阅读说明：本技术 一种低频电磁量测量装置 (Low-frequency electromagnetic quantity measuring device ) 是由 管强 郭成伟 马立修 冯子刚 王青 马震 迟甜甜 李春晓 李文磊 徐天慧 刘玉龙 于 2020-09-02 设计创作，主要内容包括：本发明涉及一种低频电磁量测量装置,其特征在于,它包括：测量磁铁基体,所述的测量磁铁基体上下两侧对称设置有拉力弹簧,拉力弹簧的一端固定连接到所述的测量磁铁基体,另一端连接有压力传感器,所述压力传感器固定设置在固定支架上；压力传感器的输出端通过调节电阻连接到数据处理器,所述的数据处理器连接有显示器。(The invention relates to a low-frequency electromagnetic quantity measuring device, which is characterized by comprising the following components: the device comprises a measuring magnet base body, tension springs are symmetrically arranged on the upper side and the lower side of the measuring magnet base body, one end of each tension spring is fixedly connected to the measuring magnet base body, the other end of each tension spring is connected with a pressure sensor, and the pressure sensors are fixedly arranged on a fixed support; the output end of the pressure sensor is connected to a data processor through a regulating resistor, and the data processor is connected with a display.)

1. A low-frequency electromagnetic quantity measuring apparatus, characterized in that it comprises:

the device comprises a measuring magnet base body, tension springs are symmetrically arranged on the upper side and the lower side of the measuring magnet base body, one end of each tension spring is fixedly connected to the measuring magnet base body, the other end of each tension spring is connected with a pressure sensor, and the pressure sensors are fixedly arranged on a fixed support; the output end of the pressure sensor is connected to a data processor through a regulating resistor, and the data processor is connected with a display.

2. A low-frequency electromagnetic quantity measuring device as claimed in claim 1, wherein said measuring magnet base is a disc-shaped measuring magnet base, said tension spring is connected to an upper end surface and a lower end surface of said disc-shaped measuring magnet base, respectively, and an axial center line of said tension spring coincides with an axial center line of said disc-shaped measuring magnet base.

3. A low frequency electromagnetic quantity measuring device as claimed in claim 1 or 2, characterized in that said measuring magnet base is a neodymium iron boron magnet base.

4. A low-frequency electromagnetic quantity measuring device as claimed in claim 2, wherein four tension springs are provided on the upper end surface of the disc-shaped measuring magnet base body, and are uniformly distributed on the upper end surface of the disc-shaped measuring magnet base body; the intersection point of the axial center line of the tension spring and the disc-shaped measuring magnet base body is positioned on the circumference of the same circle, and the circle center of the circle is superposed with the circle center of the upper end surface of the disc-shaped measuring magnet base body; the lower end surface of the disc-shaped measuring magnet base body is provided with four tension springs, and the four tension springs on the lower end surface and the four tension springs on the upper end surface are arranged in mirror symmetry by taking the disc-shaped measuring magnet base body as a mirror surface; and the tail end of each tension spring is provided with a pressure sensor, and the pressure sensors are connected to the data processor through adjusting resistors.

5. A low-frequency electromagnetic quantity measuring device as claimed in claim 1, wherein said measuring magnet base is a spherical measuring magnet base, six tension springs are uniformly arranged on the outer surface of said spherical measuring magnet base in six directions, front, back, left, right, up and down, and a pressure sensor is arranged at the end of each tension spring and connected to said data processor through a regulating resistor.

6. A low frequency electromagnetic quantity measuring device as claimed in claim 5, wherein said data processor is a single chip controller.

7. A low frequency electromagnetic quantity measuring device as claimed in claim 6, characterized in that said data processor is further connected to a memory.

8. A low-frequency electromagnetic quantity measuring device as claimed in claim 7, characterized in that said pressure sensor is a BP800 type pressure sensor.

Technical Field

The invention belongs to the technical field of electric power measuring equipment, relates to a measuring device for an electric power system, and particularly relates to a low-frequency electromagnetic quantity measuring device.

Background

With the continuous development and progress of power systems, infrastructure of power grids has been arranged around the living environment of residents, and the infrastructure of power grids also has an influence on the health of residents although the living standard of residents is improved.

