting platforms (21), the top of each needle body mounting platform (21) is provided with a blind hole, the public wiring needle (18), the low-voltage wiring needle (19) and the first high-voltage wiring needle (20) are respectively fixed in the blind holes of the corresponding needle body mounting platforms (21), and protrude out of the top surface of the corresponding needle body mounting platform (21);
At least one copper wire straight groove (16) and at least one lead wire straight groove (15) are arranged on one side or two sides of each needle body mounting table (21), the copper wire straight groove (16) is an open notch at the upper and lower side of the through wire connecting table (11) and the outer side of the through wire straight groove (15) is an open notch at the upper and lower side of the through wire connecting table (11),
the two ends of the first-diameter copper wire (13) and the two ends of the second-diameter copper wire (14) are respectively penetrated in the corresponding copper wire straight grooves (16);
each power supply lead (17) is respectively penetrated in the corresponding adjacent lead straight groove (15).
7. The dual voltage powered standard permanent magnet synchronous motor of claim 6 wherein: the wiring platform (11) is provided with three needle body installing tables (21), and the wiring platform (11) from left to right has set gradually a copper line straight flute (16), a needle body installing table (21), a lead wire straight flute (15), a copper line straight flute (16), a needle body installing table (21), two copper line straight flutes (16), a needle body installing table (21) and a copper line straight flute (16), from left to right three needle body installing tables (21) according to the order from left to right correspond respectively the installation public wiring needle (18) low voltage wiring needle (19) with first high voltage wiring needle (20).
8. The dual voltage powered standard permanent magnet synchronous motor of claim 6 wherein: the wiring table (11) is provided with a second high-voltage wiring needle which is electrically connected with a power supply lead (17),
an outer-layer fine-wire-diameter coil wound by a third-wire-diameter copper wire is arranged in an annular section of the outer edge of the fine-wire-diameter coil in the wire slot (12), and two ends of the third-wire-diameter copper wire are respectively and electrically wound on the first high-voltage wiring needle (20) and the second high-voltage wiring needle; two ends of the third-wire-diameter copper wire are respectively penetrated into the corresponding copper wire straight grooves (16);
the thick-wire-diameter coil, the thin-wire-diameter coil and the outer-layer thin-diameter coil are sequentially connected in series to form a second high-voltage combined coil used in a combined mode, and a second high-voltage power supply is provided for the second high-voltage combined coil through the second high-voltage wiring group;
the power supply lead (17) electrically connected with the public wiring pin (18) and the power supply lead (17) electrically connected with the second high-voltage wiring pin form a second high-voltage power supply wiring group for providing a second high-voltage power supply for the second high-voltage combined coil.
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| JP2005130685A (en) * | 2003-10-26 | 2005-05-19 | Yoshimitsu Okawa | Permanent magnet electric motor with annular stator coil |
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