Dual-interface control coil for vehicle

By designing a bidirectional pin and plastic-coated housing structure for automotive dual-interface control coils, the problems of coil damage requiring replacement and assembly errors were solved, enabling automated production and dual-channel voltage functionality, extending service life and improving safety and reliability.

CN223857951UActive Publication Date: 2026-01-30WUHAN TIANYUN AUTO ELECTRIC SYST CO LTD
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Patent Information

Application Number
CN202520087889.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-01-30
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Existing dual-interface control coils for automobiles require replacement of the entire coil when damaged, which is costly and affects usability. Furthermore, assembly errors in automated production lead to significant wobbling, impacting quality and safety.

Method used

Design a dual-interface control coil for automotive applications, employing a bidirectional pin and plastic-coated housing structure to achieve automated production. It features dual-channel input voltage and heat dissipation slots, ensuring that the other can replace the damaged interface. Assembly accuracy is improved through a limiting structure and inner tension sheet, and heat dissipation performance is enhanced by the plastic-coated housing.

Benefits of technology

It enables automated coil production and dual-channel voltage functionality, extending service life, improving safety and reliability, reducing temperature rise, preventing assembly vibration, and ensuring that the other interface can function normally even if one interface fails.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automotive electromagnetic valves, and discloses an automotive double-interface control coil which comprises a coil assembly, two bidirectional contact pins are fixedly connected to the top of the coil assembly side by side, a plastic-coated shell is formed outside the coil assembly in a pouring mode, and the plastic-coated shell comprises a bottom plate. A mounting cylinder is vertically arranged in the center of the top of the bottom plate, a first plug and a second plug are arranged on the two opposite sides of the periphery of the mounting cylinder respectively, metal linings are inlaid in the two opposite ends of the bottom plate, and the coil assembly is located in the mounting cylinder. Electric appliance interfaces at two end points of the coil are communicated with each other, mistakes can be effectively prevented during installation, and the other one can continue to work normally when one is damaged, so that the service life of equipment is prolonged, and the safety performance of the equipment is improved; heat dissipation and heat conduction are fast and temperature rise is low by adopting the plastic-coated shell; and the dual-channel input voltage is adopted, so that the reliability of the product function is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vehicle solenoid valve, concretely relates to a vehicle double -interface control coil. BACKGROUND

[0002] Vehicle double -interface control coil energization can produce magnetic force and make the commutating valve core on the power module act to change the passage flow direction and flow of cooling medium.

[0003] The electromagnetic coil can only be replaced with a new component in the case of damage, which is time-consuming and laborious, and the price of the new component is also relatively high. The more troublesome problem is that the vehicle cannot be driven in the case of damage on the way, which greatly affects the use and driving experience of the vehicle.

[0004] Secondly, in the current automatic production process of the coil, since the valve coil is an assembly, there is inevitably a large amount of shaking in the assembly due to the production tolerance of the parts and the assembly error. This shaking directly damages the quality of the product, thereby greatly increasing the rate of defective products, causing not small loss, and greatly affecting the performance, safety and service life of the coil.

[0005] Therefore, it is necessary to ensure convenient automatic production while reducing the product shaking amount by redesigning the structure of the parts to increase the practical safety and prolong the service life of the product. The above problems need to be solved by the skilled person in the art. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a vehicle double -interface control coil, which aims at solving the above technical problems existing in the prior art.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A vehicle double -interface control coil, comprising a coil assembly, the top of the coil assembly is fixedly connected with two bidirectional pins side by side, the outside of the coil assembly is formed with a plastic -coated shell by pouring, the plastic -coated shell comprises a bottom plate, a mounting cylinder is vertically arranged at the top of the bottom plate, plug -in one and plug -in two are arranged on the opposite sides of the four peripheries of the mounting cylinder, metal bushings are embedded in the opposite ends of the bottom plate, and the coil assembly is in the mounting cylinder.

[0009] The top of the pin is provided with a first pin and a second pin, the first pin and the second pin are arranged in a straight line and arranged in opposite directions, the middle part of the pin is embedded in the material of the plastic -coated shell, and the first pin and the second pin are respectively inserted into the inside of plug -in one and plug -in two.

[0010] In a preferred embodiment of the utility model, the coil assembly includes a coil holder, two jack plugs are arranged side by side on the top side of the coil holder, the bottom of the pin is inserted into the inside of the jack plug, the coil holder is externally connected with an enameled coil, the two ends of the enameled coil are respectively welded with two pins, the coil holder is press-fitted in the inside of the metal shell, a hollow groove is formed in the side of the top of the metal shell corresponding to the two jack plugs, the pin and the jack plug are exposed outside the metal shell through the hollow groove, the metal shell cooperates with the positioning structure on the top of the coil holder, and the buckle end of the metal shell is press-fitted with a magnetic pad.

[0011] In a preferred embodiment of the utility model, the positioning structure is a limiting column arranged on the top of the coil holder and close to the jack plug, and the distance between the two limiting columns matches the width of the hollow groove.

[0012] In a preferred embodiment of the utility model, the top and the bottom of the coil holder are uniformly provided with a plurality of inner flanges, and the coil holder is clamped in the inside of the metal shell through the plurality of inner flanges.

[0013] In a preferred embodiment of the utility model, a heat dissipation groove is formed in the top center of the plastic shell.

[0014] In a preferred embodiment of the utility model, the connecting lines of the plug-in connector I and the plug-in connector II are arranged at an acute angle with the connecting lines of the two metal bushings.

[0015] The utility model has the advantages of:

[0016] The coil assembly has simple assembly process, easy operation, automatic production, mutual communication of the two end points of the coil, error prevention during installation, normal work of the other one in the case of damage, prolonged service life and safety performance, rapid heat dissipation and heat conduction of the plastic shell, low temperature rise, double-channel input voltage, and increased reliability of product functions. DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a three-dimensional explosion structure schematic view of the utility model;

[0019] Figure 3 It is a full-section plane structure schematic view of the utility model;

[0020] Figure 4 It is a three-dimensional explosion structure schematic view of the coil assembly;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the pin;

[0022] Figure 6 This is a schematic diagram of the three-dimensional structure of the coil frame.

[0023] The attached diagram includes the following reference numerals: 1. Plastic-coated outer shell; 11. Connector 1; 12. Heat dissipation groove; 13. Connector 2; 14. Mounting cylinder; 15. Base plate; 2. Metal bushing; 3. Coil assembly; 31. Metal outer shell; 311. Hollowed-out groove; 32. Enamelled coil; 33. Coil frame; 331. Limiting post; 332. Socket; 333. Inner sheet; 34. Magnetizing pad; 4. Bidirectional pin; 41. First pin; 42. Second pin. Detailed Implementation

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.

[0025] Example:

[0026] like Figures 1-6 As shown, this embodiment provides a vehicle dual-interface control coil, including a coil assembly 3. Two bidirectional pins 4 are fixedly connected side by side to the top of the coil assembly 3. The coil assembly 3 is externally cast with a plastic-coated shell 1. The plastic-coated shell 1 includes a base plate 15. A mounting cylinder 14 is vertically arranged at the top center of the base plate 15. Connector 11 and connector 2 13 are respectively arranged on opposite sides of the mounting cylinder 14. Metal bushings 2 are inlaid at opposite ends of the base plate 15. The coil assembly 3 is located inside the mounting cylinder 14.

[0027] The top of the pin is provided with a first pin 41 and a second pin 42. The first pin 41 and the second pin 42 are arranged in a straight line and in opposite directions. The middle part of the pin is embedded in the material of the plastic-coated shell 1. The first pin 41 and the second pin 42 are respectively inserted into the inside of the connector 11 and the connector 2 13.

[0028] Specifically, such as Figures 1-5As shown, the electromagnetic valve can generate magnetic force to make the commutating valve core on the power module act to change the flow direction and flow of the cooling medium, adopts double-channel input voltage, the pin is set to bidirectional (with first pin 41, second pin 41), and two connectors (connector one 11 and connector two 13) are arranged on the surface of the plastic shell 1 to match the pin, so that the electromagnetic valve has two connectors, and any one can be plugged into the corresponding device of the vehicle, when one connector is damaged, the other can also be used to replace, thereby playing the role of secondary protection, thereby prolonging the service time of the electromagnetic valve, and the plastic shell 1 can also greatly improve the heat dissipation capacity of the electromagnetic valve, thereby improving the product quality of the electromagnetic valve;

[0029] The assembly process of the electromagnetic valve is as follows:

[0030] The enameled coil 32 and the coil holder 33 are assembled into a coil assembly 3 in a winding manner;

[0031] The coil assembly 3, the metal shell 31 and the magnetic enhancement pad 34 are assembled into a riveting part in a riveting manner;

[0032] The riveting part and the left and right pins are assembled into a press-fitting assembly in a press-fitting and welding manner;

[0033] The press-fitting assembly, the metal bushing 2 and the plastic shell 1 are assembled into a coil assembly in an injection molding process;

[0034] The structure has the following advantages:

[0035] The coil assembly has simple assembly process and easy operation, can realize automatic production, and can realize mutual communication of two end points of the coil, can effectively prevent errors during installation, and can continue to work normally under the condition that one is damaged, thereby prolonging the service life and safety performance of the equipment; the plastic shell 1 is adopted, heat dissipation and heat conduction are fast, and the temperature rise is low; and the double-channel input voltage is adopted, the reliability of the product function is improved.

[0036] In a preferred embodiment of the utility model, further, the coil assembly 3 includes the coil holder 33, two insertion holes 332 are arranged side by side on the top of the coil holder 33, the bottom of the pin is inserted into the insertion hole 332, the enameled coil 32 is wound on the outside of the coil holder 33, the two ends of the enameled coil 32 are welded with the two pins respectively, the coil holder 33 is press-fitted in the inside of the metal shell 31, the hollow groove 311 is arranged at the side corresponding to the two insertion holes 332 on the top of the metal shell 31, the pin and the insertion hole 332 are exposed outside the metal shell 31 through the hollow groove 311, the metal shell 31 is matched with the positioning structure on the top of the coil holder 33, and the magnetic enhancement pad 34 is press-fitted on the buckle end of the metal shell 31.

[0037] In a preferred embodiment of the utility model, further, the positioning structure is a limiting column 331 arranged on the top of the coil holder 33 and close to the jack 332, the distance between the two limiting columns 331 matches the width of the hollow groove 311.

[0038] In a preferred embodiment of the utility model, further, the top and bottom of the coil holder 33 are evenly provided with a plurality of inner expansion pieces 333, and the coil holder 33 is clamped inside the metal shell 31 through the plurality of inner expansion pieces 333.

[0039] In a preferred embodiment of the utility model, further, a heat dissipation groove 12 is arranged in the top center of the plastic-coated shell 1.

[0040] Specifically, as shown in Figure 6 After the coil holder 33 is pressed into the metal shell 31 through the plurality of inner expansion pieces 333 evenly distributed around the coil holder 33, the coil holder 33 is firmly clamped inside the metal shell 31 through the slight deformation of the inner expansion pieces 333, so that the structure of the coil is more firm and reliable, and through the arrangement of the inner expansion pieces 333, the automatic mechanical equipment can accurately clamp and position the coil holder 33 in the fully automated production process, which facilitates the smooth implementation of the installation process; at the same time, through the arrangement of the hollow groove 311 and the two limiting columns 331 arranged on the top of the coil holder 33, the installation position of the metal shell 31 and the coil holder 33 is accurately positioned, which prevents the rotation of the coil holder 33 outside and increases the assembly shaking amount of the coil, thereby effectively improving the assembly progress of the product, thereby further improving the quality of the product.

[0041] In addition, in order to further improve the heat dissipation capacity of the coil, a heat dissipation groove 12 is arranged on the top of the shell, and the oil in the vehicle can circulate into the heat dissipation groove 12 to efficiently cool the coil during the operation of the coil, so that the coil has better heat dissipation performance, thereby further improving the comprehensive performance of the product.

[0042] In a preferred embodiment of the utility model, further, the connecting lines of the plug-in connector one 11 and the plug-in connector two 13 are arranged at an acute angle with the connecting lines of the two metal bushings 2.

[0043] Specifically, as shown in Figure 1 Through the acute angle arrangement, the coil can be very conveniently connected with other components of the vehicle after installation, thereby facilitating the operator to use the product for installation, so that the product is very practical.

[0044] It should be explained finally: above only is the preferred embodiment of the utility model, and is not used for limiting the protection scope of the utility model. Any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A double-interface control coil for vehicle, comprising a coil assembly (3), the top of the coil assembly (3) is fixedly connected with two bidirectional pins (4) side by side, characterized in that, The coil assembly (3) is externally casted with a plastic-encased shell (1), the plastic-encased shell (1) comprises a bottom plate (15), a mounting cylinder (14) is vertically arranged at the top center of the bottom plate (15), opposite sides of the mounting cylinder (14) are respectively provided with a plug one (11) and a plug two (13), metal bushings (2) are inlaid at opposite ends of the bottom plate (15), and the coil assembly (3) is inside the mounting cylinder (14); The top of the pin is provided with a first pin (41) and a second pin (42), the first pin (41) and the second pin (42) are arranged in a linear type and arranged in opposite directions, the middle part of the pin is embedded in the material of the plastic-encased shell (1), and the first pin (41) and the second pin (42) penetrate into the inside of the plug one (11) and the plug two (13) respectively.

2. The dual interface control coil for automotive use according to claim 1, characterized by, The coil assembly (3) comprises a coil holder (33), two insertion holes (332) are arranged side by side on one side of the top of the coil holder (33), the bottom of the pin is inserted into the insertion hole (332), an enameled coil (32) is wound outside the coil holder (33), two ends of the enameled coil (32) are respectively welded with two pins, the coil holder (33) is press-fitted in the inside of a metal shell (31), a hollow groove (311) is arranged on one side of the top of the metal shell (31) corresponding to the two insertion holes (332), the pin and the insertion hole (332) are arranged outside the metal shell (31) through the hollow groove (311), the metal shell (31) is matched with the positioning structure on the top of the coil holder (33), and a magnetic enhancement pad (34) is press-fitted on the buckle end of the metal shell (31).

3. The dual interface control coil for automotive use according to claim 2, characterized by, The positioning structure is a limiting column (331) arranged on the top of the coil holder (33) and close to the insertion hole (332), and the distance between the two limiting columns (331) matches the width of the hollow groove (311).

4. The dual interface control coil for automotive use according to claim 3, characterized by, The top and the bottom of the coil holder (33) are uniformly provided with a plurality of inner tension sheets (333), and the coil holder (33) is clamped in the inside of the metal shell (31) through the plurality of inner tension sheets (333).

5. The dual interface control coil for automotive use according to claim 1, wherein A heat dissipation groove (12) is arranged at the top center of the plastic-encased shell (1).

6. The dual interface control coil for automotive use according to claim 1, wherein The connection lines of the plug one (11) and the plug two (13) are arranged at an acute angle with the connection lines of the two metal bushings (2).