CN109084710A - A kind of pneumatic electronic detector - Google Patents
A kind of pneumatic electronic detector Download PDFInfo
- Publication number
- CN109084710A CN109084710A CN201811249497.5A CN201811249497A CN109084710A CN 109084710 A CN109084710 A CN 109084710A CN 201811249497 A CN201811249497 A CN 201811249497A CN 109084710 A CN109084710 A CN 109084710A
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- Prior art keywords
- measurement
- inlet end
- bypass
- detection
- main road
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
Abstract
The invention discloses a kind of pneumatic electronic detectors, including inlet end, measurement bypass and detection main road, the measurement bypass and detection main road are connect by parallel way with inlet end, the measurement bypass is equipped with measurement portion, measurement portion is used to measure the size of the gas flow in measurement bypass, the detection main road is equipped with nozzle far from inlet end and detects mandrel, the nozzle detection mandrel is used to spray the detection gas transmitted from inlet end, meet requirement of industrial 4.0 epoch to Intelligent precise measuring device, gas electricity instrument is in signal processing, there is outstanding advantage in terms of information analysis.
Description
Technical field
The invention belongs to instrumentation devices technical fields, specifically, the present invention relates to a kind of detections of pneumatic electronic
Instrument.
Background technique
Air-gauge is the Novel detector device occurred in machine building industry in recent years, converts length signals to
Airflow signal is measured using size of the comparative measurement method to workpiece to be measured.
Air-gauge generally includes gas source supply unit, host portion and measuring head, wherein gas source supply unit can supply compression
Gas is simultaneously connect with host, which can spray via the host from the gas circuit of the measuring head, which has display
Portion, the display unit can show to workpiece measure as a result, with measure the size of workpiece whether design the margin of tolerance
It is interior, to judge whether workpiece is qualified.
Air-gauge is arranged in pairs or groups from different plug jets, and the measurement of many kinds of parameters may be implemented.To meet industrial 4.0 epoch
Requirement to Intelligent precise measuring device, gas electricity instrument have outstanding advantage in terms of signal processing, information analysis.
But current air-gauge applies than wide circle bounce and flatness, and the length or hole to workpiece for measurement
The size of diameter is using less.
Summary of the invention
According to the above-mentioned deficiencies of the prior art, the invention proposes a kind of pneumatic electronic detectors, before being dedicated to solution
State the problems in background technique.
The present invention solves its technical problem using following technical scheme to realize:
A kind of pneumatic electronic detector, including inlet end, measurement bypass and detection main road, the measurement bypass and detection
Main road is connect by parallel way with inlet end, and the measurement bypass is equipped with measurement portion, and measurement portion is for measuring measurement bypass
The size of interior gas flow, the detection main road are equipped with nozzle far from inlet end and detect mandrel, and the nozzle detection mandrel is used
In the detection gas that injection is transmitted from inlet end.
Preferably, the inlet end is successively arranged check valve and air gauge to detection main road direction, and the check valve is used for
Airflow reflux in limitation measurement bypass and detection main road is to inlet end, and the air gauge is for measuring intraductal atmospheric pressure size.
Preferably, the measurement portion includes diaphragm chamber and inductance type detection contact, and the diaphragm chamber installs and the measurement
In shunt valve, the sensing end of the inductance type detection contact is fixedly connected with diaphragm chamber, outside the other end of inductance type detection contact
It is connected to electronic console.
Preferably, diaphragm, the gas of the surface placement direction of diaphragm and the measurement bypass circulation are equipped in the diaphragm chamber
Stream direction is consistent, and diaphragm chamber is divided into the upper chamber and lower chambers of two independent sealings by the diaphragm, and the lower chambers are used for
Air-flow in circulation measurement bypass.
Preferably, be equipped between the measurement portion and inlet end and return to zero portion, the portion of returning to zero for adjust measurement bypass and
The air pressure of detection main road is restored to standard atmospheric pressure.
Preferably, the nozzle detection mandrel includes spindle body, and main airway and branch airway are equipped in the spindle body,
The branch airway is used to spray gas and acts on the position detected with the needs of workpiece for measurement.
It is using the beneficial effect of above technical scheme:
Pneumatic electronic surveying is that the technology of workpiece size size is measured by air mass flow and pressure, the flow of air with
The size of size gap has certain proportionate relationship.It realizes Pneumatic precision measurement, needs to incude measured workpiece change in size, lead to
Often referred to as nozzle detects mandrel, and gas surveys the signal amount of the transferring to instrument ontology of the gas flow that school incudes or pressure change to handle simultaneously
It is shown to user.Meet the requirement to Intelligent precise measuring device, gas electricity instrument has prominent in terms of signal processing, information analysis
Advantage out.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the front view of present embodiment；
Fig. 2 is the fragmentary detail view of the measurement portion of present embodiment；
Fig. 3 is the fragmentary detail view of the nozzle detection mandrel of present embodiment；
Fig. 4 is the fragmentary detail view of the branch airway of present embodiment；
Specific embodiment
Below by the description to embodiment, the shape of for example related each component of a specific embodiment of the invention, structure
It makes, the mutual alignment between each section and connection relationship, the effect of each section and working principle, manufacturing process and the side of operating with
Method etc., is described in further detail, completeer to help those skilled in the art to have inventive concept of the invention, technical solution
Whole, accurate and deep understanding.
As shown in Figs 1-4, a kind of pneumatic electronic detector, including inlet end 1, measurement bypass 2 and detection main road 3, institute
It states measurement bypass 2 and detection main road 3 is connect by parallel way with inlet end 1, the measurement bypass 2 is equipped with measurement portion 20,
Measurement portion 20 is used to measure the size of the gas flow in measurement bypass 2, and the detection main road 3 is equipped with nozzle far from inlet end 1
Mandrel 30 is detected, the nozzle detection mandrel 30 is used to spray the detection gas transmitted from inlet end 1.
The inlet end 1 is successively arranged check valve 10 and air gauge 11 to detection 3 direction of main road, and the check valve 10 is used for
Limitation measurement bypass 2 and the airflow reflux in detection main road 3 to inlet end 1, the air gauge 11 are big for measuring intraductal atmospheric pressure
It is small.
The measurement portion 20 includes diaphragm chamber 200 and inductance type detection contact 201, the diaphragm chamber 200 installation with it is described
In measurement 2 pipes of bypass, the sensing end of the inductance type detection contact 201 is fixedly connected with diaphragm chamber 200, inductance type detection contact
201 other end is circumscribed with electronic console 21.
Diaphragm 200a, 2 circulation of the surface placement direction of diaphragm 200a and measurement bypass are equipped in the diaphragm chamber 200
Airflow direction it is consistent, the upper chamber 200c and lower chambers that diaphragm chamber 200 is divided to for two independent sealings by the diaphragm 200a
The air-flow that 200b, the lower chambers 200b are used to circulate in measurement bypass 2.
Be equipped between the measurement portion 20 and inlet end 1 and return to zero portion 22, it is described return to zero portion 22 for adjust measurement bypass 2 Hes
The air pressure of detection main road 3 is restored to standard atmospheric pressure.
The nozzle detection mandrel 30 includes spindle body 300, is equipped with main airway 301 and branch in the spindle body 300
Air flue 302, the branch airway 302 are used to spray gas and act on the position detected with the needs of workpiece for measurement.
Specific working mode is illustrated with specific embodiment below:
A kind of pneumatic electronic detector, including inlet end 1, measurement bypass 2 and detection main road 3, the measurement bypass 2 Hes
Detection main road 3 is connect by parallel way with inlet end 1, and the measurement bypass 2 is equipped with measurement portion 20, and measurement portion 20 is for surveying
The size of gas flow in measurement bypass 2, the detection main road 3 is equipped with nozzle far from inlet end 1 and detects mandrel 30, described
Nozzle detection mandrel 30 is used to spray the detection gas transmitted from inlet end 1.
Pneumatic gauging is a kind of relative measurement, is to realize accurate measurement on the basis of the above lower standard component.Upper and lower standard component
Size we be known as absolute dimension, inductor calculates the size obtained and is known as relative size, and absolute dimension is that measurement result is protected
The key element of card, so detector will obtain absolute dimension before detecting relative size and could compare and calculate specific
Precision size.
The measuring principle of amount instrument is the air mass flow and cylindrical side in the gap of nozzle face and measured surface that through hole is
Area has functional relation: cylindrical side area is about small, and gas flow is bigger, otherwise cylindrical side area is about small, and gas flow is got over
Greatly.When nozzle bore immobilizes, the flow functional relation directly proportional to gap.
The variation in gap means the tested variation taken measurements, when it is tested take measurements reduce when, gap increases, and flow is therewith
Increase.
Discharge method can also use pressure application design flow instrument.Gas flow is opposite with pressure to be changed with gap in one section of linear model
Enclosing is also linear relationship, and the pressure that circulation airflow generates when the flow increases is reduced therewith, and is in certain linear relationship.
The inlet end 1 is successively arranged check valve 10 and air gauge 11 to detection 3 direction of main road, and the check valve 10 is used for
Limitation measurement bypass 2 and the airflow reflux in detection main road 3 to inlet end 1, the air gauge 11 are big for measuring intraductal atmospheric pressure
It is small, for measuring intraductal atmospheric pressure size before and after comparison, guarantee absolute dimension and relative size only one single change of measurement
Amount, is exactly size in the hole of workpiece for measurement.
The inlet end 1 is successively arranged check valve 10 and air gauge 11 to detection 3 direction of main road, and the check valve 10 is used for
Limitation measurement bypass 2 and the airflow reflux in detection main road 3 to inlet end 1, the air gauge 11 are big for measuring intraductal atmospheric pressure
It is small, be equipped between the measurement portion 20 and inlet end 1 and return to zero portion 22, it is described return to zero portion 22 for adjust measurement bypass 2 and detect
The air pressure of main road 3 is restored to standard atmospheric pressure.For detecting when the portion that returns to zero 22 is adjusted, if restore an atmospheric pressure state.
The measurement portion 20 includes diaphragm chamber 200 and inductance type detection contact 201, the diaphragm chamber 200 installation with it is described
In measurement 2 pipes of bypass, the sensing end of the inductance type detection contact 201 is fixedly connected with diaphragm chamber 200, inductance type detection contact
201 other end is circumscribed with electronic console 21, and diaphragm 200a is equipped in the diaphragm chamber 200, and the surface of diaphragm 200a is placed
Direction is consistent with the airflow direction of 2 circulation of measurement bypass, and diaphragm chamber 200 is divided to independent close for two by the diaphragm 200a
The upper chamber 200c and lower chambers 200b of envelope, the air-flow that the lower chambers 200b is used to circulate in measurement bypass 2.
The main road of identical pipeline and the flow velocity of bypass and flow are direct ratios.It is all in scheme relatively
Detection environment be it is the same, when size changes in the hole of workpiece for measurement, when hole inner edge is big, gap becomes larger, and flow velocity becomes smaller,
The flow velocity of main road becomes smaller, and bypass is proportional to reduction, is equipped with diaphragm 200a in the diaphragm chamber 200, diaphragm 200a's
Surface placement direction is consistent with the airflow direction of 2 circulation of measurement bypass, and it is two that diaphragm chamber 200 is divided to by the diaphragm 200a
The upper chamber 200c and lower chambers 200b of independent sealing, the air-flow that the lower chambers 200b is used to circulate in measurement bypass 2, on
Chamber 200c air pressure becomes smaller, and moves downward, and when tabletting area changes weak voltage occurs for inductance type detection contact 201
Variation obtains high precision measuring data by the amplification of amplifier in turn.
The nozzle detection mandrel 30 includes spindle body 300, is equipped with main airway 301 and branch in the spindle body 300
Air flue 302, the branch airway 302 are used to spray gas and act on the position detected with the needs of workpiece for measurement.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out, or not improved this is sent out
Bright conception and technical scheme directly apply to other occasions, within the scope of the present invention.Protection of the invention
Range should be determined by the scope of protection defined in the claims.
Claims (6)
1. a kind of pneumatic electronic detector, it is characterised in that: including inlet end (1), measurement bypass (2) and main road (3) are detected,
The measurement bypass (2) and detection main road (3) are connect by parallel way with inlet end (1), and the measurement bypass (2) is equipped with
Measurement portion (20), measurement portion (20) are used to measure the size of the gas flow in measurement bypass (2), and the detection main road (3) is remote
It is equipped with nozzle detection mandrel (30) from inlet end (1), nozzle detection mandrel (30) is used to spray from inlet end (1) transmission
Detection gas.
2. a kind of pneumatic electronic detector according to claim 1, it is characterised in that: the inlet end (1) is to detection
Main road (3) direction is successively arranged check valve (10) and air gauge (11), the check valve (10) for limit measurement bypass (2) and
The airflow reflux in main road (3) is detected to inlet end (1), the air gauge (11) is for measuring intraductal atmospheric pressure size.
3. a kind of pneumatic electronic detector according to claim 1, it is characterised in that: the measurement portion (20) includes film
Piece room (200) and inductance type detection contact (201), diaphragm chamber (200) installation bypasses in (2) pipe with the measurement, described
The sensing end of inductance type detection contact (201) is fixedly connected with diaphragm chamber (200), the other end of inductance type detection contact (201)
It is circumscribed with electronic console (21).
4. a kind of pneumatic electronic detector according to claim 3, it is characterised in that: set in the diaphragm chamber (200)
Have diaphragm (200a), the surface placement direction of diaphragm (200a) is consistent with the airflow direction of measurement bypass (2) circulation, described
Diaphragm chamber (200) is divided into upper chamber (200c) and the lower chambers (200b) of two independent sealings by diaphragm (200a), under described
Chamber (200b) is used for the air-flow to circulate in measurement bypass (2).
5. a kind of pneumatic electronic detector according to claim 1, it is characterised in that: the measurement portion (20) and air inlet
It is equipped with and returns to zero portion (22) between end (1), the air pressure for returning to zero portion (22) for adjusting measurement bypass (2) and detecting main road (3)
It is restored to standard atmospheric pressure.
6. a kind of pneumatic electronic detector according to claim 1, it is characterised in that: the nozzle detects mandrel (30)
Including spindle body (300), main airway (301) and branch airway (302), the branch airway are equipped in the spindle body (300)
(302) position detected for spraying the needs of gas effect and workpiece for measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249497.5A CN109084710A (en) | 2018-10-25 | 2018-10-25 | A kind of pneumatic electronic detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249497.5A CN109084710A (en) | 2018-10-25 | 2018-10-25 | A kind of pneumatic electronic detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109084710A true CN109084710A (en) | 2018-12-25 |
Family
ID=64844156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811249497.5A Pending CN109084710A (en) | 2018-10-25 | 2018-10-25 | A kind of pneumatic electronic detector |
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| Country | Link |
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| CN (1) | CN109084710A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068264A (en) * | 2019-05-21 | 2019-07-30 | 珠海凯邦电机制造有限公司 | Detection device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208724U (en) * | 1987-06-04 | 1988-10-12 | 清华大学 | Pneumatic-diaphragm type metering pump |
| CN1664496A (en) * | 2005-03-25 | 2005-09-07 | 梁嘉麟 | Method for testing flatness data |
| CN201653387U (en) * | 2010-01-25 | 2010-11-24 | 天津工程师范学院 | Air photoelectric type digital measuring device for machining accuracy of inner hole |
| CN201892526U (en) * | 2010-12-01 | 2011-07-06 | 玉环普天单向器有限公司 | Electrical pneumatic micrometer |
| CN204007552U (en) * | 2014-05-28 | 2014-12-10 | 惠州东精科技有限公司 | A kind of high precision pneumoelectric is measured integration apparatus |
-
2018
- 2018-10-25 CN CN201811249497.5A patent/CN109084710A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208724U (en) * | 1987-06-04 | 1988-10-12 | 清华大学 | Pneumatic-diaphragm type metering pump |
| CN1664496A (en) * | 2005-03-25 | 2005-09-07 | 梁嘉麟 | Method for testing flatness data |
| CN201653387U (en) * | 2010-01-25 | 2010-11-24 | 天津工程师范学院 | Air photoelectric type digital measuring device for machining accuracy of inner hole |
| CN201892526U (en) * | 2010-12-01 | 2011-07-06 | 玉环普天单向器有限公司 | Electrical pneumatic micrometer |
| CN204007552U (en) * | 2014-05-28 | 2014-12-10 | 惠州东精科技有限公司 | A kind of high precision pneumoelectric is measured integration apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 晏初宏: "《几何量公差配合与技术测量》", 31 August 2011, 上海科学技术出版社 * |
| 杨慕升 等: "《基于气电转换的零件内孔尺寸与形状精度检测研究》", 《基于气电转换的零件内孔尺寸与形状精度检测研究》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068264A (en) * | 2019-05-21 | 2019-07-30 | 珠海凯邦电机制造有限公司 | Detection device and method |
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Application publication date: 20181225 |
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| RJ01 | Rejection of invention patent application after publication |