CN201774239U - Motor driver with failure detection function - Google Patents
Motor driver with failure detection function Download PDFInfo
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- CN201774239U CN201774239U CN2010205054378U CN201020505437U CN201774239U CN 201774239 U CN201774239 U CN 201774239U CN 2010205054378 U CN2010205054378 U CN 2010205054378U CN 201020505437 U CN201020505437 U CN 201020505437U CN 201774239 U CN201774239 U CN 201774239U
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- 238000001514 detection method Methods 0.000 title abstract 4
- 230000006698 induction Effects 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims description 34
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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Abstract
A motor driver with a failure detection function comprises a line input end for being connected with a power supply line and a line output end for providing power for a motor, wherein the line input end and the line output end are connected through a lead, the lead between the line input end and the line output end is wound on a magnetizer, the other end of the magnetizer is provided with an induction coil, the induction coil outputs signals to a current detection device, a control relay is connected in series between the line input end and the line output end, the line input end is connected to a common end of the control relay, the line output end is connected to a normally closed contact, and the current detection device controls working of the relay. The motor driver can monitor failures such as too slow rotation speed or stoppage of a rotor caused by overload of a vibration motor, or over current caused by internal short circuit, internal phase shortage and line breakage inside the motor, and the like can timely give out warnings to remind related personnel of processing in case of motor failures, and accordingly prolongs service life of the motor and reduces failures.
Description
Technical field
The utility model discloses a kind of motor driver, particularly a kind of motor driver of tape jam measuring ability.
Background technology
Vibrating motor is the exciting source of all kinds of vibrating machines.Vibrating motor is widely used in the industries such as electric power, building materials, grain, coal, mine, metallurgy, chemical industry, light industry, casting, cement, as equipment such as oscillating feeder, vibrating screen, vibratory feed unit, vibration drying machine, mining vibrating screen, vibration ore dumping machine, vibratory shakeout machine, jigging conveyer and hopper wall vibrators.Because the application scenario of vibrating motor is more special, when using usually, vibrating motor can place in the middle of the material, therefore, when vibrating motor breaks down, can't in time detect it.
Summary of the invention
Can't in time carry out the shortcoming of fault detect at the above-mentioned vibrating motor of mentioning of the prior art, the utility model provides a kind of motor driver of tape jam measuring ability, lead between line input and the line output is wrapped on the magnetic conductor, judges the working condition of motor by the changes of magnetic field that detects magnetic conductor.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of motor driver of tape jam measuring ability, driver comprises the line output that is used for the line input that is connected with supply line and is used for powering to motor, connect by lead between line input and the line output, lead between line input and the line output is wrapped on the magnetic conductor, the magnetic conductor other end is provided with induction coil, induction coil outputs signal to current sensing means, be in series with control relay between line input and the line output, line input is connected the common port of control relay, line output is connected on the normally-closed contact, the work of current sensing means control relay.
The technical scheme that its technical problem that solves the utility model adopts further comprises:
Described line input comprises the live wire input and the zero line input that is used for being connected with zero line that is used for the live wire connection, and line output comprises live wire output and the zero line output that is used for to the motor power supply.
Conductor between described live wire input and the live wire output is wrapped on the magnetic conductor, be in series with control relay between live wire input and the live wire output, or be in series with control relay between zero line input and the zero line output, or all be in series with control relay between live wire input and the live wire output and between zero line input and the zero line output.
Conductor between described zero line input and the zero line output is wrapped on the magnetic conductor, be in series with control relay between live wire input and the live wire output, or be in series with control relay between zero line input and the zero line output, or all be in series with control relay between live wire input and the live wire output and between zero line input and the zero line output.
Conductor between described live wire input and the live wire output is wrapped on first magnetic conductor, conductor between zero line input and the zero line output is wrapped on second magnetic conductor, be in series with control relay between live wire input and the live wire output, or be in series with control relay between zero line input and the zero line output, or all be in series with control relay between live wire input and the live wire output and between zero line input and the zero line output.
