KR200326841Y1 - Sensor for controlling ignition time - Google Patents

Abstract

The present invention relates to a sensor for ignition timing control, the magnet is coupled to the connector integrated body inserted into the terminal and the bush is inserted integrally, the printed circuit board with an IC is assembled to the magnet of the connector integrated body, the connector The plastic housing is coupled to the integrated body. The sensor for ignition timing control according to the present invention can reduce the number of parts and minimize the number of processes by eliminating the conventional IC support, and the manufacturing process is simplified by reducing the number of parts.

Description

Sensor for ignition timing control {SENSOR FOR CONTROLLING IGNITION TIME}

The present invention relates to a sensor for ignition timing control, and in particular, to improve the assembly and productivity by improving the ignition timing control sensor such as MR sensor and Hall sensor mounted on the engine to control the ignition timing of the engine. The present invention relates to a sensor for ignition timing control.

In general, the sensor for ignition timing control detects a target in the form of a gear. When the tooth passes through the face face of the sensor and the slot face passes, the magnetic field changes. It converts the signal and delivers the signal.

4 to 7 show a conventional ignition timing control sensor, FIG. 4 is a perspective view showing an assembly form of an IC, a magnet and a printed circuit board, and FIG. 5 is a partially exploded perspective view of the ignition timing control sensor. 6 is a perspective view showing a state before the housing is coupled to the ignition timing control sensor, and FIG. 7 is an external perspective view of the ignition timing control sensor.

As shown in the drawing, in the conventional ignition timing control sensor, an IC (hall IC, MR IC) 51 is assembled to a support 52, and the IC assembly 53 is assembled to a magnet 54. Printed circuit board (PCB) 57 having electronic components 56 such as capacitors and resistors attached to the magnets 54 by soldering with leads of the IC 51. Connected, soldered to a terminal 59 of the connector-integrated body 58, inserted into the connector-integrated body 58 to a plastic housing 60, and bonded.

In the drawings, reference numeral 61 denotes a bush and 62 denotes an O-ring, respectively.

In manufacturing such a conventional ignition timing control sensor, an IC assembly 53 in which an IC 51 such as a hall IC is assembled to a support 52 is placed on a half moon-shaped magnet 54, and the IC As shown by the arrow in Fig. 4, the assembly 53 is moved in the N-pole or S-pole direction from the center axis of the magnet 54 to find the optimal sensing position, and then the position of the IC assembly 53 is fixed with an adhesive. Fix it.

In the magnet assembly 55 manufactured as described above, a printed circuit board (PCB) 57 having an electronic component 56 such as a capacitor and a resistor attached to the magnet 54 is assembled to the magnet 54. It is assembled by soldering with the lead of the IC 51. The semi-finished product manufactured up to this process is soldered with the terminal 59 of the integrated connector body 58, and then inserted into the plastic housing 60 to inject, cure, spin weld or heat epoxy. It bonded by welding etc., and the O-ring 62 was assembled and the finished product was produced.

The conventional ignition timing control sensor as described above requires an IC support, which is a separate component, to support the IC, and also requires an assembly process to go through various processes, which causes a complicated assembly process and a decrease in productivity.

The present invention was devised to solve the above-mentioned problems and defects as described above. By minimizing the number of parts and the number of processes, it is possible to reduce the management cost, reduce the cost by reducing the part cost, and reduce the quality by reducing the process management. An object of the present invention is to provide an ignition timing control sensor capable of improving the level of ignition.

1 to 3 show an ignition timing control sensor according to the present invention,

1 is a partially exploded perspective view of a sensor for ignition timing control.

Figure 2 is a perspective view showing a state before coupling the housing to the sensor for ignition timing control.

Figure 3 is an external perspective view of the sensor for ignition timing control.

4 to 7 show a conventional ignition timing control sensor,

Figure 4 is a perspective view showing the assembly form of the IC and the magnet and the printed circuit board.

5 is a partially exploded perspective view of an ignition timing control sensor.

Figure 6 is a perspective view showing a state before coupling the housing to the sensor for ignition timing control.

7 is an external perspective view of the sensor for ignition timing control.

<Description of the symbols for the main parts of the drawings>

10: connector integrated body 11: magnet

12: terminal 13: bush

20: printed circuit board 21: IC

30: housing

In order to achieve the above object, the sensor for ignition timing control according to the present invention has a magnet coupled to a connector integrated body in which a terminal and a bush are inserted to be integrally injected, and an IC is attached to a magnet of the connector integrated body. Is assembled, the plastic housing is coupled to the connector integrated body is configured.

The sensor for ignition timing control according to the present invention can reduce the number of parts and minimize the number of processes by eliminating the conventional IC support, and the manufacturing process is simplified by reducing the number of parts.

Hereinafter, with reference to the accompanying drawings of the present invention in detail as follows.

1 to 3 show the ignition timing control sensor according to the present invention, Figure 1 is a partial exploded perspective view of the ignition timing control sensor, Figure 2 is a perspective view showing a state before coupling the housing to the ignition timing control sensor 3 is an external perspective view of the sensor for ignition timing control.

As shown in the drawing, the sensor for ignition timing control according to the present invention has the magnet 11, the terminal 12, and the bush 13 inserted therein, and the IC 21 is attached to the connector-integrated main body 10 which is integrally injected. The circuit board 20 is assembled, and the plastic housing 30 is coupled to the connector integrated body 10.

The sensor for ignition timing control according to the present invention is such that the magnet 21, the terminal 12, and the bush 13 are inserted into the connector-integrated main body 10, which is inserted into the body, and the IC 21 such as the hole IC is soldered. Place the printed circuit board 20 and find and fix the optimal sensing position in the direction of the arrow shown in FIG.

Optimum sensing position adjustment of the present invention is to place the center of the IC 21 on the N, S pole central axis of the magnet 11, as in the conventional method, for this purpose is assembled by soldering to the printed circuit board 20 The IC 21 is moved in the N and S directions of the magnet 11 to find an optimal sensing position.

When the optimal sensing position is adjusted in this way, the position adjustment of the printed circuit board 20 is stopped and the printed circuit board 20 is soldered and fixed to the terminal 12 of the connector integrated body 10.

Then, the plastic housing 30 is coupled to, and bonded to, the connector integrated body 10.

The sensor for ignition timing control according to an embodiment of the present invention is described in the form of coupling the magnet 11 to the connector integrated body 10 by insert injection, but the magnet 11 to the connector integrated body 10. Other embodiments in which adhesives are bonded to each other may also be used.

In addition, the present invention integrates the magnet 11 to the connector integrated body 10 by insert injection or bonding, and the shape of the connector integrated body 10 may be changed according to requirements of a customer or a market. The shape and size of 20) can also be changed according to requirements. In addition, the shape of the connector integrated body 10 also includes a terminal coupling portion 10a to which the terminal 12 is coupled, a bush coupling portion 10b to which the bush 13 is coupled, and a printed circuit board to which the printed circuit board 20 is coupled. Although illustrated as a three-stage form provided with a coupling portion 10c, this form is also changed according to the requirements, the number of terminals may be changed.

As described above, the present invention can reduce the management cost by minimizing the number of parts and processes of the ignition timing control sensor, reduce the cost by reducing the part cost, and improve the quality level by reducing the process management. The effect is expected.

Claims (3)

The magnet 11 is coupled to the connector integrated body 10 inserted with the terminal 12 and the bush 13 inserted thereinto, and the printed circuit board 20 to which the IC 21 is attached is connected to the connector integrated body 10. It is assembled to the magnet (11) of the 10, the sensor for ignition timing control, characterized in that the plastic housing (30) is configured to be coupled to the connector integrated body (10). The sensor for ignition timing control according to claim 1, wherein the magnet (11) is inserted into the connector integrated body (10) in an insert-extruded form. The sensor for ignition timing control according to claim 1, wherein the magnet (11) is integrally bonded to the connector body (10) by an adhesive.