CN213581116U - Current sensor convenient to install - Google Patents
Current sensor convenient to install Download PDFInfo
- Publication number
- CN213581116U CN213581116U CN202022428575.7U CN202022428575U CN213581116U CN 213581116 U CN213581116 U CN 213581116U CN 202022428575 U CN202022428575 U CN 202022428575U CN 213581116 U CN213581116 U CN 213581116U
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- base
- shell
- current sensor
- fixed
- operational amplifier
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Abstract
The utility model relates to a current sensor convenient to install, which comprises a shell and a base connected with the shell, wherein a magnetic core is arranged in the shell and is connected with a Hall element, the Hall element is connected with an operational amplifier circuit board through a line, an operational amplifier arranged on the operational amplifier circuit board is connected with the Hall element through a line, a sensor installing mechanism is arranged on the base and comprises clamping grooves arranged at two sides of the base and a clamping plate matched with the clamping grooves, the end part of the clamping plate is connected with a fixed supporting plate, and the fixed supporting plate is provided with a fixed bolt; the top of the shell is provided with an installation groove, and a magnetic block is installed in the installation groove; the fixed ear of both sides installation of casing, this sensor can come fixed mounting through the fixed stay board of base both sides joint, also can adopt the fixed ear of casing both sides to install, can also adopt the magnetic path at casing top to adsorb fixed mounting, and the mounting means has the multiple, is fit for the installation requirement of different occasions, and the mounting means is nimble, and is convenient.
Description
Technical Field
The utility model belongs to the technical field of the sensor and specifically relates to a current sensor easy to assemble.
Background
The current sensor is a detection device which can sense the information of the current to be detected and convert the sensed information into an electric signal meeting certain standards or other information in required forms according to a certain rule for output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. Current sensors, also known as magnetic sensors, can be used in household appliances, smart grids, electric vehicles, wind power generation, and the like.
The current sensor mainly comprises an electromagnetic current sensor and an electronic current sensor, the electromagnetic current sensor is taken as an example, the existing electromagnetic current sensor comprises a shell, a base, a magnetic core, an operational amplifier circuit board and a Hall element, the magnetic core, the operational amplifier circuit board and the Hall element are installed in the shell, the electromagnetic current sensor is mainly supported and fixed through bolts installed on the base, the installation mode is limited, and the electromagnetic current sensor is inconvenient to install on some special occasions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a current sensor easy to assemble in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a current sensor convenient to mount comprises a shell and a base connected with the shell, wherein a magnetic core is arranged in the shell and connected with a Hall element, the Hall element is connected with an operational amplifier circuit board through a line, an operational amplifier mounted on the operational amplifier circuit board is connected with the Hall element through a line, a sensor mounting mechanism is arranged on the base and comprises clamping grooves arranged on two sides of the base and clamping plates matched with the clamping grooves, the end parts of the clamping plates are connected with fixed support plates, and the fixed support plates are provided with fixing bolts; the top of the shell is provided with an installation groove, and a magnetic block is installed in the installation groove.
Further, the bottom of casing is equipped with sensor signal output port department, and sensor signal output port department installs the contact pin.
Furthermore, fixed ears are installed on two sides of the shell.
Further, the magnetic core, the operational amplifier circuit board and the hall element are all installed in the shell.
Furthermore, the clamping grooves extend along the length direction of the base at two sides of the base.
Further, the magnetic core is annular.
The utility model has the advantages that: the base of the current sensor is provided with a sensor mounting mechanism, the sensor mounting mechanism comprises clamping grooves arranged on two sides of the base and a clamping plate matched with the clamping grooves, the end part of the clamping plate is connected with a fixed supporting plate, and the fixed supporting plate is provided with a fixed bolt; the top of casing has the mounting groove, installation magnetic path in the mounting groove, and the fixed ear of both sides installation of casing, this sensor can come fixed mounting through the fixed stay board of base both sides joint, also can adopt the fixed ear of casing both sides to install, can also adopt the magnetic path at casing top to adsorb fixed mounting, and the mounting means has the multiple, is fit for the installation requirement of different occasions, and the mounting means is nimble, and is convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic view of the installation of the present invention;
fig. 4 is a schematic diagram of the present invention.
