Detection tool for hemispherical resonator gyroscope electrode base
By designing a testing fixture for the electrode base of a hemispherical resonant gyroscope, the problem of insufficient dimensional accuracy at the connection between the electrode base and the resonator was solved, enabling high-precision measurement and testing, and improving the performance and accuracy of the gyroscope.
Patent Information
- Application Number
- CN202520621811.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Existing technologies cannot guarantee the dimensional accuracy of the connection between the electrode base and the resonator of a hemispherical resonator gyroscope, which affects the performance and accuracy of the gyroscope.
A testing fixture for a hemispherical resonant gyroscope electrode base was designed. It has an annular groove, an outer cone, and an inner circle. It is made of a transparent material such as quartz and is used to simultaneously test the outer circle and the inner cone hole of the electrode base. Combined with a retaining part, it can improve the measurement accuracy and efficiency.
The machining quality and measurement accuracy of the electrode base were improved, the measurement intensity was reduced, the detection efficiency was increased, and the performance and accuracy of the gyroscope were ensured.
Smart Images
Figure CN223954809U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the precision machining technical field of hemispherical resonator gyroscopes, particularly to a detection tool for a hemispherical resonator gyroscope electrode base. BACKGROUND
[0002] A hemispherical resonator gyroscope (HRG) is a kind of inertial navigation element based on the Coriolis effect, and is a kind of high-precision solid-state gyroscope. Because it has no high-speed rotor, no bearing and friction-related components, and has the advantages of simple structure, long service life, high reliability and radiation resistance, it is widely used in the fields of aerospace, military and high-precision instruments.
[0003] The HRG mainly consists of a hemispherical resonator, an electrode base and a fixing seat. The hemispherical resonator is the core sensitive component of the gyroscope, which has a high quality factor Q value and a stable natural vibration frequency. The electrode base is a key component of the hemispherical resonator gyroscope. The connection quality between the electrode base and the hemispherical resonator affects the performance, precision and service life of the HRG. The size precision of the connection part between the electrode base and the resonator is particularly high, and the existing processing means cannot guarantee the processing quality. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of detection tool for the electrode base of hemispherical resonator gyroscope and the processing method of electrode base to solve the technical problem mentioned in background art.
[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0006] The utility model provides a kind of detection tool for the electrode base of hemispherical resonator gyroscope, one side of the detection tool is provided with annular groove, the middle part of annular groove is formed with outer taper part, the inner side outer circle of annular groove is formed with inner circle part, the outer taper part is matched with the inner taper hole on the electrode base outside, and the inner circle part is matched with the outer circle part on the electrode base outside.
[0007] Further, the detection tool further includes a holding portion formed on the back side of the annular groove.
[0008] Further, the taper of the outer taper part is smaller than the taper of the inner taper hole, and the side of the outer taper part away from the holding portion is in line contact with the side of the inner taper hole away from the holding portion.
[0009] Further, the detection tool is made of transparent material.
[0010] Further, the material of the detection tool is quartz.
[0011] Further, the outer circle of the detection tool is in cylindrical shape or in arc shape.
[0012] The utility model has the advantages that:
[0013] The utility model discloses a kind of detection tool of hemispherical resonator gyroscope electrode pedestal, utilize detection tool can simultaneously detect the outer circle part on electrode pedestal and inner taper hole, relatively use vernier caliper or three coordinate detector to measure electrode pedestal, the measurement precision and measurement efficiency of the utility model are higher, to improve the machining quality of electrode pedestal also. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structure sectional view of detection tool of the first mode in the embodiment of the utility model;
[0015] Figure 2 It is the structure sectional view of detection tool of the second mode in the embodiment of the utility model;
[0016] Figure 3 It is the structure sectional view of electrode pedestal in the utility model;
[0017] Figure 4 It is the assembly schematic view of detection tool and electrode pedestal of the first mode in the embodiment of the utility model;
[0018] Figure 5 It is the assembly schematic view of detection tool and electrode pedestal of the second mode in the embodiment of the utility model;
[0019] Figure 6 It is the assembly schematic view of hemispherical resonator and electrode pedestal in the embodiment of the utility model.
[0020] REFERENCE SIGNS:
[0021] 1, detection tool;11, annular groove;12, outer taper part;13, inner circle part;14, holding part;
[0022] 2, electrode pedestal;21, inner taper hole;22, outer circle part;
[0023] 3, hemispherical resonator. DETAILED DESCRIPTION
[0024] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to relevant drawings. Preferred embodiments of the utility model are shown in the drawings. However, the utility model can be realized by many other different forms, and is not limited to the embodiments described in this paper. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive.
[0025] It is to be noted that when an element is referred to as being "fixed" or "set" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.
[0026] It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like, indicate directions or positions based on the directions or positions shown in the drawings, and are used for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be construed as limiting the present application.
[0027] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and cannot be construed as indicating or implying relative importance or implying a specific number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0029] It is also to be noted that the same reference signs are used to represent the same components or the same parts in the embodiments of the present application. For the same parts in the embodiments of the present application, only one part or component may be labeled with a reference sign in the drawings, and it is to be understood that the reference sign is also applicable to other identical parts or components.
[0030] Referring to Figures 1 to 5 , the present application provides a detection tool for a hemispherical resonator gyroscope electrode base. One side of the detection tool 1 is provided with an annular groove 11, the middle part of the annular groove 11 is formed with an outer taper part 12, the inner side of the outer circle of the annular groove 11 is formed with an inner circle part 13, the outer taper part 12 is matched with the inner taper hole 21 on the outer electrode base 2, and the inner circle part 13 is matched with the outer circle part 22 on the outer electrode base 2. The structural section view of the electrode base 2 is shown in Figure 3 .
[0031] The utility model discloses a kind of detection tool of hemispherical resonance gyroscope electrode pedestal, utilize detection tool can simultaneously detect the outer circle part 22 on electrode pedestal 2 and inner taper hole 21, relative to using vernier caliper or three coordinate detector to measure electrode pedestal 2, the utility model measurement precision and measurement efficiency are higher.
[0032] In some embodiments, the detection tool further includes a holding portion 14 formed on the back side of the annular groove 11 to facilitate the detection personnel to operate the detection tool 1 through the holding portion 14, and also to facilitate the fixation of the detection tool 1 on the processing equipment through the holding portion 14.
[0033] In some embodiments, the taper of the outer taper portion 12 is smaller than the taper of the inner taper hole 21, and the side of the outer taper portion 12 away from the holding portion 14 is in line contact with the side of the inner taper hole 21 away from the holding portion 14.
[0034] In some embodiments, the detection tool 1 is made of transparent material, which can facilitate the detection personnel to intuitively check the installation and docking condition of the detection tool 1 and the electrode pedestal 2.
[0035] In some embodiments, the material of the detection tool 1 is quartz, which is consistent with the material of the electrode pedestal 2 and the hemispherical resonator 3, and can better reflect the actual assembly condition of the HRG during assembly. In addition, it is not limited to quartz, but can also be made of transparent acrylic material or other transparent materials.
[0036] In some embodiments, referring to Figures 1 to 5 , the detection tool 1 has two forms, which are the first form and the second form, wherein the first form of the detection tool 1 is as shown in Figure 1 , the outer circle of the first form of the detection tool 1 is in a cylindrical shape, and the assembly schematic diagram of the first form of the detection tool 1 and the electrode pedestal 2 is as shown in Figure 4 ; the second form of the detection tool 1 is as shown in Figure 2 , the outer circle of the second form of the detection tool 1 is in an arc shape, and the assembly schematic diagram of the second form of the detection tool 1 and the electrode pedestal 2 is as shown in Figure 5 ; the second form of the detection tool 1 is similar in shape to the hemispherical resonator 3 on the hemispherical resonator HRG, that is, the central rod part on the hemispherical resonator 3 can be cut off to obtain the second form of the detection tool 1, in addition, the defective hemispherical resonator 3 can also be reworked to obtain the second form of the detection tool 1, which improves the utilization rate of the defective hemispherical resonator 3, and further reduces the processing cost of the detection tool 1. The assembly schematic diagram of the hemispherical resonator 3 and the electrode pedestal 6 is as shown in Figure 6 .
[0037] The use method of the detection tool 1 will be described by means of the machining method of the electrode base 2, which specifically comprises the following steps:
[0038] S1, the detection tool 1 is manufactured by using molten quartz, and the outer taper diameter of the outer taper part 12 on the detection tool 1 and the distance between the outer taper part 12 and the end face on the same side of the inner circular part 13 are ensured;
[0039] S2, the detection tool 1 is installed on the machining equipment, the inner taper surface machining coordinate system of the inner taper hole 21 on the electrode base 2 is established by using a contact probe according to the pose of the detection tool 1, and then the detection tool 1 is taken out;
[0040] S3, the machining parameters of the electrode base 2 semi-finished product are programmed according to the inner taper surface machining coordinate system, the electrode base 2 semi-finished product is installed on the machining equipment, and the machining is started;
[0041] S4, whether the inner taper surface size of the inner taper hole 21 meets the design requirement is detected online, if yes, the step S5 is entered, otherwise the step S6 is entered;
[0042] S5, the detection tool 1 is assembled with the machined electrode base 2 to obtain an assembled body, and the assembled size of the assembled body is measured by using a measuring tool, compared with directly measuring the electrode base 2 by using the measuring tool, the electrode base 2 is double-monitored by means of the measuring tool and the assembled body in the method, the measured items are less, only one assembled size needs to be measured, the measurement intensity of the measurement personnel is lower, the detection efficiency is higher, it is more accurate, and the assembled size is the distance L between the outer circle right end face of the detection tool 1 and the outer circular part 22 right end face; after the measurement is completed, whether the assembled size meets the design requirement is judged, if yes, the machining is ended, and the qualified electrode base 2 is obtained, otherwise the step S6 is entered; the double detection in the above-mentioned is that two tools are used to detect the workpiece (i.e. the electrode base 2), and the two tools in the utility model are respectively the measuring tool and the assembled body.
[0043] The above-mentioned measuring tool comprises a vernier caliper and / or a three-coordinate detector;
[0044] S6, a unqualified product process is started, whether the defect can be repaired is judged, if yes, a repair process is started, the step S3 is entered, otherwise an end machining is started, and the scrapped electrode base 2 is obtained.
[0045] The above merely describes a specific implementation of the present application, but the scope of protection of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be encompassed within the scope of protection of the present application. Furthermore, the technical solutions of each embodiment of the present application can be combined with each other, but must be based on the fact that a person skilled in the art can implement them, and when the combination of technical solutions appears to be contradictory or unimplementable, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection required by the present application. Therefore, the scope of protection of the present application should be subject to the scope of protection of the claims.
Claims
1. A detection tool for a hemispherical resonator gyroscope electrode base, characterized by, The detection tool (1) is provided with an annular groove (11) on one side, the middle of the annular groove (11) is provided with an outer taper part (12), the inner side of the outer circle of the annular groove (11) is provided with an inner circle part (13), the outer taper part (12) is matched with the inner taper hole (21) on the electrode base (2) outside, and the inner circle part (13) is matched with the outer circle part (22) on the electrode base (2) outside.
2. The detection tool for the hemisphere resonance gyroscope electrode base according to claim 1, wherein, Further comprising a holding part (14) formed on the back side of the annular groove (11).
3. The detection tool for the hemisphere resonance gyroscope electrode base according to claim 2, characterized in that, The taper of the outer taper part (12) is smaller than the taper of the inner taper hole (21), and the side of the outer taper part (12) away from the holding part (14) is in line contact with the side of the inner taper hole (21) away from the holding part (14).
4. The detection tool for the hemisphere resonance gyroscope electrode base according to claim 1, characterized in that, The detection tool (1) is made of transparent material.
5. The detection tool for the hemisphere resonance gyroscope electrode base according to claim 1, wherein, The material of the detection tool (1) is quartz.
6. The detection tool for the hemisphere resonance gyroscope electrode base according to claim 1, characterized in that, The outer circle of the detection tool (1) is in cylindrical shape or in circular arc shape.