Disclosure of Invention

The present invention is directed to provide a low frequency electromagnetic quantity measuring device to solve the above-mentioned problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a low frequency electromagnetic quantity measuring apparatus, comprising:

the device comprises a measuring magnet base body, tension springs are symmetrically arranged on the upper side and the lower side of the measuring magnet base body, one end of each tension spring is fixedly connected to the measuring magnet base body, the other end of each tension spring is connected with a pressure sensor, and the pressure sensors are fixedly arranged on a fixed support; the output end of the pressure sensor is connected to a data processor through a regulating resistor, and the data processor is connected with a display.

Preferably, the measuring magnet base body is a disc-shaped measuring magnet base body, the upper end surface and the lower end surface of the disc-shaped measuring magnet base body are respectively connected with the tension spring, and the axial center line of the tension spring is superposed with the axial center line of the disc-shaped measuring magnet base body; the measurement precision is improved.

Preferably, the measuring magnet base body is a neodymium iron boron magnet base body; the neodymium iron boron magnet base body is adopted, and the sensitivity of sensing the change of the surrounding magnetic field is improved.

Preferably, four tension springs are arranged on the upper end face of the disc-shaped measuring magnet base body, and the four tension springs are uniformly distributed on the upper end face of the disc-shaped measuring magnet base body; the intersection point of the axial center line of the tension spring and the disc-shaped measuring magnet base body is positioned on the circumference of the same circle, and the circle center of the circle is superposed with the circle center of the upper end surface of the disc-shaped measuring magnet base body; the lower end surface of the disc-shaped measuring magnet base body is provided with four tension springs, and the four tension springs on the lower end surface and the four tension springs on the upper end surface are arranged in mirror symmetry by taking the disc-shaped measuring magnet base body as a mirror surface; the tail end of each tension spring is provided with a pressure sensor, and the pressure sensors are connected to the data processor through adjusting resistors; fixing the measuring magnet matrix in an up-down four-point balance mode; the direction of the magnetic force line is measured by comparing the stress of the pressure sensors positioned at the opposite corners.

Preferably, the measuring magnet matrix is a spherical measuring magnet matrix, six tension springs are uniformly arranged on the outer surface of the spherical measuring magnet matrix in the front, back, left, right, upper and lower directions, the tail end of each tension spring is provided with a pressure sensor, and the pressure sensors are connected to the data processor through adjusting resistors; the directions of the multi-point magnetic lines in the X direction, the Y direction and the Z direction are measured.

Preferably, the data processor is a single chip microcomputer controller; the development is simple and the cost is low.

Preferably, the data processor is further connected with a memory for storing the collected data for query.

Preferably, the pressure sensor is a BP800 pressure sensor; the acquisition precision is high, and the cost is low.

The invention has the beneficial effect that the upper tension spring and the lower tension spring are adopted to position the measuring magnet matrix. When the measuring magnet base body is in a static state, the upper pressure sensor and the lower pressure sensor are in a positive-negative state, the borne forces are mutually counteracted, and the output is zero. The setting of adjusting resistance is in order to prevent that tension spring pulling force is unbalanced, realizes the input through setting up adjusting resistance and is zero. When the magnetic field acting force is applied, the movement of the magnet base body is measured, so that the stress of the tension spring is changed; for example, when the pressure sensor is pushed upwards, the tension of the upper pressure sensor is reduced, and the tension of the lower tension sensor is reduced, so that the complementary mode is beneficial to improving the input signal and enhancing the measurement accuracy; even if measure the magnet base member and receive very little effort, can enlarge the precision that the effort was gathered one time through the structure of this application.

In addition, the invention has reliable design principle, simple structure and very wide application prospect.

Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of a low-frequency electromagnetic quantity measuring apparatus provided in the present invention.

Fig. 2 is a schematic structural diagram of an embodiment 2 of a low-frequency electromagnetic quantity measuring apparatus provided in the present invention.

Fig. 3 is a schematic structural diagram of an embodiment 3 of a low-frequency electromagnetic quantity measuring apparatus provided in the present invention.

FIG. 4 is a schematic diagram of the circuit connection of a data processor of a low frequency electromagnetic quantity measuring device provided by the present invention.

The method comprises the following steps of 1-measuring a magnet substrate, 2-a tension spring, 3-a pressure sensor, 4-a fixed support, 5-an adjusting resistor, 6-a data processor, 7-a display and 8-a memory.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.