CN207074241U - A kind of highly reliable launch vehicle measurement detection means of carrier rocket - Google Patents
A kind of highly reliable launch vehicle measurement detection means of carrier rocket Download PDFInfo
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- CN207074241U CN207074241U CN201720229907.4U CN201720229907U CN207074241U CN 207074241 U CN207074241 U CN 207074241U CN 201720229907 U CN201720229907 U CN 201720229907U CN 207074241 U CN207074241 U CN 207074241U
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Abstract
A kind of highly reliable launch vehicle measurement detection means of carrier rocket of the utility model, including equivalent equipment leakage stream detects equivalent of the apparatus voltage reversal suppression circuit on analog circuit and arrow on arrow；Control system leakage current detection circuit includes resistance R on the arrow1, resistance R2, the first relay and ground power supply positive and negative busbar power supply U；Equivalent of the apparatus voltage reversal suppression circuit includes power module, diode and relay on the arrow；Ground power supply power supply is powered by two-way cable to power module respectively, is connected to power module by diode all the way, another way is connected to power module through relay；When the power supply all the way with diode, another way relay contact does not close；When the power supply all the way with relay, relay contact closure；The output end of power module is connected to signal interaction load.
Description
Technical field
It the utility model is related to a kind of highly reliable launch vehicle measurement detection means of carrier rocket.
Background technology
During Large Launch Vehicle (referred to as big delivery) ground test of new generation, ground launch vehicle measurement signal detection system
The drain conditions (monitoring voltage value) of solid-state relay in controller unit on rocket I levels and II level arrows are monitored respectively, connect ground
Power supply 29V can measure to I levels and II level leakage currents respectively before supplying power to turn electricity.It is required that leakage current is less than 2.4mA on arrow,
Turn electrical relay contact shunt resistance 4K Ω, then the magnitude of voltage that ground measures is normal less than 9.6V, is then needed extremely more than 9.6V
Alarm.Leakage current is one important technical indicator of control system, when having influence on whether controller unit can normally send on arrow
Sequence, can accurately it enter the orbit when being directly connected to rocket flight.So during ground test, comprehensive controlling device can be detected and added
Controller solid-state leakage current failure is highly important.Equally, whether examine leakage current detection circuit working properly is also very
Important.
Big delivery model test mode I is Rocket test stage very important test event.During authentic testing, ground is surveyed
Launching control system is connected with control system on arrow by de- unplugg, to the important power supply on arrow and control instruction signal all by de-
Unplugg is delivered on arrow.And on arrow in the case of no access actual battery, ground power supply is by dummycable on arrow
Power supply.Test mode I need to connect the dummycable powered to instrument on arrow.Designed with the interface and signal interaction of launch vehicle measurement
Need to simulate time of day on arrow completely, that is, when testing the experimental phenomena of launch vehicle measurement will with complete one when being docked on true arrow
Cause, with covering, do not omit each state of the art, expand test coverage.
Control system uses integrated design technology scheme on new generation's carrier rocket arrow, by 1553B buses to each work(
Can module and smart machine progress informix and unified management.Arrow carries equipment of the computer as this work is completed, and has
The detection data of each intelligence instrument collection are collected by 1553B buses and ground test computer is sent to by LVDS buses
The function of (belonging to launch vehicle measurement stand-alone device).So in delivery model arrow ground undocked, the control system ground test stage,
To ground calculation machine mould fly during collect, store and interpretation arrow on bus data function detection, be particularly significant
Function.
Utility model content
The utility model solve technical problem be：Overcome the deficiencies in the prior art, there is provided a kind of carrier rocket is highly reliable
Launch vehicle measurement detection means, the Test coverage sex chromosome mosaicism before solving and expanding launch vehicle measurement and docked on arrow.
The technical solution of the utility model is：A kind of highly reliable launch vehicle measurement detection means of carrier rocket, including on arrow
Equivalent of the apparatus voltage reversal suppression circuit on equivalent of the apparatus leakage current test analog circuit and arrow；Equivalent equipment leakage stream inspection on arrow
Survey analog circuit to detect the drain conditions of launch vehicle measurement, equivalent of the apparatus voltage reversal suppression circuit prevents on arrow
Phenomenon is poured in down a chimney in power supply.
Equivalent equipment leakage stream detection analog circuit includes resistance R on the arrow1, resistance R2, relay and ground power supply
Positive and negative busbar power supply U；Resistance R1, resistance R2It is carried in after series connection between the positive and negative busbar power supply U of launch vehicle measurement power supply, detection
Point is resistance R1The magnitude of voltage at both ends, while test point is additionally coupled to the voltage sample of voltage detecting circuit in launch vehicle measurement
End；Relay and resistance R1Parallel connection, when relay contact closure, test point test voltage is 0V；
The resistance R1With resistance R2Value meet criterion, i.e. resistance R1The voltage at both endsMeet pre-
If true leakage current criterion.