Be connected with the alarm output on the normally opened contact of described control relay, when an alarm output was connected on the control relay between live wire input and the live wire output, another alarm output was connected on the zero line; When an alarm output was connected on the control relay between zero line input and the zero line output, another alarm output was connected on the live wire.
The beneficial effects of the utility model are: but the rotor rotation speed that the utility model monitors vibration motor causes because of overload is crossed slowly or not and is changeed, perhaps the electric current that causes because of motor internal short circuit etc. is excessive, and fault such as motor internal phase shortage, broken string, can be when motor breaks down, in time send warning, remind the related personnel to handle, take place with useful life, the minimizing fault that prolongs motor.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Fig. 1 is the utility model main circuit partial circuit schematic diagram.
Among the figure, 1-first control relay, 2-second control relay, 3-first magnetic conductor, 4-second magnetic conductor, 5-first current sensing means, 6-second current sensing means.
Embodiment
Present embodiment is the utility model preferred implementation, and other all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection range.
Please referring to accompanying drawing 1, present embodiment is specifically described as an example with the driver of alternating current machine, when specifically implementing, also can use in the driving of direct current machine.
Be provided with six interfaces in the utility model, comprise: live wire input, zero line input, live wire output, zero line output, alarm live wire output and alarm zero line output.In the present embodiment, the live wire input that is used for being connected with the live wire of supply line is connected with the common port of first control relay 1, the normally-closed contact of first control relay 1 is connected with lead, lead is wrapped on first magnetic conductor 3, the lead other end and live wire output are used for providing live wire to motor.First magnetic conductor, 3 other ends are provided with induction coil, induction coil can be responded to the changes of magnetic field in the magnetic conductor, and convert its changes of magnetic field to electric current and change, export to first current sensing means 5 then (in the present embodiment, current sensing means can detect size of current, and the output control signal, concrete structure and ammeter are similar), first current sensing means, 5 output control signals are controlled 1 work of first control relay.The zero line input that is used for being connected with the zero line of supply line is connected with the common port of second control relay 2, the normally-closed contact of second control relay 2 is connected with lead, lead is wrapped on second magnetic conductor 4, and the lead other end and zero line output are used for providing zero line to motor.Second magnetic conductor, 4 other ends are provided with induction coil, induction coil can be responded to the changes of magnetic field in the magnetic conductor, and convert its changes of magnetic field to electric current and change, export to second current sensing means, 6, the second current sensing meanss, 6 output control signals then and control 2 work of second control relay.
In the present embodiment, first current sensing means, 5 output control signals are controlled 2 work of second control relay simultaneously, and second current sensing means, 6 output control signals are controlled 1 work of first control relay simultaneously.In the present embodiment, the normally opened contact of second control relay 2 is connected with alarm zero line output, and alarm live wire output directly is connected with the live wire input.
In the foregoing description, only be of the present utility model one preferred embodiment, the utility model also has other variant embodiment.
Embodiment two: only between live wire input and live wire output magnetic conductor is set, perhaps only between zero line input and zero line output magnetic conductor is set, current sensing means is controlled two relay work simultaneously.
Embodiment three: perhaps only between live wire input and live wire output control relay is set, perhaps only between zero line input and zero line output control relay is set, the work of current sensing means control relay.
The utility model form is not limited in above-mentioned illustrative example, only need to guarantee to be provided with one or two magnetic conductor between two supply lines, and, being provided with one or two control relay between two supply lines, the work of current sensing means control relay gets final product.
The rotor rotation speed that causes because of overload when vibrating motor is crossed slowly or not and is changeed, perhaps the electric current that causes because of motor internal short circuit etc. is excessive, and during fault such as motor internal phase shortage, broken string, magnetic field in the magnetic conductor can change, and the detected electric current of current sensing means also can occur unusually, the action of current sensing means control relay, relay disconnects normally-closed contact, promptly disconnect the current supply circuit of motor, guarantee that motor can not damage, connect alarm simultaneously and report to the police.
But the rotor rotation speed that the utility model monitors vibration motor causes because of overload is crossed slowly or not and is changeed, perhaps the electric current that causes because of motor internal short circuit etc. is excessive, and fault such as motor internal phase shortage, broken string, can be when motor breaks down, in time send warning, remind the related personnel to handle, take place with useful life, the minimizing fault that prolongs motor.
Claims (6)
1. the motor driver of a tape jam measuring ability, it is characterized in that: described driver comprises the line output that is used for the line input that is connected with supply line and is used for powering to motor, connect by lead between line input and the line output, lead between line input and the line output is wrapped on the magnetic conductor, the magnetic conductor other end is provided with induction coil, induction coil outputs signal to current sensing means, be in series with control relay between line input and the line output, line input is connected the common port of control relay, line output is connected on the normally-closed contact, the work of current sensing means control relay.
2. the motor driver of tape jam measuring ability according to claim 1, it is characterized in that: described line input comprises the live wire input and the zero line input that is used for being connected with zero line that is used for the live wire connection, and line output comprises live wire output and the zero line output that is used for to the motor power supply.
3. the motor driver of tape jam measuring ability according to claim 2, it is characterized in that: the conductor between described live wire input and the live wire output is wrapped on the magnetic conductor, be in series with control relay between live wire input and the live wire output, or be in series with control relay between zero line input and the zero line output, or all be in series with control relay between live wire input and the live wire output and between zero line input and the zero line output.
4. the motor driver of tape jam measuring ability according to claim 2, it is characterized in that: the conductor between described zero line input and the zero line output is wrapped on the magnetic conductor, be in series with control relay between live wire input and the live wire output, or be in series with control relay between zero line input and the zero line output, or all be in series with control relay between live wire input and the live wire output and between zero line input and the zero line output.
5. the motor driver of tape jam measuring ability according to claim 2, it is characterized in that: the conductor between described live wire input and the live wire output is wrapped on first magnetic conductor, conductor between zero line input and the zero line output is wrapped on second magnetic conductor, be in series with control relay between live wire input and the live wire output, or be in series with control relay between zero line input and the zero line output, or all be in series with control relay between live wire input and the live wire output and between zero line input and the zero line output.
6. according to the motor driver of any described tape jam measuring ability in the claim 3 to 5, it is characterized in that: be connected with the alarm output on the normally opened contact of described control relay, when an alarm output was connected on the control relay between live wire input and the live wire output, another alarm output was connected on the zero line; When an alarm output was connected on the control relay between zero line input and the zero line output, another alarm output was connected on the live wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205054378U CN201774239U (en) | 2010-08-26 | 2010-08-26 | Motor driver with failure detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205054378U CN201774239U (en) | 2010-08-26 | 2010-08-26 | Motor driver with failure detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201774239U true CN201774239U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205054378U Expired - Lifetime CN201774239U (en) | 2010-08-26 | 2010-08-26 | Motor driver with failure detection function |
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| Country | Link |
|---|---|
| CN (1) | CN201774239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105474025A (en) * | 2013-04-05 | 2016-04-06 | 诺丁汉大学 | Electric machine fault detection |
| CN109696615A (en) * | 2017-10-23 | 2019-04-30 | 恩智浦有限公司 | The method of failure at device output and its system for identification |
-
2010
- 2010-08-26 CN CN2010205054378U patent/CN201774239U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105474025A (en) * | 2013-04-05 | 2016-04-06 | 诺丁汉大学 | Electric machine fault detection |
| CN109696615A (en) * | 2017-10-23 | 2019-04-30 | 恩智浦有限公司 | The method of failure at device output and its system for identification |
| CN109696615B (en) * | 2017-10-23 | 2023-04-21 | 恩智浦有限公司 | Method for identifying faults at the output of a device and system therefor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180801 Address after: 518000 two floor, fourteenth factory building, Wanfeng 98 industrial city, Baoan District, Shenzhen, Guangdong. Patentee after: Shenzhen City Xin Jiahong Technology Co. Ltd. Address before: 518000 3, third row 1, Xinqiao third industrial zone, Baoan District Town, Shenzhen, Shenzhen, Guangdong Patentee before: Wang Xinxiang |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |