CN212220599U - Starting box tester - Google Patents
Starting box tester Download PDFInfo
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- CN212220599U CN212220599U CN202020344783.6U CN202020344783U CN212220599U CN 212220599 U CN212220599 U CN 212220599U CN 202020344783 U CN202020344783 U CN 202020344783U CN 212220599 U CN212220599 U CN 212220599U
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Abstract
The utility model relates to a start case tester, including quick-witted case and tester circuit, the machine case is integrated configuration, the tester circuit includes tester control circuit, exhaust temperature sensor analog circuit, fault signal ware analog circuit and time sequence control test circuit, time sequence control test circuit is used for the time sequence control test, tester control circuit, exhaust temperature sensor analog circuit and fault signal ware analog circuit are used for starting case tester control and start case, exhaust temperature indicator, fault signal ware's individual detection and system's joint debugging antithetical couplet examination.
Description
Technical Field
The utility model relates to a tester technical field, concretely relates to start case tester especially relates to one kind and is used for realizing that LUN 5271.80 starts case, exhaust temperature indicator, trouble signal ware infield stick and repairs, and the complete survey of technical parameter and the start case tester through the complete set survey.
Background
The model LUN 5271.80 starter box is used to automatically control the full start process of the engine auxiliary power unit based on exhaust temperature and starter speed. In the prior art, a tester of a LUN 5271.80 starting box is used for measuring the working state of a LUN 5271.80 starting box assembled on a Mi series helicopter in an off-position manner, as shown in FIG. 1, the tester comprises an input part of a LUN1385.81 exhaust temperature sensor, a LUN1308-8 rotating speed sensor, a minimum pressure switch of lubricating oil, an output part of a LUN1386.01 exhaust temperature indicator, a fault annunciator, a starter switch-on contactor, a P/N9049800-4 ignition box, a B2-0488 oil fuel pump 10381, a 610200 fuel oil electromagnetic valve, a lubricating oil filter electromagnetic valve, an oil supply valve, a follow-up valve and the like, and an internal field can detect various products of the LUN 5271.80 starting box and the matched exhaust temperature indicator and the fault annunciator to carry out fault isolation. The objective disadvantages of the prior art testers are: only partial performance of the LUN 5271.80 starting box can be detected, complete measurement of technical parameters cannot be completed, and fault judgment of the whole set of product is influenced; at present, the functions of a complete set of test run and test flight verification LUN 5271.80 starting box which take a helicopter as a platform and all components in the complete set are mainly relied on, and specific technical parameter values cannot be tested.
In view of this, a new starting box tester needs to be developed, which can be used for detecting each component of the starting box, the exhaust temperature indicator and the fault annunciator and performing joint debugging joint test of the system, and particularly can realize single repair in the field of the LUN 5271.80 starting box, the exhaust temperature indicator and the fault annunciator, complete measurement of technical parameters, and accurate positioning of faults of each component in the LUN 5271.80 starting box and the matching through complete measurement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a start case tester for the joint debugging antithetical couplet examination of starting case, exhaust temperature indicator, each subassembly singleness of fault signaling device and system is especially used for realizing that LUN 5271.80 starts case, exhaust temperature indicator, fault signaling device infield singleness and repairs, and the complete survey of technical parameter through the complete set survey, can pinpoint the trouble of each subassembly in LUN 5271.80 starts case and supporting.
In order to achieve the above purpose, the present invention adopts the following technical solution.
The utility model discloses a start case tester, including quick-witted case and tester circuit, the machine case is modular structure, the tester circuit includes tester control circuit, exhaust temperature sensor analog circuit, fault signal ware analog circuit and time sequence control test circuit, time sequence control test circuit is used for the time sequence control test, tester control circuit, exhaust temperature sensor analog circuit and fault signal ware analog circuit are used for starting case tester control and start case, exhaust temperature indicator, fault signal ware's individual detection and system's joint debugging antithetical couplet examination.
Preferably, the cabinet of the modular structure includes a main cabinet and a sub-cabinet.
In any of the above technical solutions, preferably, the main chassis includes a test main unit, and the test main unit is connected to the tester control circuit, the exhaust temperature sensor analog circuit, and the fault annunciator analog circuit.
In any of the above technical solutions, preferably, the test main unit includes a dc voltmeter, a dc ammeter, a thermometer, a thermoelectric meter, a function selection switch, and a function plugging terminal.
In any of the above technical solutions, preferably, the function plug terminal includes a starting box interface, a fault annunciator interface, an exhaust temperature meter interface, and a thermocouple interface.
In any of the above technical solutions, preferably, the function selection switch includes a starter switch, an ignition box switch, a fuel electromagnetic valve switch, a fuel pump switch, a fuel electromagnetic valve, a fuel supply valve switch, a follower switch, a 27V power switch, an inspection selection device, a dc power supply adjustment device, a fuel gas temperature overrun adjustment device, and a battery switch.
In any of the above technical solutions, preferably, the test main unit is further provided with an indicator light.
In any of the above technical solutions, preferably, the auxiliary chassis includes a digital timing module, and the digital timing module is connected to the timing control test circuit.
In any of the above technical solutions, preferably, the tester control circuit is connected to and controls the starting box, the fault annunciator analog circuit is connected to the starting box through a fault annunciator interface to perform fault diagnosis, and the exhaust temperature sensor analog circuit is connected to the exhaust temperature indicator to perform fault diagnosis.
In any of the above technical solutions, preferably, the timing control test circuit is connected to the starting box through a non-delay electromagnetic relay to perform the starting box control timing and protection delay test.
Compared with the prior art, the above technical scheme of the utility model following beneficial effect has:
the utility model discloses a start case tester, can start the case, exhaust temperature indicator, the independent detection and the system joint debugging antithetical couplet of trouble annunciator try on, be particularly useful for detecting LUN 5271.80 alone and start the case, LUN1386.01 exhaust temperature indicator, the trouble annunciator, be used for the antithetical couplet of its system antithetical couplet examination simultaneously, the test run of interior scene starting case simulation ground helicopter has been realized, the complete test of test flight technical parameter, the detection of present internal unable independent tester to LUN 5271.80 starting case and supporting subassembly has been solved, can also diagnose the trouble of LUN 5271.80 starting case and supporting each subassembly simultaneously, reduce the maintenance test run of external field helicopter, the number of test flights, promote helicopter rectification maintenance efficiency, the purpose of effective guarantee has been reached.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a prior art test connection diagram of a starter box tester package system.
FIG. 2 is a schematic diagram of a tester control circuit in accordance with a preferred embodiment of the inventive starter box tester;
FIG. 3 is a circuit diagram of a fault annunciator simulation principle in accordance with a preferred embodiment of the start box tester of the present invention;
FIG. 4 is an exhaust temperature sensor simulation principle circuit of a preferred embodiment of a starter box tester according to the present invention;
FIG. 5 is a circuit diagram of the timing control test principle of a preferred embodiment of the starter box tester according to the present invention;
FIG. 6 is a mainframe panel diagram of a preferred embodiment of a starter box tester according to the present invention;
fig. 7 is a diagram of a sub-chassis panel of a preferred embodiment of a starter box tester according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to overcome the problem that starting box singleness test and system complete set survey existed in prior art, the embodiment of the utility model provides a starting box tester can be used to the joint debugging antithetical couplet of each subassembly singleness detection of starting box, exhaust temperature indicator, fault signaling device and system, is particularly used for realizing LUN 5271.80 starting box, exhaust temperature indicator, fault signaling device infield singleness and repairs, and the complete survey of technical parameter, through complete set survey, can pinpoint the trouble of each subassembly in LUN 5271.80 starting box and the supporting.
The LUN 5271.80 starter box, exhaust temperature indicator, field single repair of fault annunciator, complete determination of technical parameters thereof, and starter box tester with complete determination are taken as examples below, and the structure, characteristics, single detection and working principle of complete determination of system of the starter box tester are specifically described with reference to fig. 2 to 7.
The starting box tester described in this embodiment includes a chassis and a tester circuit, and as shown in fig. 6 to 7, the chassis is a combined design structure of a main chassis and a sub chassis.
In the starting box tester of this embodiment, its tester circuit includes tester control circuit, exhaust temperature sensor analog circuit, fault signal ware analog circuit and sequential control test circuit, as shown in fig. 2 to 5, sequential control test circuit is used for the sequential control test, and tester control circuit, exhaust temperature sensor analog circuit and fault signal ware analog circuit are used for starting box tester control and the independent detection and the system joint debugging antithetical couplet of starting box, exhaust temperature indicator, fault signal ware and try on.
In the starting box tester of this embodiment, the main chassis includes a test main unit, and the test main unit is connected with tester control circuit, exhaust temperature sensor analog circuit, fault annunciator analog circuit.
The test main unit of the starting box tester comprises a direct current voltmeter, a direct current ammeter, a thermometer, a thermoelectric meter, a function selection switch and a function plugging end.
In the starting box tester of the embodiment, the functional plugging end comprises a starting box interface, a fault annunciator interface, an exhaust thermometer interface and a thermocouple interface.
In the starting box tester of the embodiment, the function selection switch comprises a starter switch, an ignition box switch, a fuel electromagnetic valve switch, a fuel pump switch, a fuel electromagnetic valve, a fuel supply valve switch, a follow-up switch, a 27V power switch, an inspection selection device, a direct-current power supply adjusting device, a fuel gas temperature overrun adjusting device and a battery switch.
The test main unit of the starting box tester provided by the embodiment is also provided with an indicator lamp.
In the starting box tester of the embodiment, the auxiliary machine box comprises a digital timing module, and the digital timing module is connected with a time sequence control test circuit.
In the starting box tester, the tester control circuit is connected with and controls the starting box, the fault annunciator analog circuit is connected with the starting box through the fault annunciator interface to perform fault diagnosis, and the exhaust temperature sensor analog circuit is connected with the exhaust temperature indicator to perform fault diagnosis.
In the starting box tester of the embodiment, the timing control test circuit is connected with the starting box through the non-delay electromagnetic relay to perform the starting box control timing and protection delay test.
The LUN 5271.80 start-box operating state is a time curve based on the temperature, speed, and speed of the auxiliary power unit combustion chamber, in combination with other switching signals to control the auxiliary power unit state. The LUN 5271.80 start box was described in the background section above, and the LUN 5271.80 start box tester control, fault annunciator, and timing control test schematic shown in fig. 2 was designed by comprehensive analysis based on the LUN 5271.80 start box principle, composition, and model on-board feeder. According to the overall design scheme of the tester, the simulation of the input part is completed by the signal generating unit, and the simulation of the output part is completed by the impedance matching load unit.
An input section: LUN1385.81 exhaust gas temperature sensor, LUN1308-8 speed sensor, minimum pressure oil switch.
An output section: LUN1386.01 exhaust temperature indicator, fault signal device, P/N9049800-4 ignition box, B2-0488 fuel pump 10381 and 610200A fuel electromagnetic valve, oil filter electromagnetic valve, oil supply valve and follow-up valve, as shown in FIG. 3, the connection principle of fault signal device and start box is shown.
Simulation method for the main object: LUN1308-8 tachometer sensor: simulating the rotating speed signal by using a signal generator; exhaust gas temperature sensor LUN1385.81 is shown in FIG. 4: the exhaust temperature signal is regulated and given by adopting a built-in dry battery to ensure that the millivolt signal is stable and reliable, and is monitored by adopting a four-digit semi-digital display meter to ensure that the simulation precision of the exhaust temperature is better than +/-0.24 ℃; fuel pump, fuel solenoid valve, lubricating oil strain solenoid valve, follow-up valve and fuel feeding valve: and designing a simulation load by adopting a load equivalent method, and checking the loading capacity of the starting box.
Simulation for other objects: various relays, temperature sensors and pressure sensors on the periphery of the starting box adopt switch simulation according to the electrical characteristics, and the starting box works as an auxiliary object: the accumulator battery bus bar, the right automatic protection switch 'auxiliary power device starting', the right automatic protection switch 'auxiliary power device power supply', the starting/false starting signal, the stopping/fire alarm signal, the main starting signal and the like are simulated by a direct current power supply, a switch and the like.
The time test is shown in fig. 5: the control time sequence and the protection time delay of the starting box are realized by a non-delay electromagnetic relay and a digital timer, and the test precision is better than +/-0.1 s. In fig. 5, (1) indicates a normally closed contact, (2) indicates a normally open contact, J1 is 6 pairs of switches, and J2 to J7 are 2 pairs of switches, and the timing control test circuit further includes 8 time digital electric stopwatches and 1 operating time digital electric stopwatch.
The design of the electrical structure includes: the power supply and the tester have an external power interface specification of 220V/50Hz, and an AC/DC (27V) power conversion module and an AC/DC (5V) power conversion module are arranged in the tester. The 27V power supply regulation range is not less than (24-29) VDC, so that the device has a product power supply voltage fluctuation adaptability test function.
The design of the tester body structure comprises: the tester is formed by combining 2 cases, the main case is a testing main unit as shown in figure 6, the auxiliary case is a digital timer module as shown in figure 7, the combined design is convenient for public utilization of the digital timer, and the use benefit of the device is improved.
The starting box tester of the embodiment simulates the cross-linking condition and the using state on the helicopter, is used for independently detecting the LUN 5271.80 starting box, the LUN1386.01 exhaust temperature indicator and the fault annunciator, and can also be used for the cross-debugging cross-linking test of the system, thereby realizing the complete test of the test run and test flight technical parameters of the simulation ground helicopter of the internal field starting box, solving the problem that the prior independent tester can not detect the LUN 5271.80 starting box and the matched components at home, simultaneously diagnosing the faults of the LUN 5271.80 starting box and the components in the matched box, reducing the times of the maintenance test run and test flight of the external field helicopter, improving the rectification and maintenance efficiency of the helicopter, and achieving the purpose of effective guarantee.
The above description is only intended to describe the preferred embodiments of the present invention, and not to limit the scope of the present invention; the above description is only a specific embodiment of the present invention, and is not intended to limit the scope of the present invention; without departing from the spirit of the present invention, any modification, equivalent replacement, or improvement made by the technical solution of the present invention by those of ordinary skill in the art should fall within the protection scope defined by the claims of the present invention.
Claims (10)
1. A kind of starting box tester, including chassis and tester circuit, characterized by that: the case is of a combined structure, the tester circuit comprises a tester control circuit, an exhaust temperature sensor simulation circuit, a fault annunciator simulation circuit and a time sequence control test circuit, the time sequence control test circuit is used for time sequence control test, and the tester control circuit, the exhaust temperature sensor simulation circuit and the fault annunciator simulation circuit are used for starting box tester control and separate detection and system joint debugging joint test of a starting box, an exhaust temperature indicator and a fault annunciator.
2. A starter box tester as claimed in claim 1, wherein: the case of the combined structure comprises a main case and an auxiliary case.
3. A starter box tester as claimed in claim 2, wherein: the mainframe box comprises a test main body unit, and the test main body unit is connected with a tester control circuit, an exhaust temperature sensor simulation circuit and a fault annunciator simulation circuit.
4. A starter box tester as claimed in claim 3, wherein: the test main body unit comprises a direct current voltmeter, a direct current ammeter, a thermometer, a thermoelectric potential meter, a function selection switch and a function plugging end.
5. A starter box tester as claimed in claim 4, wherein: the function plug-in terminal comprises a starting box interface, a fault annunciator interface, an exhaust thermometer interface and a thermocouple interface.
6. A starter box tester as claimed in claim 4, wherein: the function selection switch comprises a starter switch, an ignition box switch, a fuel electromagnetic valve switch, a fuel pump switch, a lubricating oil electromagnetic valve, a fuel supply valve switch, a follow-up switch, a 27V power switch, an inspection selection device, a direct-current power supply adjusting device, a fuel gas temperature overrun adjusting device and a battery switch.
7. A starter box tester as claimed in claim 4, wherein: the test main body unit is also provided with an indicator light.
8. A starter box tester as claimed in claim 2, wherein: the auxiliary case comprises a digital timing module, and the digital timing module is connected with the sequential control test circuit.
9. A starter box tester as claimed in claim 1, wherein: the tester control circuit is connected with and controls the starting box, the fault annunciator simulation circuit is connected with the starting box through the fault annunciator interface to perform fault diagnosis, and the exhaust temperature sensor simulation circuit is connected with the exhaust temperature indicator to perform fault diagnosis.
10. A starter box tester as claimed in claim 1, wherein: the time sequence control test circuit is connected with the starting box through the non-delay electromagnetic relay to perform starting box control time sequence and protection delay test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020344783.6U CN212220599U (en) | 2020-03-18 | 2020-03-18 | Starting box tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020344783.6U CN212220599U (en) | 2020-03-18 | 2020-03-18 | Starting box tester |
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| CN212220599U true CN212220599U (en) | 2020-12-25 |
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| CN202020344783.6U Active CN212220599U (en) | 2020-03-18 | 2020-03-18 | Starting box tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990819A (en) * | 2023-09-27 | 2023-11-03 | 成都国营锦江机器厂 | Anti-collision radar starting detection protection method, system and device |
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2020
- 2020-03-18 CN CN202020344783.6U patent/CN212220599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990819A (en) * | 2023-09-27 | 2023-11-03 | 成都国营锦江机器厂 | Anti-collision radar starting detection protection method, system and device |
| CN116990819B (en) * | 2023-09-27 | 2023-12-15 | 成都国营锦江机器厂 | Anti-collision radar starting detection protection method, system and device |
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