Motor stator of scroll compressor
By grouping and fixing the motor leads of the scroll compressor, the problems of increased motor end size and complex wiring are solved, the assembly efficiency and motor stability are improved, and the current requirements of large-scale compressors are met.
Patent Information
- Application Number
- CN202423252965.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-27
AI Technical Summary
As the current demand of the scroll compressor motor increases, the parallel connection of six thicker leads results in an increase in the size of the motor end, a decrease in the insulation distance, and a more complex wiring process, which affects operating efficiency and convenience.
The system uses six leads grouped together and fixed in a specific way. It connects the leads to the terminals using binding wires of different lengths and directions, and combines different colors for differentiation and varnishing for fixation, ensuring the stability and easy identification of the leads.
It improves the accuracy of compressor wiring and assembly efficiency, reduces noise, enhances the stability and reliability of motor electrical connections, and adapts to the current requirements of large-scale compressors.
Smart Images
Figure CN223666121U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to scroll compressor motor technical field, specifically, especially, a scroll compressor motor stator. BACKGROUND
[0002] The scroll compressor motor on the market currently usually adopts the mode of three lead wires, which are connected to the terminal of the compressor. The terminal corresponds to the U, V and W three-phase power supply lines, and through the design of the lead wire assembly, the assembly convenience and electrical safety of the compressor terminal can be ensured.
[0003] However, with the development and large-scale trend of the compressor technology, the current demand of the motor also increases. In the case of large current, a single lead wire cannot bear the demand of large current, so two thick lead wires need to be connected in parallel to the same phase to ensure the electrical safety of the motor. In this way, for a three-phase motor, a total of six lead wires are needed. When the six lead wire assemblies are fixed at the same position of the motor, they may cause the motor end size to increase, thereby affecting the insulation distance of the motor; when the six lead wires need to be connected to the terminal, the orientation adjustment of the lead wire becomes more difficult, the wiring process becomes complex, and the error connection is prone to occur, which reduces the operation efficiency and convenience of the operator. SUMMARY
[0004] In view of the above technical problems that with the increase of the current demand of the scroll compressor motor, the parallel connection of the six thick lead wires causes the motor end size to increase, the insulation distance to decrease and the wiring process to be complicated, and the operation efficiency and convenience are affected, the utility model provides a scroll compressor motor stator. The utility model groups the multiple lead wires of the compressor motor, prevents the lead wires connected to the other terminals from being connected to the same phase through the different fixed positions and directions of the lead wire, and improves the assembly of the compressor through the different lengths of the lead wires.
[0005] The technical means adopted by the utility model are as follows:
[0006] A scroll compressor motor stator, comprising: a motor stator, a stator winding, a stator core, a terminal, and a lead wire assembly.
[0007] The stator winding is a three-phase winding.
[0008] The lead wire assembly comprises a first lead wire and a second lead wire connected to the first-phase winding, a third lead wire and a fourth lead wire connected to the second-phase winding, a fifth lead wire and a sixth lead wire connected to the third-phase winding, a terminal fixed at the end of each lead wire, and a first binding wire, a second binding wire and a third binding wire for fixing the lead wire assembly; wherein,
[0009] The first binding wire fixes the first lead wire and the second lead wire, the distance from the first binding wire to the terminal end of the first lead wire and the distance from the first binding wire to the terminal end of the second lead wire are equal, which is the first distance L1; the second binding wire fixes the third lead wire and the fourth lead wire, the distance from the second binding wire to the terminal end of the third lead wire and the distance from the second binding wire to the terminal end of the fourth lead wire are equal, which is the second distance L2; the third binding wire fixes the fifth lead wire and the sixth lead wire, the distance from the third binding wire to the terminal end of the fifth lead wire and the distance from the third binding wire to the terminal end of the sixth lead wire are equal, which is the third distance L3, and the first distance is equal to the second distance and not equal to the third distance; the first lead wire and the second lead wire extend in the clockwise direction to the terminal end, the third lead wire and the fourth lead wire extend in the counterclockwise direction to the terminal end, and the directions of the two are opposite, and the fifth lead wire and the sixth lead wire extend in the same direction as the first lead wire and the second lead wire or in the same direction as the third lead wire and the fourth lead wire.
[0010] Further, the terminal ends of the first lead wire to the sixth lead wire are all provided with terminals, and the terminals are fixed to the compressor terminal plate, and the terminals are plug-in terminals or welded terminals.
[0011] Further, the first lead wire and the second lead wire are different in color from the third lead wire and the fourth lead wire, and the fifth lead wire and the sixth lead wire, so as to facilitate the distinction, the same group of lead wire assemblies use the same color, and different groups of lead wires use different colors for distinction.
[0012] Further, the stator winding, the lead wire and the binding wire are fixed and reinforced by dipping paint, and the dipping paint is insulating paint.
[0013] Further, the binding position of each binding wire does not affect the size of the winding.
[0014] Further, the motor winding is a double-layer stacked winding or a single-layer chain winding.
[0015] Further, the motor stator is provided with a temperature sensor inside, which is used for detecting the temperature when the motor operates.
[0016] Compared with the prior art, the utility model has the following advantages due to the adoption of the above technical scheme:
[0017] 1. The motor stator of the scroll compressor provided by the utility model is connected to the terminal end of the compressor through the grouping and specific fixing mode of the six lead wires, so that the phase lead wires are easy to distinguish and connect, the operator can quickly and accurately wire when connecting the terminal end of the compressor, the misconnection is avoided, and the assembly efficiency and accuracy are greatly improved.
[0018] 2. The utility model provides a kind of scroll compressor motor stator, each binding wire is fixed to stator winding by dipping paint, not only enhance the fixed effect between stator winding, lead and binding wire, reduce the risk of component loosening caused by vibration when motor operation, can also effectively reduce noise generation.Meanwhile, lead is fixed to different position on stator winding side instead of same position, can prevent the lead root caused by dipping paint too hard and the root break caused when multiple lead adjustment orientation, ensure the electrical connection stability of motor, prolong the service life of motor, improve the overall performance and reliability of motor.
[0019] 3. The utility model provides a kind of scroll compressor motor stator, with the large-scale of compressor, motor current increases, two thicker lead in parallel mode is used in each phase to meet the demand of large current, the motor stator design of the utility model can effectively solve many problems caused by six lead assemblies fixed in the same position of motor, such as excessive end size affects insulation distance, so that motor can still maintain good performance and structural rationality while meeting the requirement of large current transmission, adapt to the large-scale development trend of compressor, provide reliable power support for compressor.
[0020] Based on the above reasons, the utility model can be popularized in the technical field of scroll compressor motor. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.
[0022] Fig. 1 It is a kind of scroll compressor motor stator structure schematic diagram described in the utility model;
[0023] Fig. 2 It is a kind of scroll compressor motor stator lead connection to the schematic diagram of compressor terminal;
[0024] Fig. 3 It is a kind of scroll compressor motor stator lead schematic diagram.
[0025] In the drawing: 1, motor stator;2, stator winding;3, stator core;5, terminal;11, first lead;12, second lead;13, third lead;14, fourth lead;15, fifth lead;16, sixth lead;61, first binding wire;62, second binding wire;63, third binding wire. DETAILED DESCRIPTION
[0026] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, not as any limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0028] It should be noted that the terms used herein are only for describing specific embodiments, not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and in addition, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or their combination.
[0029] Unless specifically stated otherwise, the relative arrangement of the components and steps illustrated in these embodiments, numerical expressions, and numerical values are not meant to limit the scope of the utility model. At the same time, it should be clear that the size of each part shown in the drawings is not drawn in proportion to the actual proportion. The technology, method and equipment known to those skilled in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as part of the authorized specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0030] In the description of the utility model, it needs to be understood that the orientation words such as '' front, back, top, bottom, left, right '' '' horizontal, vertical, perpendicular, horizontal '' and '' top, bottom '' and the like indicated orientation or positional relationship usually based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, in the case where no contrary statement is made, these orientation words do not indicate and imply that the device or element indicated must have a particular orientation or be constructed and operated in a particular orientation, therefore it can not be understood as the limitation of the protection scope of the utility model: the orientation words '' inside, outside '' refer to the inside and outside relative to the contour of each component.
[0031] For the convenience of description, spatial relative terms such as '' above'', '' above'', '' upper surface'', '' upper '' and the like can be used here to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawing. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawing. For example, if the device in the drawing is inverted, the device described as '' above '' or '' above '' other devices or structures will be positioned '' below '' or '' below '' other devices or structures. Thus, the exemplary term '' above '' can include both '' above '' and '' below '' orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used here is interpreted accordingly.
[0032] In addition, it needs to be explained that the use of '' first'', '' second '' and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore it can not be understood as the limitation of the protection scope of the utility model.
