Plug-in type frequency converter

Abstract

The card-inserting type frequency converter comprises a frequency converter complete machine frame, and a clock power dividing module, a frequency conversion card-inserting electric control backboard and a time control power supply card-inserting backboard are arranged in the frequency converter complete machine frame. The frequency conversion plug-in card electric control backboard is detachably connected with a plurality of frequency conversion plug-in cards, the time control power supply plug-in card backboard is detachably connected with a power supply plug-in card and a plurality of clock control plug-in cards, and the clock control plug-in cards are in communication connection with the clock power division module. The clock power division module is in communication connection with each frequency conversion plug-in card through a cable, so that a reference clock required by a local oscillator is provided for each frequency conversion plug-in card; each frequency conversion plug-in card is in communication connection with a radio frequency blind plug-in connector, so that the high-frequency signal of each frequency conversion plug-in card is directly output through the corresponding radio frequency blind plug-in connector. The frequency conversion plug-in card adopts a metal cavity sealing design so as to ensure that a high-frequency signal does not cause space crosstalk to cause reduction of channel isolation. An external power supply control interface of the frequency conversion plug-in card adopts a filtering design so as to eliminate crosstalk of signals on a power supply control line.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of radio frequency signal frequency conversion, specifically, relate to a plug-in card type frequency converter. BACKGROUND

[0002] The frequency converter is an important component of the microwave transceiving system, and its function is to convert the signal received or emitted by the antenna into a digital processable intermediate frequency signal. The frequency converter has been a key microwave device in electronic systems such as signal detection, electronic countermeasure and microwave measurement, and has a wide military and civilian value.

[0003] With the continuous expansion of the signal frequency band, the signal processing range of modern radar communication, satellite measurement and control and electronic countermeasure systems requires higher and higher, gradually developing towards multi-frequency band, multi-channel and modular convenient replacement.

[0004] However, due to the influence of many frequency bands working at the same time, it is likely that the interference signal cannot be suppressed, and the inter-channel isolation is poor, thereby affecting the signal quality. In addition, the traditional frequency converter scheme adopts a box body fixed type design, which has the disadvantages of large volume, high cost and difficult replacement and maintenance operation, which does not match the development of the new era signal transceiving system. Therefore, the multi-frequency band multi-channel frequency converter needs to adopt a more convenient, more compact and easier maintenance processing method to better suppress interference and channel crosstalk and more simply realize signal channel configuration operation.

[0005] However, there is no solution to the above technical problems on the market at present. CONTENT OF THE UTILITY MODEL

[0006] In view of the above problems, the utility model provides a plug-in card type frequency converter, which can overcome the above shortcomings of the prior art:

[0007] A plug-in card type frequency converter, comprising a frequency converter whole machine frame, a clock power division module, a frequency conversion plug-in card electric control backboard and a time control power plug-in card backboard are arranged in the frequency converter whole machine frame; the frequency conversion plug-in card electric control backboard is detachably connected with a plurality of frequency conversion plug-in cards, and the time control power plug-in card backboard is detachably connected with a power plug-in card and a plurality of clock control plug-in cards; the clock control plug-in cards are further in communication connection with the clock power division module; the clock power division module is in communication connection with each frequency conversion plug-in card through a cable, so as to provide a reference clock required by each frequency conversion plug-in card; each frequency conversion plug-in card is in communication connection with a radio frequency blind plug connector, so as to realize the direct output of the high-frequency signal of each frequency conversion plug-in card through the corresponding radio frequency blind plug connector.

[0008] Optimally, the frequency conversion plug-in card adopts a metal cavity sealing design, so as to ensure that the high-frequency signal will not cause spatial crosstalk and lead to a decrease in channel isolation.

[0009] Optimally, the external power supply control interface of the frequency conversion plug-in card adopts a filtering design, so as to eliminate the crosstalk of the signal on the power supply control line.

[0010] Preferably, the frequency conversion card electric control backboard is provided with a guide column corresponding to the frequency conversion card, the frequency conversion card is provided with a square plug-in terminal corresponding to the guide column, and the frequency conversion card and the frequency conversion card electric control backboard are detachably connected through the corresponding guide column and square plug-in terminal, so that the frequency conversion card is correctly and smoothly inserted into the frequency conversion card electric control backboard.

[0011] Preferably, the time control power card backboard is provided with a square connector corresponding to the clock control card, and the corresponding clock control card and square connector are detachably connected, so that the clock control card is powered and controlled.

[0012] Preferably, the reference signal connector of the clock control card is also connected in communication with the clock power division module through a blind plug type male and female connector, and the clock power division module is connected in communication with each frequency conversion card through a cable, so as to provide the reference clock required by each frequency conversion card.

[0013] Preferably, the time control power card backboard is provided with a knife type connector corresponding to the power card, and the power card is provided with a blade type pluggable power terminal corresponding to the knife type connector, and the power card and the time control power card backboard are detachably connected through the blade type pluggable power terminal and the knife type connector, so as to realize power supply for each structure of the card type frequency converter. The power supply connection mode can be realized by using the existing technology.

[0014] Preferably, the frequency converter whole machine frame is additionally provided with a power module for converting alternating current into direct current.

[0015] Preferably, the frequency converter whole machine frame is designed as a vertical card and a blind plug.

[0016] Preferably, the frequency conversion card is a front card, and the clock control card and the power card are rear cards.

[0017] Preferably, the connectors between the frequency conversion card, the clock control card, the power card and the frequency converter whole machine frame are respectively connectors with blind plug function.

[0018] Preferably, all external ports of the card type frequency converter are arranged on the rear panel of the frequency converter whole machine frame.

[0019] The product has the advantages of simple structure, convenient operation, simultaneous insertion of multiple frequency conversion devices into one device, realization of the performance and function of each module, low cost, small size, high performance, reduced design difficulty of the multiple frequency conversion device, improved easy realization degree of the structure, improved performance, reduced size and cost, good module replaceability, and improved channel use efficiency of the frequency converter.

[0020] This product is designed for plug-in card inverters. Through the rational distribution of the plug-in cards, it achieves a large number of channels, strong interface integration, and a wide frequency range. Key features include adjustable and displayable frequency gain, compatibility with all frequency bands and support for hot-swapping, and high isolation between channels. All these design elements enhance the purity and controllability of the output signal, making it highly practical and promising for future applications. Attached Figure Description

[0021] The present invention will now be described in further detail with reference to the accompanying drawings.

[0022] Figure 1 This is a schematic diagram of the structure of the plug-in type frequency converter.

[0023] In the diagram: 1. Variable frequency drive card; 2. Clock control card; 3. Power supply card; 4. RF blind mating connector; 5. Square connector; 6. Blade connector; 7. Clock power divider module; 8. Guide post; 9. Variable frequency drive card backplane; 10. Time control power supply card backplane; 11. Variable frequency drive frame. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0025] like Figure 1 As shown, in order to facilitate understanding of the above technical solution of this utility model, the above technical solution of this utility model will be described in detail below through specific usage methods.

[0026] The aforementioned plug-in inverter includes an inverter frame 11, which houses a clock power divider module 7, an inverter plug-in card electrical control backplane 9, and a time control power plug-in card backplane 10. The inverter plug-in card electrical control backplane 9 is detachably connected to several inverter plug-in cards 1. The time control power plug-in card backplane 10 is detachably connected to power plug-in cards 3 and several clock control plug-in cards 2. The clock control plug-in cards 2 are also communicatively connected to the clock power divider module 7. The clock power divider module 7 is communicatively connected to each inverter plug-in card 1 via cables, thereby providing each inverter plug-in card 1 with the reference clock required for its local oscillator. Each inverter plug-in card 1 is communicatively connected to an RF blind-mating connector 4, thereby enabling the high-frequency signal of each inverter plug-in card 1 to be directly output through the corresponding RF blind-mating connector 4.

[0027] In one embodiment, the frequency converter card 1 adopts a metal cavity sealing design to ensure that high-frequency signals will not cause spatial crosstalk and thus reduce channel isolation.

[0028] In one embodiment, the external power supply control interface of the frequency converter card 1 adopts a filtering design to eliminate crosstalk of signals on the power supply control line.

[0029] In an embodiment, the frequency conversion card electric control backboard 9 is provided with a guide column 8 corresponding to the frequency conversion card 1, and the frequency conversion card 1 is provided with a square plug-in terminal corresponding to the guide column 8, so that the frequency conversion card 1 and the frequency conversion card electric control backboard 9 are detachably connected through the corresponding guide column 8 and square plug-in terminal, thereby guiding the frequency conversion card 1 to be correctly and smoothly inserted into the frequency conversion card electric control backboard 9.

[0030] In an embodiment, the time control power card backboard 10 is provided with a square connector 5 corresponding to the clock control card 2, and the corresponding clock control card 2 and square connector 5 are detachably connected, thereby realizing power supply and control of the clock control card 2.

[0031] In an embodiment, the reference signal connector of the clock control card 2 is further connected in communication with the clock power division module 7 by using a blind plug type male and female connector, and the clock power division module 7 is connected in communication with each frequency conversion card 1 through a cable, thereby providing the reference clock required by the local oscillator for each frequency conversion card 1.

[0032] In an embodiment, the time control power card backboard 10 is provided with a knife type connector 6 corresponding to the power card 3, and the power card 3 is provided with a blade type pluggable power terminal corresponding to the knife type connector 6, so that the power card 3 and the time control power card backboard 10 are detachably connected through the blade type pluggable power terminal and the knife type connector 6, thereby realizing power supply for each structure of the plug-in card type frequency converter. The power supply connection mode can be realized by using the existing technology.

[0033] In an embodiment, the frequency converter whole machine frame 11 is further provided with a power module for converting alternating current into direct current.

[0034] In an embodiment, the frequency converter whole machine frame 11 is designed as a vertical plug-in card and a blind plug.

[0035] In an embodiment, the frequency conversion card 1 is a front plug-in card, and the clock control card 2 and the power card 3 are rear plug-in cards.

[0036] In an embodiment, the connectors between the frequency conversion card 1, the clock control card 2, the power card 3 and the frequency converter whole machine frame 11 are respectively connectors with a blind plug function.

[0037] In an embodiment, all external ports of the plug-in card type frequency converter are arranged on the rear panel of the frequency converter whole machine frame 11.

[0038] In an embodiment, corresponding backboards can be designed at corresponding positions of each plug-in card (the frequency conversion card 1, the clock control card 2 and the power card 3), and corresponding guide columns are further designed on the backboards, thereby guiding the plug-in cards to be correctly and smoothly inserted.

[0039] In an embodiment, the above connection refers to communication connection or electrical connection.

[0040] Working principle: after the frequency conversion card 1 is inserted, the cable connected to the frequency conversion card 1 transmits information to the time clock control card 2, and the corresponding parameters are identified and configured. The input radio frequency signal is transmitted to the frequency conversion card 1 through the radio frequency blind plug connector 4, and the frequency conversion card 1 completes the frequency conversion function on the input radio frequency signal, and then outputs through the radio frequency blind plug connector 4.

[0041] In summary, the product adopts the unique design, the product is simple in structure, convenient to operate, multiple frequency converters can be inserted into one device at the same time, the performance and function of each module are realized, it is simple and easy to realize, and has the characteristics of low cost, small size and high performance; Further, the technical effects of reducing the design difficulty of the multi-frequency multi-channel frequency converter, improving the easy-to-implement degree of the structure, improving the performance, reducing the size and reducing the cost are achieved; And good module replaceability improves the channel use efficiency of the frequency converter.

[0042] In the description of the utility model, it is understood that the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model.

Claims

1. A plug-in frequency converter, characterized in that The frequency converter complete frame (11) is provided with a clock power division module (7), a frequency conversion plug-in card electric control backboard (9), and a time control power supply plug-in card backboard (10); the frequency conversion plug-in card electric control backboard (9) is detachably connected with a plurality of frequency conversion plug-in cards (1); the time control power supply plug-in card backboard (10) is detachably connected with a power supply plug-in card (3) and a plurality of clock control plug-in cards (2); the clock control plug-in cards (2) are further in communication connection with the clock power division module (7); the clock power division module (7) is in communication connection with each frequency conversion plug-in card (1) through a cable; and each frequency conversion plug-in card (1) is respectively in communication connection with a radio frequency blind plug connector (4).

2. The card plug-in frequency converter according to claim 1, wherein The frequency conversion plug-in card (1) adopts a metal cavity sealing design.

3. The card plug-in frequency converter according to claim 1, wherein The external power supply control interface of the frequency conversion plug-in card (1) adopts a filtering design.

4. The card plug-in frequency converter according to claim 1, wherein, The frequency conversion plug-in card electric control backboard (9) is provided with a guide column (8) corresponding to the frequency conversion plug-in card (1), and the frequency conversion plug-in card (1) is provided with a square plug-in terminal corresponding to the guide column (8), so that the frequency conversion plug-in card (1) and the frequency conversion plug-in card electric control backboard (9) are detachably connected through the corresponding guide column (8) and square plug-in terminal.

5. The card cage frequency converter of claim 1, wherein, The time control power supply plug-in card backboard (10) is provided with a square connector (5) corresponding to the clock control plug-in card (2), and the corresponding clock control plug-in card (2) and square connector (5) are detachably connected.

6. The card cage frequency converter of claim 5, wherein, The reference signal connector of the clock control plug-in card (2) is further in communication connection with the clock power division module (7) through a blind plug type male and female connector, and the clock power division module (7) is in communication connection with each frequency conversion plug-in card (1) through a cable.

7. The card cage frequency converter of claim 1, wherein, The time control power supply plug-in card backboard (10) is provided with a knife type connector (6) corresponding to the power supply plug-in card (3), and the power supply plug-in card (3) is provided with a blade type pluggable power supply terminal corresponding to the knife type connector (6), so that the power supply plug-in card (3) and the time control power supply plug-in card backboard (10) are detachably connected through the blade type pluggable power supply terminal and the knife type connector (6).

8. The card cage frequency converter of claim 7, wherein, The frequency converter complete frame (11) is further provided with a power supply module for converting alternating current into direct current.

9. The card cage frequency converter of claim 1, wherein, The frequency converter complete frame (11) as a whole adopts a vertical plug-in card design and a blind plug design. The frequency conversion plug-in card (1) is a front plug-in card, and the clock control plug-in card (2) and the power supply plug-in card (3) are rear plug-in cards.

10. The card cage frequency converter of claim 9, wherein, The connectors between the frequency conversion plug-in card (1), the clock control plug-in card (2), the power supply plug-in card (3), and the frequency converter complete frame (11) are respectively blind plug connectors; All external ports of the plug-in card type frequency converter are arranged on the rear panel of the frequency converter complete frame (11).

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