CN108008292A - A kind of magnetic latching relay ageing detection automatics and automatic testing method - Google Patents
A kind of magnetic latching relay ageing detection automatics and automatic testing method Download PDFInfo
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- CN108008292A CN108008292A CN201711204992.XA CN201711204992A CN108008292A CN 108008292 A CN108008292 A CN 108008292A CN 201711204992 A CN201711204992 A CN 201711204992A CN 108008292 A CN108008292 A CN 108008292A
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- relay
- magnetic latching
- latching relay
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- open command
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a kind of magnetic latching relay ageing to detect automatics, including:Communication interface, power supply module, relay go code module, relay open command module, telemetry module, external interface and PC machine;The PC machine is connected with the communication interface, go code module, relay open command module, one end of telemetry module of the power supply module, relay is connected with the communication interface, the other end is connected with the external interface, and the external interface is connected with magnetic latching relay to be tested;The device can carry out relay fast, accurately ageing and test, and foundation is provided for relay quality and fail-safe analysis, solve traditional relay ageing detection heavy workload, avoid the drawbacks of artificially error and missing data.The invention also discloses a kind of magnetic latching relay ageing at the same time to detect automatic testing method, this method automatic running, reliability height.
Description
Technical field
The present invention relates to relay test technical field, more particularly to a kind of magnetic latching relay ageing detection automatics
And automatic testing method.
Background technology
Relay is a kind of electric control device, is usually applied in automation control circuit, is that one kind is gone with low current
The automatic switch of high current running is controlled, plays the role of automatic adjustment, detection, safeguard protection etc. in circuit.
With the development of science and technology, the species of relay is also more and more, is widely used in automatic control system, distant
Telemetry system, power protection system and communication system are controlled, particularly in space flight and aviation, military affairs and related automation equipment
Effect it is increasing.Its reliability directly affects the reliability of whole system, particularly applies in space flight and aviation, military equipment
On relay.
Realize the function of adding power-off to control to primary power source or secondary power supply using relay more in space industry.Mainly
The relay used has electromagnetic relay, solid-state relay and magnetic latching relay.Wherein, magnetic latching relay is touched with its pulse
The advantages of hair keeps work, stand-by power consumption is small is used widely.
In recent years, magnetic latching relay contact adhesion, the problem of causing relay contact not separate normally, which causes, to be set
Count the extensive concern of teacher.In order to ensure the quality of relay and reliability, it is necessary to carry out ageing survey to the parameters of relay
Examination.The relay parameter ageing test of early stage uses discrete instrument, and great work intensity, efficiency are low.Therefore, traditional test hand
Section has been not suitable with the demand of relay contact analog control system.
Therefore, the ageing means of testing of magnetic latching relay is improved by necessity.
The content of the invention
It is an object of the invention to provide a kind of magnetic latching relay ageing to detect automatics and automatic testing method, with
Realize the automatic ageing test of magnetic latching relay.
In order to solve the above-mentioned technical problem, present invention employs following technical solution:
A kind of magnetic latching relay ageing detects automatics, including:Communication interface, power supply module, relay, which are connected, to be referred to
Make module, relay open command module, telemetry module, external interface and PC machine;The PC machine connects with the communication interface
Connect, the power supply module, relay go code module, relay open command module, telemetry module one end with it is described logical
Communication interface connects, and the other end is connected with the external interface, and the external interface is connected with magnetic latching relay to be tested;Its
In:
The PC machine is used for the on-load voltage parameter, pulse width parameter that goes code, the interval time parameter that goes code, disconnected
Command pulse width parameter, open command interval time parameter, testing time are opened, and is transferred to the communication interface;
The communication interface is used to the voltage parameter being transferred to the power supply module, and the pulse that goes code is wide
Degree parameter, the interval time parameter that goes code are transferred to the relay and go code module, and the open command pulse is wide
Degree parameter, open command interval time parameter are transferred to the relay open command module;
The power supply module produces relay working voltage VCC according to the voltage parameter received;
The relay go code module go code according to receiving pulse width parameter and connect refer to
Interval time parameter is made periodically to produce the pulse that goes code;
The relay open command module refers to according to the open command pulse width parameter and disconnection that receive
Interval time parameter is made periodically to produce open command pulse;
The relay working voltage VCC, the pulse that goes code, open command pulse are transferred to the external interface, by
The external interface is transferred to magnetic latching relay to be tested, and the magnetic latching relay to be tested is according to the arteries and veins that goes code
Punching, open command pulse are switched on and off;
The output terminal of the magnetic latching relay to be tested exports a telemetry value to the external interface in real time, described right
The telemetry value is transferred to the telemetry module by external tapping, and the telemetry module obtains after analog-to-digital conversion process is carried out to telemetry value
The PC machine is transferred to a remote measurement voltage and by the communication interface, the PC machine is joined according to the remote measurement voltage, voltage
Working status residing for several and to be tested magnetic latching relays judges to detect whether correctly, and the PC machine is in detection
Number stops detection when reaching testing time.
In one embodiment of the invention, the communication interface is USB2.0.
In one embodiment of the invention, the PC machine is according to the remote measurement voltage, voltage parameter and to be tested
Working status residing for magnetic latching relay judges to detect whether:It is in and connects in the magnetic latching relay of test
Under state, if the difference between remote measurement voltage and voltage parameter in ± 0.5V, judges that detection is correct;Kept in the magnetic of test
Relay is off down, if the difference between remote measurement voltage and 0V in ± 0.5V, judges that detection is correct;Otherwise sentence
Disconnected detection mistake.
A kind of magnetic latching relay ageing detects automatic testing method, comprises the following steps:
S1:On-load voltage parameter, the pulse width parameter that goes code are set by PC machine, the interval time that goes code joins
Number, open command pulse width parameter, open command interval time parameter, testing time;
S2:Perform relay to go code, connect magnetic latching relay to be tested;
S3:Perform relay and connect remote measurement interpretation, if the remote measurement voltage and voltage parameter of magnetic latching relay to be tested
Difference in ± 0.5V, then interpretation is correct, enters step S4;Otherwise interpretation mistake, enters step S7;
S4:Relay open command is performed, disconnects magnetic latching relay to be tested;
S5:Perform relay and disconnect remote measurement interpretation, if the remote measurement voltage of magnetic latching relay to be tested is in 0 ± 0.5V
Interior, then interpretation is correct, enters step S6;Otherwise interpretation mistake, enters step S7;
S6:Ageing detection number interpretation is performed, ageing detection number adds 1 automatically, and whether interpretation reaches the test of setting
Number, if then entering step S7, otherwise return to step S2;
S7:Terminate ageing detection.
In one embodiment of the invention, the step S2 is specially:One relay goes code module according to connection
Command pulse width parameter, the interval time parameter that goes code are produced and gone code, and are sent to magnetic to be tested and are kept relay
Device, is turned on.
In one embodiment of the invention, the step S3 is specially:The magnetic that telemetry module receives test keeps relay
The telemetry value of device, obtains a remote measurement voltage after carrying out analog-to-digital conversion process and is transferred to the PC machine, the PC machine is according to
Remote measurement voltage judges to detect whether correct with voltage parameter.
In one embodiment of the invention, the step S4 is specially:One relay open command module is according to disconnection
Command pulse width parameter, open command interval time parameter produce open command, and are sent to magnetic to be tested and keep relay
Device, makes its disconnection.
In one embodiment of the invention, the step S5 is specially:The magnetic that telemetry module receives test keeps relay
The telemetry value of device, obtains a remote measurement voltage after carrying out analog-to-digital conversion process and is transferred to the PC machine, the PC machine is according to
Remote measurement voltage judges to detect whether correct with no-voltage.
In one embodiment of the invention, the step S7 is prompted while ageing detection is terminated, if ageing
Detection number reaches setting value, then prompting " detection number reaches setting value, tests normal termination ", and otherwise prompting " detects
It is wrong ".
The present invention is due to using above technical scheme, being allowed to compared with prior art, have the following advantages that and actively imitate
Fruit:
1) the magnetic latching relay ageing detection automatics of offer of the invention can realize the detection of relay ageing
Automatic test, improves testing efficiency, reduces working strength.And the device can automatically save relay ageing detection process
In test data, avoid human error, improve the integrality, controllability and trackability of test data, improve data analysis
Accuracy.
Brief description of the drawings
Fig. 1 is to realize a kind of structure diagram of magnetic latching relay ageing detection automatics of the present invention;
Fig. 2 is the connection block diagram of automatic detection device and relay in the present invention;
Fig. 3 is the software design patterns interface block diagram in PC machine of the present invention.
Symbol description:
VCC- relay working voltages, YKON- go code, YKOFF- open commands, AD-in- telemetry values, and 1,2- first
The fixing end of switch, the movable end of 3- first switches, the positive voltage terminal of 4- first coils, the command end of 5- first coils, 6,7-
The fixing end of second switch, the movable end of 8- second switches, the positive voltage terminal of 9- first coils, the command end of the second coils of 10-.
Operating voltage VCC loads positive voltage terminal 4, the positive voltage terminal 9, first of first coil in the first coil of relay
Movable end 3, the movable end of second switch 8 of switch, the pulse YKON that goes code load the command end 5 in first coil, disconnect
Command pulse YKOFF loads the command end 10 in the second coil, and first switch has two fixing ends 1,2, and second switch has
Two fixing ends 7,6, select fixing end 1,7 to export telemetry value AD in this example-In (can certainly select two other solid
Fixed end 2,6 exports telemetry value AD-in)。
Embodiment
Below in conjunction with the drawings and specific embodiments to magnetic latching relay ageing proposed by the present invention detect automatics and
Automatic testing method is described in further detail.According to following explanation and claims, advantages and features of the invention will more
It is clear.It should be noted that attached drawing use using very simplified form and non-accurate ratio, convenience, apparent is only used for
Ground aids in illustrating the purpose of the embodiment of the present invention.
Please refer to Fig.1, as shown in Figure 1, magnetic latching relay ageing provided in an embodiment of the present invention detects automatics bag
Include:Communication interface, power supply module, relay go code module, relay open command module, telemetry module, external interface
And PC machine;The PC machine is connected with the communication interface, and go code module, relay of the power supply module, relay breaks
Open instruction module, one end of telemetry module is connected with the communication interface, the other end is connected with the external interface, it is described externally
Interface is connected with magnetic latching relay to be tested;Wherein:
The PC machine is used for the on-load voltage parameter, pulse width parameter that goes code, the interval time parameter that goes code, disconnected
Command pulse width parameter, open command interval time parameter, testing time are opened, and is transferred to the communication interface;
The communication interface is used to the voltage parameter being transferred to the power supply module, and the pulse that goes code is wide
Degree parameter, the interval time parameter that goes code are transferred to the relay and go code module, and the open command pulse is wide
Degree parameter, open command interval time parameter are transferred to the relay open command module;
The power supply module produces relay working voltage VCC according to the voltage parameter received;
The relay go code module go code according to receiving pulse width parameter and connect refer to
Interval time parameter is made periodically to produce the pulse YKON that goes code;
The relay open command module refers to according to the open command pulse width parameter and disconnection that receive
Interval time parameter is made periodically to produce open command pulse YKOFF;
The relay working voltage VCC, the pulse YKON that goes code, that open command pulse YKOFF is transferred to is described right
External tapping, is transferred to magnetic latching relay to be tested by the external interface, the magnetic latching relay to be tested according to
Go code pulse YKON, open command pulse YKOFF is switched on and off;
The output terminal of the magnetic latching relay to be tested exports a telemetry value AD in real time-In gives the external interface,
The external interface is by the telemetry value AD-In is transferred to the telemetry module, and the telemetry module is to telemetry value AD-In is carried out
A remote measurement voltage is obtained after analog-to-digital conversion process and the PC machine is transferred to by the communication interface, the PC machine is according to
Residing for remote measurement voltage, voltage parameter VCC (voltage parameter is equal with operating voltage VCC) and magnetic latching relay to be tested
Working status judges to detect whether correctly, and the PC machine stops detection when the number of detection reaches testing time.Specifically
Ground, working status of the PC machine according to residing for the remote measurement voltage, voltage parameter and magnetic latching relay to be tested are sentenced
It is disconnected to detect whether correctly specially:Test magnetic latching relay in an ON state under, if remote measurement voltage and voltage parameter
Between difference in ± 0.5V, then judge that detection is correct;In the case where the magnetic latching relay of test is off, if remote measurement
Difference between voltage and 0V then judges that detection is correct in ± 0.5V;Otherwise detection mistake is judged.
Specifically, the communication interface is USB2.0.
Please refer to Fig.2, as shown in Fig. 2, magnetic latching relay ageing detection automatics and the magnetic of test to be tested are protected
Holding the signal loading mode of relay for example can be:Operating voltage VCC loads the positive voltage terminal in the first coil of relay
4th, the positive voltage terminal 9 of first coil, the movable end 3 of first switch, the movable end of second switch 8, the pulse YKON that goes code add
The command end 5 of first coil is loaded in, open command pulse YKOFF loads the command end 10 in the second coil, and first switch has
Two fixing ends 1,2, second switch have two fixing ends 7,6, select fixing end 1,7 to export telemetry value AD in this example-
In (can certainly select two other fixing end 2,6 output telemetry value AD-in)。
Ageing detection automatic testing method is carried out including following using above-mentioned magnetic latching relay ageing detection automatics
Step:
S1:On-load voltage parameter, the pulse width parameter that goes code are set by PC machine, the interval time that goes code joins
Number, open command pulse width parameter, open command interval time parameter, testing time;Wherein, it is soft that detection is loaded with PC machine
Part, the parameter setting interface of inspection software go code pulse width as 80ms as shown in figure 3, can for example set relay, after
Electric appliance open command pulse width is 80ms, and relay goes code at intervals of 1s, and relay open command is at intervals of 1s, ageing
It is 1000 times to detect number, while clicks on start button and start ageing test, stops testing if stop key is clicked on;
S2:Perform relay to go code, connect magnetic latching relay to be tested;Specially:One relay is connected
Instruction module is produced and gone code, and be sent to and treat according to the pulse width parameter that goes code, the interval time parameter that goes code
The magnetic latching relay of test, is turned on;
S3:Perform relay and connect remote measurement interpretation, if the remote measurement voltage and voltage parameter of magnetic latching relay to be tested
Difference in ± 0.5V, then interpretation is correct, enters step S4;Otherwise interpretation mistake, enters step S7;Specially:Remote measurement mould
Block receives the telemetry value of the magnetic latching relay of test, obtains a remote measurement voltage after carrying out analog-to-digital conversion process and is transferred to described
PC machine, the PC machine judge to detect whether correct according to the remote measurement voltage and voltage parameter;
S4:Relay open command is performed, disconnects magnetic latching relay to be tested;Specially:One relay disconnects
Instruction module produces open command, and is sent to and treats according to open command pulse width parameter, open command interval time parameter
The magnetic latching relay of test, makes its disconnection;
S5:Perform relay and disconnect remote measurement interpretation, if the remote measurement voltage of magnetic latching relay to be tested is in 0 ± 0.5V
Interior, then interpretation is correct, enters step S6;Otherwise interpretation mistake, enters step S7;Specially:Telemetry module receives the magnetic of test
The telemetry value of guard relay, obtains a remote measurement voltage after carrying out analog-to-digital conversion process and is transferred to the PC machine, the PC machine
Judge to detect whether according to the remote measurement voltage and no-voltage correct;
S6:Ageing detection number interpretation is performed, ageing detection number adds 1 automatically, and whether interpretation reaches the test of setting
Number, if then entering step S7, otherwise return to step S2;
S7:Terminate ageing detection, it is preferred that being prompted while ageing detection is terminated, if ageing detection time
Number reaches setting value, then prompting " detection number reaches setting value, tests normal termination ", otherwise prompting " detection error ".
Obviously, those skilled in the art can carry out invention spirit of the various modification and variations without departing from the present invention
And scope.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to comprising including these modification and variations.
Claims (9)
1. a kind of magnetic latching relay ageing detects automatics, it is characterised in that including:Communication interface, power supply module, relay
Device goes code module, relay open command module, telemetry module, external interface and PC machine;The PC machine is led to described
Communication interface connects, and the power supply module, relay go code module, relay open command module, one end of telemetry module
It is connected with the communication interface, the other end is connected with the external interface, and the external interface keeps relay with magnetic to be tested
Device connects;Wherein:
The PC machine refers to for on-load voltage parameter, the pulse width parameter that goes code, the interval time parameter that goes code, disconnection
Pulse width parameter, open command interval time parameter, testing time are made, and is transferred to the communication interface;
The communication interface is used to the voltage parameter being transferred to the power supply module, by the pulse width ginseng that goes code
Number, the interval time parameter that goes code are transferred to the relay and go code module, and the open command pulse width is joined
Number, open command interval time parameter are transferred to the relay open command module;
The power supply module produces relay working voltage VCC according to the voltage parameter received;
The relay module that goes code goes code pulse width parameter and between going code according to receiving
The pulse that goes code periodically is produced every time parameter;
The relay open command module is according between the open command pulse width parameter and open command received
Open command pulse is periodically produced every time parameter;
The relay working voltage VCC, the pulse that goes code, open command pulse are transferred to the external interface, by described
External interface is transferred to magnetic latching relay to be tested, the magnetic latching relay to be tested according to the pulse that goes code,
Open command pulse is switched on and off;
The output terminal of the magnetic latching relay to be tested exports a telemetry value to the external interface in real time, described to external
The telemetry value is transferred to the telemetry module by mouth, and the telemetry module obtains one after carrying out analog-to-digital conversion process to telemetry value
Remote measurement voltage is simultaneously transferred to the PC machine by the communication interface, the PC machine according to the remote measurement voltage, voltage parameter with
And the working status residing for magnetic latching relay to be tested judges to detect whether correctly, and the PC machine is in the number of detection
Stop detection when reaching testing time.
