CN207488350U - A kind of included temperature and zero migration compensation high-precision hall current sensor - Google Patents
A kind of included temperature and zero migration compensation high-precision hall current sensor Download PDFInfo
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- CN207488350U CN207488350U CN201721376061.3U CN201721376061U CN207488350U CN 207488350 U CN207488350 U CN 207488350U CN 201721376061 U CN201721376061 U CN 201721376061U CN 207488350 U CN207488350 U CN 207488350U
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- ceramic block
- circuit board
- board assemblies
- current sensor
- metal mask
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Abstract
The utility model discloses a kind of included temperature and zero migration compensation high-precision hall current sensor, including ceramic block, sealing cover, insulating sleeve, ring concentrator, circuit board assemblies and metal mask, ceramic block, sealing cover, insulating sleeve, ring concentrator, circuit board assemblies and metal mask are in be sequentially connected under upper band, surrounding is mounted on through-hole at the top of ceramic block, through-hole extends to ceramic block bottom through ceramic block, and via top is equipped with the fixing screws being adapted with through-hole, it is provided at the top of ceramic block using ceramic block center as symmetrical electric interfaces, tempering protective film is connected at the top of insulating sleeve, ring concentrator inner wall side is provided with equidistant protrusion, circuit board assemblies one end is connected with Hall element and the temperature inductor positioned at Hall element side.Advantageous effect：The utility model is simple in structure, can effectively avoid temperature change and generate zero migration phenomenon, the sensitivity of sensor is improved with this.
Description
Technical field
The utility model is related to sensor technical field, it particularly relates to a kind of included temperature and zero migration compensation
High-precision hall current sensor.
Background technology
Hall current sensor is based on magnetic balance type hall principle, according to Hall effect principle, from the control of Hall element
Current terminal is passed through electric current Ic, then can experience the information of tested electric current, and can will detect the information experienced, according to certain rules
The electric signal for meeting certain standard needs or the information output of other required forms are for conversion into, to meet the transmission of information, place
The requirements such as reason, storage, display, record and control.
With the progress of industrial technology, Hall current sensor is also more widely being used by staff, usually
Hall current sensor when in use, due to being influenced by ambient temperature and supply voltage, it is existing that " null offset " can be generated
As, and the heat insulation effect of sensor internal structure is bad, is unfavorable for using, and therefore, we can be to existing Hall current
Sensor is suitably modified.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the utility model proposes a kind of included temperature and zero migration to compensate high-precision suddenly
That current sensor, to overcome the above-mentioned technical problem present in existing the relevant technologies.
What the technical solution of the utility model was realized in：
A kind of included temperature and zero migration compensation high-precision hall current sensor, including ceramic block, sealing cover, insulation
Separation sleeve, ring concentrator, circuit board assemblies and metal mask, it is the ceramic block, the sealing cover, the insulating sleeve, described
Ring concentrator, the circuit board assemblies and the metal mask under upper band in being sequentially connected, and surrounding is pacified at the top of the ceramic block
Equipped with through-hole, the through-hole extends to the ceramic block bottom through the ceramic block, and the via top is equipped with and institute
The fixing screws that through-hole is adapted are stated, are provided at the top of the ceramic block using ceramic block center as symmetrical electric interfaces, it is described
The quantity of electric interfaces is two, is connected with tempering protective film at the top of the insulating sleeve, the ring concentrator inner wall side is set
Equidistant protrusion is equipped with, described circuit board assemblies one end is connected with Hall element and the temperature positioned at the Hall element side
Spend inductor, be provided between the Hall element and the temperature inductor with the switch that the circuit board assemblies are connected by
Button, the Hall element side are connected with micro-adjusting mechanism close to described switch button one end, be connected on the metal mask with
The card interface that the protrusion is adapted is provided with the mounting groove positioned at the metal mask top between the card interface.
Further, the plug connector of rectangular array is connected at the top of the sealing cover.
Further, pass through polygon control survey between the switch button and the Hall element and the temperature inductor
Connection.
Further, it is both provided with above the switch button and is connect with the detection being connected at the top of the circuit board assemblies
Mouthful.
Further, the metal mask top is connected with the heat emission hole between the mounting groove.
The beneficial effects of the utility model are：The electro-insulating rubber of ceramic block fitted seal lid connection that covers disposed on sensor is put
Set, can allow the heat-insulating property of sensor to be improved, and the Hall element on circuit board assemblies can detect the magnetic of electric current generation
Current information caused by, micro-adjusting mechanism can be that Hall element carries out centainly when by supply voltage and unstable electric current
It adjusts, so as to which the detection on sensor be avoided to influence, the protrusion on ring concentrator clasps the card interface on metal mask, by circuit
Plate component wraps up, and can increase the sensitivity of Hall current sensor with the magnetic field of strengthening electric current in this way, the installation on metal mask
Heat emission hole is connected between slot, further improves the constant temperature effect of sensor internal, is avoided due to temperature change and to passing
Sensor has an impact, and a series of such structures are conducive to the Commercial cultivation of Hall current sensor, can effectively avoid temperature
Degree changes and generates zero migration phenomenon, while improve the sensitivity of Hall current sensor.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is to carry temperature and zero migration compensation high-precision hall current sensor according to the utility model embodiment
Explosive view；
Fig. 2 is the structure diagram according to the utility model embodiment ceramic block；
Fig. 3 is the structure diagram according to the utility model embodiment circuit board assemblies.
