CN205484513U - Hypercompact high withstand voltage current sensor that gathers able to programme - Google Patents
Hypercompact high withstand voltage current sensor that gathers able to programme Download PDFInfo
- Publication number
- CN205484513U CN205484513U CN201620249841.0U CN201620249841U CN205484513U CN 205484513 U CN205484513 U CN 205484513U CN 201620249841 U CN201620249841 U CN 201620249841U CN 205484513 U CN205484513 U CN 205484513U
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- CN
- China
- Prior art keywords
- programme
- magnetic core
- wiring board
- shell
- current sensor
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- 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 provides a hypercompact high withstand voltage current sensor that gathers able to programme, includes that shell, the card of upper end opening and cavity form establish circuit board and the U type magnetic core in the shell, circuit board upper surface one end is inserted and is equipped with the terminal, and the other end is inserted the U type that is equipped with and is overflowed the needle, the circuit board upper surface still pastes and is equipped with hall piece able to programme linear, hall piece able to programme linear is located the terminal and the U type overflows between the needle, hall piece able to programme linear is connected with the terminal electricity, U type magnetic core one side is passed the U type and is overflowed the needle and lie in hall piece able to programme linear top, and the opposite side lies in the circuit board below and installs at the shell. Adopt the ring -opening directly to survey formula principle collocation hall piece able to programme linear, only need design hall power protection circuit and anti -jamming circuit, adopt the opening magnetic core to carry out electromagnetic conversion, retrencied magnetic core coil and complicated circuit board wiring and numerous electronic component, a large amount of processes and the man -hour of having saved the equipment link have improved production efficiency, reduced manufacturing cost.
Description
Technical field
This utility model relates to a kind of sensor.
Background technology
Current sensor has that precision is high, the linearity is good, bandwidth, low in energy consumption, excellent without insertion loss etc.
Point, is widely applied to the new forms of energy industries such as converter, solar energy, wind energy, electric automobile, existing
Current sensor uses traditional scheme, complex process, cost intensive, and cannot accomplish small size, gently
Quantify, it is impossible to meet the diversified use demand of client.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of able to programme super
Compact height is pressure current sensor.
To achieve these goals, the one resistance to current voltage of ultra-compact height able to programme designed by this utility model
Sensor, including upper end open and the shell of hollow form, the wiring board being fastened in shell and U-shaped magnetic
Core, described wiring board upper surface one end is inserted with terminal, and the other end is inserted with U-shaped stream pin, described line excessively
Road plate upper surface has also been sticked proframmable linear Hall plate, and described proframmable linear Hall plate is positioned at terminal and U
Type is crossed between stream pin, and described proframmable linear Hall plate electrically connects with terminal, and described U-shaped magnetic core side is worn
Crossing U-shaped stream pin excessively and be positioned at above proframmable linear Hall plate, opposite side is positioned at below wiring board and installs
On shell.
A kind of mounting means of U-shaped magnetic core, is provided with mounting groove bottom described outer casing inner wall, is positioned at wiring board
The U-shaped magnetic core side of lower section is positioned at mounting groove.
A kind of mounting means of wiring board, described outer casing inner wall is provided with a pair limited block and some abuttings
Post, described wiring board both sides are provided with the draw-in groove suitable with limited block, described wiring board lower surface with abut
Post upper surface abuts against.
Further, the height of described limited block is more than the height abutting post.
Further, described U-shaped magnetic core outer surface is coated with insulating barrier.
The most U-shaped stream pin of crossing is used for connecting client electric current line turn-on current, proframmable linear Hall plate position
In U-shaped magnetic core opening, as faradic current use, terminal be provided with 4 pins and be defined as positive pole,
Negative pole, output, ground connection.First U-shaped stream pin, proframmable linear Hall plate and the terminal crossed is installed to line
On the plate of road, then U-shaped magnetic core is assembled with wiring board, then is inserted in shell from the opening part of shell,
It is packaged toward encapsulated epoxy resin in shell after assembling, after having encapsulated, i.e. can be used for current measurement.
This sensor uses the direct measuring principle of open loop, i.e. when U-shaped mistake stream pin no current passes through, and this biography
Lead-out terminal output voltage on sensor is zero, when there being electric current to pass through, just has in U-shaped magnetic core opening
Induced field, the size in magnetic field changes, in U-shaped magnetic core opening with the size variation flowing through electric current
Proframmable linear Hall plate is magnet-sensitive element, will export a certain proportion of voltage when sensing magnetic field
Exporting from terminal output pin, this output voltage changes with magnetic field size variation, will accurately react quilt
Survey the size of electric current, thus realize the purpose of current measurement.
The one pressure current sensor of ultra-compact height able to programme that this utility model obtains, it has the technical effect that
1, open loop direct measuring type principle collocation proframmable linear Hall plate is used, it is only necessary to design Hall power protecting circuit
And anti-jamming circuit, use open magnetic core to carry out electromagnetic conversion, simplify magnetic core coil and complicated circuit
Plate wiring and numerous electronic component, simplified interiors of products space, and eliminated a large amount of of assembling link
Operation and man-hour, improve production efficiency, reduce production cost；2, at structure design aspect, use
U-shaped magnetic core crosses stream pin composition electromagnetic switching device through U-shaped, is compiled by patch in the circuit board SMD
Journey linear Hall sheet is stuck in the open center of magnetic core, then by the limited block of shell and mounting groove by wiring board,
Shell put into by magnetic core, excessively stream pin etc., can reduce more than one times than conventional current sensors on volume；
3, use proframmable linear Hall plate, the 0A electric current of tested electric current and rated current can be sampled,
Thus the zero-point voltage and output voltage to sensor carries out precision programming, the most also can be by software to magnetic
Performance drift under the high/low temperature such as core, circuit carries out temperature-compensating, makes the precision of sensor and the linearity obtain
Arrive great raising；4, at U-shaped magnetic core outer surface spray applied insulation, this sensor can be greatly improved
Dielectric strength, thus improve the voltage endurance capability of sensor.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is explosive view of the present utility model.
