CN209342035U - A kind of exploration type giant magnetoresistance angular transducer - Google Patents
A kind of exploration type giant magnetoresistance angular transducer Download PDFInfo
- Publication number
- CN209342035U CN209342035U CN201822046142.8U CN201822046142U CN209342035U CN 209342035 U CN209342035 U CN 209342035U CN 201822046142 U CN201822046142 U CN 201822046142U CN 209342035 U CN209342035 U CN 209342035U
- Authority
- CN
- China
- Prior art keywords
- interface board
- shell
- giant magnetoresistance
- angular transducer
- board
- 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.)
- Active
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
A kind of exploration type giant magnetoresistance angular transducer, including bracket shell, the integrated structure of bracket shell, its specific structure are as follows: including outer disc, deep gouge is provided among outer disc, interface board cabin is formed at deep gouge, perforation is set on interface board cabin, interface board bilge portion extends downwardly the link slot being connected to perforation, and connection trench bottom is arranged boss, is extended with block tongue on the link slot of boss bottom；Interface board is installed on the interface board cabin of bracket shell, socket is installed above interface board, socket casing sets cover plate shell, flexible board is provided with below interface board, flexible board bottom connection signal plate, the bottom of flexible board and signal plate are stuck in the bottom surface of boss simultaneously, and signal plate and block tongue cooperate clamping, signal plate bottom surface is equipped with giant magnetoresistance effect chip, and probe shell is nested with outside the link slot of bracket shell bottom.It need to only guarantee giant magnetoresistance effect chip in barrel-shaped magnet ring, it is time saving and energy saving to install, interference-free, the service life is long.
Description
Technical field
The utility model relates to sensor technical field, especially a kind of exploration type giant magnetoresistance angular transducer.
Background technique
Currently, motor is widely used in the every field such as daily life, industrial production.From daily washing machine,
Air-conditioning, electric car, then sewing machine, the numerically-controlled machine tool etc. of industrial circle are arrived, motor is wherein suffering from very important status.
Wherein, motor control is the core technology of motor field, and in motor rotation process, the accurate survey of motor rotor position and speed
Amount, and be the most important thing of Motor Control Field.
In the prior art, the measurement of motor rotor position and speed is compiled using rotary transformer and photoelectricity substantially
The scheme of code-disc.But rotary transformer is at high cost, reliability is poor, the service life is short, and photoelectric encoder installation is complicated, easily grinds
It damages, is insufficient vulnerable to interference, precision.With the discovery of giant magnetoresistance effect, motor rotor position is detected based on giant magneto-resistance sensor
Application with revolving speed is gradually promoted, and giant magneto-resistance sensor mounting means is the installation of axial plane formula at present, possesses installation accuracy
It is required that the disadvantages of high, vulnerable to interference.
Utility model content
The applicant provides a kind of structurally reasonable exploration type giant magnetoresistance angle for the disadvantage in above-mentioned existing production technology
Spending sensor makes its installation side so that the dedicated giant magnetoresistance effect chip of giant magnetoresistance angular transducer is insinuated into barrel-shaped magnet ring
Just, it is not easy to be disturbed, and the precision of exploration type giant magnetoresistance angular transducer signal detection also greatly improves.
Technical solution used by the utility model is as follows:
A kind of exploration type giant magnetoresistance angular transducer, including bracket shell, the integrated structure of bracket shell, specific structure
Are as follows: including outer disc, it is provided with deep gouge among outer disc, interface board cabin is formed at the deep gouge, interface board is provided on cabin
Perforation, interface board bilge portion extend downwardly the link slot being connected to perforation, and the bottom of the link slot is provided with boss, boss
Block tongue is extended on the link slot of bottom；Interface board, installation above the interface board are installed on the interface board cabin of the bracket shell
Socket is nested with cover plate shell outside socket, flexible board is provided with below interface board, the flexible board bottom connection signal plate is soft
Property plate bottom and signal plate be stuck in the bottom surface of boss simultaneously, signal plate and block tongue cooperate clamping, and the bottom surface of signal plate is also installed
There is giant magnetoresistance effect chip, is nested with probe shell outside the link slot of bracket shell bottom.
Its further technical solution is:
Multiple arc-shaped slotted holes are arranged in the outer ring of the outer disc, and the outside of the outer disc deep gouge is provided with and cover plate
The indent circular groove of shell connection.
The bolt hole fixed with interface board is provided on the interface board cabin.
There are two the block tongues being oppositely arranged for the tail portion extension of the link slot.
The flexible board is at bending structure.
The signal plate, flexible board, interface board constitute printed circuit board assembly after connecting with socket.
The structure of the cover plate shell are as follows: including arc-shaped structure, one end is provided with opening, and the inner ring of the opening prolongs upwards
Stretching has shell.
It is welded at T-shaped structure, top and the bottom surface of bracket shell in the section of the probe shell.
After the interface board is installed, the top of bracket shell is lower than at the top of interface board.
The beneficial effects of the utility model are as follows:
The utility model is compact-sized, reasonable, easy to operate, by the way that giant magnetoresistance effect chip is insinuated into barrel-shaped magnet ring
It is interior, it need to only guarantee giant magnetoresistance effect chip inside barrel-shaped magnet ring, it is time saving and energy saving to install, and facilitates operation, is not easy to be disturbed, the service life
It is long.
Giant magnetoresistance effect chip described in the utility model select TLE5012B (Infineon, infineon Germany),
The small, dedicateds giant magnetoresistances such as TLE5009, TLE5014, AS5040 (Austria microsystems AG Austria micro-system) effect
Detection chip is answered, angle value can be sent to external processing unit by asynchronous serial communication interface, external processing unit is to biography
The angle value that sensor obtains is handled, and can rapidly realize the accurate calculating of angle.
It is connected between signal plate and interface board described in the utility model with flexible board, so that it is small in size, avoid technique
Conflict enhances reliability.Giant magnetoresistance effect chip, socket are respectively welded on signal plate and interface board, this organization plan makes to probe into
The signal plate suqare of installation giant magnetoresistance effect chip minimizes in barrel-shaped magnet ring, reduces structural volume.
Probe shell described in the utility model, bracket shell, cover plate shell are all made of the molding of PBT+G30 material injection, with ultrasound
Wave welding method makes cover plate shell and bracket shell, and the two groups of hot melts popped one's head between shell and bracket shell stitch a ultrasonic bonding and complete,
Form probe body integration；Socket on cover plate shell protection interface plate, probe shell protection giant magnetoresistance effect chip and flexible board are kept away
Exempt to process the mechanical shock in transport process to printed circuit board assembly.
Barrel-shaped magnet ring described in the utility model is barrel-shaped at cylinder using ferritic modeling magnetic material injection is contained, to barrel-shaped magnetic
Ring inner wall orientation magnetizes, and generates the stable radial parallel magnetic field of single pair grade, makes exploration type giant magnetoresistance angular transducer signal detection
Precision improves.
Magnet ring frame described in the utility model is fixed with brass screws and motor shaft end, is avoided to the magnetic in barrel-shaped magnet ring
Field has an impact.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the explosive view of the utility model.
Fig. 3 is the main view (full sectional view) of the utility model.
Fig. 4 is the structural schematic diagram of the utility model printed circuit board assembly.
Fig. 5 is the structural schematic diagram of the utility model cover plate shell.
Fig. 6 is the structural schematic diagram of the utility model bracket shell.
Fig. 7 is the structural schematic diagram of the utility model bracket shell.
Fig. 8 is the main view (full sectional view) of the utility model bracket shell.
Fig. 9 is the application drawing of the utility model.
Figure 10 is the main view (full sectional view) of the utility model application drawing.
