CN102680764A - Closed-loop Hall current sensor - Google Patents
Closed-loop Hall current sensor Download PDFInfo
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- CN102680764A CN102680764A CN2012100946921A CN201210094692A CN102680764A CN 102680764 A CN102680764 A CN 102680764A CN 2012100946921 A CN2012100946921 A CN 2012100946921A CN 201210094692 A CN201210094692 A CN 201210094692A CN 102680764 A CN102680764 A CN 102680764A
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- circular hole
- coil
- heat sink
- printed board
- current sensor
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Abstract
The invention discloses a closed-loop Hall current sensor which comprises a triode, a radiating plate provided with a radiator, a main circuit board component, a connector, a coil and a coil fixing frame, wherein a circular hole is formed on the radiating plate; the main circuit board component is integrated with a printed board; a circular hole which is homocentric with the circular hole on the radiating plate is also formed on the printed board; a square hole screw stud is arranged above the coil fixing frame; the triode is fixed with the radiating plate through a heat-conductive double-sided tape; the square hole screw stud above the coil fixing frame passes through the circular hole of the printed board and the circular hole of the radiating plate in turn and then is fixed through a bolt; spacing pillars are sleeved between the printed board and the radiating plate and outside the square hole screw stud; the coil is bound under the coil fixing frame through the double-sided tape; the spacing pillar is also sleeved outside the connector; and the elements and components are loaded into a shell and are solidified by using pouring sealants.
Description
Technical field
The present invention relates to the closed loop Hall current sensor.
Background technology
Closed loop or magnetic balance type Hall current sensor are to utilize Hall effect to incite somebody to action once big current transformation to be the sensor of secondary small voltage signal; Strong because of the interference performance of factors such as it has that measurement range is wide, the electrical isolation performance is good, measuring accuracy is high, good, the anti-external electromagnetic of the linearity and temperature, current-rising-rate is big, response speed is fast, overload capacity is strong, installation is simple, characteristics such as convenient, is widely used in aspects such as industrial automation technology, detection technique and information processing.But complex procedures, time-consuming during the components and parts assembly operation in the closed loop Hall current sensor in the market influences production efficiency, therefore is necessary to improve.
Summary of the invention
Technical matters to be solved by this invention is to overcome the above-mentioned deficiency of prior art and a kind of closed loop Hall current sensor is provided, and has characteristics such as simple in structure, easy to assembly.
The present invention addresses the above problem the technical scheme that is adopted: the closed loop Hall current sensor comprises that triode, device have heat sink, main circuit board assembly, connector, coil, the coil stationary frame of heating radiator; Have circular hole on the heat sink; The main circuit board assembly is integrated in the printed board; Also have in the printed board with heat sink on the concentric circular hole of circular hole, coil stationary frame top is provided with the square hole double-screw bolt and the coil stationary frame is provided with groove.Triode and heat sink are fixed through the bond plies band; Square hole double-screw bolt on the coil stationary frame passes behind printed board circular hole, the heat sink circular hole by screw retention successively, and between printed board and the heat sink, the square hole double-screw bolt is with spacer outward, coil relies on adhesive tape to be bundled in coil stationary frame below; Adhesive tape is wrapped in the groove of coil stationary frame; Connector also is socketed with outward at a distance from post, above-mentioned components and parts, the assembly shell of packing into, and solidify by casting glue.
Compared with prior art, the invention has the advantages that: heating radiator and triode are fixed through the bond plies band, have both guaranteed radiating effect, make simple to operation again; Coil stationary frame, printed board, heat sink are through square hole double-screw bolt, screw retention, and the blended rubber band is bundled into coil on the coil stationary frame, and operation is simple, save man-hour, and adopt the intensity of square hole double-screw bolt, screw retention high.
Description of drawings
Fig. 1 is a general structure exploded view of the present invention.
Fig. 2 is heat sink and triode assembling synoptic diagram.
Fig. 3 is a number of assembling steps synoptic diagram of the present invention.
Fig. 4 is a coil stationary shelf structure synoptic diagram.
Fig. 5 is an assembling procedure process flow diagram of the present invention.
Among the figure: 1, shell; 2, coil; 3, coil stationary frame, 31, the square hole double-screw bolt, 32, groove; 4, printed board; 5, spacer; 6, triode; 7, bond plies band; 8, heat sink; 9, connector; 10, at a distance from post; 11, adhesive tape; 12, screw.
Embodiment
Below in conjunction with accompanying drawing, embodiment the present invention is further specified.
Embodiment; Like Fig. 1, closed loop Hall current sensor shown in Figure 4, comprise shell 1, coil 2, coil stationary frame 3, printed board 4, spacer 5, triode 6, bond plies band 7, heat sink 8, connector 9, at a distance from post 10, adhesive tape 11, screw 12.Device has heating radiator on the heat sink 8; And edge has circular hole; The main circuit board assembly that comprises Hall element is integrated in the printed board 4, and printed board 4 edges also have the concentric circle holes corresponding with heat sink 8, and coil stationary frame 3 tops are provided with square hole double-screw bolt 31; Square hole double-screw bolt 31 can pass circular hole, and the coil stationary frame is provided with groove 32.
Assembling process such as Fig. 2, shown in Figure 3 select the bond plies band 7 that viscosity is strong, thermal resistance is little, coefficient of heat conductivity is high that triode 6 is fixing with heat sink 8 bondings earlier; Again the square hole double-screw bolt 31 on the coil stationary frame 3 is passed printed board circular hole, heat sink circular hole successively; And between printed board 4 and heat sink 8, outside the square hole double-screw bolt 31, be with spacer 5; The external diameter of spacer 5 makes between printed board 4, the heat sink 8 and leaves enough spaces greater than the diameter of circular hole, prevents the components and parts short circuit or is extruded; Screw 12 is screwed in double-screw bolt 31, coil stationary frame 3, printed board 4 and heat sink 8 are fixed together; Adopt adhesive tape 11 that coil 2 is bundled in coil stationary frame 3 belows afterwards, owing to leave groove 32 on the coil stationary frame 3, coil stationary frame 3 is equivalent to leave a slit between the two after fixing with printed board 4, and adhesive tape 11 can pass in this slit.In like manner, lost efficacy connector 9 outer also being with at a distance from post 10 in order to prevent connector 9 to be extruded.After the components and parts that assemble, assembly put into inductor shell 1, solidified by casting glue and to get final product, process flow is as shown in Figure 5.Obviously, bond plies band, adhesive tape, square hole double-screw bolt, screw can be replaced by other equivalent unit.
Claims (4)
1. closed loop Hall current sensor; Comprise and place shell; The triode of casting glue cast cured explosive, device have heat sink, main circuit board assembly, connector, coil, the coil stationary frame of heating radiator; It is characterized in that: said triode and heat sink are fixed through the bond plies band, have circular hole on the heat sink; Said main circuit board assembly is integrated in the printed board, also has the circular hole concentric with the heat sink circular hole in the printed board; Said coil stationary frame top is provided with the square hole double-screw bolt, and the square hole double-screw bolt is fixed the three by screw after passing printed board circular hole, heat sink circular hole successively; Coil relies on adhesive tape to be bundled in coil stationary frame below.
2. a kind of closed loop Hall current sensor according to claim 1 is characterized in that: said coil stationary frame is provided with groove, and when utilizing adhesive tape binding coil, adhesive tape is wrapped in the groove.
3. a kind of closed loop Hall current sensor according to claim 1 is characterized in that: between said printed board and the heat sink, the square hole double-screw bolt is with spacer outward, the spacer external diameter is greater than the diameter of printed board, heat sink circular hole.
4. a kind of closed loop Hall current sensor according to claim 1 is characterized in that: said connector is socketed with outward at a distance from post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094692.1A CN102680764B (en) | 2012-03-31 | 2012-03-31 | A kind of closed-loop Hall current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094692.1A CN102680764B (en) | 2012-03-31 | 2012-03-31 | A kind of closed-loop Hall current sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102680764A true CN102680764A (en) | 2012-09-19 |
| CN102680764B CN102680764B (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210094692.1A Active CN102680764B (en) | 2012-03-31 | 2012-03-31 | A kind of closed-loop Hall current sensor |
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| Country | Link |
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| CN (1) | CN102680764B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572438A (en) * | 2016-03-21 | 2016-05-11 | 山东交通学院 | Current sensor processing technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2334338A (en) * | 1998-02-12 | 1999-08-18 | Abb Metering Syst Ltd | Tamper detection in electro-mechanical electricity consumption meters |
| CN201666910U (en) * | 2009-11-24 | 2010-12-08 | 北京新创四方电子有限公司 | Magnetic balance type Hall current sensor |
| CN101963631A (en) * | 2010-08-31 | 2011-02-02 | 株洲南车时代电气股份有限公司 | High-current direct current sensor and manufacturing method thereof |
| CN102279305A (en) * | 2011-04-13 | 2011-12-14 | 大连丰和电力科技有限公司 | Closed loop magnetic balance type Hall current sensor |
| CN102355800A (en) * | 2011-10-14 | 2012-02-15 | 深圳市鑫汇科电子有限公司 | Pin insulation method of electronic element and component |
-
2012
- 2012-03-31 CN CN201210094692.1A patent/CN102680764B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2334338A (en) * | 1998-02-12 | 1999-08-18 | Abb Metering Syst Ltd | Tamper detection in electro-mechanical electricity consumption meters |
| CN201666910U (en) * | 2009-11-24 | 2010-12-08 | 北京新创四方电子有限公司 | Magnetic balance type Hall current sensor |
| CN101963631A (en) * | 2010-08-31 | 2011-02-02 | 株洲南车时代电气股份有限公司 | High-current direct current sensor and manufacturing method thereof |
| CN102279305A (en) * | 2011-04-13 | 2011-12-14 | 大连丰和电力科技有限公司 | Closed loop magnetic balance type Hall current sensor |
| CN102355800A (en) * | 2011-10-14 | 2012-02-15 | 深圳市鑫汇科电子有限公司 | Pin insulation method of electronic element and component |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572438A (en) * | 2016-03-21 | 2016-05-11 | 山东交通学院 | Current sensor processing technology |
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| CN102680764B (en) | 2015-09-16 |
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| CP01 | Change in the name or title of a patent holder |
Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road Patentee after: ZHUZHOU CRRC TIMES ELECTRIC CO., LTD. Patentee after: NINGBO CRRC TIMES SENSING TECHNOLOGY CO., LTD. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road Patentee before: Zhuzhou CSR Times Electric Co., Ltd. Patentee before: Ningbo CSR Times Transducer Technique Co., Ltd. |