CN212031529U

CN212031529U - Overspeed rotating speed calibration device

Info

Publication number: CN212031529U
Application number: CN201921915191.9U
Authority: CN
Inventors: 方淑丹; 黄和芳; 方海旭
Original assignee: Shanghai Jinkang Electronic Instrument Co ltd
Current assignee: Shanghai Jinkang Electronic Instrument Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-11-27
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses an overspeed rotating speed checking device, which comprises a base, wherein a supporting seat is arranged above the base, a distribution box is arranged on the supporting seat, an operating platform is arranged at one end of the supporting seat far away from the base, the operating platform is provided with a plurality of operating buttons, one side of each operating button is provided with a checking device host, the outer side of the checking device host is provided with a display screen, the interior of the checking device host is provided with a driving module, one end of the driving module is electrically connected with the overspeed protection module, one end of the driving module, which is far away from the overspeed protection module, is electrically connected with the control system module, one end of the driving module is electrically connected with the information transmitting module, the information transmitting module is far away from the driving module and is electrically connected with the information receiving module, and one end of the information receiving module, which is far away from the information transmitting module, is electrically connected with the CPU processing module. Has the advantages that: therefore, the device and the machine are protected, and the verification is faster and more accurate.

Description

Overspeed rotating speed calibration device

Technical Field

The utility model relates to a measurement field particularly, relates to an overspeed rotational speed calibration equipment.

Background

The rotation speed is one of the most basic and important parameters in the generator equipment, and the ignition rotation speed during starting, the rotation speed adjustment during running, the parking protection during overspeed and even the load can be reflected by the rotation speed, so the rotation speed measurement is the basis of the monitoring protection of the generator. The rotation speed measurement is usually selected from the following sensors: an eddy current speed sensor, a passive magnetoelectric speed sensor, an active magnetoelectric speed sensor and the like. So far, in industries relating to large-scale rotating machinery equipment such as electric power (fire/hydraulic power plants), petrochemical industry, metallurgy and the like, different types of calibration equipment are researched and produced by domestic/foreign factories in the aspect of calibrating an overspeed rotating speed system of a shaft, but the equipment has no realization of calibration on the overspeed (rotating speed) system (a sensor, an overspeed protection system, a rotating speed meter and the like) all the time, and the equipment has poor standard property, small rotating speed adjusting range (the overspeed (rotating speed) system can not be calibrated in a low/ultra-low rotating speed section, intelligent data analysis/processing and communication functions are lacked, calibration is complicated, calibration data human factors are large, and even qualified overspeed (rotating speed) systems can be calibrated into unqualified systems.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overspeed rotational speed calibration equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an overspeed rotation speed calibration device, includes the base, the base top is equipped with the supporting seat, be equipped with the block terminal on the supporting seat, the supporting seat is kept away from base one end is equipped with the operation panel, be equipped with a plurality of operating button on the operation panel, operating button one side is equipped with the calibration device host computer, the calibration device host computer outside is equipped with the display screen, the inside drive module that is equipped with of calibration device host computer, drive module one end and overspeed protection module electric connection, drive module keeps away from overspeed protection module one end and control system module electric connection, drive module one end and information emission module electric connection, information emission module keeps away from drive module and information receiving module electric connection, information receiving module keeps away from information emission module one end and CPU processing module electric connection, CPU processing module both ends respectively with overspeed protection module with control system module electric connection.

Further, the CPU processing module is a CPU central processing unit.

Furthermore, the driving module is composed of a motor driving module and a gear driving module.

Furthermore, the control system module is composed of a programmable controller, an alternating current frequency converter and an encoder.

Furthermore, the overspeed protection module is composed of a rotary speed measurement module and a standard speed measurement module.

Furthermore, a plurality of idler wheels are arranged at the bottom of the base, and a heat dissipation window is arranged on the supporting seat.

The utility model provides an overspeed rotational speed calibration equipment, beneficial effect as follows:

(1) the control system module is arranged to control the driving module, so that servo control with higher precision and quicker response is realized, and meanwhile, the external data transmission function is achieved. Through being equipped with information receiving module and information transmitting module to information routing gives CPU processing module and handles, sends respectively to overspeed protection module and control system module after handling, through being equipped with overspeed protection module, thereby plays the effect of protection to equipment machinery, thereby makes the check-up more quick and accurate.

(2) The CPU is arranged, so that the information can be processed and transmitted to the overspeed protection module and the control system module. Through being equipped with programmable controller, interchange converter and encoder to play the effect of controlling this system, guaranteed the true accuracy of check-up result, through being equipped with rotatory module and the standard module of testing the speed, thereby accomplish the measurement to gear and motor speed.

(3) Through being equipped with the gyro wheel to let the calibration equipment play the effect of convenient removal. Through being equipped with the heat dissipation window to play the radiating effect of being convenient for, prolonged calibration equipment's life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an overspeed rotation speed verifying apparatus according to an embodiment of the present invention;

fig. 2 is a system diagram of an overspeed speed verifying apparatus according to an embodiment of the present invention.

Reference numerals:

1. a base; 2. a supporting seat; 3. a distribution box; 4. an operation table; 5. an operation button; 6. Verifying the device host; 7. a display screen; 8. a drive module; 9. an overspeed protection module; 10. A control system module; 11. an information transmitting module; 12. an information receiving module; 13. a CPU processing module; 14. a programmable controller; 15. an AC frequency converter; 16. an encoder; 17. a rotation speed measuring module; 18. a standard speed measuring module; 19. a roller; 20. a heat dissipation window; 21. a motor drive module; 22. and a gear drive module.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-2, an overspeed rotation speed calibration apparatus according to an embodiment of the present invention includes a base 1, a support base 2 is disposed above the base 1, a distribution box 3 is disposed on the support base 2, an operation console 4 is disposed at an end of the support base 2 away from the base 1, a plurality of operation buttons 5 are disposed on the operation console 4, a calibration apparatus host 6 is disposed at one side of the operation buttons 5, a display 7 is disposed outside the calibration apparatus host 6, a driving module 8 is disposed inside the calibration apparatus host 6, one end of the driving module 8 is electrically connected to an overspeed protection module 9, an end of the driving module 8 away from the overspeed protection module 9 is electrically connected to a control system module 10, one end of the driving module 8 is electrically connected to an information transmitting module 11, and the information transmitting module 11 is electrically connected to an information receiving module 12 away from the driving module 8, the end of the information receiving module 12, which is far away from the information transmitting module 11, is electrically connected to a CPU processing module 13, and both ends of the CPU processing module 13 are electrically connected to the overspeed protection module 9 and the control system module 10, respectively.

Through the above technical scheme of the utility model, beneficial effect: the control system module 10 is arranged to control the driving module 8, so that servo control with higher precision and faster response is realized, and meanwhile, the function of external data transmission is achieved. The information receiving module 12 and the information transmitting module 11 are arranged, so that the information is sent to the CPU processing module 13 to be processed, and then is sent to the overspeed protection module 9 and the control system module 10 respectively after being processed, and the overspeed protection module 9 is arranged, so that the equipment is protected, and the verification is faster and more accurate.

Example two:

referring to fig. 2, for the CPU processing module 13, the CPU processing module 13 is a CPU central processing unit. As for the drive module 8, the drive module 8 is composed of a motor drive module 21 and a gear drive module 22. For the control system module 10, the control system module 10 is composed of a programmable controller 14, an ac frequency converter 15, and an encoder 16. For the overspeed protection module 9, the overspeed protection module 9 is composed of a rotational speed measurement module 17 and a standard speed measurement module 18.

Through the above technical scheme of the utility model, beneficial effect: by providing a CPU, the processing of the information can be done before it is transmitted to the overspeed protection module 9 and the control system module 10. The system is controlled by the aid of the programmable controller 14, the alternating-current frequency converter 15 and the encoder 16, so that the checking result is true and accurate, and the gear and motor rotating speed is measured by the aid of the rotary speed measuring module 17 and the standard speed measuring module 18.

Example three:

referring to fig. 1, for the base 1, a plurality of rollers 19 are disposed at the bottom of the base 1, and a heat dissipation window 20 is disposed on the supporting base 2.

Through the above technical scheme of the utility model, beneficial effect: the roller 19 is arranged, so that the checking device can be conveniently moved. Through being equipped with heat dissipation window 20 to play the radiating effect of being convenient for, prolonged calibration equipment's life.

To sum up, with the aid of the above technical scheme of the utility model, theory of operation and all beneficial effects: the control system module 10 is arranged to control the driving module 8, so that servo control with higher precision and faster response is realized, and meanwhile, the function of external data transmission is achieved. The information receiving module 12 and the information transmitting module 11 are arranged, so that the information is sent to the CPU processing module 13 to be processed, and then is sent to the overspeed protection module 9 and the control system module 10 respectively after being processed, and the overspeed protection module 9 is arranged, so that the equipment is protected, and the verification is faster and more accurate. By providing a CPU, the processing of the information can be done before it is transmitted to the overspeed protection module 9 and the control system module 10. The system is controlled by the aid of the programmable controller 14, the alternating-current frequency converter 15 and the encoder 16, so that the checking result is true and accurate, and the gear and motor rotating speed is measured by the aid of the rotary speed measuring module 17 and the standard speed measuring module 18. The roller 19 is arranged, so that the checking device can be conveniently moved. Through being equipped with heat dissipation window 20 to play the radiating effect of being convenient for, prolonged calibration equipment's life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The overspeed rotating speed checking device is characterized by comprising a base (1), wherein a supporting seat (2) is arranged above the base (1), a distribution box (3) is arranged on the supporting seat (2), the supporting seat (2) is far away from one end of the base (1) and is provided with an operating platform (4), a plurality of operating buttons (5) are arranged on the operating platform (4), a checking device host (6) is arranged on one side of each operating button (5), a display screen (7) is arranged on the outer side of the checking device host (6), a driving module (8) is arranged inside the checking device host (6), one end of the driving module (8) is electrically connected with an overspeed protection module (9), one end of the driving module (8) is far away from the overspeed protection module (9) and is electrically connected with a control system module (10), and one end of the driving module (8) is electrically connected with an information transmitting module (11), the information transmitting module (11) is far away from the driving module (8) and is electrically connected with the information receiving module (12), one end, far away from the information transmitting module (11), of the information receiving module (12) is electrically connected with the CPU processing module (13), and two ends of the CPU processing module (13) are respectively electrically connected with the overspeed protection module (9) and the control system module (10).

2. Overspeed verification device according to claim 1, characterized in that said CPU processing module (13) is a CPU central processing unit.

3. Overspeed verification device according to claim 2, characterized in that said drive module (8) is constituted by a motor drive module (21) and a gear drive module (22).

4. Overspeed verification device according to claim 3, characterized in that said control system module (10) is constituted by a programmable controller (14), an AC frequency converter (15) and an encoder (16).

5. Overspeed speed verifying device according to claim 4, characterized in that said overspeed protection module (9) is composed of a rotation speed measuring module (17) and a standard speed measuring module (18).

6. The overspeed verification device of claim 5 wherein said base (1) has a plurality of rollers (19) at the bottom thereof, and said support base (2) has heat dissipating windows (20) thereon.