CN210657333U

CN210657333U - Sectional display warp stop control box

Info

Publication number: CN210657333U
Application number: CN201921647877.4U
Authority: CN
Inventors: 陈玉升
Original assignee: Changshu Chang Xin Textile Equipment Co ltd
Current assignee: Changshu Chang Xin Textile Equipment Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-02
Anticipated expiration: 2029-09-29

Abstract

A sectional display warp stop control box belongs to the technical field of loom warp stop strip accessories. The detection circuit is connected with the warp stop strip and is connected with the machine equipment through an output circuit, the machine equipment is controlled to run through judging a state signal given by the warp stop strip, the reset circuit is connected with the voltage reduction circuit and the machine equipment, and the voltage reduction circuit is controlled to stop working after the reset signal transmitted by the machine equipment is received. The problem that faults caused by poor contact of dropper in the prior structure cannot be accurately displayed can be avoided; the current limiting loop provides current limiting current for the warp stop strip, so that fire disasters caused by the fact that the warp stop strip exceeds the limiting current are avoided, and a protection effect is achieved.

Description

Sectional display warp stop control box

Technical Field

The utility model belongs to the technical field of loom stop warp strip accessory, concretely relates to segmentation shows stop warp control box.

Background

The shuttleless loom is provided with a warp stopping frame, the warp stopping frame is used for arranging warp stopping strips, warp stopping sheets are arranged on the warp stopping strips in series, each warp stopping sheet penetrates through one warp, the warp stopping sheets are suspended on the warp stopping strips by utilizing a warp bundle, and at the moment, chips on the warp stopping strips are isolated from package iron by insulating clamping sheets to be in a non-conduction state. When a certain warp yarn is broken, the warp stop sheet which is originally in a suspended state falls onto the warp stop strip due to the fact that the tube bundle of the warp yarn is lost, the chip which is in an insulation separation state is conducted with the package iron, a signal is fed back to an electric control box of the weaving machine through a warp stop box (also called a warp stop strip junction box) on a warp stop frame, the weaving machine stops, a vehicle stop worker finds out the broken warp yarn and continues to connect, and the weaving machine resumes to work. It is seen that stopping the loom immediately after a warp break, i.e. a warp break, is an important measure to avoid fabric defects. However, since the number of warp yarns is thousands of the number of the drop wires, once the warp is broken, the broken warp yarns cannot be quickly and accurately found by a worker observing the drop frame with naked eyes. It is of course an effective measure to indicate the location of the warp yarn breakage by means of a display device, and the good or bad reliability of the electrical connection between the electrical components in the drop wire box and the display device of the drop wire also has an effect on the quality of the fabric to some extent. In the actual production and application process, under the influence of workshop environmental factors, the drop wires often have poor contact problems due to on-site flocks and dust, once the drop wires are in poor contact, the broken warp signals are interrupted, and even if the broken warp phenomenon does occur, the existing display device cannot display in time, so that a worker cannot find out broken warp and connect the broken warp at the first time, and the quality of finished products and the working efficiency of the weaving machine are finally influenced.

In view of the above-mentioned prior art, the applicant has made an advantageous design as to how to achieve an effective cracked ends display and to ensure the reliability of the electrical connection between the electrical components in the drop box and the display device, the solution to be described below being made in this context.

Disclosure of Invention

An object of the utility model is to provide a segmentation shows warp stop control box, electric compact structure can accurate reaction broken warp trouble in order to guarantee finished product quality.

The utility model aims at achieving the purpose, a segmentation shows warp stop control box, its characterized in that: the detection circuit is connected with the warp stop strip and is used for supplying current to the warp stop strip after the current of the power supply after voltage reduction is limited, the detection circuit is connected with the warp stop strip and is connected with the machine equipment through an output circuit, the machine equipment is controlled to run through judging a state signal given by the warp stop strip, the reset circuit is connected with the voltage reduction circuit and the machine equipment, and the voltage reduction circuit is controlled to stop working after a reset signal transmitted by the machine equipment is received.

In a specific embodiment of the present invention, the voltage-reducing circuit includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a first diode D1, a first light-emitting diode LED1, a first inductor L1, and a power conversion chip U1, the power conversion chip U1 employs XL1509, a pin 1 of the power conversion chip U1 is connected to one end of the fourth resistor R1, one end of the fifth resistor R1, an anode of the fourth capacitor C1, and one end of the fifth capacitor C1, a pin 2 of the power conversion chip U1 is connected to one end of the first inductor L1 and a cathode of the first diode D1, a pin 3 of the power conversion chip U1 is connected to one end of the first resistor R1, the first capacitor C69572, and the other end of the first resistor R1 are connected to the other end of the first capacitor C1, and the other end of the first resistor R1, the first capacitor C1, and the other end of the first capacitor C1 are connected to the other, The other end of the first inductor L1, the anode of the second capacitor C2, one end of the third capacitor C3, and the anode of the first light emitting diode LED1 are connected and output VCC dc power jointly, the cathode of the first light emitting diode LED1 is connected to the third resistor R3, the 4-pin of the power conversion chip U1 is connected to the reset circuit, the other end of the fourth resistor R4 and the other end of the fifth resistor R5 are connected to V + dc power jointly, the other end of the first resistor R1, the cathode of the fourth capacitor C4, the other end of the fifth capacitor C5, the anode of the first diode D1, the cathode of the second capacitor C2, the other end of the third capacitor C3, the other end of the third resistor R3, and the 5-pin of the power conversion chip U1 are connected to ground jointly.

In another specific embodiment of the present invention, the current-limiting circuit includes a sixth resistor R6, a sixth capacitor C6, a current-limiting chip U2 and a first interface J1, the current-limiting chip U2 adopts PL2700,

pins

4 and 5 of the current-limiting chip U2 are connected to a VCC dc power supply, pin 1 of the current-limiting chip U2 is connected to one end of the sixth capacitor C6, and outputs a V1 dc power supply through pin 1 of the first interface J1, pin 3 of the current-limiting chip U2 is connected to one end of the sixth resistor R6, and the other end of the sixth resistor R6, the other end of the sixth capacitor C6 and pin 2 of the current-limiting chip U2 are grounded together.

In another specific embodiment of the present invention, the reset loop includes a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R13, a fifteenth resistor R13, a sixteenth resistor R13, a seventh capacitor C13, a second diode D13, a third diode D13, a first triode Q13, a second triode Q13, a third triode Q13, an optical coupler U13, and a second interface J13, where the optical coupler U13 is a PC3117, the second interface J13 has a pin 4 connected to one end of the seventh resistor R13, the other end of the seventh resistor R13 is connected to one end of the ninth resistor R13 and a pin 1 of the optical coupler U13, the pin 2 of the U13 is connected to the other end of the ninth resistor R13 and the other end of the eighth resistor R13, the other end of the eighth resistor R13 is connected to the positive pin 3 of the optical coupler U13, and the other end of the pin 3 of the second interface J13 is connected to the positive resistor R13, and the positive terminal of the second interface J13, A base of the first triode Q1 and one end of a tenth resistor R10 are connected, a collector of the first triode Q1 is connected with a cathode of a seventh capacitor C7 and one end of an eleventh resistor R11, an anode of the seventh capacitor C7 is connected with an anode of a third diode D3, a base of the second triode Q2 and one end of a twelfth resistor R12, a collector of the second triode Q2 is connected with one end of a thirteenth resistor R13 and one end of a fourteenth capacitor R14, the other end of the fourteenth resistor R14 is connected with one end of a fifteenth resistor R15 and a base of the third triode Q3, a collector of the third triode Q3 is connected with one end of a sixteenth resistor R16 and commonly connected to the step-down circuit, a 2 pin of the second interface J2 is connected to the machine device, a 1 pin of the second interface J2, a 4 pin of the optocoupler U3, a cathode of the second diode D2, a cathode of the first diode Q67 1, a cathode of the third diode D3, The emitter of the second triode Q2 and the other end of the sixteenth resistor R16 are commonly connected to a V + dc power supply, and the 3 pin of the second interface J2, the other end of the tenth resistor R10, the other end of the eleventh resistor R11, the other end of the twelfth resistor R12, the other end of the thirteenth resistor R13, the other end of the fifteenth resistor R15, and the emitter of the third triode Q3 are commonly connected to ground.

In a further specific embodiment of the present invention, the detection circuit includes a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a second LED2, a fourth diode D4, a fourth triode Q4, a controller MCU, and a warp stop detection switch JP, the output circuit includes a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22, and a fifth diode D5, an input terminal of the controller MCU is connected to one end of the seventeenth resistor R17 and is connected to the warp stop bar through the warp stop detection switch JP, another terminal of the seventeenth resistor R17 is connected to a cathode of the second LED2, an output terminal of the controller MCU is connected to an anode of the fourth diode D4, a cathode of the fourth diode D4 is connected to one end of the eighteenth resistor R18, and another terminal of the eighteenth resistor R18 is connected to a base of the fourth triode Q4 and a nineteenth resistor R19, the collector of the fourth triode Q4 is connected to one end of a twentieth resistor R20, one end of a twenty-first resistor R21, one end of a twenty-second resistor R22 and the anode of a fifth diode D5, the other end of the twenty-second resistor R22 is connected to the machine, the anode of the second light emitting diode LED2 is connected to a VCC dc power supply, the other end of the twenty-first resistor R21 and the cathode of the fifth diode D5 are connected to a V + dc power supply, and the other end of the nineteenth resistor R19, the emitter of the fourth triode Q4 and the other end of the twentieth resistor R20 are connected to ground.

In a further specific embodiment of the present invention, the detection circuit further includes a sixth diode D6 and a seventh diode D7, the sixth diode D6 is connected in series between the break-off detection switch JP and the controller MCU, a negative electrode of the sixth diode D6 is connected to the break-off detection switch JP and a negative electrode of the seventh diode D7, a positive electrode of the sixth diode D6 is connected to the input terminal of the controller MCU and one end of a seventeenth resistor R17, and a positive electrode of the seventh diode D7 is connected to the collector of the fourth triode Q4, one end of the twentieth resistor R20, one end of the twenty-first resistor R21, one end of the twenty-second resistor R22, and a positive electrode of the fifth diode D5.

The utility model discloses owing to adopted above-mentioned structure, compare with prior art, the beneficial effect who has is: the alarm of the detection loop on the warp breakage fault is not influenced by a warp breakage signal, and the problem that the fault cannot be accurately displayed due to poor contact of the dropper in the prior structure can be avoided; in addition, the broken warp state can be distinguished, and under the condition that the broken warp occurs, if the signal is stable after the broken warp, the light-emitting diode is normally on, and if the broken warp signal is interrupted, the light-emitting diode flickers; the current limiting loop provides current limiting current for the warp stop bars, so that fire disasters caused by the fact that the warp stop bars exceed the limiting current are avoided, and a protection effect is achieved; the whole circuit has compact structure and good electrical stability.

Drawings

Fig. 1 is a schematic block diagram of the present invention.

Fig. 2 is an electrical connection schematic diagram of the voltage reduction circuit of the present invention.

Fig. 3 is an electrical connection schematic diagram of the current limiting circuit according to the present invention.

Fig. 4 is an electrical connection schematic diagram of the reset circuit according to the present invention.

Fig. 5 is an electrical connection schematic diagram of an embodiment of the detection circuit of the present invention.

Fig. 6 is an electrical connection schematic diagram of another embodiment of the detection circuit of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, but the description of the embodiments is not intended to limit the technical solutions, and any changes made in the form of the present invention rather than the essential changes should be considered as the protection scope of the present invention.

Referring to fig. 1, a segment display warp stop control box includes a detection circuit, a current limiting circuit, a voltage reducing circuit and a reset circuit. The voltage reduction loop is connected with machine equipment, and power supply is obtained from the machine equipment, wherein the machine equipment takes a loom as an example. The voltage reduction loop is respectively connected with the current limiting loop and the detection loop to provide a power supply after voltage reduction for the current limiting loop and the detection loop, and the current limiting loop is connected with the warp stop strip and is used for supplying the power supply after voltage reduction to the warp stop strip after current limitation, so that the warp stop strip enters a working mode. The detection loop is connected with the warp stop strip and is connected with the machine equipment through an output loop (not shown), the machine equipment is controlled to operate through judging a state signal given by the warp stop strip, the machine equipment stops working and gives an alarm to wait for an operator to handle abnormity. The reset circuit is connected with the voltage reduction circuit and the machine equipment, and controls the voltage reduction circuit to stop working after receiving a reset signal transmitted by the machine equipment. When the operator finishes processing the abnormity, the starting button of the machine equipment is pressed, the machine equipment can output a reset signal, after the reset signal is received by the reset loop, a signal for stopping working for a short time is output to the voltage reduction loop, the voltage reduction loop stops outputting, the detection loop and the current limiting loop stop working due to power failure, and meanwhile, the detection loop and the dropper reset and reset.

Referring to fig. 2, the buck circuit includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a first diode D1, a first LED1, a first inductor L1, and a power conversion chip U1, where the power conversion chip U1 is XL 1509. A pin 1 of the power conversion chip U1 is connected to one end of the fourth resistor R4, one end of the fifth resistor R5, an anode of the fourth capacitor C4, and one end of the fifth capacitor C5, a pin 2 of the power conversion chip U1 is connected to one end of the first inductor L1 and a cathode of the first diode D1, a pin 3 of the power conversion chip U1 is connected to one end of the first resistor R1, one end of the second resistor R2, and one end of the first capacitor C1, and the other end of the first capacitor C1 is connected to the other end of the second resistor R2, the other end of the first inductor L1, an anode of the second capacitor C2, one end of the third capacitor C3, and an anode of the first light emitting diode LED1, and collectively outputs a VCC dc power for providing a working power supply to the current limiting loop and the detection loop. The cathode of the first light-emitting diode LED1 is connected with the third resistor R3, the 4 feet of the power conversion chip U1 are connected with the reset circuit, the other end of the fourth resistor R4 and the other end of the fifth resistor R5 are connected with the machine device together, and a V + direct current power supply is obtained from the machine device.

Referring to fig. 3, the current limiting circuit includes a sixth resistor R6, a sixth capacitor C6, a current limiting chip U2 and a first interface J1, and the current limiting chip U2 adopts PL 2700. The

pins

4 and 5 of the current-limiting chip U2 are connected to a VCC DC power supply, the pin 1 of the current-limiting chip U2 is connected to one end of a sixth capacitor C6, and outputs a V1 DC power supply through the pin 1 of the first interface J1 for the use of the dropper. The current-limiting loop is mainly used for providing current-limiting current for the dropper, if the dropper is abnormal in power supply, the power supply is stopped outputting after exceeding the limited current, the protection effect is achieved, and fire disasters are avoided.

Referring to fig. 4, the reset circuit includes a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, a seventh capacitor C7, a second diode D2, a third diode D3, a first triode Q1, a second triode Q2, a third triode Q3, an optocoupler U3, and a second interface J2, where the optocoupler U3 is a PC 3117. A pin 4 of the second interface J2 is connected to one end of a seventh resistor R7, the other end of the seventh resistor R7 is connected to one end of a ninth resistor R9 and a pin 1 of an optocoupler U3, a pin 2 of an optocoupler U3 is connected to the other end of a ninth resistor R9 and one end of an eighth resistor R8, the other end of an eighth resistor R8 is connected to a pin 5 of the second interface J28, a pin 3 of an optocoupler U3 is connected to an anode of a second diode D2, a base of a first triode Q1 and one end of a tenth resistor R10, a collector of the first triode Q1 is connected to a cathode of a seventh capacitor C7 and one end of an eleventh resistor R11, an anode of a seventh capacitor C7 is connected to an anode of a third diode D3, a base of a second triode Q3 and one end of a twelfth resistor R3, a collector of the second triode Q3 is connected to one end of a thirteenth resistor R3 and a base of a fourteenth resistor R3, and a base of a fourteenth resistor R3 are connected to one end of a fourteenth resistor R3, the collecting electrode of the third triode Q3 is connected with one end of a sixteenth resistor R16 and is commonly connected to the voltage reduction circuit, the 4 pins and the 5 pins of the second interface J2 are connected with the machine equipment and used for receiving reset signals, and as long as level change is received between the 4 pins and the 5 pins, the level signal is finally given to the voltage reduction circuit after the conversion through the first triode Q1, the second triode Q2 and the third triode Q3, so that the voltage reduction circuit stops working, and the effect of power-off reset of the dropper and the detection circuit is achieved. The 2-pin of the second interface J2 is used for connecting to a machine device and providing signals to the machine device.

Referring to fig. 5, the detection circuit includes a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a second light emitting diode LED2, a fourth diode D4, a fourth transistor Q4, a controller MCU, and a break-path detection switch JP, wherein the MCU is preferably an MCU packaged by SOT 23-6. The output loop comprises a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22 and a fifth diode D5. The input end of the controller MCU is connected with one end of a seventeenth resistor R17 and is connected with a warp stop bar through a warp stop detection switch JP. The broken warp detection switch JP comprises a warp stop strip chip, a package iron and a warp stop sheet in the prior art, when warp yarns are broken, the warp stop sheet is changed from a suspended state to a falling state due to the fact that a tube bundle of the warp yarns is lost, the chip is conducted with the package iron at the moment, and the broken warp detection switch JP is closed. When the broken warp detection switch JP is closed, the branch where the second light emitting diode LED2 is located is turned on, and the second light emitting diode LED2 is turned on to prompt an operator that a broken warp occurs. At this moment, after receiving the low level at the input end, the MCU outputs a high level at the output end, which acts on both ends of the eighteenth resistor R18, the eighteenth resistor R18 provides a high level to the base of the fourth triode Q4, so that the fourth triode Q4 is turned on, the signal on the collector of the fourth triode Q4 is pulled down to a low level signal and is maintained for several seconds and then transmitted to the machine, the machine executes the shutdown action and gives an alarm, waiting for the operator to handle the abnormality. In practical applications, the detection signal at the collector of the fourth transistor Q4 is transmitted to the machine through the 2-pin of the second interface J2. After the abnormal processing is completed, the broken warp detection switch JP is turned off, the branch where the second light emitting diode LED2 is located is powered off, the second light emitting diode LED2 is turned off, at this time, a signal at the input end of the MCU changes from a low level to a high level, an output signal at the output end changes from a high level to a low level, and the level at the input end of the MCU is switched between the high level and the low level with time intervals, so that the second light emitting diode LED2 is connected to the dc power VCC to perform intermittent on/off switching, and further the second light emitting diode LED2 flickers at intervals. In the above structure, once the warp stop signal is obtained, the second light emitting diode LED2 will be lighted immediately, so that the problem that the indicator light is not lighted due to poor contact of the dropper in the prior structure can be avoided; in addition, the state of the broken warp can be distinguished, and when the broken warp occurs, if the signal is stable after the broken warp, the second light emitting diode LED2 is always on, and if the broken warp signal is interrupted, the second light emitting diode LED2 flickers. The output circuit is used for stably outputting the signals detected by the detection circuit to the machine equipment.

Referring to fig. 6, the detection circuit further includes a sixth diode D6 and a seventh diode D7, the sixth diode D6 is connected in series between the break detection switch JP and the controller MCU, a cathode of the sixth diode D6 is connected to the break detection switch JP and a cathode of the seventh diode D7, an anode of the sixth diode D6 is connected to the input terminal of the controller MCU and one end of a seventeenth resistor R17, and an anode of the seventh diode D7 is connected to a collector of the fourth transistor Q4, one end of the twentieth resistor R20, one end of the twenty-first resistor R21, one end of the twenty-second resistor R22, and an anode of the fifth diode D5. When the broken warp detection switch JP detects that a warp is broken, it is closed, and the second light emitting diode LED2 is lit to indicate to the worker that a broken warp occurs. At this time, the signal on the collector of the fourth triode Q4 changes the original high level into low level through the seventh diode D7, and at the same time, after the input end of the MCU detects that the level has changed into low level through the sixth diode D6, the output end outputs a high level, which acts on both ends of the eighteenth resistor R18, the eighteenth resistor R18 provides a high level to the base of the fourth triode Q4, so that the fourth triode Q4 is grounded after being turned on, the signal on the collector is further pulled down into a low level signal and maintained for several seconds, and then transmitted to the machine, the machine performs shutdown action and alarms, and waits for the operator to handle the abnormality. When the abnormality processing is completed, the let-off detection switch JP is turned off, the signal at the collector of the fourth transistor Q4 is restored to the original high level by the seventh diode D7, and the second light emitting diode LED2 is turned off due to the power failure of the branch in which the second light emitting diode LED is located. At this time, the signal at the input end of the MCU changes from low level to high level, the output signal at the output end changes from high level to low level, and the level at the input end of the MCU is switched between high and low levels at intervals, so that the second LED2 is connected to the dc power VCC for intermittent on/off switching, and the second LED2 flickers at intervals.

Claims

1. The utility model provides a segmentation shows warp stop control box which characterized in that: the detection circuit is connected with the warp stop strip and is used for supplying current to the warp stop strip after the current of the power supply after voltage reduction is limited, the detection circuit is connected with the warp stop strip and is connected with the machine equipment through an output circuit, the machine equipment is controlled to run through judging a state signal given by the warp stop strip, the reset circuit is connected with the voltage reduction circuit and the machine equipment, and the voltage reduction circuit is controlled to stop working after a reset signal transmitted by the machine equipment is received.

2. The sectional display warp stop control box according to claim 1, wherein the step-down circuit comprises a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a first diode D1, a first LED1, a first inductor L1 and a power conversion chip U1, the power conversion chip U1 adopts XL1509, a pin 1 of the power conversion chip U1 is connected with one end of the fourth resistor R4, one end of the fifth resistor R5, an anode of the fourth capacitor C4 and one end of the fifth capacitor C4, a pin 2 of the power conversion chip U4 is connected with one end of the first inductor L4 and a cathode of the first diode R4, a pin 2 of the power conversion chip U4 is connected with one end of the first resistor R4 and a cathode of the first diode D4, and a pin 3 of the first resistor R4 and the first capacitor C4, the other end of the first capacitor C1 is connected to the other end of the second resistor R2, the other end of the first inductor L1, the anode of the second capacitor C2, one end of the third capacitor C3 and the anode of the first light emitting diode LED1, and jointly outputs VCC dc power, the cathode of the first light emitting diode LED1 is connected to the third resistor R3, the 4-pin of the power conversion chip U1 is connected to the reset circuit, the other end of the fourth resistor R4 and the other end of the fifth resistor R5 are jointly connected to V + dc power, the other end of the first resistor R1, the cathode of the fourth capacitor C4, the other end of the fifth capacitor C5, the anode of the first diode D1, the cathode of the second capacitor C2, the other end of the third capacitor C3, the other end of the third resistor R3 and the 5-pin of the power conversion chip U1 are jointly grounded.

3. The sectional display warp stop control box according to claim 1, wherein the current limiting circuit comprises a sixth resistor R6, a sixth capacitor C6, a current limiting chip U2 and a first interface J1, the current limiting chip U2 adopts PL2700, pins 4 and 5 of the current limiting chip U2 are commonly connected to a VCC dc power supply, pin 1 of the current limiting chip U2 is connected to one end of the sixth capacitor C6 and commonly outputs a V1 dc power supply through pin 1 of the first interface J1, pin 3 of the current limiting chip U2 is connected to one end of the sixth resistor R6, and the other end of the sixth resistor R6, the other end of the sixth capacitor C6 and pin 2 of the current limiting chip U2 are commonly grounded.

4. The warp stop control box with segmented display according to claim 1, wherein the reset circuit includes a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, a seventh capacitor C7, a second diode D2, a third diode D3, a first triode Q3, a second triode Q3, a third triode Q3, an optocoupler U3, and a second interface J3, the optocoupler U3 employs a PC3117, the pin 4 of the second interface J3 is connected to one end of the seventh resistor R3, the other end of the seventh resistor R3 is connected to one end of the ninth resistor R3 and the pin 1 of the U3, the other end of the optocoupler 2 of the ninth resistor R3 is connected to one end of the eighth resistor R3, and the other end of the eighth resistor R3 is connected to the eighth interface R3, a pin 3 of the optocoupler U3 is connected with an anode of the second diode D2, a base of the first triode Q1 and one end of a tenth resistor R10, a collector of the first triode Q1 is connected with a cathode of a seventh capacitor C7 and one end of an eleventh resistor R11, an anode of a seventh capacitor C7 is connected with an anode of the third diode D3, a base of the second triode Q2 and one end of a twelfth resistor R12, a collector of the second triode Q2 is connected with one end of a thirteenth resistor R13 and one end of a fourteenth capacitor R14, the other end of the fourteenth resistor R14 is connected with one end of a fifteenth resistor R15 and a base of the third triode Q3, a collector of the third triode Q3 is connected with one end of a sixteenth resistor R16 and commonly connected to the buck loop, a pin 1 of the second interface J2 is connected to a machine device, a pin 1 of the second interface J2, a pin 4 of the U3 and a cathode of the second optocoupler diode D2, An emitter of the first triode Q1, a cathode of the third diode D3, an emitter of the second triode Q2, and the other end of the sixteenth resistor R16 are commonly connected to a V + dc power supply, and the 3-pin of the second interface J2, the other end of the tenth resistor R10, the other end of the eleventh resistor R11, the other end of the twelfth resistor R12, the other end of the thirteenth resistor R13, the other end of the fifteenth resistor R15, and the emitter of the third triode Q3 are commonly connected to ground.

5. The warp stop control box with segmented display as claimed in claim 1, wherein the detection loop comprises a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a second LED2, a fourth diode D4, a fourth triode Q4, a controller MCU and a warp stop detection switch JP, the output loop comprises a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22 and a fifth diode D5, the input terminal of the controller MCU is connected with one end of the seventeenth resistor R17 and is commonly connected with the warp stop bar through the warp stop detection switch JP, the other terminal of the seventeenth resistor R17 is connected with the cathode of the second LED2, the output terminal of the controller MCU is connected with the anode of the fourth diode D4, the cathode of the fourth diode D4 is connected with one end of the eighteenth resistor R18, the other terminal of the eighteenth resistor R18 is connected with the base of the fourth Q4 and one end of the nineteenth resistor R19, the collector of the fourth triode Q4 is connected to one end of a twentieth resistor R20, one end of a twenty-first resistor R21, one end of a twenty-second resistor R22 and the anode of a fifth diode D5, the other end of the twenty-second resistor R22 is connected to the machine, the anode of the second light emitting diode LED2 is connected to a VCC dc power supply, the other end of the twenty-first resistor R21 and the cathode of the fifth diode D5 are connected to a V + dc power supply, and the other end of the nineteenth resistor R19, the emitter of the fourth triode Q4 and the other end of the twentieth resistor R20 are connected to ground.

6. The sectional-display warp-stop control box according to claim 5, wherein the detection circuit further comprises a sixth diode D6 and a seventh diode D7, the sixth diode D6 is connected in series between the warp-stop detection switch JP and the controller MCU, a cathode of the sixth diode D6 is connected to the warp-stop detection switch JP and a cathode of the seventh diode D7, an anode of the sixth diode D6 is connected to the input terminal of the controller MCU and one end of a seventeenth resistor R17, and an anode of the seventh diode D7 is connected to a collector of the fourth triode Q4, one end of a twentieth resistor R20, one end of a twenty-first resistor R21, one end of a twenty-second resistor R22 and an anode of the fifth diode D5.