CN204228167U - Flip chip type fiber gyro north seeker - Google Patents
Flip chip type fiber gyro north seeker Download PDFInfo
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- CN204228167U CN204228167U CN201420704829.5U CN201420704829U CN204228167U CN 204228167 U CN204228167 U CN 204228167U CN 201420704829 U CN201420704829 U CN 201420704829U CN 204228167 U CN204228167 U CN 204228167U
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Abstract
The utility model discloses a kind of flip chip type fiber gyro north seeker, and outer cover bottom is connected with base, and top cover bottom surface and outer cover end face are fixed; Be provided with a turning block between framework upper mounting plate and lower platform, the vertical plane of turning block is provided with fibre optic gyroscope; The center of turning block lower plane is vertically provided with back shaft, and back shaft is supported on step; Turning block lower plane end face is installed with accelerometer circuit board, and turning block lower plane is equipped with Hall element circuit board, lower platform is embedded with magnet steel post; On turning block, plane is fixed with rotating disk, and rotating disk upper support is on top chock; Rotating disk is coaxially connected with torque motor output shaft; Wheel and rack on small machine output shaft often engages, and tooth bar and slide rail are slidably matched; The upper limit screw at tooth bar top is located in the mounting hole on baffle plate, and the lower limit screw bottom tooth bar can block the location lattice framing of rotating disk.The utility model adopts four position Xun Bei, and rely on mechanical system location, accuracy is high, reproducible.
Description
Technical field
The utility model belongs to gyroscope north searching instrument field, specifically, particularly relates to a kind of flip chip type fiber gyro north seeker.
Background technology
The inertial navigation being sensitive element with gyroscope and accelerometer and inertial measuring unit, be a kind of system of complete autonomous type, it does not rely on outside any information, and also the not outside heat of emission and energy, have disguise, round-the-clock use ability.Therefore, inertial navigation becomes present generation aircraft, the important navigation means of one of large ship and nuclear submarine, and inertial guidance then becomes surface to surface tactical missile, the important method of guidance of one of strategic missile, cruise missile and transport rocket.In addition, inertia measurement can also be used for ground force artilleryman, the fields such as Ground Combat Vehicle navigation and the earth mapping.
Gyroscope north searching instrument adopts gyroscope as the measurement component of revolutions angular speed sensitively usually, be mainly used in carrying car initial alignment and direction controlling, field investigation directed, determine the calibration of directive orientation, platform azimuth reference, underground construction direction finding.Gyroscope north searching instrument precision depends primarily on gyrostatic precision.At present, what domestic gyroscope north searching instrument was most widely used is flexible gyroscope.Flexible gyroscope belongs to mechanical gyro, include the motor of High Rotation Speed, bearing, also has critical component flexible support, these mechanical parts seriously constrain gyrostatic life and reliability, so flexible gyroscope north finder starts, stand-by time is long, anti-vibrating and impact ability is weak, is not suitable for long-distance transportation and field portable operation, is difficult to meet the current requirement to aiming at directed scope.
Fiber gyro north seeker can overcome the shortcoming of mechanical gyro, and it has all solid state, compact conformation, startup is fast, dynamic range is large, power supply is simple, anti-vibrating and impact ability is strong and high reliability.But four current position fiber gyro north seekers rely on coil electromagnetism iron to position optical fibre gyro, and positioning precision is not high, poor repeatability, and complex structure; In addition, existing four position fiber gyro north seeker volumes are large, are not suitable for the shortcomings such as field operations tripod upside-down mounting application.
Utility model content
Technical problem to be solved in the utility model is to provide the flip chip type fiber gyro north seeker that a kind of positioning precision is high, be applicable to tripod upside-down mounting application.
The technical solution of the utility model is as follows: a kind of flip chip type fiber gyro north seeker, it is characterized in that: comprise cover member (W), cap assembly (D) and intraware (N), outer cover (1) wherein in cover member (W) is hollow four-prism structure, the bottom of this outer cover is connected with base (2) screw, this base has up big and down small heavy stand hole (2a); Top cover (3) end face in described cap assembly (D) is installed with a hook (4), and top cover (3) bottom surface and described outer cover (1) end face are fixed;
Described intraware (N) is located in outer cover (1), and comprise framework (5) and small machine (16), a turning block (6) is vertically provided with between the upper mounting plate (5a) of its middle frame (5) and lower platform (5b), this turning block xsect is " work " font, and the vertical plane of turning block (6) is provided with fibre optic gyroscope (7); The center of described turning block (6) lower plane is vertically provided with back shaft (8), this back shaft is by bearings on step (9), and step is fixed in the mounting hole on described lower platform (5b); The end face of described turning block (6) lower plane is installed with accelerometer circuit board (10), the bottom surface of this turning block lower plane is provided with Hall element circuit board (11), and described lower platform (5b) is embedded with the magnet steel post (12) matched with this Hall element circuit board; The center of the upper plane of described turning block (6) is vertically fixed with a rotating disk (13), this rotating disk bottom has four circumferentially uniform location lattice framings (13a), and rotating disk (13) top by bearings on top chock (14), and top chock is arranged in the mounting hole of described upper mounting plate (5a); Described rotating disk (13) upper end is coaxially connected with the lower end of torque motor (15) output shaft, and this torque motor is arranged on described upper mounting plate (5a) end face;
Described small machine (16) is arranged on upper mounting plate (5a) end face by support (17), this small machine output shaft is coaxially connected with a gear (18), this wheel and rack (19) often engages, and the slide rail (20) on tooth bar and upper mounting plate (5a) end face is slidably matched; Described tooth bar (19) top vertical is provided with a upper limit screw (21), and this upper limit screw is located in the mounting hole on baffle plate (22), and baffle plate is arranged on described slide rail (20) end face; Described tooth bar (19) bottom is vertically provided with a lower limit screw (23), and when tooth bar (19) moves down, this lower limit screw can block described location lattice framing (13a).
In said structure, the utility model cooperatively interacts by Hall element circuit board (11) and magnet steel post (12) angular signal gathering turning block (6), and utilizes this angular signal to control the duty of small machine (16).When turning block (6) rotate in place, small machine (16) is moved down by gear (18) band carry-over bar (19), the lower limit screw (23) of this tooth bar lower end blocks the location lattice framing (13a) of rotating disk (13), thus rotating disk (13) is accurately located, positioning precision is high, reproducible.Meanwhile, adopt from outer to inner, top-down decision design thought, compact conformation of the present utility model, compact, lightweight, be particularly suitable for tripod upside-down mounting application.
As optimal design, top cover (3) end face of described cap assembly (D) is provided with two plug connector sockets (24), this top cover lower horizontal is provided with one piece of resolving circuit plate (25), and this resolving circuit plate is fixed by the first insulated column (26) and top cover (3).
In said structure, two plug connector sockets (24) are for socket power line and data line.In addition, the effect of resolving circuit plate (25) is as follows: 1, receive and resolve the data that Hall element circuit board (11) returns; 2, the Data Control small machine (16) returned according to Hall element circuit board (11) and the duty of torque motor (15); 3, receive and resolve fibre optic gyroscope (7), data that accelerometer circuit board (10) returns.
In the present case, three pieces of DC power panels (27) are provided with in described outer cover (1), these three pieces of DC power panels respectively level are located on three surfaces of outer cover (1), and the two ends of every block DC power panel (27) are fixed respectively by the respective surfaces of two second insulated columns (28) with outer cover (1).
As preferably, described gear (18) is coaxially fixed with a coupling shaft (29) away from one end of small machine (16), this coupling shaft is by bearings on bearing seat (30), and bearing seat is installed on the end face of described upper mounting plate (5a).
Beneficial effect: the utility model adopts four position Xun Bei, rely on mechanical system location, accuracy is high, reproducible; In addition, this north finder reasonable in design, compact overall structure, volume is little, lightweight, inverted design, can be applicable to tripod and install, can support the use with optical aiming device, is applicable to field portable detecting and uses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the cut-open view of Fig. 1;
Fig. 4 is the structural representation of intraware;
Fig. 5 is the cut-open view of Fig. 4;
Fig. 6 is that the A of Fig. 5 is to partial enlarged view;
Fig. 7 is that the B-B of Fig. 6 is to cut-open view;
Fig. 8 is that the C-C of Fig. 6 is to cut-open view;
Fig. 9 is the schematic diagram of cover member in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1 to 9, this flip chip type fiber gyro north seeker is made up of cover member W, cap assembly D, intraware N and base 2.Wherein, base 2 is slab construction, this base 2 has three heavy stand hole 2a, and these heavy stand holes 2a is up big and down small structure, and base 2 is by being located in screw upside-down mounting in these three heavy stand hole 2a on tripod.
Described cover member comprises outer cover 1, DC power panel 27 and the second insulated column 28 and forms, and wherein outer cover 1 is hollow four-prism structure.Upper end in outer cover 1 is provided with three pieces of DC power panels 27 for AC-DC conversion, these three pieces of DC power panels 27 respectively level are located on three surfaces of outer cover 1, and the two ends of every block DC power panel 27 are fixed with the respective surfaces of outer cover 1 respectively by two second insulated columns 28.Meanwhile, the bottom of outer cover 1 is fixedly connected with by screw with base 2 end face.
As shown in Figures 1 to 6, described cap assembly D is made up of top cover 3, hook 4, plug connector socket 24, resolving circuit plate 25 and the first insulated column 26.Wherein, the end face of top cover 3 is provided with two plug connector sockets 24, and these two plug connector sockets 24 are for socket power line, and one for grafting signal wire.Meanwhile, the center of top cover 3 end face is provided with a hook 4, this hook 4 for hanging vertical, to carry out centering and centered.Be provided with one block of resolving circuit plate 25 in the lower horizontal of top cover 3, this resolving circuit plate 25 is fixed by the first insulated column 26 and top cover 3.Further, the function of resolving circuit plate 25 is as follows: 1, receive and resolve the data that Hall element circuit board 11 returns; 2, according to the Data Control small machine 16 of Hall element circuit board 11 passback and the duty of torque motor 15; 3, the data of fibre optic gyroscope 7, accelerometer circuit board 10 passback are received and resolve.In addition, resolving circuit plate 25 adopts conventional design, and design effort does not need to pay creative work.To achieve these goals, fibre optic gyroscope 7, accelerometer circuit board 10, Hall element circuit board 11, torque motor 15 and small machine 16 need to be electrically connected with resolving circuit plate 25, signal is connected.Meanwhile, described top cover 3 is fixedly connected with outer cover 1 end face by screw, and resolving circuit plate 25 contacts respectively with DC power panel 27.
As shown in Fig. 1 to 8, described intraware N is located in outer cover 1, and forms primarily of framework 5, turning block 6, fibre optic gyroscope 7, back shaft 8, step 9, accelerometer circuit board 10, Hall element circuit board 11, magnet steel post 12, rotating disk 13, top chock 14, torque motor 15, small machine 16, support 17, gear 18, tooth bar 19, slide rail 20, upper limit screw 21, baffle plate 22 and lower limit screw 23.Wherein, framework 5 has upper mounting plate 5a and lower platform 5b, and these two platforms are connected by four root posts.Between upper mounting plate 5a and lower platform 5b, be vertically provided with a turning block 6, the xsect of this turning block 6 is " work " font, and the vertical plane of turning block 6 is provided with fibre optic gyroscope 7.
The center of described turning block 6 lower plane is vertically provided with back shaft 8, and this back shaft 8 is by bearings on step 9, and step 9 is fixed in the mounting hole on lower platform 5b.The end face of described turning block 6 lower plane is installed with accelerometer circuit board 10, and the bottom surface of this turning block 6 lower plane is provided with Hall element circuit board 11, and described lower platform 5b is embedded with 24 magnet steel posts 12 matched with this Hall element circuit board 11.During use, Hall element circuit board 11 matches with magnet steel post 12, for detecting the angle of rotation of turning block 6.In addition, Hall element circuit board 11 and accelerometer circuit board 10 all adopt conventional design, and arranging these two kinds of circuit boards does not need to pay creative work.
On described turning block 6, the center of plane is vertically fixed with a rotating disk 13, and the bottom of this rotating disk 13 has four circumferentially uniform location lattice framing 13a.The top of rotating disk 13 is by bearings on top chock 14, and this top chock 14 is arranged in the mounting hole of upper mounting plate 5a.Meanwhile, the upper end of described rotating disk 13 is coaxially connected with the lower end of torque motor 15 output shaft, and this torque motor 15 is arranged on the end face of upper mounting plate 5a, so just drives rotating disk 13 to rotate by torque motor 15.
As shown in Fig. 1 to 8, described small machine 16 is arranged on upper mounting plate 5a end face by support 17, and the output shaft of this small machine 16 is coaxially connected with a gear 18, and this wheel and rack 19 often engages, and the slide rail 20 on tooth bar and upper mounting plate 5a end face is slidably matched.Described gear 18 is coaxially fixed with a coupling shaft 29 away from one end of small machine 16, and this coupling shaft is by bearings on bearing seat 30, and bearing seat is installed on the end face of described upper mounting plate 5a.The top vertical of described tooth bar 19 is provided with a upper limit screw 21, and this upper limit screw 21 is located in the mounting hole on baffle plate 22, and baffle plate 22 is arranged on described slide rail 20 end face.The bottom of described tooth bar 19 is vertically provided with a lower limit screw 23, and when tooth bar 19 moves down, this lower limit screw 23 can block described location lattice framing 13a, thus accurately locates rotating disk 13.
When the utility model uses, need to turn upside down according to schematic diagram shown in the drawings, and base 2 is fixed on the platform of tripod, thus the utility model is lifted on tripod.
The foregoing is only preferred embodiment of the present utility model; it is not restriction with the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a flip chip type fiber gyro north seeker, it is characterized in that: comprise cover member (W), cap assembly (D) and intraware (N), outer cover (1) wherein in cover member (W) is hollow four-prism structure, the bottom of this outer cover is connected with base (2) screw, this base has up big and down small heavy stand hole (2a); Top cover (3) end face in described cap assembly (D) is installed with a hook (4), and top cover (3) bottom surface and described outer cover (1) end face are fixed;
Described intraware (N) is located in outer cover (1), and comprise framework (5) and small machine (16), a turning block (6) is vertically provided with between the upper mounting plate (5a) of its middle frame (5) and lower platform (5b), this turning block xsect is " work " font, and the vertical plane of turning block (6) is provided with fibre optic gyroscope (7); The center of described turning block (6) lower plane is vertically provided with back shaft (8), this back shaft is by bearings on step (9), and step is fixed in the mounting hole on described lower platform (5b); The end face of described turning block (6) lower plane is installed with accelerometer circuit board (10), the bottom surface of this turning block lower plane is provided with Hall element circuit board (11), and described lower platform (5b) is embedded with the magnet steel post (12) matched with this Hall element circuit board; The center of the upper plane of described turning block (6) is vertically fixed with a rotating disk (13), this rotating disk bottom has four circumferentially uniform location lattice framings (13a), and rotating disk (13) top by bearings on top chock (14), and top chock is arranged in the mounting hole of described upper mounting plate (5a); Described rotating disk (13) upper end is coaxially connected with the lower end of torque motor (15) output shaft, and this torque motor is arranged on described upper mounting plate (5a) end face;
Described small machine (16) is arranged on upper mounting plate (5a) end face by support (17), this small machine output shaft is coaxially connected with a gear (18), this wheel and rack (19) often engages, and the slide rail (20) on tooth bar and upper mounting plate (5a) end face is slidably matched; Described tooth bar (19) top vertical is provided with a upper limit screw (21), and this upper limit screw is located in the mounting hole on baffle plate (22), and baffle plate is arranged on described slide rail (20) end face; Described tooth bar (19) bottom is vertically provided with a lower limit screw (23), and when tooth bar (19) moves down, this lower limit screw can block described location lattice framing (13a).
2. flip chip type fiber gyro north seeker according to claim 1, it is characterized in that: top cover (3) end face of described cap assembly (D) is provided with two plug connector sockets (24), this top cover lower horizontal is provided with one piece of resolving circuit plate (25), and this resolving circuit plate is fixed by the first insulated column (26) and top cover (3).
3. flip chip type fiber gyro north seeker according to claim 2, it is characterized in that: in described outer cover (1), be provided with three pieces of DC power panels (27), these three pieces of DC power panels respectively level are located on three surfaces of outer cover (1), and the two ends of every block DC power panel (27) are fixed respectively by the respective surfaces of two second insulated columns (28) with outer cover (1).
4. according to the arbitrary described flip chip type fiber gyro north seeker of claims 1 to 3, it is characterized in that: described gear (18) is coaxially fixed with a coupling shaft (29) away from one end of small machine (16), this coupling shaft is by bearings on bearing seat (30), and bearing seat is installed on the end face of described upper mounting plate (5a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420704829.5U CN204228167U (en) | 2014-11-17 | 2014-11-17 | Flip chip type fiber gyro north seeker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420704829.5U CN204228167U (en) | 2014-11-17 | 2014-11-17 | Flip chip type fiber gyro north seeker |
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| Publication Number | Publication Date |
|---|---|
| CN204228167U true CN204228167U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420704829.5U Active CN204228167U (en) | 2014-11-17 | 2014-11-17 | Flip chip type fiber gyro north seeker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949669A (en) * | 2015-06-24 | 2015-09-30 | 北京理工大学 | Method for expanding range of fiber optic gyroscope based on magnetoresistive sensor |
| CN109211214A (en) * | 2018-09-18 | 2019-01-15 | 西安北斗测控技术有限公司 | A kind of portable coal mine north finder |
| CN112146643A (en) * | 2020-09-25 | 2020-12-29 | 重庆天箭惯性科技股份有限公司 | North finder of fiber optic gyroscope |
-
2014
- 2014-11-17 CN CN201420704829.5U patent/CN204228167U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949669A (en) * | 2015-06-24 | 2015-09-30 | 北京理工大学 | Method for expanding range of fiber optic gyroscope based on magnetoresistive sensor |
| CN109211214A (en) * | 2018-09-18 | 2019-01-15 | 西安北斗测控技术有限公司 | A kind of portable coal mine north finder |
| CN112146643A (en) * | 2020-09-25 | 2020-12-29 | 重庆天箭惯性科技股份有限公司 | North finder of fiber optic gyroscope |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 401120 No. 18 Xin Xin Road, Chongqing, Yubei District Patentee after: Chongqing arrow inertial Polytron Technologies Inc Address before: 401120 No. 18, Xin Xin Road, Yubei District Airport Industrial Park, Chongqing, China Patentee before: CHONGQING GOD ARROW INERTIAL TECHNOLOGY CO., LTD. |