CN105807079B - The speed sensor assembly and its manufacturing method of high speed automobile motor - Google Patents
The speed sensor assembly and its manufacturing method of high speed automobile motor Download PDFInfo
- Publication number
- CN105807079B CN105807079B CN201610245713.3A CN201610245713A CN105807079B CN 105807079 B CN105807079 B CN 105807079B CN 201610245713 A CN201610245713 A CN 201610245713A CN 105807079 B CN105807079 B CN 105807079B
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- Prior art keywords
- inner casing
- printed board
- shell
- installation position
- casing
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/02—Housings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/02—Housings
- G01P1/026—Housings for speed measuring devices, e.g. pulse generator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
Abstract
The speed sensor assembly of high speed automobile motor, including shell, inner casing, gland, printed board casing, printed board assembly, cable, waterproof pipe fitting；The mounting hole on case head setting inner casing head, shell tail portion are installation position, and gland hole, inner casing mounting hole is respectively set on installation position；The inner casing is the cavity of interior sky, the closing of cavity head, cavity head are stretched out housing mounting holes and are limited by mounting hole, and installation position is arranged in tail of cavity body, installation position is embedded in the inner casing mounting hole of shell tail portion, and internal screw thread matched with waterproof pipe fitting is arranged in installation position；Perforation among the gland, can be buckled in the installation position of inner casing, and two sides are arranged installation position, inner casing is pressed on the gland hole of shell installation position by installation position；The printed board assembly setting connecting terminal links together printed board assembly and cable for the insulating end of connecting cable thread end.Assembling product is convenient, and debugging is easy, and performance is good.
Description
Technical field
The present invention relates to a kind of velocity sensor housing parts.
Background technique
Existing EMU traction electric drilling match is with velocity sensor mainly by device seat, cover board, sensing head shell, printing board group
Part, waterproof pipe fitting and cable are constituted, and assembling steps are as follows: cable is passed through soldering and welding in the weldering of printed board assembly
On disk, then it is fitted into X direction in sensing head shell, and by sensing head shell inner cavity encapsulating realize between the two
Fixation, so that cable, printed board assembly and sensing head shell are assembled into components；Components are filled in X direction
Enter device seat inner cavity, until the step surface of sensing head outer surface of outer cover withstands the step surface of device seat inner cavity, using X-direction as rotary shaft
Line, rotary inner core component adjust the phase difference between output signal, and after phase difference needed for obtaining, two holding screws are screwed into
Device seat, and the outer surface of sensing head shell is withstood, so that components be fixed；It is packed into waterproof pipe fitting from cable tail end,
And it is threadedly attached to device seat tail end, locking cable line；Sealant is poured into from the installing port of device seat upper end cover board, it is solid to glue
Cover board is buckled into device seat after change, and fixes cover board with four sunk screws, sensor completes assembling.
Existing velocity sensor housing unit has following several disadvantages in assembling speed sensor:
1, sensor device seat front end connection needs to connect using screw, and screw connection, which exists, potentially loosens hidden danger, screw
After loosening, cover board and screw can be fallen into traction electric machine, cause electrical fault.
2, the connection type of printed board and cable is pad soldering mode, and since cable core wire is thicker, when soldering is warded off
Tin amount is larger, and pad is heated for a long time to be easily caused pad damage, falls off, and is also applied with after thick core wire soldering to pad larger outer
Power easily causes desoldering.
3, sealant is relied only on to be isolated between the metal shells such as printed board assembly and device seat, stress levels are low.
4, device seat and cover board connection size are big, without other effective sealing structures in addition to sealant, cause sensor whole
Watertightness is poor.
5, when waterproof pipe joint locking cable, printed board assembly is similar cantilever beam structure, is easily introduced deformation and internal stress,
Cause the component desoldering in printed board.
Summary of the invention
The technical problem to be solved by the present invention is to provide high speed automobile motor for the above-mentioned insufficient of the prior art
Speed sensor assembly makes it have high voltage, high reliability and produceability.
The present invention has also correspondingly provided the manufacturing method of the speed sensor assembly of above-mentioned high speed automobile motor.
The technical scheme of the invention to solve the technical problem is:
The speed sensor assembly of high speed automobile motor, including shell, inner casing, gland, printed board casing, printing board group
Part, cable, waterproof pipe fitting；The mounting hole on case head setting inner casing head, shell tail portion are installation position, installation
Gland hole, inner casing mounting hole are respectively set on position；The inner casing is the cavity of interior sky, and the closing of cavity head, cavity head is stretched
It housing mounting holes and is limited out by mounting hole, installation position is arranged in tail of cavity body, and installation position is embedded in the inner casing peace of shell tail portion
It fills in hole, internal screw thread matched with waterproof pipe fitting is arranged in installation position；Perforation, can be buckled in the peace of inner casing among the gland
Position is filled, two sides are arranged installation position, inner casing is pressed on the gland hole of shell installation position by installation position；The print
Printed board assembly and cable are connected to by making sheet component setting connecting terminal for the insulating end of connecting cable thread end
Together；Printed board assembly is placed in printed board casing and sets by sealant full of gap between the two, then by printed board casing
It is full of gap between the two in inner casing and by sealant, is then fixed in inner casing installation position by waterproof pipe fitting again
On screw thread；Inner casing is placed in shell again, the mounting hole of case head is exposed on inner casing head, and the installing component of inner casing tail portion is placed in
In the inner casing mounting hole of shell tail portion, again by being fixed on inner casing in the gland hole of gland insertion shell after good phase to be adjusted
On shell.
Preferably, above-mentioned shell two sides also set up hollow out, can mitigate product under the premise of not influencing structural strength
Self weight.
Preferably, above-mentioned printed board assembly two sides also set up installation guide edge, and correspondingly printed board insulation casing inner cavity is set
Installation guide groove is set, installation guide edge matches with installation guide groove, with convenient for assembly and fixed printed board component, makes printed board
Component can be secured centrally in printed board insulation casing；And it is exhausted due to increasing between printed board assembly and external metallization shell
Edge printed board casing improves the pressure-resistant performance of product entirety component and metal shell is isolated.
Preferably, above-mentioned gland and inner casing mating surface use taper-face contact, increase contact surface area, improve contact and rub
Power is wiped, so that locking torque >=60Nm between the two.
Preferably, sensor housing and mounting base bearing can better assure velocity pick-up by laser welding in this way
The head sizes of device housing unit.
The manufacturing method of the speed sensor assembly of high speed automobile motor, includes the following steps:
(1) printed board assembly completes assembling as a previous module, will then press after the core wire end wire stripping of cable
Insulating end is connect, with elastomeric pad and screw by the insulating end of cable thread end fixed to the connecting terminal on printed board assembly
On, so that printed board assembly and cable are assembled into a second level module；
(2) printed board casing is inserted in the second level module made in previous step by, by printed board assembly two sides guide edge with
Installation guide groove in printed board casing inner cavity matches, so that printed board assembly can be secured centrally in printed board casing, it is complete
After assembly, in printed board casing inner cavity gap filling with sealant, the 3-level module of an entirety is formed it into；
(3) its entirety is filled in inner casing on earth after the sealant consolidation inside 3-level module by, and in inner casing inner cavity sky
Sealant is inserted at gap, waterproof pipe fitting is finally fixed by screwing to inner casing tail end, while locking cable line, is formed
Level Four module；
(4) inner casing is fitted into shell, and gland is then passed through above-mentioned level Four module tail portion, buckles into corresponding peace on shell
In tankage；
(5) rotates level Four module, adjusts the phase difference between sensor signal output channel, the phase difference needed for obtaining
Afterwards, screw passes sequentially through gland and is screwed into shell tailing screw flight hole, and gland is made to compress level Four module；
(6) is integral by shell and inner casing laser welding in sensor head.
Preferably, it is fitted into shell after inner casing set upper seal in above-mentioned steps (4), such better tightness.
Compared with prior art, the present invention has the following advantages:
A) multiple module design scheme is used, management easy to produce, assembling product, debugging are convenient.
B) connection type easily fallen below sensor mounting surface without screw etc. improves the reliability that product uses at the scene.
C) voltage endurance capability has a distinct increment, and can bear 3500 V r m s alternating voltages without puncturing.
D) assembling product, debugging are convenient, and core component without stress, improves the reliability of product in process of production.
E) laser welding mode is used, product integral strength and watertightness are improved.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram of the speed sensor assembly of high speed automobile motor of the embodiment of the present invention.
Fig. 2 to Fig. 7 is the structural representation of the speed sensor assembly installation process of high speed automobile motor of the embodiment of the present invention
Figure.
Specific embodiment
Below in conjunction with figure embodiment, the invention will be further described.
As shown in figs. 1-7, the speed sensor assembly of high speed automobile motor includes shell 1, inner casing 2, gland 3, printed board
Casing 6, printed board assembly 7, cable 8, waterproof pipe fitting 9.
The mounting hole 11 on above-mentioned 1 head of shell setting inner casing head 2,1 tail portion of shell are installation position 15, on installation position
Gland hole 12, inner casing mounting hole 13 is respectively set.
Above-mentioned 1 two sides of shell also set up hollow out 11, can mitigate product certainly under the premise of not influencing structural strength
Weight.
Above-mentioned inner casing 2 is the cavity of interior sky, and cavity head 21 is closed, and cavity head 21 stretches out housing mounting holes 11 and by pacifying
It fills hole 11 to limit, installation position 22 is arranged in tail of cavity body, and installation position 22 is embedded in the inner casing mounting hole 13 of 1 tail portion of shell, peace
It fills position 22 and internal screw thread 23 matched with waterproof pipe fitting 9 is set.
31 penetrate through among above-mentioned gland 3, can be buckled in the installation position 21 of inner casing 2, and two sides are arranged installation position 32, pass through
Inner casing 2 is pressed on the gland hole 12 of shell installation position by installation position 32.
Since three shell of original sensor, device seat and cover board components is substituted in above-mentioned shell 1, by the company between each component
It connects position and has changed into Sensor tail, so that so that sensor is protruded into traction electric machine part no longer has screw connection, improve production
The reliability of product in use.
Connecting terminal 71 is arranged in above-mentioned printed board assembly 7, for the round insulation end 81 of 8 end of connecting cable, and
Printed board assembly 7 and cable 8 are linked together by elastomeric pad 82 and screw 83, this sensor printed board assembly 7
Pad directly welds compared with 8 connection type of cable, has higher reliability, and cable 8 is not easy de- during temperature becomes
Weldering.
Above-mentioned 7 two sides of printed board assembly also set up installation guide edge 72, correspondingly printed board insulation 6 inner cavity of casing setting peace
Guide groove 61 is filled, installation guide edge 72 matches with installation guide groove 61, with convenient for assembly and fixed printed board component 7, so that
Printed board assembly 7 can be secured centrally in printed board insulation casing 6.And increase between printed board assembly and external metallization shell
Add insulation printed board casing 6, component and metal shell is isolated, improves the pressure-resistant performance of product entirety.
Above-mentioned gland 3 uses taper-face contact with 2 mating surface of inner casing, increases contact surface area, improves contact friction force,
So that locking torque >=60Nm between the two.
The manufacturing method of the speed sensor assembly of high speed automobile motor is as follows:
1. as shown in Fig. 2, printed board assembly 7 completes assembling as a previous module, then by the core wire end of cable 8
Round pre insulated end 81 is crimped after portion's wire stripping, with elastomeric pad 82 and screw 83 by the round pre insulated end of 8 end of cable
Head is fixed on the connecting terminal 81 on printed board assembly, so that printed board assembly 7 and cable 8 are assembled into a second level mould
Block.
2. as shown in figure 3, printed board casing 6 is inserted in the second level module made in previous step, by 7 liang of printed board assembly
Side guide edge 72 matches with the installation guide groove 61 in 6 inner cavity of printed board casing, so that printed board assembly 7 can be secured centrally to
In printed board casing 6, after completing assembly, in 6 inner cavity gap filling with sealant 73 of printed board casing, an entirety is formed it into
3-level module.Printed board assembly 7 is fully sealed colloid package protection in 3-level module, thus in subsequent assembling process interval
The influence of all external force absolutely.Meanwhile printed board casing 6 is isolated by printed board assembly 7 with external metallization shell, improves product
Whole pressure-resistant performance, make the pressure-resistant performance boost of product to 3500 V r m s alternating voltages.
3. after the sealant consolidation inside 3-level module, as shown in figure 4, its entirety is filled in inner casing 2 on earth, and inside
Sealant is inserted in 2 inner cavity gap of shell, and waterproof pipe fitting 9 is finally fixed by screwing to 2 tail end 21 of inner casing, is locked simultaneously
Tight cable 8, forms level Four module.Level Four module due to tail portion waterproof pipe fitting and the processing of internal encapsulating, form one it is close
The entirety closed has extremely strong vibration resistance and watertightness.
Claims (7)
1. the speed sensor assembly of high speed automobile motor, it is characterised in that: including shell, inner casing, gland, printed board casing,
Printed board assembly, cable, waterproof pipe fitting；The mounting hole on the head setting inner casing head of the shell, shell tail portion is peace
Position is filled, gland hole, inner casing mounting hole is respectively set on installation position；The inner casing is the cavity of interior sky, and cavity head is closed,
Cavity head is stretched out housing mounting holes and is limited by mounting hole, and installation position is arranged in tail of cavity body, and installation position is embedded in shell tail
In the inner casing mounting hole in portion, internal screw thread matched with waterproof pipe fitting is arranged in installation position；Perforation, can detain among the gland
In the installation position of inner casing, installation position is arranged in two sides, and inner casing is pressed on to the gland of shell installation position by installation position
Kong Shang；Connecting terminal is arranged in the printed board assembly, for the insulating end of connecting cable thread end, by printed board assembly and electricity
Cable links together；Printed board assembly is placed in printed board casing and by sealant full of gap between the two, then will print
Making sheet casing is placed in inner casing and by sealant full of gap between the two, is then fixed on inner casing peace by waterproof pipe fitting again
On the internal screw thread for filling position；Inner casing is placed in shell again, the mounting hole of case head, the peace of inner casing tail portion are exposed in inner casing head
Dress component be placed in the inner casing mounting hole of shell tail portion, after good phase to be adjusted again by gland insertion shell gland hole in and incite somebody to action
Inner casing is fixed on the shell.
2. the speed sensor assembly of high speed automobile motor as described in claim 1, it is characterised in that: the printing board group
Part two sides also set up installation guide edge, correspondingly printed board insulation casing inner cavity setting installation guide groove, installation guide edge and peace
Dress guide groove matches.
3. the speed sensor assembly of high speed automobile motor as claimed in claim 1 or 2, it is characterised in that: the gland
Taper-face contact is used with inner casing mating surface.
4. the speed sensor assembly of high speed automobile motor as claimed in claim 1 or 2, it is characterised in that: the shell
Two sides also set up hollow out.
5. the speed sensor assembly of high speed automobile motor as claimed in claim 1 or 2, it is characterised in that: sensor housing
Bearing passes through laser welding with mounting base.
6. the manufacturing method of the speed sensor assembly of high speed automobile motor, characterized by the following steps:
(1) printed board assembly completes assembling as a previous module, will then crimp after the core wire end wire stripping of cable exhausted
The insulating end of cable thread end is fixed on the connecting terminal on printed board assembly by acies head with elastomeric pad and screw,
To which printed board assembly and cable are assembled into a second level module；
(2) printed board casing is inserted in the second level module made in previous step by, by printed board assembly two sides guide edge and printing
Installation guide groove in plate casing inner cavity matches, so that printed board assembly can be secured centrally in printed board casing, completes dress
After matching, in printed board casing inner cavity gap filling with sealant, the 3-level module of an entirety is formed it into；
(3) its entirety is filled in inner casing on earth, and in inner casing inner cavity gap after the sealant consolidation inside 3-level module by
Sealant is inserted, waterproof pipe fitting is finally fixed by screwing to inner casing tail end, while locking cable line, forms level Four
Module；
(4) inner casing is fitted into shell, and gland is then passed through above-mentioned level Four module tail portion, buckles into corresponding mounting groove on shell
It is interior；
(5) rotates level Four module, adjusts the phase difference between sensor signal output channel, after the phase difference needed for obtaining, spiral shell
Nail passes sequentially through gland and is screwed into shell tailing screw flight hole, and gland is made to compress level Four module；
(6) is integral by shell and inner casing laser welding in sensor head.
7. the manufacturing method of the speed sensor assembly of high speed automobile motor as claimed in claim 6, it is characterised in that: step
(4) it is fitted into shell after inner casing set upper seal in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610245713.3A CN105807079B (en) | 2016-04-20 | 2016-04-20 | The speed sensor assembly and its manufacturing method of high speed automobile motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610245713.3A CN105807079B (en) | 2016-04-20 | 2016-04-20 | The speed sensor assembly and its manufacturing method of high speed automobile motor |
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| Publication Number | Publication Date |
|---|---|
| CN105807079A CN105807079A (en) | 2016-07-27 |
| CN105807079B true CN105807079B (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610245713.3A Active CN105807079B (en) | 2016-04-20 | 2016-04-20 | The speed sensor assembly and its manufacturing method of high speed automobile motor |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894513B (en) * | 2017-10-19 | 2020-04-07 | 宁波中车时代传感技术有限公司 | Hall speed sensor for rail transit and manufacturing method thereof |
| CN107942091B (en) * | 2017-10-19 | 2021-05-11 | 宁波中车时代传感技术有限公司 | Hall speed sensor for traffic and manufacturing method thereof |
| CN107907705B (en) * | 2017-10-19 | 2021-04-20 | 宁波中车时代传感技术有限公司 | Hall speed sensor for traffic and manufacturing method thereof |
| CN108828257A (en) * | 2018-09-07 | 2018-11-16 | 株洲联诚集团控股股份有限公司 | A kind of motor-car velocity sensor |
| CN111965387B (en) * | 2020-10-22 | 2020-12-22 | 宁波中车时代传感技术有限公司 | High-reliability acceleration sensor for motor train unit and preparation method thereof |
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| CN101876554A (en) * | 2010-05-31 | 2010-11-03 | 北汽福田汽车股份有限公司 | Component for speedometer sensor and speedometer sensor |
| CN101909540A (en) * | 2008-01-07 | 2010-12-08 | 罗伯特.博世有限公司 | Sensor device |
| CN203759041U (en) * | 2014-02-22 | 2014-08-06 | 佛山市兴宇物资有限公司 | Electromotor speed sensor |
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| CN204855546U (en) * | 2015-07-17 | 2015-12-09 | 宁波南车时代传感技术有限公司 | Side direction hall speedtransmitter that is qualified for next round of competitions based on laser welding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100577985B1 (en) * | 2004-05-07 | 2006-05-11 | 이서남 | Speed sensor for use of car |
| JP2009074993A (en) * | 2007-09-21 | 2009-04-09 | Aisin Seiki Co Ltd | Rotation detecting apparatus and method for manufacturing the rotation detecting apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101909540A (en) * | 2008-01-07 | 2010-12-08 | 罗伯特.博世有限公司 | Sensor device |
| CN101876554A (en) * | 2010-05-31 | 2010-11-03 | 北汽福田汽车股份有限公司 | Component for speedometer sensor and speedometer sensor |
| CN104685320A (en) * | 2012-08-17 | 2015-06-03 | Cts公司 | Motor vehicle chassis sensor |
| CN203759041U (en) * | 2014-02-22 | 2014-08-06 | 佛山市兴宇物资有限公司 | Electromotor speed sensor |
| CN204855546U (en) * | 2015-07-17 | 2015-12-09 | 宁波南车时代传感技术有限公司 | Side direction hall speedtransmitter that is qualified for next round of competitions based on laser welding |
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| CN105807079A (en) | 2016-07-27 |
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