DE202023105164U1 - Device for automatically detecting the magnetization test temperature of the stator core of a generator - Google Patents

Abstract

An apparatus for automatically detecting the magnetization test temperature of the stator core of a generator, comprising a vehicle body body on which a drive module, a detection module, a control module, a communication module and a power supply module that supplies power to the respective modules are installed, characterized in that the drive module has two independent driving wheels disposed on both sides of the central part of the vehicle body body and universal wheels disposed on the front and rear of the bottom of the vehicle body body, the vehicle body body being provided with an electromagnetic shielding structure to suppress the interference of the strong electromagnetism of the external environment on the internal electrical components to shield the detection device during the detection process.

Description

TECHNICAL FIELD

The present utility model relates to the technical field of detecting the magnetization test of the stator core of a generator, in particular a device for automatically detecting the magnetization test temperature of the stator core of a generator.

STATE OF THE ART

At present, the task of detecting the stator core magnetization test temperature of a generator is mainly done manually by testing personnel, but the detection work requires a lot of manpower and time; secondly, manual detection involves a certain degree of danger due to the strong magnetic field generated during the testing process and extremely large noise. Therefore, there is a need to develop a device for automatically detecting the magnetization test temperature of the stator core of a generator.

The Chinese patent document CN109079740A discloses a substation inspection robot comprising a base body, a data acquisition module, a main control module, a motion control module, a temperature control module, a communication module and a power management module, wherein the base body of the robot adopts the structure of a four-wheeled robot cart; the data acquisition module performs the detection of the environment by means of a sensor, including the detection of the video image, the infrared temperature, the real-time position and the operating status and the transmission of the detected information to the main control module of the robot; the main control module is the data processing and logic control center of the robot; the motion control module performs centralized control of the actions of the various moving parts of the robot; the temperature control module includes a fan, a temperature sensor, an electric heater and a PLC; the communication module adopts wireless communication mode to transmit the data of video image, infrared temperature, real-time position and operating status to the local background monitoring subsystem in real time. The disadvantages are: the deflection structure is complicated, so the control is also more complicated, and there is no strong magnetic field shielding structure, and the robot cannot be applied to an environment with a strong magnetic field.

CONTENT OF THIS USER MODEL

The technical problem to be solved by the present utility model is to provide a device for automatically detecting the magnetization test temperature of the stator core of a generator in order to solve the problems in the prior art, which is the drive module two independent driving wheels and universal wheels located at the front and rear of the bottom of the vehicle body body, by controlling the forward and reverse rotation of the two independent driving wheels, the vehicle body body can be conveniently controlled to be steered in situ, and the vehicle body body is with an electromagnetic shielding structure capable of shielding the interference of the strong electromagnetism of the external environment on the internal electrical components of the detection device during the detection process.

In order to achieve the above technical features, the purpose of the present utility model is realized as follows: a device for automatically detecting the magnetization test temperature of the stator core of a generator comprising a vehicle body body on which a drive module, a detection module, a control module, a communication module and a power supply module that supplies power to the respective modules are installed, wherein the drive module includes two independent drive wheels arranged on both sides of the central part of the vehicle body body and universal wheels located on the front and rear of the floor of the vehicle body body, and wherein the vehicle body body is provided with an electromagnetic shielding structure is provided to shield the interference of the strong electromagnetism of the external environment on the internal electrical components of the detection device during the detection process.

The electromagnetic shielding structure includes a bottom plate, an outer cover, an upper support plate and a wheel cover that form a shielding space, the bottom plate being located at the bottom of the vehicle body body, and the outer cover being installed on the upper edge of the floor plate and surrounding the vehicle body body, and wherein the upper support plate is installed above the outer cover, and wherein the wheel cover is installed in a groove-like structure between the upper support plate and the bottom plate to isolate the drive wheels.

Opening and closing inspection cover plates are arranged on the front and back of the outer cover, a shielding sealing strip for sealing being arranged at the connection and sealing point between the inspection cover plate and the outer cover, and wherein at the connection point of the outer cover with the base plate and A conductive foam is arranged on the upper support plate for sealing.

The drive wheel includes an installation bracket, a drive motor, a wheel hub bearing seat, a wheel and a tension spring, one end of the installation bracket being hinged to the vehicle body body and the other end connected to the tension spring, and the lower end of the tension spring being fixedly installed on the vehicle body body , and wherein the drive motor is installed on one side of the central part of the installation bracket and the wheel hub bearing seat is installed on the other side, and the wheel is installed on the wheel hub bearing seat, and the output shaft of the drive motor is inserted into the wheel hub bearing seat to drive the wheel to rotate .

The detection module includes a gyroscope, a lidar, a pan-tilt head, a temperature and humidity sensor and a safety edge anti-collision strip, the gyroscope being installed inside the vehicle body body, and the lidar being installed on the upper support plate, and wherein a pan-tilt head support seat is installed on the top edge of the upper support plate, and the pan-tilt head is installed on the top of the pan-tilt head support seat, and the temperature and humidity sensor is installed inside the vehicle body is installed and its probe protrudes from the vehicle body body, and the safety edge anti-collision strip is installed on a side surface of the vehicle body body to detect an obstacle.

The present invention further includes a human-computer interaction module that includes an emergency stop button, a power button, a power indicator light, an external USB interface, and a network port, wherein the emergency stop button, the power button, and the power indicator light are on, respectively are installed on the vehicle body body, and wherein the external USB interface and the network connector are installed on the vehicle body body and electrically connected to the control module.

1. 1. es handelt sich bei dem Antriebsmodul um zwei unabhängige Antriebsräder und Universalräder, die sich an der Vorderseite und Hinterseite des Bodens des Fahrzeugkarosseriekörpers befinden, durch eine Steuerung der Vorwärts- und Rückwärtsdrehung der beiden unabhängigen Antriebsräder kann der Fahrzeugkarosseriekörper bequem dazu angesteuert werden, in situ gelenkt zu werden, somit wird die Lenkungssteuerung einfacher, und der Fahrzeugkarosseriekörper ist mit einer elektromagnetischen Abschirmstruktur versehen, die in der Lage ist, die Störungen des starken Elektromagnetismus der äußeren Umgebung auf die internen elektrischen Komponenten der Erkennungsvorrichtung während des Erkennungsprozesses abzuschirmen;
2. 2. die Bodenplatte befindet sich am Boden des Fahrzeugkarosseriekörpers, die äußere Abdeckung ist an der Oberkante der Bodenplatte installiert und umgibt den Fahrzeugkarosseriekörper, die obere Trägerplatte ist oberhalb der äußeren Abdeckung installiert, die Radabdeckung ist in einer nutenartigen Struktur zwischen der oberen Trägerplatte und der Bodenplatte installiert, um die Antriebsräder zu isolieren, die Störungen des starken Elektromagnetismus der äußeren Umgebung auf die internen elektrischen Komponenten der Erkennungsvorrichtung während des Erkennungsprozesses abzuschirmen;
3. 3. durch eine Steuerung der Vorwärts- und Rückwärtsdrehung des Antriebsmotors kann die Erkennungsvorrichtung einfach und bequem zur Lenkung angesteuert werden, so dass die Erkennungsvorrichtung mit einer Geschwindigkeit von bis zu 1 m/s auf ebenem Boden fahren kann; die Spannfeder kann den Druck zwischen dem Rad und dem Boden sicherstellen, um eine ausreichende Reibkraft zu bieten;
4. 4. ein Sicherheitskanten-Antikollisionsstreifen wird für die Erkennung eines Hindernisses angeordnet, um die sichere Bewegung der Erkennungsvorrichtung zu gewährleisten.

The present utility model has the following advantageous effects:

1. 1. The drive module is two independent drive wheels and universal wheels, which are located at the front and rear of the bottom of the vehicle body body, by controlling the forward and reverse rotation of the two independent drive wheels, the vehicle body body can be conveniently controlled to operate in situ to be steered, thus steering control becomes easier, and the vehicle body body is provided with an electromagnetic shielding structure capable of shielding the interference of the strong electromagnetism of the external environment on the internal electrical components of the detection device during the detection process;
2. 2. The bottom plate is located at the bottom of the vehicle body body, the outer cover is installed on the top edge of the bottom plate and surrounds the vehicle body body, the upper support plate is installed above the outer cover, the wheel cover is in a groove-like structure between the upper support plate and the bottom plate installed to isolate the driving wheels, shield the interference of the strong electromagnetism of the external environment on the internal electrical components of the detection device during the detection process;
3. 3. By controlling the forward and reverse rotation of the drive motor, the detection device can be easily and conveniently controlled for steering, so that the detection device can travel at a speed of up to 1 m/s on flat ground; the tension spring can ensure the pressure between the wheel and the ground to provide sufficient friction force;
4. 4. A safety edge anti-collision strip is arranged for obstacle detection to ensure the safe movement of the detection device.

SHORT NOTATION OF DRAWINGS

• 1 shows a schematic diagram of the structure of the main view of the present utility model.
• 2 shows a schematic diagram of the three-dimensional structure of the present utility model.
• 3 shows a schematic diagram of the internal structure of the vehicle body body of the present utility model.
• 4 shows a schematic diagram of the internal structure of the vehicle body body pers of the present utility model from a different perspective.
• 5 shows a block diagram of the connection between electrical elements of the present utility model.

Reference symbol list

9

Lidar

12

Universal wheel

13

Safety edge anti-collision strips

14

wheel

15

Outer cover

16

Inspection cover plate

18

Emergency button

20

Pan-tilt head support seat

21

Pan-tilt head

23

Temperature and humidity sensor

24

Upper support plate

26

Power indicator light

27

Network connection

28

Power switch

29

USB interface

30

Shielding seal strips

32

Conductive foam

34

Wheel cover

36

base plate

42

gyroscope

43

Installation bracket

44

drive motor

45

Wheel hub bearing seat

47

tension spring

DETAILED DESCRIPTION

The embodiments of the present utility model are explained in more detail below in connection with figures.

Referring to 1 until 5 , a device for automatically detecting the magnetization test temperature of the stator core of a generator, comprising a vehicle body body on which a drive module, a detection module, a control module, a communication module and a power supply module that supplies power to the respective modules are installed, the drive module being two on independent driving wheels 12 disposed on both sides of the middle part of the vehicle body body and universal wheels 12 located on the front and rear of the bottom of the vehicle body body, and wherein the vehicle body body is provided with an electromagnetic shielding structure to prevent the interference of the electromagnetism of the external environment on the internal electrical components to shield the detection device during the detection process. The drive module is two independent drive wheels and universal wheels, which are located at the front and rear of the bottom of the vehicle body body, by controlling the forward and reverse rotation of the two independent drive wheels, the vehicle body body can be conveniently controlled to steer in situ thus, the steering control becomes easier, and the vehicle body body is provided with an electromagnetic shielding structure capable of shielding the interference of the strong electromagnetism of the external environment on the internal electrical components of the detection device during the detection process.

The control module can preferably accept PLC or Raspberry Pi.

In particular, the universal wheels 12 may be provided in a number of 3, wherein two universal wheels 12 are arranged on the front part of the vehicle body body, and one universal wheel 12 is arranged on the rear part of the vehicle body body.

Referring to 1 until 4 , the electromagnetic shielding structure includes a bottom plate 36, an outer cover 15, an upper support plate 24 and a wheel cover 34, which form a shielding space, the bottom plate 36 being located at the bottom of the vehicle body body, and the outer cover 15 being located at the top edge of the bottom plate 36 is installed and surrounds the vehicle body body, and wherein the upper support plate 24 is installed above the outer cover 15, and wherein the wheel cover 34 is installed in a groove-like structure between the upper support plate 24 and the floor plate 36 to isolate the driving wheels. To shield the interference of the strong electromagnetism of the external environment on the internal electrical components of the detection device during the detection process;

To facilitate inspection and commissioning, inspection cover plates 16 that can be opened and closed are arranged on the front and back of the outer cover 16, at the same time on the connecting and at the sealing point between the inspection cover plate 16 and the outer cover 15, a shielding sealing strip 30 is arranged for sealing, wherein at the junction of the outer cover 15 with the bottom plate 36 and the upper support plate 24, a conductive foam 32 is arranged for sealing in order to more completely seal the electromagnetic shielding structure make.

Referring to 3 , the drive wheel 14 includes in particular an installation bracket 43, a drive motor 44, a wheel hub bearing seat 45, a wheel 14 and a tension spring 47, one end of the installation bracket 43 being hinged to the vehicle body body and the other end being connected to the tension spring 47, and wherein the lower end of the tension spring 47 is fixedly installed on the vehicle body body, and the drive motor 44 is installed on one side of the central part of the installation bracket 43 and the wheel hub bearing seat 45 is installed on the other side, and the wheel 14 is installed on the wheel hub bearing seat 45, and wherein the output shaft of the drive motor 44 is inserted into the wheel hub bearing seat 45 to drive the wheel 14 to rotate. By controlling the forward and reverse rotation of the drive motor 44, the detection device can be easily and conveniently controlled for steering, so that the detection device can travel at a speed of up to 1 m/s on flat ground. The tension spring 47 can ensure the pressure between the wheel 14 and the ground to provide sufficient friction force. In a preferred solution, the drive motor 44 is a servo motor or a stepper motor, the control module is electrically connected to the drive device of the drive motor 44, then the drive device is electrically connected to the drive motor 44.

Referring to 1 until 3 , the detection module includes a gyroscope 42, a lidar 9, a pan-tilt head 21, a temperature and humidity sensor 23 and a safety edge anti-collision strip 13, the gyroscope 42 being installed inside the vehicle body body, and the lidar 9 on the upper support plate 24 is installed, and a pan-tilt head support seat 20 is installed on the upper edge of the upper support plate 24, and the pan-tilt head 21 is installed on the top of the pan-tilt head support seat 20 and wherein the temperature and humidity sensor 23 is installed inside the vehicle body body and its probe protrudes from the vehicle body body, and the safety edge anti-collision strip 13 is installed on a side surface of the vehicle body body to detect an obstacle. The lidar 9 builds a map of the environment and cooperates with the gyroscope 42 to ensure accurate navigation in the work of the recognition device; the safety edge anti-collision strip 13 is used to detect an obstacle to ensure safe movement of the detection device; the pan-tilt head 21 is provided with a light camera and a thermal imaging camera to capture the image information and upload it to the back-end system via the communication module, thereby assessing and analyzing the condition of the equipment; the temperature and humidity sensor 23 can detect the temperature and humidity in the air and transmit the data to the control module.

The TL740D gyroscope model is preferred;
The lidar model is preferred: Pepperl+Fuchs-OMD30M-R2000-B23-V1V1D-HD-L;
The preferred pan-tilt head model is: PT306 HD bispectral integrated pan-tilt head;
The preferred model of temperature and humidity sensor is: RS-WS-N01-1A-5;
Preferably, the safety edge anti-collision strip adopts a “multi-angle safety edge anti-collision strip” which is from CN 217108190 U is revealed.

Referring to 1 until 3 , to facilitate commissioning and control of the detection device, the present invention further comprises a human-computer interaction module having an emergency stop button 18, a power switch 28, a power indicator light 26, an external USB interface 29 and a network connection 27. wherein the emergency stop button 18, the power switch 28 and the power indicator light 26 are respectively installed on the vehicle body body, and the USB interface 29 and the network port 27 are installed on the vehicle body body and electrically connected to the control module. The emergency stop button 18 is used to cut off power to the motor when the detection device encounters an emergency; the power switch 28 is the general power switch of the detection device; The operation indicator light 29 is used for the recognition device to indicate the operating state of the vehicle body body, and adopts a three-color LED hemisphere lamp, thereby displaying the operating state of the recognition device through the color change, and the USB interface 29 and the network port 27 are used for commissioning the recognition device is used.

• das Stromversorgungsmodul ist mit dem Steuermodul elektrisch verbunden, wobei das Steuermodul jeweils mit dem Antriebsmodul, dem Erkennungsmodul und dem Kommunikationsmodul elektrisch verbunden ist; wenn der Magnetisierungstest des Ständerkerns des Generators beginnt, wird der Netzschalter 28 eingeschaltet, wenn nach dem Start der Erkennungsvorrichtung die beiden Antriebsmotoren 44 sich gleichzeitig in gleiche Richtung drehen, wird die Erkennungsvorrichtung dazu angetrieben, sich vorwärts oder rückwärts zu bewegen, wenn die beiden Antriebsmotoren 44 sich in entgegengesetzte Richtung drehen, wird die Erkennungsvorrichtung dazu angetrieben, in situ die Richtung zu ändern. Das Lidar 9 errichtet eine Umgebungskarte und arbeitet mit dem Gyroskop 42 zusammen, um eine genaue Navigation bei der Arbeit der Erkennungsvorrichtung sicherzustellen; der Sicherheitskanten-Antikollisionsstreifen 13 wird zur Erkennung eines Hindernisses verwendet, um eine sichere Bewegung der Erkennungsvorrichtung zu garantieren; der Pan-Tilt-Kopf 21 ist mit einer Licht-Kamera und einer Wärmebildkamera versehen, um die Bildinformationen zu erfassen und diese über das Kommunikationsmodul in das Backend-System hochzuladen, wodurch der Zustand der Ausrüstung beurteilt und zu analysiert wird; der Temperatur- und Feuchtigkeitssensor 23 kann die Temperatur und Feuchtigkeit in der Luft erkennen und die Daten ans Steuermodul übertragen.

The workflow and principle of the present utility model are as follows:

• the power supply module is electrically connected to the control module, whereby the Control module is electrically connected to the drive module, the detection module and the communication module, respectively; when the magnetization test of the stator core of the generator begins, the power switch 28 is turned on, when after the detection device is started, the two drive motors 44 rotate in the same direction at the same time, the detection device is driven to move forward or backward when the two drive motors 44 rotate in the opposite direction, the detection device is driven to change direction in situ. The lidar 9 builds a map of the environment and cooperates with the gyroscope 42 to ensure accurate navigation in the work of the recognition device; the safety edge anti-collision strip 13 is used to detect an obstacle to ensure safe movement of the detection device; the pan-tilt head 21 is provided with a light camera and a thermal imaging camera to capture the image information and upload it to the back-end system via the communication module, thereby assessing and analyzing the condition of the equipment; the temperature and humidity sensor 23 can detect the temperature and humidity in the air and transmit the data to the control module.

QUOTES INCLUDED IN THE DESCRIPTION

This list of documents listed by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• CN 109079740 A [0003]
• CN 217108190 U [0020]

Claims (6)

An apparatus for automatically detecting the magnetization test temperature of the stator core of a generator, comprising a vehicle body body on which a drive module, a detection module, a control module, a communication module and a power supply module that supplies power to the respective modules are installed, characterized in that the drive module has two independent driving wheels disposed on both sides of the central part of the vehicle body body and universal wheels disposed on the front and rear of the bottom of the vehicle body body, the vehicle body body being provided with an electromagnetic shielding structure to suppress the interference of the strong electromagnetism of the external environment on the internal electrical components to shield the detection device during the detection process. Device for automatically detecting the magnetization test temperature of the stator core of a generator Claim 1 , characterized in that the electromagnetic shielding structure comprises a base plate (36), an outer cover (15), an upper support plate (24) and a wheel cover (34) which form a shielding space, the base plate (36) being at the bottom of the vehicle body body, and wherein the outer cover (15) is installed on the upper edge of the floor panel (36) and surrounds the vehicle body body, and wherein the upper support plate (24) is installed above the outer cover (15), and wherein the wheel cover (34 ) is installed in a groove-like structure between the upper support plate (24) and the bottom plate (36) to isolate the drive wheels. Device for automatically detecting the magnetization test temperature of the stator core of a generator Claim 2 , characterized in that inspection cover plates (16) that can be opened and closed are arranged on the front and back of the outer cover (16), with a shielding sealing strip at the connection and sealing point between the inspection cover plate (16) and the outer cover (15). (30) is arranged for sealing, and wherein a conductive foam (32) is arranged for sealing at the connection point of the outer cover (15) with the base plate (36) and the upper support plate (24). Device for automatically detecting the magnetization test temperature of the stator core of a generator Claim 1 , characterized in that the drive wheel (14) comprises an installation bracket (43), a drive motor (44), a wheel hub bearing seat (45), a wheel (14) and a tension spring (47), one end of the installation bracket (43). the vehicle body body and the other end is connected to the tension spring (47), and wherein the lower end of the tension spring (47) is fixedly installed on the vehicle body body, and wherein on one side of the middle part of the installation bracket (43) the drive motor (44) and on the other side, the wheel hub bearing seat (45) is installed, and wherein the wheel (14) is installed on the wheel hub bearing seat (45), and wherein the output shaft of the drive motor (44) is inserted into the wheel hub bearing seat (45) to drive the wheel (14) to drive rotation. Device for automatically detecting the magnetization test temperature of the stator core of a generator Claim 1 , characterized in that the detection module comprises a gyroscope (42), a lidar (9), a pan-tilt head (21), a temperature and humidity sensor (23) and a safety edge anti-collision strip (13), the gyroscope (42) is installed inside the vehicle body body, and wherein the lidar (9) is installed on the upper support plate (24), and wherein a pan-tilt head support seat (20) is installed on the upper edge of the upper support plate (24). and wherein the pan-tilt head (21) is installed at the top of the pan-tilt head support seat (20), and wherein the temperature and humidity sensor (23) is installed inside the vehicle body body and its probe protruding from the vehicle body body, and wherein the safety edge anti-collision strip (13) is installed on a side surface of the vehicle body body to detect an obstacle. Device for automatically detecting the magnetization test temperature of the stator core of a generator Claim 1 , characterized in that it further comprises a human-computer interaction module having an emergency stop button (18), a power switch (28), a power indicator light (26), an external USB interface (29) and a network connection ( 27), wherein the emergency stop button (18), the power switch (28) and the power indicator light (26) are respectively installed on the vehicle body body, and wherein the external USB interface (29) and the network port (27) are connected installed on the vehicle body and electrically connected to the control module.

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