CN115112225A - Dynamometer vibration detection framework and control method - Google Patents
Dynamometer vibration detection framework and control method Download PDFInfo
- Publication number
- CN115112225A CN115112225A CN202210575239.6A CN202210575239A CN115112225A CN 115112225 A CN115112225 A CN 115112225A CN 202210575239 A CN202210575239 A CN 202210575239A CN 115112225 A CN115112225 A CN 115112225A
- Authority
- CN
- China
- Prior art keywords
- dynamometer
- inverter
- relay
- centralized control
- torque
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention relates to a dynamometer vibration detection framework and a control method.A battery simulator gets electricity through a public power grid and supplies power to a first inverter and a second inverter at the same time; the centralized control system respectively controls the rotating speed and the torque of the tested body and the dynamometer through a Can tool through a first inverter and a second inverter, records relevant test data and performs relevant tests; the PLC carries out vibration detection on the dynamometer through the vibration sensor, when the vibration data reported by the vibration sensor exceeds a required value, the centralized control system issues disconnection signals to the first relay and the second relay through the PLC, the power supply of the first inverter and the second inverter is disconnected, all instructions of the first inverter and the second inverter are cleared through the Can tool, the whole system stops, the test is stopped, and the dynamometer and a tested body are protected.
Description
Technical Field
The invention relates to the technical field of new energy motor testing, in particular to a dynamometer vibration detection framework and a control method.
Background
In the whole vehicle development process, a large number of performance, reliability, functions and other development tests are required for the electric driving system of the new energy vehicle to ensure development quality, solve closed-loop design problems, verify design feasibility and ensure no serious quality problems in the whole vehicle life cycle. The dynamometer is used as common experimental equipment, in the process of a brand-new developed product experiment, because a large amount of uncertainty exists in the brand-new developed product, the dynamometer and a measured body can be damaged when the dynamometer measures the data of the measured body, the experiment cost is high due to the damage of the dynamometer and the measured body, the dynamometer vibrates in working, the operation state of the dynamometer can be monitored by detecting the vibration of the dynamometer, and the problem that how to detect the vibration of the dynamometer is needed to be solved is solved.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to solve the problem that the vibration of the dynamometer cannot be detected, so as to provide a dynamometer vibration detection architecture and a control method.
A dynamometer vibration detection architecture comprises a centralized control system, a relay, a PLC3, a first inverter, a tested body, a battery simulator, a Can tool, a cooling system, a dynamometer base, an inverter, a dynamometer, a relay and a vibration sensor;
one end of the battery simulator is connected with a public power grid, and the other end of the battery simulator is connected with the first inverter, the first relay, the second inverter and the second relay; the other end of the first inverter is connected with the Can tool, the cooling system and the tested body; the other end of the second inverter is connected with the Can tool, the cooling system, the second relay and the dynamometer; the Can tool is also connected with the centralized control system; the tested body is connected with the dynamometer through the dynamometer base; the dynamometer base is also connected with the centralized control system; the dynamometer is also connected with the vibration sensor; the other end of the vibration sensor is connected with the PLC; the PLC is also connected with the first relay, the second relay and the centralized control system; the cooling system is also connected with the measured body, the dynamometer and the centralized control system.
Furthermore, a shaft system is arranged on the dynamometer base, the rotating speed measurement and the torque measurement can be realized through the shaft system, and the dynamometer is physically connected with the measured body through the dynamometer base.
Further, the voltage range of the battery simulator is 200-1200V, and the current is 1200A.
Further, the rotating speed of the dynamometer is 20000rpm, the power is 300kW, and the torque is 550 Nm.
Further, the rotating speed of the shaft system is 20000rpm, the power is 300kW, and the torque is 550 Nm.
Furthermore, cooling liquid with the temperature of minus 40 to 105 ℃ is arranged in the cooling system, and the flow rate is 2 to 30L/min.
The control method of the vibration detection framework of the electric power measuring machine comprises the steps that data analysis and recording are carried out on the rotating speed and the torque collected by a dynamometer base in a centralized control mode, meanwhile, the voltage output by a battery simulator is controlled, the temperature and the flow of cooling liquid output by a cooling system are controlled, data analysis and recording are carried out, a PLC is used for collecting vibration signals of the dynamometer in real time, and the PLC is used for controlling the on-off of a first relay and a second relay; the battery simulator obtains electricity through a public power grid and supplies power to the first inverter and the second inverter; the cooling system cools the dynamometer, the second inverter, the measured object and the first inverter; the Can tool receives signals of a centralized control system to control the rotating speed or the torque of the first inverter and the second inverter; the first inverter controls the rotating speed or the torque of the detected body; the second inverter is used for controlling the rotating speed or the torque of the dynamometer; the first relay is used for controlling the on-off of the first inverter; and the second relay is used for controlling the on-off of the second inverter.
The invention can meet various test requirements of the driving motor, find the abnormality of the dynamometer in advance, protect the dynamometer and the tested body, prevent the dynamometer and the tested body from being damaged and reduce the test cost.
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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the present invention;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
A dynamometer vibration detection architecture comprises a centralized control system, a relay, a PLC3, a first inverter, a tested body, a battery simulator, a Can tool, a cooling system, a dynamometer base, an inverter, a dynamometer, a relay and a vibration sensor;
one end of the battery simulator is connected with a public power grid, and the other end of the battery simulator is connected with the first inverter, the first relay, the second inverter and the second relay; the other end of the first inverter is connected with the Can tool, the cooling system and the tested body; the other end of the second inverter is connected with the Can tool, the cooling system, the second relay and the dynamometer; the Can tool is also connected with the centralized control system; the tested body is connected with the dynamometer through the dynamometer base; the dynamometer base is also connected with the centralized control system; the dynamometer is also connected with the vibration sensor; the other end of the vibration sensor is connected with the PLC; the PLC is also connected with the first relay, the second relay and the centralized control system; the cooling system is also connected with the measured body, the dynamometer and the centralized control system.
The dynamometer base is provided with a shaft system, the rotating speed measurement and the torque measurement can be realized through the shaft system, and the dynamometer is physically connected with a measured body through the dynamometer base.
The voltage range of the battery simulator is 200-1200V, and the current is 1200A.
The rotating speed of the dynamometer is 20000rpm, the power is 300kW, and the torque is 550 Nm.
The rotating speed of the shaft system is 20000rpm, the power is 300kW, and the torque is 550 Nm.
The cooling system is filled with cooling liquid with the temperature of minus 40 to 105 ℃, and the flow rate is 2 to 30L/min.
The control method of the vibration detection framework of the electric power measuring machine comprises the steps that data analysis and recording are carried out on the rotating speed and the torque collected by a dynamometer base through centralized control, meanwhile, the voltage output by a battery simulator and the temperature and the flow of cooling liquid output by a cooling system are controlled, data analysis and recording are carried out, a PLC is used for collecting vibration signals of the dynamometer from time to time, and the PLC is used for carrying out on-off control on a first relay and a second relay; the battery simulator obtains electricity through a public power grid and supplies power to the first inverter and the second inverter; the cooling system cools the dynamometer, the second inverter, the measured body and the first inverter; the Can tool receives signals of a centralized control system to control the rotating speed or the torque of the first inverter and the second inverter; the first inverter controls the rotation speed or the torque of a detected body; the second inverter is used for controlling the rotating speed or the torque of the dynamometer; the first relay is used for controlling the on-off of the first inverter; the second relay is used for controlling the on-off of the second inverter; the vibration sensor detects the vibration condition of the dynamometer at any time and uploads the vibration condition to the centralized control system through the PLC.
The working principle is as follows: the battery simulator obtains electricity through a public power grid and supplies power to the first inverter and the second inverter at the same time; the centralized control system respectively controls the rotating speed and the torque of the tested body and the dynamometer through a Can tool through a first inverter and a second inverter, records relevant test data and performs relevant tests; the PLC detects the vibration of the dynamometer through the vibration sensor, when the vibration sensor reports that vibration data exceed a required value, the centralized control system sends off signals to the first relay and the second relay through the PLC, the power supply of the first inverter and the second inverter is disconnected, all instructions of the first inverter and the second inverter are cleared through the Can tool, the whole system stops, the test is stopped, and the dynamometer and a tested body are protected.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. The dynamometer vibration detection architecture is characterized by comprising a centralized control system, a first relay, a PLC, a first inverter, a tested body, a battery simulator, a Can tool, a cooling system, a dynamometer base, a second inverter, a dynamometer, a second relay and a vibration sensor;
one end of the battery simulator is connected with a public power grid, and the other end of the battery simulator is connected with the first inverter, the first relay, the second inverter and the second relay; the other end of the first inverter is connected with the Can tool, the cooling system and the tested body; the other end of the second inverter is connected with the Can tool, the cooling system, the second relay and the dynamometer; the Can tool is also connected with the centralized control system; the tested body is connected with the dynamometer through the dynamometer base; the dynamometer base is also connected with the centralized control system; the dynamometer is also connected with the vibration sensor; the other end of the vibration sensor is connected with the PLC; the PLC is also connected with the first relay, the second relay and the centralized control system; the cooling system is also connected with the measured body, the dynamometer and the centralized control system.
2. The dynamometer vibration detection architecture of claim 1, wherein the dynamometer base has a shaft system, and rotation speed measurement and torque measurement are achieved through the shaft system, and the dynamometer is physically connected with a measured object through the dynamometer base.
3. The dynamometer vibration detecting architecture of claim 1, wherein the voltage range of the battery simulator is 200-1200V and the current is 1200A.
4. The dynamometer vibration detection architecture of claim 1, wherein the dynamometer has a speed of 20000rpm, 300kW power, 550Nm torque.
5. The dynamometer vibration detection architecture of claim 1, wherein the rotation speed of the shaft system is 20000rpm, power is 300kW, and torque is 550 Nm.
6. The dynamometer vibration detection architecture of claim 1, wherein the cooling system has a cooling fluid at-40-105 ℃ and a flow rate of 2-30L/min.
7. The control method of the vibration detection architecture of the electric power measuring machine is characterized in that the centralized control analyzes and records the rotation speed and the torque collected by the base of the power measuring machine, controls the voltage output by the battery simulator, controls the temperature and the flow of the cooling liquid output by the cooling system, analyzes and records the data, collects the vibration signals of the power measuring machine from time to time by the vibration sensor through the PLC, and controls the on-off of the first relay and the second relay through the PLC; the battery simulator obtains electricity through a public power grid and supplies power to the first inverter and the second inverter; the cooling system cools the dynamometer, the second inverter, the measured object and the first inverter; the Can tool receives signals of a centralized control system to control the rotating speed or the torque of the first inverter and the second inverter; the first inverter controls the rotation speed or the torque of a detected body; the second inverter is used for controlling the rotating speed or the torque of the dynamometer; the first relay is used for controlling the on-off of the first inverter; and the second relay is used for controlling the on-off of the second inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210575239.6A CN115112225A (en) | 2022-05-25 | 2022-05-25 | Dynamometer vibration detection framework and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210575239.6A CN115112225A (en) | 2022-05-25 | 2022-05-25 | Dynamometer vibration detection framework and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115112225A true CN115112225A (en) | 2022-09-27 |
Family
ID=83325923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210575239.6A Pending CN115112225A (en) | 2022-05-25 | 2022-05-25 | Dynamometer vibration detection framework and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115112225A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115113041A (en) * | 2022-05-25 | 2022-09-27 | 中国第一汽车股份有限公司 | Shafting vibration detection framework and control method of motor test system |
-
2022
- 2022-05-25 CN CN202210575239.6A patent/CN115112225A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115113041A (en) * | 2022-05-25 | 2022-09-27 | 中国第一汽车股份有限公司 | Shafting vibration detection framework and control method of motor test system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102854473B (en) | Automatic test and diagnosis system and method of power batteries of electric automobile | |
| US11327121B2 (en) | Deviation detection system for energy storage system | |
| CN103683428B (en) | A kind of battery management system for electric automobile and electric automobile | |
| CN103576046B (en) | Storage battery system having storage battery protector and diagnostic device, and diagnostic method thereof | |
| CN106990357A (en) | Intelligent electric machine integrated form multi-parameter fusion Gernral Check-up and early warning system | |
| CN202770974U (en) | Electric vehicle power battery automatic test and diagnosis system | |
| CN106842031A (en) | Integrated motor intellectuality big data on-Line Monitor Device | |
| CN106443545B (en) | Fault diagnosis and positioning system and method for battery management system of pure electric vehicle | |
| CN201887127U (en) | Intelligent monitoring and repairing control system of lead-acid battery | |
| CN105620304A (en) | Battery pack thermal buckling monitoring device and electric vehicle | |
| CN115112225A (en) | Dynamometer vibration detection framework and control method | |
| CN107589377B (en) | battery pack running state acquisition device | |
| CN207440262U (en) | Dynamic lithium battery group real-time monitoring system | |
| CN106058334A (en) | Novel battery management system | |
| CN105259458A (en) | Device and method for verifying insulation monitoring accuracy and leakage protection of battery pack management system | |
| CN103698727A (en) | Method for monitoring short-circuit fault of current sensor of electric vehicle | |
| CN115113041A (en) | Shafting vibration detection framework and control method of motor test system | |
| CN104316812A (en) | Temperature acquisition fault diagnosis method in battery management system | |
| CN106950497B (en) | Strong electricity management and test device for new energy automobile motor test | |
| CN207190807U (en) | High tension loop welding detection means and system | |
| US10333182B2 (en) | Estimation of cell voltage excursion in the presence of battery pack sensing faults | |
| CN214201721U (en) | Helicopter electrical power generating system fault locating device | |
| CN212872810U (en) | System for detecting functions of battery management system | |
| KR20110002905A (en) | The method of managing charge and discharge history of battery | |
| CN208606807U (en) | A kind of new-energy automobile electric air-conditioning electromechanical testing platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |