CN207424235U - A kind of measuring device of electromagnetic needle selector electromagnetic force - Google Patents

Abstract

The utility model relates to a measuring device for the electromagnetic force of an electromagnetic needle selector, which is used for measuring the electromagnetic force of the electromagnetic needle selector. Adjust the platform, force sensor, data acquisition module and motor drive module, and supply power to them; place the force sensor and electromagnetic needle selector on the electric three-degree-of-freedom micro-displacement adjustment platform; install the sensor probe on the force sensor; The data acquisition module is respectively connected to the voltage transmitter and the PC; the motor drive module is connected to the electric three-degree-of-freedom micro-displacement adjustment platform in turn, so that the motor drive module drives the electric three-degree-of-freedom micro-displacement adjustment platform. The measuring device for the electromagnetic force of the electromagnetic needle selector of the utility model can directly measure the static electromagnetic force of the electromagnetic needle selector, and has the advantages of convenient operation, accurate measurement and small measurement error.

Description

A measuring device for electromagnetic force of electromagnetic needle selector

【Technical field】

The utility model relates to a composition device of an electromagnetic needle selector, in particular to a measuring device for the electromagnetic force of the electromagnetic needle selector, and belongs to the technical field of needle selectors.

【Background technique】

The electromagnetic force of the electromagnetic needle selector in the prior art usually uses a Gauss meter to measure the magnetic induction at the air gap (or calculate the magnetic induction at the air gap through the magnetic circuit), then calculate the electromagnetic force according to the calculation formula of the electromagnetic attraction, and then Then, the electromagnetic force received by the needle selection blade is converted by the principle of leverage. This method not only has a complicated calculation process, but also has large errors.

Therefore, in order to solve the above technical problems, it is indeed necessary to provide an innovative measuring device for the electromagnetic force of the electromagnetic needle selector, so as to overcome the above-mentioned defects in the prior art.

【Content of utility model】

In order to solve the above technical problems, the purpose of this utility model is a measuring device for the electromagnetic force of the electromagnetic needle selector, which can directly measure the static electromagnetic force of the electromagnetic needle selector, and is easy to operate, accurate in measurement and small in measurement error.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a measuring device for the electromagnetic force of the electromagnetic needle selector, which is used to measure the electromagnetic force of the electromagnetic needle selector, which includes a power supply, a voltage transmitter, an electric three-freedom Degree micro-displacement adjustment platform, force sensor, sensor probe, data acquisition module, PC and motor drive module; wherein, the power supply is electrically connected to the electromagnetic needle selector, voltage transmitter, electric three-degree-of-freedom micro-displacement adjustment Platform, force sensor, data acquisition module and motor drive module, and power supply for it; the force sensor and electromagnetic needle selector are placed on the electric three-degree-of-freedom micro-displacement adjustment platform; the sensor probe is installed on the force-measuring On the sensor; the data acquisition module is respectively connected to the voltage transmitter and the PC; the motor drive module is connected to the electric three-degree-of-freedom micro-displacement adjustment platform in turn, so that the motor drive module drives the electric three-degree-of-freedom micro-displacement adjustment platform.

Compared with the prior art, the utility model has the following beneficial effects: the measuring device for the electromagnetic force of the electromagnetic needle selector of the utility model can directly measure the static electromagnetic force of the electromagnetic needle selector, and is easy to operate, accurate in measurement and small in measurement error .

【Description of drawings】

Fig. 1 is a structural schematic diagram of the electromagnetic force measuring device of the electromagnetic needle selector of the present invention.

【Detailed ways】

Please refer to the accompanying drawing 1 of the specification, the utility model is a measuring device for the electromagnetic force of an electromagnetic needle selector, which is used to measure the electromagnetic force of an electromagnetic needle selector 6, which consists of a power supply 1, a voltage transmitter 2, an electric The three-degree-of-freedom micro-displacement adjustment platform 3, the force sensor 4, the sensor probe 5, the data acquisition module 7, the PC 8 and the motor drive module 9 are composed of several parts.

Wherein, the power supply 1 is electrically connected to the electromagnetic needle selector 6, the voltage transmitter 2, the electric three-degree-of-freedom micro-displacement adjustment platform 3, the force sensor 4, the data acquisition module 7 and the motor drive module 9, and serves as a powered by.

The load cell 4 and the electromagnetic needle selector 6 are placed on the electric three-degree-of-freedom micro-displacement adjustment platform 3 . The sensor probe 5 is installed on the load cell 4 .

The data acquisition module 7 is connected to the voltage transmitter 2 and the PC 8 respectively.

The motor drive module 9 is connected to the electric three-degree-of-freedom micro-displacement adjustment platform 3 in sequence, so that the motor drive module 9 drives the electric three-degree-of-freedom micro-displacement adjustment platform 3 .

The measuring method of the measuring device of the electromagnetic force of the electromagnetic needle selector of the present utility model is as follows:

First, set the excitation voltage of the load cell 4, the driving voltage of the voltage transmitter 2, the data acquisition module 7 and the motor driving module 9 to the required size, and then power on these four devices.

The first step is to calibrate the test system, send instructions to the motor drive module 9 through the LabVIEW program on the PC 8, and drive the electric three-degree-of-freedom micro-displacement adjustment platform 3 through the motor drive module 9 to keep the electromagnetic needle selector 6 away from The sensor probe 5 is loaded with standard weights of 1g, 2g, 5g, 10g, 20g, 50g, 100g, and 200g on the sensor probe 5 to obtain corresponding voltages. The data is collected to the PC 8 through the data acquisition module 7, and the LabVIEW program is used to collect and process the voltage data on the PC 8, and then the linear correspondence between the load of the sensor 4 and the voltage is obtained.

The second step is to remove the weight, set the driving voltage of the electromagnetic needle selector 6 to the size required for the test and turn on the power, and then adjust the driving voltage of the electromagnetic needle selector 6 to keep the blade of the needle selector up and down. Then use the LabVIEW program on the PC 8 to send instructions to the motor drive module 9, drive the electric three-degree-of-freedom micro-displacement adjustment platform 3 through the motor drive module 9, and allow the electromagnetic needle selector 6 to approach the sensor probe 5, so that the electromagnetic needle selector The lower surface of the cutter head seems to be in contact with the probe 5 or not. Then change the direction of the driving voltage of the electromagnetic needle selector 6, so that the head of the electromagnetic needle selector 6 hits the sensor probe 5 downward; then drive the electric three-degree-of-freedom micro-displacement adjustment platform 3 to move the electromagnetic needle selector 6 upwards In this way, the angle applied to the sensor 4 by the cutter head of the electromagnetic needle selector can be changed, and different voltages corresponding to different angles can be obtained, and then through the linear correspondence between the load of the sensor 4 and the voltage obtained in the first step, the electromagnetic needle selection can be obtained. The static electromagnetic force corresponding to the device 6 at different angles.

The specific implementation above is only a preferred embodiment of this creation, and is not intended to limit this creation. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this creation should be included in this creation. within the scope of protection.

Claims (1)

1. A measuring device for the electromagnetic force of an electromagnetic needle selector, which is used to measure the electromagnetic force of an electromagnetic needle selector, is characterized in that it includes a power supply, a voltage transmitter, an electric three-degree-of-freedom micro-displacement adjustment platform, and a load cell , a sensor probe, a data acquisition module, a PC, and a motor drive module; wherein, the power supply is electrically connected to an electromagnetic needle selector, a voltage transmitter, an electric three-degree-of-freedom micro-displacement adjustment platform, a force sensor, and a data acquisition module and the motor drive module, and provide power for it; the electric three-degree-of-freedom micro-displacement adjustment platform places the force sensor and the electromagnetic needle selector; the sensor probe is installed on the force sensor; the data acquisition module is respectively connected to a voltage transmitter and a PC; the motor drive module is sequentially connected to the electric three-degree-of-freedom micro-displacement adjustment platform, so that the motor drive module drives the electric three-degree-of-freedom micro-displacement adjustment platform.