CN202562950U - Calibration device for high-acceleration sensor - Google Patents
Calibration device for high-acceleration sensor Download PDFInfo
- Publication number
- CN202562950U CN202562950U CN2012201591255U CN201220159125U CN202562950U CN 202562950 U CN202562950 U CN 202562950U CN 2012201591255 U CN2012201591255 U CN 2012201591255U CN 201220159125 U CN201220159125 U CN 201220159125U CN 202562950 U CN202562950 U CN 202562950U
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- CN
- China
- Prior art keywords
- acceleration sensor
- high acceleration
- guide rails
- caliberating device
- armature body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000001133 acceleration Effects 0.000 claims description 37
- 239000011159 matrix material Substances 0.000 claims description 11
- 238000009527 percussion Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000035939 shock Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005674 electromagnetic induction Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 4
- 229910001315 Tool steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a calibration device for a high-acceleration sensor. The calibration device comprises two parallel conductive guide rails which are arranged on an insulating bottom plate; an armature body with balls which is arranged on the two guide rails and can slide along the guide rails; and an impact device which is arranged in front of the guide rails and is connected with a high-acceleration sensor. Preferably, arc-shaped sliding grooves are symmetrically arranged on the inner side faces of the two guide rails and the two arc-shaped sliding grooves are closely fitted with outer walls of the armature body on two sides. In the case that a positive current and a negative current pass through the two guide rails, under the effect of an electromagnetic induction force, the armature body with balls moves forwards along the guide rails to hit the front device and the generated powerful kinetic energy is used for the calibration of high-acceleration sensor. With the device, functions of measuring and calibrating the high-acceleration sensor are provided in a simpler structure way, and the production cost is low and the application is convenient.
Description
Technical field
The utility model relates to the demarcation of sensor in the dynamic environmental test equipment, relates in particular to a kind of sensor calibration apparatus of high acceleration value.
Background technology
It is impulse test that a kind of test method is arranged in the dynamic environmental test; For correctness and the validity that guarantees Impulse Test Result, survey sensor used in the impulse test will be demarcated, at present; The demarcation of shock transducer divides from the value angle, and a kind of is that acceleration magnitude is less than 30000m/s
2, another kind is that acceleration magnitude is greater than 30000m/s
2
Usually the acceleration magnitude of working as shock transducer is less than 30000m/s
2The time, adopt the free fall type shock testing machine to carry out; Demarcating acceleration magnitude greater than 30000m/s
2The time; The impact kinetic energy of free fall type shock testing machine can not satisfy; Impact magnitude and do not reach desired acceleration, commonly used is to increase energy storage equipment on the freely falling body shock testing machine or impacting to increase on the table top and impacting amplifier, but these two kinds of resulting accekerations of method are to belong to open-loop response; Poor repeatability has directly influenced the precision of institute's calibration sensor; Another kind of method of demarcating the high acceleration sensor values is to adopt air bubble, though the repeatability of air bubble better, the big manufacturing cost and use cost of equipment is high.Therefore industry is demanded urgently developing and a kind of simple in structurely, and cost is low, can produce enough kinetic energy, and the measurement and the caliberating device of convenient application high acceleration sensor.
The utility model content
The utility model is the travel forward principle of acting of the effect that utilizes current in magnetic field, to receive electromagnetic force (long-range navigation magnetic force); Its purpose is to propose a kind of caliberating device of high acceleration sensor; The kinetic energy of its generation is big, and is simple in structure, and cost is low; Can fully satisfy the demand of the measurement and the demarcation of high acceleration sensor, thereby overcome deficiency of the prior art.
For realizing above-mentioned utility model purpose, the utility model has adopted following technical scheme:
A kind of caliberating device of high acceleration sensor comprises: insulating base, two parallel electrically conductive guide rails, be arranged on these two guide rails, and the armature body that can slide along guide rail, also be provided with bullet on the said armature body and be installed in the percussion device of guide rail front end.
Be symmetrically arranged with arc chute on the medial surface of said two conductive guides, this twice arc chute closely cooperates with the both sides outer wall of said armature body respectively.
Said armature body comprises the magnetic conduction matrix and is coated on the conductive material layer on the magnetic conduction matrix.
Said armature body comprises the steel matrix and is coated on the xantal layer on the steel matrix, and said armature body front end is equipped with the steel bullet.
Said percussion device is provided with the sensor connecting portion.
As a kind of preferred embodiment; Said percussion device comprises the support of being located at the guide rail front end and is arranged in the little axle on the support; Be provided with between one side of said little axle one end and support sensing guide rail front end and be fixed with duration of shock pulse width pad, the other end is provided with the sensor connecting portion.
Also be arranged with back-moving spring on the said little axle, said back-moving spring is located between said support and the high acceleration sensor.
Said little axle one end is provided with bulge, and said impact pulsewidth pad is located between this bulge and support one side.
Further, the caliberating device of this high acceleration sensor also comprises a cover body, and said at least guide rail and armature all are located in this cover body.
The principle of work of the utility model is following:
When two guide rails pass to DC current, under the electromagnetic force effect of electromagnetic induction, the armature of band bullet will clash into forward along the accelerated motion of guide rail direction.---
Electromagnetic force F=L ' I
2/ 2 F---electromagnetic force (N)
L '---guide rail inductance gradient (H/m)
I---working current (A)
Electrical current is big more, and electromagnetic force is just big more.
At the percussion device of guide rail front end by little axle, support, compositions such as pulse packing ring.Little shaft material is hard, by alloy tool steel 5CrW
2The Si made, the pulse packing ring is regulated pulsewidth, and acceleration transducer is contained on the little shaft rear end face, accepts impact energy.
Compared with prior art, the function that the utility model has realized measuring and demarcating the high acceleration sensor with more simple version, its low cost of manufacture, convenient in application can fully satisfy the demand of the measurement and the demarcation of high acceleration sensor.
Description of drawings
Fig. 1 is the structural representation of the caliberating device of high acceleration sensor in the utility model one preferred implementation;
Each assembly is respectively among the figure: the wide pad of conductive guide 1, armature body 2, insulating base 3, support 4, little axle 5, pulse 6, back-moving spring 7, Nonlubricated bearing 8, cover body 9.
Embodiment
Be described further below in conjunction with accompanying drawing and a preferred embodiment technical scheme the utility model:
Consult Fig. 1, the caliberating device of this high acceleration sensor comprises:
Be installed in two parallel electrically conductive guide rails 1 on the insulating base 3;
Be arranged on these two guide rails, and can also be provided with bullet on the said armature body along the armature body 2 of guide rail slip;
And, be installed in the percussion device of guide rail front end, be connected with high acceleration sensor (not shown) on the said percussion device.
As a kind of embodiment preferred, be symmetrically arranged with arc chute (like, crescent chute) on the medial surface of these two conductive guides, this twice arc chute closely cooperates with the both sides arc outer wall of armature body respectively.
Aforementioned bullet will be accepted bump, so material must be hard, and it preferably adopts alloy tool steel to process.
Aforementioned electric central administrative unit conduction and magnetic conduction, so armature body can be made up of magnetic conduction matrix and the conductive material layer that is coated on the magnetic conduction matrix, preferred, this magnetic conduction matrix can be formed from steel, its coated outside has the layer of aluminum bronze.
As one of preferred version; Aforementioned percussion device comprises the support 4 of being located at the guide rail front end and is arranged in the little axle 5 on the support; Said little axle one end has expansion texture; This expansion texture and support point to be provided with to be fixed with between the side of guide rail front end and impact pulsewidth pad 6, and the other end also is fixedly connected with the high acceleration sensor through M5 screw etc.
Further, aforementioned little axle can be rack-mount through Nonlubricated bearing 8, also is arranged with back-moving spring 7 on the aforementioned little axle, and this back-moving spring is located between support and the high acceleration sensor.
Aforementioned little axial wood matter can be alloy tool steel, and the material of impact pulsewidth pad (being called for short the pulse pad) 6 is rubberite and plastics.
In addition, the caliberating device of this high acceleration sensor also can comprise a cover body 9, and guide rail and armature all are located in this cover body at least.This cover body preferably adopts the steel cage body with arc section, and this steel cage body lower end is fixedly connected with the base plate bottom.
The caliberating device of this high acceleration sensor is when work; Only need being connected with the direct supply both positive and negative polarity respectively on these two guide rails; The armature of band bullet will be moved along the guide rail directional acceleration, and the shock device, realize measurement and demarcation to the high acceleration sensor.
Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model is not constituted any limitation.All employing equivalents or equivalence replacement and the technical scheme that forms, all drop on the utility model rights protection scope it.
Claims (9)
1. the caliberating device of a high acceleration sensor is characterized in that, it comprises:
Insulating base,
Two parallel electrically conductive guide rails,
Be arranged on these two guide rails, and the armature body that can slide along guide rail, also be provided with bullet on the said armature body and be installed in the percussion device of guide rail front end.
2. the caliberating device of high acceleration sensor according to claim 1 is characterized in that, is symmetrically arranged with arc chute on the medial surface of said two conductive guides, and this twice arc chute closely cooperates with the both sides outer wall of said armature body respectively.
3. the caliberating device of high acceleration sensor according to claim 1 and 2 is characterized in that, said armature body comprises the magnetic conduction matrix and is coated on the conductive material layer on the magnetic conduction matrix.
4. the caliberating device of high acceleration sensor according to claim 3 is characterized in that, said armature body comprises the steel matrix and is coated on the xantal layer on the steel matrix, and said armature body front end is equipped with the steel bullet.
5. the caliberating device of high acceleration sensor according to claim 1 is characterized in that, said percussion device is provided with the sensor connecting portion.
6. the caliberating device of high acceleration sensor according to claim 5; It is characterized in that; Said percussion device comprises the support of being located at the guide rail front end and is arranged in the little axle on the support; Be provided with between one side of little axle one end and support sensing guide rail front end and be fixed with duration of shock pulse width pad, the other end is provided with the sensor connecting portion.
7. the caliberating device of high acceleration sensor according to claim 5 is characterized in that, also is arranged with back-moving spring on the said little axle, and said back-moving spring is located between said support and the high acceleration sensor.
8. according to the caliberating device of each described high acceleration sensor in claim 6 or 7, it is characterized in that said little axle one end is provided with bulge, said impact pulsewidth pad is located between this bulge and support one side.
9. the caliberating device of high acceleration sensor according to claim 1 is characterized in that, the caliberating device of said high acceleration sensor also comprises a cover body, and said at least guide rail and armature all are located in this cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201591255U CN202562950U (en) | 2012-04-16 | 2012-04-16 | Calibration device for high-acceleration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201591255U CN202562950U (en) | 2012-04-16 | 2012-04-16 | Calibration device for high-acceleration sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202562950U true CN202562950U (en) | 2012-11-28 |
Family
ID=47212595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201591255U Expired - Lifetime CN202562950U (en) | 2012-04-16 | 2012-04-16 | Calibration device for high-acceleration sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202562950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115691A (en) * | 2015-07-09 | 2015-12-02 | 中国计量科学研究院 | System for obtaining impulse response |
| CN111413517A (en) * | 2020-05-06 | 2020-07-14 | 苏州笛灵科技有限公司 | Air-throwing impact type calibration device of acceleration sensor and using method thereof |
-
2012
- 2012-04-16 CN CN2012201591255U patent/CN202562950U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115691A (en) * | 2015-07-09 | 2015-12-02 | 中国计量科学研究院 | System for obtaining impulse response |
| CN105115691B (en) * | 2015-07-09 | 2017-11-14 | 中国计量科学研究院 | A kind of system for obtaining shock response |
| CN111413517A (en) * | 2020-05-06 | 2020-07-14 | 苏州笛灵科技有限公司 | Air-throwing impact type calibration device of acceleration sensor and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Calibration device for high-acceleration sensor Effective date of registration: 20130703 Granted publication date: 20121128 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2013990000429 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140922 Granted publication date: 20121128 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2013990000429 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Calibration device for high-acceleration sensor Effective date of registration: 20140928 Granted publication date: 20121128 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2014990000821 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20151016 Granted publication date: 20121128 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2014990000821 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Calibration device for high-acceleration sensor Effective date of registration: 20151105 Granted publication date: 20121128 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd. Registration number: 2015320010012 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170112 Granted publication date: 20121128 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Test Instrument Co., Ltd. Registration number: 2015320010012 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Calibration device for high-acceleration sensor Effective date of registration: 20170119 Granted publication date: 20121128 Pledgee: China Everbright Bank Suzhou branch Pledgor: Suzhou Dongling Vibration Test Instrument Co., Ltd. Registration number: 2017320010004 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201214 Granted publication date: 20121128 Pledgee: China Everbright Bank Co.,Ltd. Suzhou Branch Pledgor: SUZHOU DONGLING VIBRATION TEST INSTRUMENT Co.,Ltd. Registration number: 2017320010004 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |