CN203444105U - Meteorological radar integrated detector - Google Patents
Meteorological radar integrated detector Download PDFInfo
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- CN203444105U CN203444105U CN201320515863.3U CN201320515863U CN203444105U CN 203444105 U CN203444105 U CN 203444105U CN 201320515863 U CN201320515863 U CN 201320515863U CN 203444105 U CN203444105 U CN 203444105U
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Abstract
The utility model relates to the field of radar technology, and specially discloses a meteorological radar integrated detector. The meteorological radar integrated detector comprises a cabinet; a control unit, a power supply module, a gyro simulator, a connection interface and a display module are arranged in the cabinet, and the power supply module, the gyro simulator, the connection interface and the display module are electrically connected with the control unit; the control unit employs a single-chip microcomputer as a main controller; a phase identification module, a signal conditioning circuit, an angle signal generator, a driving amplification module, a measuring assembly and a control assembly are electrically connected in sequence in the gyro simulator; each of the phase identification module and the driving amplification module include an operational amplifier; the angle signal generator includes a DA converter; one end of each of the measuring assembly and the control assembly is electrically connected with the single-chip microcomputer. The structure is simple, maintenance is convenient, common components inland are employed, gyro signals are accurately simulated, and costs are effectively reduced.
Description
Technical field
The utility model relates to Radar Technology field, relates in particular to a kind of pick-up unit that is applied to weather radar.
Background technology
Civil aviation airborne weather radar (WXR) is the important component part of airborne navigational system, is a kind of important navigator on airline carriers of passengers, has the function of hunter the place ahead precipitation, turbulent flow and wind shear.Weather radar breaks down, and very easily causing flies slides back to, makes a return voyage the accidents such as even air crash, therefore must pay attention to it and detect maintenance.
Early stage weather radar detection system, employing be to buy special-purpose gyro simulator to provide the mode of gyro signal for antenna system.Former gyro simulator has complex structure, gyro signal is simulated the shortcoming not accurate enough, maintenance cost is high.
Utility model content
The purpose of this utility model is, proposes a kind of weather radar comprehensive detector, and it is simple in structure, easy to maintenance, can accurately simulate gyro signal.
For achieving the above object, the utility model provides a kind of weather radar comprehensive detector, and it comprises: cabinet, the power module, gyro simulator, connecting interface and the display module that in described cabinet, be provided with control module, are electrically connected respectively with control module; Described control module adopts single-chip microcomputer as master controller, includes the phase identification module, signal conditioning circuit, angle signal generator, drive amplification module, measurement assembly and the Control Component that are electrically connected successively in described gyro simulator; In described phase identification module and drive amplification module, included operational amplifier, in described angle signal generator, included DA converter, described measurement assembly and Control Component one end are electrically connected with single-chip microcomputer respectively.
Wherein, can to adopt model be the single-chip microcomputer of STC89C58 to described control module.
Concrete, described power module is electrically connected with an AC-DC converter, and power module is electrically connected by this AC-DC converter and single-chip microcomputer.
It is the four-operational amplifier of LM324 that operational amplifier described in the utility model can adopt model.
Further, between described signal conditioning circuit and angle signal generator, be also electrically connected with anti-jamming circuit.
Concrete, it is the serial digital to analog converter of TL5615 that described DA converter can adopt model.
Optionally, also include multiway analog switch in described Control Component, it is the chip of CD4058 that this multiway analog switch can adopt model.
Moreover described single-chip microcomputer is also electrically connected with keyboard components.
In addition, described connecting interface is also electrically connected with extend testing interface.
The utility model weather radar comprehensive detector, it is simple in structure, easy and simple to handle, easy to maintenance, and it adopts domestic conventional components and parts, not only can accurately simulate gyro signal, and has effectively reduced cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the modular structure schematic diagram of a kind of specific embodiment of weather radar comprehensive detector of the present utility model;
Fig. 2 is the modular structure schematic diagram of 30 1 kinds of specific embodiments of gyro simulator in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, 2, the utility model provides a kind of weather radar comprehensive detector, it comprises: cabinet (not shown), the power module 20, gyro simulator 30, connecting interface 40 and the display module 50 that in described cabinet, be provided with control module 10, are electrically connected respectively with control module 10; Described control module 10 adopts single-chip microcomputer 11 as master controller, includes the phase identification module 31, signal conditioning circuit 32, angle signal generator 33, drive amplification module 34, measurement assembly 35 and the Control Component 36 that are electrically connected successively in described gyro simulator 30; In described phase identification module 31 and drive amplification module 34, included operational amplifier (not shown), in described angle signal generator 33, include DA converter (not shown), described measurement assembly 35 and Control Component 36 one end are electrically connected with single-chip microcomputer 11 respectively.This weather radar comprehensive detector is not only simple in structure, easy and simple to handle, easy to maintenance, and it adopts domestic conventional components and parts, not only can accurately simulate gyro signal, and has effectively reduced cost.
The utility model, can selection standard finished product cabinet in structural design, and the mode of designed, designed panel, makes front panel Functional Design succinct, convenient operation.
As a kind of specific embodiment of the present utility model, it is the single-chip microcomputer 11 of STC89C58 that described control module 10 can adopt model.This STC89C58 is a kind of single-chip microcomputer of 51 novel kernels, and its inside comprises 32K FLASH ROM, 1.2K RAM, has super low-power consumption, and under normal mode of operation, typical power consumption is 4-7mA, under idle pulley, is less than 2mA.This STC89C58 single-chip microcomputer 11 is compared the antijamming capability with superelevation with 51 traditional single-chip microcomputers, and each I/O mouth has carried out diode clamp protection to VCC and GND, so wide input voltage range, is not afraid of power supply shake.Meanwhile, due to the built-in high-antistatic of this single-chip microcomputer 11 (esd protection) circuit, therefore can light anti-fast-pulse interference of crossing 2000V.In the utility model, can also adopt STC89C58 single-chip microcomputer 11 in conjunction with the mode of traditional toggle switch, rotary switch, realize selection and the various operation of tested object and stop controlling.
It is equipment power supply that the utility model specifically adopts outside 115V AC power, its preferred military products and high precision, high reliability power module 20, this power module 20 is electrically connected with an AC-DC converter 22, and power module 20 is electrically connected by this AC-DC converter 22 and single-chip microcomputer 11.Wherein, described AC-DC converter 22 is that alternating current is become to galvanic equipment, it can be converted to direct supply by outside 115V AC power, thereby be single-chip microcomputer 11 power supply (intersect for fear of lines in Fig. 2 chaotic, so the arrow on AC-DC converter 22 right sides is not connected to single-chip microcomputer 11 places).As selectivity embodiment of the present utility model, in described power module 20, be also provided with different power transfer module (not shown), the 115V AC power of outside input can be converted to the needed 28V power supply of weather radar system by a power transfer module; Or, can also by another power transfer module by outside 115V AC power be converted to internal work needed ± 15V and+5V power supply.As preferred embodiment of the present utility model, can also carry out overcurrent, short-circuit protection to power module 20, and connecting interface 40 is carried out to Anti-misplug protection, to protect equipment under test not damaged.
It is the four-operational amplifier of LM324 that operational amplifier described in the utility model can adopt model.This LM324 is the four-operational amplifier with differential input.Compare with the standard operation amplifier of single supply application scenario, they have some remarkable advantages.These LM324 tetra-amplifiers can be operated in low to 3.0 volts or high under the power supply of 32 volts, quiescent current be MC1741 operational amplifier quiescent current 1/5th.Because its common-mode input range comprises negative supply, thereby eliminated the necessity that adopts external bias element in many application scenarios.
In the utility model, described signal conditioning circuit 32 can be transformed to the simulating signal through 31 outputs of phase identification module for data acquisition, control procedure, execution and calculate and show and read or the digital signal of other objects.This signal conditioning circuit 32 briefly converts measured signal to standard signal that collecting device can be identified by operations such as amplification, filtering exactly.Because industrial signal is high pressure a bit, overcurrent, surges etc., can not correctly be identified by system, must adjust and put in order.Therefore the utility model is by the setting of signal conditioning circuit 32, the signal kind that can utilize its inner circuit (as wave filter, converter, amplifier etc.) the to change input line output of going forward side by side.
Further, between described signal conditioning circuit 32 and angle signal generator 33, be also electrically connected with anti-jamming circuit (not shown).This anti-jamming circuit can be by adopting filtering circuit and shielding measure to improve.In described angle signal generator 33, include DA converter (not shown), this DA converter is for generation of the angle signal of simulation.Concrete, it is that the serial digital to analog converter of TL5615 carries out amplitude control that described DA converter can adopt model.The utility model adopts STC89C58 single-chip microcomputer 11 as master controller, by 10 DA converters of TL5615 serial, carry out amplitude control, utilize precision operational-amplifier MC1741 to carry out the amplification conditioning of signal, make it meet the requirements of amplitude, reach ± 3mV of precision, can simulate gyro output completely.
Because the signal demand that angle signal generator 33 produces is measured through single-chip microcomputer 11, therefore, after signal driver amplification module 34 drive amplifications that produced by angle signal generator 33, by measuring assembly 35, carry out signals collecting, and then be delivered to single-chip microcomputer 11 places and detect, and carry out parameter measurement and state is indicated by display module 50.Described Control Component 36 is used for the voltage swing of control angle signal generator 33.As a kind of selectivity embodiment of the present utility model, in order to realize the selection output of multichannel analog signals, in Control Component 36 of the present utility model, also include multiway analog switch (not shown), it is the chip of CD4058 that this multiway analog switch can adopt model.The maximum open and close time of this multiway analog switch is respectively 1000ns and 500ns, and during switch motion, maximum electrostatic stream is 250uA, and control mode is that TTL logic level is controlled, and its electric property can meet the requirement of system rapidity, reliability and low-power consumption.In order to reach the requirement of the logical phase of gyro signal, the simulating signal in the utility model can directly adopt outside 115V AC power transformation to try to achieve.
Moreover described single-chip microcomputer 11 is also electrically connected with keyboard components 12, by this keyboard components 12 to carry out angle initialization.As a kind of selectivity embodiment of the present utility model, described connecting interface 40 is also electrically connected with several extend testing interfaces 42 for other test.
Weather radar comprehensive detector of the present utility model is applicable to fault detect and the performance test of weather radar, can realize the test to radar antenna 13, transceiver 14 and display 15, the test of this radar antenna 13, transceiver 14 and display 15 is all realized and being electrically connected with control module 10 by connecting interface 40.Radar antenna 13 can be fixed installation by an antenna synthesis range of stability clinometer rule 16, and this antenna synthesis range of stability clinometer rule 16 is equivalent to a holder, can be by radar antenna 13 fixing being mounted thereon.Transceiver 14 one end can be electrically connected by an attenuator 17 and a RD-301A type weather radar tester 18, to carry out the detection of some standards.While starting working, first give instrument power supply to be measured, and the start button operating on instrument to be measured starts, this weather radar comprehensive detector control module 10 carries out voltage tester, and other is as tests such as waveforms.In this process, can set aerial angle by gyro simulator 30.Concrete, tested radar component (UUT) 60 can be realized and being electrically connected with the gyro simulator 30 in weather radar comprehensive detector by drive amplification module 34.When the AC power of a 115V of outside input, through AC-DC converter 22, being converted to direct supply is single-chip microcomputer 11 power supplies.Meanwhile, the AC power of this 115V is carried out phase identification by the operational amplifier of being located in phase identification module 31, then by signal conditions such as amplification filtering; Signal after conditioning produces the angle signal of a simulation by the DA converter in angle signal generator 33, this angle signal passes through the drive amplification of the operational amplifier in drive amplification module 34 again, and then be sent to single-chip microcomputer and measure by measuring assembly, and show by 50 pairs of measurement results of display module.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a weather radar comprehensive detector, comprises cabinet, it is characterized in that, the power module, gyro simulator, connecting interface and the display module that in described cabinet, be provided with control module, are electrically connected respectively with control module; Described control module adopts single-chip microcomputer as master controller, includes the phase identification module, signal conditioning circuit, angle signal generator, drive amplification module, measurement assembly and the Control Component that are electrically connected successively in described gyro simulator; In described phase identification module and drive amplification module, included operational amplifier, in described angle signal generator, included DA converter, described measurement assembly and Control Component one end are electrically connected with single-chip microcomputer respectively.
2. weather radar comprehensive detector as claimed in claim 1, is characterized in that, described control module adopts the single-chip microcomputer that model is STC89C58.
3. weather radar comprehensive detector as claimed in claim 1, is characterized in that, described power module is electrically connected with an AC-DC converter, and power module is electrically connected by this AC-DC converter and single-chip microcomputer.
4. weather radar comprehensive detector as claimed in claim 1, is characterized in that, described operational amplifier adopts the four-operational amplifier that model is LM324.
5. weather radar comprehensive detector as claimed in claim 1, is characterized in that, between described signal conditioning circuit and angle signal generator, is also electrically connected with anti-jamming circuit.
6. weather radar comprehensive detector as claimed in claim 1, is characterized in that, described DA converter adopts the serial digital to analog converter that model is TL5615.
7. weather radar comprehensive detector as claimed in claim 1, is characterized in that, in described Control Component, includes multiway analog switch.
8. weather radar comprehensive detector as claimed in claim 7, is characterized in that, described multiway analog switch adopts the chip that model is CD4058.
9. weather radar comprehensive detector as claimed in claim 1, is characterized in that, described single-chip microcomputer is also electrically connected with keyboard components.
10. weather radar comprehensive detector as claimed in claim 1, is characterized in that, described connecting interface is also electrically connected with extend testing interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320515863.3U CN203444105U (en) | 2013-08-22 | 2013-08-22 | Meteorological radar integrated detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320515863.3U CN203444105U (en) | 2013-08-22 | 2013-08-22 | Meteorological radar integrated detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444105U true CN203444105U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320515863.3U Expired - Lifetime CN203444105U (en) | 2013-08-22 | 2013-08-22 | Meteorological radar integrated detector |
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| Country | Link |
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| CN (1) | CN203444105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666417A (en) * | 2020-12-31 | 2021-04-16 | 凌云科技集团有限责任公司 | General high-precision program-controlled angular position measuring device and method based on 51 single chip microcomputer |
-
2013
- 2013-08-22 CN CN201320515863.3U patent/CN203444105U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666417A (en) * | 2020-12-31 | 2021-04-16 | 凌云科技集团有限责任公司 | General high-precision program-controlled angular position measuring device and method based on 51 single chip microcomputer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |