TWI808030B - Electromagnet structure for using in car lights - Google Patents

Abstract

An electromagnet structure for using in car lights is provided. The electromagnet structure is configured to be disposed on a heat dissipation device of the car lights and includes a casing, a winding seat, a coil, a movable iron core, and a push-pull rod. The winding seat is disposed in the casing, the coil is wound on the winding seat, the movable iron core is disposed in the winding seat, the push-pull rod is connected to the movable iron core, and one end of the push-pull rod forms a clamping seat that can be used for clamping one end of a driving rod, then an assembly of the electromagnet structure and the driving rod is relatively simple and easy. The electromagnet structure also includes a Zener diode and a connector. The Zener diode is configured to provide stabilizing voltage. The connector is configured to be used to transmit electricity to the coil to drive the movable iron core that can drive the push-pull rod and switch between high beam and low beam.

Description

Electromagnet structure applied to car lights

The invention relates to an electromagnet structure, in particular to an electromagnet structure applied to a car lamp.

Vehicles such as automobiles or locomotives are equipped with high beams and low beams. The existing high beams and low beams can be switched between high beams and low beams by using a switching structure. The switching structure has a light-shaped plate arranged in front of the light source. However, the existing electromagnets used in car lights must be provided with a connecting mechanism to connect with the light-shaped plate, which causes inconvenience in assembly. Furthermore, most of the existing car lights have the problem of unstable voltage, which reduces the safety of using the car lights.

The technical problem to be solved by the present invention is to provide an electromagnet structure applied to vehicle lights, which can provide a stable voltage function to improve the safety of vehicle lights and make assembly easier.

In order to solve the above-mentioned technical problems, the present invention provides an electromagnet structure applied to a car lamp. The car lamp has a driving rod. The electromagnet structure includes: a housing; a winding seat, the winding seat is arranged in the casing; a coil, the coil is arranged on the winding seat; One end holding the driving rod; a connector, the connector is arranged on one side of the housing; and a Zener diode, the Zener diode is electrically connected between the coil and the connector, and the Zener diode can provide a stable voltage function; wherein the connector can transmit power to the coil through the Zener diode to drive the movable iron core to drive the push-pull rod to link with the drive rod, so as to switch between the high beam and the low beam of the car lamp.

The beneficial effect of the present invention is that the electromagnet structure applied to the vehicle light provided by the present invention includes a casing, a winding seat, a coil, a movable iron core, a push-pull rod, a connector and a Zener diode. The winding seat is arranged in the casing, the coil is arranged on the winding seat, the movable iron core is arranged in the winding seat, the movable iron core is located in the coil, the push-pull rod is connected to the movable iron core, and one end of the push-pull rod forms a clamping seat, which can be used to clamp one end of the driving rod. The connector is arranged on one side of the shell, and the Zener diode is electrically connected between the coil and the connector. The connector can transmit power to the coil through the Zener diode to drive the movable iron core to drive the push-pull rod to link the drive rod to switch between high beam and low beam. The Zener diode can provide a stable voltage function to avoid damage to the lamp, thereby improving the safety of the lamp. The push-pull rod uses the clamping seat to clamp one end of the drive rod, which makes assembly easier.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings related to the present invention. However, the provided drawings are only for reference and description, and are not intended to limit the present invention.

The following are specific examples to illustrate the implementation methods disclosed in the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only for simple illustration, and are not drawn according to the actual size, which is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention. In addition, the term "or" used herein may include any one or a combination of more of the associated listed items depending on the actual situation.

[Example]

Referring to FIGS. 1 to 4 , the present invention provides an electromagnet structure applied to a car lamp. The electromagnet structure can be arranged on a heat dissipation device 100 (as shown in FIG. 7 ) of a car lamp.

The shell 1 is a hollow shell, the shell 1 can have a first end plate 11, a second end plate 12 and a connecting plate 13, the first end plate 11 and the second end plate 12 are connected to opposite ends of the connecting plate 13, the first end plate 11 and the second end plate 12 can be parallel to each other. The winding seat 2 is disposed in the casing 1 , and the winding seat 2 can be disposed between the first end plate 11 and the second end plate 12 , so that the winding seat 2 can be stably positioned in the casing 1 . The coil 3 is arranged on the winding seat 2 , the movable iron core 4 is arranged in the winding seat 2 , and the movable iron core 4 is located in the coil 3 .

The push lever 5 is connected to the active iron core 4. The end of the push rod 5 forms a clip seat 51, which can be used to hold one end of the driver lever 101. It is better. The clip seat 51 is a circular body. The clip seat 51 has a ring groove 511. One end can be easily matched in the ring groove 511, and the effect of fast assembly can be achieved. When the coil 3 is energized to generate excitation, the movable iron core 4 is affected by the magnetic circuit to move, so as to drive the push-pull rod 5 to link the driving rod 101, thereby switching between high beam and low beam.

When the electromagnet structure starts, the push-pull rod 5 can drive the light-shaped plate (not shown) through the drive rod 101 to switch high beam or low beam. The drive rod 101 is pivotally arranged on the car light. The left-right direction A moves (as shown in Figure 7), and the driven end 103 can move along a front-rear direction B, that is, the active end 102 can be pushed by the push-pull rod 5 of the electromagnet structure to move along the left-right direction A, and the driven end 103 can move along the front-rear direction B to push the light-shaped plate (figure omitted), so that the push-pull rod 5 of the electromagnet structure can drive the light-shaped plate through the drive rod 101 to switch between high beam and low beam of the car lamp, and can change the electromagnet structure and light-shaped plate power. The transmission direction makes the configuration of the electromagnet structure and the light-shaped plate more flexible, and enables the electromagnet structure to be placed horizontally on the front end of the heat sink 100 to save space and reduce the overall height.

In this embodiment, a guide seat 6 is also arranged in the winding seat 2, the guide seat 6 is arranged in the clamping seat 51 of the push-pull rod 5 in the winding seat 2, a perforation 61 and a taper hole 62 (as shown in Figure 3 ) are provided in the guide seat 6, one end of the perforation 61 and one end of the taper hole 62 are connected, the other end of the perforation 61 penetrates to one end of the guide seat 6, and the other end of the taper hole 62 penetrates to the other end of the guide seat 6. The push-pull rod 5 passes through the guide seat 6 , and the push-pull rod 5 passes through the perforation 61 and the tapered hole 62 of the guide seat 6 . The tapered hole 62 is disposed in the guide seat 6 close to the movable iron core 4 , and the diameter of the tapered hole 62 increases toward the direction of the movable iron core 4 . One end of the movable iron core 4 forms a taper 41 , which is close to the guide seat 6 , and the diameter of the taper 41 decreases toward the direction of the guide seat 6 , so that the taper 41 forms a taper matching the tapered hole 62 . When the movable iron core 4 moves due to the influence of the magnetic circuit, the tapered portion 41 can cooperate with the tapered hole 62 to guide the movable iron core 4 and the push-pull rod 5 to move stably in a straight line. In addition, a return spring 9 can also be arranged between the movable iron core 4 and the guide seat 6, and the return spring 9 can push the movable iron core 4 and the push-pull rod 5 to move and reset.

In this embodiment, a rear bearing 14 is provided between the movable iron core 4 and the first end plate 11 of the housing 1 to support and guide the movable iron core 4 to move more stably and smoothly. A front bearing 63 is also arranged between the push-pull rod 5 and the guide seat 6 to support and guide the push-pull rod 5 to move more stably and smoothly.

The electromagnet structure also includes a connector 7 and a Zener diode 8. The connector 7 and the Zener diode 8 are arranged on one side (bottom side) of the housing 1. The Zener diode 8 is electrically connected between the coil 3 and the connector 7. The connector 7 can be used to transmit power to the coil 3. The Zener diode 8 can provide a stable voltage function. The connector 7 transmits electric power to the coil 3 to drive the movable iron core 4 to drive the push-pull rod 5 to link the drive rod 101 to switch between high beam and low beam.

Please refer to FIGS. 4 to 6. In this embodiment, the connector 7 includes an insulating body 71 and at least two terminals 72. The insulating body 71 is made of an insulating material such as plastic. The terminals 72 are made of a metal material with good conductivity such as copper. There is a lead portion 723 between the first end 721 and the second end 722, and the first end 721 of these terminals 72 extends into the slot 711 of the insulating body 71, and can be used to contact with the terminal (not shown) of the mating connector for inputting the required power. The second end 722 and the lead portion 723 of these terminals 72 extend out of the insulating body 71, and the second end 722 and the lead portion 723 of these terminals 72 can extend out of one side (bottom side) of the insulating body 71. The lead portion 723 of these terminals 72 can be used for inserting the Zener diode 8, and the second end 722 of these terminals 72 can be used to electrically connect to the coil 3, so that the Zener diode 8 is electrically connected between the connector 7 and the coil 3, and can provide stability. function of voltage. The connector 7 can have the function of inputting electric power, and also has the function of inserting the Zener diode 8 .

The outer side of the insulating body 71 can also be snap-connected with a housing 73 , and the housing 73 covers the second ends 722 of the terminals 72 , the connecting portion 723 and the Zener diode 8 to protect the Zener diode 8 . Preferably, one end of the insulating body 71 can be extended to form a fixing plate 74, and the fixing plate 74 can be sandwiched between the shell 1 and the winding seat 2, that is, the fixing plate 74 can be sandwiched between the first end plate 11 of the shell 1 and the winding seat 2, so that the Zener diode 8 and the connector 7 can be stably arranged on one side of the shell 1, and the assembly is simple and easy. Preferably, the length L1 of the insulating body 71 and the housing 73 (as shown in FIG. 3 ) is not greater than the length L2 of the housing 1, that is, the length L1 of the insulating housing 71 and the housing 73 is equal to or less than the length L2 of the housing 1, without taking up more space.

[Advantageous Effects of Embodiment]

The beneficial effect of the present invention is that the electromagnet structure applied to the vehicle light provided by the present invention includes a casing, a winding seat, a coil, a movable iron core, a push-pull rod, a connector and a Zener diode. The winding seat is arranged in the casing, the coil is arranged on the winding seat, the movable iron core is arranged in the winding seat, the movable iron core is located in the coil, the push-pull rod is connected to the movable iron core, and one end of the push-pull rod forms a clamping seat, which can be used to clamp one end of the driving rod. The connector is arranged on one side of the shell, and the Zener diode is electrically connected between the coil and the connector. The connector can transmit power to the coil through the Zener diode to drive the movable iron core to drive the push-pull rod to link the drive rod to switch between high beam and low beam. The Zener diode can provide a stable voltage function to avoid damage to the lamp, thereby improving the safety of the lamp. The push-pull rod uses the clamping seat to clamp one end of the drive rod, which makes assembly easier.

The content disclosed above is only a preferred feasible embodiment of the present invention, and does not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the scope of the patent application of the present invention.

1: shell 11: First end plate 12: Second end plate 13: Connection board 14: Rear bearing 2: winding seat 3: Coil 4: Movable iron core 41: cone 5: push-pull rod 51: clamping seat 511: Annular groove 6: Guide seat 61: perforation 62: taper hole 63:Front bearing 7: Connector 71: Insulation body 711: slot 72: terminal 721: first end 722: second end 723: Leading part 73: shell 74: Fixed plate 8: Zener diode 9: return spring L1: the length of the insulating body and the shell L2: the length of the housing 100: cooling device 101: drive rod 102: active end 103: slave end A: left and right direction B: Front and rear directions

Fig. 1 is a perspective view of the structure of the electromagnet applied to the lamp of the present invention.

Fig. 2 is a perspective view from another angle of the electromagnet structure applied to the vehicle lamp according to the present invention.

Fig. 3 is a III-III sectional view of Fig. 1 .

Fig. 4 is a three-dimensional exploded view of the electromagnet structure applied to a vehicle lamp according to the present invention.

FIG. 5 is an exploded perspective view of the Zener diode and the connector of the present invention.

FIG. 6 is a perspective view of the Zener diode and the connector of the present invention.

FIG. 7 is a schematic diagram of the electromagnet structure applied to a car lamp according to the present invention being installed on a heat sink of a car lamp.

1: shell

11: First end plate

12: Second end plate

13: Connection board

14: Rear bearing

2: winding seat

3: Coil

4: Movable iron core

41: cone

5: push-pull rod

51: clamping seat

511: Annular groove

6: Guide seat

63:Front bearing

7: Connector

71: Insulation body

711: slot

72: terminal

721: first end

722: second end

723: Leading part

73: shell

74: Fixed plate

8: Zener diode

Claims (10)

An electromagnet structure applied to a car lamp, the car lamp has a driving rod, and the electromagnet structure includes: a shell; a winding seat, the winding seat is arranged in the shell; a coil, the coil is arranged on the winding seat; A movable iron core, the movable iron core is arranged in the winding seat, and the movable iron core is located in the coil; a push-pull rod, the push-pull rod is connected to the movable iron core, and one end of the push-pull rod forms a clamping seat, which can be used to clamp one end of the drive rod; a connector disposed on one side of the housing; and A Zener diode, the Zener diode is electrically connected between the coil and the connector, and the Zener diode can provide a stable voltage function; Wherein the connector can transmit electric power to the coil through the zener diode to drive the movable iron core to drive the push-pull rod to link the drive rod to switch the high beam and low beam of the vehicle light. The electromagnet structure applied to vehicle lights as described in claim 1, wherein the connector includes an insulating body and at least two terminals, the insulating body has a slot, the terminals are arranged on the insulating body, each of the terminals has a first end and a second end, a conducting portion is provided between the first end and the second end, the first ends of the terminals extend into the slot of the insulating body, the second ends of the terminals and the conducting portion extend out of the insulating body, and the conducting portions of the terminals can be used for inserting the Zener diode. The second end of the terminal is electrically connected to the coil. The electromagnet structure applied to vehicle lamps as claimed in claim 2, wherein the outer side of the insulating body is buckled and connected to a housing, and the housing covers the second ends of the terminals, the connecting portion and the outer body of the Zener diode. The electromagnet structure applied to vehicle lights as claimed in Claim 3, wherein the lengths of the insulating body and the housing are equal to or less than the length of the housing. According to claim 2, the electromagnet structure applied to vehicle lights, wherein one end of the insulating body is extended to form a fixing plate, and the fixing plate is sandwiched between the casing and the winding seat. The electromagnet structure applied to vehicle lights as described in Claim 1, wherein the housing has a first end plate, a second end plate and a connecting plate, the first end plate and the second end plate are connected to opposite ends of the connecting plate, the winding seat is arranged between the first end plate and the second end plate, and a rear bearing is arranged between the movable iron core and the first end plate of the housing. The electromagnet structure applied to vehicle lights as described in Claim 1, wherein a guide seat is provided in the winding seat, and the guide seat is arranged in the winding seat near the clamping seat of the push-pull rod. A perforation and a taper hole are provided in the guide seat. The push-pull rod passes through the perforation and the taper hole. The taper hole is provided in the guide seat near the movable iron core. For the guide seat, the diameter of the taper portion decreases toward the direction of the guide seat, and the taper portion forms a taper matching the taper hole. The electromagnet structure applied to vehicle lights as claimed in claim 7, wherein a front bearing is arranged between the push-pull rod and the guide seat. The electromagnet structure applied to vehicle lamps as described in Claim 1, wherein the clamping seat is circular, and an annular groove is provided in the clamping seat, and the annular groove is arranged on the clamping seat, and one end of the driving rod fits in the annular groove. The electromagnet structure applied to a vehicle lamp as described in Claim 1, wherein the driving rod is pivotally arranged on the vehicle lamp, the driving rod has a driving end and a driven end, the clamping seat of the push-pull rod clamps the driving end of the driving rod, the driving end can move along a left-right direction, and the driven end can move along a front-rear direction for switching between high beam and low beam of the vehicle lamp.

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