CN206362482U - A kind of baroceptor - Google Patents
A kind of baroceptor Download PDFInfo
- Publication number
- CN206362482U CN206362482U CN201621466150.2U CN201621466150U CN206362482U CN 206362482 U CN206362482 U CN 206362482U CN 201621466150 U CN201621466150 U CN 201621466150U CN 206362482 U CN206362482 U CN 206362482U
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- CN
- China
- Prior art keywords
- shell
- plug connector
- circuit substrate
- sensor chip
- sealing ring
- 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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Abstract
The utility model is related to sensor technical field, especially a kind of baroceptor, circuit substrate including shell, positioned at enclosure and the plug connector being plugged in shell, circuit substrate is provided with sensor chip, the bottom of circuit substrate has row's pin, row's pin is electrically connected with sensor chip, row's pin is used to electrically connect with other Data Analysis Services equipment through plug connector, the top of shell has joint, joint is used to be fixedly attached to measurement equipment to be checked, housing joint has through hole, and measured medium is detected by through hole into enclosure.Sensor chip pin of the present utility model and sensor chip and peripheral components on circuit substrate are covered by Protection glue completely, so that the steam isolated in measured medium, so that the situation for not resulting in device corrosion occurs.
Description
Technical field
The utility model is related to technical field of sensor manufacture, especially a kind of pressure sensor.
Background technology
Pressure sensor used generally has the disadvantage that on current domestic automobile：1. pressure sensor chip and circuit be all
It is an exposure in measured medium, but measured medium is not pure, generally all easily causes chip and electricity containing impurity such as steam
The corrosion of sub- component；2. usual inserted terminal material is plastics, is molded with metal shell by riveting, linear because of two kinds of materials
The coefficient of expansion is different, and material physical property is different, and gap can be produced at riveting shaping, so as to cause the loosening of plug, is caused
Internal circuit is damaged, sensor failure；3. sealing ring is installed on shell, made by screwing on shell screw thread crush seal circle
Sensor is sealed, and its shortcoming is that common pressure sensor joint is exactly an internal thread hole, in sensor installation process
Mi Xingquan excessive compression is easily caused, so as to cause to damage, pipeline gas leakage is caused, sensor is forbidden by measuring pressure；4. metal
Housing is during riveting, because only metal shell and metal washer is contacted, the contact surface between metal and metal it
Between easily there is gas, air-tightness is bad, clicked and entered after riveting sealing glue after, can in glue formed space bubble, cause not
It is good.
Utility model content
In view of the shortcomings of the prior art, the utility model discloses a kind of baroceptor.
The technical solution of the utility model is as follows：
Baroceptor of the present utility model includes shell, the circuit substrate positioned at enclosure and is plugged in shell
Plug connector, the circuit substrate is provided with sensor chip, and the periphery of the sensor chip is provided with sealing ring upwards, described close
Embedding Protection glue in seal ring, is additionally provided with sealing ring I between the sealing ring and shell, the top of the shell is provided with metal spacing
Ring, is provided with sealing ring II between the metal spacing ring and shell.
Shell described in the utility model is metalwork, and the plug connector is working of plastics, and the bottom of the shell extends internally
Go out flange, the outer periphery of the plug connector is extended outward is arranged with quoit above shirt rim, the shirt rim of the plug connector, institute
The flange for stating shell when shell is riveted with plug connector first contacts and then is crimped onto the lower section of the shirt rim with the quoit.
Quoit described in the utility model is located between the circuit substrate, shell and plug connector, the shell and grafting
Fluid sealant is clicked and entered after part riveting.
The bottom of circuit substrate described in the utility model has row's pin, and row's pin is electrically connected with the sensor chip.
