CN-121618268-B - Elastic floating tolerance compensation method and connector for inter-module interconnection

CN121618268BCN 121618268 BCN121618268 BCN 121618268BCN-121618268-B

Abstract

The invention relates to the technical field of module interconnection, in particular to an elastic floating tolerance compensation method and a connector for module interconnection, wherein the compensation method comprises the steps of determining an accumulated deviation abnormal state of a module interconnection interface based on accumulated deviation vectors of all elastic floating connectors in the interconnection process; the method comprises the steps of determining a key compensation target connector according to a comprehensive deviation vector of a single elastic floating connector, adjusting a preset state or an interconnection sequence based on the distribution state of the key compensation target connector, adjusting a global interconnection strategy according to the deviation vector characteristic of the key compensation target connector, or adjusting the interconnection pressure of an interconnection partition based on the gradient and the distribution uniformity of a stress concentration coefficient of a stress distribution diagram so as to finish the butt joint of all the elastic floating connectors. The elastic floating connector comprises a first outer conductor, a second outer conductor, an axial spring, a spacer and a shrapnel. The invention improves the assembly reliability of a large-scale interconnection scene.

Inventors

ZHOU CHIWEI
WANG YANJUN
ZHANG HENG
WANG XIANPENG
MA YUNYONG
WAN QIAO
WU XINYU

Assignees

嘉兴翼波电子有限公司

Dates

Publication Date: 20260508
Application Date: 20260203

Claims (9)

1. A method for resilient floating tolerance compensation for inter-module interconnects, comprising: Inter-module interconnection using a number of resilient floating connectors; Determining an accumulated deviation abnormal state of a module interconnection interface based on an accumulated deviation vector of axial deviation vectors and radial deviation vectors of all elastic floating connectors in the interconnection process; Determining at least one key compensation target connector based on a comprehensive deviation vector of a single elastic floating connector in an interface pose deviation distribution diagram of the elastic floating connectors corresponding to the accumulated deviation abnormal state, wherein the key compensation target connector is an elastic floating connector with a contribution degree to the module length of the accumulated deviation vector exceeding a preset contribution degree; based on the distribution state of the key compensation target connector, adjusting the preset state or interconnection sequence of the elastic structure of the key compensation target connector; according to the deviation vector characteristics of the key compensation target connector, adjusting a global interconnection strategy or acquiring a stress distribution diagram of the module interconnection interface; adjusting the interconnection pressure of the interconnection partition based on the gradient and the distribution uniformity of the stress concentration coefficient of the stress distribution diagram; and continuing to execute the interconnection process according to the adjusted interconnection pressure to finish the butting of all the elastic floating connectors.
2. The method of compensating for elastic floating tolerance for inter-module interconnects of claim 1 wherein determining the cumulative bias vector based on the axial bias vector and the radial bias vector of all elastic floating connectors during the interconnect process comprises: Combining the axial offset vector and the radial offset vector of each elastic floating connector to obtain comprehensive offset vectors of a plurality of elastic floating connectors; and (3) performing space vector superposition on the comprehensive deviation vectors of all the elastic floating connectors to obtain an accumulated deviation vector.
3. The elastic floating tolerance compensation method for inter-module interconnects of claim 2, wherein determining a cumulative bias abnormal state based on the cumulative bias vector comprises: Comparing the module length of the accumulated deviation vector with a preset module length; and determining the module interconnection interface state of which the module length is larger than the preset module length as an accumulated deviation abnormal state.
4. A method of compensating for elastic floating tolerance for an inter-module interconnect according to claim 3 wherein determining at least one critical compensation target connector based on the integrated bias vector of the individual elastic floating connectors comprises: calculating the contribution degree of the integrated deviation vector of the single elastic floating connector to the module length of the accumulated deviation vector; Comparing the contribution degree with a preset contribution degree; And determining the elastic floating connector with the contribution degree larger than the preset contribution degree as a key compensation target connector.
5. The method of claim 4, wherein adjusting the preset state of the spring structure of the spring floating connector based on the spatial distribution of the critical compensation target connectors comprises: determining distribution states of a plurality of key compensation target connectors at the module interconnection interface; and based on the judging result that a plurality of key compensation target connectors are in aggregation distribution in the module interconnection interface, preferentially adjusting the preset state of the elastic structure of the elastic floating connector positioned in the geometric center of the aggregation area.
6. The method of claim 5, wherein adjusting the order of interconnection of the spring floating connectors based on the spatial distribution of the critical compensation target connectors comprises: determining distribution states of a plurality of key compensation target connectors at the module interconnection interface; and determining an interconnection sequence according to the contribution degree reduction of the plurality of elastic floating connectors based on the judgment result that the plurality of key compensation target connectors are distributed in a scattered manner in the module interconnection interface, and preferentially guiding the elastic floating connector with the largest contribution degree to complete interconnection.
7. The method of claim 6, wherein adjusting the global interconnect policy based on the bias vector characteristics of the critical compensation target connector comprises: respectively comparing the direction consistency of the comprehensive deviation vectors of the key compensation target connectors with preset consistency; determining a global interconnection strategy adopting integral translation based on the judgment result that the direction consistency is smaller than or equal to a first preset consistency; Determining a global interconnection strategy adopting partition rotation based on a judging result that the direction consistency is larger than the first preset consistency and smaller than or equal to the second preset consistency; and determining a stress distribution diagram of the interconnection interface of the acquisition module based on the judgment result that the direction consistency is greater than the second preset consistency.
8. The method of claim 7, wherein the directional consistency is a standard deviation of cosine values of angles of vector directions of the individual critical compensation target connectors with an average deviation vector direction of all critical compensation target connectors.
9. The method of claim 8, wherein adjusting the interconnect pressure of the interconnect partition based on the gradient and distribution uniformity of the stress concentration coefficients comprises: dividing the module interconnection interface into a plurality of interconnection partitions; Determining stress concentration coefficients of individual ones of the interconnect partitions, and determining gradients of the stress concentration coefficients within the module interconnect interfaces; if there is an interconnection partition where the stress concentration coefficient is larger than a preset stress concentration coefficient and the included angle deviation between the gradient direction and the direction of the accumulated deviation vector is smaller than a preset included angle, determining to reduce the interconnection pressure of the interconnection partition; And the adjustment amount of the interconnection pressure and the included angle deviation are in positive correlation with the included angle difference value of the preset included angle.

Description

Elastic floating tolerance compensation method and connector for inter-module interconnection Technical Field The present invention relates to the field of connectors, and in particular, to a method for compensating elastic floating tolerance for interconnection between modules and a connector. Background In high-frequency signal transmission scenes such as aerospace, satellite communication, phased array radar and the like, high-density interconnection requirements of modules and boards are increasingly outstanding, and an SMP connector becomes a mainstream choice in the field by virtue of miniature design, DC-40GHz broadband transmission capability, quick plugging and unplugging characteristics and high shock resistance, and is widely suitable for high-density blind plugging and miniaturized equipment assembly requirements. However, the traditional SMP connector has significant technical limitations, the axial tolerance is only 1.17mm, the radial tolerance is +/-0.25 mm, and when multiple channels are installed simultaneously, tiny machining errors of the coaxiality of the PCB holes and the parallelism of modules can be accumulated and amplified, so that the male and female connectors cannot be matched normally to interrupt radio frequency signal transmission, the traditional SMP connector is fixed by relying on screw rigidity, the disassembly and assembly efficiency is low, the damage to the PCB is easy to occur, the abrasion of the inner conductor and the outer conductor after repeated insertion and extraction is serious, and the electrical performance stability is influenced. In addition, the interface form of the conventional SMP connector is difficult to be compatible in terms of retention, disassembly convenience and service life, and further limits the application of the conventional SMP connector in a multi-channel, large-tolerance and high-reliability interconnection scenario, so that there is a need for an inter-module interconnection tolerance compensation scheme and a corresponding connector capable of expanding the tolerance range, realizing elastic adaptation and compatible sealing performance and detachability. The Chinese patent application publication No. CN120914533A discloses a plane interconnection connector and an integrated component, which belong to the field of adapters, wherein the connector comprises a first plug-in component, the first plug-in component is arranged on a first shell, a second shell is arranged on the other side of the first shell, a second plug-in component is arranged on the other end of the second shell, the inner sides of the first shell and the second shell are provided with the plug-in component, an elastic piece is sleeved outside the second shell and is abutted with the first shell and the second plug-in component, and when the plug-in is carried out, the second shell stretches into the inner side of the first shell, and meanwhile, the plug-in component is stressed and compressed, so that the first plug-in component and the second plug-in component move oppositely along the same axis direction. The second casing shrink gets into the inboard of first casing, and the changeover component atress compresses simultaneously, forms the compression distance that floats through two grafting structures, guarantees 1 mm's compression stroke in axial direction, is guaranteeing under the circumstances of grafting isolation, realizes big axial distance compression stroke. There is also a problem in the art that in high density, multi-channel board-to-board or module-to-module interconnections of modular electronic devices, conventional individual floating connectors, such as SMP connectors, have certain individual axial and radial tolerance capabilities, but when multiple connectors are installed in parallel, individual mounting variances of the connectors, manufacturing tolerances of the modules, thermal deformations and assembly stresses can create cumulative effects that are difficult to predict and coordinate. Such cumulative axial and radial misalignment often exceeds the individual compensation limits of the individual connector floating structures, resulting in excessive mechanical stress on portions of the connectors, jamming or poor contact, and in severe cases even connector damage or failure of the entire interconnect interface. The prior art lacks a real-time monitoring and cooperative regulation mechanism for the overall pose state of a multi-connector system, can not dynamically identify the system level deviation and the accurate positioning problem sources in the assembly process, and implements the cooperative compensation of global optimization, so that the reliability of a complex and high-precision large-scale interconnection scene is low. Disclosure of Invention Therefore, the invention provides an elastic floating tolerance compensation method and a connector for inter-module interconnection, which are used for solving the problems that the prior a