CN203657845U - A novel air flow sensor - Google Patents
A novel air flow sensor Download PDFInfo
- Publication number
- CN203657845U CN203657845U CN201320894805.6U CN201320894805U CN203657845U CN 203657845 U CN203657845 U CN 203657845U CN 201320894805 U CN201320894805 U CN 201320894805U CN 203657845 U CN203657845 U CN 203657845U
- Authority
- CN
- China
- Prior art keywords
- base
- shell
- circuit board
- air flow
- pedestal
- 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 - Fee Related
Links
Images
Abstract
The utility model relates to a novel air flow sensor comprising an outer shell and a sensor body arranged on the outer shell. The sensor body comprises an installing shell, a circuit board, a probe and output pins. The installing shell comprises an upper cover and a pedestal. The output pins are arranged on the upper cover. The side wall of the outer shell is provided with a planar boss matched with the circuit board. The pedestal is arranged in the shape of an inverse U. The circuit board is pressed onto the planar boss through the pedestal. The upper end of the pedestal is provided with a wiring hole. The side wall of the outer shell is provided with check rings on the two ends of the planar boss. The check rings on the two ends of the planar boss abut the pedestal. The two side walls of the planar boss abut the inner walls of the two sides of the pedestal. The upper cover and the pedestal are fixed through fixing glue. The pedestal, the circuit board and the planar boss are fixed through bolts. The novel air flow sensor has the advantages that the installation and location between the upper cover and the pedestal and between the pedestal and the circuit board are facilitated and the assembly efficiency is increased.
Description
Technical field
The utility model relates to a kind of sensor, particularly a kind of novel air flow sensor.
Background technology
Air flow sensor, also claims air flowmeter, is one of important sensor of electronic fuel injection engine.It converts the air mass flow of suction to electric signal and delivers to ECU (Electrical Control Unit), as determining one of baseband signal of oil spout, is to measure the sensor that sucks engine air capacity.
Existing a kind of air flow sensor, include shell, be arranged on the sensor body on shell, described shell is provided with air flow channel, air flow channel two ends are provided with filter screen, described sensor body includes mounting shell, circuit board, probe, output pin, described output pin, probe are connected with circuit board, output pin is arranged on and covers, described mounting shell includes upper cover, base, described circuit board is between base and upper cover, and described upper cover, circuit board, base, shell are fixedly connected with through screw.
But the air flow sensor of this structure, in the time fixing upper cover, circuit board, base, shell by screw, need to make the position of positioning hole correspondence on these four parts, can not allow it produce position skew, make like this it inconvenient when mounted, reduce efficiency of assembling.
Summary of the invention
The purpose of this utility model: in order to overcome the defect of prior art, the utility model provides a kind of novel air flow sensor, it can facilitate the installation location between upper cover, base, circuit board and shell, thereby has improved efficiency of assembling.
The technical solution of the utility model: a kind of novel air flow sensor, include shell, be arranged on the sensor body on shell, described shell is provided with air flow channel, air flow channel two ends are provided with filter screen, described sensor body includes mounting shell, circuit board, probe, output pin, described output pin, probe is connected with circuit board, described mounting shell includes upper cover, base, output pin is arranged on and covers, it is characterized in that: the sidewall of described shell is provided with the plane boss matching with circuit board, described base is down the setting of " U " font, described circuit board is pressed on described plane boss through base, base upper end is provided with wiring hole, on described side wall of outer shell, be positioned at plane boss two ends and be provided with back-up ring, the back-up ring at plane boss two ends and base are conflicted, the inwall of the two side of plane boss and base both sides is conflicted, described upper cover and base are fixed through fixing glue, base, circuit board and plane boss are fixed through screw.
Adopt technique scheme, by upper cover and base are fixed through fixing glue, make like this easy to connect of upper cover and base, and locate firm; In the time of mounting circuit boards, circuit board is directly placed on plane boss, again base is pressed on circuit board, because plane boss and circuit board match, the back-up ring at plane boss two ends and base are conflicted, the inwall of the two side of plane boss and base both sides is conflicted, can prevent like this circuit board, position base skew, finally by screw, base, circuit board and plane boss is fixing, the novel air flow sensor of this structure, it can facilitate the installation location between upper cover, base, circuit board and shell, thereby has improved efficiency of assembling.
Further setting of the present utility model: the sidewall of described shell is provided with reference column, described reference column is provided with pilot hole, in described pilot hole, be provided with the locating sleeve that metal material is made, described locating sleeve and pilot hole interference fit, described locating sleeve is provided with mounting hole.
Adopt above-mentioned further setting, in the time of sensor installation, only need to be fixing by keeper and mounting hole, the locating sleeve that the metal material arranging in pilot hole is made, can make its installation locate firm, and, can extend serviceable life of locating sleeve.
Further setting more of the present utility model: the inwall at described shell two ends is provided with shoulder rank, described filter screen is arranged on described shoulder rank, described filter screen outside has also been installed with locating ring, described shell two ends are provided with limited block, described limited block and locating ring are conflicted, and the outboard end of described limited block is provided with groove.
Adopt above-mentioned further setting again, by locating ring, shoulder rank, filter screen is located, by limited block, locating ring is located, filter screen can be conveniently installed like this, can ensure that again its location is reliable, and, simple in structure.
Further setting of the present utility model: described base is that aluminum material is made.
Adopt above-mentioned further arrange, the base that aluminum material is made can conveniently dispel the heat, thus ensure sensor work long hours after stable work in work.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model specific embodiment;
Fig. 2 is screen mounting structure schematic diagram in the utility model specific embodiment;
Fig. 3 is I part partial enlarged drawing in Fig. 2;
Fig. 4 is understructure schematic diagram in the utility model specific embodiment.
Embodiment
As Figure 1-4, a kind of novel air flow sensor, include columniform plastic casing 1, be arranged on the sensor body 2 on shell 1, described shell 1 is provided with air flow channel 11, air flow channel 11 two ends are provided with filter screen 3, described sensor body 2 includes mounting shell 21, circuit board 22, probe, output pin 23, described output pin 23, probe is connected with circuit board 22, described mounting shell 21 includes the upper cover 211 that plastics are made, base 212, output pin 23 is arranged on upper cover 211, the sidewall of described shell 1 is provided with the plane boss 12 matching with circuit board 22, it is the shape of plane boss 12, size matches with circuit board 22, in the utility model specific embodiment, shown plane boss 12, circuit board 22 is rectangle, described base 212 is down the setting of " U " font, described circuit board 22 is pressed on described plane boss 12 through base 212, base 212 upper ends are provided with wiring hole 2121, on described shell 1 sidewall, be positioned at plane boss 12 two ends and be provided with back-up ring 13, back-up ring 13 and the base 212 at plane boss 12 two ends are conflicted, the inwall of the two side of plane boss 12 and base 212 both sides is conflicted, described upper cover 211 is fixed through fixing glue with base 212, base 212, circuit board and plane boss 12 are fixed through screw.By upper cover 211 and base 212 are fixed through fixing glue, make like this easy to connect of upper cover 211 and base 212, and locate firm, in the time of mounting circuit boards, circuit board 22 is directly placed on plane boss 12, again base 212 is pressed on circuit board, because plane boss 12 and circuit board 22 match, back-up ring 13 and the base 212 at plane boss 12 two ends are conflicted, the inwall of the two side of plane boss 12 and base 212 both sides is conflicted, can prevent like this circuit board 22, base 212 position skews, finally by screw by base 212, circuit board 22 is fixing with plane boss 12, the novel air flow sensor of this structure, it can facilitate upper cover 211, base 212, installation location between circuit board and shell 1, thereby improve efficiency of assembling.
In the utility model specific embodiment, the sidewall of described shell 1 is provided with reference column 14, described reference column 14 is provided with pilot hole 141, in described pilot hole 141, be provided with the locating sleeve 4 that metal material is made, described locating sleeve 4 and pilot hole 141 interference fit, described locating sleeve 4 is provided with mounting hole 41.In the time of sensor installation, only need to be fixing with mounting hole 41 by keeper, the locating sleeve 4 of making at the metal material of pilot hole 141 interior settings, can make its installation locate firm, and, can extend serviceable life of locating sleeve 4.
In the utility model specific embodiment, the inwall at described shell 1 two ends is provided with shoulder rank 15, described filter screen 3 is arranged on described shoulder rank 15, described filter screen 3 outsides have also been installed with locating ring 5, described shell 1 two ends are provided with limited block 16, described limited block 16 is conflicted with locating ring 5, and the outboard end of described limited block 16 is provided with groove 161.By locating ring 5, shoulder rank 15, filter screen 3 is located, by limited block 16, locating ring 5 is located, filter screen 3 can be conveniently installed like this, can ensure that again its location is reliable, and, simple in structure.
In the utility model specific embodiment, described base 212 is made for aluminum material.The base 212 that aluminum material is made can conveniently dispel the heat, thus ensure sensor work long hours after stable work in work.
Claims (4)
1. a novel air flow sensor, include shell, be arranged on the sensor body on shell, described shell is provided with air flow channel, air flow channel two ends are provided with filter screen, described sensor body includes mounting shell, circuit board, probe, output pin, described output pin, probe is connected with circuit board, described mounting shell includes upper cover, base, output pin is arranged on and covers, it is characterized in that: the sidewall of described shell is provided with the plane boss matching with circuit board, described base is down the setting of " U " font, described circuit board is pressed on described plane boss through base, base upper end is provided with wiring hole, on described side wall of outer shell, be positioned at plane boss two ends and be provided with back-up ring, the back-up ring at plane boss two ends and base are conflicted, the inwall of the two side of plane boss and base both sides is conflicted, described upper cover and base are fixed through fixing glue, base, circuit board and plane boss are fixed through screw.
2. novel air flow sensor according to claim 1, it is characterized in that: the sidewall of described shell is provided with reference column, described reference column is provided with pilot hole, in described pilot hole, be provided with the locating sleeve that metal material is made, described locating sleeve and pilot hole interference fit, described locating sleeve is provided with mounting hole.
3. novel air flow sensor according to claim 1 and 2, it is characterized in that: the inwall at described shell two ends is provided with shoulder rank, described filter screen is arranged on described shoulder rank, described filter screen outside has also been installed with locating ring, described shell two ends are provided with limited block, described limited block and locating ring are conflicted, and the outboard end of described limited block is provided with groove.
4. novel air flow sensor according to claim 3, is characterized in that: described base is that aluminum material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320894805.6U CN203657845U (en) | 2013-12-31 | 2013-12-31 | A novel air flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320894805.6U CN203657845U (en) | 2013-12-31 | 2013-12-31 | A novel air flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657845U true CN203657845U (en) | 2014-06-18 |
Family
ID=50924223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320894805.6U Expired - Fee Related CN203657845U (en) | 2013-12-31 | 2013-12-31 | A novel air flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203657845U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091953A (en) * | 2015-08-27 | 2015-11-25 | 瑞安市宏创汽车配件有限公司 | Air flow sensor |
| CN108151814A (en) * | 2018-01-26 | 2018-06-12 | 瑞安市宏创汽车配件有限公司 | A kind of automobile air-flow sensor |
| CN109951958A (en) * | 2019-04-24 | 2019-06-28 | 深圳市众合智联科技有限公司 | Ultrathin surface-mount formula gas flow transducer |
-
2013
- 2013-12-31 CN CN201320894805.6U patent/CN203657845U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091953A (en) * | 2015-08-27 | 2015-11-25 | 瑞安市宏创汽车配件有限公司 | Air flow sensor |
| CN105091953B (en) * | 2015-08-27 | 2018-08-21 | 瑞安市宏创汽车配件有限公司 | A kind of air flow sensor |
| CN108151814A (en) * | 2018-01-26 | 2018-06-12 | 瑞安市宏创汽车配件有限公司 | A kind of automobile air-flow sensor |
| CN109951958A (en) * | 2019-04-24 | 2019-06-28 | 深圳市众合智联科技有限公司 | Ultrathin surface-mount formula gas flow transducer |
| CN109951958B (en) * | 2019-04-24 | 2024-03-22 | 深圳市众合智联科技有限公司 | Ultrathin surface-mounted airflow sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203657845U (en) | A novel air flow sensor | |
| CN202300672U (en) | Electric spraying control device integrated with air inlet pressure sensor | |
| CN203657880U (en) | Air flow sensor | |
| CN207541139U (en) | Current sensor | |
| CN205717088U (en) | Driving device | |
| CN202514190U (en) | Casing with printed circuit board (PCB) fixing device | |
| CN202360470U (en) | Switch mounting structure of electric fan | |
| CN201805298U (en) | Cooling fan for variable frequency motor | |
| CN205317405U (en) | Vacuum transmitter | |
| CN204030778U (en) | A kind of mount fixing structure of industrial exhaust gas fan motor | |
| CN205009895U (en) | Tyre pressure meter | |
| CN204881705U (en) | Air mass flow sensor | |
| CN202300673U (en) | Electronic injection control device integrating temperature sensor | |
| CN101634664B (en) | Electric energy meter | |
| CN205981483U (en) | Electricity cabinet temperature alarm | |
| CN203770007U (en) | Digital igniter | |
| CN206269837U (en) | A kind of convenient automobile crane sensor installed | |
| CN203231759U (en) | Crankshaft sensor | |
| CN202477692U (en) | Outer cover of permanent-magnetic resonance imaging system | |
| CN204665177U (en) | A kind of integrated pcb board mounting structure of illuminating torch | |
| CN203567507U (en) | Automobile air conditioner control panel drawn wire fixing structure | |
| CN204283833U (en) | Integrated vehicle-mounted air condition compressor | |
| CN204439135U (en) | A kind of air inlet temperature/pressure sensor | |
| CN203231761U (en) | Crankshaft position sensor | |
| CN209001851U (en) | A kind of modular type rectifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20161231 |