A filling equipment exhaust rod falling detection device and detection method

Abstract

The application discloses a kind of filling equipment exhaust rod drop detection device and detection method, filling equipment exhaust rod drop detection device, comprising: synchronous pulse disc, with the rotating shaft rotation connection of filling carousel, when filling carousel rotates one filling station corresponding angle, synchronous pulse disc rotates a week correspondingly;Proximity switch, with the detection point position of synchronous pulse disc is oppositely arranged, for detecting the pulse signal generated when synchronous pulse disc rotates;When filling carousel rotates, the detection area corresponding to each exhaust rod can be rotated to the opposite position with detection device, so that the detection device detects the drop state of exhaust rod in each detection area;Control device controls detection device operation according to the pulse signal detected by proximity switch, and alarm device alarms when control device determines exhaust rod drop according to detection device detection information.The above-mentioned detection device determines whether it drops by directly detecting the state of exhaust rod and alarms in time, is not affected by the material of filling bottle, and is accurate and effective.

Description

Technical Field

[0001] This invention relates to the field of filling equipment technology, and more specifically, to a device for detecting the fall of an exhaust rod in filling equipment. Furthermore, this invention also relates to a detection method for the aforementioned device for detecting the fall of an exhaust rod in filling equipment. Background Technology

[0002] Filling equipment is widely used in industries such as food, daily chemicals, and pharmaceuticals for the automatic filling of liquids, improving production efficiency. During liquid filling, an venting rod is required to monitor the liquid level. In continuous production, there is a risk of the venting rod falling off. If the venting rod falls off, subsequent filling at that valve position will be impossible, affecting the normal and safe operation of the equipment.

[0003] To address the aforementioned issues and ensure smooth production, a proximity switch for detecting metal objects is installed in the full-bottle detection equipment at the rear of the filling machine. This proximity switch directly detects whether an venting rod is present in the bottle, or, in conjunction with manual inspection, whether the venting rod has fallen out. If the venting rod has fallen out, the filling machine operator is notified for timely maintenance. In this method, the venting rod is made of stainless steel. If the bottle is made of glass or plastic, the proximity switch can detect the venting rod inside. However, if the bottle is made of metal, the proximity switch cannot directly detect the venting rod, making it impossible to determine if the venting rod has fallen out.

[0004] In summary, how to provide a vent rod drop detection device that is unaffected by the material of the filling bottle is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] In view of this, the purpose of this invention is to provide a device for detecting the fall of an exhaust rod in filling equipment. This device directly detects the state of the exhaust rod to determine whether it has fallen and can issue an alarm in a timely manner. It is unaffected by the material of the filling bottle, promptly detects fallen exhaust rods, and prevents them from affecting subsequent filling operations, thus ensuring the safety of the filling process. Another purpose of this invention is to provide a detection method for the aforementioned device for detecting the fall of an exhaust rod in filling equipment.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A device for detecting the fall of an exhaust rod in a filling machine includes:

[0008] A synchronous pulse disk is used to rotatably connect with the rotating shaft of the filling turntable. When the filling turntable rotates by an angle corresponding to one filling station, the synchronous pulse disk rotates one revolution.

[0009] A proximity switch is positioned relative to the detection point of the synchronous pulse disk and is used to detect the pulse signal generated when the synchronous pulse disk rotates.

[0010] The detection device is configured to be positioned opposite to the detection area where any exhaust rod is located on the upper side of the filling turntable. When the filling turntable rotates, the detection area corresponding to each exhaust rod can rotate to a position relative to the detection device, so that the detection device can detect the drop state of the exhaust rod in each detection area.

[0011] A control device is connected to the detection device and the proximity switch. The control device is used to control the operation of the detection device according to the pulse signal detected by the proximity switch.

[0012] An alarm device is connected to the control device via a signal. When the control device determines that the exhaust rod has fallen based on the detection information from the detection device, the control device controls the alarm device to sound an alarm.

[0013] Preferably, the control device is signal-connected to a display module, the control device is used to determine the corresponding filling station based on the falling state of the exhaust rod, and the display module is used to display the filling station information corresponding to the falling position.

[0014] Preferably, the detection device is a visual detection system, which includes a camera and a protective shell on its outer side. The camera's shooting port is positioned opposite to the detection area where any of the exhaust rods on the upper side of the filling turntable are located.

[0015] Preferably, the visual inspection system further includes an adjustment component, which is signal-connected to the control device. The control device is used to control the adjustment component to operate based on the position information of the exhaust rod in the photograph taken by the camera, so as to adjust the alignment between the exhaust rod and the shooting port.

[0016] Preferably, the detection device includes an ultrasonic sensor, which is signal-connected to the control device and used to detect pulse signals of the exhaust rod in each detection area;

[0017] The control device is equipped with a pulse counter, which is used to superimpose the pulse signal from the ultrasonic sensor and the pulse signal acquired by the proximity switch to obtain a count value. The control device determines the status of the exhaust rod drop based on the count value.

[0018] Preferably, the ultrasonic sensor is connected to the bracket, and the control device is used to adjust the position of the bracket according to the position corresponding to the pulse signal generated when the synchronous pulse disk rotates, so as to adjust the delay of the pulse signal of the ultrasonic sensor on the bracket.

[0019] Preferably, the alarm device includes a sound module and an alarm light. The sound module is signal-connected to the control device to remind the operator to shut down the equipment, and the alarm light is signal-connected to the control device to warn the operator.

[0020] The present invention also provides a detection method applied to the filling equipment exhaust rod drop detection device described in any of the above claims, the detection method comprising:

[0021] The proximity switch receives the pulse signal generated when the synchronous pulse disk rotates and sends it to the control device;

[0022] The control device controls the operation of the detection device based on the pulse signal detected by the proximity switch;

[0023] The detection device detects the drop status of the exhaust rod in each detection area and sends it to the control device;

[0024] The control device determines whether the exhaust rod has fallen based on its lowering state. If the exhaust rod falls, the control device controls the alarm device to sound an alarm.

[0025] Preferably, the detection device includes a camera.

[0026] The control device controls the camera to turn on synchronously based on the pulse signal detected by the proximity switch;

[0027] The camera captures a photograph within the detection area and transmits it to the control device;

[0028] The control device determines whether the exhaust rod has fallen off based on the photos taken by the camera. If the exhaust rod has fallen off, the control device controls the alarm device to sound an alarm.

[0029] Preferably, the detection device includes an ultrasonic sensor, and the control device controls the ultrasonic sensor to turn on based on the pulse signal detected by the proximity switch;

[0030] The ultrasonic sensor detects the pulse signal of the exhaust rod in each detection area and transmits it to the control device;

[0031] The control device determines the status of the exhaust rod drop based on the superposition of the pulse signal from the exhaust rod and the pulse signal from the proximity switch.

[0032] The present invention provides a detection device for detecting the fall of exhaust rods in filling equipment. Specifically, the detection device includes a synchronous pulse disk, a proximity switch, a detection device, a control device, and an alarm device. The synchronous pulse disk is rotatably connected to the shaft of the filling turntable. When the filling turntable rotates one angle corresponding to a filling station, the synchronous pulse disk rotates one revolution. The proximity switch is positioned opposite to the detection point of the synchronous pulse disk. When the detection point of the synchronous pulse disk rotates one revolution, the proximity switch can transmit the pulse signal generated by its rotation to the control device. The control device controls the operation of the detection device to ensure the accuracy of the detection of the fall status of the exhaust rod. The detection device is positioned opposite to the detection area where any exhaust rod is located on the upper side of the filling turntable. When the filling turntable rotates, the detection area corresponding to each exhaust rod can rotate to the position corresponding to the detection device, so that the detection device can detect the fall status of the exhaust rod in the detection area and feed it back to the control device. When the control device determines that the exhaust rod has fallen based on the detection information of the detection device, it controls the alarm device to sound an alarm to remind the operator to take timely measures to ensure the safety of the filling operation and avoid affecting subsequent filling operations. The aforementioned detection device directly detects the state of the exhaust rod to determine whether it has fallen off and can promptly sound an alarm. It is unaffected by the material of the filling bottle, and can detect fallen exhaust rods in a timely manner to prevent them from affecting subsequent filling and ensure the safety of the filling operation. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0034] Figure 1 A schematic diagram of the structure of the filling equipment exhaust rod drop detection device provided by the present invention;

