CN210834947U - Low-rotation-speed projectile body rotation speed measuring device - Google Patents
Low-rotation-speed projectile body rotation speed measuring device Download PDFInfo
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- CN210834947U CN210834947U CN201921844867.XU CN201921844867U CN210834947U CN 210834947 U CN210834947 U CN 210834947U CN 201921844867 U CN201921844867 U CN 201921844867U CN 210834947 U CN210834947 U CN 210834947U
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- circuit board
- rotational speed
- earth magnetism
- processing module
- center pin
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Abstract
The utility model discloses a low rotational speed projectile body rotational speed measuring device, including hood, ground magnetic circuit board gland, set screw, ground magnetic circuit board, front end housing, center pin, signal processing module and pressure spiral shell, the center pin front end is equipped with the front end housing, front end housing top end is equipped with the ground magnetic circuit board, ground magnetic circuit board the place ahead is equipped with ground magnetic circuit board gland, ground magnetic circuit board gland pass through set screw with front end housing top fixed connection, the hood is equipped with soon to the front end of front end housing, the inside tail end of center pin is equipped with signal processing module, the center pin tail end is equipped with the pressure spiral shell soon. The utility model discloses simple structure, low cost adopt limited method to measure the projectile body rotational speed and do not influence the installation of intelligent ammunition guidance control part, and the device adopts low-cost magnetic resistance sensor to measure the projectile body rotational speed of low rotational speed, is a better balanced cost and measurement accuracy's method, fine solution low rotational speed projectile body rotational speed measuring problem.
Description
Technical Field
The utility model belongs to the technical field of measure, concretely relates to low rotational speed projectile body rotational speed measuring device.
Background
The earth magnetic field is a natural reference datum which is 'suspended' in the air, and can be used for measuring the rotating speed as the earth gravitational field; in recent years, with the development of key technologies such as satellite positioning navigation technology, microelectronic technology, super computers and the like, the intellectualization of conventional ammunition is changed day by day, the pneumatic appearance is increasingly complex, the limited cost is used under the limited space limitation, and the method for measuring the rotating speed of the low-rotating-speed projectile body by adopting the limited method without influencing the installation of an intelligent ammunition guidance control component is the first choice.
Disclosure of Invention
An object of the utility model is to overcome prior art's is not enough, provides one kind under low rotational speed environment, adopts low-cost magnetic resistance sensor to carry out projectile body rotational speed measuring low rotational speed projectile body rotational speed measuring device.
In order to achieve the above design purpose, the utility model adopts the following technical scheme: the utility model provides a low rotational speed projectile body rotational speed measuring device, includes hood, earth magnetism circuit board gland, set screw, earth magnetism circuit board, front end housing, center pin, signal processing module and pressure spiral shell, the center pin front end is equipped with the front end housing, front end housing top end is equipped with earth magnetism circuit board, earth magnetism circuit board the place ahead is equipped with earth magnetism circuit board gland, earth magnetism circuit board gland pass through set screw with front end housing top fixed connection, the hood is equipped with soon to the front end of front end housing, the inside tail end of center pin is equipped with signal processing module, the center pin tail end is equipped with the pressure spiral shell soon.
The signal processing module comprises battery module, power module, signal acquisition module and processing module, the power supply line of earth magnetism circuit board is connected with the power module electricity in the signal processing module, earth magnetism signal conductor on the earth magnetism circuit board is connected with the signal acquisition module electricity in the signal processing module, acquisition module is connected with the processing module electricity.
The utility model discloses beneficial effect: the device adopts the low-cost magnetic resistance sensor to measure the rotating speed of the low-rotating-speed projectile body, is a method for balancing cost and measurement precision better, and can meet the requirement of accurate measurement of the rotating speed of the low-rotating-speed projectile body; radially install a ground magnetic circuit board at rotational speed measuring device, magnetic resistance sensor fixes the positive intermediate position at ground magnetic circuit board, the body is rotatory a week, the ground magnetic signal that the sensitive axle of magnetic resistance sensor sensed will change a week also, ground magnetic signal passes through the enlargies and the filtering of ground magnetic circuit board, transmit signal acquisition and processing unit via the wire, signal acquisition and processing unit are solved the ground magnetic signal who gathers, calculate the body rotational speed, therefore, the device can be better the low rotational speed of solution body rotational speed measuring problem, and low cost, moreover, the steam generator is simple in structure. The utility model discloses simple structure, low cost adopt limited method to measure the projectile body rotational speed and do not influence the installation of intelligent ammunition guidance control part, and the device adopts low-cost magnetic resistance sensor to measure the projectile body rotational speed of low rotational speed, is a better balanced cost and measurement accuracy's method, fine solution low rotational speed projectile body rotational speed measuring problem.
Drawings
Fig. 1 is a schematic view of a low-speed projectile body speed measuring device of the present invention;
fig. 2 is a waveform diagram of geomagnetic signals in a test process of the low-rotation speed projectile body rotation speed measuring device of the present invention;
fig. 3 shows the projectile rotation speed calculated in the test of the low rotation speed projectile rotation speed measuring device of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. As shown in fig. 1-3: the utility model provides a low rotational speed projectile body rotational speed measuring device, includes hood 1, earth magnetism circuit board gland 2, set screw 3, earth magnetism circuit board 4, front end housing 5, center pin 6, signal processing module 7 and pressure spiral shell 8, 6 front ends of center pin are equipped with front end housing 5, 5 top tip of front end housing are equipped with earth magnetism circuit board 4, 4 the place ahead of earth magnetism circuit board are equipped with earth magnetism circuit board gland 2, earth magnetism circuit board gland 2 pass through set screw 3 with 5 top fixed connection of front end housing, the front end of front end housing 5 is equipped with hood 1 soon, the inside tail end of center pin is equipped with signal processing module 7, 6 tail ends of center pin are equipped with pressure spiral shell 8 soon.
Signal processing module 7 comprises battery module, power module, signal acquisition module and processing module, the power supply line of earth magnetism circuit board 4 is connected with the power module electricity in the signal processing module 7, earth magnetism signal conductor on the earth magnetism circuit board 4 is connected with the signal acquisition module electricity in the signal processing module 7, acquisition module is connected with the processing module electricity.
The utility model discloses during the use, place earth magnetism circuit board 4 on front end housing 5 earlier, reuse earth magnetism circuit board gland 2 pushes down earth magnetism circuit board 4, fix earth magnetism circuit board gland 2 and earth magnetism circuit board 4 on front end housing 5 through set screw 3 afterwards, front end housing 5 is connected with center pin 6 through the screw thread, the last half that signal transmission wire on the earth magnetism circuit board got into the center pin through front end housing 5 and the centre pin 6's centre bore, put signal processing module 7 into the last half of center pin 6, be connected earth magnetism signal wire on earth magnetism circuit board 4 with the signal acquisition and processing module in the signal processing module 7, be connected the power supply line of earth magnetism circuit board 4 with the power module in the signal processing module 7 simultaneously, will press spiral shell 8 screw in 6 afterbody of center pin; in debugging and the experimentation, rotational speed measuring device passes through the external screw thread screw in low-speed revolving stage frock interface or the bullet head interface on the center pin 6, the activation battery, the battery is with the power module in the voltage supply signal processing module 7, power module handles battery voltage for suitable operating voltage and provides voltage for signal acquisition module and processing module and earth magnetism circuit board 4 in the signal processing module 7, entire system begins work, at this moment, start low-speed revolving stage or bullet transmission, the last magnetic resistance sensor of earth magnetism circuit board 4 transmits the earth magnetism signal that feels sensitively to signal acquisition and the processing module in the signal processing module 7 through the wire of drawing forth on the earth magnetism circuit board 4 and solves and generate rotational speed data.
Claims (2)
1. The utility model provides a low rotational speed projectile body rotational speed measuring device which characterized in that: including hood, earth magnetism circuit board gland, set screw, earth magnetism circuit board, front end housing, center pin, signal processing module and pressure spiral shell, the center pin front end is equipped with the front end housing, front end housing top end is equipped with earth magnetism circuit board, earth magnetism circuit board the place ahead is equipped with earth magnetism circuit board gland, earth magnetism circuit board gland pass through set screw with front end housing top fixed connection, the hood is equipped with soon to the front end of front end housing, the inside tail end of center pin is equipped with signal processing module, the spiral shell is pressed to center pin tail end spiral shell of being equipped with soon.
2. A low-speed projectile rotation speed measuring device as defined in claim 1, wherein: the signal processing module comprises battery module, power module, signal acquisition module and processing module, the power supply line of earth magnetism circuit board is connected with the power module electricity in the signal processing module, earth magnetism signal conductor on the earth magnetism circuit board is connected with the signal acquisition module electricity in the signal processing module, acquisition module is connected with the processing module electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921844867.XU CN210834947U (en) | 2019-10-30 | 2019-10-30 | Low-rotation-speed projectile body rotation speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921844867.XU CN210834947U (en) | 2019-10-30 | 2019-10-30 | Low-rotation-speed projectile body rotation speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210834947U true CN210834947U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921844867.XU Expired - Fee Related CN210834947U (en) | 2019-10-30 | 2019-10-30 | Low-rotation-speed projectile body rotation speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210834947U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050695A (en) * | 2020-09-02 | 2020-12-08 | 北京信息科技大学 | Trajectory measuring device |
| CN112857466A (en) * | 2021-03-04 | 2021-05-28 | 渤海大学 | Missile-borne sensor |
| CN113252932A (en) * | 2021-05-18 | 2021-08-13 | 北京信息科技大学 | Device for determining relative speed |
-
2019
- 2019-10-30 CN CN201921844867.XU patent/CN210834947U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050695A (en) * | 2020-09-02 | 2020-12-08 | 北京信息科技大学 | Trajectory measuring device |
| CN112857466A (en) * | 2021-03-04 | 2021-05-28 | 渤海大学 | Missile-borne sensor |
| CN113252932A (en) * | 2021-05-18 | 2021-08-13 | 北京信息科技大学 | Device for determining relative speed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20201030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |