CN204118998U - A kind of Hall electronic circuit of brushless electric machine - Google Patents
A kind of Hall electronic circuit of brushless electric machine Download PDFInfo
- Publication number
- CN204118998U CN204118998U CN201420550178.9U CN201420550178U CN204118998U CN 204118998 U CN204118998 U CN 204118998U CN 201420550178 U CN201420550178 U CN 201420550178U CN 204118998 U CN204118998 U CN 204118998U
- Authority
- CN
- China
- Prior art keywords
- hall
- electronic circuit
- circuit board
- electric machine
- brushless electric
- 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 - Lifetime
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushless Motors (AREA)
Abstract
The utility model discloses a kind of Hall electronic circuit of brushless electric machine, comprise electronic circuit board, electronic circuit board is provided with at least one hall sensing circuit unit, described each hall sensing circuit unit comprises the position signalling of a Hall chip for detection rotor, the output of Hall chip is connected with inverter, Hall chip is by the inverter rotor forward position signal that arrives of output detections outward, this structure is simple, can conveniently between the rising edge of Hall detection signal or the corresponding back electromotive force crest of trailing edge switch, avoid using Hall chip reverse side to respond to the bad phenomenon that may occur, reduce the maintenance of electronic circuit board and auxiliary materials.
Description
Technical field:
The utility model relates to a kind of Hall electronic circuit of brushless electric machine.
Background technology:
The brushless unit (bare machine) of present market demand gets more and more, and be provided with the position signalling of Hall circuit board for detection rotor, but the detection signal of different clients to rotor-position has different requirements inside bare machine.The corresponding back electromotive force crest of rising edge of some customer requirement Hall detection signal, the corresponding back electromotive force crest of trailing edge of some customer requirement Hall detection signal, the way had in the past is by changing the direction of winding of coil windings to reach the requirement of client, if but often change direction of winding aborning, operation extremely bothers, and easily makes mistakes.Current way is all the installation direction changing Hall circuit board, use the position signalling of the reverse side induction detection rotor of Hall element, but this detection mode reliability is low, induction detects bad having a big risk, and many cover Hall circuit board materials and the supporting fixed mount of Hall element will be produced, increase material maintenance difficulties.
Summary of the invention:
The purpose of this utility model is to provide a kind of Hall electronic circuit of brushless electric machine, this structure is simple, can conveniently between the rising edge of Hall detection signal or the corresponding back electromotive force crest of trailing edge switch, avoid using Hall chip reverse side to respond to the bad phenomenon that may occur, reduce the maintenance of electronic circuit board and auxiliary materials.
The purpose of this utility model is achieved by following technical proposals.
A kind of Hall electronic circuit of brushless electric machine, comprise electronic circuit board, electronic circuit board is provided with at least one hall sensing circuit unit, described each hall sensing circuit unit comprises the position signalling of a Hall chip for detection rotor, the output of Hall chip is connected with inverter, and Hall chip is by the inverter rotor forward position signal that arrives of output detections outward.
Printed wire at inverter two ends described above, electronic circuit board offer jack for contact resistance, and when needs output rotor reverse position signal, resistance is connected in parallel on the two ends of inverter by jack.
The quantity of hall sensing circuit unit described above is 3.
Described above is provided with some splicing ears on electronic circuit board, connects externally fed power supply and by the splicing ear rotor-position signal that arrives of output detections outward by splicing ear.
The quantity of splicing ear described above is 5, comprises power input terminal+5V, the first hall signal terminal H1, the second hall signal terminal H2, the 3rd hall signal terminal H3 and earth terminal GND.
Resistance described above is that welded and installed is on electronic circuit board.
The utility model compared with prior art, has following effect:
1) output of Hall chip is connected with inverter, Hall chip is by the inverter rotor forward position signal that arrives of output detections outward, at the printed wire at inverter two ends, electronic circuit board offers jack for contact resistance, when needs output rotor reverse position signal, resistance is connected in parallel on the two ends of inverter by jack, this structure is simple, can conveniently between the rising edge of Hall detection signal or the corresponding back electromotive force crest of trailing edge switch, avoid using Hall chip reverse side to respond to the bad phenomenon that may occur, reduce the maintenance of electronic circuit board and auxiliary materials,
2) on electronic circuit board, be provided with some splicing ears, connect externally fed power supply by splicing ear and by the splicing ear rotor-position signal that arrives of output detections outward, structure is simple, easy to connect, reliable;
3) resistance be welded and installed on electronic circuit board, technique is simple, and operating efficiency is high, and cost is low.
Accompanying drawing illustrates:
Fig. 1 is circuit diagram of the present utility model.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
As shown in Figure 1, the utility model is a kind of Hall electronic circuit of brushless electric machine, comprise electronic circuit board, electronic circuit board is provided with three hall sensing circuit units, described each hall sensing circuit unit comprises the position signalling of a Hall chip for detection rotor, the output of Hall chip is connected with inverter, and Hall chip is by the inverter rotor forward position signal that arrives of output detections outward.Hall chip comprises H1, H2 and H3, and inverter comprises U1, U2 and U3.The printed wire 11, electronic circuit board at inverter two ends offer jack 12 for contact resistance, and when needs output rotor reverse position signal, resistance is connected in parallel on the two ends of inverter by jack.Described resistance comprises R7, R8 and R9.
