CN219798699U - Gear box health detection and diagnosis device and gear box - Google Patents
Gear box health detection and diagnosis device and gear box Download PDFInfo
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- CN219798699U CN219798699U CN202320627014.0U CN202320627014U CN219798699U CN 219798699 U CN219798699 U CN 219798699U CN 202320627014 U CN202320627014 U CN 202320627014U CN 219798699 U CN219798699 U CN 219798699U
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000003745 diagnosis Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 39
- 230000001012 protector Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 7
- 239000010931 gold Substances 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a gear box health detection and diagnosis device and a gear box. The device comprises: the device comprises a mounting seat, a circuit frame, a switch unit, a communication unit, an acquisition unit and a protection unit; the mounting seat is fixed on one surface in the box body of the gear box; the switch unit and the communication unit are arranged on the mounting seat along the row direction; the acquisition unit is arranged at one side of the switch unit and one side of the communication unit along the column direction; the circuit frame is fixed around the mounting seat; the circuit frame is used for accommodating the cable routing; the protection unit is arranged at the cable inlet of the circuit frame. According to the technical scheme provided by the utility model, the coupling interference between the lines is reduced, and the reliability of monitoring and recording the operation data of the gearbox is improved.
Description
Technical Field
The embodiment of the utility model relates to the technical field of gearboxes, in particular to a gearbox health detection and diagnosis device and a gearbox.
Background
With the development of informatization and the arrival of the age of the Internet of things, the mining and effective management of the full life cycle information of products become the trend of industrial development. The electric cabinet is a key component of the monitoring system, and is used for integrating the electric equipment, so that the whole system can adapt to severe environments and is protected with higher quality due to effective layout and wiring. In the prior art, the circuit connection and the structural layout of the electrical equipment in the gearbox are insufficient, coupling interference exists between the circuits, and the reliability of monitoring and recording the operation data of the gearbox is reduced.
Disclosure of Invention
The utility model provides a gear box health detection and diagnosis device and a gear box, which can reduce coupling interference between lines.
In a first aspect, an embodiment of the present utility model provides a gear box health detection and diagnosis device, including: the device comprises a mounting seat, a circuit frame, a switch unit, a communication unit, an acquisition unit and a protection unit;
the mounting seat is fixed on one surface in the box body of the gear box; the switch unit and the communication unit are arranged on the mounting seat along the row direction; the acquisition unit is arranged at one side of the switch unit and one side of the communication unit along the column direction;
the circuit frame is fixed around the mounting seat; the circuit frame is used for accommodating the cable routing; the switch unit is electrically connected with the communication unit and the acquisition unit respectively;
the communication unit is in communication connection with the acquisition unit; the protection unit is arranged at the cable inlet of the circuit frame; the protection unit is connected between an external power supply and the switch unit.
Optionally, the protection unit includes a surge protector and an electromagnetic compatibility filter;
the surge protector and the electromagnetic compatibility filter are sequentially connected in series between the power supply and the switch unit.
Optionally, the circuit frame is enclosed by the cavity pole and closes the constitution, wherein, cavity pole is inside to be used for holding the cable and walk the line, cavity pole surface is provided with the through-hole, the through-hole is used for through the cable is walked the line, makes the cable walks the line and follows cavity pole inside draws forth.
Optionally, a power cable connected between the power supply and the switch unit adopts a multi-core shielding cable; the shielding layer of the multi-core shielding cable is in annular connection with the metal box body of the gear box.
Optionally, the communication unit and the acquisition unit each include an analog signal interface; the cable of the analog signal connected with the analog signal interface adopts a multi-core shielding cable, and a shielding layer of the multi-core shielding cable is in loop connection with a metal box body of the gear box.
Optionally, the gearbox health detection and diagnosis device further comprises a purplish gold bus bar and a shielding terminal; the Jin Huiliu shielding terminals and the shielding terminals are arranged at the cable inlet of the circuit frame; the ground terminals of the surge protector and the electromagnetic compatibility filter are connected with the gold bus bar or the shield terminal.
