CN107192910B - Microwave automatic control detection channel assembly - Google Patents
Microwave automatic control detection channel assembly Download PDFInfo
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- CN107192910B CN107192910B CN201710570613.2A CN201710570613A CN107192910B CN 107192910 B CN107192910 B CN 107192910B CN 201710570613 A CN201710570613 A CN 201710570613A CN 107192910 B CN107192910 B CN 107192910B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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Abstract
The invention discloses a microwave automatic control detection channel assembly which comprises a plurality of microwave detection channels and an automatic switching system, wherein each microwave detection channel comprises an input plug-in, a coaxial attenuator, a capacitor, a Pin tube, a detection diode and a microstrip line for transmitting a detection signal, the input plug-in is used for connecting a detected system or a system needing hot backup, the coaxial attenuator is connected with a constant value capacitor and used for attenuating the detected signal and balancing the channel state, the capacitor is connected with the coaxial attenuator and used for filtering a direct current signal, the Pin tube is used for controlling the conduction of the detection channels, the detection diode is used for radio frequency detection, and the automatic switching system is used for generating a control time sequence signal and gating each Pin tube. The invention can solve the problems of manual switching, hot switching, unbalanced channels and the like of a tested system in the traditional detection method, and has the advantages of convenient operation and use, small volume, light weight, easy maintenance and the like.
Description
Technical Field
The invention relates to the technical field of microwaves, in particular to a microwave self-control detection channel assembly.
Background
Because actual work's needs in the microwave system, the passageway detects unavoidably in the microwave system, and traditional microwave detection technique adopts manual switch to detect one by one mostly, has the detection channel power fluctuation unstable, and the manual work is opened and is closed detection system passageway and waste time and energy, and the single function shortcoming such as with high costs. The invention can well solve the problems of the traditional detection system.
Disclosure of Invention
The invention aims to provide a microwave automatic control detection channel assembly which can solve the problems that a detected system needs manual switching, hot switching, channel imbalance and the like in a traditional detection method, and has the advantages of convenience in operation and use, small size, light weight, easiness in maintenance and the like.
The invention provides a microwave automatic control detection channel assembly, which comprises a plurality of microwave detection channels and an automatic switching system, wherein each microwave detection channel comprises an input plug-in, a coaxial attenuator, a capacitor, a Pin tube, a detection diode and a microstrip line for transmitting a detection signal, the input plug-in is used for connecting a system to be detected or a system requiring hot backup, the coaxial attenuator is connected with a constant value capacitor and used for attenuating the detected signal and balancing the channel state, the capacitor is connected with the coaxial attenuator and used for filtering a direct current signal, the Pin tube is used for controlling the conduction of the detection channels, the detection diode is used for radio frequency detection, and the automatic switching system is used for generating a control time sequence signal and gating each Pin tube.
Further, the multi-microwave detection channel further comprises an impedance transformation microstrip line and a detection terminal, wherein the impedance transformation microstrip line is used for impedance transformation, the detection terminal is used for signal detection, and the impedance transformation microstrip line and the detection terminal are connected through the microstrip line.
Further, the automatic switching system comprises a power connector, a voltage stabilizing module, a time sequence module, an operational amplifier module and an external interface, wherein the power connector is used for connecting an external power supply, the voltage stabilizing module is connected with the operational amplifier module and the time sequence module and used for providing stable voltage for the time sequence module and the operational amplifier module, and the operational amplifier module is connected with the control end and the time sequence module of each Pin tube and used for amplifying a control time sequence signal generated by the time sequence module so as to determine the conduction of each Pin tube.
Further, a resistor and an inductor are cascaded between the operational amplifier module and the control end of each Pin tube, wherein the resistor plays a feeding role, and the inductor plays a role in isolating radio frequency energy and feeding direct current.
Furthermore, the microwave self-control detection channel assembly further comprises a self-checking indication module, which is composed of a light-emitting detection diode and the ground, is connected between the resistor and the inductor and is used for displaying the conduction condition and the fault condition of each channel.
Furthermore, the timing module generates a control timing sequence through a built-in clock or receives an operation instruction of an operator through an external interface to generate the control timing sequence.
Further, the operational amplifier module is connected with the Pin tube control end and the timing module and is provided with an external interface for amplifying the control timing signal or the external signal and determining the conduction of each Pin tube.
The invention is mainly applied to the multi-channel detection of a microwave system, and has the advantages of high intelligent degree, high speed, good amplitude-phase consistency, high isolation, strong burnout resistance, miniaturization, suitability for complex electromagnetic environment that the channel of the system to be detected cannot be processed in a unified way and the channel of the system to be detected has overlarge power, expandable application to a radio frequency hot backup system, convenient operation and use, small volume, light weight, easy maintenance and the like.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram of the structure of a microwave automatic detection channel assembly;
description of the labeling: 1. an input plug-in; 2. a coaxial attenuator; 3. a microstrip line; 4. a Pin tube; 5. a detection diode; 6. an impedance conversion microstrip line; 7. detecting a terminal; 8. a capacitor; 9. a resistance; 10. an inductance; 11. a power supply connector; 12. a voltage stabilization module; 13. an operational amplifier module; 14. a timing module; 15. an external interface; 16. a light emitting diode; 17. ground
FIG. 2 is a schematic diagram of a microwave detection channel integration module;
description of the labeling: 1. an input plug-in; 2. a coaxial attenuator; 18. transmission channel
FIG. 3 is a schematic diagram of an automatic switching system integration module;
description of the labeling: 1. an input plug-in; 11. a power supply connector; 19. automatic control circuit board
FIG. 4 is a schematic structural diagram of a microwave self-control detection channel assembly.
Description of the labeling: 20. a housing; 21. an upper cavity; 22. a lower cavity; 23. an upper cover; 24. a lower cover; 25. and an indicator light.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Fig. 1 shows a signal flow of a microwave autonomous system, as shown in fig. 1, the channel assembly can be connected to a system to be tested or a hot switching system, an external power supply supplies power to a voltage stabilizing module of the automatic switching system, the voltage stabilizing module provides working voltage for a time sequence module and an operational amplifier module, the time sequence module sends a set time sequence or an external control time sequence to the operational amplifier module, and the operational amplifier module sends a control time sequence to a microwave detection channel. The microwave detection channel is connected with a detected system or a heat switching system, a detected signal is sent to the control detection channel after the channels are balanced by the attenuation device, switching, detection and isolation are carried out according to a control time sequence, and finally the detected signal is sent to the detection terminal for data processing.
As shown in figure 1, when a detection signal enters a system through an input plug-in 1, the detection signal is attenuated through a coaxial attenuator 2 to prevent the detected signal from having too high power, so that the system can be conveniently subjected to the normalization processing and a rear-section detection system is protected, the signal after the attenuation balance is filtered through a capacitor 8 to isolate a direct current signal and then sent into a microstrip line 3, when an automatic switching system generates a time sequence signal for conducting a Pin tube 4, the Pin tube is conducted, the detected signal enters a detection diode 5 after passing through the Pin tube, the detection diode detects a radio frequency signal and is convenient for a rear-end detection instrument to detect, a detection signal of each detection diode 5 is provided for an impedance conversion microstrip line, the impedance conversion microstrip line 6 is connected with a detection terminal 7 and is used for converting the phase and amplitude of the input signal to be detected so as to enable the signal to meet the detection requirement, and finally, the detection terminal 7 detects and processes the input signal.
As shown in fig. 1, the power connector 11 inputs an external power into the automatic switching system, the system voltage stabilizing module 12 performs secondary voltage stabilization on the external power voltage, which is not only reduced in design to improve reliability and stability, but also becomes a stable voltage required by the system and then sends the stable voltage to the timing sequence module 14 and the operational amplifier module 13, the timing sequence module 14 generates a stable timing sequence signal through an internal clock and sends the stable timing sequence signal to the operational amplifier module 13, and the operational amplifier module 13 outputs an amplified signal according to each output port of the input timing sequence signal in a successive order and sends the amplified signal to the control end of the Pin transistor through the resistor 9 and the inductor 10 which are connected in parallel. The resistor 9 plays a role of feeding, and the inductor 10 can play a role of isolating radio frequency energy and playing a role of direct current feeding.
As shown in fig. 1, a light emitting diode 16 is connected between the resistor and the inductor of the automatic control system and connected to ground 17, and the light emitting diode emits light to display the switching state and the fault condition of each detection channel when the operational amplifier module outputs a signal.
As shown in fig. 2, the microwave detection channel integration module comprises an input card 1, a coaxial attenuator 2, and a transmission channel 18. The transmission channel is an integrated circuit of a microstrip line, a Pin tube, a detector diode and an impedance transformation microstrip line. The circuit is compact and convenient for miniaturization processing, the input connector is used for connecting a tested system or a system requiring hot backup, and the output connector is used for connecting a terminal system for data processing. The anti burnout ability reinforce of this detection channel can carry out the normalization with the different range of system's multichannel, has promoted and has detected that stability and the whole device integrated level of measuring accuracy are high and can actual processing production.
As shown in fig. 3, the automatic switching system integration module is composed of an automatic control circuit board 19, a power connector 11, and a light emitting detector diode. Automatic control circuit board 19 contains voltage stabilizing module, chronogenesis module and fortune and puts the module and constitute, and the power connector is used for sending external power supply into voltage stabilizing module, and this collection moulding piece can ensure the stability and the filtering electromagnetic interference of power supply, and system operation is simple, convenient to use, and it is fast to detect, small in size and the display system switching state and the fault condition of being convenient for.
As shown in fig. 4, the microwave self-control detection channel assembly includes a housing 20 with an upper layer and a lower layer, an automatic switching system installed in a lower layer cavity 22 of the housing, and a microwave detection channel installed in an upper layer cavity 21 of the housing. The structure is compact, and the automatic switching system is arranged in the lower cavity 22 in the shell, so that the heat dissipation and electromagnetic compatibility are facilitated. The microwave detection channel is arranged in the upper cavity 21 in the shell, so that the electromagnetic compatibility is met, and the microwave detection channel is convenient to connect with an external detection system and is convenient to operate. The upper chamber 21 is closed by an upper lid 23 and the lower chamber is closed by a lower lid 24.
As shown In fig. 4, a BITE indicator 25 is disposed on a side surface of the housing 20 to implement a function of self-Test Equipment (build-In Test Equipment) In the device, and the BITE indicator is used for reflecting a switching state and a fault state of the component, so that a user can quickly check a channel switching condition and judge a channel fault.
The microwave intelligent detection channel assembly has the following characteristics:
the microwave circuit switch has the advantages that the automatic switching system is adopted, the system driving capacity is large, the load capacity is strong, the structure is compact, the switching time can be set as required, the control terminal does not need to be externally arranged, the cost of peripheral control equipment is reduced, the peripheral control equipment is miniaturized, the control terminal can also be externally arranged, the control mode is diversified, the use is convenient, and the microwave circuit switch is suitable for being driven.
And (II) the microwave detection channel combines a Pin tube switch channel and a coaxial attenuation device, so that the automatic switching of the microwave detection channel is solved, the anti-burning capacity of the detection channel is improved, different amplitudes of multiple channels of the system are subjected to normalization processing, and the detection stability and the test precision are improved.
And (III) an automatic switching system is adopted to match with a microwave detection channel, so that the anti-burnout capability is strong, the system is simple to operate, convenient to use, high in detection speed and small in size.
And (IV) the module has a BITE function which is a self-checking indication function and indicates the switching state and the fault state of the module, so that the module is convenient to quickly check and judge faults.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A microwave automatic control detection channel assembly is characterized by comprising a plurality of microwave detection channels and an automatic switching system, wherein each microwave detection channel comprises an input plug-in (1), a coaxial attenuator (2), a capacitor (8), a Pin tube (4), a detection diode (5) and a microstrip line (3) for transmitting a detection signal, wherein the input plug-in (1) is used for connecting a detected system or a system requiring heat backup, the coaxial attenuator (2) is connected with a constant value capacitor and used for attenuating the detected signal and balancing the channel state, the capacitor (8) is connected with the coaxial attenuator and used for filtering a direct current signal, the Pin tube (4) is used for controlling the conduction of the detection channel, and the detection diode (5) is used for radio frequency detection,
the automatic switching system is used for generating control timing signals and gating each Pin tube (4),
the multi-microwave detection channel also comprises an impedance transformation microstrip line (6) and a detection terminal (7), wherein the impedance transformation microstrip line (6) is used for impedance transformation, the detection terminal (7) is used for signal detection, wherein,
the impedance transformation microstrip line (6) and the detection terminal (7) are connected through the microstrip line (3),
the automatic switching system comprises a power connector (11), a voltage stabilizing module (12), a time sequence module (14), an operational amplifier module (13) and an external interface (15), wherein the power connector (11) is used for connecting an external power supply, the voltage stabilizing module (12) is connected with the operational amplifier module (13) and the time sequence module (14) and used for providing stable voltage for the time sequence module (14) and the operational amplifier module (13), and the operational amplifier module (13) is connected with a control end of each Pin tube (4) and the time sequence module (14) and used for amplifying a control time sequence signal generated by the time sequence module (14) so as to determine the conduction of each Pin tube.
2. The microwave self-control detection channel assembly according to claim 1, wherein a resistor (9) and an inductor (10) are cascaded between the operational amplifier module and the control end of each Pin tube (4), wherein the resistor (9) plays a role of feeding power, and the inductor (10) plays a role of isolating radio frequency energy and feeding direct current.
3. The microwave automatic control detection channel assembly according to claim 2, further comprising a self-test indication module, which is composed of a light-emitting detection diode (16) and a ground (17), and is connected between the resistor (9) and the inductor (10) for displaying the conduction condition and the fault condition of each channel.
4. The microwave self-controlled detection channel assembly according to claim 1, wherein the timing module (14) generates the control timing by a built-in clock or receives an operation instruction of an operator through an external interface.
5. The microwave self-controlled detection channel assembly according to claim 1, wherein the operational amplifier module (13) is connected to the Pin tube control terminal and the timing module and has an external interface for amplifying the control timing signal or the external signal to determine the conduction of each Pin tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570613.2A CN107192910B (en) | 2017-07-13 | 2017-07-13 | Microwave automatic control detection channel assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710570613.2A CN107192910B (en) | 2017-07-13 | 2017-07-13 | Microwave automatic control detection channel assembly |
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| CN107192910A CN107192910A (en) | 2017-09-22 |
| CN107192910B true CN107192910B (en) | 2023-04-18 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2742451Y (en) * | 2004-11-09 | 2005-11-23 | 中国科学院等离子体物理研究所 | Integrated coaxial microwave detector |
| JP2012213108A (en) * | 2011-03-31 | 2012-11-01 | Nec Corp | Detection circuit, detection method, and micro wave radio communication device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207096355U (en) * | 2017-07-13 | 2018-03-13 | 安徽博微长安电子有限公司 | Microwave monitored automatically channel components |
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- 2017-07-13 CN CN201710570613.2A patent/CN107192910B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2742451Y (en) * | 2004-11-09 | 2005-11-23 | 中国科学院等离子体物理研究所 | Integrated coaxial microwave detector |
| JP2012213108A (en) * | 2011-03-31 | 2012-11-01 | Nec Corp | Detection circuit, detection method, and micro wave radio communication device |
Non-Patent Citations (1)
| Title |
|---|
| 凌祥 ; 姜永华 ; 高伟亮 ; 李军 ; .一种宽带微波功率监测***的设计.国外电子测量技术.2011,(第03期),65-67、71. * |
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