In figure：
1st, ceramic block；2nd, sealing cover；3rd, insulating sleeve；4th, ring concentrator；5th, circuit board assemblies；6th, metal mask；7th, lead to
Hole；8th, fixing screws；9th, electric interfaces；10th, tempering protective film；11st, it is raised；12nd, Hall element；13rd, temperature inductor；14、
Switch button；15th, micro-adjusting mechanism；16th, card interface；17th, mounting groove；18th, plug connector；19th, conducting wire；20th, interface is detected；21st, it dissipates
Hot hole.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art's all other embodiments obtained all belong to
In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of included temperature and zero migration compensation high-precision hall electric current
Sensor.
As shown in Figs. 1-3, according to the included temperature of the utility model embodiment and zero migration compensation high-precision hall electricity
Flow sensor, it is described including ceramic block 1, sealing cover 2, insulating sleeve 3, ring concentrator 4, circuit board assemblies 5 and metal mask 6
Ceramic block 1, the sealing cover 2, the insulating sleeve 3, the ring concentrator 4, the circuit board assemblies 5 and the metal mask
6 under upper band in being sequentially connected, and the 1 top surrounding of ceramic block is mounted on through-hole 7, and the through-hole 7 runs through the ceramic block 1
1 bottom of ceramic block is extended to, and 7 top of the through-hole is equipped with the fixing screws 8 being adapted with the through-hole 7, it is described
1 top of ceramic block is provided with using 1 center of ceramic block as symmetrical electric interfaces 9, and the quantity of the electric interfaces 9 is two, institute
It states 3 top of insulating sleeve and is connected with tempering protective film 10, the 4 inner wall side of ring concentrator is provided with protrusion 11 at equal intervals,
Described 5 one end of circuit board assemblies is connected with Hall element 12 and the temperature inductor 13 positioned at 12 side of Hall element,
The switch button being connected with the circuit board assemblies 5 is provided between the Hall element 12 and the temperature inductor 13
14,12 side of Hall element is connected with micro-adjusting mechanism 15 close to described 14 one end of switch button, on the metal mask 6
The card interface 16 being adapted with described raised 11 is connected with, is provided between the card interface 16 and is pushed up positioned at the metal mask 6
The mounting groove 17 in portion.
In addition, in one embodiment, 2 top of sealing cover is connected with the plug connector 18 of rectangular array, plug connector 18
Be provided with conducive to electromagnetic field caused by the detection electric current of Hall element 12 connected on circuit board assemblies 5, switch button 14 with
It is controlled and connected by conducting wire 19 between Hall element 12 and temperature inductor 13, when Hall current sensor internal electronic element
When corresponding circuit problem occurs, power switch 14 can be closed automatically, be cut off the power, the top of switch button 14 be both provided with
The detection interface 20 that 5 top of circuit board assemblies is connected, 6 top of metal mask are connected with the heat dissipation between mounting groove 17
Hole 21.
In addition, can be 4 He of ring concentrator for the electric interfaces 9 connected on ceramic block 1 in one embodiment
Play the role of conduction connection between circuit board assemblies 5, when external circuitry is closed, can in a certain range be reflected by electric current
Go out corresponding current field, Hall element 12 coordinates micro-adjusting mechanism 15, enables to the significantly more efficient inspection of Hall current sensor
It surveys the corresponding information of electric current and is stored, transmitted and shown.
Likewise, in specific application, other relevant technical solutions can also be used to be substituted, for example, with protecting
The sealing cover 2 of warm supporting role and the conducting wire 19 of conduction connection effect, just do not illustrate, but one by one herein for corresponding alternative
Case is also understood in the scope of protection of the utility model.
In conclusion by means of the above-mentioned technical proposal of the utility model, ceramic block 1 that covers disposed on sensor is put coordinates close
The insulation rubber sleeve 3 of 2 connection of capping, can allow the heat-insulating property of sensor to be improved, the Hall element on circuit board assemblies 5
12 can detect current information caused by the magnetic field of electric current generation, and micro-adjusting mechanism 15 can be Hall element 12 by power supply
It is centainly adjusted when voltage and current is unstable, so as to which the detection on sensor be avoided to influence, the protrusion 11 on ring concentrator 4 is detained
The card interface 16 on metal mask 6 is stayed in, circuit board assemblies 5 are wrapped up, can Hall electricity be increased with the magnetic field of strengthening electric current in this way
The sensitivity of flow sensor is connected with heat emission hole 21 between the mounting groove 17 on metal mask 6, further improves sensor
Internal constant temperature effect, avoids having an impact the detection of sensor due to temperature change, a series of such structures are advantageous
In the Commercial cultivation of Hall current sensor, it can effectively avoid temperature change and generate zero migration phenomenon, improve simultaneously
The sensitivity of Hall current sensor.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of included temperature and zero migration compensation high-precision hall current sensor, which is characterized in that including ceramic block
(1), sealing cover (2), insulating sleeve (3), ring concentrator (4), circuit board assemblies (5) and metal mask (6), the ceramic block
(1), the sealing cover (2), the insulating sleeve (3), the ring concentrator (4), the circuit board assemblies (5) and the metal
Mask (6) is sequentially connected under upper band, and surrounding is mounted on through-hole (7) at the top of the ceramic block (1), and the through-hole (7) is passed through
It wears the ceramic block (1) and extends to the ceramic block (1) bottom, and be equipped with and the through-hole (7) phase at the top of the through-hole (7)
The fixing screws (8) of adaptation, ceramic block (1) top are provided with using ceramic block (1) center as symmetrical electric interfaces (9),
The quantity of the electric interfaces (9) is two, and tempering protective film (10), the collection are connected at the top of the insulating sleeve (3)
Magnet ring (4) inner wall side is provided with raised at equal intervals (11), and described circuit board assemblies (5) one end is connected with Hall element (12)
And the temperature inductor (13) positioned at the Hall element (12) side, the Hall element (12) and the temperature inductor
(13) switch button (14) being connected with the circuit board assemblies (5) is provided between, Hall element (12) side is leaned on
Nearly described switch button (14) one end is connected with micro-adjusting mechanism (15), is connected with and the protrusion on the metal mask (6)
(11) card interface (16) being adapted, the installation being provided between the card interface (16) at the top of the metal mask (6)
Slot (17).
2. a kind of included temperature according to claim 1 and zero migration compensation high-precision hall current sensor, special
Sign is, the plug connector (18) of rectangular array is connected at the top of the sealing cover (2).
3. a kind of included temperature according to claim 1 and zero migration compensation high-precision hall current sensor, special
Sign is, passes through conducting wire between the switch button (14) and the Hall element (12) and the temperature inductor (13)
(19) control connection.
4. a kind of included temperature according to claim 3 and zero migration compensation high-precision hall current sensor, special
Sign is, the detection interface with being connected at the top of the circuit board assemblies (5) is both provided with above the switch button (14)
(20)。
5. a kind of included temperature according to claim 1 and zero migration compensation high-precision hall current sensor, special
Sign is that metal mask (6) top is connected with the heat emission hole (21) between the mounting groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721376061.3U CN207488350U (en) | 2017-10-24 | 2017-10-24 | A kind of included temperature and zero migration compensation high-precision hall current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721376061.3U CN207488350U (en) | 2017-10-24 | 2017-10-24 | A kind of included temperature and zero migration compensation high-precision hall current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207488350U true CN207488350U (en) | 2018-06-12 |
Family
ID=62481124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721376061.3U Expired - Fee Related CN207488350U (en) | 2017-10-24 | 2017-10-24 | A kind of included temperature and zero migration compensation high-precision hall current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207488350U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541291A (en) * | 2018-11-30 | 2019-03-29 | 重庆嘉陵华光光电科技有限公司 | Wide temperature high-precision multichannel current acquisition system |
| CN109814608A (en) * | 2019-02-14 | 2019-05-28 | 浙江中控太阳能技术有限公司 | A kind of High-precision heliostat base position position finding and detection method and device |
| CN110542870A (en) * | 2019-08-08 | 2019-12-06 | 宁波中车时代传感技术有限公司 | Compensation circuit for sensitivity and zero temperature drift in Hall sensor integrated chip and compensation method thereof |
-
2017
- 2017-10-24 CN CN201721376061.3U patent/CN207488350U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541291A (en) * | 2018-11-30 | 2019-03-29 | 重庆嘉陵华光光电科技有限公司 | Wide temperature high-precision multichannel current acquisition system |
| CN109541291B (en) * | 2018-11-30 | 2021-10-08 | 重庆嘉陵华光光电科技有限公司 | Wide-temperature high-precision multi-path current acquisition system |
| CN109814608A (en) * | 2019-02-14 | 2019-05-28 | 浙江中控太阳能技术有限公司 | A kind of High-precision heliostat base position position finding and detection method and device |
| CN109814608B (en) * | 2019-02-14 | 2020-03-24 | 浙江中控太阳能技术有限公司 | High-precision heliostat reference position positioning detection method and device |
| CN110542870A (en) * | 2019-08-08 | 2019-12-06 | 宁波中车时代传感技术有限公司 | Compensation circuit for sensitivity and zero temperature drift in Hall sensor integrated chip and compensation method thereof |
| CN110542870B (en) * | 2019-08-08 | 2021-08-24 | 宁波中车时代传感技术有限公司 | Compensating circuit and method for sensitivity and zero temperature drift of Hall sensor integrated chip |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20211024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |