Portable detection device for detecting action state of pull rope switch of conveying belt

Abstract

The utility model discloses a portable detection device for detecting the action state of a pull rope switch of a conveying belt, which comprises a box body, a detection main body, a human-computer interface, a signal interface, a power supply interface and a heat dissipation port, and is characterized in that the top of the rear side of the box body is hinged with a box cover through a hinge; the front side of the box body and the front side of the box cover are provided with a locking piece and a buckling piece which are matched with each other, an installation groove is formed in the box body, the detection body is arranged in the installation groove, the installation groove is fixedly provided with a transversely-distributed panel above the detection body, the panel is fixedly provided with a human-computer interface, and the human-computer interface is fixedly connected with the human-computer interface. The panel is fixedly provided with a signal interface below the man-machine interface, and one side of the signal interface is fixedly provided with a power supply interface. The detection device is small in size, light in weight and convenient to carry, when a user needs to carry and move the detection device, the user only needs to lift the handle, operation is easy, the fault latching function is achieved, the situation that faults cannot be judged if the faults are implicit is avoided, and detection accuracy is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of electrical automation signal detection, and in particular relates to a portable detection device for detecting the action state of a conveyor belt pull rope switch. Background Art

[0002] Pull-rope switches are installed on the racks on both sides of the conveyor belt of the thermal power plant, and the switches are connected by wire ropes. When an emergency occurs in the conveyor belt equipment, the wire rope is pulled at any point along the site, and the wire rope pulls the micro switch to cut off the control line, causing the conveyor belt to stop running. Since the operating lines on both sides of the pull-rope switch are 10 to 50 meters long, and the length of some conveyor belts exceeds 1,000 meters, there are a large number of pull-rope switches along the line. Since all pull-rope switches are connected in series, when a pull-rope switch failure occurs, maintenance personnel need to open the pull-rope switches one by one and use a multimeter to check whether they are normal until the problematic switch is found, which consumes a lot of manpower and time, and does not meet the needs of quickly and efficiently handling pull-rope switch failures. Utility Model Content

[0003] The technical problem mainly solved by the utility model is to provide a portable detection device for detecting the action state of the pull-rope switch of a conveyor belt. The device has a small size, light weight and is easy to carry. When the user needs to carry or move the detection device, the user only needs to close the box cover, fasten the fasteners and lift the handle. When the user needs to detect the action state of the pull-rope switch of a conveyor belt in a thermal power plant, the user uses a power cord to draw power from a local signal aggregation box, uses a special connector to obtain all pull-rope switch signals from the local signal aggregation box, selects a mode on a human-machine interface, clicks a detection button, and can observe the action states and fault locations of all pull-rope switches on the interface. The device is easy to operate and has a fault latching function to avoid the situation where a fault is vague and cannot be judged, thereby ensuring the accuracy of detection.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a portable detection device for detecting the operating state of a conveyor belt pull rope switch, comprising: a box body, a detection main body, a human-machine interface, a signal interface, a power supply interface and a heat dissipation port, wherein a box cover is hingedly provided at the top of the rear side of the box body, and locks and fasteners that match each other are provided on the front sides of the box body and the box cover, a handle is provided in the middle of the front side of the box body, and an installation groove is provided inside the box body, and the detection main body is provided in the installation groove, and a laterally distributed panel is fixedly provided above the detection main body in the installation groove, and a human-machine interface is fixedly provided on the panel, and heat dissipation ports are provided on both sides of the human-machine interface, and a signal interface is fixedly provided on the panel below the human-machine interface, and a power supply interface is fixedly provided on one side of the signal interface, and the human-machine interface, the power supply interface, the signal interface and the detection main body are connected by wires.

[0005] In a preferred embodiment of the present utility model, a rectangular sealing groove is formed at the top of the box body, and a sealing strip corresponding to the sealing groove is fixedly arranged on the sealing side of the box cover and the box body.

[0006] In a preferred embodiment of the present utility model, the detection main body includes a bottom mounting plate, a programmable logic controller, a solid-state relay, a switching power supply, a terminal block, a fixing block, a DIN rail and a wire groove. The bottom mounting plate is fixed at the bottom of the mounting groove. The wire groove is arranged in a "day" shape and surrounds the perimeter of the bottom mounting plate and is horizontally arranged at the midline of the upper surface of the bottom mounting plate, forming two mounting areas, including a first mounting area in the upper part and a second mounting area in the lower part. There are two DIN rails, including a first DIN rail and a second DIN rail. The first DIN rail is fixedly arranged on the bottom mounting plate of the first mounting area, and the second DIN rail is fixedly arranged on the bottom mounting plate of the second mounting area. The programmable logic controller and the solid-state relay are arranged on the first DIN rail and are fixed and limited at both ends by fixing blocks. The switching power supply is arranged on one side of the second DIN rail, and the terminal block is arranged on the second DIN rail and is fixed and limited at both ends by fixing blocks.

[0007] In a preferred embodiment of the present utility model, the programmable logic controller is equipped with configuration software and can be edited and controlled. It is equipped with an Ethernet interface and can perform data interaction with the human-machine interface using a data transmission line. The load end of the solid-state relay is connected in series with the signal interface through the terminal block, and the control end is connected in series to the signal input end of the programmable logic controller. The switching power supply obtains power through the power supply interface and converts a level of voltage to the voltage required by the human-machine interface and the programmable logic controller for their operation.

[0008] In a preferred embodiment of the present utility model, the human-machine interface is a touch-operated display screen, and the display screen is equipped with configuration software, and the configuration software edits the display screen.

[0009] In a preferred embodiment of the present utility model, the signal interface is a rectangular connector socket equipped with a protective shell, and signals are interacted with the on-site signal aggregation box using a connector. Both ends of the connector have connection plugs and can be separated and stored from the signal interface.

[0010] In a preferred embodiment of the present utility model, the power supply interface is a three-pin socket, and electrical connection is performed using a matching power cord, and the power cord is separated and stored from the power supply interface.

[0011] The beneficial effects of the utility model are as follows: the portable detection device for detecting the action state of the pull-rope switch of a conveyor belt pointed out by the utility model is small in size, light in weight, and easy to carry. When the user needs to carry and move the detection device, he only needs to close the box cover, fasten the fasteners, and lift the handle; when the user needs to detect the action state of the pull-rope switch of a conveyor belt in a thermal power plant, he uses a power cord to draw power from the local signal summary box, uses a special connector to obtain all pull-rope switch signals from the local signal summary box, selects a mode on the human-machine interface, clicks the detection button, and observes the action states and fault locations of all pull-rope switches on the interface. The operation is simple and the device has a fault latching function to avoid the situation where the fault is vague and cannot be judged, thereby ensuring the accuracy of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0013] Figure 1 It is a stereogram of a preferred embodiment of a portable detection device for detecting the operating state of a conveyor belt pull rope switch of the utility model;

[0014] Figure 2 It is a structural schematic diagram of a panel of a preferred embodiment of a portable detection device for detecting the operating state of a conveyor belt pull rope switch of the utility model;

[0015] Figure 3 It is a structural schematic diagram of a detection body of a preferred embodiment of a portable detection device for detecting the operating state of a conveyor belt pull rope switch of the utility model;

[0016] Figure 4 It is a structural schematic diagram of a connector of a preferred embodiment of a portable detection device for detecting the operating state of a conveyor belt pull rope switch of the utility model;

[0017] Figure 5 The utility model is a circuit connection diagram of a preferred embodiment of a portable detection device for detecting the operating state of a conveyor belt pull rope switch. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1 Combination Figure 2 As shown, the embodiment of the utility model includes:

[0020] A portable detection device for detecting the operating state of a conveyor belt pull rope switch comprises: a box body 1, a detection body 2, a human-machine interface 3, a signal interface 4, a power supply interface 5 and a heat dissipation port 6.

[0021] The top of the rear side of the box body 1 is hinged with a box cover 7 through a hinge 16, which is convenient for turning over the box cover 7. A circular sealing groove 8 is provided on the top of the box body 1, and a sealing strip 9 corresponding to the sealing groove 8 is fixedly provided on the sealing side of the box cover 7 and the box body 1 to achieve the sealing of the box body 1 and the box cover 7, and realize the dust and moisture-proof function. The front sides of the box body 1 and the box cover 7 are provided with mutually adapted locks 10 and fasteners 11 to achieve the fixation of the box cover 7 and the box body 1. A handle 17 is provided in the middle of the front side of the box body 1 for easy lifting. A cushioning foam 18 is provided on the inner side of the box cover 7 to avoid hard collision when storing components.