Detailed Description
As shown in fig. 1 to 3, a current sensor convenient to mount includes a housing 1, a base 2 connected to the housing 1, a magnetic core 3 disposed in the housing 1, the magnetic core 3 being annular, the magnetic core 3 being connected to a hall element 4, the hall element 4 being connected to an operational amplifier circuit board 13 through a line, the operational amplifier mounted on the operational amplifier circuit board 13 being connected to the hall element 4 through a line, a sensor mounting mechanism disposed on the base 2, the sensor mounting mechanism including a slot 5 disposed on two sides of the base 2 and a clamping plate 6 engaged with the slot 5, the slot 5 extending along a length direction of the base on two sides of the base 2, an end of the clamping plate 6 being connected to a fixed support plate 7, the fixed support plate 7 having a fixing bolt 8; the top of the shell 1 is provided with an installation groove, and a magnetic block 9 is installed in the installation groove.
Further, a sensor signal output port 10 is arranged at the bottom of the shell 1, and a contact pin 11 is arranged at the sensor signal output port 10; fixing lugs 12 are mounted on both sides of the housing 1.
Further, the magnetic core 3, the operational amplifier circuit board 13, and the hall element 4 are all mounted in the case 1.
As shown in fig. 4, the working principle of the current sensor of the present invention is: the magnetic flux generated by the primary current I P is gathered in a magnetic circuit by a high-quality magnetic core, the Hall element is fixed in a very small air gap to perform linear detection on the magnetic flux, the Hall voltage output by the Hall device is processed by a special circuit, the secondary side outputs a follow-up output voltage consistent with the primary waveform, and the voltage can accurately reflect the change of the primary current.
As an improvement of the present invention, a sensor mounting mechanism is arranged on the base of the current sensor, the sensor mounting mechanism includes a clamping groove 5 arranged on both sides of the base 2 and a clamping plate 6 matched with the clamping groove 5, the clamping groove 5 extends along the length direction of the base on both sides of the base 2, the end of the clamping plate 6 is connected with a fixed support plate 7, and the fixed support plate 7 is provided with a fixing bolt 8; the top of casing 1 has the mounting groove, installation magnetic path 9 in the mounting groove, the fixed ear 12 of both sides installation of casing 1, this sensor can come fixed mounting through the fixed stay board 7 of 2 both sides joints of base, also can adopt the fixed ear 12 of 1 both sides of casing to install, can also adopt the magnetic path 9 at 1 top of casing to adsorb fixed mounting, the mounting means has the multiple, is fit for the installation requirement of different occasions, the mounting means is nimble, and is convenient.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A current sensor convenient to mount comprises a shell and a base connected with the shell, wherein a magnetic core is arranged in the shell and connected with a Hall element, the Hall element is connected with an operational amplifier circuit board through a line, and an operational amplifier mounted on the operational amplifier circuit board is connected with the Hall element through a line; the top of the shell is provided with an installation groove, and a magnetic block is installed in the installation groove.
2. The easy-to-install current sensor as claimed in claim 1, wherein the bottom of the housing is provided with a sensor signal output port, and a contact pin is installed at the sensor signal output port.
3. A current sensor of claim 2, wherein fixing lugs are mounted on both sides of the housing.
4. A readily mountable current sensor according to claim 2 wherein said magnetic core, operational amplifier circuit board and hall element are all mounted within a housing.
5. An easily installable current sensor according to claim 2, wherein the slots extend along the length of the base on both sides of the base.
6. A readily mountable current sensor according to claim 2 wherein said core is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428575.7U CN213581116U (en) | 2020-10-27 | 2020-10-27 | Current sensor convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428575.7U CN213581116U (en) | 2020-10-27 | 2020-10-27 | Current sensor convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213581116U true CN213581116U (en) | 2021-06-29 |
Family
ID=76530120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022428575.7U Active CN213581116U (en) | 2020-10-27 | 2020-10-27 | Current sensor convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213581116U (en) |
-
2020
- 2020-10-27 CN CN202022428575.7U patent/CN213581116U/en active Active
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