CN205880036U - Current sensor - Google Patents
Current sensor Download PDFInfo
- Publication number
- CN205880036U CN205880036U CN201620631857.8U CN201620631857U CN205880036U CN 205880036 U CN205880036 U CN 205880036U CN 201620631857 U CN201620631857 U CN 201620631857U CN 205880036 U CN205880036 U CN 205880036U
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- China
- Prior art keywords
- hall
- sheath
- shell
- magnetic core
- draw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a current sensor, including the shell subassembly, the shell subassembly includes the shell, be equipped with magnetic core and hall draw -in groove on the shell, be equipped with the air gap breach on the magnetic core, evenly be equipped with fixed stitch on the lateral wall of shell, and magnetic core, hall draw -in groove and fixed stitch injection moulding, be equipped with non -slip texture on the lateral wall of fixed stitch, install hall chip through the hall sheath in the hall draw -in groove, the upper end of hall sheath is equipped with hall pin guiding hole, hall sheath buckle and hall chip screens piece are installed to the lower extreme of hall sheath. The utility model discloses simple structure, design benefit, convenient to use, through the integration mould plastics and mode through the joint fixed, the encapsulating technology of effectively having avoidd the existing product has improved production efficiency and the cost is reduced, makes the product more diversified, has wider measuring range moreover.
Description
Technical field
This utility model relates to testing current apparatus technical field, is specially a kind of current sensor.
Background technology
Slight power-supply device is the most fused increasing new technique.Such as Switching Power Supply, hard switching, Sofe Switch,
Parameter voltage stabilizing, linear feedback voltage stabilizing, magnetic amplifier technology, numerical controlled voltage, PWM, SPWM, electromagnetic compatibility etc..Actual demand is straight
Connect promotion power technology development and progress, in order to automatically detect and show electric current, and send out at Harms such as crossing stream, overvoltage
There is time raw the Based Intelligent Control of automatic protection functions and higher level, there is sensing detection, sense samples, the power supply skill of sensing protection
Art gradually becomes trend, the sensor of detection curtage just arise at the historic moment and start the green grass or young crops by numerous circuit designer in China
Looking at, the molding mode of open-loop principles current sensor the most on the market mainly has a two ways, one be traditional magnetic core,
Pcba, the assembling of Hall chip and embedding are fixed, and two are the direct injection mo(u)lding of magnetic core and encapsulating is fixed, and this two ways is equal at present
Need encapsulating to fix, and current magnetic core injection mo(u)lding is required for magnetic core is carried out punch forming, relatively costly, it is unfavorable for product
Variation, the making of product is required the highest, for the problems referred to above, special proposes a kind of current sensor.
Utility model content
The purpose of this utility model is to provide a kind of current sensor, with asking of solving to propose in above-mentioned background technology
Topic.
For achieving the above object, this utility model following technical scheme of offer: a kind of current sensor, including shell group
Part, described casing assembly includes that shell, described shell are provided with magnetic core and Hall draw-in groove, and described magnetic core is provided with ventilation breach,
Fixing stitch, and magnetic core, Hall draw-in groove and fixing stitch injection mo(u)lding it is uniformly provided with on the lateral wall of described shell, described fixing
The sidewall of stitch is provided with anti-skidding lines, is provided with Hall chip by Hall sheath in described Hall draw-in groove, and described Hall protects
The upper end of set is provided with Hall pin pilot hole, and the lower end of described Hall sheath is provided with Hall sheath buckle and Hall chip card
Position part.
Preferably, the quantity of described fixing stitch is at least four.
Preferably, described Hall chip is provided with direct insertion pin, and the quantity of direct insertion pin is at least three.
Preferably, the upper end of described Hall sheath is provided with the installation of circular arc and shows a part.
Compared with prior art, the beneficial effects of the utility model are: a kind of current sensor, simple in construction, and design is skilful
Wonderful, easy to use, by integrated injection moulding and by clamping by the way of fix, effectively evaded the process for filling colloid of existing product,
Improve production efficiency and reduce cost, making product more diversified, and there is wider array of measurement scope.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is horizontal throwing view of the present utility model；
Fig. 3 is longitudinally throwing view of the present utility model；
Fig. 4 is the structural representation of Hall sheath in this utility model；
Fig. 5 is the structural representation fixing stitch in this utility model.
In figure: 1, casing assembly, 11, shell, 12, magnetic core, 121, ventilation breach, 13, Hall draw-in groove, 14, fixing stitch,
141, anti-skidding lines, 2, Hall sheath, 21, Hall pin pilot hole, 22, Hall sheath buckle, 23, Hall chip card-bit part,
24, a part is shown in installation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-4, this utility model provides a kind of technical scheme: a kind of current sensor, including casing assembly 1,
Described casing assembly 1 includes that shell 11, described shell 11 are provided with magnetic core 12 and Hall draw-in groove 13, and described magnetic core 12 is provided with logical
Gas breach 121, the lateral wall of described shell 11 is uniformly provided with fixing stitch 14, and magnetic core 12, Hall draw-in groove 13 and fixing pin
Foot 14 injection mo(u)lding, the sidewall of described fixing stitch 14 is provided with anti-skidding lines 141, is protected by Hall in described Hall draw-in groove 13
Set 2 is provided with Hall chip 3, and the upper end of described Hall sheath 2 is provided with Hall pin pilot hole 21, described Hall sheath 2 times
End is provided with Hall sheath buckle 22 and Hall chip card-bit part 23, simple in construction, designs ingenious, easy to use, by one
Change injection and fix by the way of clamping, effectively having evaded the process for filling colloid of existing product, improve production efficiency and reduction
Cost, makes the product more diversified.
Specifically, the quantity of described fixing stitch 14 is at least four, preferably can carry out this current sensor
Fixing, prevent it from loosening in use.
Specifically, described Hall chip 3 is provided with direct insertion pin 31, and the quantity of direct insertion pin 31 is at least three
Individual, can preferably be fixed with circuit board.
Specifically, the upper end of described Hall sheath 2 is provided with the installation of circular arc and shows a part 24, can protect installing Hall
Play when overlapping 2 and show that position acts on, prevent it anti-loaded.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a current sensor, including casing assembly (1), it is characterised in that: described casing assembly (1) includes shell (11),
Described shell (11) is provided with magnetic core (12) and Hall draw-in groove (13), and described magnetic core (12) is provided with ventilation breach (121), described
Fixing stitch (14), and magnetic core (12), Hall draw-in groove (13) and fixing stitch (14) it is uniformly provided with on the lateral wall of shell (11)
Injection mo(u)lding, the sidewall of described fixing stitch (14) is provided with anti-skidding lines (141), passes through Hall in described Hall draw-in groove (13)
Sheath (2) is provided with Hall chip (3), and the upper end of described Hall sheath (2) is provided with Hall pin pilot hole (21), described Hall
The lower end of sheath (2) is provided with Hall sheath buckle (22) and Hall chip card-bit part (23).
A kind of current sensor the most according to claim 1, it is characterised in that: the quantity of described fixing stitch (14) is at least
It it is four.
A kind of current sensor the most according to claim 1, it is characterised in that: described Hall chip (3) is provided with straight cutting
Formula pin (31), and the quantity of direct insertion pin (31) is at least three.
A kind of current sensor the most according to claim 1, it is characterised in that: the upper end of described Hall sheath (2) is provided with
A part (24) is shown in the installation of circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631857.8U CN205880036U (en) | 2016-11-22 | 2016-11-22 | Current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631857.8U CN205880036U (en) | 2016-11-22 | 2016-11-22 | Current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880036U true CN205880036U (en) | 2017-01-11 |
Family
ID=57692113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620631857.8U Expired - Fee Related CN205880036U (en) | 2016-11-22 | 2016-11-22 | Current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205880036U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342782A (en) * | 2018-11-27 | 2019-02-15 | 山东航天电子技术研究所 | A kind of Hall current sensor skeleton |
| CN109541278A (en) * | 2018-12-29 | 2019-03-29 | 宁波锦澄电子科技股份有限公司 | A kind of current sensor and its assembly method |
| CN110095644A (en) * | 2019-04-10 | 2019-08-06 | 三峡大学 | A kind of novel high-precision open loop Hall current sensor |
| CN110095643A (en) * | 2019-04-10 | 2019-08-06 | 三峡大学 | A kind of four air gap open loop Hall current sensor of single magnetic core |
-
2016
- 2016-11-22 CN CN201620631857.8U patent/CN205880036U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342782A (en) * | 2018-11-27 | 2019-02-15 | 山东航天电子技术研究所 | A kind of Hall current sensor skeleton |
| CN109342782B (en) * | 2018-11-27 | 2021-03-16 | 山东航天电子技术研究所 | Hall current sensor framework |
| CN109541278A (en) * | 2018-12-29 | 2019-03-29 | 宁波锦澄电子科技股份有限公司 | A kind of current sensor and its assembly method |
| CN110095644A (en) * | 2019-04-10 | 2019-08-06 | 三峡大学 | A kind of novel high-precision open loop Hall current sensor |
| CN110095643A (en) * | 2019-04-10 | 2019-08-06 | 三峡大学 | A kind of four air gap open loop Hall current sensor of single magnetic core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20181122 |