Equivalent of the apparatus voltage reversal suppression circuit includes power module, diode and relay on the arrow；Ground power supply
Power supply is powered by two-way cable to power module respectively, is connected to power module by diode all the way, another way is through relay
Device is connected to power module；There can only be cable power supply all the way simultaneously；When the power supply all the way with diode, another way relay
Contact does not close；When the power supply all the way with relay, relay contact closure；The output end of power module is connected to first
When signal interaction loaded cable is powered, the power on indicator lamp of launch vehicle measurement is connected；During the second cable power supply, the first cable
Power supply disconnects, and power on indicator lamp goes out.Equivalent of the apparatus only has a power module on arrow, therefore by the power supply anode of two-way cable
The anode of power module is connected on jointly, and when launch vehicle measurement sends signal of interest, equivalent of the apparatus receives signal and closes weight on arrow
When wanting signal relay contact, when the second cable takes over the first cable power supply, the first cable power supply disconnects, but the confession of the second cable
Electricity can pour in down a chimney to the first cable, light power on indicator lamp.The purpose of this circuit is exactly to prevent the second cable power supply from pouring in down a chimney, and is examined
When the second cable power supply, whether the first cable power supply normally disconnects core.
The utility model compared with prior art the advantages of be：
The utility model is compared with the other technologies of same domain, and circuit theory is simply clear, and theoretical formula is easily understood, module precision
Height, component number is few, and circuit and Module Reliability are high, easy to operation in engineering and realization.
Design principle of the present utility model is：Circuit is simple, easily operated, and leakage current test value is controlled in claimed range
Interior, leakage current magnitude of voltage is zero after turning electricity.
Brief description of the drawings
Equivalent equipment leakage stream detection analog circuit on Fig. 1 arrows.
Voltage reversal suppression circuit under the state of Fig. 2 simulation tests state I.
Embodiment
The highly reliable launch vehicle measurement detection means of the utility model a new generation Large Launch Vehicle, including equivalent of the apparatus on arrow
Equivalent of the apparatus voltage reversal suppression circuit on leakage current test analog circuit and arrow；
Equivalent equipment leakage stream detection analog circuit includes resistance R on arrow1, resistance R2, relay and ground power supply it is positive and negative
Bussed supply U；Resistance R1, resistance R2It is carried in after series connection between the positive and negative busbar power supply U of launch vehicle measurement power supply, test point is
Resistance R1The magnitude of voltage at both ends, while test point is additionally coupled to the voltage sampling port of voltage detecting circuit in launch vehicle measurement；After
Electrical equipment and resistance R1Parallel connection, when relay contact closure, test point test voltage is 0V；Wherein resistance R1With resistance R2Take
Value meets criterion, i.e. resistance R1The voltage at both endsMeet default true leakage current criterion；
Equivalent of the apparatus voltage reversal suppression circuit includes power module, diode and relay on arrow；Ground power supply is powered
Powered respectively by two-way cable to power module, while there can only be cable power supply all the way.Launch vehicle measurement real work state
For：Power module is connected to by diode all the way, another way is connected to power module through relay；As one with diode
When road powers, another way relay contact does not close；When the power supply all the way with relay, relay contact closure；Power supply
When the output end of module is connected to the power supply of signal interaction loaded cable 1, the power on indicator lamp of launch vehicle measurement is connected；Cable
During 2 power supply, the power supply of cable 1 disconnects, and power on indicator lamp goes out.Equivalent of the apparatus only has a power module on arrow, therefore by two-way
The power supply anode of cable is connected on the anode of power module jointly, and when launch vehicle measurement sends signal of interest, equivalent of the apparatus is received on arrow
When to signal and closing signal of interest relay contact, when cable 2 takes over the power supply of cable 1, the power supply of cable 1 disconnects, but cable 2
Power supply can pour in down a chimney to cable 1, light power on indicator lamp.The purpose of this circuit is exactly to prevent the power supply of cable 2 from pouring in down a chimney, and examination is worked as
When cable 2 is powered, whether cable 1 is powered normally disconnects.
