JPH0617099U - Deflection yoke device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a deflection yoke device that can be mounted by sharing a circuit board even in models having different lengths on the head side and the neck side. [Structure] Terminal 1 on the head side and the neck side of the deflection yoke device
Project 1 and 12. A model in which the fitting holes 15 and 16 of the circuit board 10 to be fitted to these terminals 11 and 12 are long holes extending in the direction connecting the head side and the neck side, and the length between the head side and the neck side is different. Also in, the circuit board 10 can be hung over the head side and the neck side.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a deflection yoke device mounted on a television receiver, a display device or the like.

[0002]

[Prior art]

 FIG. 6 shows a deflection yoke device mounted on a cathode ray tube of a television receiver or a display device. In this type of deflection yoke device, horizontal deflection coils (not shown) are mounted on the top side and the bottom side along the inner peripheral surface of the bobbin 2, and a vertical deflection coil (not shown) is provided outside the bobbin 2. ) And a core (not shown) attached to the outside thereof. Further, enlarged diameter portions 4a and 4b are formed on the head side and the neck side of the bobbin 2.

As is well known, with the recent trend toward larger television receivers and higher definition display devices, it is necessary to improve various characteristics of the deflection yoke devices mounted on these devices. Applicants have proposed a deflection yoke device as shown in FIG. Electronic components corresponding to the respective characteristic improvements are attached to the deflection yoke device. For example, a lid-shaped bobbin 8 is attached to the enlarged diameter portion 4b on the neck side of the deflection yoke device. FC (Field Coma Correction) coil 6 for correcting the green sensitivity of misconvergence is attached to the head side expanded magnetic field 4a or its vicinity, and a magnetic field leaks from the screen of the cathode ray tube. A pair of leakage magnetic field prevention coils 24 for preventing a leakage magnetic field that may adversely affect a pregnant woman, etc. is attached, while circuit components related to the FC coil 6 such as the variable antibody 7 are mounted on a circuit board. It is attached to 5. It should be noted that the length H in the height direction varies depending on the type of the deflection yoke device.

In this deflection yoke device, the lead wire of the vertical coil is wired from the neck portion, and the lead wire of the horizontal coil is wired from the head portion. Therefore, terminals 11 and 12 are provided on the head side and the neck side, respectively. As shown in FIG. 4, a plurality of fitting holes 3 for fitting the terminals 11 and 12 are formed on the head side and the neck side of the circuit board 5, respectively. The holes 3 are fitted to each other, and the circuit board 5 is hung on the head side and the neck side without rattling.

A conductor pattern of a wiring circuit is formed on the circuit board 5, and a modulator coil 22 connected to a differential coil 23, an FC coil 6 or the like for adjusting the balance of the inductance of the horizontal deflection coil, Electronic parts such as diodes, resistors and capacitors (not shown) are mounted.

In the deflection yoke device of this proposed example, electronic components are collectively mounted on one circuit board 5 as much as possible, and the circuit board 5 is laid over the head side and the neck side to simplify wiring work. There is.

[0007]

[Problems to be solved by the device]

 However, there are various types of deflection yoke devices of various sizes, and even if an attempt is made to share the circuit board 5 of this proposed example with these models, the terminals 11 and 12 on the head side and the neck side are different, and the terminals are different. If the fitting positions of 11 and 12 and the fitting hole 3 of the circuit board 5 do not match and the lengths of the terminals on the head side and the neck side are different, this circuit board 5 cannot be installed in common. There was a problem, and there was the problem of having to prepare a new circuit board according to the length each time.

The present invention has been made to solve the above problems, and an object thereof is to provide a deflection yoke device that can be mounted by sharing a circuit board even in models having different lengths on the head side and the neck side. To provide.

[0009]

[Means for Solving the Problems]

 The present invention is configured as follows to achieve the above object. That is, according to the present invention, terminals are provided on the head side and the neck side of the deflection yoke device, respectively, and are fitted to the head side terminal and the neck side terminal so that the circuit board is hung on the head side and the neck side. At least one of the first hole on the circuit board side that fits into the terminal on the head side and the second hole on the circuit board side that fits into the terminal on the neck side is located on the head side and the neck side. It is characterized in that it is formed in a long hole that is long in the direction that connects the two. Further, it is also a characteristic configuration of the present invention that the first hole and the second hole are directly provided on the circuit board.

[0010]

[Action]

 At least one of the first hole of the circuit board that fits the terminal on the head side and the second hole that fits the terminal on the neck side when the circuit board is bridged between the head side and the neck side of the deflection yoke device. Since it is a long hole, there is a margin in the fitting dimension, and even with a deflection yoke device of a model with different lengths on the head side and neck side, a common circuit board can be comfortably hung on the head side and neck side. Can be handed over.

[0011]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. In the description of the present embodiment, the same reference numerals will be given to the same names as those in the proposed example, and detailed description thereof will be omitted. FIG. 1 shows an explanatory view of the main configuration of the deflection yoke device according to this embodiment.

The characteristic of the present embodiment is that the head side terminal 11 and the first hole 15 to be fitted into the head side terminal 11 and the neck side terminal of the circuit board 10 which is laid over the head side and the neck side of the deflection yoke device. A second hole 16 that fits in 12 is formed, and the first hole 15 and the second hole 16 are long holes extending in the direction connecting the head side and the neck side.

FIG. 2 is an explanatory diagram of a circuit board mounted on the deflection yoke device according to this embodiment. A conductor pattern of a wiring circuit is formed on the circuit board 10, and electronic components (not shown) including a differential coil 23, a modulator coil 22 and the like are mounted. Further, a plurality of elongated holes 15 and 16 for fitting with the terminals 11 and 12 are formed on the head side and the neck side.

In this deflection yoke device, as shown in FIG. 1, a lid-shaped bobbin 8 is provided on the enlarged diameter portion 4b on the neck side, and a terminal 12 is provided on the lid-shaped bobbin 8 so as to project therefrom. The terminal 11 is provided on the enlarged diameter portion 4a on the side of the portion. Further, a pair of FC coils 6 are arranged on the neck side, and a pair of leakage magnetic field preventing coils 24 are arranged on the head side.

Next, a work operation of mounting the circuit board on the deflection yoke device of this embodiment will be described. First, the long holes 15 and 16 of the circuit board 10 shown in FIG. 2 are fitted into the terminals 11 and 12 on the head side and the neck side of the deflection yoke device, and the circuit board 10 is hung over the head side and the neck side. At this time, since the elongated holes 15 and 16 of the circuit board 10 have a sufficient dimension, they can be fitted in comfortably even if the distance between the head side and the neck side is different.

Next, the lead-out lead 14 of the vertical deflection coil attached to the bobbin 2 is pulled out to the neck side, and the FC coil is passed through the connection terminal 17 of the circuit board 10 which is laid between the neck side and the head side. 6 is connected. The lead wire 18 of the horizontal deflection coil mounted on the bobbin 2 is connected to the connection terminal 19 of the circuit board 5, and is connected to the head-side relay terminal 13 via the conductor pattern of the wiring circuit. It is connected to the leakage magnetic field preventing coil 24 via this terminal 13.

According to this embodiment, long holes 15 and 16 are formed in a direction connecting the head side and the neck side of the circuit board 10 and are fitted with the terminals 11 and 12 on the head side and the neck side. Therefore, there is a margin in the mating dimension, and even if the deflection yoke device of the model in which the dimensions between the head side and neck side terminals 11 and 12 are different, the elongated holes 15 and 16 correspond to the dimension change, the terminal 11 , 12 can be fitted with each other, it is not necessary to manufacture a circuit board 10 having a different size, and a circuit board 10 of the same model can be manufactured, so that work efficiency can be significantly improved. And standardization of circuit boards can be achieved.

The present invention is not limited to the above-mentioned embodiment, and various modes of implementation can be adopted. For example, in the above embodiment, the first and second holes 15 and 16 on the side of the circuit board 10 that fit into the terminals 11 and 12 on the head side and the neck side of the deflection yoke device are oriented in the direction connecting the head side and the neck side. Although it is formed as a long hole, the first hole or the second hole is made to be a long hole 16 and the other is made to be a circular hole 21 as shown in FIG. 3 (a). It may be used as a square hole. Alternatively, as shown in FIG. 3B, the terminal 20 may be provided on the circuit board 10 and the elongated holes 15 and 16 may be formed in the terminal 20, or one of the terminals 20 may be formed with the elongated hole. It may be formed, and a circular hole may be formed in the other.

Further, in the above embodiment, the terminal 12 that fits into the elongated hole 16 of the circuit board 10 is provided on the lid-shaped bobbin 8. However, the terminal 12 may be provided directly on the neck-side enlarged diameter portion 4b. In this case, the lid bobbin 8 is not used.

[0020]

[Effect of device]

 According to the present invention, at least one of a first hole and a second hole on the circuit board side that fits into the terminals on the head side and the neck side of the deflection yoke device is formed into a long hole that is long in the direction connecting the head side and the neck side. Since there is a margin in the fitting dimension of the terminal and the hole, even if the deflection yoke device of the model where the dimension between the head side and neck side terminals is different, the oblong hole corresponds to the dimensional change. Since it is possible to fit with each other, it is not necessary to newly create a circuit board with different dimensions, and it is only necessary to manufacture a circuit board of the same model, which makes it possible to significantly improve work efficiency. , Standardization of circuit boards can be achieved.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a main part configuration of a deflection yoke device according to an embodiment.

FIG. 2 is an explanatory diagram of a circuit board mounted on the deflection yoke device.

FIG. 3 is an explanatory diagram of a circuit board of another configuration mounted on the deflection yoke device.

FIG. 4 is an explanatory diagram of a circuit board of a proposed example.

FIG. 5 is an explanatory diagram of a main configuration of a deflection yoke device of a proposed example.

FIG. 6 is an explanatory diagram of a conventional deflection yoke device.

[Explanation of symbols]

 2 Bobbin 4a Head side enlarged diameter part 4b Neck side enlarged diameter part 6 FC coil 10 Circuit board 11 Head side terminal 12 Neck side terminal 15 First hole of circuit board 16 Second hole of circuit board

Claims (2)

[Scope of utility model registration request] 1. A terminal is provided on the head side and a neck side of the deflection yoke device so as to project from the head side and the neck side, respectively, and the circuit board is laid over the head side and the neck side. The circuit board-side first terminal that is fitted to the head-side terminal
And at least one of the second holes on the side of the circuit board that fits into the terminal on the neck side are formed as elongated holes that are long in the direction connecting the head side and the neck side. 2. The deflection yoke device according to claim 1, wherein the first hole and the second hole are provided directly on the circuit board.