Coil component

Abstract

Provided is a coil component, comprising: a stator assembly (10), a plurality of pins (11) of the stator assembly (10) being arranged side by side in sequence; and a wire assembly (20), the wire assembly (20) comprising a plurality of wires (21) and a fixing structure, wherein the fixing structure covers at least a part of each wire (21) in the extension direction of the wires (21), the parts of the plurality of wires (21) encapsulated in the fixing structure are arranged side by side in sequence, and each wire (21) is electrically connected to at least one corresponding pin (11) in sequence. The fixing structure covers at least a part of each wire (21), such that the order of the wires (21) in the wire assembly (20) is fixed, and the problem of wire sequence disorder is avoided. The plurality of wires (21) are connected to the at least one corresponding pin (11) in sequence, such that the connection order of the wires (21) and the pins (11) does not become disordered. The provided coil component solves the problem of wire sequence disorder in the connection between the plurality of wires (21) of an expansion valve and the stator assembly (10).

Description

Coil component

[0001] The present application claims priority to the patent application No. 202421810888.0 filed on July 29, 2024 in the State Intellectual Property Office of China, with the title of "Coil component". TECHNICAL FIELD

[0002] The present application relates to the technical field of coil components of valves, in particular to a coil component. BACKGROUND

[0003] In the prior art, the coil component of the expansion valve using split wires is prone to errors when arranging the wires in sequence, causing the wire sequence to be disordered due to misoperation, which leads to incorrect connection of the wires and the pins of the stator assembly, and easily causes performance failure of the expansion valve. Moreover, when the split wires are wrapped with a protective sleeve on the outside, the appearance inspection cannot detect the defect when the wire sequence arrangement is disordered, and the performance failure of the expansion valve cannot be effectively repaired. Therefore, a coil component is needed to straighten the multiple wires of the expansion valve, to solve the problem of disordered connection of the wires and the coil. SUMMARY

[0004] The present application provides a coil component to solve the problem of disordered connection of the wires and the coil of the expansion valve in the prior art.

[0005] In order to solve the above problems, the present application provides a coil component, comprising:

[0006] a stator assembly, multiple pins of the stator assembly are arranged side by side in sequence;

[0007] a wire assembly, the wire assembly comprises wires and a fixing structure, the wires are multiple, the fixing structure covers at least a part of each wire along the extension direction of the wire, and the parts of the multiple wires enclosed in the fixing structure are arranged side by side in sequence; wherein each wire is connected with at least one corresponding pin in sequence.

[0008] Further, the fixing structure is an insulating sleeve, and the shape of the cross section of the insulating sleeve is an ellipse, a rectangle, a rounded rectangle or an oblong.

[0009] Further, the wire assembly further comprises a connector for connecting the power supply, the fixing structure is an insulation sheath, the wire comprises a first segment, a second segment and a third segment connected in sequence, the second segment is enclosed in the insulation sheath, the first segment is exposed to the insulation sheath and connected with the pin, and the third segment is exposed to the insulation sheath and connected with the connector; wherein, the plurality of second segments are arranged in sequence side by side, the arrangement sequence of the plurality of first segments is the same as that of the plurality of second segments; the initial arrangement sequence of the plurality of third segments is the same as that of the plurality of second segments, and the actual arrangement sequence of the plurality of third segments is adaptively adjusted when connected with the connector.

[0010] Further, the fixing structure is an insulation sheath, and the coil component further comprises a sealing structure, the sealing structure at least enclosing the connection position of the wire and the pin.

[0011] Further, the wire comprises a first segment and a second segment connected with each other, the second segment is enclosed in the insulation sheath, the first segment is exposed to the insulation sheath and electrically connected with the pin, and the sealing structure encloses a part of the insulation sheath, the pin and the first segment.

[0012] Further, the wire comprises a first segment and a second segment, the second segment is enclosed in the insulation sheath, the first segment is exposed to the insulation sheath, the first segment comprises a connecting segment and an insulation segment connected with each other, the connecting segment is electrically connected with the pin, the insulation segment is connected with the second segment, the sealing structure encloses the pin, the connecting segment and at least a part of the insulation segment, and the insulation sheath is exposed to the sealing structure.

[0013] Further, the sealing structure is a glue filling structure or an injection molding structure.

[0014] Further, the plurality of wires are of different colors, and the plurality of wires of different colors are arranged in a set color sequence, a first color in the set color sequence being a standard color.

[0015] Further, the wire of the standard color is a first wire, the plurality of wires comprise a first wire, a second wire, a third wire, a fourth wire, a fifth wire and a sixth wire arranged in sequence, the pin comprises a first pin, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin arranged in sequence, and the plurality of wires are electrically connected with the plurality of pins one by one in the same sequence number.

[0016] Further, the wire of the standard color is a first wire, the plurality of wires comprise a first wire, a second wire, a third wire, a fourth wire and a fifth wire arranged in sequence, the pin comprises a first pin, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin arranged in sequence, the first wire is electrically connected with the first pin, the second wire is electrically connected with the second pin, the third wire is electrically connected with the third pin and the fourth pin, the fourth wire is electrically connected with the fifth pin, and the fifth wire is electrically connected with the sixth pin.

[0017] Further, the wire is directly connected with the pin, or the wire is riveted with the pin through a terminal, or the wire is welded with the pin through a circuit board.

[0018] The technical scheme of the application provides a coil component, comprising: a stator assembly, a plurality of pins of the stator assembly are arranged side by side in sequence; a wire assembly, the wire assembly comprises wires and a fixing structure, the wires are a plurality of wires, the fixing structure covers at least a part of each wire in the extension direction of the wire, and the part of the plurality of wires covered in the fixing structure is arranged side by side in sequence; wherein each wire is connected with at least one corresponding pin in sequence. By adopting the scheme, the fixing structure covers at least a part of each wire, so that the sequence of the wires in the wire assembly is fixed, and the problem of sequence disorder of the wires does not occur. The plurality of wires are connected with at least one corresponding pin in sequence, so that the connection sequence of the wires and the pins does not occur disorder. Through the coil component provided by the scheme, the problem of connection sequence disorder of the plurality of wires of the expansion valve and the stator assembly is solved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the specification explain the application. The use of the same reference numbers in different drawings indicates similar or identical components.

[0020] Fig. 1 shows a structure schematic diagram of a coil component provided by an embodiment of the present application;

[0021] Fig. 2 shows a structure schematic diagram of a wire assembly of the coil component in Fig. 1;

[0022] Fig. 3 shows a structure schematic diagram of the wire assembly of the coil component in Fig. 1 from another angle;

[0023] Fig. 4 shows a structure schematic diagram of a wire assembly of a coil component provided by an embodiment two of the present application;

[0024] Fig. 5 shows a structure schematic diagram of a wire assembly of a coil component provided by an embodiment three of the present application;

[0025] Fig. 6 shows a structure schematic diagram of a wire assembly of a coil component provided by an embodiment four of the present application;

[0026] Fig. 7 shows a structure schematic diagram of a coil component provided by an embodiment five of the present application;

[0027] Fig. 8 shows a structure schematic diagram of a coil component provided by an embodiment six of the present application;

[0028] Fig. 9 shows a structure schematic diagram of a coil component provided by an embodiment seven of the present application.

[0029] In the above drawings, the following reference signs are included: 10, stator assembly; 11, pin; 20, wire assembly; 21, wire; 211, first section; 2111, connecting section; 2112, insulation section; 213, third section; 22, insulation sheath; 30, connector; 40, sealing structure; 50, injection molding part. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way limits the present application and its applications or uses. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0031] As shown in FIGS. 1-9, the embodiments of the present application provide a coil component, which comprises a stator assembly 10 and a wire assembly 20, a plurality of pins 11 of the stator assembly 10 are arranged side by side in order;

[0032] The wire assembly 20 comprises wires 21 and a fixing structure, the wires 21 are a plurality of wires, the fixing structure covers at least a part of each wire 21 along the extension direction of the wire 21, the parts of the plurality of wires 21 enclosed in the fixing structure are arranged side by side in order; wherein each wire 21 is connected to at least one corresponding pin 11 in order.

[0033] By using the present solution, the fixing structure covers at least a part of each wire 21, so that the order of the wires 21 in the wire assembly 20 is fixed and the problem of sequence disorder does not occur. The plurality of wires 21 are connected to at least one corresponding pin 11 in order, so that the order of the wires 21 is fixed when the stator assembly 10 is connected to the wire assembly 20, and the problem of sequence disorder does not occur.

[0034] In the first embodiment as shown in FIG. 1, the wire assembly 20 further comprises a connector 30 for connecting a power supply, the fixing structure is an insulation sheath 22, the wire 21 comprises a first section 211, a second section and a third section 213 connected in order, the second section is enclosed in the insulation sheath 22, the first section 211 is exposed to the insulation sheath 22 and electrically connected to the pin 11, the third section 213 is exposed to the insulation sheath 22 and connected to the connector 30; wherein a plurality of second sections are arranged side by side in order, the arrangement order of a plurality of first sections 211 is the same as that of the plurality of second sections; the initial arrangement order of a plurality of third sections 213 is the same as that of the plurality of second sections, and the actual arrangement order of the plurality of third sections 213 is adaptively adjusted when connected to the connector 30.

[0035] In this way, the first section 211 of the wire 21 is electrically connected to the pin 11, the third section 213 of the wire 21 is connected to the connector 30, and the connector 30 is connected to the power supply to energize the stator assembly 10. The second section is sequentially arranged inside the insulating sheath 22, so that the arrangement sequence of the wire 21 is fixed, and the problem of line sequence disorder does not occur. The line sequence of the wire 21 at the connection position of the connector 30 is adjusted according to the energization sequence of the coil.

[0036] The cross section of the insulating sheath 22 is in the shape of an ellipse, a rectangle, a rounded rectangle, or an oblong, and it can be understood that the shape of the cross section of the insulating sheath 22 can be adaptively adjusted according to actual conditions.

[0037] As shown in FIG. 4, in the second embodiment of the present application, the cross section of the insulating sheath 22 is in the shape of an ellipse, and the edge of the elliptical insulating sheath 22 is smooth, occupies less space, and can adapt to the installation of the coil component of the expansion valve.

[0038] As shown in FIG. 5, in the third embodiment of the present application, the cross section of the insulating sheath 22 is in the shape of a rectangle, so that the shape of the insulating sheath 22 is relatively regular and easy to install.

[0039] As shown in FIG. 6, in the fourth embodiment of the present application, the cross section of the insulating sheath 22 is in the shape of an oblong, and the edge is smooth and will not affect other components, and the processing is convenient and cost-saving.

[0040] After the line sequence of the connection position of the wire 21 and the stator assembly 10 is fixed, each wire 21 and pin 11 are sequentially arranged correspondingly, the wires 21 are sequentially arranged, and the plurality of wires 21 will not cross each other and are connected to the pin 11, so that the length of the cut wire 21 can be shortened, the cost can be saved, and the failure caused by multiple crossings or twists of the wire 21 can be avoided.

[0041] The coil component in the present application further includes a sealing structure 40, which at least encapsulates the connection position of the wire 21 and the pin 11. In this way, the sealing structure 40 encapsulates the connection position of the wire 21 and the pin 11 to ensure the sealing and insulation performance of the connection position of the pin 11 and the wire 21.

[0042] The sealing structure 40 is a glue filling structure or an injection molding structure. The coil component includes a coil body part, the coil body part includes a stator assembly 10 and an injection molding part 50, the stator assembly 10 includes a winding, a stator pole plate, and a stator housing, and the injection molding part 50 at least encapsulates the winding and part of the pin.

[0043] The sealing structure 40 can be processed by an injection molding process. Specifically, the sealing structure 40 and the injection portion 50 can be integrally processed with the stator assembly 10 as an insert or at least part of components of the stator assembly 10 as an insert. Alternatively, the injection portion 50 on the coil body portion can be processed first, and then the sealing structure 40 can be injection molded with the coil body portion as an insert.

[0044] Specifically, as shown in FIG. 7, in the fifth embodiment of the present application, the sealing structure 40 encapsulates a portion of the insulation sheath 22, the pin 11 and the first section 211.

[0045] In this way, the sealing structure 40 encapsulates the pin 11 and the first section 211, so that the connection between the wire 21 and the pin 11 is more secure. During the operation of the expansion valve, external moisture is prevented from entering the connection position between the pin 11 and the wire 21, so as to ensure the sealing and insulation performance of the coil component. When the first section 211 of the wire 21 is encapsulated, the sealing structure 40 encapsulates a portion of the insulation sheath 22, so that the connection between the sealing structure 40 and the wire assembly 20 is more stable and less likely to fall off, thereby ensuring that the expansion valve is less likely to fail during operation.

[0046] In other embodiments of the present application, the injection portion 50 on the coil body portion can be processed first, the injection portion 50 at the connection between the pin and the wire is fixed to the insulation shell, and the insulation material is filled in the insulation shell to form the sealing structure 40.

[0047] Specifically, as shown in FIG. 8, in the sixth embodiment of the present application, the first section 211 includes a connection section 2111 and an insulation section 2112 connected to each other, the connection section 2111 is electrically connected to the pin 11, and the insulation section 2112 is connected to the second section. The sealing structure 40 encapsulates the pin 11, the connection section 2111 and at least a portion of the insulation section 2112, and the insulation sheath 22 is exposed to the sealing structure 40.

[0048] In this way, the connection section 2111 and the pin 11, as well as at least a portion of the insulation section 2112, are encapsulated in the sealing structure 40, so that the connection between the connection section 2111 and the pin 11 is more stable and less likely to fall off. External moisture is prevented from entering the connection position between the pin 11 and the wire 21, so as to ensure the sealing and insulation performance of the coil component. The sealing structure 40 encapsulates at least a portion of the insulation section 2112, so that the sealing structure 40 covers the connection section 2111 and the pin 11 more completely. Not all of the insulation section 2112 is encapsulated, so that the wire assembly 20 is more flexible when twisted or angularly changed.

[0049] The wire 21 comprises a metal wire and an insulating layer wrapping the metal wire. The connecting segment 2111 is only the metal wire and is not wrapped by the insulating layer, so that the connecting segment 2111 can realize electrical connection with the pin 11. The insulating segment 2112 has the metal wire and the insulating layer, and the insulating layer avoids short circuit during use.

[0050] Further, the plurality of wires 21 are different in color, and the plurality of wires 21 different in color are arranged in a set color sequence, and a first color in the set color sequence is a standard color.

[0051] In this way, the plurality of wires 21 are arranged in different colors, the wires different in color represent different energizing sequences, the plurality of wires are arranged in the set color sequence, the plurality of wires are numbered by color, and the wires 21 different in color are connected with the pins 11, so as to ensure the corresponding relationship between the wires 21 and the pins 11 and the coil component can work in the corresponding energizing sequence.

[0052] As shown in FIG. 9, in the seventh embodiment of the present application, the wire 21 of the standard color is a first wire, the plurality of wires 21 comprise, in sequence, a first wire, a second wire, a third wire, a fourth wire, a fifth wire and a sixth wire, the pin 11 comprises, in sequence, a first pin, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin, and the wire 21 and the pin 11 are electrically connected one by one in the same sequence.

[0053] In this way, the wires 21 and the pins 11 are numbered in sequence respectively, the six pins 11 and the six wires 21 are electrically connected one by one in the same sequence, so that the connection sequence of the wires 21 and the pins 11 is clearer, the corresponding sequence of the pins 11 and the wires 21 is not confused during installation of the coil component, and the installation is convenient, fast and time-saving.

[0054] As shown in FIG. 1, in the first embodiment of the present application, the wire 21 of the standard color is a first wire, the wire 21 comprises, in sequence, a first wire, a second wire, a third wire, a fourth wire and a fifth wire, the pin 11 comprises, in sequence, a first pin, a second pin, a third pin, a fourth pin, a fifth pin and a sixth pin, the first wire is electrically connected with the first pin, the second wire is electrically connected with the second pin, the third wire is electrically connected with the third pin and the fourth pin respectively, the fourth wire is electrically connected with the fifth pin, and the fifth wire is electrically connected with the sixth pin.

[0055] In this way, five wires 21 are provided, six pins 11 are provided, the third wire is arranged to be electrically connected with the third pin and the fourth pin, and the other wires 21 and the other pins 11 are sequentially electrically connected. In the installation process of the coil component, the wires 21 and the pins 11 are connected according to the set sequence and the corresponding relationship, so that the connection sequence of the pins 11 and the wires 21 is not confused, the installation is convenient and fast, and time is saved.

[0056] Further, the wires 21 are directly connected with the pins 11, or the wires 21 are riveted with the pins 11 through terminals, or the wires 21 are electrically connected with the pins 11 by being respectively welded with a circuit board.

[0057] In this way, the wires 21 can be directly connected with the pins 11 to realize the electrical connection between the stator assembly 10 and the wire assembly 20. Alternatively, the wires 21 and the pins 11 can be fixed by riveting with terminals, so that the wires 21 and the pins 11 are more firmly fixed and are not easy to fall off, thereby ensuring the stability of the connection between the wires 21 and the pins 11. Alternatively, the plurality of wires 21 and the plurality of pins 11 are respectively welded on the circuit board, and the electrical connection between the wires 21 and the pins 11 is realized through the circuit board.

[0058] The advantages of the present application are as follows:

[0059] 1. In the production process of the coil component of the wire assembly 20 in which the wire sequence of the wires 21 is fixed, the wire sequence of the wires 21 has been sorted and positioned by the insulating sheath 22, so that the problem of disorder of the wire sequence of the wires 21 caused by misoperation or the like is avoided, and the failure of the expansion valve caused by the error of the corresponding relationship between the wires 21 and the pins 11 due to the disorder of the wire sequence is avoided.

[0060] 2. The wire assembly 20 in which the wire sequence of the wires 21 is fixed can check the wire sequence of the wires 21 at any position close to the insulating sheath 22 of the wire assembly 20, so that the connection relationship between the wires 21 and the pins 11 can be quickly determined when the expansion valve fails, and the failure reason can be quickly investigated.

[0061] 3. The plurality of wires 21 of the wire assembly 20 are sequentially arranged, so that the distance between the corresponding pin 11 of the wire 21 and the connector 30 is the shortest, the length of the wire 21 can be shortened, the plastic sealing or pouring length of the sealing structure 40 is reduced, and the cost is saved.

[0062] 4. After the wire sequence of the wires 21 is fixed, each wire 21 and pin 11 are sequentially arranged and corresponded, the wires 21 are not crossed and connected with the pins 11, the bending radius of the wires 21 in the width direction or the smaller diameter direction is reduced, the use length of the wires 21 is shortened, and the length of the wires 21 is shortened.

[0063] The above descriptions are only the preferred embodiments of the present application, and are not intended to limit the present application. The present application can have various modifications and changes for those skilled in the art. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A coil component characterized by comprising: The application relates to a stator assembly (10) and a wire assembly (20). The stator assembly (10) comprises a plurality of pins (11) arranged in sequence. The wire assembly (20) comprises wires (21) and a fixing structure, the wires (21) are arranged in sequence, the fixing structure covers at least a part of each wire (21) along the extension direction of the wire (21), and the parts of the wires (21) covered by the fixing structure are arranged in sequence and side by side.

2. The coil component according to claim 1, characterized by The fixing structure is an insulating sheath (22), and the cross section of the insulating sheath (22) is in the shape of an ellipse, a rectangle, a rounded rectangle or an oblong.

3. The coil assembly of claim 1, wherein, The wire assembly (20) further comprises a connector (30) for connecting a power supply, the fixing structure is an insulating sheath (22), the wire (21) comprises a first segment (211), a second segment and a third segment (213) connected in sequence, the second segment is covered by the insulating sheath (22), the first segment (211) is exposed to the insulating sheath (22) and electrically connected to the pin (11), and the third segment (213) is exposed to the insulating sheath (22) and connected to the connector (30); wherein the second segments are arranged in sequence and side by side, the arrangement sequence of the first segments (211) in the distribution direction of the second segments is the same as that of the second segments, and the initial arrangement sequence of the third segments (213) is the same as that of the second segments.

4. The coil assembly of claim 1, wherein, The fixing structure is an insulating sheath (22), and the coil component further comprises a sealing structure (40) covering at least the connection position of the wire (21) and the pin (11).

5. The coil assembly of claim 4, wherein, The wire (21) comprises a first segment (211) and a second segment connected to each other, the second segment is covered by the insulating sheath (22), the first segment (211) is exposed to the insulating sheath (22) and electrically connected to the pin (11), and the sealing structure (40) covers a part of the insulating sheath (22), the pin (11) and the first segment (211).

6. The coil assembly of claim 4, wherein, The wire (21) comprises a first segment (211) and a second segment, the second segment is covered by the insulating sheath (22), the first segment (211) is exposed to the insulating sheath (22), the first segment (211) comprises a connecting segment (2111) and an insulating segment (2112) connected to each other, the connecting segment (2111) is electrically connected to the pin (11), the insulating segment (2112) is connected to the second segment, the sealing structure (40) covers the pin (11), the connecting segment (2111) and at least a part of the insulating segment (2112), and the insulating sheath (22) is exposed to the sealing structure (40).

7. The coil assembly of claim 4, wherein, The sealing structure (40) is a glue filling structure or an injection molding structure.

8. The coil assembly of claim 1, wherein, The plurality of wires (21) are different in color, and the plurality of wires (21) of different colors are arranged in a set color sequence, wherein the first color in the set color sequence is a standard color.

9. The coil assembly of claim 8, wherein, The wire (21) of the standard color is a first wire, the plurality of wires (21) comprise, in sequence, the first wire, a second wire, a third wire, a fourth wire, a fifth wire, and a sixth wire, the pin (11) comprises, in sequence, a first pin, a second pin, a third pin, a fourth pin, a fifth pin, and a sixth pin, and the plurality of wires (21) and the plurality of pins (11) are electrically connected one by one in the same sequence.

10. The coil assembly of claim 8, wherein, The wire (21) of the standard color is a first wire, the plurality of wires (21) comprise, in sequence, the first wire, a second wire, a third wire, a fourth wire, and a fifth wire, the pin (11) comprises, in sequence, a first pin, a second pin, a third pin, a fourth pin, a fifth pin, and a sixth pin, the first wire is electrically connected to the first pin, the second wire is electrically connected to the second pin, the third wire is electrically connected to the third pin and the fourth pin, the fourth wire is electrically connected to the fifth pin, and the fifth wire is electrically connected to the sixth pin.

11. The coil assembly of claim 1, wherein, The wire (21) is directly connected to the pin (11), or the wire (21) is riveted to the pin (11) through a terminal, or the wire (21) is welded to the pin (11) through a circuit board.

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