Online monitoring system and device for mechanical characteristics of circuit breaker

Abstract

The invention relates to the technical field of power monitoring, in particular to a circuit breaker mechanical characteristic online monitoring system and device.The circuit breaker mechanical characteristic online monitoring device comprises a mechanical characteristic monitoring device body and a working assembly, and the working assembly comprises a mounting plate, a connecting mechanism, a fixed base, a detection mechanism and a plurality of mounting structures; during use, the mounting plate is placed at a proper fixing position, the transverse adjusting piece is operated according to a fixed corresponding hole position to adjust the position of the assembly seat on the connecting block, and after the assembly seat is adjusted to the proper position, the locking screw is twisted to be in threaded connection with the corresponding hole position, so that the whole device can be fixed; therefore, the problem that when an existing circuit breaker mechanical characteristic on-line monitoring device monitors a circuit and various performances of a circuit breaker, due to the fact that a mounting plate is directly placed on the ground and is not fixed, connection between the mounting plate and the circuit breaker is loosened, and the monitoring effect is affected is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of power monitoring, and in particular to an online monitoring system and device for mechanical characteristics of a circuit breaker. Background Art

[0002] High-voltage circuit breakers can not only cut off or close the no-load current and load current in the high-voltage circuit, but also act as a protective device when a system failure occurs, cutting off overload current and short-circuit current. Failure or aging of high-voltage circuit breakers cannot be discovered in time, so they need to be monitored online.

[0003] The prior art (CN217181143U) has an online monitoring device for mechanical characteristics of a circuit breaker, comprising a mechanical characteristics monitoring device body and a mounting plate, a fixing seat being provided on one side of the mechanical characteristics monitoring device body, a lower shell being provided on the fixing seat, one end of the lower shell being hinged to an upper shell by a hinge, the lower shell being connected to an end of the upper shell away from the hinge by a fixing mechanism, current sensors being provided inside the lower shell and the upper shell, a connecting mechanism being provided on the mounting plate, the mechanical characteristics monitoring device body and the current sensor being electrically connected by the connecting mechanism, and the mutual cooperation of the above-mentioned mechanisms facilitates installation and disassembly.

[0004] However, when the circuit and various performances of the circuit breaker are monitored in the above manner, since the mounting plate is directly placed on the ground without being fixed, the connection with the circuit breaker may become loose, affecting the monitoring effect. Summary of the invention

[0005] The object of the present invention is to provide a system and device for online monitoring of mechanical characteristics of a circuit breaker, aiming to solve the problem that in the existing online monitoring device for mechanical characteristics of a circuit breaker, when monitoring the circuit and various performances of the circuit breaker, since the mounting plate is directly placed on the ground without being fixed, the connection with the circuit breaker becomes loose, affecting the monitoring effect.

[0006] To achieve the above-mentioned object, in a first aspect, the present invention provides an online monitoring device for mechanical characteristics of a circuit breaker, comprising a mechanical characteristics monitoring device body and a working component.

[0007] The working assembly includes a mounting plate, a connecting mechanism, a fixed base, a detection mechanism and a plurality of mounting structures;

[0008] The mounting plate is fixedly connected to the main body of the mechanical characteristics monitoring device and is located on one side of the main body of the mechanical characteristics monitoring device; the connecting mechanism is arranged on one side of the main body of the mechanical characteristics monitoring device; the fixed base is fixedly connected to the mounting plate, electrically connected to the connecting mechanism, and is located on one side of the mounting plate; the detection mechanism is arranged on one side of the fixed base; a plurality of mounting structures are respectively located on one side of the mounting plate; the mounting structure includes a transverse adjustment member, a connecting block, an assembly seat and a locking screw, and the transverse adjustment member is arranged on one side of the mounting plate; the connecting block is fixedly connected to the transverse adjustment member and is located on one side of the transverse adjustment member; the assembly seat is fixedly connected to the connecting block and is located on one side of the connecting block; the locking screw is threadedly connected to the assembly seat and is located on one side of the assembly seat.

[0009] Among them, the connecting mechanism includes a connecting wire and an insulating plate, the connecting wire is electrically connected to the main body of the mechanical characteristics monitoring device, and is electrically connected to the fixed base, and is located on one side of the main body of the mechanical characteristics monitoring device; the insulating plate is fixedly connected to the mounting plate and is located on one side of the connecting wire.

