CN2140099Y

CN2140099Y - Power switch apparatus for control tv set

Info

Publication number: CN2140099Y
Application number: CN 92221493
Authority: CN
Inventors: 蒋志鸿
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-10-20
Filing date: 1992-10-20
Publication date: 1993-08-11
Anticipated expiration: 2002-10-20

Abstract

The utility model relates to a power switch apparatus for control TV, comprising a bracket, a switching element, an electric magnet, an inverse pushing rod, a latch hook, a positioning element and a spring piece. When an instruction ' cutting power ' that is generated from a remote controller is received by the TV, the electric magnet is electrified and generates magnetic force and the inverse pushing bar is attracted to move. The latch hook is pushed by the inverse pushing bar to move, so the pushing bar moves under the function of spring force and the power supply of the TV is cut. The utility model has the advantages of simple structure, high reliability, easy fabrication and flexible switch. In particular, the positioning element is arranged to ensure an air gap of the electric magnet, so the specified requirement of the power is maintained.

Description

Power switch apparatus for control TV set

The utility model relates to TV set power switch, particularly a kind of TV remote-control power switch device.

The mains switch that existing TV remote-control designs with mains switch virtuous state Bai Lei company and ITT Corp., electromagnet is all arranged in these switches, when television set receives " cutting off the electricity supply " command signal of remote controller, obtain electric current in the circuit that electromagnet is controlled by remote controller just from television set, produce magnetic force, the power supply of the television set of pushrod movement, and then cut-out then.But, moving magnet of ITT Corp. and jam plate manufacturing process complexity, cost height; And the template of Bai Lei company and jam plate manufacturing process complexity not only, and the stressed section of jam plate ruptures easily, has been subjected to influence useful life.

The purpose of this utility model provides a kind of improved television set and shakes control and use power switch device, and it is simple in structure, and setting element especially has been installed, and has guaranteed the electromagnet air gap, makes the requirement of power maintenance regulation, dependable performance.

A kind of TV remote-control described in the utility model comprises support with power switch device, and one has the switch block of push rod and spring, and the electromagnet that is used for producing magnetic force.It comprises that also one is parallel to support and the rectangular shape of right part that passes and be subjected to magneto motive anti-push rod from the hole of support two ends, one device is at the latch hook of the S-shaped shape of anti-push rod left end, one is arranged on the setting element between latch hook upper end and support left end on the anti-push rod, and the reed that is installed in the same electromagnet elasticity connection of anti-push rod right part.

The utility model has adopted anti-push rod, latch hook, setting element and reed, has increased flexibility and reliability that switch is cut off the electricity supply, and simple in structure, easily manufactured, cost is lower.

Below in conjunction with accompanying drawing most preferred embodiment of the present utility model is elaborated.

Fig. 1 is the structural representation of a kind of TV remote-control with power switch device.

Fig. 2 is the C enlarged drawing of above-mentioned switching device.

Referring to Fig. 1 and Fig. 2, the fixedly connected switch block 9 in the lower left of support 5, the fixedly connected electromagnet 7 in the lower right of support 5 is equipped with direct current and triggers pin 10 between switch block 9 and electromagnet 7.Switch block 9 can be selected KD4-AO4 type switch for use.Be equipped with on the switch block 9 and be used for controlling push rod 1 and the spring 2 that TV set power opens or closes.Push rod 1 is provided with the stepped groove that can block latch hook 3.Electromagnet 7 can adopt general solenoid magnet, and two inputs of its coil join with the circuit that is subjected to TV remote controller control respectively.When television set received " cutting off the electricity supply " command signal that remote controller sends, electromagnet 7 promptly obtained an electric current from above-mentioned circuit, produce certain magnetic force.

Be equipped with the parallel anti-push rod 6 of support 5 top of support 5, and anti-push rod 6 passes from the hole of support 5 two ends, and flexibly connect with the above-mentioned hole of support 5.Anti-push rod 6 can horizontally slip with respect to support 5.

The left end of anti-push rod 6 is equipped with the latch hook 3 of S-shaped shape, and its available general steel wire bending forms.Latch hook 3 upper arm and underarm are 90 ° of angles.Packing in the left end hole of anti-push rod 6 in the top of latch hook 3 upper arm, can rotate within the specific limits with respect to anti-push rod 6 in order to make upper arm, and this hole can be suitably more greatly.Pack in the hole of support 5 bottoms in the bottom of latch hook 3 upper arm, same, can rotate within the specific limits with respect to support 5 in order to make upper arm, and this hole also should suitably be opened more greatly.Latch hook 3 underarms become the angle greater than 80 ° with following bill, for example be greater than 70 ° of angles less than 90 °.Like this, following bill can snap in the groove of push rod 1 very neatly, and also is easy to deviate from from this groove.

Between protrusion flange 11 on the push rod 1 and support 5 spring 2 is housed, latch hook 3 upper arm are packed in the thread pitch of spring 2, and this gap is bigger, can guarantee latch hook 3 motions.When manual energized, push rod 1 moves right, and the following bill of latch hook 3 underarms snaps in the above-mentioned groove, at this moment must overcome the resistance of spring 2; Otherwise when above-mentioned following bill left push rod 1 from groove, push rod 1 can return to original position under the effect of spring force, thereby cut off the power supply of television set.

Left part at anti-push rod 6 is equipped with setting element 4, and it has guaranteed electromagnet 7 air gaps between the left end of the upper end of latch hook 3 and support 5.The rectangular shape of the right part of anti-push rod 6, and be a plate body, relative with the right-hand member of electromagnet 7, vertically can suitably the widening of plate body is to increase magnetic force.Reed 8 is housed on the plate body, and it connects with electromagnet 7 elasticity.

In order to make latch hook 3 not skid off anti-push rod 6, the upper end of latch hook 3 upper arm is bending.On anti-push rod 6, also can be covered with shell.Electromagnet 7 also can be arranged on the top of switch block 9, to reduce the lateral dimension of this device.Also can change electromagnet 7 into the vertical direction setting.

The utility model can start under the voltage of common 7～9V.The switching device that the utility model provides also can be used for shaking the power supply that other household electrical appliance are cut off in control.

Claims

1, a kind of TV remote-control power switch device, it comprises support, one has the switch block of push rod and spring, and the electromagnet that is used for producing magnetic force, it is characterized in that, it comprises that also one is parallel to support and the rectangular shape of right part that passes and be subjected to magneto motive anti-push rod from the hole of support two ends, one device is at the latch hook of the S-shaped shape of anti-push rod left end, one is arranged on the setting element between latch hook upper end and support left end on the anti-push rod, and the reed that is installed in the same electromagnet elasticity connection of anti-push rod right part.

2, switching device according to claim 1 is characterized in that, latch hook upper arm and underarm are 90 ° of angles.

3, switching device according to claim 1 is characterized in that, the latch hook underarm becomes the angle greater than 80 ° with following bill.

4, switching device according to claim 1 is characterized in that, the upper end of latch hook upper arm is bending.