Optionally, the switch unit comprises an air switch and an isolated power supply;
the air switch is electrically connected with the power supply, and the air switch is connected with the isolation power supply; the isolation power supply is electrically connected with the communication unit and the acquisition unit respectively.
In a second aspect, an embodiment of the present utility model provides a gearbox, including a gearbox health detection and diagnosis device according to any of the embodiments of the present utility model.
According to the embodiment of the utility model, the switch unit and the communication unit are arranged on the mounting seat in a row, the acquisition unit is arranged on one side of the switch unit and one side of the communication unit in the row direction, the arrangement positions are optimized according to the respective volumes, meanwhile, the protection unit is arranged at the cable inlet of the line frame and is connected in series on a line between the switch unit and the power supply, and the protection unit is used for discharging and filtering high-current energy at the inlet position, so that signal interference on a later stage is reduced.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a surface of a gear box health detection and diagnosis device according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the prior art, the loop length of the electric cabinet power wiring line is long, and when interference exists outside, the interference voltage of delta U exists due to the voltage drop of the wire, so that the wire is driven to emit energy outwards. And the power line directly passes through the isolated power supply, and the isolated power supply is isolated, but because of the existence of parasitic capacitance, interference is coupled to the bottom plate, flows around to influence each module, and the reliability of monitoring and recording the operation data of the gearbox is reduced.
In view of this, fig. 1 is a schematic front view of a surface of a gear box health detection and diagnosis device according to an embodiment of the present utility model, referring to fig. 1, the device includes: mount 110, line frame 120, switch unit 130, communication unit 140, acquisition unit 150, and protection unit 160;
the mounting seat 110 is fixed on one surface of the inner part of the box 170 of the gear box; the switching unit 130 and the communication unit 140 are mounted on the mounting base 110 in the row direction; the acquisition unit 150 is disposed at one side of the switching unit 130 and the communication unit 140 in the column direction;
the wire frame is fixed around the mount 110; the circuit frame is used for accommodating the cable routing; the switch unit 130 is electrically connected with the communication unit 140 and the acquisition unit 150 respectively; the switching unit 130 may supply power to the communication unit 140 and the acquisition unit 150.
The communication unit 140 is in communication connection with the acquisition unit 150; the collection unit 150 is used to collect operation data such as vibration and rotation speed of the gear box, and transmit the operation data to the outside through the communication unit 140, or receive setting data from the outside through the communication unit 140. The protection unit 160 is disposed at the wire frame cable inlet; the protection unit 160 is connected between the external power source and the switching unit 130.
Specifically, the mounting base 110 is used for carrying electrical component devices in the apparatus, where the electrical component devices include a switch unit 130, a communication unit 140, a collection unit 150, and a protection unit 160. Illustratively, the mounting base 110 may be elongated, and the mounting base 110 may be provided with mounting holes, through which the mounting holes may be connected to the inner surface of the case 170. The switch unit 130 and the communication unit 140 are arranged on the mounting seat 110 in a row, the collection unit 150 is arranged on one side of the switch unit 130 and the communication unit 140 in the row direction, the volume of the switch unit 130 and the communication unit 140 is smaller, the volume of the collection unit 150 is larger, and the interior space in the box can be planned better through side-by-side distribution in the row direction. A corresponding wire frame 120 may be disposed around the mount 110. Illustratively, the wire frame 120 may be enclosed with a hollow rod, so that the hollow rod may be used to house cables therein. To increase flexibility in cable input-output arrangements, for example, through holes may be provided in the surface of the hollow rod for introducing or extracting cables.
The line frame cable entry 180 is an entry to which a power line is connected, and in the drawing, the line frame cable entry 180 is exemplarily disposed at a lower right corner position in the drawing, the protection unit 160 is disposed near the line frame cable entry 180 and close to a side plate of the box, the protection unit 160 is connected in series between cables of the external power supply access switch unit 130, and the protection unit 160 discharges and filters high-current energy at the entry position, thereby reducing signal interference to a rear stage.
According to the embodiment of the utility model, the switch unit and the communication unit are arranged on the mounting seat in a row, the acquisition unit is arranged on one side of the switch unit and one side of the communication unit in the row direction, the arrangement positions are optimized according to the respective volumes, meanwhile, the protection unit is arranged at the cable inlet of the circuit frame and is connected in series on a circuit between the switch unit and the power supply, and the protection unit is used for discharging and filtering high-current energy at the inlet position, so that signal interference on a later stage is reduced.
Optionally, the protection unit 160 includes a surge protector and an electromagnetic compatibility filter;
a surge protector and an electromagnetic compatibility filter are sequentially connected in series between the power supply and the switching unit 130.
Specifically, when the gearbox health detection and diagnosis device works, the power cable is connected with the surge suppressor from the cable inlet 180 of the circuit frame, high-energy interference is discharged and refluxed at the inlet, then the electromagnetic compatibility filter (EMC filter) is connected, the principle of impedance mismatch of the electromagnetic compatibility filter is utilized for reflection, and the rest of energy is reflected back to the source end, so that signal interference to the later stage is reduced. Similarly, the board card inlet connector of the acquisition unit 150 adopts aviation plug with electromagnetic compatibility filter, and the internal of the acquisition unit 150 also eliminates the interference of common mode and differential mode from the self-contained power supply.
Optionally, the circuit frame 120 is formed by enclosing a hollow rod, wherein the hollow rod is used for accommodating the cable routing, and the surface of the hollow rod is provided with a through hole for leading the cable routing out of the hollow rod through the cable routing.
Specifically, the hollow rod is made of metal materials, so that when the cable is arranged in the hollow rod, the hollow rod is equivalent to a shielding box, and interference signals caused by pressure drop of the wire are shielded. The installation of the wire frame 120 can be adjusted adaptively according to the position of the electrical equipment in the box, and the wire harness can be stored.
Optionally, a multi-core shielding cable is used as the power cable connected between the power source and the switch unit 130; wherein, the shielding layer of multicore shielding cable and the metal box of gear box ring connect.
Specifically, the power cable can adopt a multi-core shielding cable, and an exemplary 2-core shielding cable can be adopted, and the shielding layer of the cable can be in good contact with the metal part of the box body through 360-degree loop connection, so that the anti-interference capability is further improved.
Optionally, the communication unit 140 and the acquisition unit 150 each include an analog signal interface 210; the cable of the analog signal connected with the analog signal interface 210 adopts a multi-core shielding cable, and a shielding layer of the multi-core shielding cable is looped with a metal box body of the gear box.
Specifically, the cable of the analog signal adopts the multicore shielding cable as well, and the multicore shielding cable is in good contact with the 360-degree loop connection of the metal part of the box body, so that the anti-interference capability of the cable of the analog signal is further improved. Illustratively, the antenna feeder interface of the communication unit 140 is led out from the box, and the antenna is disposed outside the box, and since the box is metal-shielded, various cables also have shielding effects, thus reducing the interference of the radio frequency of the antenna to the inside.
Optionally, the gearbox health detection and diagnosis device further comprises a purplish gold bus bar and a shielding terminal; jin Huiliu and shield terminals are provided at the line frame cable entry 180; the ground terminals of the surge protector and the electromagnetic compatibility filter are connected to the gold bus bar or the shield terminal.
Specifically, the purplish gold bus bar and the shielding terminal are both arranged at the cable inlet 180 of the circuit frame, the grounding end of the surge protector and the electromagnetic compatibility filter are well connected with the metal part of the box body, and the impedance is close to zero, so that the purpose that interference energy is discharged through the box body is achieved.
Optionally, the switch unit 130 includes a blank switch 131 and an isolated power supply 132; the air switch 131 is electrically connected with a power supply, and the air switch 131 is connected with an isolation power supply 132; the isolated power source 132 is electrically connected to the communication unit 140 and the acquisition unit 150, respectively.
Specifically, when the internal power supply has a fault risk, the isolation power supply isolation circuit is utilized to avoid the risk of the external environment. In the actual use environment, the external power cable is overlong, the industrial field environment is complex, the introduced common mode interference is large, and the common mode interference can be effectively reduced by using the isolation power supply.
The embodiment also provides a gear box, which comprises the gear box health detection and diagnosis device, and the reliability of monitoring and recording the operation data of the gear box is provided by utilizing the layout and the shielding effect of cables when the external power cable is overlong and the industrial field environment is complex, and reducing the coupling interference between lines.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. A gearbox health detection and diagnosis device, comprising: the device comprises a mounting seat, a circuit frame, a switch unit, a communication unit, an acquisition unit and a protection unit;
the mounting seat is fixed on one surface in the box body of the gear box; the switch unit and the communication unit are arranged on the mounting seat along the row direction; the acquisition unit is arranged at one side of the switch unit and one side of the communication unit along the column direction;
the circuit frame is fixed around the mounting seat; the circuit frame is used for accommodating the cable routing; the switch unit is electrically connected with the communication unit and the acquisition unit respectively;
the communication unit is in communication connection with the acquisition unit; the protection unit is arranged at the cable inlet of the circuit frame; the protection unit is connected between an external power supply and the switch unit.
2. The gearbox health detection diagnostic device of claim 1, wherein the protection unit comprises a surge protector and an electromagnetic compatibility filter;
the surge protector and the electromagnetic compatibility filter are sequentially connected in series between the power supply and the switch unit.
3. The gearbox health detection and diagnosis apparatus according to claim 1, wherein the line frame is enclosed by a hollow rod, wherein the hollow rod is internally provided for accommodating a cable run, and a through hole is provided on a surface of the hollow rod, the through hole being for leading the cable run out of the hollow rod internally through the cable run.
4. The gear box health detection and diagnosis apparatus according to claim 2, wherein a power cable connected between the power source and the switching unit adopts a multicore shielded cable; the shielding layer of the multi-core shielding cable is in annular connection with the metal box body of the gear box.
5. The gearbox health detection diagnostic device of claim 1, wherein the communication unit and the acquisition unit each comprise an analog signal interface; the cable of the analog signal connected with the analog signal interface adopts a multi-core shielding cable, and a shielding layer of the multi-core shielding cable is in loop connection with a metal box body of the gear box.
6. The gearbox health detection diagnostic device of claim 2, further comprising a purplish gold bus bar and a shield terminal; the Jin Huiliu shielding terminals and the shielding terminals are arranged at the cable inlet of the circuit frame; the ground terminals of the surge protector and the electromagnetic compatibility filter are connected with the gold bus bar or the shield terminal.
7. The gearbox health detection diagnostic device of claim 1, wherein the switching unit comprises an air-break switch and an isolated power supply;
the air switch is electrically connected with the power supply, and the air switch is connected with the isolation power supply; the isolation power supply is electrically connected with the communication unit and the acquisition unit respectively.
8. A gearbox comprising a gearbox health detection and diagnosis device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320627014.0U CN219798699U (en) | 2023-03-27 | 2023-03-27 | Gear box health detection and diagnosis device and gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320627014.0U CN219798699U (en) | 2023-03-27 | 2023-03-27 | Gear box health detection and diagnosis device and gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219798699U true CN219798699U (en) | 2023-10-03 |
Family
ID=88187659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320627014.0U Active CN219798699U (en) | 2023-03-27 | 2023-03-27 | Gear box health detection and diagnosis device and gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219798699U (en) |
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2023
- 2023-03-27 CN CN202320627014.0U patent/CN219798699U/en active Active
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