2. magnetic latching relay ageing as claimed in claim 1 detects automatics, it is characterised in that the communication interface is
USB2.0。
3. magnetic latching relay ageing as claimed in claim 1 detects automatics, it is characterised in that the PC machine is according to institute
The working status residing for remote measurement voltage, voltage parameter and magnetic latching relay to be tested is stated to judge to detect whether correctly specifically
For:Test magnetic latching relay in an ON state under, if the difference between remote measurement voltage and voltage parameter is in ± 0.5V
It is interior, then judge that detection is correct;In the case where the magnetic latching relay of test is off, if the difference between remote measurement voltage and 0V
In ± 0.5V, then judge that detection is correct;Otherwise detection mistake is judged.
4. a kind of magnetic latching relay ageing detects automatic testing method, it is characterised in that comprises the following steps:
S1:The on-load voltage parameter, pulse width parameter that goes code, the interval time parameter that goes code, disconnected is set by PC machine
Open command pulse width parameter, open command interval time parameter, testing time;
S2:Perform relay to go code, connect magnetic latching relay to be tested;
S3:Perform relay and connect remote measurement interpretation, if the remote measurement voltage of magnetic latching relay to be tested and the difference of voltage parameter
For value in ± 0.5V, then interpretation is correct, enters step S4;Otherwise interpretation mistake, enters step S7;
S4:Relay open command is performed, disconnects magnetic latching relay to be tested;
S5:Perform relay disconnect remote measurement interpretation, if the remote measurement voltage of magnetic latching relay to be tested in 0 ± 0.5V,
Interpretation is correct, enters step S6;Otherwise interpretation mistake, enters step S7;
S6:Ageing detection number interpretation is performed, ageing detection number adds 1 automatically, and whether interpretation reaches the testing time of setting,
If then entering step S7, otherwise return to step S2;
S7:Terminate ageing detection.
5. magnetic latching relay ageing as claimed in claim 4 detects automatic testing method, it is characterised in that the step S2
Specially:One relay goes code module according to the pulse width parameter that goes code, the interval time parameter that goes code generation
Go code, and be sent to magnetic latching relay to be tested, be turned on.
6. magnetic latching relay ageing as claimed in claim 4 detects automatic testing method, it is characterised in that the step S3
Specially:Telemetry module receives the telemetry value of the magnetic latching relay of test, and remote measurement electricity is obtained after carrying out analog-to-digital conversion process
Press and be transferred to the PC machine, the PC machine judges to detect whether correct according to the remote measurement voltage and voltage parameter.
7. magnetic latching relay ageing as claimed in claim 4 detects automatic testing method, it is characterised in that the step S4
Specially:One relay open command module is produced according to open command pulse width parameter, open command interval time parameter
Open command, and magnetic latching relay to be tested is sent to, make its disconnection.
8. magnetic latching relay ageing as claimed in claim 4 detects automatic testing method, it is characterised in that the step S5
Specially:Telemetry module receives the telemetry value of the magnetic latching relay of test, and remote measurement electricity is obtained after carrying out analog-to-digital conversion process
Press and be transferred to the PC machine, the PC machine judges to detect whether correct according to the remote measurement voltage and no-voltage.
9. magnetic latching relay ageing as claimed in claim 4 detects automatic testing method, it is characterised in that the step S7
Prompted while ageing detection is terminated, if ageing detection number reaches setting value, " detection number, which reaches, to be set for prompting
Value, tests normal termination ", otherwise prompting " detection error ".
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CN107290659A (en) * | 2017-07-27 | 2017-10-24 | 南京天溯自动化控制系统有限公司 | The apparatus and method that a kind of magnetic latching relay is detected without auxiliary contact break-make |
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Application publication date: 20180508 |