CN202954202U

CN202954202U - Broken end display control device of warp stopping frame

Info

Publication number: CN202954202U
Application number: CN 201220691709
Authority: CN
Inventors: 陈玉升
Original assignee: CHANGSHU CHANG XING TEXTILE EQUIPMENT Co Ltd
Current assignee: CHANGSHU CHANG XING TEXTILE EQUIPMENT Co Ltd
Priority date: 2012-12-14
Filing date: 2012-12-14
Publication date: 2013-05-29
Anticipated expiration: 2022-12-14

Abstract

The utility model provides a broken end display control device of a warp stopping frame, and belongs to the technical field of a shuttleless loom part. The device comprises a broken end display circuit and a control circuit, wherein an input end of the broken end display circuit is connected with a broken end switching mechanism of a loom and used for receiving broken end signals, an output end of the broken end display circuit is connected with the input end of the control circuit, and the output end of the control circuit is connected with an electrical control device of the loom. The device has the advantages that according to the broken end display circuit, a second resistor R2 is arranged so as to position a first triode VT in an amplifier region, common malfunction influences are avoided, when a broken end phenomenon is exactly occurred, the first triode VT is connected, so that the circuit stability is improved; and in addition, a first light-emitting diode LED1 in the circuit displays broken ends, and a negative pole of the first light-emitting diode LED1 directly outputs signals; and compared with the prior art, a signal output circuit does not need to be additionally arranged, so that fault rate is reduced, and the production cost is lowered.

Description

The cracked ends display control unit of warp stop frame

Technical field

The utility model belongs to shuttleless loom accessory technical field, is specifically related to a kind of cracked ends display control unit of warp stop frame, is arranged on the warp stop frame of shuttleless loom the demonstration control action while playing the warp thread cracked ends.

Background technology

Shuttleless loom all has warp stop frame, sets firmly yarn rider on warp stop frame, and on yarn rider, string is established menopause tablet, and it is all to realize by menopause tablet that the cracked ends of existing shuttleless loom stops.On each piece of menopause tablet, through a warp thread, menopause tablet, because the tube bank of warp thread is vacant state on yarn rider, now is nonconducting state between the chip on yarn rider and iron clad.When a certain warp break, menopause tablet becomes falling state due to the tube bank that loses warp thread from vacant state, make chip and the iron clad conducting of yarn rider, thereby by the yarn rider terminal box, stop sign is fed back to the loom electrical control gear, make caused by loom stop, after being found out the warp thread of fracture and carried out continued access by the spinner, loom is resumed work again.Yet general loom has thousands of the warp thread suitable with menopause tablet quantity, thereby the spinner is difficult to accurately and quickly the warp thread of fracture be found out and connected, and had a strong impact on the operating efficiency of loom.

For avoiding above-mentioned technology drawback, in shuttleless loom accessory technical field, many cracked ends display unit have appearred at present, the TECHNICAL INFORMATION SOURCES much shown about the yarn rider cracked ends is also disclosed in Chinese patent literature." the warp thread cracked ends display unit of yarn rider " as Chinese utility model patent Granted publication CN2550388Y announcement, it is by light emitting diode being set on yarn rider to facilitate the spinner fast to find exactly the position of warp break, but do not point out and yarn rider terminal box and loom electrical control gear between circuit structure; And the light-emitting component diode is affected by voltage pulsation, luminous stable not, dynamic, sometimes be difficult for being seen by the spinner, affect operating efficiency; " the warp thread broken electronic display device of yarn rider " that and for example Chinese utility model patent Granted publication CN201080536Y announces, it is by diode displaying menelipsis position, export the control cabinet of menelipsis signal to loom via a diode in addition, the setting of this diode, increase rate of breakdown, also increased production cost; And the triode in this design, always in saturation region, slightly has misoperation will make the triode conducting, lights light emitting diode, also there will be constantly through stopping and fault-free parking phenomenon; This patent equally do not provide yet and yarn rider terminal box and loom electrical control gear between circuit connecting relation.

For above-mentioned prior art, the applicant has done positive and useful design, and technical scheme described below is based on producing under this prerequisite.

Summary of the invention

The purpose of this utility model is to provide a kind of cracked ends display control unit of warp stop frame; its circuit is reliable and stable; the particular location that can show the warp thread cracked ends, control the loom electrical control gear by the yarn rider terminal box simultaneously and make loom shut down to facilitate the spinner to find out fast and accurately the cracked ends position and carry out continued access.

The purpose of this utility model reaches like this, a kind of cracked ends display control unit of warp stop frame, comprise cracked ends display circuit and control circuit, the input of cracked ends display circuit connects the cracked ends switching mechanism of loom, for receiving the cracked ends signal, the output of cracked ends display circuit connects the input of control circuit, and the output of control circuit is connected with the loom electrical control gear.

in a specific embodiment of the present utility model, described cracked ends display circuit comprises the first resistance R 1, the second resistance R 2, the first triode VT and the first LED 1, one end of the first resistance R 1 is for inputting the first input end IN of cracked ends signal, and be connected with the cracked ends switching mechanism of loom, the other end of the first resistance R 1 is connected with the base stage of the first triode VT and an end of the second resistance R 2, the colelctor electrode of the first triode VT is connected with the positive pole of the first LED 1, the negative pole of the first LED 1 is as the first output OUT, and be connected with the input of control circuit, the emitter stage of the other end of the second resistance R 2 and the first triode VT is connected to positive source V+ jointly.

in another specific embodiment of the present utility model, described control circuit comprises the 3rd resistance R 3, the second LED 2 and the second triode BG, one end of the 3rd resistance R 3 is as the second input U of circuit, and be connected with the first output OUT of described cracked ends display circuit, the other end of the 3rd resistance R 3 connects the base stage of the second triode BG, the colelctor electrode of the second triode BG connects the negative pole of the second LED 2, the positive pole of the second LED 2 is as the second output S of circuit, and be connected with the loom electrical control gear, the colelctor electrode of the second triode BG meets power cathode V-.

The utility model is owing to having adopted said structure, in the cracked ends display circuit, by being set, the second resistance R 2 make the first triode VT in amplification region, avoided the impact of general misoperation on it, only have when the cracked ends phenomenon occurs really, the first triode VT just understands conducting, has improved the stability of circuit; In addition, the first Light-Emitting Diode LED1 in this circuit is except carrying out the cracked ends demonstration, and the directly outside output signal of its negative pole, compared with prior art, do not need other signalization output circuit, reduced fault rate and reduced production cost.The cracked ends display circuit connects the cracked ends switching mechanism of loom, when warp thread cracked ends situation occurring, loom cracked ends switching mechanism closure, make first input end IN in the cracked ends display circuit connect power cathode V-, the cracked ends display circuit is communicated with, the first Light-Emitting Diode LED1 lights, and shows the cracked ends particular location; The cracked ends display circuit sends high level signal to control circuit simultaneously, makes the second triode BG conducting in control circuit, and the second LED 2 is lighted and sent stopping signal to the loom electrical control gear loom is shut down.

The accompanying drawing explanation

Fig. 1 is theory diagram of the present utility model.

The electrical connection graph that Fig. 2 is cracked ends display circuit of the present utility model and control circuit.

The specific embodiment

For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but the description to embodiment is not all the restriction to the utility model scheme, any according to the utility model design, done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

Refer to Fig. 1, a kind of cracked ends display control unit of warp stop frame, comprise cracked ends display circuit 1 and control circuit 2, the input of cracked ends display circuit 1 connects the cracked ends switching mechanism of loom, for receiving the cracked ends signal, the output of cracked ends display circuit 1 connects the input of control circuit 2, and the output of control circuit 2 is connected with the loom electrical control gear.Control circuit 2 receives the cracked ends signal from cracked ends display circuit 1, controls the loom electrical control gear loom is shut down.

refer to Fig. 2, described cracked ends display circuit 1 comprises the first resistance R 1, the second resistance R 2, the first triode VT and the first LED 1, one end of the first resistance R 1 is for inputting the first input end IN of cracked ends signal, and be connected with the cracked ends switching mechanism of loom, for receiving the cracked ends signal of loom, the other end of the first resistance R 1 is connected with the base stage of the first triode VT and an end of the second resistance R 2, the colelctor electrode of the first triode VT is connected with the positive pole of the first LED 1, the negative pole of the first LED 1 is as the first output OUT, and be connected with the input of control circuit 2, the emitter stage of the other end of the second resistance R 2 and the first triode VT is connected to positive source V+ jointly.

please consult again Fig. 2, described control circuit 2 comprises the 3rd resistance R 3, the second LED 2 and the second triode BG, one end of the 3rd resistance R 3 is as the second input U of circuit, and be connected with the first output OUT of described cracked ends display circuit 1, for receiving the signal of cracked ends display circuit 1 output, the other end of the 3rd resistance R 3 connects the base stage of the second triode BG, the colelctor electrode of the second triode BG connects the negative pole of the second LED 2, the positive pole of the second LED 2 is as the second output S of circuit, for connecting the loom electrical control gear, the colelctor electrode of the second triode BG meets power cathode V-.

In actual applications, cracked ends display circuit 1 generally is arranged on yarn rider, control circuit 2 can be arranged in the yarn rider terminal box, and the cracked ends switching mechanism of described loom comprises yarn rider chip described in the prior art, iron clad and menopause tablet, when warp break occurs when, menopause tablet becomes falling state because of the tube bank that loses warp thread from vacant state, chip and iron clad conducting, i.e. cracked ends switching mechanism closure.When the cracked ends switching mechanism is closed, the first input end IN of cracked ends display circuit 1 connects power cathode V-, cracked ends display circuit 1 is communicated with thus, the first LED 1 is lighted, the first output OUT of cracked ends display circuit 1 is to control circuit 2 output high level signals simultaneously, the second input U of control circuit 2 receives the high level signal that comes from cracked ends display circuit 1 and light the second LED 2 after the second triode BG amplifies, the second output S feeds back to the loom electrical control gear by stop sign simultaneously, makes caused by loom stop.

Claims

1. A kind of cracked ends display control unit of warp stop frame, it is characterized in that comprising cracked ends display circuit (1) and control circuit (2), the input of cracked ends display circuit (1) connects the cracked ends switching mechanism of loom, for receiving the cracked ends signal, the output of cracked ends display circuit (1) connects the input of control circuit (2), and the output of control circuit (2) is connected with the loom electrical control gear.

2. the cracked ends display control unit of warp stop frame according to claim 1, it is characterized in that described cracked ends display circuit (1) comprises the first resistance R 1, the second resistance R 2, the first triode VT and the first LED 1, one end of the first resistance R 1 is for inputting the first input end IN of cracked ends signal, and be connected with the cracked ends switching mechanism of loom, the other end of the first resistance R 1 is connected with the base stage of the first triode VT and an end of the second resistance R 2, the colelctor electrode of the first triode VT is connected with the positive pole of the first LED 1, the negative pole of the first LED 1 is as the first output OUT, and be connected with the input of control circuit (2), the emitter stage of the other end of the second resistance R 2 and the first triode VT is connected to positive source V+ jointly.

3. the cracked ends display control unit of warp stop frame according to claim 1, it is characterized in that described control circuit (2) comprises the 3rd resistance R 3, the second LED 2 and the second triode BG, one end of the 3rd resistance R 3 is as the second input U of circuit, and be connected with the first output OUT of described cracked ends display circuit (1), the other end of the 3rd resistance R 3 connects the base stage of the second triode BG, the colelctor electrode of the second triode BG connects the negative pole of the second LED 2, the positive pole of the second LED 2 is as the second output S of circuit, and be connected with the loom electrical control gear, the colelctor electrode of the second triode BG meets power cathode V-.