Wherein: 1, printed circuit board assembly；101, signal plate；102, flexible board；103, interface board；104, socket；2, huge
Magnetoresistance chip；3, probe shell；4, bracket shell；401, boss；402, block tongue；403, interface board cabin；404, it perforates；405, spiral shell
Keyhole；406, outer disc；407, link slot；5, cover plate shell；501, shell；6, barrel-shaped magnet ring；7, magnet ring frame；8, brass screws；9,
Aluminium pressing plate；10, electric motor end cap；11, motor shaft end.
Specific embodiment
With reference to the accompanying drawing, illustrate specific embodiment of the present utility model.
As shown in Fig. 2, the exploration type giant magnetoresistance angle sensor device of the present embodiment, including bracket shell 4, bracket shell 4 at
Integral structure, specific structure are as follows: including outer disc 406, deep gouge is provided among outer disc 406, is formed with and connects at deep gouge
Oralia cabin 403, be provided with perforation 404 on interface board cabin 403, and 403 bottom of interface board cabin is extended downwardly to be connected to perforation 404
Link slot 407, the bottom of link slot 407 are provided with boss 401, are extended with block tongue 402 on the link slot 407 of 401 bottom of boss；
Interface board 103 is installed on the interface board cabin 403 of bracket shell 4, socket 104 is installed above interface board 103, is nested with outside socket 104
Cover plate shell 5, the lower section of interface board 103 are provided with flexible board 102,102 bottom connection signal plate 101 of flexible board, flexible board 102
Bottom and signal plate 101 are stuck in the bottom surface of boss 401 simultaneously, and signal plate 101 and block tongue 402 cooperate clamping, the bottom of signal plate 101
Face is also equipped with giant magnetoresistance effect chip 2, and probe shell 3 is nested with outside the link slot 407 of 4 bottom of bracket shell.
As shown in fig. 6, multiple arc-shaped slotted holes are arranged in the outer ring of outer disc 406.
As shown in fig. 6, the outside of 406 deep gouge of outer disc is provided with the indent circular groove connecting with cover plate shell 5.
As shown in fig. 6, being provided with the bolt hole 405 fixed with interface board 103 on interface board cabin 403.
As shown in fig. 7, the tail portion of link slot 407 extends, there are two the block tongues 402 being oppositely arranged.
As shown in figure 4, flexible board 102 is at bending structure.
As shown in figure 4, signal plate 101, flexible board 102, interface board 103 and socket 104 constitute printed circuit board after connecting
Component 1.
As shown in figure 5, the structure of cover plate shell 5 are as follows: including arc-shaped structure, one end is provided with opening, the inner ring of opening to
On be extended with shell 501.
It is welded at T-shaped structure, top and the bottom surface of bracket shell 4 in the section of probe shell 3.
As shown in figure 3, being lower than the top of bracket shell 4 at the top of interface board 103 after interface board 103 is installed.
A kind of processing technology of exploration type giant magnetoresistance angular transducer, including following operating procedure:
Step 1: preparing signal plate 101, flexible board 102, interface board 103, socket 104, giant magnetoresistance effect chip 2, probe
Shell 3, bracket shell 4 and cover plate shell 5；
Step 2: flexible board 102 is installed in the lower section of 103 one end of interface board, signal plate 101 is installed in the bottom of flexible board 102；
Step 3: giant magnetoresistance effect chip 2 to be welded on to the bottom surface of signal plate 101；
Step 4: socket 104 to be welded on to the upper surface of interface board 103；
The assembling of printed circuit board assembly 1 is completed to the 4th step by the top first step；
Step 5: the signal plate 101 of printed circuit board assembly 1 penetrates in the perforation 404 of bracket shell 4, flexible board 102 and company
Access slot 407 is bonded, and makes signal plate 101 mounted in 401 bottom surface of boss, is blocked by block tongue 402；
Step 6: interface board 103 is screwed into bolt hole 405 by two screws, it is fixed on 403 upper surface of interface board cabin；
Step 7: cover plate shell 5 is mounted in the indent circular groove of outer disc 406, and it is welded and fixed；
Step 8: probe shell 3 is nested in 4 bottom of bracket shell, and it is welded and fixed.
