Cigarette making and tipping unit fault alarm device and system

Abstract

The embodiment of the utility model discloses a cigarette making and tipping machine combination fault alarm device and system, the device comprises a switch module of a safety loop of a cigarette making and tipping machine combination and an alarm loop, and the alarm loop comprises a detection module, a display module and a control module; the input end of the detection module is connected with a switch module of a safety circuit of the cigarette making and tipping machine set, the output end of the detection module is connected with the input end of the control module, the output end of the control module is connected with the input end of the display module, and the detection module detects the state of the switch module of the safety circuit of the cigarette making and tipping machine set; the control module receives a state signal detected by the detection module and transmits a fault position signal to the display module; the display module displays the fault position. The problem that the fault position cannot be accurately judged is solved. Comprehensive detection of the safety circuit of the cigarette making and tipping unit is realized, the fault removal efficiency of the safety circuit is improved, and safe operation and timely maintenance of equipment are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the monitoring technical field of cigarette equipment especially relates to a cigarette making and tipping machine group fault alarm device and system. BACKGROUND

[0002] The safety protection door of the cigarette making and tipping machine is an important barrier to protect the safety of the operator. However, in the actual production process, the safety protection door detection system of the cigarette making and tipping machine has some deficiencies, which may cause safety hazards and equipment failures, affecting the production efficiency and product quality.

[0003] The prior art usually adds a pair of contacts to the protection switch, and when the switch is closed, the relay is attracted, which can show the alarm position to a certain extent. However, in the safety control circuit of the cigarette making and tipping machine, the normally closed point is not closed and the normally open point is also not closed when the switch is closed, and the fault position cannot be accurately determined. SUMMARY

[0004] The utility model provides a cigarette making and tipping machine group fault alarm device and system to solve the problem of inaccurate fault position determination.

[0005] The utility model provides a cigarette making and tipping machine group fault alarm device, including the switch module and alarm circuit of the safety circuit of cigarette making and tipping machine group, the alarm circuit includes detection module, control module and display module;

[0006] The input end of the detection module is connected with the switch module of the safety circuit of the cigarette making and tipping machine group, the output end of the detection module is connected with the input end of the control module, the output end of the control module is connected with the input end of the display module, and the detection module is used for detecting the state of the switch module of the safety circuit of the cigarette making and tipping machine group;

[0007] The control module is used for receiving the state signal transmitted by the detection module and transmitting the fault position signal to the display module;

[0008] The display module is used for displaying the fault position of the safety circuit of the cigarette making and tipping machine group.

[0009] Optionally, the detection module includes at least two light detection units, and the light detection units are arranged at both ends of the switch module of the safety circuit of the cigarette making and tipping machine group.

[0010] Optionally, the light detection unit includes a light emitting diode and a photosensitive device, the anode of the light emitting diode is connected to the switch module of the safety circuit of the cigarette making and tipping machine group, the cathode of the light emitting diode is connected to 0V, the first end of the photosensitive device is connected to a power supply, and the second end of the photosensitive device is connected to the input end of the control module.

[0011] Optionally, the control module comprises a comparison circuit, a first input end of the comparison circuit is connected with an output end of the detection module, a second input end of the comparison circuit is connected with a reference voltage, and an output end of the comparison circuit is connected with the display module; the comparison circuit is used for outputting a fault position signal according to a state signal output by the detection module and the reference voltage.

[0012] Optionally, the display module comprises a touch screen, the touch screen is provided with a man-machine interface, and the touch screen is used for inquiring about an operation state, a historical fault record and fault information of the cigarette making and assembling machine group.

[0013] Optionally, the switch module of the safety circuit of the cigarette making and assembling machine group comprises an electrical safety circuit switch module, and the electrical safety circuit switch module comprises at least one controller switch, at least one emergency stop button, at least one proximity switch and at least one contactor switch.

[0014] The controller switch, the emergency stop button, the proximity switch and the contactor switch are connected in series and / or in parallel on the electrical safety circuit, and the controller switch is used for controlling start, stop and reset of the equipment.

[0015] The emergency stop button is used for stopping operation of the equipment in an emergency.

[0016] The proximity switch is used for detecting a position of a component of the equipment.

[0017] The contactor switch is used for controlling start and stop of a motor.

[0018] Optionally, the switch module of the safety circuit of the cigarette making and assembling machine group further comprises a control circuit switch module, the control circuit switch module comprises at least one proximity switch and at least one emergency stop button, and the proximity switch and the emergency stop button are connected in series on the control circuit.

[0019] According to another aspect of the utility model, a cigarette making and assembling machine group fault alarm system is further provided, which comprises the cigarette making and assembling machine group fault alarm device in any of the above embodiments.

[0020] The technical scheme of the embodiment of the utility model discloses a technical scheme, through setting up detection module, control module and display module, the state of switch module of detection module monitoring volume interface unit safety loop, after processing and analysis through control module, determine the specific position of the fault, deliver the fault position signal to display module, present to the user in the intuitive mode.The problem of not being able to accurately determine the fault position is solved.Volume interface unit safety loop comprehensive detection is realized, the safety loop troubleshooting efficiency is improved, and the safe operation and timely maintenance of equipment are ensured.

[0021] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the utility model, and is not used to limit the scope of the utility model. Other features of the utility model will become easy to understand through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0023] Figure 1 It is a structure schematic view of a volume interface unit fault alarm device provided by the embodiment of the utility model;

[0024] Figure 2 It is a structure schematic view of another volume interface unit fault alarm device provided by the embodiment of the utility model;

[0025] Figure 3 It is a structure schematic view of a light detection unit provided by the embodiment of the utility model;

[0026] Figure 4 It is a structure schematic view of another volume interface unit fault alarm device provided by the embodiment of the utility model;

[0027] Figure 5 It is a structure schematic view of a safety loop of a volume interface unit provided by the embodiment of the utility model;

[0028] Figure 6 It is a structure schematic view of a volume interface unit electrical safety loop provided by the embodiment of the utility model;

[0029] Figure 7 It is a structure schematic view of a volume interface unit control loop provided by the embodiment of the utility model;

[0030] Figure 8 It is a structure schematic view of a volume interface unit fault alarm system provided by the embodiment of the utility model. DETAILED DESCRIPTION

[0031] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0032] It should be noted that the terms "first", "second" and the like in the description and claims of the present application and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or a chronological sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in other than the order illustrated or described herein. In addition, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, system, product or device that comprises a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, products or devices.

[0033] Figure 1 is a structural schematic diagram of a fault alarm device of a cigarette making machine provided by the embodiments of the present application, and the present embodiment can be applied to the scene where the cigarette making machine needs to accurately judge the fault position. As shown in the figure, the device comprises a switch module 101 of a safety circuit 10 of the cigarette making machine and an alarm circuit 20, and the alarm circuit 20 comprises a detection module 102, a control module 103 and a display module 104. Figure 1

[0034] The input end of the detection module 102 is connected with the switch module 101 of the safety circuit 10 of the cigarette making machine, the output end of the detection module 102 is connected with the input end of the control module 103, and the output end of the control module 103 is connected with the input end of the display module 104, and the detection module 102 is used for detecting the state of the switch module 101 of the safety circuit 10 of the cigarette making machine.

[0035] The control module 103 is used for receiving the state signal transmitted by the detection module 102 and transmitting the fault position signal to the display module 104.

[0036] The display module 104 is used for displaying the fault position of the safety circuit 10 of the cigarette making machine.

[0037] ​The safety circuit 10 of the cigarette making machine group is an important system for ensuring safe operation of the equipment and safety of the operator. The safety circuit 10 of the cigarette making machine group includes safety elements, a control system, a driving device, and the like. If any point in the safety circuit 10 of the cigarette making machine group is not connected, the cigarette making machine safety circuit fails, and the equipment cannot be started. The input end of the detection module 102 is connected with the switch module 101 of the safety circuit 10 of the cigarette making machine group. The detection module 102 can monitor the state of the switch module 101 of the safety circuit 10 of the cigarette making machine group. When the state of the switch module 101 is detected to be abnormal, the detection module 102 can send a state signal to the control module 103. The control module 103 processes and analyzes the state signal transmitted by the detection module 102 to determine a fault position signal. The control module 103 can send the determined fault position signal to the display module 104. The display module 104 can receive the fault position signal from the control module 103 and display the received fault position in a visual form. Through the display module 104, the user can directly see the specific position of the fault in the safety circuit 10 of the cigarette making machine group, and the maintenance and processing can be performed in time.

[0038] The technical scheme of the embodiment of the utility model, through setting detection module, control module and display module, detection module monitors the state of the switch module of the safety circuit of the cigarette making machine group, processes and analyzes through control module, determines the specific position of the fault, and transmits the fault position signal to the display module, presents to the user in an intuitive way. The problem that the fault position cannot be accurately judged is solved. The comprehensive detection of the safety circuit of the cigarette making machine group is realized, the safety circuit troubleshooting efficiency is improved, and the safe operation and timely maintenance of the equipment are ensured.

[0039] Figure 2 It is another structure schematic view of the cigarette making machine group fault alarm device provided by the embodiment of the utility model, in some optional embodiments of the utility model, as shown in Figure 2 The detection module 102 includes at least two light detection units 1021, and the light detection units 1021 are arranged at both ends of the switch module 101 of the safety circuit 10 of the cigarette making machine group.

[0040] The detection module 102 can include at least two light detection units 1021, and the light detection units 1021 can detect the integrity of the safety circuit of the cigarette making machine group by using the optical coupling isolation technology. Each light detection unit 1021 is connected at both ends of the switch module 101 of the safety circuit 10 of the cigarette making machine group. The light detection unit 1021 can detect the state change of the switch module 101 of the safety circuit 10 of the cigarette making machine group, thereby realizing real-time monitoring of the integrity of the safety circuit and the switch state. It is ensured that the safety circuit abnormality of the cigarette making machine group can be found in time during the operation process, and the safe and stable operation of the equipment is ensured.

[0041] Figure 3 is a structural schematic view of the light detection unit, in some optional embodiments of the utility model, reference Figure 2 and Figure 3 , the light detection unit 1021 includes light emitting diode D1 and photosensitive device Q1, the positive pole of light emitting diode D1 is accessed at the switch module 101 of the safety circuit 10 of the rolling machine group, the negative pole of light emitting diode D1 is accessed 0V, the first end of photosensitive device Q1 is accessed power supply, and the second end of photosensitive device Q1 is accessed the input end of control module 103.

[0042] Wherein, light emitting diode D1 is a kind of semiconductor electronic component, when current passes, it can emit light.Light-sensitive device Q1 can perceive light change and convert optical signal into electrical signal.Light-sensitive device Q1 can be photosensitive triode and photosensitive resistance etc.Power supply voltage can be 24V.The positive pole of light emitting diode D1 is accessed at the switch module 101 of the safety circuit 10 of the rolling machine group, the negative pole of light emitting diode D1 is accessed 0V, the first end of photosensitive device Q1 is accessed power supply, and the second end of photosensitive device Q1 is accessed the input end of control module 103.Specifically, if there is voltage at the switch module 101 of the safety circuit 10 of the rolling machine group, at this time, current flows through light emitting diode D1, light emitting diode D1 can emit light, photosensitive device Q1 feels the optical signal of light emitting diode D1, photosensitive device Q1 is turned on, and the fault position signal output by control module 103 is no fault.If there is no voltage at the switch module 101 of the safety circuit 10 of the rolling machine group, at this time, no current flows through light emitting diode D1, light emitting diode D1 does not emit light, and photosensitive device Q1 is not turned on, and the fault position signal output by control module 103 is fault.

[0043] Figure 4 is another structural schematic view of the fault alarm device of the rolling machine group provided by the utility model, in some optional embodiments of the utility model, as Figure 4 Indicated, control module 103 includes comparison circuit 1031, the first input end of comparison circuit 1031 is connected with the output end of detection module 102, comparison circuit second input end accesses reference voltage VREF, and the output end of comparison circuit 1031 is connected with display module;Comparison circuit 1031 is used to output fault position signal according to the state signal output by detection module 102 and reference voltage VREF.

[0044] The first input end of the comparison circuit 1031 is connected with the output end of the detection module 102, and is used for receiving the state signal transmitted by the detection module 102. The second input end of the comparison circuit 1031 is connected with the reference voltage VREF. The reference voltage VREF is a pre-set reference voltage value, representing a certain standard or expected state when the device is normally running. By comparing the state signal output by the detection module 102 with the reference voltage VREF, the fault position signal of the safety circuit of the cigarette making machine group can be determined. The output end of the comparison circuit 1031 is connected with the display module 104, and is used for transmitting the fault position signal output by the comparison circuit 1031, i.e. whether there is a fault, to the display module 104. The display module 104 displays whether the device has a fault to the user according to the received fault state signal. The comparison circuit 1031 compares the state signal output by the detection module 102 with the reference voltage VREF. If the difference between the detected signal and the reference voltage VREF exceeds the pre-set normal range, the comparison circuit 1031 can determine that the device has a fault, and generate a corresponding fault position signal and transmit it to the display module 104, so that the user can know the fault state in time and take corresponding measures.

[0045] In some optional embodiments of the present application, with reference back to Figure 4 , the control module 103 comprises a PLC controller 1032, which is used for issuing a corresponding alarm signal according to the state signal output by the detection module 102.

[0046] The working principle of the PLC controller 1032 is based on cyclic scanning. The PLC controller 1032 can scan all input ends and read the input signals into the input image register. According to the data in the input image register, the PLC controller 1032 performs operation and processing according to the logical relationship of the user program. The processing result is sent to the output image register, and the signal is transmitted to the display module 104. Specifically, the detection module 102 comprises a plurality of light detection units 1021, the input end of the PLC controller 1032 is connected with the output ends of the plurality of light detection units 1021, the state signals of the plurality of light detection units 1021 can be scanned, and a safety circuit state matrix can be constructed according to the received state signals, so as to realize accurate positioning of the fault node and transmit the fault position signal to the display module 104. At the same time, the PLC controller 1032 integrates a fault diagnosis algorithm, which can automatically eliminate false alarm signal interference.

[0047] In some optional embodiments of the present application, with reference back to Figure 4 , the display module 104 comprises a touch screen 1041, the touch screen 1041 is provided with a man-machine interface, and the touch screen 1041 is used for querying the running state, historical fault record and fault information of the cigarette making machine group.

[0048] In the cigarette making machine group, the touch screen 1041 realizes monitoring and operation of the equipment through the man-machine interface, and the touch screen 1041 interface can display the running parameters of each part of the cigarette making machine group in real time, such as the equipment rotating speed, the cigarette production speed, the temperature, the pressure and the like. The running state of the equipment is displayed intuitively, such as normal operation, stop, fault and the like. When the equipment fails, the touch screen 1041 will immediately pop up the fault alarm information to prompt the operator the fault type and position of the equipment. The operator can query the historical fault record of the equipment through the touch screen 1041, so as to analyze the fault rule of the equipment and perform preventive maintenance.

[0049] The technical scheme of the utility model, through set up comparison circuit, PLC controller and touch screen, comparison circuit can output fault position signal, PLC controller can determine fault position and send corresponding alarm signal, can determine the safety circuit of cigarette making machine group's fault position, improve the intelligent monitoring level of cigarette making machine group, improve the production efficiency of equipment. When the equipment fails, the touch screen can help the operator to quickly locate and solve the fault, reduces the time of operator to measure the fault position using the multimeter, thereby reduces the equipment downtime.

[0050] Figure 5 It is a structure schematic view of the safety circuit of the cigarette making machine group provided by the utility model embodiment, Figure 6 It is a structure schematic view of the electrical safety circuit of the cigarette making machine group provided by the utility model embodiment, in some optional embodiments of the utility model, reference Figure 5 And Figure 6 The switch module of the safety circuit 10 of the cigarette making machine group includes the switch module 301 of the electrical safety circuit 30, and the switch module 301 of the electrical safety circuit 30 includes at least one controller switch 302, at least one emergency stop button 303, at least one proximity switch 304 and at least one contactor switch 305.

[0051] The controller switch 302, the emergency stop button 303, the proximity switch 304 and the contactor switch 305 are connected in series and / or parallel on the electrical safety circuit 30, the controller switch 302 is used for controlling the start, stop and reset of the equipment, the emergency stop button 303 is used for stopping the equipment running in an emergency, the proximity switch 304 is used for detecting the position of the equipment component, and the contactor switch 305 is used for controlling the start and stop of the motor.

[0052] The controller switch 302 is used for controlling the running state of the equipment, and the controller switch 302 controls the running of the equipment by changing the on-off state of the circuit. The controller switch 302 can normally control the start and stop of the equipment, and can also timely cut off the circuit and stop the running of the equipment when the equipment appears a fault or an abnormal condition, so that the fault is prevented from being expanded or a danger is avoided. The emergency stop button 303 is a control switch used in an emergency, and can immediately cut off the power supply of the equipment or stop the running of the equipment after being pressed, so that a possible danger is avoided. The proximity switch 304 is an inductive switch used for detecting whether an object approaches or reaches a specific position. When an object enters the sensing range thereof, the proximity switch 304 sends a signal, and is usually used for monitoring the position of an equipment component or whether a person approaches a dangerous area. The contactor switch 305 is an electromagnetic switch used for controlling the on-off of the circuit, and the contactor switch 305 controls the closing and opening of the contact by using the attraction and release of an electromagnet, so that the control of the circuit is realized. In the safety circuit of the cigarette making machine group, the contactor switch 305 can quickly respond to the signal change in the safety circuit, and when an abnormal condition is detected, such as overload, short circuit or the emergency stop button being pressed, the contactor switch 305 immediately opens the circuit and cuts off the power supply of the equipment, so that the safety of the equipment and the personnel is ensured.

[0053] Specifically, the controller switch 302, the emergency stop button 303, the proximity switch 304 and the contactor switch 305 are connected on the electrical safety circuit 30 in a series and / or parallel mode. The specific connection mode is as shown in the figure. Figure 6 Q1 is a controller switch, S1, S2, S3, S4, S5, S6, S7 and S8 are emergency stop buttons, K1, K2, K3, K4, K5, K6, K7, K8, K9 and K10 are contactor switches, and A1, A2 and A3 are proximity switches. Q1, S1, S2, K1, S3, S4, S5, S6, K6, A1, S7, S8, A2, K8, A3, K9, K10 and A4 are connected in series to form the electrical safety circuit 30. At this time, only when all the switches are in a normal state, the electrical safety circuit 30 can normally work, and the equipment can normally run. As long as one of the switches detects an abnormal condition and opens the circuit, the entire safety circuit is disconnected, and the equipment stops running. It can be ensured that the equipment can only run under the condition that all the safety conditions are met. K2 is connected in parallel with S2, the first end of K3 is connected to the first end of S2, K3 and K4 are connected in series, K5 is connected in parallel with K3, the first end of K7 is connected to the first end of K6, and the first end of K7 is connected to the first end of K6. It is usually used in a scene in which some switches are allowed not to work under certain conditions, but the safe running of the equipment is still ensured.

[0054] Figure 5 is a structural schematic view of a safety circuit of a cigarette making machine group provided by the embodiment of the utility model, Figure 7It is a structure schematic view of a control loop of a rolling machine group provided by the embodiment of the utility model, in some optional embodiments of the utility model, reference Figure 5 、 Figure 6 and Figure 7 , the switch module of the safety loop 10 of the rolling machine group further includes the switch module 401 of the control loop 40, the switch module 401 of the control loop 40 includes at least one proximity switch 403 and at least one emergency stop button 402, and the proximity switch 403 and the emergency stop button 401 are connected in series on the control loop.

[0055] Wherein, the proximity switch 403 and the emergency stop button 402 are connected in series in the control loop. Figure 7 Specific connection mode is shown as shown in the figure, S9, S10, S11, S12, S13 and S14 are all emergency stop buttons, A5 and A6 are proximity switches, S9, S10, S11, S12, S13, A5, S14 and A6 are connected in series to form the control loop 40, only when the proximity switch detects that the object is in the safety position, and the emergency stop button is not pressed, the control loop can work normally, and the equipment can normally run.If any element is triggered, the control loop will be cut off, and the equipment stops running, thereby ensuring the safety of operation.

[0056] The working principle of the utility model is: reference Figure 3 、 Figure 4 、 Figure 6 and Figure 7 , the detection module 102 includes a plurality of light detection units 1021, one end of each light detection unit 1021 is respectively installed at two end points of each switch module 101 of the safety loop 10, that is Figure 6 and Figure 7The controller switch, the emergency stop button, the proximity switch and the contactor switch are shown at both ends. If there is voltage at the switch module 101 of the safety circuit 10 of the cigarette making machine group, the light emitting diode D1 of the light detection unit 1021 emits light, the photosensitive device Q1 senses the light signal of the light emitting diode D1, the photosensitive device Q1 is turned on, and the fault position signal output by the control module 103 is no fault. If there is no voltage at the switch module 101 of the safety circuit 10 of the cigarette making machine group, at this time, no current flows through the light emitting diode D1, the light emitting diode D1 does not emit light, and the photosensitive device Q1 is not turned on. The control module 103 outputs a fault position signal. The control module 103 receives the state signal transmitted by the detection module 102, the comparison circuit compares the state signal with the reference voltage, outputs the fault position signal, and transmits the fault position signal to the display module 104. The safety circuit state matrix is constructed by the PLC controller 1031 of the control module 103, the fault node is accurately positioned, and the corresponding alarm signal is sent. When the device fails, the touch screen of the display module 104 will immediately pop up the fault alarm information, prompting the operator the type and position of the fault of the device.

[0057] Figure 8 It is a structural schematic diagram of a cigarette making machine group fault alarm system provided by the embodiment of the utility model, as shown in the figure, Figure 8 The cigarette making machine group fault alarm device described in any of the above embodiments.

[0058] The cigarette making machine group fault alarm system 50 provided by the embodiment of the utility model has the corresponding function modules and beneficial effects of the cigarette making machine group fault alarm device.

[0059] It should be understood that the above-mentioned various forms of processes can be reordered, added or deleted. For example, the steps described in the utility model can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solutions of the utility model can be achieved, and the present document does not limit this.

[0060] The above specific embodiments do not constitute a limitation on the protection scope of the utility model. Those skilled in the art should understand that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A fault alarm device for a coiling machine unit, characterized in that, The application relates to a switch module and an alarm circuit of a safety circuit of a cigarette making machine, wherein the alarm circuit comprises a detection module, a control module and a display module. The input end of the detection module is connected with the switch module of the safety circuit of the cigarette making machine, the output end of the detection module is connected with the input end of the control module, the output end of the control module is connected with the input end of the display module, and the detection module is used for detecting the state of the switch module of the safety circuit of the cigarette making machine. The control module is used for receiving the state signal transmitted by the detection module and transmitting a fault position signal to the display module. The display module is used for displaying the fault position of the safety circuit of the cigarette making machine.

2. The alarm device of claim 1, wherein, The detection module comprises at least two light detection units, and the light detection units are arranged at both ends of the switch module of the safety circuit of the cigarette making machine.

3. The alarm device of claim 2, wherein, The light detection unit comprises a light emitting diode and a photosensitive device, the anode of the light emitting diode is connected with the switch module of the safety circuit of the cigarette making machine, the cathode of the light emitting diode is connected with 0V, the first end of the photosensitive device is connected with a power supply, and the second end of the photosensitive device is connected with the input end of the control module.

4. The alarm device of claim 1, wherein, The control module comprises a comparison circuit, the first input end of the comparison circuit is connected with the output end of the detection module, the second input end of the comparison circuit is connected with a reference voltage, and the output end of the comparison circuit is connected with the display module; and the comparison circuit is used for outputting a fault position signal according to the state signal output by the detection module and the reference voltage.

5. The alarm device of claim 1, wherein, The control module comprises a PLC controller, and the PLC controller is used for outputting a corresponding alarm signal according to the state signal output by the detection module.

6. The alarm device of claim 1, wherein, The display module comprises a touch screen, the touch screen is provided with a man-machine interface, and the touch screen is used for inquiring about the running state, historical fault record and fault information of the cigarette making machine.

7. The alarm device of claim 1, wherein The switch module of the safety circuit of the cigarette making machine comprises a switch module of an electrical safety circuit, and the switch module of the electrical safety circuit comprises at least one controller switch, at least one emergency stop button, at least one proximity switch and at least one contactor switch. The controller switch, the emergency stop button, the proximity switch and the contactor switch are connected in series and / or parallel on the electrical safety circuit, and the controller switch is used for controlling the start, stop and reset of the equipment. The emergency stop button is used for stopping the equipment from running in an emergency. The proximity switch is used for detecting the position of the equipment component. The contactor switch is used for controlling the start and stop of the motor.

8. The alarm device of claim 1, wherein, The switch module of the safety circuit of the cigarette making machine further comprises a switch module of a control circuit, and the switch module of the control circuit comprises at least one proximity switch and at least one emergency stop button, and the proximity switch and the emergency stop button are connected in series on the control circuit.

9. A fault alarm system for a coiling and splicing unit, characterized in that, The cigarette making machine fault alarm device comprises the switch module of the safety circuit of the cigarette making machine.

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