CN109256908A - A kind of contactless angle feedback direct current air door executer - Google Patents
A kind of contactless angle feedback direct current air door executer Download PDFInfo
- Publication number
- CN109256908A CN109256908A CN201811227878.3A CN201811227878A CN109256908A CN 109256908 A CN109256908 A CN 109256908A CN 201811227878 A CN201811227878 A CN 201811227878A CN 109256908 A CN109256908 A CN 109256908A
- Authority
- CN
- China
- Prior art keywords
- direct current
- air door
- conductive terminals
- circuit board
- current air
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/34—Nozzles; Air-diffusers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/34—Nozzles; Air-diffusers
- B60H2001/3471—Details of actuators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The present invention discloses a kind of contactless angle feedback direct current air door executer, it include: direct current generator, PCB circuit board, encoder magnet, hall sensing chip, the contactless angle feeds back the existing slide potentiometer angular transducer of pulser technical substitution that direct current air door executer utilizes existing magnetic rotary encoder, the apparatus structure is simple, terminal applies suitability is strong, suitable easily creation electric motor of automobile actuator product platform, intelligent device, due to the noncontact measurement of magnetic rotary encoder, avoid mechanical friction, the signal of output is number of pulses signal, there is the transmission advantage more more stable than original analog voltage signal, and, with the raising of electronic component and chip fabrication techniques, magnetic rotation angular encoder manufacturing cost and price are lower and lower, the contactless angle feeds back the volume in direct current air door executer The material cost of code device magnet and hall sensing chip only has the 2/3 of original slide potentiometer.
Description
Technical field
The present invention relates to electromechanical integration electronics field of measuring technique, and in particular to a kind of contactless angle feedback direct current
Air door executer.
Background technique
Existing air conditioning for automobiles direct current air door executer product is by plastic casing, micro machine (direct current DC MOTOR), plastics
The elements such as gear set and position sensor (carbon-film potentiometer), gear wheel output shaft, input and output Plug pin patch bay composition, by micro-
Motor power-up rotation drives train of reduction gears and gear wheel output shaft and drives position sensor, position sensor feedback voltage letter
Number it is confirmed whether to have arrived at position and power off to control unit (i.e. air conditioning for automobiles ECU), realizes an angle of closed-loop control
The device of output；There are also a kind of air door actuator of automobile air-conditioner products to use stepper motor (STEPPER MOTOR), it does not have
Position sensor applies pulse signal by ECU controller, and electric impulse signal is converted into opening for mechanical displacement by stepper motor
Ring control model.
Air-conditioning direct current air door executer position sensor is generally made of sliding carbon-film potentiometer, it is by metal elastic brush in carbon
Partial pressure is slided in film resistance, to detect voltage variety (or angle variable quantity of mechanical location), to realize that actuator position is revolved
Turn output function；Since there are mechanical frictions, carbon-film potentiometer is slided in actual use, connecing between bullet brush and carbon film
Electric shock resistance can be gradually increased or even wear-out failure, and the voltage signal for exporting motor is abnormal, cause ECU control malfunction or not
, there is air door executer quality accident in movement.
Summary of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, a kind of contactless angle feedback direct current air door execution is provided
Device solves sliding carbon-film potentiometer in the prior art and there is mechanical friction in actual use and will appear the skill of wear-out failure
Art problem.
To reach above-mentioned technical purpose, technical solution of the present invention provides a kind of contactless angle feedback direct current air door and holds
Row device, comprising: direct current generator, PCB circuit board, encoder magnet, hall sensing chip, one end setting of the PCB circuit board
One through-hole, two the first conductive terminals and three the second conductive terminals, there are two for the other end setting of the PCB circuit board
Three conductive terminals and three the 4th conductive terminals；Two first conductive terminals pass through the conductor wire in the PCB circuit board
Road corresponds and is electrically connected with two third conductive terminals；Three second conductive terminals pass through the PCB circuit board
Interior conducting wire one-to-one correspondence is electrically connected with three the 4th conductive terminals；The direct current generator includes electric machine casing and electricity
Machine rotor, the rotor, which rotates coaxially, is built in the electric machine casing, and the head end of the rotor, tail end are worn respectively
The head end of the electric machine casing, tail end out；There are two power supply terminals for the tail end setting of the electric machine casing, and described in two
Power supply terminal one-to-one correspondence is electrically connected with two first conductive terminals；The tail end of the rotor passes through described logical
Encoder magnet described in Kong Houyu is fixedly and coaxially connected；The hall sensing chip is fixed in the PCB circuit board, and opposite
The encoder magnet arrangement, signal transmission end that there are three the hall sensing chip tools, three of the hall sensing chip
Signal transmission end one-to-one correspondence is electrically connected with three second conductive terminals.