In actual installation process, as shown in Figure 1, being assembled first to exploration type giant magnetoresistance angular transducer.Interface board
Flexible board 102 is installed in the lower section of 103 one end, and signal plate 101 is installed in the bottom of flexible board 102；Giant magnetoresistance effect chip 2 is welded
In the bottom surface of signal plate 101；Socket 104 is welded on to the upper surface of interface board 103；Complete printed circuit board assembly 1
Assembling；The signal plate 101 of printed circuit board assembly 1 penetrates in the perforation 404 of bracket shell 4, and flexible board 102 and link slot 407 paste
It closes, and makes signal plate 101 mounted in 401 bottom surface of boss, blocked by block tongue 402；The interface board 103 of printed circuit board assembly 1 passes through
Two screws are screwed into bolt hole 405, are fixed on 403 upper surface of interface board cabin；Cover plate shell 5 is welded in outer disc 406
In recessed circular groove；Probe shell 3 is welded on outside boss 401.Complete whole assemblings of exploration type giant magnetoresistance angular transducer.
In actual mechanical process, as shown in Figure 9 and Figure 10, firstly, the brass screws 8 of magnet ring frame 7 is fixed on motor shaft end
On 11, barrel-shaped magnet ring 6 is pasted onto 7 inner ring of magnet ring frame；It is assembled at 10 outer end face of electric motor end cap with screw and the compression of aluminium pressing plate 9
Exploration type giant magnetoresistance angular transducer so that the probe shell 3 of exploration type giant magnetoresistance angular transducer probes into barrel-shaped 6 cavity of magnet ring
It is interior；Be powered starting, can measure the position and speed of rotor.Its is easy to operate, and work efficiency is high.
Above description is the explanation to the utility model, is not the restriction to utility model, defined by the utility model
Range is within the protection scope of the utility model referring to claim, can make any type of modification.
Claims (9)
1. a kind of exploration type giant magnetoresistance angular transducer, it is characterised in that: including bracket shell (4), bracket shell (4) integrated knot
Structure, specific structure are as follows: including outer disc (406), be provided with deep gouge among outer disc (406), be formed with and connect at the deep gouge
Oralia cabin (403) is provided with perforation (404) on interface board cabin (403), and interface board cabin (403) bottom has extended downwardly and perforated
(404) link slot (407) being connected to, the bottom of the link slot (407) are provided with boss (401), the company of boss (401) bottom
Block tongue (402) are extended on access slot (407)；Interface board (103) are installed on the interface board cabin (403) of the bracket shell (4), it is described
Socket (104) are installed above interface board (103), are nested with cover plate shell (5) outside socket (104), the lower section setting of interface board (103)
Flexible plate (102), flexible board (102) the bottom connection signal plate (101), the bottom of flexible board (102) and signal plate
(101) it is stuck in the bottom surface of boss (401) simultaneously, signal plate (101) and block tongue (402) cooperate clamping, the bottom surface of signal plate (101)
It is also equipped with giant magnetoresistance effect chip (2), probe shell (3) is nested with outside the link slot (407) of bracket shell (4) bottom.
2. a kind of exploration type giant magnetoresistance angular transducer as described in claim 1, it is characterised in that: the outer disc (406)
Outer ring multiple arc-shaped slotted holes are set, the outside of outer disc (406) deep gouge be provided with connect with cover plate shell (5) it is interior
Recessed circular groove.
3. a kind of exploration type giant magnetoresistance angular transducer as described in claim 1, it is characterised in that: the interface board cabin
(403) bolt hole (405) fixed with interface board (103) is provided on.
4. a kind of exploration type giant magnetoresistance angular transducer as described in claim 1, it is characterised in that: the link slot (407)
Tail portion extend that there are two the block tongues (402) that are oppositely arranged.
5. a kind of exploration type giant magnetoresistance angular transducer as described in claim 1, it is characterised in that: the flexible board (102)
At bending structure.
6. a kind of exploration type giant magnetoresistance angular transducer as described in claim 1, it is characterised in that: the signal plate (101),
Printed circuit board assembly (1) is constituted after flexible board (102), interface board (103) and socket (104) connection.
7. a kind of exploration type giant magnetoresistance angular transducer as described in claim 1, it is characterised in that: the cover plate shell (5)
Structure are as follows: including arc-shaped structure, one end is provided with opening, and the inner ring of the opening has upwardly extended shell (501).
8. a kind of exploration type giant magnetoresistance angular transducer as described in claim 1, it is characterised in that: probe shell (3)
It is welded at T-shaped structure, the bottom surface at top and bracket shell (4) in section.
9. a kind of exploration type giant magnetoresistance angular transducer as described in claim 1, it is characterised in that: the interface board (103)
After being installed, the top of bracket shell (4) is lower than at the top of interface board (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822046142.8U CN209342035U (en) | 2018-12-06 | 2018-12-06 | A kind of exploration type giant magnetoresistance angular transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822046142.8U CN209342035U (en) | 2018-12-06 | 2018-12-06 | A kind of exploration type giant magnetoresistance angular transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209342035U true CN209342035U (en) | 2019-09-03 |
Family
ID=67750745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822046142.8U Active CN209342035U (en) | 2018-12-06 | 2018-12-06 | A kind of exploration type giant magnetoresistance angular transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209342035U (en) |
-
2018
- 2018-12-06 CN CN201822046142.8U patent/CN209342035U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110500941B (en) | Linear displacement magneto-dependent sensor with RS485 linear output | |
| CN104126055A (en) | Sensor device for contactless detection of rotation property of rotatable object | |
| CN209342035U (en) | A kind of exploration type giant magnetoresistance angular transducer | |
| CN204301754U (en) | Gear rotary encoder | |
| CN202814422U (en) | Ultrathin permanent-magnetism servo high-speed motor encoder | |
| CN208112440U (en) | The fixed structure of permanent magnet synchronous motor position sensor | |
| CN217900953U (en) | Water sensor and terminal equipment | |
| CN208282931U (en) | A kind of three-component vibration detection sensor | |
| JP2007155580A (en) | Rotation sensor | |
| CN208060547U (en) | A kind of motor speed encoder | |
| CN111288886A (en) | Probing giant magnetoresistance angle sensor and processing technology thereof | |
| CN205829400U (en) | Brushless electric machine | |
| CN205748772U (en) | Wind pressure sensor | |
| CN103575311A (en) | Ultra-thin encoder of permanent magnet servo high-speed motor | |
| CN204439134U (en) | A kind of corrosion-resistant baroceptor detected for inlet manifold | |
| CN203688573U (en) | Revolution speed sensor | |
| CN203349844U (en) | Crankshaft position sensor | |
| CN207216430U (en) | One kind rotation ranging sensing device and robot | |
| CN105938035A (en) | Wind pressure sensor | |
| CN214585522U (en) | Integrated Hall revolution speed sensor | |
| CN201589782U (en) | Rotation speed sensor of internal combustion engine | |
| CN207456359U (en) | The detection device of transmission shaft component and phone housing | |
| CN106026535A (en) | Hall groove 60-degree and Hall built-in sine wave motor and Hall module | |
| CN101608887A (en) | Detection method and appliance special for detecting that a kind of water seal installed surface is beated to the water pump body axis hole | |
| CN201464064U (en) | Cylinder head temperature sensor for motorcycle engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214125 No. 59-10 Xiuxi Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Lingbo Electronic Technology Co.,Ltd. Address before: 214125 No. 59-10 Xiuxi Road, Binhu District, Wuxi City, Jiangsu Province Patentee before: WUXI LINGBO ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |