CN107068854A - A kind of motor Hall element - Google Patents

A kind of motor Hall element Download PDF

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Publication number
CN107068854A
CN107068854A CN201710418503.4A CN201710418503A CN107068854A CN 107068854 A CN107068854 A CN 107068854A CN 201710418503 A CN201710418503 A CN 201710418503A CN 107068854 A CN107068854 A CN 107068854A
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CN
China
Prior art keywords
pin
plastic
sealed body
hall element
chip
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.)
Pending
Application number
CN201710418503.4A
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Chinese (zh)
Inventor
张波
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710418503.4A priority Critical patent/CN107068854A/en
Publication of CN107068854A publication Critical patent/CN107068854A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N52/00Hall-effect devices
    • H10N52/80Constructional details
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N52/00Hall-effect devices

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  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

The invention provides a kind of motor Hall element, chip, several pins being connected with chip including plastic-sealed body, in plastic-sealed body, the pin extends plastic-sealed body, portion is conformed with least one pin, the protruding part is in plastic-sealed body, and the plastic-sealed body lengthwise is 3.25mm 9mm.By the way that plastic-sealed body lengthwise is set into 3.25mm 9mm, so that on the one hand leaving space inside plastic-sealed body for pin sets jut, the stress of pin is improved;On the other hand prevent pin from contact with the iron core on motor or apart from closely causing very much to leak electricity, improve the security that Hall element uses and the reliability that motor insulate.

Description

A kind of motor Hall element
Technical field
The present invention relates to electronic component technology field, more particularly to a kind of motor Hall element.
Background technology
Hall element generally comprises plastic-sealed body, the chip in plastic-sealed body, the pin being connected with chip etc..Pin is usual It is pre-welded on wiring board, plastic-sealed body is then inserted in the groove that motor upper core is formed.In the art, plastic-sealed body lengthwise 3.0mm-3.24mm is usually arranged as, this is also a kind of parameter value sanctified by usage.In Hall element in actual use, by Easily cause electric leakage apart from close with iron core in pin, so as to cause Hall element to burn or cause motor electric leakage to cause insulation It is bad.In the prior art there is provided the method for two kinds of solution Hall element Insulation Problems, one of which is to put iron fluorine for pin Imperial insulation tube, but still there is gap between Teflon insulation tube and plastic-sealed body, pin can also touch iron core or from iron Core is closer to the distance, it is impossible to effectively solve electrical leakage problems, and another is that a suitable plastic stent is first covered on pin, then Teflon insulation tube is put on pin, although such a method has more preferable effect, plastic stent and modeling than above a kind of Between envelope body, there is gap between Teflon insulation tube and plastic stent, the distance of pin and iron core is still relatively near, still without Method effectively solves electrical leakage problems.In addition, Hall element is in installation process, pin needs to be bent, and pin angle folding is not Very big stress can be produced well, chip can be hurt, and cause to connect chip and the metal wire of pin is fallen off or rosin joint, influence The security that Hall element is used.
In view of this, it is necessary to motor Hall element of the prior art is improved, to solve the above problems.
The content of the invention
It is an object of the invention to disclose a kind of motor Hall element, stayed to one side inside plastic-sealed body for pin There is space that jut is set, improve the stress of pin;On the other hand prevent pin from being contacted with the iron core on motor or apart from too It is near to cause electric leakage, security and the reliability of motor insulation that raising Hall element is used.
To achieve the above object, the invention provides a kind of motor Hall element, including plastic-sealed body, in plastic-sealed body Chip, several pins being connected with chip, the pin extends plastic-sealed body, portion is conformed with least one pin, The protruding part is in plastic-sealed body, and the plastic-sealed body lengthwise is 3.25mm-9mm.
In some embodiments, the jut is formed with the radian bent towards pin direction with pin intersection.
In some embodiments, the number of the pin is three i.e. the first pin, second pin and the 3rd pin.
In some embodiments, in addition to the second framework, the first framework and the 3rd frame that are arranged in the second framework both sides Frame, first pin is fixed on the first framework, and the chip is fixed on the second framework, and the 3rd pin is fixed on On three frameworks.
In some embodiments, in addition to metal wire, the second pin is directly connected to chip, first pin It is connected respectively with chip by metal wire with the 3rd pin.
In some embodiments, jut, described are equipped with first pin, second pin and the 3rd pin Jut volume on one pin and the 3rd pin is more than the jut volume in second pin.
In some embodiments, the plastic-sealed body lengthwise is 4.7mm.
In some embodiments, the plastic-sealed body includes upper plastic-sealed body and lower plastic-sealed body, and the chip is located at lower plastic packaging In body.
Compared with prior art, the beneficial effects of the invention are as follows:By the way that plastic-sealed body lengthwise is set into 3.25mm-9mm, from And on the one hand leaving space inside plastic-sealed body for pin sets jut, the stress of pin is improved;On the other hand prevent from drawing Pin is contacted with the iron core on motor or apart from electric leakage is closely caused very much, improves security and motor insulation that Hall element is used Reliability.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of motor Hall element shown in the present invention;
Fig. 2 is a kind of internal structure schematic diagram of motor Hall element shown in the present invention.
Embodiment
The present invention is described in detail for shown each embodiment below in conjunction with the accompanying drawings, but it should explanation, these Embodiment not limitation of the present invention, those of ordinary skill in the art according to these embodiment institute work energy, method, Or equivalent transformation or replacement in structure, belong within protection scope of the present invention.
A kind of motor Hall element as illustrated in fig. 1 and 2, if including plastic-sealed body 1, the chip 8 in plastic-sealed body 1, The dry pin being connected with chip 8.In the present embodiment, the number of pin is three i.e. the first pin 2, second pin 3 and the Three pins 4.The plastic-sealed body 1 includes upper plastic-sealed body 11 and lower plastic-sealed body 12, and the chip 8 is located in lower plastic-sealed body 12.
Also include the second framework 6, be arranged in the first framework 5 and the 3rd framework 7 of the both sides of the second framework 6, described first draws Pin 2 is fixed on the first framework 5, and the chip 8 is fixed on the second framework 6, and the 3rd pin 4 is fixed on the 3rd framework 7 On.
Also include metal wire 91 and metal wire 92, the second pin 3 is directly connected to chip 8, first pin 2 and Chip 8 is connected by metal wire 91, and the 3rd pin 4 is connected with chip 8 by metal wire 92.
When mounted, the first pin 2, the pin 4 of second pin 3 and the 3rd are pre-welded to wiring board (not to the Hall element Show) on, in the groove that the insertion motor upper core (not shown) of plastic-sealed body 1 is formed, during subsequent installation, the first pin 2, The pin 4 of second pin 3 and the 3rd needs bending.
First pin 2, the pin 4 of second pin 3 and the 3rd extend lower plastic-sealed body 12.First pin 2 is provided with some Individual jut 21, second pin 3 is provided with several juts 31, and the 3rd pin 4 is provided with several juts 41, in this reality Apply in example, jut 21, the number of jut 31 and jut 41 is one, so as to add the first pin 2, second pin 3 and the 3rd pin 4 stress, prevent the first pin 2, the pin 4 of second pin 3 and the 3rd from causing metal wire 91 in BENDING PROCESS Come off with metal wire 92, ultimately result in Hall element and burn.Certainly, jut 21 and jut 41 also can be only set to omit projection Portion 31.
Jut 21, jut 31 and jut 41 are respectively positioned on inside lower plastic-sealed body 12.Due to second pin 3 and chip 8 It is directly connected to, second pin 3 is higher relative to the connection fastness of the first pin 2 and the 3rd pin 4 and chip 8, thus makes projection The volume of portion 21 and jut 41 is all higher than the volume of jut 31.
The intersection of 21 and first pin of jut 2 be formed with towards the direction of the first pin 2 bend radian, jut 31 with The intersection of second pin 3 is formed with the radian bent towards the direction of second pin 3, jut 41 and the intersection shape of the 3rd pin 4 Into the radian having towards the bending of the direction of the 3rd pin 4, so as to further increase the first pin 2, the pin 4 of second pin 3 and the 3rd Stress.The radian size is 0 ° -90 °.
The longitudinal length X of the plastic-sealed body 1 is 3.25mm-9mm, is on the one hand the first pin 2, second pin 3 and the 3rd Pin 4 leaves space and sets jut 21, jut 31 and jut 41, on the other hand prevents the first pin 2, second pin 3 Being contacted with the 3rd pin 4 with the iron core on motor causes electric leakage.In the art, the longitudinal length X of traditional plastic-sealed body 1 Custom is arranged on 3.0mm-3.24mm, causes the inner space of plastic-sealed body 1 smaller, it is impossible in the first pin 2, second pin 3 and the Jut 21, jut 31 and jut 41 are set respectively on three pins 4, in addition, the first pin 2, second pin 3 and the 3rd are drawn Pin 4 easily contacted with the iron core on motor or close to cause electric leakage.Thus, the longitudinal length X of plastic-sealed body 1 is set to 3.25mm-9mm, overcomes technology prejudice in a sense.In the present embodiment, the longitudinal length X of plastic-sealed body 1 is preferably 4.7mm, so as to can reach that the effect above again can be cost-effective.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention Or change should be included in the scope of the protection.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (8)

1. a kind of motor Hall element, it is characterised in that chip including plastic-sealed body, in plastic-sealed body, several and core The pin of piece connection, the pin extends plastic-sealed body, portion is conformed with least one pin, the protruding part is in plastic packaging In vivo, the plastic-sealed body lengthwise is 3.25mm-9mm.
2. motor Hall element according to claim 1, it is characterised in that the jut is formed with pin intersection There is the radian bent towards pin direction.
3. motor Hall element according to claim 2, it is characterised in that the number of the pin is three i.e. first Pin, second pin and the 3rd pin.
4. motor Hall element according to claim 3, it is characterised in that also including the second framework, be arranged in second The first framework and the 3rd framework of framework both sides, first pin are fixed on the first framework, and the chip is fixed on second On framework, the 3rd pin is fixed on the 3rd framework.
5. motor Hall element according to claim 4, it is characterised in that also including metal wire, the second pin It is directly connected to chip, first pin and the 3rd pin are connected with chip by metal wire respectively.
6. motor Hall element according to claim 5, it is characterised in that first pin, second pin and The jut volume on jut, first pin and the 3rd pin is equipped with three pins more than the projection in second pin Portion's volume.
7. motor Hall element according to claim 1, it is characterised in that the plastic-sealed body lengthwise is 4.7mm.
8. motor Hall element according to claim 1, it is characterised in that the plastic-sealed body includes upper plastic-sealed body with Plastic-sealed body, the chip is located in lower plastic-sealed body.
CN201710418503.4A 2017-06-06 2017-06-06 A kind of motor Hall element Pending CN107068854A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710418503.4A CN107068854A (en) 2017-06-06 2017-06-06 A kind of motor Hall element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710418503.4A CN107068854A (en) 2017-06-06 2017-06-06 A kind of motor Hall element

Publications (1)

Publication Number Publication Date
CN107068854A true CN107068854A (en) 2017-08-18

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CN201710418503.4A Pending CN107068854A (en) 2017-06-06 2017-06-06 A kind of motor Hall element

Country Status (1)

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CN (1) CN107068854A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109817097A (en) * 2019-01-31 2019-05-28 武汉华星光电半导体显示技术有限公司 Flexible display panels

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203037835U (en) * 2011-10-31 2013-07-03 旭化成微电子株式会社 Magnetic sensor
CN204303873U (en) * 2014-12-25 2015-04-29 南京中旭电子科技有限公司 A kind of air-tight packaging structure of Hall chip integrated circuit
CN104779234A (en) * 2014-01-10 2015-07-15 万国半导体股份有限公司 Semiconductor device for inhibiting creepage phenomenon and preparation method thereof
CN205542902U (en) * 2016-01-26 2016-08-31 江苏康尚生物医疗科技有限公司 Hall device and mounting structure thereof
CN206758469U (en) * 2017-06-06 2017-12-15 张波 A kind of motor Hall element

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203037835U (en) * 2011-10-31 2013-07-03 旭化成微电子株式会社 Magnetic sensor
CN104779234A (en) * 2014-01-10 2015-07-15 万国半导体股份有限公司 Semiconductor device for inhibiting creepage phenomenon and preparation method thereof
CN204303873U (en) * 2014-12-25 2015-04-29 南京中旭电子科技有限公司 A kind of air-tight packaging structure of Hall chip integrated circuit
CN205542902U (en) * 2016-01-26 2016-08-31 江苏康尚生物医疗科技有限公司 Hall device and mounting structure thereof
CN206758469U (en) * 2017-06-06 2017-12-15 张波 A kind of motor Hall element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109817097A (en) * 2019-01-31 2019-05-28 武汉华星光电半导体显示技术有限公司 Flexible display panels
US11196013B2 (en) 2019-01-31 2021-12-07 Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Flexible OLED display panel and display module

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Application publication date: 20170818

RJ01 Rejection of invention patent application after publication