CN204944730U - The resistance to instantaneous oil shock pressure transducer of a kind of anti-vibration - Google Patents
The resistance to instantaneous oil shock pressure transducer of a kind of anti-vibration Download PDFInfo
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- CN204944730U CN204944730U CN201520300017.9U CN201520300017U CN204944730U CN 204944730 U CN204944730 U CN 204944730U CN 201520300017 U CN201520300017 U CN 201520300017U CN 204944730 U CN204944730 U CN 204944730U
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- circuit board
- ring
- resistance
- pressure transducer
- bolster
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Abstract
The utility model discloses the pressure transducer of the resistance to instantaneous oil shock of a kind of anti-vibration, described pressure transducer comprises pedestal, shell, core body, arranges lower ring, pressed on ring, lower circuit board in the enclosure, upper circuit board, dead ring and many root beads pin; And the bolster be contained between described pedestal and core body; The bottom of described lower ring is fixed on pedestal, and the top of this lower ring and the bottom of described pressed on ring are fixedly linked; Described lower circuit board and upper circuit board are all fixed in the ring of pressed on ring, and this lower circuit board and upper circuit board are separated by described dead ring; Described lower circuit board and upper circuit board are installed fixing by many root beads pin and are electrically connected, and this capillary bottom is electrically connected with described core body by wire.The utility model increasing circuit plate fabric swatch area, avoids long spiro nail and connects, increase and improve vibration resistance.
Description
Technical field
The utility model relates to art of pressure sensors, and particularly a kind of have an oil pressure sensor of temporary impact for high-intensity oscillation environment.
Background technology
Pressure transducer is widely used at the equipment engine fuel oil system in the fields such as aviation, boats and ships, weapons, this application scenario requires pressure transducer instantaneous high oil shock of ability when engine start, different operating stage switch, and has good shock resistance.Traditional pressure transducer is due to unprotect measure in impulse mouth, and pressure-sensitive core body is easily impaired after high pressure fatigue, and the modulate circuit plate that long spiro nail is fixedly connected with also can cause problems such as exporting distortion under high vibration environment.
Utility model content
Based on the deficiencies in the prior art, problem to be solved in the utility model is for the not resistance to instantaneous high oil shock of traditional pressure transducer, and adopt long spiro nail to fix modulate circuit plate, proposing a kind ofly has the oil pressure sensor of temporary impact for high-intensity oscillation environment.
For solving the problems of the technologies described above, the concrete technical scheme that the utility model is taked is,
A pressure transducer for the resistance to instantaneous oil shock of anti-vibration, comprises
There is the pedestal of tracting pressuring hole;
Be contained in the shell on pedestal;
Be contained in the core body on pedestal; Its design feature also comprises
Lower ring, pressed on ring, lower circuit board is in the enclosure set, upper circuit board, dead ring and many root beads pin; And
Be contained in the bolster between described pedestal and core body;
The bottom of described lower ring is fixed on pedestal, and the top of this lower ring and the bottom of described pressed on ring are fixedly linked; Described lower circuit board and upper circuit board are all fixed in the ring of pressed on ring, and this lower circuit board and upper circuit board are separated by described dead ring; Described lower circuit board and upper circuit board are installed fixing by many root beads pin and are electrically connected, and this capillary bottom is electrically connected with described core body by wire.
Thus, realize electrical connection by capillary between two pieces of circuit boards and install fixing, lower circuit board and upper circuit board connect without long spiro nail, have both increased fabric swatch area, have turn improved resistance to shock.
According to embodiment of the present utility model, can also do further to optimize to the utility model, the technical scheme below for being formed after optimization:
As a kind of concrete version, the bottom of described bolster is cylindrical shell, top is disk body; The cylinder lateral wall of described bolster has at least one side opening, the disk body of bolster has multiple intercommunicating pore.Further, described side opening is multiple, and neighbouring two side openings dislocation is arranged.Thus, described bolster tracting pressuring hole wall differing heights respectively has multiple aperture, and air inlet is more even.
Described side opening aperture is 1.2mm-2mm, and neighbouring two hole error angles are 45 °-75 °, is preferably 60 °.Described side opening aperture is preferably 1.6mm.
As the preferred type of attachment of one, the lower cylinder of described bolster has external thread section, the tracting pressuring hole hole wall of described pedestal has the internal thread segment be threaded with described external thread section.Thus, described pedestal tracting pressuring hole inwall is threaded with bolster.Described pedestal top and core body are weldingly connected.
In order to reduce to impact further, between described core body lower surface and the end face of bolster, be provided with sealant compressible shim.Thus, described pad can realize flexibly connecting between core body and bolster when compressing.
Described lower ring inside is provided with the location structure for locating lower circuit board, upper and lower circuit board can be fixed between upper and lower ring firmly thus.
Preferably, described location structure is be arranged on the boss on lower ring internal face; Described lower ring internal face is also provided with the groove of dodging solder joint.
Described intercommunicating pore aperture is 2mm-3mm, is preferably 2.5mm.
Described bolster upper disc surface has mounting groove, as a word grooving.
Compared with prior art, the beneficial effects of the utility model are: the pressure transducer of the resistance to temporary impact of the utility model anti-vibration makes engine in startup by bolster, temporary impact high pressure when the different operating stage switches reduces, temporary impact speed can be reduced to 2.1m/s by 10m/s by bolster described in analog demenstration, and stepless action is in core surface, lower ring, pressed on ring passes through positioning boss, dead ring is welded into entirety after fixing two blocks of special-shaped modulate circuit plates, avoid long spiro nail to connect, increase fabric swatch area, improve vibration resistance, be particularly useful for the pressure test in the equipment oil circuit used in high-intensity oscillation environment.
Describe the utility model in detail below in conjunction with accompanying drawing, it illustrates principle of the present utility model as the part of this instructions by embodiment.
Accompanying drawing explanation
Forming a part of accompanying drawing of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of lower ring described in the utility model;
Fig. 3 is the structural representation of bolster described in the utility model;
Fig. 4 is the temporary impact speed that in the utility model, core surface after bolster do not installed by sensor;
Fig. 5 is the temporary impact speed of core surface after sensor installation bolster in the utility model.
Embodiment
A pressure transducer for the resistance to instantaneous oil shock of anti-vibration, as shown in Figure 1, comprises pedestal 1 and shell 7, and described pedestal 1 tracting pressuring hole inwall is threaded with bolster 2, and pedestal 1 top is welded with core body 4; Compress realization by pad 3 between described core body 4 and bolster 2 to flexibly connect; Lower ring 5 lower end and pedestal 1 integrally welded, described lower ring 5 inside is provided with lower circuit board 6 locating groove, and as shown in Figure 2, described location structure is be arranged on the boss 5a on lower ring 5 internal face; Described lower ring 5 internal face is also provided with the groove 5b dodging solder joint; Described lower ring 5 upper end and pressed on ring 10 integrally welded, upper circuit board 9 and lower circuit board 6 are insulated by dead ring 8, be electrically connected and fix by capillary 11.Circuit board in this kind of structure is fixed on after being located by draw-in groove in the integrative-structure that upper and lower ring 5,10 is welded into, and has both increased fabric swatch area, turn avoid long spiro nail and connects, improve vibration resistance.
As shown in Figure 3, have fixing external thread bottom described bolster 2, the word grooving for installing is arranged at top.Its tracting pressuring hole wall differing heights respectively has three aperture 2a, and small aperture is 1.6mm, and the angle that misplaces between upper and lower close holes is 60.Uniform six the aperture 2b of disc surfaces, aperture is 2.5mm.As illustrated in figures 4-5, suppose that sensor impulse mouth inlet velocity is 10m/s, known by simulation analysis, time in tracting pressuring hole without impact mitigation measure, the temporary impact speed maximal value of core surface is 10m/s, appears at tracting pressuring hole axis place; After installing bolster 2 in tracting pressuring hole, the temporary impact speed maximal value of core surface is 2.1m/s, appears at bolster disc surfaces aperture place.This kind of structure can reduce by making the temporary impact speed of engine when startup, different operating stage switch, thus temporary impact dynamic pressure is reduced.Make pressure-sensitive core surface uniform-compression simultaneously, thus extend sensor serviceable life.
In Fig. 4, Fig. 5, horizontal ordinate X, Z are core surface two orthogonal coordinate axis, represent respectively " when core surface is positioned at horizontal level on X, Z axis certain point apart from the displacement in the core surface center of circle ".
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a pressure transducer for the resistance to instantaneous oil shock of anti-vibration, comprises
There is the pedestal (1) of tracting pressuring hole;
Be contained in the shell (7) on pedestal (1);
Be contained in the core body (4) on pedestal (1); It is characterized in that, also comprise
Be arranged on the lower ring (5) in shell (7), pressed on ring (10), lower circuit board (6), upper circuit board (9), dead ring (8) and many root beads pin (11); And
Be contained in the bolster (2) between described pedestal (1) and core body (4);
The bottom of described lower ring (5) is fixed on pedestal (1), and the top of this lower ring (5) and the bottom of described pressed on ring (10) are fixedly linked; Described lower circuit board (6) and upper circuit board (9) are all fixed in the ring of pressed on ring (10), and this lower circuit board (6) and upper circuit board (9) are separated by described dead ring (8); Described lower circuit board (6) and upper circuit board (9) are installed fixing by many root beads pin (11) and are electrically connected, and this capillary (11) bottom is electrically connected with described core body (4) by wire.
2. the pressure transducer of the resistance to instantaneous oil shock of anti-vibration according to claim 1, is characterized in that, the bottom of described bolster (2) is cylindrical shell, top is disk body; The cylinder lateral wall of described bolster (2) has at least one side opening (2a), the disk body of bolster (2) has multiple intercommunicating pore (2b).
3. the pressure transducer of the resistance to instantaneous oil shock of anti-vibration according to claim 2, is characterized in that, described side opening (2a) is for multiple, and neighbouring two side openings dislocation is arranged.
4. the pressure transducer of the resistance to instantaneous oil shock of the anti-vibration according to Claims 2 or 3, is characterized in that, described side opening (2a) aperture is 1.2mm-2mm, and neighbouring two hole error angles are 45 °-75 °.
5. the pressure transducer of the resistance to instantaneous oil shock of the anti-vibration according to Claims 2 or 3, it is characterized in that, the lower cylinder of described bolster (2) has external thread section, the tracting pressuring hole hole wall of described pedestal (1) has the internal thread segment be threaded with described external thread section.
6. the pressure transducer of the resistance to instantaneous oil shock of anti-vibration according to claim 1, is characterized in that, is provided with sealant compressible shim (3) between the end face of described core body (4) lower surface and bolster (2).
7. the pressure transducer of the resistance to instantaneous oil shock of anti-vibration according to claim 1, is characterized in that, described lower ring (5) inside is provided with the location structure for locating lower circuit board (6).
8. the pressure transducer of the resistance to instantaneous oil shock of anti-vibration according to claim 7, is characterized in that, described location structure is for being arranged on the boss (5a) on lower ring (5) internal face; Described lower ring (5) internal face is also provided with the groove (5b) of dodging solder joint.
9. the pressure transducer of the resistance to instantaneous oil shock of anti-vibration according to claim 2, is characterized in that, described intercommunicating pore (2b) aperture is 2mm-3mm.
10. the pressure transducer of the resistance to instantaneous oil shock of anti-vibration according to claim 1, is characterized in that, described bolster (2) upper disc surface has mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520300017.9U CN204944730U (en) | 2015-05-11 | 2015-05-11 | The resistance to instantaneous oil shock pressure transducer of a kind of anti-vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520300017.9U CN204944730U (en) | 2015-05-11 | 2015-05-11 | The resistance to instantaneous oil shock pressure transducer of a kind of anti-vibration |
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| CN204944730U true CN204944730U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520300017.9U Active CN204944730U (en) | 2015-05-11 | 2015-05-11 | The resistance to instantaneous oil shock pressure transducer of a kind of anti-vibration |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157904A (en) * | 2015-05-11 | 2015-12-16 | 中国电子科技集团公司第四十八研究所 | Anti-vibration pressure sensor resistant to transient oil pressure impact |
| CN108195502A (en) * | 2017-12-21 | 2018-06-22 | 中国电子科技集团公司第四十八研究所 | A kind of engine sensor |
| CN109642844A (en) * | 2016-08-16 | 2019-04-16 | 恩德莱斯和豪瑟尔欧洲两合公司 | For reducing the obturator of the volume of pressure measurement room |
-
2015
- 2015-05-11 CN CN201520300017.9U patent/CN204944730U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157904A (en) * | 2015-05-11 | 2015-12-16 | 中国电子科技集团公司第四十八研究所 | Anti-vibration pressure sensor resistant to transient oil pressure impact |
| CN105157904B (en) * | 2015-05-11 | 2018-06-26 | 中国电子科技集团公司第四十八研究所 | A kind of resistance to instantaneous oil shock pressure sensor of anti-vibration |
| CN109642844A (en) * | 2016-08-16 | 2019-04-16 | 恩德莱斯和豪瑟尔欧洲两合公司 | For reducing the obturator of the volume of pressure measurement room |
| US10969287B2 (en) | 2016-08-16 | 2021-04-06 | Endress+Hauser SE+Co. KG | Filling body for reducing a volume of a pressure measurement chamber |
| CN108195502A (en) * | 2017-12-21 | 2018-06-22 | 中国电子科技集团公司第四十八研究所 | A kind of engine sensor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |