CN204256005U - Airborne avionics information simulation device - Google Patents
Airborne avionics information simulation device Download PDFInfo
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- CN204256005U CN204256005U CN201420733995.8U CN201420733995U CN204256005U CN 204256005 U CN204256005 U CN 204256005U CN 201420733995 U CN201420733995 U CN 201420733995U CN 204256005 U CN204256005 U CN 204256005U
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Abstract
The utility model provides a kind of airborne avionics information simulation device, this simulator comprises power conversion unit, fuel level gauge signal generation unit, backup analog signals generation unit, hanging point signal generation unit, altimeter signal generation unit and interface unit, the output signal of described fuel level gauge signal generation unit, backup analog signals generation unit, hanging point signal generation unit, altimeter signal generation unit is all connected to interface unit, and described power conversion unit powers to aforementioned each unit.The utility model can produce multiple airborne information parameter by analog electronics, and exports to equipment to be tested by fixed interface, the Aerial Electronic Equipments such as simulated altitude table, fuel level gauge, aircraft hanging point system, makes test environment more simple, clean and tidy.
Description
Technical field
The utility model relates to a kind of simulator, especially relates to a kind of airborne avionics information simulation device.
Background technology
In the research and development of electronic equipment, need to carry out a large amount of tests, to verify the various functions of product.In product test process, need to be cross-linked with a large amount of external unit, gather and process various external unit signal.Some airborne Aerial Electronic Equipment (as aerial seeding vegetation, comprehensive Aerial Electronic Equipment etc.) need gather airborne avionics information, after treatment, carry out storing, send aobvious or under pass.Airborne avionics information comprises various Aerial Electronic Equipment information on machine, as height indicator, fuel level gauge, aircraft hanging point (auxiliary fuel tank, bomb, gondola etc.) etc. can characterize the information of flying platform running status, visible, it is of a great variety that airborne avionics information relates to Aerial Electronic Equipment, and information category is also different.
In equipment de-sign, production run, need to connect whole corresponding Aerial Electronic Equipment, the debugging and testing to corresponding airborne avionics information processing could be realized.But in actual design production run, because condition is limited, all relevant Aerial Electronic Equipments be put together and carry out difficulty of test comparatively greatly, therefore the airborne avionics information all needed cannot be obtained.If verify this interface function again to during the uniting and adjustment of ground, then can not test fully, the uncertain and insufficient of debug results may be caused; According to the mode of simulation avionics information, but there is no a kind of comparatively perfect airborne avionics information simulation device at present, miscellaneous airborne avionics information can be simulated.In existing test process, independent simulation is all needed to each airborne Aerial Electronic Equipment, causes analog machine various, line is more, intricate operation, and easily because connection error causes device damage, which not only adds the R&D cycle, too increase R&D costs simultaneously, R&D work is made troubles.
Utility model content
The purpose of this utility model is: for prior art Problems existing, a kind of airborne avionics information simulation device is provided, solve in existing test process, independent simulation is all needed to each airborne Aerial Electronic Equipment, causes analog machine various, line is more, intricate operation, and easily because connection error causes device damage, which not only adds the R&D cycle, too increase R&D costs, to the problem that R&D work is made troubles simultaneously.
Utility model object of the present utility model is achieved through the following technical solutions:
A kind of airborne avionics information simulation device, it is characterized in that, this simulator comprises power conversion unit, altimeter signal generation unit and interface unit, described power conversion unit comprises high-voltage output terminal and low-voltage output end, described altimeter signal generation unit comprises resistance R15, adjustable resistance R16, operational amplifier U1B, resistance R14, resistance R13, electric capacity C2, diode U3 and operational amplifier power circuit, one end of described resistance R15 connects low-voltage output end, the other end connects a fixed contact of adjustable resistance R16, another fixed contact ground connection of adjustable resistance R16, the in-phase input end of the moving contact concatenation operation amplifier U1B of adjustable resistance R16, the reverse input end of operational amplifier U1B is by resistance R14 ground connection, the output terminal of operational amplifier U1B is by diode U3 connecting interface unit, the positive source input end of operational amplifier U1B connects high-voltage output terminal by operational amplifier power circuit, the power cathode input end grounding of operational amplifier U1B, between the reverse input end that described resistance R13 is connected in parallel on operational amplifier U1B and output terminal, between the reverse input end that described electric capacity C2 is connected in parallel on operational amplifier U1B and output terminal.
Preferably, described operational amplifier power circuit comprises electric capacity C8, electric capacity C12, electric capacity C11, inductance L 14 and electric capacity C9, described electric capacity C8, electric capacity C12, electric capacity C11 are connected in parallel between the positive source input end of operational amplifier U1B and ground, positive source input end, the other end of one end concatenation operation amplifier U1B of described inductance L 14 connect high-voltage output terminal and electric capacity C9, the other end ground connection of electric capacity C9 respectively.
Preferably, this simulator also comprises fuel level gauge signal generation unit, this fuel level gauge signal generation unit comprises resistance R3, adjustable resistance R12, operational amplifier U1A, diode U2, resistance R2, resistance R1 and electric capacity C1, one end of described resistance R3 connects low-voltage output end, the other end connects a fixed contact of adjustable resistance R12, another fixed contact ground connection of adjustable resistance R12, the in-phase input end of the moving contact concatenation operation amplifier U1A of adjustable resistance R12, the reverse input end of operational amplifier U1A is by resistance R2 ground connection, the output terminal of operational amplifier U1A is by diode U2 connecting interface unit, between the reverse input end that described resistance R1 is connected in parallel on operational amplifier U1A and output terminal, between the reverse input end that described electric capacity C1 is connected in parallel on operational amplifier U1A and output terminal.
Preferably, this simulator also comprises backup analog signals generation unit, this backup analog signals generation unit comprises resistance R19, adjustable resistance R20, operational amplifier U5A, resistance R18, resistance R17, electric capacity C13, diode U6 and operational amplifier power circuit, one end of described resistance R19 connects low-voltage output end, the other end connects a fixed contact of adjustable resistance R20, another fixed contact ground connection of adjustable resistance R20, the in-phase input end of the moving contact concatenation operation amplifier U5A of adjustable resistance R20, the reverse input end of operational amplifier U5A is by resistance R18 ground connection, the output terminal of operational amplifier U5A is by diode U6 connecting interface unit, the positive source input end of operational amplifier U5A connects high-voltage output terminal by operational amplifier power circuit, the power cathode input end grounding of operational amplifier U5A, between the reverse input end that described resistance R17 is connected in parallel on operational amplifier U5A and output terminal, between the reverse input end that described electric capacity C13 is connected in parallel on operational amplifier U5A and output terminal.
Preferably, the operational amplifier power circuit of backup analog signals generation unit comprises electric capacity C19, electric capacity C22, electric capacity C21, inductance L 16 and electric capacity C20, described electric capacity C19, electric capacity C22, electric capacity C21 are connected in parallel between the positive source input end of operational amplifier U5A and ground, positive source input end, the other end of one end concatenation operation amplifier U5A of described inductance L 16 connect high-voltage output terminal and electric capacity C20, the other end ground connection of electric capacity C20 respectively.
Preferably, this simulator also comprises hanging point signal generation unit, this hanging point signal generation unit comprises dual-in-line switch S 1, dual-in-line switch S 2, inductance L 1, contact resistance be connected inductance, the whole ground connection of one row pin of described dual-in-line switch S 1, another row pin is connected respectively a row pin of dual-in-line switch S 2, each pin in another row pin of dual-in-line switch S 2 connects inductance connecting interface unit each via one, be connected with inductance L 1 each via a contact resistance between every two interconnective pins in described dual-in-line switch S 1 and dual-in-line switch S 2, the other end of inductance L 1 connects high-voltage output terminal.
Preferably, all in this simulator simulating signal earth terminals are all connected with digital signal earth terminal by an inductance.
Compared with prior art, the utility model has the following advantages:
1, directly produce airborne information parameter by analog electronics, export to equipment to be tested by fixed interface, this airborne information simulation utensil has high fidelity and stronger dirigibility;
2, airborne avionics information simulation device simulates three tunnel simulating signals, 7 road discrete signals, height indicator reliability signal and self-test signal exactly, the Aerial Electronic Equipments such as height indicator, fuel level gauge, flying platform avionics hanging point system can be replaced during debugging and testing, achieve the output of airborne avionics information signal;
3, apply this airborne avionics information simulation device, when debugging, testing, the Aerial Electronic Equipments such as height indicator, fuel level gauge, aircraft hanging point system can be replaced, make test environment more simple, clean and tidy;
4, this simulator cost is extremely low, and the input of Zhi Xu mono-road power supply, export and adopt fixed interface, multiple avionics instrument and equipment effectively prevent when must be used to test, line is complicated, easily make mistakes and the higher disadvantage of cost, reducing testing cost and personnel drop into, is a kind of efficient, testing apparatus reliably.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model;
Fig. 2 is the voltage output circuit figure of power conversion unit;
Fig. 3 is the low voltage output circuit figure of power conversion unit;
Fig. 4 is the circuit diagram of altimeter signal generation unit;
Fig. 5 is the circuit diagram of fuel level gauge signal generation unit;
Fig. 6 is the circuit diagram of backup analog signals generation unit;
Fig. 7 is the circuit diagram of hanging point signal generation unit;
Fig. 8 is the circuit diagram of interface unit;
Fig. 9 is the connecting circuit figure of simulating signal earth terminal and digital signal earth terminal;
Figure 10 is the electrical block diagram applying a kind of exemplary embodiments of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
A kind of airborne avionics information simulation device of the utility model mainly comprises power conversion unit, altimeter signal generation unit and interface unit.Power conversion unit can be selected arbitrarily, but must be provided with high-voltage output terminal (output voltage range 25 ~ 30V) and low-voltage output end (output voltage range 13V ~ 17V).The voltage output circuit of the power conversion unit of the present embodiment as shown in Figure 2, its high-voltage output terminal exports 27V voltage, low-voltage output end exports 15V voltage, and it is made up of electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C10, electric capacity C6, electric capacity C7 and inductance L 13.The front end of inductance L 13 connects 27.5V voltage input line, and rear end exports 27V voltage.Between the front end that electric capacity C3, electric capacity C4 and electric capacity C5 are connected in parallel on inductance L 13 and ground, between the rear end that electric capacity C10, electric capacity C6, electric capacity C7 are connected in parallel on inductance L 13 and ground.The low voltage output circuit of the power conversion unit of the present embodiment as shown in Figure 3, be made up of electric capacity C14, inductance L 15, electric capacity C15, electric capacity C16, electric capacity C17, electric capacity C18 and circuit of three-terminal voltage-stabilizing integrated U4, wherein the model of circuit of three-terminal voltage-stabilizing integrated U4 adopts MC7815CT.The front end of inductance L 15 connects the 27V voltage output end of voltage output circuit, the rear end of inductance L 15 connects the input end of circuit of three-terminal voltage-stabilizing integrated U4, the output terminal of circuit of three-terminal voltage-stabilizing integrated U4 exports 15V voltage, the earth terminal ground connection of circuit of three-terminal voltage-stabilizing integrated U4.One end ground connection of electric capacity C14, the other end connects the front end of inductance L 15.Between the rear end that electric capacity C15, electric capacity C16, electric capacity C17 are connected in parallel on inductance L 15 and ground.Electric capacity C18 one end ground connection, the other end connects the output terminal of circuit of three-terminal voltage-stabilizing integrated U4.
Its altimeter signal generation unit as shown in Figure 4, be made up of resistance R15, adjustable resistance R16, operational amplifier U1B, resistance R14, resistance R13, electric capacity C2, diode U3 and operational amplifier power circuit, wherein the model of operational amplifier U1B is LM2904.The fixed contact that one end connects low-voltage output end, the other end connects adjustable resistance R16 of resistance R15, another fixed contact ground connection of adjustable resistance R16, the in-phase input end of the moving contact concatenation operation amplifier U1B of adjustable resistance R16, the reverse input end of operational amplifier U1B is by resistance R14 ground connection, the output terminal of operational amplifier U1B is by diode U3 connecting interface unit, the positive source input end of operational amplifier U1B connects high-voltage output terminal by operational amplifier power circuit, the power cathode input end grounding of operational amplifier U1B.Between the reverse input end that resistance R13 is connected in parallel on operational amplifier U1B and output terminal.Between the reverse input end that electric capacity C2 is connected in parallel on operational amplifier U1B and output terminal.Operational amplifier power circuit comprises electric capacity C8, electric capacity C12, electric capacity C11, inductance L 14 and electric capacity C9.Electric capacity C8, electric capacity C12, electric capacity C11 are connected in parallel between the positive source input end of operational amplifier U1B and ground, positive source input end, the other end of one end concatenation operation amplifier U1B of inductance L 14 connect high-voltage output terminal and electric capacity C9, the other end ground connection of electric capacity C9 respectively.Altimeter signal generation unit normally can export height indicator simulating signal amount, corresponding corresponding height value, by regulate adjustable resistance exactly regulation output scope be the analog signals of 0 ~ 20V.
The basis of aforementioned circuit structure can also increase fuel level gauge signal generation unit, this fuel level gauge signal generation unit as shown in Figure 5, be made up of resistance R3, adjustable resistance R12, operational amplifier U1A, diode U2, resistance R2, resistance R1 and electric capacity C1, wherein the model of operational amplifier U1A is LM2904.The fixed contact that one end connects low-voltage output end, the other end connects adjustable resistance R12 of resistance R3, another fixed contact ground connection of adjustable resistance R12, the in-phase input end of the moving contact concatenation operation amplifier U1A of adjustable resistance R12, the reverse input end of operational amplifier U1A is by resistance R2 ground connection, and the output terminal of operational amplifier U1A is by diode U2 connecting interface unit.Between the reverse input end that resistance R1 is connected in parallel on operational amplifier U1A and output terminal.Between the reverse input end that electric capacity C1 is connected in parallel on operational amplifier U1A and output terminal.Fuel level gauge signal generation unit normally can export oil mass simulating signal amount, and corresponding corresponding oil mass information, regulates adjustable resistance to produce the analog signals that output area is 0 ~ 5V exactly.
The basis of aforementioned circuit structure can also increase backup analog signals generation unit, this backup analog signals generation unit as shown in Figure 6, be made up of resistance R19, adjustable resistance R20, operational amplifier U5A, resistance R18, resistance R17, electric capacity C13, diode U6 and operational amplifier power circuit, wherein the model of operational amplifier U5A is LM2904.The fixed contact that one end connects low-voltage output end, the other end connects adjustable resistance R20 of resistance R19, another fixed contact ground connection of adjustable resistance R20, the in-phase input end of the moving contact concatenation operation amplifier U5A of adjustable resistance R20, the reverse input end of operational amplifier U5A is by resistance R18 ground connection, the output terminal of operational amplifier U5A is by diode U6 connecting interface unit, the positive source input end of operational amplifier U5A connects high-voltage output terminal by operational amplifier power circuit, the power cathode input end grounding of operational amplifier U5A.Between the reverse input end that resistance R17 is connected in parallel on operational amplifier U5A and output terminal.Between the reverse input end that electric capacity C13 is connected in parallel on operational amplifier U5A and output terminal.Back up the operational amplifier power electric routing capacitance C19 of analog signals generation unit, electric capacity C22, electric capacity C21, inductance L 16 and electric capacity C20 to form.Electric capacity C19, electric capacity C22, electric capacity C21 are connected in parallel between the positive source input end of operational amplifier U5A and ground.Positive source input end, the other end of one end concatenation operation amplifier U5A of inductance L 16 connect high-voltage output terminal and electric capacity C20, the other end ground connection of electric capacity C20 respectively.Backup analog signals generation unit can produce 0 ~ 20V analog signals and export, so that can be used for debugging when needing.
The basis of aforementioned circuit structure can also increase hanging point signal generation unit, this hanging point signal generation unit as shown in Figure 7, by dual-in-line switch S 1, dual-in-line switch S 2, inductance L 1, contact resistance (R4, R 5, R6, R 7, R 8, R 9, R 10, R 11) be connected inductance (L5, L6, L7, L8, L9, L10, L11, L12) and form, the model of dual-in-line switch S 1 and dual-in-line switch S 2 is SW-DIP8.The whole ground connection of one row pin (1,2,3,4,5,6,7, No. 8 pin) of dual-in-line switch S 1, another row pin (9,10,11,12,13,14,15, No. 16 pins) are connected respectively a row pin (8,7,6,5,4,3,2, No. 1 pins) of dual-in-line switch S 2, and each pin in another row pin (9,10,11,12,13,14,15, No. 16 pins) of dual-in-line switch S 2 connects inductance (L12, L11, L10, L9, L8, L7, L6, L5) connecting interface unit each via one.Be connected with inductance L 1 each via a contact resistance between every two interconnective pins in dual-in-line switch S 1 and dual-in-line switch S 2, the other end of inductance L 1 connects high-voltage output terminal.Hanging point signal generation unit normally can export the plug-in simulating signal amount of 7 road discrete magnitudes, comprises hanging point signal, auxiliary fuel tank exists signal etc.Hanging point Design of Signal is unsettled, ground connection and 27V high level three kinds of states, can compatible different flying platform hanging point information state, and 0 ~ 20V is adjustable.
In order to prevent signal cross-talk, simulating signal earth terminals all in this simulator is all connected with filtering interfering with digital signal earth terminal by an inductance.Concrete, the output terminal of altimeter signal generation unit, fuel level gauge signal generation unit and backup analog signals generation unit is respectively with a simulating signal earth terminal, simulating signal earth terminal is respectively A2GND, A1GND and A3GND, and all the other earth terminals are digital signal earth terminal.A2GND connects digital signal ground end by inductance L 3, and A1GND connects digital signal ground end by inductance L 2, and A3GND connects digital signal ground end by inductance L 4.
Interface unit is equivalent to an external connection-peg, and as shown in Figure 8, the output terminal of fuel level gauge signal generation unit, backup analog signals generation unit, hanging point signal generation unit and altimeter signal generation unit is all located on structural unit its structure.
In addition, fuel level gauge reference voltage test point can also be set, export to the accuracy of the reference voltage of fuel level gauge for testing apparatus.Also arrange 27V height indicator reliability signal to export, be used to indicate height indicator state, when this signal is effective, carry out height indicator Information Collecting & Processing.Also rational height table self-test signal, for controlling height indicator self-inspection: when after reception height indicator self-test signal, height indicator carries out self-inspection, simultaneously in this airborne avionics information simulation device, arranges the test point to this self-test signal.
Figure 10 is a kind of typical apply scene of airborne avionics information simulation device.Wherein, the airborne Aerial Electronic Equipment information of XXX comprehensive Aerial Electronic Equipment harvester information carrying breath simulator simulation, send display panel control to show flying platform state, also above-mentioned information can be sent by radio channel after process.During test, also show by test console.
In addition, this simulator is not only applicable to airborne avionics information simulation, can be used for the scene that all the other need analog quantity and discrete magnitude information simulation yet.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. an airborne avionics information simulation device, it is characterized in that, this simulator comprises power conversion unit, altimeter signal generation unit and interface unit, described power conversion unit comprises high-voltage output terminal and low-voltage output end, described altimeter signal generation unit comprises resistance R15, adjustable resistance R16, operational amplifier U1B, resistance R14, resistance R13, electric capacity C2, diode U3 and operational amplifier power circuit, one end of described resistance R15 connects low-voltage output end, the other end connects a fixed contact of adjustable resistance R16, another fixed contact ground connection of adjustable resistance R16, the in-phase input end of the moving contact concatenation operation amplifier U1B of adjustable resistance R16, the reverse input end of operational amplifier U1B is by resistance R14 ground connection, the output terminal of operational amplifier U1B is by diode U3 connecting interface unit, the positive source input end of operational amplifier U1B connects high-voltage output terminal by operational amplifier power circuit, the power cathode input end grounding of operational amplifier U1B, between the reverse input end that described resistance R13 is connected in parallel on operational amplifier U1B and output terminal, between the reverse input end that described electric capacity C2 is connected in parallel on operational amplifier U1B and output terminal.
2. one according to claim 1 airborne avionics information simulation device, it is characterized in that, described operational amplifier power circuit comprises electric capacity C8, electric capacity C12, electric capacity C11, inductance L 14 and electric capacity C9, described electric capacity C8, electric capacity C12, electric capacity C11 are connected in parallel between the positive source input end of operational amplifier U1B and ground, positive source input end, the other end of one end concatenation operation amplifier U1B of described inductance L 14 connect high-voltage output terminal and electric capacity C9, the other end ground connection of electric capacity C9 respectively.
3. one according to claim 1 airborne avionics information simulation device, it is characterized in that, this simulator also comprises fuel level gauge signal generation unit, this fuel level gauge signal generation unit comprises resistance R3, adjustable resistance R12, operational amplifier U1A, diode U2, resistance R2, resistance R1 and electric capacity C1, one end of described resistance R3 connects low-voltage output end, the other end connects a fixed contact of adjustable resistance R12, another fixed contact ground connection of adjustable resistance R12, the in-phase input end of the moving contact concatenation operation amplifier U1A of adjustable resistance R12, the reverse input end of operational amplifier U1A is by resistance R2 ground connection, the output terminal of operational amplifier U1A is by diode U2 connecting interface unit, between the reverse input end that described resistance R1 is connected in parallel on operational amplifier U1A and output terminal, between the reverse input end that described electric capacity C1 is connected in parallel on operational amplifier U1A and output terminal.
4. one according to claim 1 airborne avionics information simulation device, it is characterized in that, this simulator also comprises backup analog signals generation unit, this backup analog signals generation unit comprises resistance R19, adjustable resistance R20, operational amplifier U5A, resistance R18, resistance R17, electric capacity C13, diode U6 and operational amplifier power circuit, one end of described resistance R19 connects low-voltage output end, the other end connects a fixed contact of adjustable resistance R20, another fixed contact ground connection of adjustable resistance R20, the in-phase input end of the moving contact concatenation operation amplifier U5A of adjustable resistance R20, the reverse input end of operational amplifier U5A is by resistance R18 ground connection, the output terminal of operational amplifier U5A is by diode U6 connecting interface unit, the positive source input end of operational amplifier U5A connects high-voltage output terminal by operational amplifier power circuit, the power cathode input end grounding of operational amplifier U5A, between the reverse input end that described resistance R17 is connected in parallel on operational amplifier U5A and output terminal, between the reverse input end that described electric capacity C13 is connected in parallel on operational amplifier U5A and output terminal.
5. one according to claim 4 airborne avionics information simulation device, it is characterized in that, the operational amplifier power circuit of backup analog signals generation unit comprises electric capacity C19, electric capacity C22, electric capacity C21, inductance L 16 and electric capacity C20, described electric capacity C19, electric capacity C22, electric capacity C21 are connected in parallel between the positive source input end of operational amplifier U5A and ground, positive source input end, the other end of one end concatenation operation amplifier U5A of described inductance L 16 connect high-voltage output terminal and electric capacity C20, the other end ground connection of electric capacity C20 respectively.
6. one according to claim 1 airborne avionics information simulation device, it is characterized in that, this simulator also comprises hanging point signal generation unit, this hanging point signal generation unit comprises dual-in-line switch S 1, dual-in-line switch S 2, inductance L 1, contact resistance be connected inductance, the whole ground connection of one row pin of described dual-in-line switch S 1, another row pin is connected respectively a row pin of dual-in-line switch S 2, each pin in another row pin of dual-in-line switch S 2 connects inductance connecting interface unit each via one, be connected with inductance L 1 each via a contact resistance between every two interconnective pins in described dual-in-line switch S 1 and dual-in-line switch S 2, the other end of inductance L 1 connects high-voltage output terminal.
7. one according to claim 1 airborne avionics information simulation device, is characterized in that, simulating signal earth terminals all in this simulator is all connected with digital signal earth terminal by an inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733995.8U CN204256005U (en) | 2014-11-28 | 2014-11-28 | Airborne avionics information simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733995.8U CN204256005U (en) | 2014-11-28 | 2014-11-28 | Airborne avionics information simulation device |
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| CN204256005U true CN204256005U (en) | 2015-04-08 |
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| CN201420733995.8U Withdrawn - After Issue CN204256005U (en) | 2014-11-28 | 2014-11-28 | Airborne avionics information simulation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360115A (en) * | 2014-11-28 | 2015-02-18 | 成都航天通信设备有限责任公司 | Airborne avionics information simulator |
| CN108081911A (en) * | 2017-12-29 | 2018-05-29 | 荆州市楚泰新能源科技有限公司 | New energy electric coach air conditioner and track traffic air-conditioning DC fan speed adjusting module |
-
2014
- 2014-11-28 CN CN201420733995.8U patent/CN204256005U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360115A (en) * | 2014-11-28 | 2015-02-18 | 成都航天通信设备有限责任公司 | Airborne avionics information simulator |
| CN104360115B (en) * | 2014-11-28 | 2017-06-30 | 成都航天通信设备有限责任公司 | Airborne avionics information simulation device |
| CN108081911A (en) * | 2017-12-29 | 2018-05-29 | 荆州市楚泰新能源科技有限公司 | New energy electric coach air conditioner and track traffic air-conditioning DC fan speed adjusting module |
| CN108081911B (en) * | 2017-12-29 | 2024-01-26 | 荆州市楚泰新能源科技有限公司 | New energy electric bus air conditioner and rail transit air conditioner direct current fan speed regulation module |
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Granted publication date: 20150408 Effective date of abandoning: 20170630 |
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