CN105333938B - A kind of hydraulic weighing sensor of condenser type - Google Patents
A kind of hydraulic weighing sensor of condenser type Download PDFInfo
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- CN105333938B CN105333938B CN201510870332.XA CN201510870332A CN105333938B CN 105333938 B CN105333938 B CN 105333938B CN 201510870332 A CN201510870332 A CN 201510870332A CN 105333938 B CN105333938 B CN 105333938B
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- sensing chip
- hydraulic
- hydraulic cylinder
- piston body
- weighing sensor
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Abstract
The invention discloses a kind of hydraulic weighing sensors of condenser type, including hydraulic cylinder, the first connector, the second connector, piston body, inductor and transmitter.Piston body can be slidably mounted in hydraulic cylinder and cooperatively form hydraulic cavities with hydraulic cylinder sealing.First connector is installed on the piston body, and it is located at side of the piston body far from hydraulic cavities.Hydraulic cylinder side wall is equipped with through-hole, which is located at side of the hydraulic cylinder far from hydraulic cavities, and transmitter is mounted on the through hole.Second connector is mounted on hydraulic cylinder and is located at outside hydraulic cylinder.Inductor includes the first sensing chip, the second sensing chip and elastomer.First sensing chip and the second sensing chip all have spherical calotte structure, and on the piston body or on hydraulic cylinder and in hydraulic cavities, the second sensing chip is mounted on the first sensing chip the installation of the first sensing chip by elastomer.First sensing chip and the second sensing chip are electrically connected with transmitter.The present invention can improve the anti-vibration of sensor and the ability of anti-bias load.
Description
Technical field
The present invention relates to sensor technical field more particularly to a kind of hydraulic weighing sensors of condenser type.
Background technique
Weighing sensor is that a kind of widely applied sensor, performance quality directly affect production matter in modern industry
The control effect of amount and control system.
Due to being frequently accompanied by the appearance of vibration in industry production, weighing sensor inevitably work under vibration
Make.Existing weighing sensor is mainly resistance-strain type and capacitance type sensor, used in elastomer rigidity it is larger and
Vibration can not be absorbed, and works easily damage under vibration for a long time.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of hydraulic weighing sensors of condenser type.
The hydraulic weighing sensor of a kind of condenser type proposed by the present invention, including hydraulic cylinder, the first connector, piston body, sense
Answer body and transmitter；
Piston body can be slidably mounted in hydraulic cylinder, and cooperate with hydraulic cylinder sealing, form hydraulic cavities；First connector is
Cylinder, first end are installed on the piston body, and second end is equipped with interconnecting piece；First connector is located at piston body far from hydraulic
The side of chamber；
Hydraulic cylinder side wall is equipped with through-hole, which is located at side of the piston body far from hydraulic cavities, and transmitter is mounted on
The through hole；
Inductor includes the first sensing chip, the second sensing chip and elastomer；First sensing chip and the second sensing chip all have
Spherical calotte structure, for the installation of the first sensing chip on the piston body or on hydraulic cylinder and in hydraulic cavities, the second sensing chip is logical
It crosses elastomer to be mounted on the first sensing chip, the second sensing chip and the first sensing chip are located at the two sides of elastomer phase pair, and first
Sensing chip is opposite with the second sensing chip concave surface；
First sensing chip and the second sensing chip are electrically connected with transmitter.
It preferably, further include the second connector, the second connector is mounted on hydraulic cylinder and is located at outside hydraulic cylinder, remote
One end of chaotropic cylinder pressure is equipped with interconnecting piece.
Preferably, the interconnecting piece of the first connector and the second connector is helicitic texture.
Preferably, the first sensing chip and the second sensing chip are coated with a layer insulating.
Preferably, the first sensing chip edge is equipped with insulator.
Preferably, the second sensing chip edge is equipped with insulator.
Preferably, on the piston body, piston body is equipped with through-hole to the installation of the first sensing chip, which is used for across connection the
The signal wire of the signal wire and the second sensing chip and transmitter of one sensing chip and transmitter, and sealed between the through-hole and signal wire
Processing.
Preferably, elastomer is insulator.
Preferably, the through-hole on hydraulic cylinder side wall is long lumbar hole.
Compared with prior art, the invention has the following beneficial effects:
The hydraulic weighing sensor of a kind of condenser type provided by the present invention is formed by the cooperation of hydraulic cylinder and piston body
The hydraulic cavities of one sealing, and inductor is mounted in the hydraulic cavities.In use, filling hydraulic oil in the hydraulic cavities, work as liquid
When cylinder pressure is by along its axial pressure, which can be transmitted in hydraulic oil, pressure can be generated inside hydraulic oil.Hydraulic
Under the action of oil, the first sensing chip and the second sensing chip squeeze elastomer, after elastomer is compressed, the first sensing chip and the second sense
The distance between piece is answered to change, so that the capacitance between the first sensing chip and the second sensing chip changes.By
It is transmitted in the pressure that hydraulic cylinder is subject to by hydraulic oil, hydraulic oil can absorb the fluctuation of pressure, to improve weighing
The anti-vibration effect of sensor.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the hydraulic weighing sensor of condenser type provided by the invention；
Fig. 2 is the structural schematic diagram of inductor in a kind of hydraulic weighing sensor of condenser type provided by the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to specific reality
Example is applied to be described in detail.
As shown in FIG. 1, FIG. 1 is a kind of structural schematic diagrams of the hydraulic weighing sensor of condenser type proposed by the present invention.Including
Hydraulic cylinder 1, the first connector 2, the second connector 3, piston body 4, inductor 5 and transmitter 6.
Piston body 4 can be slidably mounted in hydraulic cylinder 1, and seals and cooperate with hydraulic cylinder 1, form hydraulic cavities.First connection
Body 2 is cylinder, and first end is mounted on piston body 4, and second end is equipped with interconnecting piece, when it is implemented, the interconnecting piece has
There is helicitic texture.First connector 2 is located at side of the piston body 4 far from hydraulic cavities.
1 side wall of hydraulic cylinder is equipped with through-hole, which is located at the side on hydraulic cylinder 1 far from hydraulic cavities, and transmitter 6 is installed
On hydraulic cylinder 1, and it is located at the through hole.Through-hole on 1 side wall of hydraulic cylinder is long lumbar hole.
Second connector 3 is mounted on hydraulic cylinder 1, and is located at outside hydraulic cylinder 1, and one end far from hydraulic cylinder 1 is equipped with
Interconnecting piece, when it is implemented, the interconnecting piece is helicitic texture.
As shown in Fig. 2, Fig. 2 is the structural representation of inductor in a kind of hydraulic weighing sensor of condenser type provided by the invention
Figure.Inductor 5 includes the first sensing chip 501, the second sensing chip 502 and elastomer 503；
First sensing chip 501 and the second sensing chip 502 all have spherical calotte structure, and the first sensing chip 501 is mounted on work
On cock body 4 or on hydraulic cylinder 1 and it is located in hydraulic cavities, the second sensing chip 502 is mounted on the first sensing chip by elastomer 503
On 501, the second sensing chip 502 and the first sensing chip 501 two sides that be located at elastomer 503 opposite, and the first sensing chip 501 and
Two sensing chips, 502 concave surface is opposite, i.e., the first sensing chip 501 and 502 concave surface of the second sensing chip are opposite, forms an elastomer installation
Area, elastomer 503 have the shape to match with the installing zone in its natural state, and elastomer 503 is mounted on elastomer peace
It fills in area.First sensing chip 501 and the second sensing chip 502 are electrically connected with transmitter 6.Transmitter 6 is for generating inductor 5
Signal handled and be converted into the identifiable signal of external display instrument.When hydraulic cylinder 1 is by ambient pressure, liquid
Pressure in pressure oil increases, and deformation occurs under the effect of the pressure for elastomer, the first sensing chip 501 and the second sensing chip 502 it
Between distance change, the capacitance between the first sensing chip 501 and the second sensing chip 502 also changes therewith, thus
Generate signal.And the signal is exported to transmitter 6.When it is implemented, the elastomer 503 is insulator.In this way, can be prevented
The phenomenon that signal caused between one sensing chip 501 and the second sensing chip 502 by conduction is inaccurate or can not generate signal.
In present embodiment, the first sensing chip 501 and the second sensing chip 502 are coated with a layer insulating.Specific implementation
When, insulator can be equipped at the edge of the first sensing chip 501 or be equipped with insulator at the edge of the second sensing chip 502.
In present embodiment, the first sensing chip 501 is mounted on piston body 4, and piston body 4 is equipped with through-hole, which uses
In the signal wire of the signal wire for passing through the first sensing chip of connection 501 and transmitter 6 and the second sensing chip 502 and transmitter 6, and should
Encapsulation process between through-hole and signal wire.Passing through encapsulation process, it is ensured that hydraulic in hydraulic cavities reaches certain value, so that
Deformation occurs under the action of hydraulic for inductor 5.
When specifically used, hydraulic oil is filled in the hydraulic cavities, it, can should when hydraulic cylinder 1 is by along its axial pressure
Pressure is transmitted in hydraulic oil, can generate pressure inside hydraulic oil.Under the action of hydraulic oil, the first sensing chip 501 and second
Sensing chip 502 squeezes elastomer 503, and elastomer generates deformation, the distance between the first sensing chip 501 and the second sensing chip 502
It changes, so that the capacitance between the first sensing chip 501 and the second sensing chip 502 changes.Due to hydraulic cylinder 1
The pressure being subject to is transmitted by hydraulic oil, and hydraulic oil can absorb the fluctuation of pressure, to improve weighing sensor
Anti-vibration effect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of hydraulic weighing sensor of condenser type, it is characterised in that: including hydraulic cylinder (1), the first connector (2), piston body
(4), inductor (5) and transmitter (6)；
Piston body (4) can be slidably mounted in hydraulic cylinder (1), and seals and cooperate with hydraulic cylinder (1), form hydraulic cavities；First connects
Junctor (2) is cylinder, and first end is mounted on piston body (4), and second end is equipped with interconnecting piece；First connector (2) position
In the side of piston body (4) far from hydraulic cavities；
Hydraulic cylinder (1) side wall is equipped with through-hole, which is located at the side of piston body (4) far from hydraulic cavities, and transmitter (6) is pacified
Mounted in the through hole；
Inductor (5) includes the first sensing chip (501), the second sensing chip (502) and elastomer (503)；First sensing chip (501)
Spherical calotte structure is all had with the second sensing chip (502), the first sensing chip (501) is mounted on piston body (4) or hydraulic
On cylinder (1) and it is located in hydraulic cavities, the second sensing chip (502) is mounted on the first sensing chip (501) by elastomer (503),
Second sensing chip (502) and the first sensing chip (501) are located at the opposite two sides of elastomer (503), and the first sensing chip (501) and
Second sensing chip (502) concave surface is opposite；
First sensing chip (501) and the second sensing chip (502) are electrically connected with transmitter (6).
2. the hydraulic weighing sensor of condenser type according to claim 1, it is characterised in that: it further include the second connector (3),
Second connector (3) is mounted on hydraulic cylinder (1) and is located at hydraulic cylinder (1) outside, and one end far from hydraulic cylinder (1), which is equipped with, to be connected
Socket part.
3. the hydraulic weighing sensor of condenser type according to claim 2, it is characterised in that: the first connector (2) and second
The interconnecting piece of connector (3) is helicitic texture.
4. the hydraulic weighing sensor of condenser type according to claim 1, it is characterised in that: the first sensing chip (501) and the
Two sensing chips (502) are coated with a layer insulating.
5. the hydraulic weighing sensor of condenser type according to claim 1, it is characterised in that: the first sensing chip (501) edge
Equipped with insulator.
6. the hydraulic weighing sensor of condenser type according to claim 1, it is characterised in that: the second sensing chip (502) edge
Equipped with insulator.
7. the hydraulic weighing sensor of condenser type according to claim 1, it is characterised in that: the first sensing chip (501) installation
On piston body (4), piston body (4) is equipped with through-hole, which is used for across connection the first sensing chip (501) and transmitter
(6) signal wire of signal wire and the second sensing chip (502) and transmitter (6), and encapsulation process between the through-hole and signal wire.
8. the hydraulic weighing sensor of condenser type according to claim 1, it is characterised in that: elastomer (503) is insulator.
9. the hydraulic weighing sensor of condenser type according to claim 1-8, it is characterised in that: hydraulic cylinder (1) side
Through-hole on wall is long lumbar hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870332.XA CN105333938B (en) | 2015-11-30 | 2015-11-30 | A kind of hydraulic weighing sensor of condenser type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870332.XA CN105333938B (en) | 2015-11-30 | 2015-11-30 | A kind of hydraulic weighing sensor of condenser type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105333938A CN105333938A (en) | 2016-02-17 |
| CN105333938B true CN105333938B (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510870332.XA Active CN105333938B (en) | 2015-11-30 | 2015-11-30 | A kind of hydraulic weighing sensor of condenser type |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197826B (en) * | 2016-06-28 | 2018-10-12 | 蚌埠大洋传感系统工程有限公司 | A kind of high-precision sensor |
| CN106197827B (en) * | 2016-06-28 | 2019-01-01 | 蚌埠大洋传感系统工程有限公司 | A kind of accurate sensor of measurement |
| CN106197825B (en) * | 2016-06-28 | 2018-10-12 | 蚌埠大洋传感系统工程有限公司 | A kind of sensor for measuring pressure |
| CN106197828B (en) * | 2016-06-28 | 2019-01-01 | 蚌埠大洋传感系统工程有限公司 | A kind of sensor that accuracy is high |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672023A (en) * | 2002-07-31 | 2005-09-21 | 恩德莱斯和豪瑟尔两合公司 | Capacitive pressure sensor |
| CN1864054A (en) * | 2003-08-11 | 2006-11-15 | 阿纳洛格装置公司 | Capacitive sensor |
| CN201754116U (en) * | 2010-06-19 | 2011-03-02 | 比亚迪股份有限公司 | Pressure sensor |
| CN103868574A (en) * | 2012-12-11 | 2014-06-18 | 江苏技术师范学院 | Hydraulic vehicle load sensor |
| CN203705111U (en) * | 2014-01-26 | 2014-07-09 | 重庆市伟岸测器制造股份有限公司 | Pressure transmitter |
| CN104848983A (en) * | 2014-11-24 | 2015-08-19 | 重庆斯凯力科技有限公司 | Electronic pressure transducer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3857153B2 (en) * | 2002-02-01 | 2006-12-13 | 新光電子株式会社 | Load sensor mounting bracket |
-
2015
- 2015-11-30 CN CN201510870332.XA patent/CN105333938B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672023A (en) * | 2002-07-31 | 2005-09-21 | 恩德莱斯和豪瑟尔两合公司 | Capacitive pressure sensor |
| CN1864054A (en) * | 2003-08-11 | 2006-11-15 | 阿纳洛格装置公司 | Capacitive sensor |
| CN201754116U (en) * | 2010-06-19 | 2011-03-02 | 比亚迪股份有限公司 | Pressure sensor |
| CN103868574A (en) * | 2012-12-11 | 2014-06-18 | 江苏技术师范学院 | Hydraulic vehicle load sensor |
| CN203705111U (en) * | 2014-01-26 | 2014-07-09 | 重庆市伟岸测器制造股份有限公司 | Pressure transmitter |
| CN104848983A (en) * | 2014-11-24 | 2015-08-19 | 重庆斯凯力科技有限公司 | Electronic pressure transducer |
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| CN105333938A (en) | 2016-02-17 |
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