[0035] Figure 2 This is a first specific embodiment of the filling equipment exhaust rod drop detection device provided by the present invention;

[0036] Figure 3 A schematic diagram showing the positions of the proximity switch and the synchronization pulse disk in the first specific embodiment of the present invention;

[0037] Figure 4 This is a second specific embodiment of the filling equipment exhaust rod drop detection device provided by the present invention;

[0038] Figure 5 A schematic diagram showing the positions of the proximity switch and the synchronization pulse disk in the second specific embodiment of the present invention;

[0039] Figure 6 This is a front view of the synchronous pulse disk provided by the present invention;

[0040] Figure 7 A side view of the synchronous pulse disk provided by the present invention;

[0041] Figure 8 The pulse timing diagram is provided for the second specific embodiment of the present invention.

[0042] Figures 1-8 In the accompanying drawings, the reference numerals include:

[0043] 1-Support frame; 2-Detection device; 3-Centering cover mounting bracket; 4-Exhaust rod; 5-Synchronous pulse disk; 6-Proximity switch;

[0044] 21-Camera; 22-Protective housing; 23-Ultrasonic sensor. Detailed Implementation

[0045] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0046] The core of this invention is to provide a device for detecting the fall of an exhaust rod in filling equipment. This device directly detects the state of the exhaust rod to determine if it has fallen and can issue an alarm promptly. It is unaffected by the material of the filling bottle, allowing for timely detection of fallen exhaust rods and preventing them from affecting subsequent filling operations, thus ensuring the safety of the filling process. Another core aspect of this invention is to provide a detection method for the aforementioned device for detecting the fall of an exhaust rod in filling equipment.

[0047] The filling equipment exhaust rod drop detection device provided by this invention includes a synchronous pulse disk 5, a proximity switch 6, a detection device 2, a control device, and an alarm device. Please refer to [reference needed]. Figure 1 .

[0048] The synchronous pulse disk 5 is rotatably connected to the shaft of the filling turntable. Multiple filling stations are set on the filling turntable. When the shaft of the filling turntable rotates to the angle corresponding to one filling station, the synchronous pulse disk rotates one revolution. If there are 30 sets of filling stations, the angle corresponding to one filling station here is 30°.

[0049] The proximity switch 6 and the synchronous pulse disk 5 are set relative to each other. When the filling turntable rotates one filling station and the synchronous pulse disk 5 rotates one revolution, the proximity switch 6 detects a set of pulse signals generated when the synchronous pulse disk 5 rotates and sends them to the control device, so that the control device controls the operation of the detection device 2 according to the situation.

[0050] Optionally, the detection point of the synchronous pulse disk 5 can be set at any position in its circumference, mainly to facilitate the detection of pulse signals by the proximity switch 6.

[0051] Optionally, when the control device receives the pulse signal generated by the synchronous pulse disk 5, it can synchronously control the operation of the detection device 2, so that the detection device 2 can synchronously acquire the information of the exhaust rod 4.

[0052] Optionally, when the control device receives the pulse signal generated by the synchronous pulse disk 5, it can delay the operation of the detection device 2, so that the detection device 2 delays the acquisition of information from the exhaust rod 4.

[0053] The detection device 2 is set opposite to the detection area where any exhaust rod 4 is located on the upper side of the filling turntable. This relative setting can be either center-to-center or offset relative. The main purpose is to ensure that the detection device 2 can detect the fall of the exhaust rod 4 within the detection area.

[0054] The exhaust rod 4 on the upper side of the filling turntable is specifically set on the centering cover mounting frame 3. When the filling turntable rotates, the detection area corresponding to each exhaust rod 4 can be rotated to be set opposite to the detection device 2, so that the detection device 2 can detect the falling state of the exhaust rod 4 in each detection area. The falling state here refers to two states: the exhaust rod 4 falls off the centering cover mounting frame 3 or remains fixed on the centering cover mounting frame 3.

[0055] The control device is connected to the alarm device. If the control device determines that the exhaust rod 4 has fallen based on the detection information from the detection device 2, it will control the alarm device to sound an alarm so that the operator can be notified and take relevant measures in time, such as stopping the machine, to avoid affecting subsequent filling operations and ensure the safety of the filling operation.

[0056] In this embodiment, the detachment status of the exhaust rod 4 is directly detected to determine whether the exhaust rod 4 has fallen off. This method is unaffected by the material of the filling bottle, has a simple structure, and is easy to maintain. The detachment status of the exhaust rod 4 can be detected regardless of whether the filling bottle is made of plastic, metal, or glass, thereby improving the applicability of the detection device, increasing detection accuracy, reducing the generation of defective products, improving the product qualification rate, and ensuring the safe operation of the filling equipment.

[0057] Optionally, the alarm device can be a light alarm or an audible alarm.

[0058] Optionally, the detection device 2 can be an infrared device, such as a camera or sensor.

[0059] The aforementioned exhaust rod drop detection device for filling equipment is used to detect the drop of the exhaust rod. Specifically, the detection device includes a synchronous pulse disk 5, a proximity switch 6, a detection device 2, a control device, and an alarm device. The synchronous pulse disk 5 is rotatably connected to the shaft of the filling turntable. When the filling turntable rotates one angle corresponding to a filling station, the synchronous pulse disk 5 rotates one revolution. The proximity switch 6 is positioned opposite the detection point of the synchronous pulse disk 5. When the detection point of the synchronous pulse disk 5 rotates one revolution, the proximity switch 6 transmits the pulse signal generated by its rotation to the control device, which then controls the operation. The detection device operates to ensure the accuracy of detecting the fall status of the exhaust rod 4. The detection device is positioned opposite the detection area of ​​any exhaust rod 4 on the upper side of the filling turntable. When the filling turntable rotates, the detection area corresponding to each exhaust rod 4 can rotate to the position corresponding to the detection device. This allows the detection device to detect the fall status of the exhaust rod 4 within the detection area and feed it back to the control device. Based on the detection information from the detection device 2, the control device determines when the exhaust rod 4 has fallen and activates the alarm to alert the operator, ensuring the safety of the filling operation and preventing disruption to subsequent filling processes. This detection device directly detects the state of the exhaust rod to determine if it has fallen and can promptly trigger an alarm. It is unaffected by the material of the filling bottle, allowing for timely detection of fallen exhaust rods and preventing them from affecting subsequent filling operations, thus ensuring the safety of the filling process.

[0060] Based on the above embodiments, the control device is signal-connected to a display module. The control device is used to determine the corresponding filling station based on the falling state of the exhaust rod 4, and the display module is used to display the filling station information corresponding to the falling position.

[0061] In this embodiment, the control device stores information corresponding to each filling station in advance. When the exhaust rod 4 falls, the control device can determine the corresponding filling station based on the operation information of the filling turntable, so as to quickly obtain the position of the fallen rod.

[0062] The control device is connected to a display module, which displays the filling station information corresponding to the position of the dropped rod, such as the exhaust rod valve number.

[0063] Optionally, the control device can also record the number of times the bar drops and its location within a unit of time, and display it on the display module for the user's reference.

[0064] Based on any of the above embodiments, the detection device 2 is a visual inspection system, which includes a camera 21 and a protective shell 22 on its outer side. The shooting port of the camera 21 is set opposite to the detection area where any of the exhaust rods 4 on the upper side of the filling turntable are located.

[0065] Please refer to Figure 2-3 , Figure 6-7 The detection device 2 is a vision detection system, which includes a camera 21 and a protective shell 22 on its outer side. The protective shell 22 can be made transparent and has an opening. The shooting port of the camera 21 is set opposite to the detection area where any exhaust rod 4 is located on the upper side of the filling turntable, so as to obtain a photo of the detection area during filling by shooting with the camera 21. By analyzing the photo through the control device, the falling situation of the exhaust rod 4 can be known.

[0066] When the control device analyzes the photos, it can compare the captured photos with the photos stored in the control device to determine whether the exhaust rod 4 is in the captured photos, so as to know the situation of the exhaust rod 4 falling.

[0067] To facilitate the placement of the visual inspection system, a support frame 1 is provided on one side of the exhaust rod 4. The support frame 1 provides support and can be connected to the fixed frame of the filling equipment. The support frame 1 is movably mounted on the fixed frame, which facilitates the adjustment of the position of the camera 21 according to the actual situation.

[0068] Meanwhile, the adjustability of the support frame 1 also allows the detection device to meet the needs of changing production for bottles of different heights, making it more suitable for flexible production and improving the applicability and flexibility of the device.

[0069] It should be noted that when the detection device 2 includes a camera 21, when the control device acquires the pulse signal detected by the proximity switch 6, it sends a signal to the vision detection system, and controls the camera 21 to take a picture through the pulse signal detected by the proximity switch 6.

[0070] Based on any of the above embodiments, the visual inspection system further includes an adjustment component, which is signal-connected to a control device. The control device is used to control the adjustment component to operate based on the position information of the exhaust rod 4 in the photograph taken by the camera 21, so as to adjust the alignment between the exhaust rod 4 and the shooting port.

[0071] In this embodiment, the position of the camera 21 on the visual inspection system is adjustable. When determining the position of the camera 21, a position corresponding to the exhaust rod 4 can be preset. The camera 21 is then activated to take a picture. If the exhaust rod 4 is not in the center of the picture and the deviation is large, the control device controls the adjustment mechanism to operate until the exhaust rod 4 is in the center of the picture taken by the camera 21. At this time, the shooting port of the camera 21 and the exhaust rod 4 are aligned, avoiding the problem of the exhaust rod 4 being blocked by other components and not being fully displayed. This facilitates obtaining a more accurate reference picture, and makes it easier for the control device to analyze and compare the picture taken by the camera 21, avoiding the problem of incomplete and inaccurate analysis and comparison due to position deviation.

[0072] Optionally, the adjustment component can be a lifting component, a sliding component, etc., which can realize the position adjustment of the camera in more than 21 directions.

[0073] Based on any of the above embodiments, the detection device 2 includes an ultrasonic sensor 23, which is signal-connected to the control device and used to detect the pulse signal of the exhaust rod 4 in each detection area.

[0074] The control device is equipped with a pulse counter, which is used to superimpose the pulse signal from the ultrasonic sensor 23 and the pulse signal from the proximity switch 6 to obtain a count value. The control device determines the drop status of the exhaust rod 4 based on the count value.

[0075] In this embodiment, the detection device 2 includes an ultrasonic sensor 23. The ultrasonic sensor 23 needs to be pre-set with an effective detection range to avoid false detection by the centering cover bracket and valve block mounting parts, etc., and to ensure that the ultrasonic sensor 23 detects the pulse signal of the exhaust rod 4.

[0076] The effective detection range of the ultrasonic sensor 23 can be set using either a single-point or two-point method. A single-point method sets an output window within a range centered on a set point. For example, if the ultrasonic sensor 23 is set at a distance of 150mm from the exhaust rod, the sensor detection range can be set between 130mm and 160mm. Within this range, the ultrasonic sensor 23 can detect the pulse signal of the exhaust rod 4, while components outside this range, such as the centering cover mounting bracket and valve block mounting block, will not be detected. This method is suitable for symmetrical structures, such as those with other components symmetrically positioned on both sides of the exhaust rod 4, where only the exhaust rod 4 information needs to be detected.

[0077] The two-point method involves setting two extreme values ​​for the detection range, within which the sensor outputs its signal. For example, if the ultrasonic sensor 23 is set to detect within a range of 100~200mm, other components outside this range will not be detected. This method is suitable for asymmetrical structures, such as components located at a certain distance from the front end of the exhaust manifold 4 and at another distance from the rear end, where the two distances are not the same. In reality, only the exhaust manifold 4 needs to be detected.

[0078] In this embodiment, the sensor detection range is set by pressing the sensor's setting button to calibrate the two endpoints of the detection range. After the sensor detection range is set, the entire filling equipment's exhaust rod drop detection device is then activated.

[0079] The control device is equipped with a pulse counter, which is used to superimpose the pulse signal from the ultrasonic sensor 23 to obtain a count value. When the proximity switch 6 receives the pulse signal generated by the rotation of the synchronous pulse disk 5, the pulse counter increments by 1. When the ultrasonic sensor 23 detects the pulse signal of the exhaust rod 4, the count value is reset to 0. During equipment operation, when the exhaust rod is not dropped, the count value fluctuates between 0 and 1. When an exhaust rod 4 is dropped, the pulse counter increments by 1, and the count value becomes 2. The control device can activate the alarm device to sound an alarm if the count value is greater than or equal to 2.

[0080] Based on any of the above embodiments, the ultrasonic sensor 23 is connected to the bracket, and the control device is used to adjust the position of the bracket according to the position corresponding to the pulse signal generated when the synchronous pulse disk 5 rotates, so as to adjust the delay of the pulse signal of the ultrasonic sensor 23 on the bracket.

[0081] The ultrasonic sensor 23 is connected to the bracket. The control device can adjust the position of the ultrasonic wave on the bracket. To facilitate the counting of the pulse counter, a certain delay is set between the pulse signal acquired by the ultrasonic sensor 23 and the pulse signal acquired by the proximity switch 6.

[0082] For details, please refer to Figure 4-7 Start the filling equipment, rotate the synchronous pulse disk 5 clockwise by 30 degrees, adjust the position of the ultrasonic sensor 23 so that it is opposite to the exhaust rod 4, and after a certain period of time after the proximity switch 6 detects the pulse signal generated when the synchronous pulse disk 5 rotates, the ultrasonic sensor 23 detects the pulse signal of the exhaust rod 4. Figure 8 As shown.

[0083] Optionally, the position of the bracket can be moved directly so that in a filling station, the pulse signal of the synchronous pulse disk 5 is detected first, and the pulse signal of the exhaust rod 4 is detected later.

[0084] Based on any of the above embodiments, the alarm device includes a sound module and an alarm light. The sound module is signal-connected to the control device to remind the operator to shut down the equipment, and the alarm light is signal-connected to the control device to warn the operator.

[0085] In this embodiment, the operator is alerted by sound and light, so that when the exhaust rod 4 falls, the operator can react in time, such as prompting that the machine needs to be stopped or that a malfunction has occurred, so as to facilitate timely operation and avoid affecting subsequent filling operations.

[0086] In addition to the aforementioned vent rod drop detection device for filling equipment, the present invention also provides a detection method for the vent rod drop detection device for filling equipment disclosed in the above embodiments, the detection method comprising:

[0087] The proximity switch 6 receives the pulse signal generated when the synchronous pulse disk 5 rotates and sends it to the control device;

[0088] The control device controls the operation of the detection device 2 based on the pulse signal detected by the proximity switch 6;

[0089] The detection device 2 detects the drop status of the exhaust rod 4 in each detection area and sends it to the control device;

[0090] The control device determines whether the exhaust rod 4 has fallen based on its falling state. If the exhaust rod 4 falls, the control device activates the alarm device to sound an alarm.

[0091] Based on the above embodiments, the detection device 2 includes a camera 21.

[0092] The control device controls the camera 21 to turn on synchronously based on the pulse signal detected by the proximity switch 6;

[0093] The camera takes a picture of the detection area and transmits it to the control device;

[0094] The control device determines whether the exhaust rod 4 has fallen off based on the photos taken by the camera. If the exhaust rod 4 has fallen off, the control device will activate the alarm device to sound an alarm.

[0095] When the detection device 2 includes a camera 21, the camera 21 takes pictures to determine whether there is an exhaust rod 4 in the detection area. The control device compares and analyzes the pictures to determine whether the exhaust rod 4 has fallen. If the exhaust rod 4 has fallen, the control device controls the alarm device to sound an alarm in time to remind the operator to take timely action.

[0096] Based on any of the above embodiments, the detection device 2 includes an ultrasonic sensor 23, and the control device controls the ultrasonic sensor 23 to turn on according to the pulse signal detected by the proximity switch 6.

[0097] The ultrasonic sensor 23 detects the pulse signal of the exhaust rod 4 in each detection area and transmits it to the control device;

[0098] The control device determines the status of the exhaust rod 4 falling based on the superposition of the pulse signal from the exhaust rod 4 and the pulse signal from the proximity switch 6.

[0099] When the detection device 2 includes an ultrasonic sensor 23, in a filling station, the pulse signal of the synchronous pulse disk 5 is detected first, and the pulse signal of the exhaust rod 4 is detected later. If the exhaust rod 4 falls, the superimposed pulse count value changes. The change here refers to the difference from the superimposed pulse count value when the exhaust rod 4 has not fallen, so that the control device can know that the exhaust rod 4 has fallen and control the alarm device to sound an alarm.

[0100] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0101] The above provides a detailed description of the vent rod drop detection device and method for filling equipment provided by the present invention. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are merely for the purpose of helping to understand the method and core ideas of the present invention. It should be noted that those skilled in the art can make various improvements and modifications to the present invention without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A device for detecting the fall of an exhaust rod in a filling equipment, characterized in that, include: Synchronous pulse disk (5) is used to rotate in connection with the shaft of the filling turntable. When the filling turntable rotates by an angle corresponding to one filling station, the synchronous pulse disk (5) rotates one revolution. A proximity switch (6) is set relative to the detection point of the synchronous pulse disk (5) and is used to detect the pulse signal generated when the synchronous pulse disk (5) rotates; The detection device (2) is set opposite to the detection area where any exhaust rod (4) is located on the upper side of the filling turntable. When the filling turntable rotates, the detection area corresponding to each exhaust rod (4) can rotate to a position opposite to the detection device (2), so that the detection device (2) can detect the drop state of the exhaust rod (4) in each detection area. The control device is connected to the detection device (2) and the proximity switch (6) by signal. The control device is used to control the operation of the detection device (2) according to the pulse signal detected by the proximity switch (6). The control device is also used to determine the corresponding filling station according to the drop state of the exhaust rod (4). An alarm device is connected to the control device via a signal. When the control device determines that the exhaust rod (4) has fallen based on the detection information of the detection device (2), the control device controls the alarm device to sound an alarm. The detection device (2) includes an ultrasonic sensor (23), which is signal-connected to the control device and used to detect the pulse signal of the exhaust rod (4) in each detection area; the exhaust rod (4) is mounted on the centering cover mounting bracket (3), and the ultrasonic sensor (23) is pre-set with an effective detection range to avoid the centering cover mounting bracket (3) and only detect whether the exhaust rod (4) has fallen off the centering cover mounting bracket (3); The control device is equipped with a pulse counter, which is used to superimpose the pulse signal of the ultrasonic sensor (23) and the pulse signal obtained by the proximity switch (6) to obtain a count value. The control device determines the fall status of the exhaust rod (4) based on the count value. When the proximity switch (6) obtains the pulse signal generated when the synchronous pulse disk (5) rotates, the pulse counter increments by 1. When the ultrasonic sensor (23) detects the pulse signal of the exhaust rod (4), the count value is reset to 0. When the exhaust rod (4) does not fall during equipment operation, the count value fluctuates between 0 and 1. When one of the exhaust rods (4) falls, the pulse counter increments by 1 and the count value becomes 2. The control device controls the alarm device to sound an alarm if the count value is greater than or equal to 2.

2. The filling equipment exhaust rod drop detection device according to claim 1, characterized in that, The control device is connected to a display module. The control device is used to determine the corresponding filling station based on the drop state of the exhaust rod (4). The display module is used to display the filling station information corresponding to the drop position.

3. The filling equipment exhaust rod drop detection device according to claim 2, characterized in that, The detection device (2) is a visual detection system, which includes a camera (21) and a protective shell (22) on its outer side. The shooting port of the camera (21) is set opposite to the detection area where any of the exhaust rods (4) on the upper side of the filling turntable are located.

4. The filling equipment exhaust rod drop detection device according to claim 3, characterized in that, The visual inspection system also includes an adjustment component, which is signal-connected to the control device. The control device is used to control the adjustment component to operate based on the position information of the exhaust rod (4) in the photograph taken by the camera (21) so as to adjust the alignment of the exhaust rod (4) with the shooting port.

5. The filling equipment exhaust rod drop detection device according to claim 4, characterized in that, The ultrasonic sensor (23) is connected to the bracket. The control device is used to adjust the position of the bracket according to the position of the pulse signal generated when the synchronous pulse disk (5) rotates, so as to adjust the delay of the pulse signal of the ultrasonic sensor (23) on the bracket.

6. The filling equipment exhaust rod drop detection device according to claim 4 or 5, characterized in that, The alarm device includes a sound module and an alarm light. The sound module is connected to the control device to remind the operator to shut down the equipment, and the alarm light is connected to the control device to warn the operator.

7. A detection method, characterized in that, The detection method for the vent rod drop detection device of the filling equipment according to any one of claims 1-6 includes: The proximity switch (6) receives the pulse signal generated when the synchronous pulse disk (5) rotates and sends it to the control device; The control device controls the operation of the detection device (2) based on the pulse signal detected by the proximity switch (6); The detection device (2) detects the drop status of the exhaust rod (4) in each detection area and sends it to the control device; The control device determines whether the exhaust rod (4) has fallen based on the rod's drop state. If the exhaust rod (4) falls, the control device controls the alarm device to sound an alarm.

8. The detection method according to claim 7, characterized in that, The detection device (2) includes a camera (21). The control device controls the camera (21) to turn on synchronously based on the pulse signal detected by the proximity switch (6); The camera captures a photograph within the detection area and transmits it to the control device; The control device determines whether the exhaust rod (4) has fallen off based on the photos taken by the camera. If the exhaust rod (4) has fallen off, the control device controls the alarm device to sound an alarm.

9. The detection method according to claim 7, characterized in that, The detection device (2) includes an ultrasonic sensor (23), and the control device controls the ultrasonic sensor (23) to turn on based on the pulse signal detected by the proximity switch (6). The ultrasonic sensor (23) detects the pulse signal of the exhaust rod (4) in each detection area and transmits it to the control device; The control device determines the status of the exhaust rod (4) falling off based on the superposition of the pulse signal from the exhaust rod (4) and the pulse signal obtained by the proximity switch (6).

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