Equivalent equipment leakage stream detects analog circuit as shown in figure 1, the scope of the voltage V between A, B point is U- ＜ on arrow
Vmin＜ V ＜ Vmax＜ U+, VminAnd VmaxThe higher limit and lower limit of voltage criterion between A, B point, concrete numerical value is by specifically should
Determined with system.Drawn by circuitI.e.By taking this project as an example, I, II fraction on arrow
Not Cai Yong two-way bussed supply, be U=29V.So according to expression formulaChoose R1And R2Respectively 4K and 20K resistance composition electricity
Road.Leakage current test point, i.e. voltage acquisition point are designed at 4K resistance both ends, and the ohmically partial pressure is 4.83V, is truly being leaked electricity
Flow within criterion -1V ＜ V ＜ 9.6V.Design turns electrical relay contact and 4K resistor coupled in parallel, when ground sends signal of interest,
Relay contact closure, 4K resistance are short-circuited, and A, B point voltage tester are zero.The design meets time of day on arrow.
As shown in Fig. 2 voltage reversal suppression circuit is realized using diode.By taking this project as an example, simulation patent cable and
The de- cable that pulls out provides 28V voltages.The circuit selects model BZ5D, reverse pressure-resistant 200V, positive rated current 5A diode,
It is positive to pull out connector surface power supply positive electricity point with de- and be connected, negative sense and DC/DC power supplys and simulate power-feed connector and pass through relay
Contact portion.Thus reach suppression dummycable forward direction 28V voltage reversals to pour in down a chimney to the de- purpose for pulling out cable power supply circuit.
Claims (2)
- A kind of 1. highly reliable launch vehicle measurement detection means of carrier rocket, it is characterised in that：Including equivalent equipment leakage stream on arrow Detect equivalent of the apparatus voltage reversal suppression circuit on analog circuit and arrow；Equivalent equipment leakage stream detection analog circuit is to surveying on arrow The drain conditions of launching control system are detected, and equivalent of the apparatus voltage reversal suppression circuit prevents power supply and pours in down a chimney phenomenon on arrow；Equivalent equipment leakage stream detection analog circuit includes resistance R on the arrow1, resistance R2, relay and ground power supply it is positive and negative Bussed supply U；Resistance R1, resistance R2It is carried in after series connection between the positive and negative busbar power supply U of launch vehicle measurement power supply, test point is Resistance R1The magnitude of voltage at both ends, while test point is additionally coupled to the voltage sampling port of voltage detecting circuit in launch vehicle measurement；After Electrical equipment and resistance R1It is in parallel；Equivalent of the apparatus voltage reversal suppression circuit includes power module, diode and relay on the arrow；Ground power supply is powered Powered respectively by two-way cable to power module, power module is connected to by diode all the way, another way connects through relay It is connected to power module；There can only be cable power supply all the way simultaneously；When the power supply all the way with diode, another way relay contact Do not close；When the power supply all the way with relay, relay contact closure；The output end of power module is connected to the first signal Interaction load.
- A kind of 2. highly reliable launch vehicle measurement detection means of carrier rocket according to claim 1, it is characterised in that：It is described Resistance R1With resistance R2Value meet criterion, i.e. resistance R1The voltage at both endsMeet default true electric leakage Flow criterion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229907.4U CN207074241U (en) | 2017-03-09 | 2017-03-09 | A kind of highly reliable launch vehicle measurement detection means of carrier rocket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720229907.4U CN207074241U (en) | 2017-03-09 | 2017-03-09 | A kind of highly reliable launch vehicle measurement detection means of carrier rocket |
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| CN207074241U true CN207074241U (en) | 2018-03-06 |
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| CN201720229907.4U Active CN207074241U (en) | 2017-03-09 | 2017-03-09 | A kind of highly reliable launch vehicle measurement detection means of carrier rocket |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323735A (en) * | 2020-03-03 | 2020-06-23 | 北京中科宇航技术有限公司 | Multi-stage rocket separation electric connector insertion state detection device and rocket thereof |
| CN111933840A (en) * | 2020-06-28 | 2020-11-13 | 上海空间电源研究所 | Novel high-voltage lithium battery pack for carrier rocket |
| CN114777580A (en) * | 2022-04-13 | 2022-07-22 | 东方空间技术(北京)有限公司 | Test method and device of rocket bus switcher and rocket test system |
-
2017
- 2017-03-09 CN CN201720229907.4U patent/CN207074241U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323735A (en) * | 2020-03-03 | 2020-06-23 | 北京中科宇航技术有限公司 | Multi-stage rocket separation electric connector insertion state detection device and rocket thereof |
| CN111933840A (en) * | 2020-06-28 | 2020-11-13 | 上海空间电源研究所 | Novel high-voltage lithium battery pack for carrier rocket |
| CN114777580A (en) * | 2022-04-13 | 2022-07-22 | 东方空间技术(北京)有限公司 | Test method and device of rocket bus switcher and rocket test system |
| CN114777580B (en) * | 2022-04-13 | 2022-09-02 | 东方空间技术(北京)有限公司 | Test method and device of rocket bus switcher and rocket test system |
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