Fig. 3 is the structural representation of this utility model housing.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, 3, the one resistance to current voltage of ultra-compact height able to programme that this utility model provides passes
Sensor, including the shell 1 of upper end open and hollow form, the wiring board 2 being fastened in shell and U-shaped
Magnetic core 3, wiring board upper surface one end is inserted with terminal 4, and the other end is inserted with U-shaped stream pin 5, circuit excessively
Plate upper surface has also been sticked proframmable linear Hall plate 6, and proframmable linear Hall plate is positioned at terminal with U-shaped
Crossing between stream pin, proframmable linear Hall plate electrically connects with terminal, and stream is crossed through U-shaped in U-shaped magnetic core side
Pin is also positioned at above proframmable linear Hall plate, and opposite side is positioned at below wiring board and is arranged on shell.
It is provided with mounting groove 7 bottom outer casing inner wall, is positioned at the U-shaped magnetic core side below wiring board and is positioned at installation
In groove.
Outer casing inner wall is provided with a pair limited block 8 and some abutting posts 10, in the present embodiment, abuts post
Being four and be respectively positioned on corner, wiring board both sides are provided with the draw-in groove 9 suitable with limited block, under wiring board
Surface abuts against with abutting post upper surface, and wherein the height of limited block is more than the height abutting post.
Being coated with insulating barrier on U-shaped magnetic core outer surface, the insulating barrier in the present embodiment is insullac, permissible
Improve the dielectric strength of this sensor, thus improve the voltage endurance capability of sensor.
The most U-shaped stream pin of crossing is used for connecting client electric current line turn-on current, proframmable linear Hall plate position
In U-shaped magnetic core opening, as faradic current use, terminal be provided with 4 pins and be defined as positive pole,
Negative pole, output, ground connection.First U-shaped stream pin, proframmable linear Hall plate and the terminal crossed is installed to line
On the plate of road, then U-shaped magnetic core is assembled with wiring board, then is inserted in shell from the opening part of shell,
It is packaged toward encapsulated epoxy resin in shell after assembling, after having encapsulated, i.e. can be used for current measurement.
This sensor uses the direct measuring principle of open loop, i.e. when U-shaped mistake stream pin no current passes through, and this biography
Lead-out terminal output voltage on sensor is zero, when there being electric current to pass through, just has in U-shaped magnetic core opening
Induced field, the size in magnetic field changes, in U-shaped magnetic core opening with the size variation flowing through electric current
Proframmable linear Hall plate is magnet-sensitive element, will export a certain proportion of voltage when sensing magnetic field
Exporting from terminal output pin, this output voltage changes with magnetic field size variation, will accurately react quilt
Survey the size of electric current, thus realize the purpose of current measurement.
Claims (5)
1. the pressure current sensor of ultra-compact height able to programme, it is characterised in that: include upper end open and
The shell of hollow form, the wiring board being fastened in shell and U-shaped magnetic core, described wiring board upper surface one
End is inserted with terminal, and the other end is inserted with U-shaped stream pin excessively, and described wiring board upper surface has also been sticked and can compile
Journey linear Hall sheet, described proframmable linear Hall plate is at terminal and U-shaped crosses between stream pin, described can
Programming linear Hall plate to electrically connect with terminal, stream pin is crossed and be positioned at can through U-shaped in described U-shaped magnetic core side
Programming above linear Hall plate, opposite side is positioned at below wiring board and is arranged on shell.
The pressure current sensor of ultra-compact height able to programme the most according to claim 1, it is characterised in that:
It is provided with mounting groove bottom described outer casing inner wall, is positioned at the U-shaped magnetic core side below wiring board and is positioned at mounting groove
In.
The pressure current sensor of ultra-compact height able to programme the most according to claim 1, it is characterised in that:
Described outer casing inner wall is provided with a pair limited block and some abutting posts, and described wiring board both sides are provided with and limit
The draw-in groove that position block is suitable, described wiring board lower surface abuts against with abutting post upper surface.
The pressure current sensor of ultra-compact height able to programme the most according to claim 3, it is characterised in that:
The height of described limited block is more than the height abutting post.
The pressure current sensor of ultra-compact height able to programme the most according to claim 1, it is characterised in that:
Described U-shaped magnetic core outer surface is coated with insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620249841.0U CN205484513U (en) | 2016-03-23 | 2016-03-23 | Hypercompact high withstand voltage current sensor that gathers able to programme |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620249841.0U CN205484513U (en) | 2016-03-23 | 2016-03-23 | Hypercompact high withstand voltage current sensor that gathers able to programme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484513U true CN205484513U (en) | 2016-08-17 |
Family
ID=56648624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620249841.0U Expired - Fee Related CN205484513U (en) | 2016-03-23 | 2016-03-23 | Hypercompact high withstand voltage current sensor that gathers able to programme |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205484513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562774A (en) * | 2018-06-21 | 2018-09-21 | 山东航天电子技术研究所 | A kind of micro metal shell collection magnetic-type Hall current sensor |
-
2016
- 2016-03-23 CN CN201620249841.0U patent/CN205484513U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562774A (en) * | 2018-06-21 | 2018-09-21 | 山东航天电子技术研究所 | A kind of micro metal shell collection magnetic-type Hall current sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160817 Termination date: 20210323 |