CN203376455U - On-line fault diagnosis device of coal cutter traction motor - Google Patents
On-line fault diagnosis device of coal cutter traction motor Download PDFInfo
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- CN203376455U CN203376455U CN201320471912.8U CN201320471912U CN203376455U CN 203376455 U CN203376455 U CN 203376455U CN 201320471912 U CN201320471912 U CN 201320471912U CN 203376455 U CN203376455 U CN 203376455U
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Abstract
The utility model discloses an on-line fault diagnosis device of a coal cutter traction motor. The device comprises a current signal acquisition module, a voltage signal acquisition module, a DSP signal processing module and three independent anti-interference type shock absorption boxes. The current signal acquisition module is used for collecting current signals of the traction motor. The voltage signal acquisition module is used for collecting voltage signals of the traction motor. The DSP signal processing module is used for processing the received signals and transmitting a processing result to a coal-cutter electric control system. The current signal acquisition module, the voltage signal acquisition module and the DSP signal processing module are arranged in the corresponding anti-interference type shock absorption boxes respectively so as to reduce an electromagnetic radiation interference and an vibration environment influence during operation of the coal cutter. By using the on-line fault diagnosis device of the coal cutter traction motor of the utility model, reliability and detection efficiency of the fault diagnosis are increased.
Description
Technical field
The utility model belongs to the fault diagnosis of coal mine machinery technical field, relates to a kind of trouble-shooter, relates in particular to a kind of traction motor for coal mining machine on-line fault diagnosis device.
Background technology
Traction electric machine is as the main executive component of coalcutter walking operation; position in core in each assembly of coalcutter; once go wrong, will directly cause coalcutter to be shut down; if now coal machine mechanical brake device action not in time; very likely make the coal machine glide; security incident occurs, and affects the coal-face production and safety and produces.
In recent years, the researcher has carried out large quantity research for the inline diagnosis of universal asynchronous electrical fault both at home and abroad, and online fault detection method and the product of the asynchronous machine based on different principle appearred in succession, but not yet there are so far research institution or producer to be studied for the asynchronous machine On-line Fault Detection under this special operation condition of shearer hauled-part, also do not have the corresponding on-line measuring device for traction motor for coal mining machine to occur.
In view of this, nowadays in the urgent need to designing a kind of new on-line fault diagnosis device, to overcome the defect of existing fault diagnosis mode.
The utility model content
Technical problem to be solved in the utility model is: a kind of traction motor for coal mining machine on-line fault diagnosis device is provided, can improves reliability and the detection efficiency of fault diagnosis.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of traction motor for coal mining machine on-line fault diagnosis device, described diagnostic device comprises:
-current signal collection module, comprise current signal collecting unit and some current sensors be connected with this current signal collecting unit, for gathering the current signal of traction electric machine;
-voltage signal acquisition module, comprise voltage signal acquisition unit and some voltage sensors be connected with this voltage signal acquisition unit, for gathering the voltage signal of traction electric machine;
-DSP signal processing module, connect current signal collection module and voltage signal acquisition module, for the signal to receiving, processes and result is transferred to Electric Control System of Coal Cutter;
-tri-anti-interference type damping boxes independently, described current signal collecting unit, voltage signal acquisition unit and DSP signal processing module are arranged at respectively in corresponding anti-interference type damping box, the Environmental Virbration Influence while reducing its electromagnetic interference that may be subject to and coalcutter operation.
As a kind of preferred version of the present utility model, described current signal collection module, voltage signal acquisition module are positioned near motor side, and the DSP signal processing module is positioned at the Electric Control System of Coal Cutter side; Described current signal collection module, voltage signal acquisition module are sent into traction motor for coal mining machine voltage signal and current signal in the DSP signal processing module by the RS485 communication interface through processing, the DSP signal processing module obtains the real-time running state of motor by the analyzing and processing to signal, and by status information feedback to Electric Control System of Coal Cutter.
As a kind of preferred version of the present utility model, described current signal collection module comprises three high precision closed loop Hall current sensors, in the direct input current signal collecting unit of signal of high precision closed loop Hall current sensor induction, is processed.
As a kind of preferred version of the present utility model, described voltage signal acquisition module comprises three high precision closed loop Hall voltage sensors, and the signal of high precision closed loop Hall voltage sensor sensing is directly inputted in the voltage signal acquisition unit to be processed.
As a kind of preferred version of the present utility model, described current signal collecting unit and current sensor spacing are no more than 50cm, in order to the output signal by current sensor amplified, filtering processes, and the signal after processing is converted to the RS485 signal is transferred to higher level DSP signal processing module, the DSP signal processing module is placed in the inverter output terminal in coal mining machine electric control box.
As a kind of preferred version of the present utility model, described voltage signal acquisition unit and voltage sensor spacing are no more than 50cm, in order to the output signal by voltage sensor amplified, filtering processes, and the signal after processing is converted to the RS485 signal is transferred to higher level DSP signal processing module, the DSP signal processing module is placed in the inverter output terminal in coal mining machine electric control box.
As a kind of preferred version of the present utility model, described DSP signal processing module connects respectively current signal collecting unit, voltage signal acquisition unit, Electric Control System of Coal Cutter, for electric current, the voltage signal collected carried out to the data processing, obtain the status information of traction motor for coal mining machine by the frequency content of analytic signal, and by result feedback to Electric Control System of Coal Cutter.
As a kind of preferred version of the present utility model, described anti-interference type damping box is comprised of enclosed type metal shell and rubber shock-absorbing base;
In described enclosed type metal shell, the PCB circuit board is installed, the radiation interference produced while by metal enclosed shell, reducing the frequency converter operation;
Described rubber shock-absorbing base is located between enclosed type metal shell bottom and coal mining bottom plate of electric cabinet, by metal bead, both is fixed.
The beneficial effects of the utility model are: the traction motor for coal mining machine on-line fault diagnosis device the utility model proposes, can improve reliability and the detection efficiency of fault diagnosis.
The accompanying drawing explanation
The composition schematic diagram that Fig. 1 is the utility model traction motor for coal mining machine On-line Fault Detection device.
Fig. 2 is three anti-interference type damping box annexation figure.
The accompanying drawing mark is as follows:
1-voltage signal acquisition module, 2-current signal collection module, 3-DSP signal processing module
4-Electric Control System of Coal Cutter, 5-voltage sensor, 6-voltage signal acquisition unit
7-current sensor, 8-current signal collecting unit the 9-the first anti-interference type damping box
10-the second anti-interference type damping box the 11-the three anti-interference type damping box
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment mono-
Refer to Fig. 1, the utility model has disclosed traction motor for coal mining machine On-line Fault Detection device and has comprised voltage signal acquisition module 1, current signal collection module 2, DSP signal processing module 3.Current signal collecting unit 1 is for the current signal collection of traction electric machine; Voltage signal acquisition unit 2 is for the voltage signal acquisition of traction electric machine; DSP signal processing module 3 connects current signal collection module 1 and voltage signal acquisition module 2, for the signal to receiving, processes and result is transferred to Electric Control System of Coal Cutter 4.
As shown in Figure 1, current signal collection module 2 comprises current signal collecting unit 8 and some current sensors 7 be connected with this current signal collecting unit, for gathering the current signal of traction electric machine.Voltage signal acquisition module 1 comprises voltage signal acquisition unit 6 and some voltage sensors 5 be connected with this voltage signal acquisition unit 6, for gathering the voltage signal of traction electric machine.Described DSP signal processing module 3 connects respectively current signal collecting unit 8, voltage signal acquisition unit 6, Electric Control System of Coal Cutter 4, for electric current, the voltage signal collected carried out to the data processing, obtain the status information of traction motor for coal mining machine by the frequency content of analytic signal, and by result feedback to Electric Control System of Coal Cutter.
Described voltage signal acquisition module 1, current signal collection module 2 are arranged near in the coal mining machine electric control box body 4 of motor side, and DSP signal processing module 3 is positioned at a side of Electric Control System of Coal Cutter 4; Voltage signal acquisition module 1, current signal collection module 2 are sent into traction motor for coal mining machine voltage signal and current signal in DSP signal processing module 3 in the mode of RS485 communication after treatment, DSP signal processing module 3 obtains the real-time running state of motor by the analyzing and processing to signal, and by status information feedback in Electric Control System of Coal Cutter 4.
As shown in Figure 2; described pick-up unit also comprises three, and independently anti-interference type damping box 9,10,11(comprise the first anti-interference type damping box 9, the second anti-interference type damping box 10, the 3rd anti-interference type damping box 11); for the protection of voltage signal acquisition unit 6, current signal collecting unit 8 and DSP signal processing module 3, the Environmental Virbration Influence while reducing its electromagnetic interference that may be subject to and coalcutter operation.
Particularly, described anti-interference type damping box 9,10,11 can be comprised of enclosed type metal shell and rubber shock-absorbing base; In described enclosed type metal shell, the PCB circuit board is installed, the radiation interference produced while by metal enclosed shell, reducing the frequency converter operation; Described rubber shock-absorbing base is located between enclosed type metal shell bottom and coal mining bottom plate of electric cabinet, by metal bead, both is fixed.
In the present embodiment, described current signal collection module 2 comprises three high precision closed loop Hall current sensors, in the direct input current signal collecting unit of signal of high precision closed loop Hall current sensor induction, is processed.Described current signal collecting unit and current sensor spacing are no more than 50cm, in order to the output signal by current sensor amplified, filtering processes, and the signal after processing is converted to the RS485 signal is transferred to higher level DSP signal processing module, the DSP signal processing module is placed in the inverter output terminal in coal mining machine electric control box.
Described voltage signal acquisition module 1 comprises three high precision closed loop Hall voltage sensors, and the signal of high precision closed loop Hall voltage sensor sensing is directly inputted in the voltage signal acquisition unit to be processed.Described voltage signal acquisition unit and voltage sensor spacing are no more than 50cm, in order to the output signal by voltage sensor amplified, filtering processes, and the signal after processing is converted to the RS485 signal is transferred to higher level DSP signal processing module, the DSP signal processing module is placed in the inverter output terminal in coal mining machine electric control box.
The first anti-interference type damping box 9 that voltage signal acquisition unit 6 is installed is arranged on the position that voltage sensor 5 sides are no more than 50cm, the second anti-interference damping box 10 that current signal collecting unit 8 is installed is arranged on the position that current sensor 7 sides are no more than 50cm, the 3rd anti-interference damping box 11 that DSP signal processing module 3 is installed is arranged on a side of Electric Control System of Coal Cutter 4, and the fixing mode that three anti-interference type damping boxes were connected press strip is arranged in the coal mining machine electric control box body.
In sum, the traction motor for coal mining machine on-line fault diagnosis device the utility model proposes, can improve reliability and the detection efficiency of fault diagnosis.
Here description of the present utility model and application is illustrative, not wants by scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and for those those of ordinary skill in the art, the various parts of the replacement of embodiment and equivalence are known.Those skilled in the art are noted that in the situation that do not break away from spirit of the present utility model or essential characteristic, and the utility model can be with other form, structure, layout, ratio, and realizes with other assembly, material and parts.In the situation that do not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (8)
1. a traction motor for coal mining machine on-line fault diagnosis device, is characterized in that, described diagnostic device comprises:
-current signal collection module, comprise current signal collecting unit and some current sensors be connected with this current signal collecting unit, for gathering the current signal of traction electric machine;
-voltage signal acquisition module, comprise voltage signal acquisition unit and some voltage sensors be connected with this voltage signal acquisition unit, for gathering the voltage signal of traction electric machine;
-DSP signal processing module, connect current signal collection module and voltage signal acquisition module, for the signal to receiving, processes and result is transferred to Electric Control System of Coal Cutter;
-tri-anti-interference type damping boxes independently, described current signal collecting unit, voltage signal acquisition unit and DSP signal processing module are arranged at respectively in corresponding anti-interference type damping box, the Environmental Virbration Influence while reducing its electromagnetic interference that may be subject to and coalcutter operation.
2. traction motor for coal mining machine on-line fault diagnosis device according to claim 1 is characterized in that:
Described current signal collection module, voltage signal acquisition module are positioned near motor side, and the DSP signal processing module is positioned at the Electric Control System of Coal Cutter side;
Described current signal collection module, voltage signal acquisition module are sent into traction motor for coal mining machine voltage signal and current signal in the DSP signal processing module by the RS485 communication interface through processing, the DSP signal processing module obtains the real-time running state of motor by the analyzing and processing to signal, and by status information feedback to Electric Control System of Coal Cutter.
3. traction motor for coal mining machine on-line fault diagnosis device according to claim 1 is characterized in that:
Described current signal collection module comprises three high precision closed loop Hall current sensors, in the direct input current signal collecting unit of signal of high precision closed loop Hall current sensor induction, is processed.
4. traction motor for coal mining machine on-line fault diagnosis device according to claim 1 is characterized in that:
Described voltage signal acquisition module comprises three high precision closed loop Hall voltage sensors, and the signal of high precision closed loop Hall voltage sensor sensing is directly inputted in the voltage signal acquisition unit to be processed.
5. according to the described traction motor for coal mining machine on-line fault diagnosis of one of claim 1 to 4 device, it is characterized in that:
Described current signal collecting unit and current sensor spacing are no more than 50cm, in order to the output signal by current sensor amplified, filtering processes, and the signal after processing is converted to the RS485 signal is transferred to higher level DSP signal processing module, the DSP signal processing module is placed in the inverter output terminal in coal mining machine electric control box.
6. according to the described traction motor for coal mining machine on-line fault diagnosis of one of claim 1 to 4 device, it is characterized in that:
Described voltage signal acquisition unit and voltage sensor spacing are no more than 50cm, in order to the output signal by voltage sensor amplified, filtering processes, and the signal after processing is converted to the RS485 signal is transferred to higher level DSP signal processing module, the DSP signal processing module is placed in the inverter output terminal in coal mining machine electric control box.
7. according to the described traction motor for coal mining machine on-line fault diagnosis of one of claim 1 to 4 device, it is characterized in that:
Described DSP signal processing module connects respectively current signal collecting unit, voltage signal acquisition unit, Electric Control System of Coal Cutter, for electric current, the voltage signal collected carried out to the data processing, obtain the status information of traction motor for coal mining machine by the frequency content of analytic signal, and by result feedback to Electric Control System of Coal Cutter.
8. according to the described traction motor for coal mining machine on-line fault diagnosis of one of claim 1 to 4 device, it is characterized in that:
Described anti-interference type damping box is comprised of enclosed type metal shell and rubber shock-absorbing base;
In described enclosed type metal shell, the PCB circuit board is installed, the radiation interference produced while by metal enclosed shell, reducing the frequency converter operation;
Described rubber shock-absorbing base is located between enclosed type metal shell bottom and coal mining bottom plate of electric cabinet, by metal bead, both is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320471912.8U CN203376455U (en) | 2013-08-02 | 2013-08-02 | On-line fault diagnosis device of coal cutter traction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320471912.8U CN203376455U (en) | 2013-08-02 | 2013-08-02 | On-line fault diagnosis device of coal cutter traction motor |
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| Publication Number | Publication Date |
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| CN203376455U true CN203376455U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320471912.8U Expired - Lifetime CN203376455U (en) | 2013-08-02 | 2013-08-02 | On-line fault diagnosis device of coal cutter traction motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579850A (en) * | 2020-04-16 | 2020-08-25 | 南京金龙新能源汽车研究院有限公司 | System and method for improving anti-interference performance of motor rack system |
| CN115144751A (en) * | 2022-09-05 | 2022-10-04 | 西北工业大学 | Traction motor fault diagnosis device and method |
-
2013
- 2013-08-02 CN CN201320471912.8U patent/CN203376455U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579850A (en) * | 2020-04-16 | 2020-08-25 | 南京金龙新能源汽车研究院有限公司 | System and method for improving anti-interference performance of motor rack system |
| CN115144751A (en) * | 2022-09-05 | 2022-10-04 | 西北工业大学 | Traction motor fault diagnosis device and method |
| CN115144751B (en) * | 2022-09-05 | 2022-11-08 | 西北工业大学 | Traction motor fault diagnosis device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20140101 |