Electronic circuit board is provided with some splicing ears, connects externally fed power supply by splicing ear and by the splicing ear rotor-position signal that arrives of output detections outward.The quantity of splicing ear is 5, comprises power input terminal+5V, the first hall signal terminal H1, the second hall signal terminal H2, the 3rd hall signal terminal H3 and earth terminal GND.
Resistance R7, R8 and R9 are that welded and installed is on electronic circuit board.
Principle of the present utility model is: Hall chip H1, H2 and H3 are respectively by inverter U1, U2 and U3 rotor forward position signal of arriving of output detections outward, when needs output rotor reverse position signal, resistance R7, R8 and R9 are connected in parallel on the two ends of inverter U1, U2 and U3 respectively by jack 12, this structure is simple, can conveniently between the rising edge of Hall detection signal or the corresponding back electromotive force crest of trailing edge switch, avoid using Hall chip reverse side to respond to the bad phenomenon that may occur, reduce the maintenance of electronic circuit board and auxiliary materials.
Above embodiment is better embodiment of the present invention; but embodiments of the present invention are not limited thereto; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (6)
1. the Hall electronic circuit of a brushless electric machine, comprise electronic circuit board, electronic circuit board is provided with at least one hall sensing circuit unit, described each hall sensing circuit unit comprises the position signalling of a Hall chip for detection rotor, it is characterized in that: the output of Hall chip is connected with inverter, Hall chip is by the inverter rotor forward position signal that arrives of output detections outward.
2. the Hall electronic circuit of a kind of brushless electric machine according to claim 1, it is characterized in that: on the printed wire, electronic circuit board at inverter two ends, offer jack for contact resistance, when needs output rotor reverse position signal, resistance is connected in parallel on the two ends of inverter by jack.
3. the Hall electronic circuit of a kind of brushless electric machine according to claim 1 and 2, is characterized in that: the quantity of described hall sensing circuit unit is 3.
4. the Hall electronic circuit of a kind of brushless electric machine according to claim 3, it is characterized in that: on electronic circuit board, be provided with some splicing ears, connect externally fed power supply by splicing ear and by the splicing ear rotor-position signal that arrives of output detections outward.
5. the Hall electronic circuit of a kind of brushless electric machine according to claim 4, it is characterized in that: the quantity of described splicing ear is 5, comprise power input terminal+5V, the first hall signal terminal H1, the second hall signal terminal H2, the 3rd hall signal terminal H3 and earth terminal GND.
6. the Hall electronic circuit of a kind of brushless electric machine according to claim 2, is characterized in that: described resistance is that welded and installed is on electronic circuit board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550178.9U CN204118998U (en) | 2014-09-23 | 2014-09-23 | A kind of Hall electronic circuit of brushless electric machine |
| PCT/CN2014/088274 WO2016045149A1 (en) | 2014-09-23 | 2014-10-10 | Hall electronic circuit of brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550178.9U CN204118998U (en) | 2014-09-23 | 2014-09-23 | A kind of Hall electronic circuit of brushless electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118998U true CN204118998U (en) | 2015-01-21 |
Family
ID=52336276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420550178.9U Expired - Lifetime CN204118998U (en) | 2014-09-23 | 2014-09-23 | A kind of Hall electronic circuit of brushless electric machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204118998U (en) |
| WO (1) | WO2016045149A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115833658A (en) * | 2022-11-15 | 2023-03-21 | 珠海格力电器股份有限公司 | A circuit based on Hall element and its control method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5847592A (en) * | 1993-09-20 | 1998-12-08 | Deutsche Thomson-Brandt Gmbh | Driving circuit with several sensors |
| JP4454328B2 (en) * | 2004-01-29 | 2010-04-21 | 三洋電機株式会社 | Motor driving device, integrated circuit, and motor driving method |
| CN102594231B (en) * | 2012-02-16 | 2014-09-17 | 吉林大学 | Brushless motor rotor position signal decoding module for automobile electric power steering system |
| CN203027180U (en) * | 2013-01-24 | 2013-06-26 | 王汝新 | Controller of three-phase operation direct current brushless electric motor |
| CN203434904U (en) * | 2013-09-10 | 2014-02-12 | 中国航天科技集团公司第四研究院四0一所 | Brushless dc motor driver realized by pure hardware |
-
2014
- 2014-09-23 CN CN201420550178.9U patent/CN204118998U/en not_active Expired - Lifetime
- 2014-10-10 WO PCT/CN2014/088274 patent/WO2016045149A1/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115833658A (en) * | 2022-11-15 | 2023-03-21 | 珠海格力电器股份有限公司 | A circuit based on Hall element and its control method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016045149A1 (en) | 2016-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150121 |