CN2172772Y

CN2172772Y - Power-saving switch for looms

Info

Publication number: CN2172772Y
Application number: CN 93218862
Authority: CN
Inventors: 李天全
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-07-15
Filing date: 1993-07-15
Publication date: 1994-07-27
Anticipated expiration: 2003-07-15

Abstract

The utility model relates to a power-saving switch for looms. The power-saving switch is a special switch for the automatic looms in textile industry, comprising a casing and a control element. The power-saving switch for looms has the advantages of simple structure, favorable manufacture, and convenient installation; the power-saving switch for looms overcomes the frauds that the connecting leads of the existing similar switches are circuitous, etc.; the power-saving switch for looms can eliminate motor no-load running caused by cracked ends and short picks. Thus, the power saving effect is obvious.

Description

Power-saving switch for looms

The utility model Power-saving switch for looms is the special switch that aims at the automatic loom design of textile industry.

At present, the various automatic looms that China produced, as 1511M, looms such as 1515, motor adopts the clutch handle control of regular tap or loom self, once empty load of motor running when loom cracked ends crapand or hesitation, the waste electric energy.In order motor to be stopped operating simultaneously when the loom hesitation, can be by this battery-conserving switch control motor.Though existing have similar battery-conserving switch, because of complex structure, cost is higher, adopts the secondary encapsulation, is unfavorable for maintenance, can only eliminate once break down, so the use cost height.

Task of the present utility model is a kind of loom private section electric switch that designs at the deficiency of current battery-conserving switch existence.It is made up of housing and control element, it is characterized in that gauge tap packs in the housing, becomes an integral body.It is simple in structure, is beneficial to making, is convenient to install, and has overcome existing similar switch and has connected drawbacks such as lead makes a circulation.Simple to operate, easy to maintenance, and separate unit loom maintenance and can not influence the normal operation of other loom, so use cost is low.

The utility model battery-conserving switch is realized as follows.With the input and output binding post of control element part, controllable silicon, latch-up-free switch, the lockable switch, electric capacity and resistance all are welded on the printed circuit board, in the metal shell of packing into.The silicon controlled heat sink is close to metal shell, makes the part of metal shell as the heat radiation utmost point.The control utmost point of three bidirectional triode thyristors respectively with the latch-up-free switch, lockable switch serial connection, in order to controlling each silicon controlled conducting or shutoff, and between the control utmost point and T1 of each bidirectional triode thyristor, between T1 and T2 respectively also, crosstalk appearance and resistance, form holding circuit.

Fig. 1 is a kind of concrete structure schematic diagram of the utility model;

Fig. 2 is a schematic diagram of the present utility model.

With reference to accompanying drawing, bidirectional triode thyristor (5) is welded on respectively on the printed circuit board (PCB) (4), and the controllable silicon heat radiation utmost point and support are connected on the shell (1) by screw, and printed circuit board (PCB) (4) is screwed on shell (1).The operation principle of this Power-saving switch for looms is: when the loom clutch makes loom suspend running, its clutch handle is and is neutral gear, and the latch-up-free switch (3) of the controlled conducting of the compressing of the linkage by loom clutch control makes control utmost point dump, motor quits work, when clutch handle closes up be, when linkage broke away from latch-up-free switch (3), control utmost point power turn-on, motor entered the preceding starting state of loom work.In the time will overhauling loom, press the lockable switch with hand, cut off this board power supply.

The utility model is simple in structure, is easy to make, and can eliminate the empty load of motor running that causes because of the cracked ends crapand, so power savings is fairly obvious.

Claims

1, Power-saving switch for looms is made up of housing and control element, it is characterized in that gauge tap packs in the housing, becomes as a whole.

2, the Power-saving switch for looms of stipulating according to claim 1, it is characterized in that input and output binding post with the control element part, controllable silicon, latch-up-free switch, lockable switch, electric capacity and resistance all are welded on the printed circuit board, be contained in the metal shell, the silicon controlled heat radiation utmost point is close to metal shell, and making metal shell is a part of the heat radiation utmost point.

3, according to the Power-saving switch for looms of claim 2 regulation, the control utmost point that it is characterized in that every bidirectional triode thyristor respectively with the latch-up-free switch, but the lock-switch serial connection, in order to conducting or the shutoff of controlling each bidirectional triode thyristor.

4, according to the Power-saving switch for looms of claim 3 regulation, it is characterized in that between the control utmost point and T1 of each bidirectional triode thyristor, between T1 and T2 respectively and crosstalk appearance and resistance, the composition holding circuit.