CN208672137U - Detonation sensor - Google Patents
Detonation sensor Download PDFInfo
- Publication number
- CN208672137U CN208672137U CN201820880182.XU CN201820880182U CN208672137U CN 208672137 U CN208672137 U CN 208672137U CN 201820880182 U CN201820880182 U CN 201820880182U CN 208672137 U CN208672137 U CN 208672137U
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- Prior art keywords
- sensor
- injection molding
- wire
- chamfering
- molding portion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
- G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a kind of detonation sensor comprising sensor head, sensor wire and injection molding portion.Sensor wire includes the conducting wire being electrically connected with sensor head and the insulating layer of coated wire.Insulating layer includes the first end close to sensor head and the second end far from sensor head.Injection molding portion is equipped with mould-injection mouth.First end and sensor head cladding are got up by way of injection molding in injection molding portion, and the first end is equipped with chamfering, and mould-injection mouth is located at the front of chamfering.Chamfering is arranged by the first end in insulating layer in the detonation sensor of the utility model, so that the molten resin flowed by mould-injection mouth when flowing at chamfering, can reduce the resin of thawing in the axial direction of sensor wire to the pressure of the end face of sensor wire.
Description
Technical field
The utility model relates to a kind of detonation sensor.
Background technique
Traditional detonation sensor includes sensor head, the sensor wire and injection molding that are connected with sensor head
Portion.The end of sensor and sensor head cladding are got up by way of injection molding in injection molding portion.The end of sensor is set
There are conducting wire and the insulating layer on the outside of conducting wire.Insulating layer is manufactured using vertical cutting method.During injection molding, by melting
The high temperature that the resin material transmitting of change comes, will lead to insulating layer material hardness and is lower.The high pressure that the resin material transmitting of thawing comes
It is applied on the end face of insulating layer, will lead to insulating layer material and be deformed, eventually lead to the overall tightness of detonation sensor
It can decline.
Utility model content
The purpose of the utility model is to provide the plasticity of a kind of axially loaded for reducing sensor wire and reduction insulating layer
The detonation sensor of deformation.
One aspect according to the present utility model provides a kind of detonation sensor comprising:
Sensor head；
Sensor wire, the sensor wire include the exhausted of the conducting wire being electrically connected with sensor head and coated wire
Edge layer, the insulating layer include the first end close to sensor head and the second end far from sensor head；And
Injection molding portion, the injection molding portion are equipped with mould-injection mouth, and the injection molding portion is by way of injection molding by first end
Get up with sensor head cladding, the first end is equipped with chamfering, and the mould-injection mouth is located at the front of chamfering.
Preferably, the chamfering is rounded corner or chamfer.
Preferably, the chamfering is formed by way of cutting.
Preferably, the filler ring is around a circle.
Preferably, the sensor wire is equipped with the first central axis, and sensor head is equipped with perpendicular with the first central axis
The second central axis.
It preferably, further include the connector being electrically connected with the second end.
Preferably, the injection molding portion includes the connection for coating the main part of sensor head and being connected with sensor wire
Portion, the sensor wire are equipped with the first central axis, and the interconnecting piece includes the serrated end drawn close to the first central axis direction.
Preferably, the serrated end along axial cutting plane include in the first outer surface of cone, the second outer surface with
And the third outer surface cylindrical for connecting the first outer surface and the second outer surface, second outer surface are annular
Rounding angular shape.
Preferably, the mould-injection mouth is located on main part.
One aspect according to the present utility model provides a kind of detonation sensor comprising:
Sensor head；
Sensor wire, the sensor wire are equipped with the first central axis, and the sensor wire includes and sensor head
The conducting wire of portion's electrical connection and the insulating layer of coated wire；And
Injection molding portion, the injection molding portion are equipped with mould-injection mouth, and the injection molding portion is by way of injection molding by insulating layer
One end and sensor head cladding are got up, and the insulating layer in injection molding portion is equipped with the inclined-plane of opposite first inclined, institute
State the front that mould-injection mouth is located at inclined-plane.
Chamfering is arranged by the first end in insulating layer in detonation sensor provided by the utility model, so that passing through injection molding
The molten resin that Jiao Kou is flowed into can reduce the resin of thawing in the axial direction of sensor wire to sensing when flowing at chamfering
The pressure of the end face of device cable.
Detailed description of the invention
Fig. 1 is the perspective view of the detonation sensor of the utility model.
Fig. 2 is the optical cable of the detonation sensor of the utility model.
Fig. 3 is the cross-sectional view of the detonation sensor of the utility model.
Fig. 4 is the enlarged drawing in Fig. 3 at " A ".
Specific embodiment
Shown in Figure 1, the utility model provides a kind of detonation sensor 100 comprising sensor head 1, connector
3, the sensor wire 2 that is electrically connected connector 3 and sensor head 1 and cladding sensor head 1 and sensor wire 2
The injection molding portion 4 of end.Injection molding portion 4 includes the connection for coating the main part 41 of sensor head 1 and being connected with sensor wire 2
Portion 42.
With further reference to shown in Fig. 2 and Fig. 3, sensor wire 2 include the conducting wire 22 that is electrically connected with sensor head 1 with
And the insulating layer 21 of coated wire 22.Insulating layer 21 includes close to the first end 211 of sensor head 1 and far from sensor
The second end 212 on head 1.
Injection molding portion 4 is equipped with mould-injection mouth 43.Injection molding portion 4 is by way of injection molding by first end 211 and sensor
The cladding of head 1 is got up.First end 211 is equipped with the chamfering 2111 for facing mould-injection mouth 43.In injection molding, by what is melted
The high temperature that resin material transmitting comes, the material hardness that will lead to the first end plate 211 of insulating layer 21 are lower.Just due to chamfering 2111
Against mould-injection mouth 43, so the resin material melted is when flowing at chamfering 2111, due to the inclined-plane or so of chamfering 2111,
The resin of thawing be can reduce in the axial direction of sensor wire 2 to the pressure of the end face of sensor wire 2, passed with reaching to eliminate
The purpose of the injection molding deformation of sensor cable 2.Preferably, mould-injection mouth 43 is located on main part 41.
Although in the present embodiment, being that the chamfering 2111 for facing mould-injection mouth 43 is arranged on first end 211.This
The technical staff in field knows that inclined-plane, which is arranged, also in first end 211 can satisfy the resin for reducing and melting in sensor wire 2
Axial direction on to the purpose of the pressure of the end face of sensor wire 2.Inclined-plane faces mould-injection mouth 43, flows when from mould-injection mouth 43
In the intracavitary flowing of type, resin material can be flushed on inclined-plane the resin material for the thawing come in.Because inclined-plane faces mould-injection
Mouth 43, so the resin material melted is segmented into one along axial power and one to the power in the axial direction of sensor wire 2
A vertical outside power, to reduce power in the axial direction, and then reduces the injection molding deformation of sensor wire 2.
Preferably, chamfering 2111 can be rounded corner or chamfer.Chamfering 2111 is formed by way of cutting.Chamfering
2111 also can be set cyclization around the form of a circle.
The sensor wire 2 is equipped with the first central axis L 1, and sensor head 1 is equipped with perpendicular with the first central axis L 1
Second central axis L 2.
Detonation sensor 100 further includes the connector 3 being electrically connected with the second end 212.It, can be with by the way that connector 3 is arranged
The signal that sensor head 1 detects is transmitted to signal processing apparatus by connector 3.
Injection molding portion 4 includes the interconnecting piece 42 for coating the main part 41 of sensor head 1 and being connected with sensor wire 2.
Sensor wire 2 is equipped with the first central axis L 1, and interconnecting piece 42 includes the serrated end 421 drawn close to 1 direction of the first central axis L.It is logical
Serrated end 421 will be arranged on interconnecting piece 42 by crossing, and in injection molding, increase the resin material of thawing and connecing for injection molding cavity
Contacting surface product, reduces part wall thickness, increases contact length, to improve resin and sensor wire 2 in injection mold
Cooling efficiency.
With further reference to shown in Fig. 4, serrated end 421 is along the first outer surface that axial cutting plane includes in cone
4213, the second outer surface 4211 and cylindrical for connecting the first outer surface 4213 and the second outer surface 4211
Three outer surfaces 4212.Second outer surface 4211 is the rounding angular shape of annular.
Those skilled in the art can be obvious, can the above exemplary embodiments of the utility model be carry out various modifications and be become
Spirit and scope of the type without departing from the utility model.Accordingly, it is intended to which the utility model covering is made to fall in the appended claims
And its modifications and variations to the utility model within the scope of equivalent arrangements.
Claims (10)
1. a kind of detonation sensor, characterized in that it comprises:
Sensor head (1)；
Sensor wire (2), the sensor wire (2) include the conducting wire (22) being electrically connected with sensor head (1) and packet
Cover the insulating layer (21) of conducting wire (22), the insulating layer (21) include close to sensor head (1) first end (211) and
The second end (212) far from sensor head (1)；And
Injection molding portion (4), the injection molding portion (4) are equipped with mould-injection mouth (43), and the injection molding portion (4) will by way of injection molding
First end (211) and sensor head (1) cladding are got up, and the first end (211) is equipped with chamfering (2111), the injection molding
Jiao Kou (43) is located at the front of chamfering (2111).
2. detonation sensor as described in claim 1, which is characterized in that the chamfering (2111) is rounded corner or chamfer.
3. detonation sensor as described in claim 1, which is characterized in that chamfering (2111) shape by way of cutting
At.
4. detonation sensor as described in claim 1, which is characterized in that the chamfering (2111) is around a circle.
5. detonation sensor as described in claim 1, which is characterized in that the sensor wire (2) is equipped with the first central axis
(L1), sensor head (1) is equipped with second central axis (L2) perpendicular with the first central axis (L1).
6. detonation sensor as described in claim 1, which is characterized in that it further includes being electrically connected with the second end (212)
Connector (3).
7. detonation sensor as described in claim 1, which is characterized in that the injection molding portion (4) includes cladding sensor head
(1) main part (41) and the interconnecting piece (42) being connected with sensor wire (2), the sensor wire (2) are equipped with first
Central axis (L1), the interconnecting piece (42) include the serrated end (421) drawn close to the direction the first central axis (L1).
8. detonation sensor as claimed in claim 7, which is characterized in that the serrated end (421) is along axial cutting bread
It includes in the first outer surface (4213) of cone, the second outer surface (4211) and by the first outer surface (4213) and the second appearance
The third outer surface (4212) cylindrical that face (4211) connects, second outer surface (4211) are the rounding of annular
Angular shape.
9. detonation sensor as claimed in claim 7, which is characterized in that the mould-injection mouth (43) is located at main part (41)
On.
10. a kind of detonation sensor, characterized in that it comprises:
Sensor head (1)；
Sensor wire (2), the sensor wire (2) be equipped with the first central axis (L1), the sensor wire (2) include with
The conducting wire (22) of sensor head (1) electrical connection and the insulating layer (21) of coated wire (22)；And
Injection molding portion (4), the injection molding portion (4) are equipped with mould-injection mouth (43), and the injection molding portion (4) will by way of injection molding
One end of insulating layer (21) and sensor head (1) cladding are got up, and are located at the insulating layer (21) in injection molding portion (4) and are equipped with opposite the
The inclined inclined-plane one central axis (L1), the mould-injection mouth (43) are located at the front on inclined-plane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820880182.XU CN208672137U (en) | 2018-06-07 | 2018-06-07 | Detonation sensor |
| PCT/EP2019/064363 WO2019233954A1 (en) | 2018-06-07 | 2019-06-03 | Knock sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820880182.XU CN208672137U (en) | 2018-06-07 | 2018-06-07 | Detonation sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672137U true CN208672137U (en) | 2019-03-29 |
Family
ID=65823605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820880182.XU Active CN208672137U (en) | 2018-06-07 | 2018-06-07 | Detonation sensor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208672137U (en) |
| WO (1) | WO2019233954A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ194096A3 (en) * | 1995-07-03 | 1998-09-16 | Robert Bosch Gmbh | Vibration pick-up with pressure casing |
| JP3827087B2 (en) * | 2003-03-26 | 2006-09-27 | 三菱電機株式会社 | Mounting structure of knock sensor for internal combustion engine |
| JP2013096844A (en) * | 2011-11-01 | 2013-05-20 | Denso Corp | Knock sensor |
| JP2014213503A (en) * | 2013-04-24 | 2014-11-17 | 日立金属株式会社 | Manufacturing method of physical quantity measuring sensor |
| JP6154302B2 (en) * | 2013-11-28 | 2017-06-28 | 日本特殊陶業株式会社 | Ignition timing control device and ignition timing control system |
| JP6303879B2 (en) * | 2013-12-10 | 2018-04-04 | 日立金属株式会社 | Manufacturing method of physical quantity measuring sensor, physical quantity measuring sensor, and manufacturing method of cable with resin molded body |
| JP6281461B2 (en) * | 2014-09-30 | 2018-02-21 | 日立金属株式会社 | Manufacturing method of cable with resin mold |
-
2018
- 2018-06-07 CN CN201820880182.XU patent/CN208672137U/en active Active
-
2019
- 2019-06-03 WO PCT/EP2019/064363 patent/WO2019233954A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019233954A1 (en) | 2019-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191230 Address after: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Patentee after: Shibeite automotive electronics (Changchun) Co., Ltd. Address before: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Patentee before: Continental Automotive Electronics (Changchun) Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Patentee after: WeiPai automotive electronics (Changchun) Co., Ltd Address before: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Patentee before: Shibeite automotive electronics (Changchun) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |