CN106404256A - Combined manganese copper pressure meter, measurement device with combined manganese copper pressure meter, and preparation method thereof - Google Patents
Combined manganese copper pressure meter, measurement device with combined manganese copper pressure meter, and preparation method thereof Download PDFInfo
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- CN106404256A CN106404256A CN201611053953.XA CN201611053953A CN106404256A CN 106404256 A CN106404256 A CN 106404256A CN 201611053953 A CN201611053953 A CN 201611053953A CN 106404256 A CN106404256 A CN 106404256A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
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Abstract
The invention discloses a combined manganese copper pressure meter, a measurement device with the combined manganese copper pressure meter, and a preparation method thereof. The invention aims to solve the problem that an existing manganese copper pressure meter only can realize a single point measurement, only one data point is obtained in each test, when the impact initiation performance of a tested explosive is carried out, multiple tests are needed, and the test cost is high. The meter comprises a polytetrafluoroethylene layer, a fluorinated ethylene propylene layer and a combined pressure measuring piece. The invention provides small high amplitude pressure measurement technology, a shock wave state is characterized through the measurement of the pressure state of a substance after a shock wave, the combined manganese copper pressure meter, the measurement device and the preparation method can be applied to research an explosive impact initiation process, and the characteristics of the pressure states of multiple points of different shock wave can be measured in a single test. The prepared combined manganese copper pressure meter has the advantages of a small volume, sensitive response, high measurement pressure, low cost, a high application value and application prospect, and has a great significance for studying the impact initiation performance of the tested explosive.
Description
Technical field
The present invention relates to fields of measurement, especially measurement apparatus field, specially a kind of combined type manganin pressure meter,
Mensure device using it and preparation method thereof.As a kind of new, combined pressure meter, it is capable of to measurement the present invention
The multi-point condition of middle difference shock wave movement position measures, and has preferable application prospect.
Background technology
The Impact Initiation of explosive is always the research topic that detonics field attracts people's attention very much, and it is mainly studied in explosive
The shock wave propagated progressively develops, and is converted into the process of detonation wave.Explosive producing and processing, store, transport and use process
The mistake of middle generation is quick-fried, also closely related with the Impact Initiation of explosive.The Impact Initiation process of research explosive is detonated for studying it
Mechanism, security performance, all have very important meaning；Meanwhile, the application to explosive, including the development of all kinds of weapons and ammunitions,
There is important practical significance.
In order to obtain more rich, more accurate, more reliable test data, many scholars try to explosive Impact Initiation both at home and abroad
Proved recipe method carried out in a large number, in-depth study.Measuring method from electric probe, quartz meter, high speed photography, to manganin pressure
Meter, the application of electromagnetic particle velocity gauge, measuring accuracy and temporal resolution more and more higher, test data also tends to more rich.
Currently, manganin pressure gage is that a kind of explosive Impact Initiation that is applied to tests relatively broad equipment.However, it is existing
Manganin pressure gage is due to being single meter, so every test can only obtain a data point；Impact in order to obtain tested explosive rises
Quick-fried performance, needs to carry out multiple test, experimentation cost is higher.
Therefore, in the urgent need to a kind of new device or equipment, to solve the above problems.
Content of the invention
The goal of the invention of the present invention is：Single point assay, every examination can only be realized for existing manganin pressure gage at present
Test and can only obtain a data point, in the Impact Initiation performance test carrying out tested explosive, need to carry out multiple test, test
Relatively costly problem, provides a kind of combined type manganin pressure meter, using its mensure device and preparation method thereof.This
A kind of small-sized high amplitude pressure e measurement technology of bright offer, it is by the measurement ＆ characterization impact of the pressure state of material after shock wave
Wavy state, can be used in studying explosive Impact Initiation process, and it is many to measure different shock wave movement positions in single-shot experiment
The characteristics such as the pressure state of point.Meanwhile, the combined pressure meter of present invention preparation has small volume, response is sensitive, measure pressure
High, low cost and other advantages, have higher using value and application prospect, and the research for tested explosive initiation performance has weight
The meaning wanted.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of combined type manganin pressure meter, including polytetrafluoroethylene floor, fluorinated ethylene propylene (FEP) layer, combination pressure measurement piece, institute
State combination pressure measurement piece to be made up of at least two copper-manganeses measurement pieces, described copper-manganese measurement piece is respectively arranged with power line and draws
Pin, signal wire pin, described copper-manganese measurement piece is set up in parallel and is mutually not attached to, and described copper-manganese measurement piece is arranged on polytetrafluoroethylene (PTFE)
In layer, described fluorinated ethylene propylene (FEP) layer is two groups and is separately positioned on outside polytetrafluoroethylene floor, described polytetrafluoroethylene floor, fluorination
Second propylene layer constitutes encapsulating material layer.
Described combination pressure measurement piece measures piece by two to ten copper-manganeses and forms.
The resistance of described copper-manganese measurement piece is identical and resistance is 1 ~ 500 Ω.
The resistance that described copper-manganese measures piece is 30 ~ 50 Ω.
Using the mensure device of aforementioned combinatorial formula manganin pressure meter, including lower surface explosive layer, upper surface explosive layer,
Combined type manganin pressure meter, the described lower surface explosive layer rectangular triangle of section vertically, described combined type
Manganin pressure meter is arranged on the inclined-plane of lower surface explosive layer, and explosive layer section vertically in described upper surface is in fall
Right angled triangle and upper surface explosive layer is matched with lower surface explosive layer.
The preparation method of aforementioned combinatorial formula manganin pressure meter, comprises the steps：
（1）According to impedance matching, determine that combination pressure measures the resistance that single copper-manganese in piece measures piece sensitive segment, surveyed according to copper-manganese
The resistance of amount piece, the corresponding copper-manganese of Design of length measure the width of piece, complete the design that combination pressure measures piece；
（2）Smooth clean copper-manganese paper tinsel is put into laser engraving machine carved, prepare combination pressure measurement piece；
（3）Under vacuum, after fluorinated ethylene propylene (FEP) being melted, then depress outside by combination pressure measurement piece be arranged at fluorination second
In propylene, then the outer layer of fluorinated ethylene propylene (FEP) and polytetrafluoroethylene floor are bonded together, realize the measurement of combined type manganin pressure
Encapsulation under the conditions of binder free for the meter, thus form fluorinated ethylene propylene (FEP) layer, and in fluorinated ethylene-propylene on combination pressure measurement piece
Form polytetrafluoroethylene floor on alkene layer, after the completion of encapsulation, natural cooling, obtain final product product.
In described step 3, vacuum is 0.1 ~ 100Pa.
For foregoing problems, the present invention provide a kind of combined type manganin pressure meter, the mensure device using it and its
Preparation method.In an instantiation, this combined type manganin pressure meter is made using following steps.First, in order to protect
There is good impedance matching between card pressure gauge and cable, prevent the beginning of cable, reflection interference in terminal, by combined type
In pressure gauge, the resistance of each sensitive segment is designed to 50 Ω, then wide accordingly according to the Design of length of resistance, each sensitive segment
Degree, using mapping software（As AutoCAD）The multiple manometer designing is drawn.Then, the copper-manganese paper tinsel of 10 μ m-thick is carried out
Smooth and clean clean, design drawing is inputted laser engraving machine, combined pressure meter is carved using copper-manganese paper tinsel.Wherein, combine
Pressure measxurement piece measures piece by least two copper-manganeses and forms, and is respectively arranged with power supply wire pin, holding wire on copper-manganese measurement piece
Pin.Again at high temperature, the fluorinated ethylene propylene (FEP) of multiple manometer encapsulating material internal layer is melted, be allowed to cementation；?
Under pressure effect, make the copper-manganese element completing in fluorinated ethylene propylene (FEP) with engraving（The i.e. combination pressure measurement piece of the present invention）Bonding,
Another side bonding polytetrafluoroethylene (PTFE), realizes self encapsulation in the case of binder free；Encapsulation requires to be less than 100 handkerchiefs in vacuum
Under the conditions of carry out；After the completion of encapsulation pressure gauge, for the harm that multiple manometer is caused that avoids expanding with heat and contract with cold, envelope is made by pressurize
The combined pressure meter natural cooling installing is it is desirable to guarantee not enclosing sky around combined pressure meter in encapsulation process
Gas.In encapsulation, the temperature beyond making hot press thermal insulation board using pure hydrologic cycle cooling system is less than 50 DEG C, right to reduce
The high temperature damage of other components and parts of hot press.In this example, the thickness of the combined pressure meter completing is about 110 μm.
In the present invention, this combined type manganin pressure meter includes polytetrafluoroethylene floor, fluorinated ethylene propylene (FEP) layer, combination pressure
Measurement piece, combination pressure measurement piece measures piece by least two copper-manganeses and forms, and copper-manganese measurement piece is respectively arranged with power line and draws
Pin, signal wire pin, copper-manganese measurement piece is set up in parallel and is mutually not attached to.Copper-manganese measures the combination pressure measurement piece setting of piece composition
In polytetrafluoroethylene floor, fluorinated ethylene propylene (FEP) layer is two groups and is separately positioned on outside polytetrafluoroethylene floor, polytetrafluoroethylene floor,
Fluorinated ethylene propylene (FEP) layer constitutes encapsulating material layer.Preferably, combination pressure measurement piece measures piece by three to six copper-manganeses and forms.
Traditional manganin pressure is calculated as singly counting design, and the pressure of present invention preparation is calculated as combined pressure meter, by will be multiple
Copper-manganese measurement piece is combined, and is encapsulated into an entirety, so that the combined type manganin pressure meter energy of the present invention
In an Impact Initiation test, you can the pressure traverse at acquisition shock wave development different distance, effectively save experimentation cost,
Eliminate the different processing sent out between test, alignment error.
Meanwhile, in order to ensure to have good impedance matching between pressure gauge and cable, prevent the beginning of cable, terminal goes out
Existing reflection interference, the resistance of each sensitive segment in combined pressure meter is designed to similar resistance by the present invention, and according to resistance, every
The corresponding width of Design of length of individual sensitive segment, and design drawing input laser engraving machine is carved, produce high accuracy
Copper-manganese measurement piece.In addition, being to avoid expanding with heat and contract with cold the harm that multiple manometer is caused, the present invention will make encapsulation by pressurize
The combined pressure meter natural cooling completing.
Compared with prior art, the invention has the advantages that：1）In a test, different impact wave motions can be measured
Multipoint pressure state at position, realizes multimetering；2）The certainty of measurement of the present invention is high, and measurement data is reproducible, pressure
Measure error is not more than 7%, has high measurement accuracy；3）The present invention in the measurement pressure limit of 0.9GPa ~ 9.6 GPa,
The response time of meter is less than 200ns, and sensitivity is high；4）The compact of the combined type manganin pressure meter of the present invention, thickness
Can control at 110 μm, the planar dimension of measurement part is less than 20 × 25mm2, the overall dimension of meter is less than 50 × 60mm2；5）Experiment
Low cost, can obtain the pressure traverse at different shock wave movement positions by a test.
In sum, the present invention designs first and has the combination pressure measurement piece that multiple copper-manganeses measure piece, and by adopting
With laser-engraving technique, packaging by hot pressing technology, insulation-encapsulated design, successfully achieve combined type, small volume, low cost, essence
Spend the preparation of of a relatively high combined type manganin pressure gage.The present invention, for the Impact Initiation performance test of tested explosive, has
Important using value, worth large-scale promotion and application.
Brief description
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the structural representation of combined type manganin pressure meter in the present invention.
Fig. 2 is the A-A of Fig. 1 to sectional view.
Fig. 3 is the structural representation measuring device in embodiment 1.
Fig. 4 is the B-B direction sectional view of Fig. 3.
Fig. 5 is the pressure traverse signal graph that in embodiment 1, combined pressure meter obtains.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification, unless specifically stated otherwise, all can be equivalent or there is similar purpose by other
Alternative features are replaced.I.e., unless specifically stated otherwise, each feature is a series of equivalent or one of similar characteristics example
?.
Embodiment 1
In the present embodiment, combined type manganin pressure meter is prepared from using following steps.
（1）First according to impedance matching, determine that the resistance of each sensitive segment in combined pressure meter is 50 Ω, Ran Hougen
According to the corresponding width of the Design of length of resistance, each sensitive segment, using AutoCAD, the multiple manometer designing is drawn.This
In embodiment, measure piece using five copper-manganeses and be set up in parallel.
（2）The copper-manganese paper tinsel of 10 μ m-thick is carried out smooth and cleans clean, design drawing is inputted laser engraving machine, adopts
Combined pressure meter carved by copper-manganese paper tinsel.Carve the structure completing, as shown in Figure 1；Wherein, 1a/1b, 2a/2b, 3a/3b, 4a/4b,
5a/5b is the power supply wire pin that on combined pressure meter, each is singly counted, in order to access the both positive and negative polarity of current source；1c/1d、2c/2d、
3c/3d, 4c/4d, 5c/5d are the signal wire pins that on combined pressure meter, each is singly counted, and access oscillograph in order to connection cable.
（3）At high temperature, the fluorinated ethylene propylene (FEP) of multiple manometer encapsulating material internal layer is melted, be allowed to that there is bonding work
With under pressure so as to the copper-manganese member bond simultaneously completing with engraving, another side bonding polytetrafluoroethylene (PTFE), realizing no
Self encapsulation in the case of binding agent, encapsulation requires to carry out under the conditions of vacuum is less than 100 handkerchiefs.Meanwhile, followed using pure water
Temperature beyond ring cooling system makes thermal insulation board is less than 50 DEG C, reduces the high temperature damage to other components and parts of hot press.Encapsulation
After the completion of pressure gauge, for the harm that multiple manometer is caused that avoids expanding with heat and contract with cold, the combined type that encapsulation completes is made by pressurize
Pressure gauge natural cooling is it is desirable to guarantee not enclosing air, combined type copper-manganese pressure around combined pressure meter in encapsulation process
Structure after the completion of power meter is as shown in Figure 2.
（4）Lower surface explosive layer, upper surface explosive layer, combined type manganin pressure meter are collectively constituted measurement apparatus；
Wherein, the rectangular triangle of lower surface explosive layer section vertically, combined type manganin pressure meter is arranged on lower end
On the inclined-plane of face explosive layer, upper surface explosive layer section vertically be in chamfer triangle and upper surface explosive layer with
End face explosive layer matches.When Fig. 3, Fig. 4 give using this combined type manganin pressure gage research explosive Impact Initiation performance
The Experimental equipment being adopted.
First, tested explosive is processed into the shape of the explosive A that in figure shows and explosive B, then by two pieces of tested explosives,
Combined type manganin pressure gage is installed in the way of shown in figure.Combined type manganin pressure gage is connected with current source and signal cable
Connect, it is possible to be impacted by combined type manganin pressure record when to incoming plane size chain as depicted in tested explosive
Pressure traverse at wave motion different distance.
Fig. 5 gives and studies JBO-9021 explosive in 6.7GPa initial shock pressure using the combined pressure meter of the present invention
Under Impact Initiation performance when obtain impact wave motion different distance when pressure traverse.In Fig. 5, it is followed successively by 1 from left to right ~
No. 5 samples.Experimental result it can be seen that with impact marble move distance in tested explosive increase, the pressure in explosive
Constantly rise, until shock wave reaches 4 ~ 5# copper-manganese timing, detonation realized by JBO-9021 explosive.JBO-9021 explosive is in 6.7GPa
Impact under initial shock pressure turns detonation distance for 8 ~ 9mm.Data according to obtaining can obtain the Pop of tested explosive further
Relation and reaction rate equation parameter.
Embodiment 2
In the present embodiment, combined type manganin pressure meter is prepared from using following steps.
（1）First according to impedance matching, determine that the resistance of each sensitive segment in combined pressure meter is 60 Ω, Ran Hougen
According to the corresponding width of the Design of length of resistance, each sensitive segment, using AutoCAD, the multiple manometer designing is drawn.This
In embodiment, measure piece using six copper-manganeses and be set up in parallel.
（2）The copper-manganese paper tinsel of 10 μ m-thick is carried out smooth and cleans clean, design drawing is inputted laser engraving machine, adopts
Combined pressure meter carved by copper-manganese paper tinsel.Wherein, the two ends of single copper-manganese measurement piece are respectively arranged with power supply wire pin, in order to access
The both positive and negative polarity of current source；The two ends that single copper-manganese measures piece are additionally provided with signal wire pin, access oscillograph in order to connection cable.
（3）At high temperature, the fluorinated ethylene propylene (FEP) of multiple manometer encapsulating material internal layer is melted, be allowed to that there is bonding work
With under pressure so as to the copper-manganese member bond simultaneously completing with engraving, another side bonding polytetrafluoroethylene (PTFE), realizing no
Self encapsulation in the case of binding agent, encapsulation requires to carry out under the conditions of vacuum is less than 100 handkerchiefs.Meanwhile, followed using pure water
Temperature beyond ring cooling system makes thermal insulation board is less than 50 DEG C, reduces the high temperature damage to other components and parts of hot press.Encapsulation
After the completion of pressure gauge, for the harm that multiple manometer is caused that avoids expanding with heat and contract with cold, the combined type that encapsulation completes is made by pressurize
Pressure gauge natural cooling is it is desirable to guarantee not enclosing air around combined pressure meter in encapsulation process.
（4）Respectively tested explosive is processed into lower surface explosive layer, upper surface explosive layer, lower surface explosive layer, upper surface
Explosive layer section vertically rectangular triangle respectively.During assembling, lower surface explosive layer, group are set successively from bottom to up
Box-like manganin pressure meter, upper surface explosive layer, lower surface explosive layer is inverted setting and is matched with upper surface explosive layer, obtains
To mensure device.
This mensure device is tested to tested explosive, it is counted in the measurement pressure limit of 0.9GPa ~ 9.6 GPa
Response time in the range of 50 ~ 100ns, sensitivity is high.
The invention is not limited in aforesaid specific embodiment.The present invention expands to and any discloses in this manual
New feature or any new combination, and the arbitrary new method of disclosure or the step of process or any new combination.
Claims (7)
1. a kind of combined type manganin pressure meter is it is characterised in that include polytetrafluoroethylene floor, fluorinated ethylene propylene (FEP) layer, combination
Pressure measxurement piece, described combination pressure measurement piece measures piece by least two copper-manganeses and forms, and described copper-manganese measurement piece sets respectively
It is equipped with power supply wire pin, signal wire pin, described copper-manganese measurement piece is set up in parallel and is mutually not attached to, described copper-manganese measurement piece setting
In polytetrafluoroethylene floor, described fluorinated ethylene propylene (FEP) layer is two groups and is separately positioned on outside polytetrafluoroethylene floor, described poly- four
PVF layer, fluorinated ethylene propylene (FEP) layer constitute encapsulating material layer.
2. according to claim 1 combined type manganin pressure meter it is characterised in that described combination pressure measurement piece is by two
Measure piece composition to ten copper-manganeses.
3. according to claim 1 combined type manganin pressure meter it is characterised in that described copper-manganese measure piece resistance phase
Same and resistance is 1 ~ 500 Ω.
4. according to claim 1 combined type manganin pressure meter it is characterised in that described copper-manganese measure piece resistance be
30~50Ω.
5. adopt the mensure device of combined type manganin pressure meter described in any one of claim 1-4 it is characterised in that including
Lower surface explosive layer, upper surface explosive layer, combined type manganin pressure meter, described lower surface explosive layer cuing open vertically
The rectangular triangle in face, described combined type manganin pressure meter is arranged on the inclined-plane of lower surface explosive layer, described upper surface
Explosive layer section vertically is in chamfer triangle and upper surface explosive layer is matched with lower surface explosive layer.
6. the preparation method of combined type manganin pressure meter described in aforementioned any one of claim 1-4 is it is characterised in that include
Following steps：
（1）According to impedance matching, determine that combination pressure measures the resistance that single copper-manganese in piece measures piece sensitive segment, surveyed according to copper-manganese
The resistance of amount piece, the corresponding copper-manganese of Design of length measure the width of piece, complete the design that combination pressure measures piece；
（2）Smooth clean copper-manganese paper tinsel is put into laser engraving machine carved, prepare combination pressure measurement piece；
（3）Under vacuum, after fluorinated ethylene propylene (FEP) being melted, then depress outside by combination pressure measurement piece be arranged at fluorination second
In propylene, then the outer layer of fluorinated ethylene propylene (FEP) and polytetrafluoroethylene floor are bonded together, realize the measurement of combined type manganin pressure
Encapsulation under the conditions of binder free for the meter, thus form fluorinated ethylene propylene (FEP) layer, and in fluorinated ethylene-propylene on combination pressure measurement piece
Form polytetrafluoroethylene floor on alkene layer, after the completion of encapsulation, natural cooling, obtain final product product.
7. preparation method according to claim 6 is it is characterised in that in described step 3, vacuum is 0.1 ~ 100Pa.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611053953.XA CN106404256A (en) | 2016-11-25 | 2016-11-25 | Combined manganese copper pressure meter, measurement device with combined manganese copper pressure meter, and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611053953.XA CN106404256A (en) | 2016-11-25 | 2016-11-25 | Combined manganese copper pressure meter, measurement device with combined manganese copper pressure meter, and preparation method thereof |
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