CN216870780U - Electromagnetic force measuring device - Google Patents

Abstract

The utility model discloses a measuring device for electromagnetic force, which comprises a coil, a force measuring device for measuring the stress of the coil and a current measuring device for measuring the current in the coil. Specifically, the electromagnetic force measuring device further comprises a first support and a second support. The force measuring device is arranged below the first support column, the coil is arranged at the top end of the first support column, the force measuring device is used for measuring the stress of the first support column and the coil, and the current measuring device is arranged on the second support column. According to the scheme, the force and the current of the coil are respectively measured through the force measuring device and the current measuring device, so that a user can sense the relation between the electromagnetic force and the current more intuitively, and the user can learn relevant knowledge conveniently.

Description

Electromagnetic force measuring device

Technical Field

The disclosure relates to the technical field of scientific research, in particular to a device for measuring electromagnetic force.

Background

In the scientific research of electricity and magnetism, the research direction is basically developed around the direction of a magnetic field, the direction of current in a current-carrying conductor, the stress direction of the current-carrying conductor in the magnetic field and the dialectical relationship of the three. However, when the current direction in the electrified conductor is researched by the existing demonstration instrument, the current direction is judged mainly by observing the on and off of the light-emitting diode; the motion track of the electrified conductor in the magnetic field is minute and can not be checked, and is easy to be ignored. The research only stays in a qualitative observation layer, and cannot visually show the current flowing direction, the current magnitude, the stress change and the stress magnitude of the electrified conductor under the action of the magnetic field and the corresponding relation among the three by using data or graphs.

SUMMERY OF THE UTILITY MODEL

The present disclosure is directed to solving at least one of the disadvantages of the prior art and providing an electromagnetic force measuring device.

The utility model provides a measuring device of electromagnetic force, including the coil, be used for measuring the measuring force device of coil atress and be used for measuring the electric current measuring device of the electric current of coil.

In some embodiments, a first support column is included, a coil is disposed on the first support column, the coil is disposed at a first end of the first support column, and a force measuring device is disposed at a second end of the first support column.

In some embodiments, the force measuring device is located below the first support column, the coil is disposed at the top end of the first support column, and the force measuring device is used for measuring the force of the first support column and the coil.

In some embodiments, the first leg is provided with at least two terminals, the two ends of the coil are respectively detachably mounted on the two terminals, and the two measuring ends of the current measuring device are also respectively mounted on the two terminals.

In some embodiments, a second leg is further included, the current measuring device being disposed on the second leg.

In some embodiments, the second leg is parallel to and spaced apart from the first leg.

In some embodiments, the device further comprises a control terminal which is in signal connection with the force measuring device and the current measuring device respectively.

In some embodiments, a magnet is also included, and the magnet may pass through the coil.

Has the beneficial effects that: according to the lenz constant, when a magnetic object passes through the coil, induced electromotive force is generated to always prevent the magnetic object from passing through, and because the movement is opposite, the change generated by the coil is caused by the blocking action to act on the force measuring device. The force measuring device and the current measuring device are used for measuring the change action and the current of the coil respectively, so that a user can better know the relationship between the change action of the coil and the magnitude and direction of the current. And because the coil is relatively motionless, the measured data is relatively accurate, and large deviation does not exist.

Drawings

Fig. 1 is a schematic structural diagram of an electromagnetic force measuring apparatus according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram of a connector according to an embodiment of the present disclosure.

Fig. 3 is a data transmission diagram of a control terminal in an embodiment of the present disclosure.

The labels in the figure are: 1. a current measuring device; 2. a force measuring device; 3. a coil; 4. a binding post; 5. a first support; 6. a second support; 7. a connecting rod; 8. a mounting seat; 9. a connecting member; 10. a base; 11. and controlling the terminal.

Detailed Description

It should be understood that the exemplary embodiments described herein should be considered in descriptive sense only and not for purposes of limitation. Descriptions of features or aspects within each exemplary embodiment should generally be considered as available for similar features or aspects in other exemplary embodiments.

The foregoing description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the utility model as defined by the claims. It includes various specific details to assist in this understanding, but these details should be construed as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that changes and modifications of the various embodiments described herein can be made without departing from the scope of the utility model, which is defined by the appended claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to the written meaning, but are used only by the inventors to allow a clear and consistent understanding of the utility model. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present invention are provided for illustration only and not for the purpose of limiting the utility model as defined by the appended claims.

Throughout the description and claims of this specification, the words "comprise" and "contain" and variations of the words, for example "comprising" and "comprises", mean "including but not limited to", and are not intended to (and do not) exclude other components, integers or steps.

Features, integers or characteristics described in conjunction with a particular aspect, embodiment or example of the utility model are to be understood to be applicable to any other aspect, embodiment or example described herein unless incompatible therewith.

It is to be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. In the present invention, the expression "or" comprises any and all combinations of the words listed together. For example, "a or B" may comprise a or B, or may comprise both a and B.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present specification and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Fig. 1 is a schematic structural diagram of an electromagnetic force measuring apparatus according to an embodiment of the present disclosure. As shown in fig. 1, the measuring device for electromagnetic forces comprises a coil 3, a force measuring device 2 for measuring the force exerted by the coil 3 and a current measuring device 1 for measuring the current of said coil 3.

Optionally: the electromagnetic force measuring device further comprises a first support column 5, the coil 3 is arranged at a first end of the first support column 5, and the force measuring device 2 is arranged at a second end of the first support column 5. The distance between the coil 3 and the force measuring device 2 is adjusted to a proper range, so that the coil 3 is prevented from causing electromagnetic interference on the measurement of the force measuring device 2, and the accuracy of the measured data is prevented from being influenced. More specifically, as shown in fig. 1, the force measuring device 2 is located at the bottom end of the first pillar 5, the coil 3 is disposed at the top end of the first pillar 5, and the force measuring device 2 is used for measuring the stress of the first pillar 5 and the coil 3. When the force measuring device is used, the force measuring device 2 firstly carries out zero elimination operation to remove the dead weight of the first support 5 and the coil 3, so that the stress of the first support 5 and the coil 3 can be directly measured.

It will be appreciated that in order to facilitate the disassembly and assembly of the coil 3, to measure different types of coils 3, in some embodiments the first support 5 is provided with at least two terminals 4, the two ends of the coil 3 are respectively removably mounted on the two terminals 4, and the two measuring ends of the current measuring device 1 are also respectively mounted on the two terminals 4. Make the user can be according to the condition with coil 3 from the terminal dismouting, improved the convenience of device.

In some embodiments, the measuring device of electromagnetic force further comprises a second pillar 6, the current measuring device 1 being arranged on the second pillar 6, in particular, the current measuring device 1 being mounted on the second pillar 6 by means of a mounting 8. The current measuring device 1 may be mounted in various ways, such as directly on the second support 6, and the disclosure is not particularly limited. More specifically, the first pillar 5 and the second pillar 6 are both placed on the base 10, and the second pillar 6 and the first pillar 5 are arranged in parallel and spaced apart from each other. By allowing the first support 5 and the second support 6 to be arranged at intervals, and further allowing the coil 3 and the current measuring device 1 to be arranged at intervals, the measurement of the coil 3 on the current measuring device 1 is reduced.

It will be appreciated that in some embodiments, since the coil 3 is subjected to a small force, and the current measuring device 1 may be relatively heavy, the above solution ensures that the measured data is relatively accurate by placing the current measuring device 1 on the second support 6, so that the force measuring device 2 does not suffer from the self weight of the current measuring device 1 when measuring the force applied to the coil 3.

In order to enable the force measuring device 2 to be installed more stably, in some embodiments, the electromagnetic force measuring device further comprises a connecting rod 7, the left end of the connecting rod 7 is installed on the second support column 6, the right end of the connecting rod 7 is connected to the force measuring device 2, the force measuring device 2 and the second support column 6 are connected through the connecting rod 7, the force measuring device 2 is fixed better, and the measuring accuracy is prevented from being affected by shaking of the force measuring device. More specifically, the left end of the connecting rod 7 is mounted to the second pillar 6 by a connecting member 9. The connecting piece 9 is equipped with screw hole and bolt, and the bolt supports after passing the screw hole on the connecting rod 7 and presses in second pillar 6 for bolt and connecting rod 7 cooperation centre gripping second pillar 6 let connecting rod 7 install on second pillar 6, and when needs, the user can the swivel bolt, makes the bolt no longer support and presses second pillar 6, makes the user can adjust the position of connecting piece 9 and connecting rod 7. It will be appreciated that the connecting rod 7 may be attached to the second leg 6 by other means than the attachment 9, or may be welded directly to the second leg 6.

In some embodiments, the measuring device of electromagnetic force further comprises a control terminal 11, and the control terminal 11 is in signal connection with the force measuring device 2 and the current measuring device 1 respectively. It should be understood that the control terminal 11 may be a computer, a mobile phone, etc., and the data measured by the force measuring device 2 and the current measuring device 1 may be transmitted to the control terminal 11, and the control terminal 11 displays the data of the force measuring device 2 and the current measuring device 1. It should be understood that the control terminal 11 may perform graphic reduction and display on the measurement data, and is not limited to a computer or a mobile phone.

In some embodiments, the electromagnetic force measuring device further comprises a magnet, which may pass through the coil 3.

In practice, the magnet is passed through the coil 3, and since the coil 3 is energized, the magnetic field is affected when the magnet passes through, resulting in a force on the coil 3. According to the method and the device, the force measuring device 2 and the current measuring device 1 are used for respectively obtaining the stress and the current change of the coil 3, so that a user can better understand the relation between the stress and the current change of the coil 3 in a magnetic field.

In the embodiment, the change data obtained by measuring the current measuring device 1 and the force measuring device 2 are uploaded to a computer or other similar equipment, so that the computer can synchronously record, display and restore the current passing through the coil 3 and the value and curve of the force generated by the coil 3 in real time, and the relevant data can be more intuitively reflected.

The above examples are only for illustrating the technical solutions of the present disclosure, and not for limiting the same. Although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure. All other embodiments made by those skilled in the art without any inventive step are within the scope of the present disclosure.

Claims (6)

1. The measuring device for the electromagnetic force is characterized by comprising a coil, a first support column, a force measuring device and a current measuring device, wherein the force measuring device is used for measuring stress of the coil, the current measuring device is used for measuring current in the coil, the force measuring device is located below the first support column, the coil is arranged at the top end of the first support column, and the force measuring device is used for measuring stress of the first support column and the coil.

2. An electromagnetic force measuring device according to claim 1, wherein the first leg is provided with at least two terminals, both ends of the coil are detachably mounted on the two terminals, respectively, and both measuring ends of the current measuring device are mounted on the two terminals, respectively.

3. The electromagnetic force measuring device according to claim 2, further comprising a second support, the current measuring device being disposed on the second support.

4. The device for measuring electromagnetic force according to claim 3, wherein the second support and the first support are disposed in parallel and spaced apart from each other.

5. The device for measuring electromagnetic force according to claim 1, further comprising a control terminal in signal connection with the force measuring device and the current measuring device, respectively.

6. The electromagnetic force measuring device according to any one of claims 1 to 5, further comprising a magnet that is passed through the coil.

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