Advantageous effects of the present utility model are：
1st, sensor chip pin of the present utility model and sensor chip and the peripheral components quilt completely on circuit substrate
Protection glue is covered, so that the steam isolated in measured medium, so that the situation for not resulting in device corrosion occurs；
2nd, the bottom of shell of the present utility model extends internally out flange, and the outer periphery of plug connector extends outward skirt
Quoit is arranged with above side, the shirt rim of plug connector, the flange of shell is first contacted so with quoit when shell is riveted with plug connector
Be crimped onto shell in the lower section of shirt rim, such riveting process afterwards and be first pressed onto quoit, after be pressed onto plug connector, because of quoit and shell
It is metalwork, both physical properties are basically identical, so plug connector will not loosen；
3rd, the top of shell of the present utility model is provided with metal spacing ring, and metal spacing ring set is located at the outer of housing joint
In week, sealing ring II is provided between metal spacing ring and the joint of shell, when sensor is installed, when Devices to test junction contacts metal
During spacing ring end face, just it can not screw down again, the design of the depth of rebate and Angular Dimension of metal spacing ring has fully ensured that close
The decrement of seal II and the filling rate of cavity, it is ensured that the sealing that sensor is installed；
Quoit of the present utility model is located between circuit substrate, shell and plug connector, after shell and plug connector riveting
Fluid sealant is clicked and entered, when shell is molded with plug connector riveting, shell is pressed onto after quoit, shirt rim that can be further with plug connector is carried out
Crimping, quoit is filled with the space inside shell flange so that when sealing dispensing, will not produce the phenomenon of space bubble.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the baroceptor of the present embodiment；
Fig. 2 is the shell mechanism schematic diagram of the baroceptor of the present embodiment；
Fig. 3 is the connector structure schematic diagram of the baroceptor of the present embodiment.
Wherein：Shell 1, metal spacing ring 11, sealing ring II 12, flange 13；Plug connector 2, shirt rim 21, quoit 22；Electricity
Base board 3, sensor chip 31 arranges pin 32, sealing ring 33, Protection glue 34, sealing ring I 35.
Embodiment
In description of the present utility model, it is to be understood that term " radial direction ", " axial direction ", " on ", " under ", " top ",
The orientation or position relationship of the instruction such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
Described in description the utility model with simplified, rather than indicate or imply that the device or element of meaning must be with specific sides
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In description of the present utility model
In, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " setting ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integrally be connected
Connect；Can be joined directly together, can also be indirectly connected to by intermediary.For the ordinary skill in the art, may be used
To understand concrete meaning of the above-mentioned term in the utility model as the case may be.
As Figure 1-3, the baroceptor of the present embodiment includes shell 1, the and of circuit substrate 3 inside shell 1
The plug connector 2 in shell 1 is plugged on, circuit substrate 3 is provided with sensor chip 31, and the bottom of circuit substrate 3 has row's pin 32,
Row's pin 32 is electrically connected with sensor chip 31, and row's pin 32 is used to electrically connect with other Data Analysis Services equipment through plug connector 2,
The top of shell 1 has joint, and joint is used to be fixedly attached to measurement equipment to be checked, and the joint of shell 1 has through hole, measured medium
Enter the inside of shell 1 by through hole to be detected.
In order to prevent that sensor chip 31 and electronic component from being corroded by measured medium, the outer circumference of sensor chip 31
Embedding Protection glue 34 in sealing ring 33, sealing ring 33 is provided with, because of the sensor on the pin of sensor chip 31 and circuit substrate 3
Chip 31 and peripheral components are covered by Protection glue 34 completely, so that the steam isolated in measured medium, so as to not result in device
The situation of part corrosion occurs.
Simultaneously in order to prevent measured medium from revealing, sealing ring I 35, sealing ring I 35 are additionally provided between sealing ring 33 and shell 1
It can prevent measured medium from being revealed from the gap of shell 1 and sealing ring 33, it is to avoid measured medium corrodes plug connector 2 and other devices
Part.
Further, in order to improve the sealing that sensor is installed, the top of shell 1 is provided with metal spacing ring 11, metal
Spacing ring 11 is set in the periphery of the joint of shell 1, and sealing ring II 12 is provided between metal spacing ring 11 and the joint of shell 1, passes
When sensor is installed, when Devices to test junction contacts metal spacing 11 end face of ring, just it can not screw down again, metal spacing ring 11
Depth of rebate and Angular Dimension design fully ensured that sealing ring II 12 decrement and cavity filling rate, it is ensured that sensing
The sealing that device is installed.
Shell 1 in the present embodiment is metalwork, and plug connector 2 is working of plastics, because two kinds of materials linear expansion coefficient not
Together, material physical property is different, and gap can be produced at riveting shaping, so as to cause the loosening of plug connector 2, causes internal circuit
Substrate 3 is damaged, sensor failure.Riveting is solved for this and produces clearance issues, the bottom of the shell 1 of the present embodiment extends internally out
Flange 13, the outer periphery of plug connector 2 extends outward shirt rim 21, and the top of shirt rim 21 of plug connector 2 is arranged with quoit 22, outside
The flange 13 of shell 1 first contacts and then is crimped onto the lower section of shirt rim 21, such riveting with quoit 22 when shell 1 is riveted with plug connector 2
Shell 1 is first pressed onto quoit 22 in termination process, after be pressed onto plug connector 2, because quoit 22 and shell 1 are metalwork, both
Physical property is basically identical, so plug connector 2 will not loosen.
The quoit 22 of the present embodiment is located between circuit substrate 3, shell 1 and plug connector 2, and shell 1 and plug connector 2 are riveted
After click and enter fluid sealant, when shell 1 is molded with the riveting of plug connector 2, shell 1 is pressed onto after quoit 22, can further with plug connector 2
Shirt rim 21 is crimped, and quoit 22 is filled with the space inside the flange 13 of shell 1 so that when sealing dispensing, will not be produced
The phenomenon of raw space bubble.
It should be appreciated that specific embodiment described above is only used for explaining the utility model, it is not used to limit this reality
With new.The obvious changes or variations extended out by spirit of the present utility model is still in protection of the present utility model
Among scope.
Above-described is only preferred embodiment of the present utility model, and the utility model is not limited to above example.Can
To understand, what those skilled in the art directly exported or associated on the premise of spirit of the present utility model and design is not departed from
Oher improvements and changes, are considered as being included within protection domain of the present utility model.
Claims (4)
1. a kind of baroceptor, including shell (1), positioned at the internal circuit substrate (3) of shell (1) and it is plugged on shell (1)
Interior plug connector (2), the circuit substrate (3) is provided with sensor chip (31), it is characterised in that：The sensor chip
(31) periphery upwards be provided with sealing ring (33), the interior embedding Protection glue (34) of sealing ring (33), the sealing ring (33) and
Sealing ring I (35) is additionally provided between shell (1), the top of the shell (1) is provided with metal spacing ring (11), the metal spacing
Sealing ring II (12) is provided between ring (11) and shell (1).
2. baroceptor according to claim 1, it is characterised in that：The shell (1) is metalwork, the plug connector
(2) it is working of plastics, the bottom of the shell (1) extends internally out flange (13), the outer periphery of the plug connector (2) is to extension
Stretch out shirt rim (21), quoit (22), the shell (1) and plug connector are arranged with above the shirt rim (21) of the plug connector (2)
(2) flange (13) of the shell (1) first contacts and then is crimped onto the shirt rim (21) with the quoit (22) when riveting
Lower section.
3. baroceptor according to claim 2, it is characterised in that：The quoit (22) is located at the circuit substrate
(3), between shell (1) and plug connector (2), fluid sealant is clicked and entered after the shell (1) and plug connector (2) riveting.
4. baroceptor according to claim 3, it is characterised in that：The bottom of the circuit substrate (3) has row's pin
(32), row's pin (32) electrically connects with the sensor chip (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621466150.2U CN206362482U (en) | 2016-12-29 | 2016-12-29 | A kind of baroceptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621466150.2U CN206362482U (en) | 2016-12-29 | 2016-12-29 | A kind of baroceptor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206362482U true CN206362482U (en) | 2017-07-28 |
Family
ID=59375966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621466150.2U Active CN206362482U (en) | 2016-12-29 | 2016-12-29 | A kind of baroceptor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206362482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174210A (en) * | 2019-07-04 | 2019-08-27 | 昆山灵科传感技术有限公司 | Pressure sensor and its packaging method |
-
2016
- 2016-12-29 CN CN201621466150.2U patent/CN206362482U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174210A (en) * | 2019-07-04 | 2019-08-27 | 昆山灵科传感技术有限公司 | Pressure sensor and its packaging method |
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