[0022] The box body 1 is provided with a mounting groove 12 inside to provide a mounting cavity for installing components.

[0023] like Figure 3 As shown, the detection body 2 is arranged in the installation groove 12, including a bottom installation plate 201, a programmable controller 202, a solid-state relay 203, a switching power supply 204, a wiring terminal 205, a fixing block 206, a DIN rail and a wire groove 207.

[0024] The bottom mounting plate 201 is fixed to the bottom of the mounting groove 12 and is used for mounting components.

[0025] The wire trough 207 is arranged in a "sun" shape and is arranged around the periphery of the bottom mounting plate 201 and transversely arranged on the center line of the upper surface of the bottom mounting plate 201, and forms two installation areas, including an upper first installation area 208 and a lower second installation area 209. The wire trough 207 is used to facilitate wiring.

[0026] The DIN rails are provided with two, including a first DIN rail 210 and a second DIN rail 211. The first DIN rail 210 is fixedly provided on the bottom mounting plate 201 of the first mounting area 208, and the second DIN rail 211 is fixedly provided on the bottom mounting plate 201 of the second mounting area 209, to facilitate the sliding installation of components.

[0027] The programmable controller 202 and the solid-state relay 203 are arranged on the first DIN rail 210 and fixed at both ends by fixed blocks 206. The switching power supply 204 is arranged on one side of the second DIN rail 211. The terminal block 205 is arranged on the second DIN rail 211 and fixed at both ends by fixed blocks 206. The use of the fixed block 206 avoids the movement of components.

[0028] The programmable controller 202 is equipped with configuration software, can be edited and controlled, and is equipped with an Ethernet interface. It can interact with the human-machine interface 3 using a data transmission line. The load end of the solid-state relay 203 is connected in series with the signal interface 4 via the wiring terminal 205, and the control end is connected in series to the signal input end of the programmable controller 202. The switching power supply 204 obtains power through the power supply interface 5, converts a voltage level into the voltage required by the human-machine interface 3 and the programmable controller 202 for their working use.

[0029] The mounting groove 12 is fixed with a panel 13 distributed laterally above the detection body 2. The panel 13 is provided with a plurality of fixing holes 19 around it and is fixed to the box body 1 by screws to ensure stable fixation. A human-machine interface 3 is fixedly provided on the panel 13. The human-machine interface 3 is a touch-operated display screen. The display screen is equipped with configuration software, and the configuration software is used to edit the display screen.

[0030] The panel 13 is provided with heat dissipation openings 6 on both sides of the human-machine interface 3 to facilitate heat dissipation.

[0031] The panel 13 is fixedly provided with a signal interface 4 below the human-machine interface 3. The signal interface 4 is a rectangular connector socket equipped with a protective shell, and uses a connector 14 to perform signal interaction with the local signal aggregation box, such as Figure 4 As shown, the two ends of the connector 14 are provided with connecting plugs 1401 which can be stored separately from the signal interface 4 .

[0032] A power supply interface 5 is fixedly provided on one side of the signal interface 4. The human-machine interface 3, the power supply interface 5, the signal interface 4 and the detection body 2 are connected through wires. The power supply interface 5 is a triangle socket and is electrically connected using a matching power cord 15. The power cord 15 is stored separately from the power supply interface 5.

[0033] like Figure 5As shown, during the detection process, the box cover 7 is opened, and the two ends of the power cord 15 are respectively plugged into the power supply interface 5 and the interface on the local signal summary box. At this time, the local signal summary box supplies power to the human-machine interface 3 and the programmable controller 202, and the connecting plugs 1401 at both ends of the connector 14 are respectively plugged into the signal interface 4 and the interface on the local signal summary box. At this time, the signal of the local signal summary box controls the solid-state relay 203 to operate, and then the action signal of the solid-state relay 203 is transmitted to the programmable controller 202 for information processing, and the detection result is displayed on the human-machine interface 3.

[0034] After the detection is completed, unplug the power cord 15 and the connector 14 and close the box cover 7.

[0035] The power cord and connector can be stored in the storage space between the panel and the lid, or can be stored separately.

[0036] The detection body 2 is transferred through the suitcase body 1, so that at the required position, the detection body 2 is directly connected to the local signal aggregation box using the connector 14, so that the operating status of multiple pull-cord switches can be detected at the same time, and the results can be observed through the human-machine interface 3, which helps maintenance personnel to quickly and accurately identify abnormal pull-cord switches and reduce maintenance time.

[0037] To sum up, the utility model points out a portable detection device for detecting the operating state of the pull-cord switch of a conveyor belt, which is small in size, light in weight and easy to carry. When the user needs to carry or move the detection device, he only needs to close the box cover, fasten the fasteners and lift the handle; when the user needs to detect the operating state of the pull-cord switch of a conveyor belt in a thermal power plant, he uses a power cord to draw power from the local signal summary box, uses a special connector to obtain all pull-cord switch signals from the local signal summary box, selects a mode on the human-machine interface, clicks the detection button, and observes the operating states and fault locations of all pull-cord switches on the interface. The operation is simple and has a fault latching function to avoid the situation where the fault is vague and cannot be judged, thereby ensuring the accuracy of the detection.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A portable detection device for detecting the operating state of a conveyor belt pull rope switch, characterized in that: Comprising: A box body, a detection main body, a human-machine interface, a signal interface, a power supply interface, and a heat dissipation port. A box cover is hingedly arranged at the top of the rear side of the box body. A lock and a fastener that are adapted to each other are arranged on the front sides of the box body and the box cover. A handle is arranged in the middle of the front side of the box body. An installation groove is arranged inside the box body. The detection main body is arranged in the installation groove. A horizontally distributed panel is fixedly arranged above the detection main body in the installation groove. The human-machine interface is fixedly arranged on the panel. Heat dissipation ports are arranged on both sides of the human-machine interface on the panel. A signal interface is fixedly arranged below the human-machine interface on the panel. A power supply interface is fixedly arranged on one side of the signal interface. The human-machine interface, the power supply interface, the signal interface, and the detection main body are connected by wires.

2. The portable detection device for detecting the operating state of the conveyor belt pull rope switch according to claim 1 is characterized in that: A rectangular sealing groove is opened at the top of the box body. A sealing strip corresponding to the sealing groove is fixedly arranged on the sealing side of the box cover and the box body.

3. The portable detection device for detecting the operating state of a conveyor belt pull rope switch according to claim 1, characterized in that: The detection main body includes a bottom mounting plate, a programmable controller, a solid-state relay, a switching power supply, a terminal block, a fixing block, a DIN rail, and a wire groove. The bottom mounting plate is fixed at the bottom of the installation groove. The wire groove is arranged in a "day" shape and surrounds the perimeter of the bottom mounting plate and is horizontally arranged at the midline of the upper surface of the bottom mounting plate, forming two installation areas, including the upper first installation area and the lower second installation area. There are two DIN rails, including a first DIN rail and a second DIN rail. The first DIN rail is fixedly arranged on the bottom mounting plate in the first installation area. The second DIN rail is fixedly arranged on the bottom mounting plate in the second installation area. The programmable controller and the solid-state relay are arranged on the first DIN rail and are fixed and limited at both ends by fixing blocks. The switching power supply is arranged on one side of the second DIN rail. The terminal block is arranged on the second DIN rail and is fixed and limited at both ends by fixing blocks.

4. The portable detection device for detecting the operating state of a conveyor belt pull rope switch according to claim 3 is characterized in that: The programmable controller is equipped with configuration software and can be edited and controlled. It is equipped with an Ethernet interface and can perform data interaction with the human-machine interface using a data transmission line. The load end of the solid-state relay is connected in series with the signal interface through the terminal block, and the control end is connected in series to the signal input end of the programmable controller. The switching power supply obtains power through the power supply interface and converts a certain level of voltage to the voltage required by the human-machine interface and the programmable controller for their operation.

5. The portable detection device for detecting the operating state of a conveyor belt pull rope switch according to claim 1, characterized in that: The human-machine interface is a touch-operated display screen. The display screen is equipped with configuration software, and the configuration software edits the display screen.

6. The portable detection device for detecting the operating state of a conveyor belt pull rope switch according to claim 1, characterized in that: The signal interface is a rectangular connector socket equipped with a protective case, and signals are interacted with a local signal aggregation box using a connector. Both ends of the connector have connection plugs and can be separated and stored from the signal interface.

7. The portable detection device for detecting the operating state of a conveyor belt pull rope switch according to claim 1, characterized in that: The power supply interface is a triple-pin socket, and electrical connection is made using a matching power cord. The power cord is separated and stored from the power supply interface.

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