[0033] Embodiment
[0034] As Figs. 1 to 3 shown, the utility model provides a kind of scroll compressor motor stator 1, comprising: motor stator 1, stator winding 2, stator core 3, terminal 5, lead assembly;
[0035] The stator winding 2 is three-phase winding;
[0036] The lead assembly includes the first lead 11 and the second lead 12 connected with the first phase winding, the third lead 13 and the fourth lead 14 connected with the second phase winding, the fifth lead 15 and the sixth lead 16 connected with the third phase winding, the terminal fixed at the end of each lead, and the first binding wire 61, the second binding wire 62 and the third binding wire 63 for fixing the lead assembly;Wherein,
[0037] The stator winding 2 in the motor stator 1 adopts a three-phase winding design, and the lead assembly plays a key role in connecting the phase windings and the external circuit; for the first phase winding, the first lead 11 and the second lead 12 are connected thereto, and the two leads are fixed by the first binding wire 61, and the distance from the first binding wire 61 to the terminal end of the first lead 11 is equal to the distance from the first binding wire 61 to the terminal end of the second lead 12, which is the first distance L1, and they extend in the clockwise direction to the terminal 5. The third lead 13 and the fourth lead 14 connected to the second phase winding are fixed by the second binding wire 62, and the distance from the second binding wire 62 to the terminal end of the third lead 13 is equal to the distance from the second binding wire 62 to the terminal end of the fourth lead 14, which is the second distance L2, and the extension direction is opposite to that of the lead of the first phase winding, extending in the counterclockwise direction to the terminal 5. The fifth lead 15 and the sixth lead 16 connected to the third phase winding are fixed by the third binding wire 63, and the distance from the third binding wire 63 to the terminal end of the fifth lead 15 is equal to the distance from the third binding wire 63 to the terminal end of the sixth lead 16, which is the third distance L3, and the third distance is not equal to the first distance (equal to the second distance), and the extension direction is the same as that of the first lead 11 and the second lead 12 or the same as that of the third lead 13 and the fourth lead 14.
[0038] The terminal end of each lead is provided with a terminal, which can be a plug-in terminal or a welded terminal, and the terminal is fixed to the compressor terminal board to realize the connection between the motor stator 1 and the external electrical system; in order to distinguish the winding leads of different phases, the first lead 11 to the sixth lead 16 adopt different color designs, and the same group of lead assemblies use the same color, and different groups of leads use different colors to distinguish.
[0039] In the manufacturing process of the motor stator 1, the stator winding 2, the leads, and the binding wires are fixed and reinforced by dipping paint (insulating paint) to enhance their mechanical strength and insulation performance, and the binding positions of the binding wires are carefully designed without affecting the size of the winding to ensure the normal operation of the motor stator 1; the motor winding can adopt different forms such as double-layer lap winding or single-layer chain winding; the motor stator 1 is provided with a temperature sensor, which continuously detects the operating temperature of the motor during operation to monitor and adjust the working state of the motor, ensure the stable operation of the motor within the appropriate temperature range, prevent the motor from being damaged or affecting its performance due to high temperature, and ensure the normal and efficient operation of the scroll compressor.
[0040] It should be finally pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the present application examples.
Claims
1. A scroll compressor motor stator, characterized in that, include: Motor stator, stator winding, stator core, terminals, lead wire assembly; The stator winding is a three-phase winding; The lead assembly includes a first lead and a second lead connected to the first phase winding, a third lead and a fourth lead connected to the second phase winding, a fifth lead and a sixth lead connected to the third phase winding, terminals fixed to the ends of each lead, and a first binding wire, a second binding wire, and a third binding wire for fixing the lead assembly; wherein, The first binding wire secures the first and second leads. The distance from the first binding wire to the end terminal of the first lead is equal to the distance from the first binding wire to the end terminal of the second lead, which is a first distance L1. The second binding wire secures the third and fourth leads. The distance from the second binding wire to the end terminal of the third lead is equal to the distance from the second binding wire to the end terminal of the fourth lead, which is a second distance L2. The third binding wire secures the fifth and sixth leads. The distance from the third binding wire to the end terminal of the fifth lead is equal to the distance from the third binding wire to the end terminal of the sixth lead, which is a third distance L3. The first distance is equal to the second distance but not equal to the third distance. The first and second leads extend clockwise toward the terminal, and the third and fourth leads extend counterclockwise toward the terminal. The directions of extension of the fifth and sixth leads are the same as or the same as the extension directions of the first and second leads.
2. The scroll compressor motor stator according to claim 1, characterized in that, Terminals are installed at the ends of the first to sixth leads, and the terminals are fixed to the compressor terminal block. The terminals are plug-in terminals or soldered terminals.
3. The scroll compressor motor stator according to claim 1, characterized in that, The first and second leads are different colors from the third and fourth leads, and the fifth and sixth leads, for easy differentiation. Leads in the same group use the same color, while different groups of leads use different colors to distinguish them.
4. The scroll compressor motor stator according to claim 1, characterized in that, The stator windings, leads, and binding wires are fixed and reinforced by impregnation with insulating varnish.
5. A scroll compressor motor stator according to claim 1, characterized in that, The binding positions of each binding wire do not affect the winding dimensions.
6. A scroll compressor motor stator according to claim 1, characterized in that, The motor winding is a double-layer lap winding or a single-layer chain winding.
7. A scroll compressor motor stator according to claim 1, characterized in that, The motor stator is equipped with a temperature sensor to detect the temperature during motor operation.