[0010] Wherein, the detection mechanism includes a lower fixed shell, a hinge, an upper fixed shell, two current sensors, a plug-in block and a fastener, the lower fixed shell is fixedly connected to the fixed base and is located on one side of the fixed base; the hinge is fixedly connected to the lower fixed shell and is located on one side of the lower fixed shell; the upper fixed shell is rotatably connected to the hinge and is located on one side of the hinge; the two current sensors are respectively arranged on one side of the lower fixed shell and the upper fixed shell; the plug-in block is fixedly connected to the upper fixed shell and is located on one side of the upper fixed shell; the fastener is arranged on one side of the lower fixed shell.

[0011] Wherein, the fastener comprises an assembly frame and a locking screw, wherein the assembly frame is fixedly connected to the lower fixed shell and is located at one side of the lower fixed shell; the locking screw is threadedly connected to the assembly frame and is located at one side of the assembly frame.

[0012] Wherein, the working component also includes a negative pressure adsorption component, and the negative pressure adsorption component is arranged on one side of the mounting plate.

[0013] Among them, the negative pressure adsorption component includes an assembly plate and a plurality of negative pressure suction cups, the assembly plate is fixedly connected to the mounting plate and is located on one side of the mounting plate; the plurality of negative pressure suction cups are respectively fixedly connected to the assembly plate and are respectively located on one side of the assembly plate.

[0014] In a second aspect, the present invention further provides an online monitoring system for mechanical characteristics of a circuit breaker, comprising an online monitoring device for mechanical characteristics of a circuit breaker, a data acquisition module, a data processing module and a data sending module, wherein the data acquisition module is connected to the main body of the mechanical characteristics monitoring device; the data processing module is connected to the data acquisition module; the data sending module is connected to the data processing module;

[0015] The data acquisition module is used to collect the current information of the circuit breaker and the detection information of the circuit breaker measured by the main body of the mechanical characteristic monitoring device;

[0016] The data processing module is used to calculate and obtain mechanical information based on the current information and detection information collected by the data acquisition module, and process the mechanical information;

[0017] The data sending module is used to send the mechanical information processed by the data processing module to the background monitoring station through a wireless signal to determine whether a fault occurs.

[0018] The present invention provides an online monitoring device for mechanical characteristics of a circuit breaker. When in use, the mounting plate is placed at a suitable fixed position, and the lateral adjustment member is operated to adjust the position of the assembly seat on the connecting block according to the fixed corresponding hole position. After adjusting to a suitable position, the locking screw is twisted to threadably connect with the corresponding hole position to complete the fixation of the entire device. Then, the detection mechanism is used to connect the device to the circuit breaker, and the connection mechanism is used to transmit current data to the main body of the mechanical characteristics monitoring device to perform online monitoring of the opening current, opening voltage, closing current, closing voltage, opening times and closing times. This solves the problem of the existing online monitoring device for mechanical characteristics of circuit breakers. When monitoring the circuit and various performances of the circuit breaker, the mounting plate is directly placed on the ground without being fixed, so that the connection with the circuit breaker becomes loose and affects the monitoring effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0020] Figure 1 It is a schematic diagram of the overall structure of a first embodiment of an online monitoring device for mechanical characteristics of a circuit breaker of the present invention.

[0021] Figure 2 It is an overall front view of a first embodiment of an online monitoring device for mechanical characteristics of a circuit breaker according to the present invention.

[0022] Figure 3 It is a cross-sectional view of a horizontal line adjusting member of a first embodiment of an online monitoring device for mechanical characteristics of a circuit breaker of the present invention.

[0023] Figure 4 It is a schematic diagram of the overall structure of a second embodiment of an online monitoring device for mechanical characteristics of a circuit breaker of the present invention.

[0024] Figure 5 It is an overall front view of a second embodiment of an online monitoring device for mechanical characteristics of a circuit breaker according to the present invention.

[0025] Figure 6 It is a structural schematic diagram of a circuit breaker mechanical characteristic online monitoring system of the present invention.

[0026] 101-mechanical characteristic monitoring device body, 102-mounting plate, 103-connecting mechanism, 104-fixed base, 105-detection mechanism, 106-mounting structure, 107-lateral adjustment member, 108-connecting block, 109-assembly seat, 110-locking screw, 111-connecting wire, 112-insulating plate, 113-lower fixed shell, 114-hinge, 115-upper fixed shell, 116-current sensor, 117-plug block, 11 8-fastener, 119-assembly frame, 120-locking screw, 121-lateral adjustment frame, 122-screw, 123-knob, 124-slider, 125-guide attachment, 126-guide rail, 127-guide block, 201-negative pressure adsorption part, 202-assembly plate, 203-negative pressure suction cup, 301-circuit breaker mechanical characteristics online monitoring device, 302-data acquisition module, 303-data processing module, 304-data sending module. DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0028] In a first aspect, the present invention provides an online monitoring device for mechanical characteristics of a circuit breaker. A first embodiment of an online monitoring device for mechanical characteristics of a circuit breaker of the present application is:

[0029] See also Figure 1-Figure 3 ,in, Figure 1 is a schematic diagram of the overall structure of a first embodiment of an online monitoring device for mechanical characteristics of a circuit breaker according to the present invention, Figure 2 is an overall front view of a first embodiment of an online monitoring device for mechanical characteristics of a circuit breaker of the present invention, Figure 3 It is a cross-sectional view of a horizontal line adjusting member of a first embodiment of an online monitoring device for mechanical characteristics of a circuit breaker of the present invention.

[0030] An online monitoring device for mechanical characteristics of a circuit breaker of the present invention comprises a mechanical characteristics monitoring device body 101 and a working assembly, wherein the working assembly comprises a mounting plate 102, a connecting mechanism 103, a fixing base 104, a detection mechanism 105 and a plurality of mounting structures 106, wherein the mounting structure 106 comprises a lateral adjustment member 107, a connecting block 108, an assembly seat 109 and a locking screw 110, wherein the connecting mechanism 103 comprises a connecting wire 111 and an insulating plate 112, wherein the detection mechanism 105 comprises a lower fixing shell 113, a hinge 114, an upper fixing shell 115, two current sensors 116, a plug The connecting block 117 and the fastener 118, the fastener 118 includes an assembly frame 119 and a locking screw 120, the lateral adjustment member 107 includes a lateral adjustment frame 121, a screw rod 122, a knob 123, a slider 124 and a guide accessory 125, and the guide accessory 125 includes a guide rail 126 and a guide block 127. The above-mentioned solution solves the problem that when the circuit and various performances of the circuit breaker are monitored, the mounting plate 102 is directly placed on the ground without being fixed, so the connection with the circuit breaker becomes loose and affects the monitoring effect.

[0031] According to this specific implementation, the mechanical property monitoring device body 101 performs online monitoring of the opening current, the opening voltage, the closing current, the closing voltage, the opening times and the closing times.

[0032] Among them, the mounting plate 102 is fixedly connected to the main body 101 of the mechanical characteristic monitoring device and is located on one side of the main body 101 of the mechanical characteristic monitoring device; the connecting mechanism 103 is arranged on one side of the main body 101 of the mechanical characteristic monitoring device; the fixed base 104 is fixedly connected to the mounting plate 102, and is electrically connected to the connecting mechanism 103, and is located on one side of the mounting plate 102; the detection mechanism 105 is arranged on one side of the fixed base 104; a plurality of mounting structures 106 are respectively located on one side of the mounting plate 102; the lateral adjustment member 107 is arranged on one side of the mounting plate 102; the connecting block 108 is fixedly connected to the lateral adjustment member 107 and is located on one side of the lateral adjustment member 107; the assembly seat 109 is fixedly connected to the connecting block 108 and is located on one side of the connecting block 108; the locking screw 110 is threadedly connected to the assembly seat 109 and is located On one side of the assembly seat 109, when in use, the mounting plate 102 is placed at a suitable fixed position, and the lateral adjustment member 107 is operated according to the corresponding fixed hole position to adjust the position of the assembly seat 109 on the connecting block 108. After adjusting to the appropriate position, the locking screw 110 is twisted to be threadedly connected with the corresponding hole position to complete the fixation of the entire device, and then connected to the circuit breaker through the detection mechanism 105, and the current data is transmitted to the mechanical characteristic monitoring device body 101 in conjunction with the connecting mechanism 103 to perform online monitoring of the opening current, opening voltage, closing current, closing voltage, opening times and closing times of the mechanical characteristic monitoring device, thereby solving the problem of the existing online monitoring device of mechanical characteristics of the circuit breaker. When monitoring the circuit and various performances of the circuit breaker, since the mounting plate 102 is directly placed on the ground without being fixed, the connection with the circuit breaker will become loose, affecting the monitoring effect.

[0033] Secondly, the connecting wire 111 is electrically connected to the mechanical characteristics monitoring device body 101, and is electrically connected to the fixed base 104, and is located on one side of the mechanical characteristics monitoring device body 101; the insulating plate 112 is fixedly connected to the mounting plate 102, and is located on one side of the connecting wire 111, and the connecting wire 111 cooperates with the insulating plate 112 to transmit the circuit breaker mechanical characteristics data detected by the detection mechanism 105 on the fixed base 104.

[0034] Again, the lower fixed shell 113 is fixedly connected to the fixed base 104 and is located on one side of the fixed base 104; the hinge 114 is fixedly connected to the lower fixed shell 113 and is located on one side of the lower fixed shell 113; the upper fixed shell 115 is rotatably connected to the hinge 114 and is located on one side of the hinge 114; the two current sensors 116 are respectively arranged on one side of the lower fixed shell 113 and the upper fixed shell 115; the plug-in block 117 is fixedly connected to the upper fixed shell 115 and is located on the The upper fixed shell 115 is on one side; the fastener 118 is arranged on one side of the lower fixed shell 113, and the upper fixed shell 115 is rotated under the action of the hinge 114, so that the upper fixed shell 115 and the lower fixed shell 113 are closed, and the plug-in block 117 is inserted into the fastener 118, and the plug-in block 117 is fixed by the fastener 118, so that the two current sensors 116 are the same, and are connected to the circuit breaker through the two current sensors 116 to detect the mechanical characteristic data of the circuit breaker.

[0035] In addition, the assembly frame 119 is fixedly connected to the lower fixed shell 113 and is located on one side of the lower fixed shell 113; the locking screw 120 is threadedly connected to the assembly frame 119 and is located on one side of the assembly frame 119; the knob 123 is fixedly connected to the locking screw 120 and is located on one side of the locking screw 120. When the plug-in block 117 is inserted into the assembly frame 119, the locking screw 120 is twisted to be threadedly connected to the plug-in block 117, thereby completing the fixation of the plug-in block 117.

[0036] Furthermore, the lateral adjustment member 107 includes a lateral adjustment frame 121, a screw rod 122, a knob 123, a slider 124 and a guide attachment 125. The lateral adjustment frame 121 is fixedly connected to the mounting plate 102 and is located on one side of the mounting plate 102; the screw rod 122 is rotatably connected to the lateral adjustment frame 121 and is located on one side of the lateral adjustment frame 121; the knob 123 is fixedly connected to the screw rod 122 and is located on one side of the screw rod 122; the slider 124 is threadedly connected to the screw rod 122 and is connected to the connecting block 108 is fixedly connected and located on one side of the screw rod 122; the guide accessory 125 is arranged between the horizontal line adjustment frame and the slider 124. When the mounting plate 102 is placed in a suitable position, the knob 123 is twisted according to the fixed corresponding hole position to rotate the screw rod 122. The rotation of the screw rod 122 drives the slider 124 to slide in the horizontal adjustment frame 121 in cooperation with the guide accessory 125. The slider 124 slides to adjust the movement position of the assembly seat 109 on the connecting block 108 to align with the corresponding hole position.

[0037] Finally, the guide accessory 125 includes a guide rail 126 and a guide block 127. The guide rail 126 is fixedly connected to the lateral adjustment frame 121 and is located on one side of the horizontal adjustment frame; the guide block 127 is slidably connected to the guide rail 126 and is fixedly connected to the slider 124 and is located on one side of the guide rail 126. The guide rail 126 is used to support the sliding of the guide block 127, and the guide block 127 is used to limit the position of the slider 124 moving in the lateral adjustment frame 121.

[0038] When using the circuit breaker mechanical characteristic online monitoring device described in the present invention, the mounting plate 102 is placed at a suitable fixed position during use. After the mounting plate 102 is placed at a suitable position, the knob 123 is twisted according to the fixed corresponding hole position to rotate the screw rod 122. The rotation of the screw rod 122 drives the slider 124 to slide in the lateral adjustment frame 121 in cooperation with the guide attachment 125. The slider 124 slides to adjust the movement position of the assembly seat 109 on the connecting block 108 to align with the corresponding hole position. Then, the locking screw 110 is twisted to threadably connect with the corresponding hole position to complete the fixation of the entire device. The upper fixed shell 115 is turned to rotate under the action of the hinge 114, so that the upper fixed shell 115 and the The lower fixed shell 113 is closed, and the plug-in block 117 is inserted into the fastener 118, and the plug-in block 117 is fixed by the fastener 118, so that the two current sensors 116 are the same, and are connected to the circuit breaker through the two current sensors 116 to detect the mechanical characteristic data of the circuit breaker, and the current data is transmitted to the mechanical characteristic monitoring device body 101 in conjunction with the connecting wire 111 to perform online monitoring of the opening current, opening voltage, closing current, closing voltage, opening times and closing times of the circuit breaker, thereby solving the problem of the existing online monitoring device for mechanical characteristics of the circuit breaker. When monitoring the circuit and various performances of the circuit breaker, since the mounting plate 102 is directly placed on the ground without being fixed, the connection with the circuit breaker will become loose, affecting the monitoring effect.

[0039] A second embodiment of a circuit breaker mechanical characteristic online monitoring device of the present application is:

[0040] See also Figure 4-Figure 5 ,in, Figure 4 1 is a schematic diagram of the overall structure of a second embodiment of an online monitoring system and device for mechanical characteristics of a circuit breaker according to the present invention. Figure 5 It is an overall front view of a second embodiment of a circuit breaker mechanical characteristic online monitoring system and device of the present invention.

[0041] On the basis of the first embodiment, the present invention provides a circuit breaker mechanical characteristic online monitoring system and device, wherein the working component further includes a negative pressure adsorption component 201 , and the negative pressure adsorption component 201 includes an assembly plate 202 and a plurality of negative pressure suction cups 203 .

[0042] The negative pressure adsorption component 201 is arranged on one side of the mounting plate 102. The negative pressure adsorption component 201 is used for adsorption by negative pressure when the mounting plate 102 is placed, so as to help increase the assembly stability of the overall device.

[0043] Secondly, the assembly plate 202 is fixedly connected to the mounting plate 102 and is located on one side of the mounting plate 102; the multiple negative pressure suction cups 203 are respectively fixedly connected to the assembly plate 202 and are respectively located on one side of the assembly plate 202. The assembly plate 202 is used to support the multiple negative pressure suction cups 203 for assembly. The multiple negative pressure suction cups 203 assist in increasing the assembly stability of the overall device through negative pressure adsorption.

[0044] In the on-line monitoring device for mechanical characteristics of a circuit breaker described in this embodiment, the assembly plate 202 is used to support the multiple negative pressure suction cups 203 for assembly. The multiple negative pressure suction cups 203 assist in increasing the assembly stability of the overall device through negative pressure adsorption.

[0045] In a second aspect, the present invention also provides an online monitoring system for mechanical characteristics of a circuit breaker, see Figure 6 ,in, Figure 6 3 is a structural diagram of an online monitoring system for mechanical characteristics of a circuit breaker of the present invention, the online monitoring system for mechanical characteristics of a circuit breaker comprises an online monitoring device for mechanical characteristics of a circuit breaker, a data acquisition module 302, a data processing module 303 and a data sending module 304, the data acquisition module 302 is connected to the main body 101 of the mechanical characteristics monitoring device; the data processing module 303 is connected to the data acquisition module 302; the data sending module 304 is connected to the data processing module 303;

[0046] The data acquisition module 302 is used to collect the current information of the circuit breaker and the detection information of the circuit breaker measured by the mechanical characteristic monitoring device body 101;

[0047] The data processing module 303 is used to calculate and obtain mechanical information based on the current information and detection information collected by the data collection module 302 and process the mechanical information;

[0048] The data sending module 304 is used to send the mechanical information processed by the data processing module 303 to the background monitoring station through a wireless signal to determine whether a fault occurs.

[0049] In this embodiment, the data acquisition module 302 receives the current information of the closing coil of the circuit breaker and the current information of the opening coil of the circuit breaker measured by the mechanical characteristic monitoring device body 101, and is used to collect the detection information of the circuit breaker, and sends the current information of the closing coil of the circuit breaker, the current information of the opening coil and the detection information to the data processing module 303. The data processing module 303 is used to calculate the mechanical information of the circuit breaker based on the current information and the detection information. The data sending module 304 transmits the calculated mechanical information of the circuit breaker to the background monitoring station based on, for example, 5G, 4G and wifi signals, so as to determine whether a fault occurs.

[0050] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A circuit breaker mechanical characteristic online monitoring device, comprising a mechanical characteristic monitoring device body, characterized in that: Also includes working components, The working assembly includes a mounting plate, a connecting mechanism, a fixed base, a detection mechanism and a plurality of mounting structures; The mounting plate is fixedly connected to the main body of the mechanical characteristics monitoring device and is located on one side of the main body of the mechanical characteristics monitoring device; the connecting mechanism is arranged on one side of the main body of the mechanical characteristics monitoring device; the fixed base is fixedly connected to the mounting plate, electrically connected to the connecting mechanism, and is located on one side of the mounting plate; the detection mechanism is arranged on one side of the fixed base; a plurality of mounting structures are respectively located on one side of the mounting plate; the mounting structure includes a transverse adjustment member, a connecting block, an assembly seat and a locking screw, and the transverse adjustment member is arranged on one side of the mounting plate; the connecting block is fixedly connected to the transverse adjustment member and is located on one side of the transverse adjustment member; the assembly seat is fixedly connected to the connecting block and is located on one side of the connecting block; the locking screw is threadedly connected to the assembly seat and is located on one side of the assembly seat.

2. The circuit breaker mechanical characteristic online monitoring device according to claim 1, characterized in that: The connecting mechanism includes a connecting wire and an insulating plate. The connecting wire is electrically connected to the main body of the mechanical characteristics monitoring device and to the fixed base, and is located on one side of the main body of the mechanical characteristics monitoring device; the insulating plate is fixedly connected to the mounting plate and is located on one side of the connecting wire.

3. A circuit breaker mechanical characteristic online monitoring device as claimed in claim 2, characterized in that: The detection mechanism includes a lower fixed shell, a hinge, an upper fixed shell, two current sensors, a plug-in block and a fastener, wherein the lower fixed shell is fixedly connected to the fixed base and is located on one side of the fixed base; the hinge is fixedly connected to the lower fixed shell and is located on one side of the lower fixed shell; the upper fixed shell is rotatably connected to the hinge and is located on one side of the hinge; the two current sensors are respectively arranged on one side of the lower fixed shell and the upper fixed shell; the plug-in block is fixedly connected to the upper fixed shell and is located on one side of the upper fixed shell; the fastener is arranged on one side of the lower fixed shell.

4. A circuit breaker mechanical characteristic online monitoring device as claimed in claim 3, characterized in that: The fastener comprises an assembly frame and a locking screw. The assembly frame is fixedly connected to the lower fixed shell and is located at one side of the lower fixed shell; the locking screw is threadedly connected to the assembly frame and is located at one side of the assembly frame.

5. The circuit breaker mechanical characteristic online monitoring device according to claim 1, characterized in that: The working assembly further comprises a negative pressure adsorption component, and the negative pressure adsorption component is arranged on one side of the mounting plate.

6. A circuit breaker mechanical characteristic online monitoring device as claimed in claim 5, characterized in that: The negative pressure adsorption component includes an assembly plate and a plurality of negative pressure suction cups. The assembly plate is fixedly connected to the mounting plate and is located on one side of the mounting plate; the plurality of negative pressure suction cups are respectively fixedly connected to the assembly plate and are respectively located on one side of the assembly plate.

7. A circuit breaker mechanical characteristic online monitoring system, comprising a circuit breaker mechanical characteristic online monitoring device according to any one of claims 1 to 6, characterized in that: It also includes a data acquisition module, a data processing module and a data sending module, wherein the data acquisition module is connected to the main body of the mechanical property monitoring device; the data processing module is connected to the data acquisition module; and the data sending module is connected to the data processing module; The data acquisition module is used to collect the current information of the circuit breaker and the detection information of the circuit breaker measured by the main body of the mechanical characteristic monitoring device; The data processing module is used to calculate and obtain mechanical information based on the current information and detection information collected by the data acquisition module, and process the mechanical information; The data sending module is used to send the mechanical information processed by the data processing module to the background monitoring station through a wireless signal to determine whether a fault occurs.

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