Compared with prior art, the beneficial effect comprise that the contactless angle feeds back direct current air door executer
Utilize the existing slide potentiometer angular transducer of the pulser technical substitution of existing magnetic rotary encoder, apparatus structure letter
List, terminal applies suitability are strong, easily creation electric motor of automobile actuator product platform, intelligent device are fitted, due to magnetic rotation volume
The noncontact measurement of code device avoids mechanical friction, and the signal of output is number of pulses signal, is had than original analog voltage
The more stable transmission advantage of signal, also, with the raising of electronic component and chip fabrication techniques, magnetic rotation angular encoder system
Cause this and price lower and lower, which feeds back the encoder magnet and hall sensing in direct current air door executer
The material cost of chip only has the 2/3 of original slide potentiometer, since contactless angle feedback direct current air door executer is raw
Production batch is huge, can be a large amount of for factory's saving in the case of every product reduces by 1/3 using the material cost of sensor
Production capital.
Detailed description of the invention
Fig. 1 is the first view stereo structural schematic diagram of the invention.
Fig. 2 is the overlooking structure diagram of Fig. 1.
Fig. 3 is the second view stereo structural schematic diagram of the invention.
Fig. 4 is third view stereo structural schematic diagram of the invention.
Fig. 5 is the step-by-step counting schematic illustration of hall sensing chip in the present invention.
In Fig. 5: 41- reverse-voltage protection diode, 42- power module, the first Zener diode of 43-, the second Zener of 44-
Diode, 45- number of pulses output end, 46- Hall voltage generator, 47- dynamic deflection cancellation module, 48- feedback module,
The first difference amplifier of 49-, the second difference amplifier of 4b-, 4c- low-pass filter, 4d- Schmidt trigger, 4e- sample mould
Block, 4f- control module, 4g- overcurrent limit module.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1~5 are please referred to, the present embodiment provides a kind of contactless angles to feed back direct current air door executer, comprising: direct current
Motor 1, PCB circuit board 2, encoder magnet 3, hall sensing chip 4, P I N needle 5, Plug pin patch bay 6.
A through-hole, two the first conductive terminal 2a and three the second conductive terminals are arranged in one end of the PCB circuit board 2
2b, there are two third conductive terminal 2c and three the 4th conductive terminal 2d for the other end setting of the PCB circuit board 2；Two institutes
The first conductive terminal 2a is stated to correspond and two third conductive terminals by the conducting wire in the PCB circuit board 2
2c electrical connection；Three the second conductive terminal 2b are corresponded and three institutes by the conducting wire in the PCB circuit board 2
State the 4th conductive terminal 2d electrical connection.
The direct current generator 1 includes electric machine casing 11 and rotor 12, and the rotor 12, which rotates coaxially, to be built in
The electric machine casing 11, and the head end of the rotor 12, tail end are pierced by head end, the tail end of the electric machine casing 11 respectively；
There are two power supply terminal 11a for the tail end setting of the electric machine casing 11, and two power supply terminal 11a mono- are a pair of
It should be electrically connected with two the first conductive terminal 2a；In the present embodiment, two power supply terminal 11a are sheet,
Two power supply terminal 11a one-to-one correspondence are plugged in two the first conductive terminal 2a, and are welded and fixed with it；Institute
The tail end for stating rotor 12 is fixedly and coaxially connected after the through-hole with the encoder magnet 3.
The hall sensing chip 4 is fixed in the PCB circuit board 2, and the relatively described encoder magnet 3 is arranged, institute
The tool of hall sensing chip 4 is stated there are three signal transmission end 4a, three signal transmission end 4a mono- of the hall sensing chip 4 are a pair of
Ying Yusan the second conductive terminal 2b electrical connections, specifically, three signal transmission end of the hall sensing chip 4
4a one-to-one correspondence is positioned opposite with three the second conductive terminal 2b, and is welded and fixed with it.
The encoder magnet 3 includes installation sheet and pole pair, and the installation sheet is circle, the installation sheet and the electricity
The tail end of machine rotor 12 is fixedly and coaxially connected；The pole pair is multipair, circumferential direction of the multipair pole pair along the installation sheet
It being evenly arranged, in the present embodiment, the head end of the rotor 12 and the input shaft of gear train (not shown) are sequentially connected,
To ensure the gear train output angle precision, the reduction of speed ratio of general gear train is 500, is calculated with 500, the direct current generator 1
It rotates a circle, gear train output shaft rotates 360/500=0.72 °, and the magnetic pole is 4 clock synchronizations, and the hall sensing chip 4 identifies
Gear train output shaft rotates angular resolution are as follows: 0.72 °/(4*2)=0.09 °.
Two PI N needles 5 are plugged and fixed respectively in two third conductive terminals corresponding in the PCB circuit board 2
The position of 2c, PI N needle 5 described in the other three is plugged and fixed respectively leads in corresponding three the described 4th in the PCB circuit board 2
The position of electric terminal 2d；In the present embodiment, two third conductive terminal 2c and three the 4th conductive terminal 2d are all provided with
It is placed on same straight line；The Plug pin patch bay 6 is bar shaped, and the Plug pin patch bay 6 is fixedly connected with the PCB circuit board 2, and institute
Plug pin patch bay 6 is stated to cover and two third conductive terminal 2c and three the 4th conductive terminal 2d；Five PI N needles 5
Equal one end, which plugs, is fixed on the Plug pin patch bay 6, and pass through after the Plug pin patch bay 6 with the third conductive terminal 2c or described the
Four conductive terminal 2d electrical connection；The Plug pin patch bay 6 improves the stability that the PI N needle 5 is connect with the PCB circuit board 2.
Working principle: the contactless angle feeds back the pulse that direct current air door executer utilizes existing magnetic rotary encoder
The existing slide potentiometer angular transducer of device technical substitution, the apparatus structure is simple, terminal applies suitability is strong, fits easily creation
Electric motor of automobile actuator product platform, intelligent device avoid machine due to the noncontact measurement of magnetic rotary encoder
Tool friction, the signal of output are number of pulses signal, there is a transmission advantage more more stable than original analog voltage signal, also, with
The raising of electronic component and chip fabrication techniques, magnetic rotation angular encoder manufacturing cost and price are lower and lower, this is non-to connect
The material cost of encoder magnet 3 and hall sensing chip 4 in touch angle feed-back direct current air door executer is only original sliding
The 2/3 of electrokinetic potential device is used since contactless angle feedback direct current air door executer production batch is huge in every product
In the case of the material cost of sensor reduces by 1/3, a large amount of production capital can be saved for factory；The contactless angle is anti-
Direct current air door executer is presented compared with existing stepper motor air door executer, there is superior performance, the direct current
It is good that machine 1 is responded than the mechanical dynamic of stepper motor, has the efficiency ratio higher than stepper motor 40%；Driving method determines stepping
Motor needs higher hardware cost, controls complex software；Stepper motor air door executer non-angular exports feedback signal, and category is opened
Ring control, such as operates step-out, and automobile ECU can not know that there are systems to control risk.
The above described specific embodiments of the present invention are not intended to limit the scope of the present invention..Any basis
Any other various changes and modifications that technical concept of the invention is made should be included in the guarantor of the claims in the present invention
It protects in range.
Claims (6)
1. a kind of contactless angle feeds back direct current air door executer characterized by comprising direct current generator, PCB circuit board,
A through-hole, two the first conductive terminals and three is arranged in one end of encoder magnet, hall sensing chip, the PCB circuit board
A second conductive terminal, there are two third conductive terminal and three the 4th conductive terminals for the other end setting of the PCB circuit board；
Two first conductive terminals are corresponded and two third conducting ends by the conducting wire in the PCB circuit board
Son electrical connection；Three second conductive terminals are corresponded by the conducting wire in the PCB circuit board and described in three
The electrical connection of 4th conductive terminal；The direct current generator includes electric machine casing and rotor, and the rotor rotates coaxially interior
It is placed in the electric machine casing, and the head end of the rotor, tail end are pierced by the head end of the electric machine casing, tail end respectively；Institute
The tail end setting of electric machine casing is stated there are two power supply terminal, and two power supply terminals correspond and two institutes
State the electrical connection of the first conductive terminal；The tail end of the rotor is coaxially fixed after passing through the through-hole with the encoder magnet
Connection；The hall sensing chip is fixed in the PCB circuit board, and the relatively described encoder magnet arrangement, the Hall
There are three signal transmission end, three signal transmission end of the hall sensing chip to correspond and described in three for induction chip tool
The electrical connection of second conductive terminal.
2. contactless angle according to claim 1 feeds back direct current air door executer, which is characterized in that two electricity
Source connecting terminal is sheet, and two power supply terminal one-to-one correspondence are plugged in two first conductive terminals, and
It is welded and fixed with it.
3. contactless angle according to claim 1 feeds back direct current air door executer, which is characterized in that the Hall sense
It answers three signal transmission end of chip to correspond positioned opposite with three second conductive terminals, and is welded admittedly with it
It is fixed.
4. contactless angle according to claim 1 feeds back direct current air door executer, which is characterized in that the encoder
Magnet includes installation sheet and pole pair, and the installation sheet is circle, and the tail end of the installation sheet and the rotor is coaxially solid
Fixed connection；The pole pair is multipair, the multipair pole pair being arranged circumferentially along the installation sheet.
5. contactless angle according to claim 1 feeds back direct current air door executer, which is characterized in that described non-to connect
Touch angle feed-back direct current air door executer further includes five P I N needles, wherein two PI N needles be plugged and fixed respectively in
The position of two third conductive terminals is corresponded in the PCB circuit board, PI N needle described in the other three is plugged and fixed respectively
In the position of three the 4th conductive terminals corresponding in the PCB circuit board.
6. contactless angle according to claim 5 feeds back direct current air door executer, which is characterized in that two described the
Three conductive terminals and three the 4th conductive terminals are all set on same straight line；The contactless angle feedback is straight
Stream air door executer further includes a Plug pin patch bay, and the Plug pin patch bay is bar shaped, the Plug pin patch bay and the fixed company of the PCB circuit board
It connects, and the Plug pin patch bay covers and two third conductive terminals and three the 4th conductive terminals；Five P I
The equal one end of N needle, which plugs, is fixed on the Plug pin patch bay, and pass through after the Plug pin patch bay with the third conductive terminal or described the
The electrical connection of four conductive terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227878.3A CN109256908A (en) | 2018-10-22 | 2018-10-22 | A kind of contactless angle feedback direct current air door executer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227878.3A CN109256908A (en) | 2018-10-22 | 2018-10-22 | A kind of contactless angle feedback direct current air door executer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109256908A true CN109256908A (en) | 2019-01-22 |
Family
ID=65045995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811227878.3A Pending CN109256908A (en) | 2018-10-22 | 2018-10-22 | A kind of contactless angle feedback direct current air door executer |
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| CN (1) | CN109256908A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032065A (en) * | 2004-09-28 | 2007-09-05 | 马渊马达株式会社 | Optical encoder device of small motor, and manufacturing method therefor |
| CN102403865A (en) * | 2011-11-22 | 2012-04-04 | 奇瑞汽车股份有限公司 | Brushless direct current motor of automobile air conditioner detected on non-contact position |
| CN205986511U (en) * | 2016-08-31 | 2017-02-22 | 奉化市星宇电子有限公司 | Simple and easy motor encoder |
| KR20180032350A (en) * | 2016-09-22 | 2018-03-30 | 디와이오토 주식회사 | Electric motor apparatus provided with vertical type hall sensor |
| CN209001754U (en) * | 2018-10-22 | 2019-06-18 | 湖北开特汽车电子电器***股份有限公司 | A kind of contactless angle feedback direct current air door executer |
-
2018
- 2018-10-22 CN CN201811227878.3A patent/CN109256908A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032065A (en) * | 2004-09-28 | 2007-09-05 | 马渊马达株式会社 | Optical encoder device of small motor, and manufacturing method therefor |
| CN102403865A (en) * | 2011-11-22 | 2012-04-04 | 奇瑞汽车股份有限公司 | Brushless direct current motor of automobile air conditioner detected on non-contact position |
| CN205986511U (en) * | 2016-08-31 | 2017-02-22 | 奉化市星宇电子有限公司 | Simple and easy motor encoder |
| KR20180032350A (en) * | 2016-09-22 | 2018-03-30 | 디와이오토 주식회사 | Electric motor apparatus provided with vertical type hall sensor |
| CN209001754U (en) * | 2018-10-22 | 2019-06-18 | 湖北开特汽车电子电器***股份有限公司 | A kind of contactless angle feedback direct current air door executer |
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