CN210665821U - Fixing device of current sensor - Google Patents
Fixing device of current sensor Download PDFInfo
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- CN210665821U CN210665821U CN201921549562.6U CN201921549562U CN210665821U CN 210665821 U CN210665821 U CN 210665821U CN 201921549562 U CN201921549562 U CN 201921549562U CN 210665821 U CN210665821 U CN 210665821U
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Abstract
The utility model relates to a fixing device of a current sensor, which comprises an upper shell and a lower shell which is clamped and matched with the upper shell; after the upper shell and the lower shell are clamped, a cavity for accommodating the sensor magnetic ring and the circuit board is formed. The lower casing is internally provided with a first non-closed annular groove, the outer side surface of the lower casing is provided with a bulge, and one end of the lower casing is provided with a first opening. A non-closed annular second groove matched with the first groove is formed in the upper shell, and a clamping part corresponding to the first opening extends downwards from the edge of a notch of the second groove; the outer edge of the upper shell extends downwards to form a flange, and a clamping hole matched with the protrusion is formed in the flange. The clamping portion is of a square groove structure with an opening in one side face, and after the clamping portion is clamped into the first opening, the lower shell forms a complete closed structure. The utility model discloses can follow the circuit that advances of a plurality of directions cover, compress tightly the block through the mode of joint to can constantly increase by survey signal line, very big improvement the convenient degree of installation of sensor.
Description
Technical Field
The utility model belongs to the technical field of sensor fixing base technique and specifically relates to a current sensor's fixing device.
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.
The current sensor is also called a magnetic sensor, can be used for household appliances, smart grids, electric vehicles, wind power generation and the like, and is used for a plurality of magnetic sensors in our life, such as a computer hard disk, a compass, household appliances and the like. The application needs to be installed through fixing device when the small current signal of thing networking trade monitoring, and needs to be changed and maintain according to the user demand, and among the prior art, current sensor's fixing device is bulky, with high costs, and installation and fixed mode are single, and it brings a great deal of inconvenience to change and install in given period.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides a fixing device of a current sensor with a reasonable structure, so that the installation and the fixation of the sensor are convenient, the size is reduced, and the cost is reduced.
The utility model discloses the technical scheme who adopts as follows:
a fixing device of a current sensor comprises an upper shell and a lower shell matched with the upper shell in a clamping manner; after the upper shell and the lower shell are clamped, a cavity for accommodating the sensor magnetic ring and the circuit board is formed.
As a further improvement of the above technical solution:
the lower casing is internally provided with a first non-closed annular groove, the outer side surface of the lower casing is provided with a bulge, and one end of the lower casing is provided with a first opening.
A non-closed annular second groove matched with the first groove is formed in the upper shell, and a clamping part corresponding to the first opening extends downwards from the edge of a notch of the second groove; the outer edge of the upper shell extends downwards to form a flange, and a clamping hole matched with the protrusion is formed in the flange.
The clamping portion is of a square groove structure with an opening in one side face, and after the clamping portion is clamped into the first opening, the lower shell forms a complete closed structure.
A second opening is formed at one end of the upper shell.
The two flanges are symmetrically arranged along the outer side edge of the upper shell, the two bulges are symmetrically arranged along the outer side surface of the lower shell, and the positions of the flanges and the bulges are in one-to-one correspondence.
And the upper edge of the side surface of the lower shell is provided with a clamping piece.
The utility model has the advantages as follows:
the utility model discloses compact structure, reasonable, convenient operation goes up casing, casing and corresponding sensor magnetic ring, circuit board down and all makes non-closed loop configuration. Through the non-closed annular structure, each part of the sensor is sleeved in the circuit respectively, and then the sensor is fixed in a rotating and clamping mode. The structure can sleeve the current sensor into the loop under the conditions that the connection of a tested circuit is not disconnected and the electrical equipment does not stop running, so that the current sampling is realized. The installation difficulty of equipment can be effectively reduced, and the safety of equipment installation is improved.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is an explosion diagram of the sensor of the present invention after the sensor is installed.
Fig. 3 is a schematic structural diagram of a magnetic ring of the internally installed sensor of the present invention.
Fig. 4 is a schematic structural diagram of the circuit board of the sensor installed in the present invention.
Fig. 5 is a schematic structural view of the installed sensor in the closed state.
Fig. 6 is another view of fig. 5.
Wherein: 1. an upper housing; 2. a lower housing; 3. a magnetic ring; 4. a circuit board; 101. a second groove; 102. a clamping part; 103. a flange; 104. a clamping hole; 105. a second opening; 201. a first groove; 202. a protrusion; 203. a first opening; 204. and a clamping sheet.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 4, the fixing device of the current sensor of the present embodiment includes an upper casing 1, and a lower casing 2 snap-fitted to the upper casing 1; the upper shell 1 and the lower shell 2 are clamped to form a cavity for accommodating the sensor magnetic ring 3 and the circuit board 4.
As shown in fig. 1, the lower casing 2 has a first recess 201 in the shape of a non-closed ring, a protrusion 202 is provided on the outer side surface of the lower casing 2, and a first opening 203 is formed at one end of the lower casing 2.
A non-closed annular second groove 101 matched with the first groove 201 is formed in the upper shell 1, and a clamping part 102 corresponding to the first opening 203 extends downwards from the edge of a notch of the second groove 101; the outer edge of the upper shell 1 extends downwards to form a flange 103, and a clamping hole 104 matched with the protrusion 202 is formed in the flange 103.
The clamping portion 102 is a square groove structure with an opening on one side, and after the clamping portion 102 is clamped into the first opening 203, the lower shell 2 forms a complete closed structure.
The upper case 1 has a second opening 105 formed at one end.
Two flanges 103 are symmetrically arranged along the outer side edge of the upper shell 1, two protrusions 202 are also symmetrically arranged along the outer side surface of the lower shell 2, and the positions of the flanges 103 and the protrusions 202 are in one-to-one correspondence.
The upper edge of the side surface of the lower shell 2 is provided with a clamping piece 204.
As shown in fig. 3 and 4, the utility model discloses the sensor magnetic ring 3 and the circuit board 4 of installing are non-closed (one end open-ended) annular structure, during the installation, in first recess 201 was arranged in to magnetic ring 3, circuit board 4 was installed on magnetic ring 3, then closed relatively with last casing 1 and lower casing 2, joint portion 102 embedding is in first opening 203, calorie hole 104 and protruding 202 block on the flange 103, fixed whole, chucking piece 204 fixes the side of last casing 1 and lower casing 2, prevent both from breaking away from.
As shown in fig. 5 and 6, the upper case 1 and the lower case 2 are engaged with each other after the mounting. The second opening 105 is used for facilitating the insertion of the original connecting wire from different directions during installation.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (5)
1. A fixing device of a current sensor is characterized in that: the fixing device comprises an upper shell (1) and a lower shell (2) in clamping fit with the upper shell (1); the upper shell (1) and the lower shell (2) are clamped to form a cavity for accommodating the sensor magnetic ring (3) and the circuit board (4);
a non-closed annular first groove (201) is formed in the lower shell (2), a protrusion (202) is arranged on the outer side surface of the lower shell (2), and a first opening (203) is formed at one end of the lower shell (2);
a non-closed annular second groove (101) matched with the first groove (201) is formed in the upper shell (1), and a clamping portion (102) corresponding to the first opening (203) extends downwards from the edge of a notch of the second groove (101); the outer edge of the upper shell (1) extends downwards to form a flange (103), and a clamping hole (104) matched with the protrusion (202) is formed in the flange (103).
2. The current sensor fixing device according to claim 1, wherein: the clamping portion (102) is of a square groove structure with an opening on one side, and after the clamping portion (102) is clamped into the first opening (203), the lower shell (2) forms a complete closed structure.
3. The current sensor fixing device according to claim 2, wherein: a second opening (105) is formed at one end of the upper shell (1).
4. The current sensor fixing device according to claim 1, wherein: two flanges (103) are symmetrically arranged along the outer side edge of the upper shell (1), two protrusions (202) are also symmetrically arranged along the outer side surface of the lower shell (2), and the positions of the flanges (103) and the protrusions (202) are in one-to-one correspondence.
5. The current sensor fixing device according to claim 1, wherein: the upper edge of the side surface of the lower shell (2) is provided with a clamping sheet (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921549562.6U CN210665821U (en) | 2019-09-17 | 2019-09-17 | Fixing device of current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921549562.6U CN210665821U (en) | 2019-09-17 | 2019-09-17 | Fixing device of current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210665821U true CN210665821U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921549562.6U Active CN210665821U (en) | 2019-09-17 | 2019-09-17 | Fixing device of current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210665821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362920A (en) * | 2020-11-11 | 2021-02-12 | 贵州电网有限责任公司 | State monitoring sensor protection device |
| CN113092844A (en) * | 2021-04-07 | 2021-07-09 | 云南电网有限责任公司迪庆供电局 | Voltage and current integrated sensing device and clamping sleeve |
-
2019
- 2019-09-17 CN CN201921549562.6U patent/CN210665821U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362920A (en) * | 2020-11-11 | 2021-02-12 | 贵州电网有限责任公司 | State monitoring sensor protection device |
| CN112362920B (en) * | 2020-11-11 | 2023-01-24 | 贵州电网有限责任公司 | State monitoring sensor protection device |
| CN113092844A (en) * | 2021-04-07 | 2021-07-09 | 云南电网有限责任公司迪庆供电局 | Voltage and current integrated sensing device and clamping sleeve |
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