CN210775540U - Diagnosis and collection device for rotating equipment - Google Patents
Diagnosis and collection device for rotating equipment Download PDFInfo
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- CN210775540U CN210775540U CN201921908960.2U CN201921908960U CN210775540U CN 210775540 U CN210775540 U CN 210775540U CN 201921908960 U CN201921908960 U CN 201921908960U CN 210775540 U CN210775540 U CN 210775540U
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Abstract
The utility model relates to a vibration analysis equipment technical field provides a rotary equipment diagnoses collection system, including multipolarity magnetic encoding dish, pulse coil and MCU circuit, still include: the direct current power supply circuit is connected with the pulse coil and converts pulse voltage generated by the pulse coil and the multi-polarity magnetic coding disc along with the rotation of the rotating shaft into a direct current electric signal; the pulse arranging circuit is connected with the pulse coil and is used for arranging pulse voltage generated by the pulse coil and the multi-polarity magnetic coding disc along with the rotation of the rotating shaft to generate rotating speed data; the acceleration data acquisition circuit is connected with the MCU circuit and the plurality of vibration sensors and is used for generating acceleration data; the temperature sensor is connected with the MCU circuit, the MCU circuit is connected with the wireless communication circuit, the continuous power supply of the power supply and the on-line detection of faults are realized, and meanwhile, the accuracy of the on-line detection and the accuracy of the fault analysis are improved.
Description
Technical Field
The utility model belongs to the technical field of vibration analysis equipment, especially, relate to a rotary equipment diagnoses collection system.
Background
The on-line equipment diagnosis technology is widely applied to state monitoring and fault diagnosis of production line equipment, mainly adopts a wired mode and a wireless mode, and an encoder needs to be installed on a power shaft for accurately measuring frequency conversion. However, both of these approaches have drawbacks, specifically:
(1) the whole diagnosis and collection device has a complex structure and high cost and is not suitable for many occasions due to a wired implementation mode;
(2) the wireless realization mode can only collect vibration signals and temperature signals, adopts a battery for power supply, cannot measure frequency conversion, and cannot realize real-time online monitoring due to the power supply.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a simple structure, the rotating equipment diagnosis collection system who realizes easily.
The utility model provides a technical scheme is: a diagnosis and acquisition device for rotary equipment comprises a multi-polarity magnetic coding disc, a pulse coil and an MCU circuit, wherein the multi-polarity magnetic coding disc is arranged on a rotating shaft of the rotary equipment, and the pulse coil is arranged on the inner wall of a shell of the rotary equipment;
the rotary equipment diagnosis collection system further comprises:
the direct current power supply circuit is connected with the pulse coil and converts pulse voltage generated by the pulse coil and the multi-polarity magnetic coding disc along with the rotation of the rotating shaft into a direct current electric signal;
the pulse arranging circuit is connected with the pulse coil and is used for arranging pulse voltage generated by the pulse coil and the multi-polarity magnetic coding disc along with the rotation of the rotating shaft to generate rotating speed data;
the acceleration data acquisition circuit is connected with the MCU circuit and the plurality of vibration sensors and is used for generating acceleration data;
and the temperature sensor is connected with the MCU circuit, and the MCU circuit is connected with the wireless communication circuit.
As an improved solution, the dc power supply circuit includes:
an AC/DC circuit connected to the pulse coil and rectifying a pulse voltage formed by the pulse coil;
the voltage stabilizing circuit is connected with the AC/DC circuit and used for stabilizing the voltage signal rectified by the AC/DC circuit to generate a stabilized direct current power supply signal;
and the charging circuit is connected with the voltage stabilizing circuit and the MCU circuit.
As an improved solution, the diagnostic collecting device of the rotating equipment further comprises a battery, and the battery is connected with the charging circuit.
As an improved scheme, the acceleration data acquisition circuit comprises a multiplexer MUX, a signal conditioning circuit and a sampling circuit, wherein the multiplexer MUX is connected with the signal conditioning circuit, the signal conditioning circuit is connected with the sampling circuit, and the sampling circuit is connected with the MCU circuit.
As a modified scheme, the temperature sensor is connected with the MCU circuit through an I2C bus.
As an improved scheme, a memory used for storing rotating speed data, acceleration data and temperature data is arranged in the MCU circuit.
The utility model discloses in, the diagnostic collection system of rotating equipment includes multipolarity magnetic encoding dish, pulse coil and MCU circuit, still includes: the direct current power supply circuit is connected with the pulse coil and converts pulse voltage generated by the pulse coil and the multi-polarity magnetic coding disc along with the rotation of the rotating shaft into a direct current electric signal; the pulse arranging circuit is connected with the pulse coil and is used for arranging pulse voltage generated by the pulse coil and the multi-polarity magnetic coding disc along with the rotation of the rotating shaft to generate rotating speed data; the acceleration data acquisition circuit is connected with the MCU circuit and the plurality of vibration sensors and is used for generating acceleration data; the temperature sensor is connected with the MCU circuit, the MCU circuit is connected with the wireless communication circuit, the continuous power supply of the power supply and the on-line detection of faults are realized, and meanwhile, the accuracy of the on-line detection and the accuracy of the fault analysis are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a diagnosis and collection device for rotary equipment provided by the present invention;
the device comprises a 1-multi-polarity magnetic coding disc, a 2-pulse coil, a 3-MCU circuit, a 4-vibration sensor, a 5-temperature sensor, a 6-AC/DC circuit, a 7-voltage stabilizing circuit, an 8-charging circuit, a 9-battery, a 10-multiplexing MUX, an 11-signal conditioning circuit, a 12-sampling circuit, a 13-memory, a 14-wireless communication circuit and a 15-pulse sorting circuit.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Fig. 1 shows a schematic structural diagram of a diagnosis and collection device for a rotary apparatus provided by the present invention, and for convenience of description, only the relevant parts of the present invention are shown in the diagram.
The diagnosis and acquisition device for the rotary equipment comprises a multi-polarity magnetic coding disc 1, a pulse coil 2 and an MCU circuit 3, wherein the multi-polarity magnetic coding disc 1 is arranged on a rotating shaft (a line selection part in the figure) of the rotary equipment, and the pulse coil 2 is arranged on the inner wall of a shell of the rotary equipment;
the rotary equipment diagnosis collection system further comprises:
the direct current power supply circuit is connected with the pulse coil 2 and converts pulse voltage generated by the pulse coil 2 and the multi-polarity magnetic encoding disk 1 along with the rotation of the rotating shaft into a direct current electric signal;
the pulse arranging circuit 15 is connected with the pulse coil 2, arranges the pulse voltage generated by the pulse coil 2 and the multi-polarity magnetic coding disc 1 along with the rotation of the rotating shaft, and generates rotating speed data, and the pulse arranging circuit 15 arranges the pulse voltage into a TTL (transistor-transistor logic) storage battery for the MCU circuit to acquire pulse width and convert the pulse width into the pulse number in unit time so as to convert the pulse width into a rotating speed signal;
and the acceleration data acquisition circuit is connected with the MCU circuit 3 and the plurality of vibration sensors 4 and is used for generating acceleration data, wherein the number of the vibration sensors is three, signals of the three vibration sensors are changed into single-path signals after being subjected to time-sharing selection by a multi-path switch, the single-path signals are converted into digital signals through a conditioning circuit and an anti-aliasing circuit and are stored in the MCU circuit through an SPI circuit of the MCU circuit. (ii) a
The temperature sensor 5 is connected with the MCU circuit 3, the MCU circuit 3 is connected with the wireless communication circuit 14, wherein the temperature sensor 5 is an intelligent sensor with an I2C interface and is transmitted to the MCU circuit through an I2C circuit.
In the present invention, as shown in fig. 1, the dc power supply circuit includes:
an AC/DC circuit 6 connected to the pulse coil 2 and rectifying a pulse voltage generated by the pulse coil 2;
a voltage stabilizing circuit 7 connected with the AC/DC circuit 6 and used for stabilizing the voltage signal rectified by the AC/DC circuit to generate a stabilized DC power supply signal;
and the charging circuit 8 is connected with the voltage stabilizing circuit 7, and the charging circuit 8 is connected with the MCU circuit 3 through a circuit.
In this embodiment, the diagnosis and collection device for the rotating equipment further comprises a battery 9, and the battery 9 is connected with the charging circuit 8, so that the battery is charged, and the continuous operation of the diagnosis and collection device for the rotating equipment is guaranteed.
Wherein, the AC/DC circuit 6 is a conventional a/D converter, which is an electronic component for converting an analog signal into a digital signal; the regulator circuit 7 may also be a conventional regulator, such as a Deleisi regulator, and will not be described herein.
The utility model discloses in, as shown in fig. 1, acceleration data acquisition circuit includes multiplexing MUX10, signal conditioning circuit 11 and sampling circuit 12, wherein, multiplexing MUX10 with signal conditioning circuit 11 connects, signal conditioning circuit 11 with sampling circuit 12 connects, sampling circuit 12 with MCU circuit 3 connects.
The multiplexing MUX10, the signal conditioning circuit 11, and the sampling circuit 12 can be implemented by using conventional components, which are not described herein again.
The utility model discloses in, be equipped with the memory 13 that is used for saving rotational speed data, acceleration data and temperature data in the MCU circuit 3.
The utility model discloses in, install epaxial multipolarity magnetic encoding dish 1 (along with the axle rotation) and fix the pulse coil 2 in the device casing, pulse coil 2 cuts the magnetic line of force along with the rotation pulse coil of axle, responds to the pulse signal who has certain electric energy.
The utility model discloses in, the diagnostic collection system of rotating equipment includes multipolarity magnetic encoding dish, pulse coil and MCU circuit, still includes: the direct current power supply circuit is connected with the pulse coil and converts pulse voltage generated by the pulse coil and the multi-polarity magnetic coding disc along with the rotation of the rotating shaft into a direct current electric signal; the pulse arranging circuit is connected with the pulse coil and is used for arranging pulse voltage generated by the pulse coil and the multi-polarity magnetic coding disc along with the rotation of the rotating shaft to generate rotating speed data; the acceleration data acquisition circuit is connected with the MCU circuit and the plurality of vibration sensors and is used for generating acceleration data; the temperature sensor is connected with the MCU circuit, the MCU circuit is connected with the wireless communication circuit, the continuous power supply of the power supply and the on-line detection of faults are realized, and meanwhile, the accuracy of the on-line detection and the accuracy of the fault analysis are improved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. A diagnosis and collection device for rotary equipment is characterized by comprising a multi-polarity magnetic coding disc, a pulse coil and an MCU circuit, wherein the multi-polarity magnetic coding disc is arranged on a rotating shaft of the rotary equipment, and the pulse coil is arranged on the inner wall of a shell of the rotary equipment;
the rotary equipment diagnosis collection system further comprises:
the direct current power supply circuit is connected with the pulse coil and converts pulse voltage generated by the pulse coil and the multi-polarity magnetic coding disc along with the rotation of the rotating shaft into a direct current electric signal;
the pulse arranging circuit is connected with the pulse coil and is used for arranging pulse voltage generated by the pulse coil and the multi-polarity magnetic coding disc along with the rotation of the rotating shaft to generate rotating speed data;
the acceleration data acquisition circuit is connected with the MCU circuit and the plurality of vibration sensors and is used for generating acceleration data;
and the temperature sensor is connected with the MCU circuit, and the MCU circuit is connected with the wireless communication circuit.
2. The rotary equipment diagnostic acquisition device of claim 1 wherein the dc power supply circuit comprises:
an AC/DC circuit connected to the pulse coil and rectifying a pulse voltage formed by the pulse coil;
the voltage stabilizing circuit is connected with the AC/DC circuit and used for stabilizing the voltage signal rectified by the AC/DC circuit to generate a stabilized direct current power supply signal;
and the charging circuit is connected with the voltage stabilizing circuit and the MCU circuit.
3. The rotating equipment diagnostic acquisition device of claim 2 further comprising a battery, wherein the battery is connected to the charging circuit.
4. The rotating equipment diagnostic acquisition device of claim 1 wherein the acceleration data acquisition circuit comprises a multiplexing MUX, a signal conditioning circuit, and a sampling circuit, wherein the multiplexing MUX is coupled to the signal conditioning circuit, the signal conditioning circuit is coupled to the sampling circuit, and the sampling circuit is coupled to the MCU circuit.
5. The rotating equipment diagnostic acquisition device of claim 1 wherein the temperature sensor is connected to the MCU circuitry via an I2C bus.
6. The rotating equipment diagnostic acquisition device of claim 1 wherein the MCU circuit has a memory for storing rotational speed data, acceleration data, and temperature data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908960.2U CN210775540U (en) | 2019-11-06 | 2019-11-06 | Diagnosis and collection device for rotating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908960.2U CN210775540U (en) | 2019-11-06 | 2019-11-06 | Diagnosis and collection device for rotating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210775540U true CN210775540U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921908960.2U Expired - Fee Related CN210775540U (en) | 2019-11-06 | 2019-11-06 | Diagnosis and collection device for rotating equipment |
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| CN (1) | CN210775540U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948997A (en) * | 2020-08-18 | 2020-11-17 | 西安热工研究院有限公司 | System and method for evaluating running state of rotating equipment for power plant |
| CN113340349A (en) * | 2021-06-07 | 2021-09-03 | 哈尔滨纽微电机控制技术有限公司 | Wireless composite sensor |
| DE102023104655A1 (en) | 2023-02-25 | 2024-08-29 | Ifm Electronic Gmbh | Speed monitor |
-
2019
- 2019-11-06 CN CN201921908960.2U patent/CN210775540U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948997A (en) * | 2020-08-18 | 2020-11-17 | 西安热工研究院有限公司 | System and method for evaluating running state of rotating equipment for power plant |
| CN113340349A (en) * | 2021-06-07 | 2021-09-03 | 哈尔滨纽微电机控制技术有限公司 | Wireless composite sensor |
| DE102023104655A1 (en) | 2023-02-25 | 2024-08-29 | Ifm Electronic Gmbh | Speed monitor |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20211106 |