CN206505159U - The test device of safety type relay - Google Patents
The test device of safety type relay Download PDFInfo
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- CN206505159U CN206505159U CN201621078346.4U CN201621078346U CN206505159U CN 206505159 U CN206505159 U CN 206505159U CN 201621078346 U CN201621078346 U CN 201621078346U CN 206505159 U CN206505159 U CN 206505159U
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Abstract
The utility model provides a kind of test device of safety type relay, when Qi Du is tested, by changing the voltage provided to relay coil, make relay energized or release, whether the instantaneous neat degree that respective leds are lighted or extinguished when observing four groups of normally opened contacts closure or disconnecting consistent, and two groups of normally-closed contacts of observation when being opened or closed respective leds extinguish or light it is instantaneous it is neat spend it is whether consistent.When contact resistance is measured, switched by knob selecting switch, the contact of the corresponding light emitting diode of each contact portion of relay is connected with ohmmeter respectively, the resistance of connected contact resistance is read by ohmmeter.The utility model can also carry out the tests such as coil resistance, maximum release voltage, minimum, realize the reliable detection to the grade safety relays of Hoz 462, the means of testing for finding out failure cause is provided for circuit operator on duty, and possibility is provided for the maintenance in the future to such relay.
Description
Technical field
The utility model is related to a kind of test device of safety type relay, it is adaptable to Hoz-462 safety type relays
Test.
Background technology
Safety type relay（relay）It is a kind of electric control device, is to work as input quantity（Energizing quantity）Change reach regulation
It is required that when, controlled volume is occurred a kind of electrical equipment of predetermined Spline smoothing in electric output circuit, it have control system and
By the interactive relationship between control system.At present, the Hoz-462 safety type relays of German Heng Shile productions are mainly used in city
The operation of city's rail line determines track circuit sender using upper by the safety type relay installed in machine cage rear
To, and undertake the function that external equipment and transmission in junction chamber receive signal.
Due to lacking suitable test device, current circuit operator on duty lacks reliable test to the safety type relay
Means, failure cause fails to understand that scrappage is higher.For such situation, it is badly in need of making corresponding relay test-device, to beat
This technical barrier is opened, on the basis of detection means is ensured, maintenance is attempted and extends its service life.
Utility model content
The problem of to solve the current shortage reliable means of testing to safety type relays such as Hoz-462, the utility model is carried
For a kind of test device of safety type relay.
In order to achieve the above object, the utility model provides a kind of test device of safety type relay, comprising：Power back
Road, it is connected with neat degree measure loop, and access has the coil of relay in the current supply circuit；
First switch；The closure state or off-state of first switch, it is each corresponding to make the current supply circuit and power supply electricity
Source is connected or disconnected state；The current supply circuit connected with power supply, is the coil of relay, neat degree measure loop difference
Power supply；
The neat degree that second switch is set shows the closure state of gear, is obtained with the neat degree measure loop from current supply circuit
The state of neat degree test job power supply is corresponding；
The neat degree measure loop is provided with two groups of light emitting diodes, wherein first group of multiple light emitting diodes and relay
One group of normally-closed contact correspondence of device is connected；Second group of multiple light emitting diodes are corresponding with one group of normally opened contact of relay to be connected
Connect；
The current supply circuit is provided with pressure regulator, to change the voltage that current supply circuit is provided to relay coil so that after
Electrical equipment is closed by normally opened contact in the case where picking up or discharging or disconnects controlling second group of light emitting diode to light or put out
Go out, and be opened or closed to control first group of light emitting diode to extinguish or light by normally-closed contact.
Preferably, the current supply circuit is also connected with ohmmeter measure loop, and the current supply circuit connected with power supply
Further powered for the ohmmeter in ohmmeter measure loop；
The second switch also has resistance measurement gear；The neat degree of second switch shows that gear is closure and resistance measurement
Gear is the state disconnected, relative with the state that the neat degree measure loop obtains neat degree test job power supply from current supply circuit
Should；The neat degree of second switch shows that gear is disconnection and resistance measurement gear is the state closed, is detected back with the ohmmeter
The state that road obtains resistance measurement working power from current supply circuit is corresponding；
The ohmmeter connects through the second switch that resistance measurement gear is closure state with the input of one the 3rd switch
Connect；3rd switch switches in multiple contact resistances detection gear, and the output end and the neat degree for making the 3rd switch are examined
Survey time road multiple contacts among a contact connection, to read the resistance of connected contact resistance by ohmmeter；It is many
Individual contact includes the contact of first group of light emitting diode connection corresponding with normally-closed contact, and second group of light emitting diode with it is normally opened
The contact of contact correspondence connection.
Preferably, the coil of the relay and it is connected to voltmeter；The current supply circuit connected with power supply, is also the electricity
Pressure table is powered；
The voltage of pressure regulator output is from the state that gradually increases is zero to, with relay energized, second group luminous two
The state that pole pipe is lighted is corresponding；
In the case of relay energized, the state that the voltage that the pressure regulator is exported is gradually reduced discharges with relay,
The state that second group of light emitting diode extinguishes and first group of light emitting diode is lighted is corresponding, and shows relay with the voltmeter
The state of device maximum release voltage is corresponding；
The voltage of pressure regulator output extinguishes and the from the state that is gradually reduced is zero to first group of light emitting diode
The state that two groups of light emitting diodes are lighted is corresponding, and corresponding with the state that voltmeter display relay minimum picks up voltage.
Preferably, make in the case that current supply circuit do not connect with power supply, to adjust by the first switch of off-state
Universal meter to resistance measurement gear is attempted by the coil two ends of relay, and the resistance of coil resistance is shown by universal meter.
Preferably, the relay is Hoz-462 safety type relays.
Preferably, the relay makes the coil of relay access current supply circuit by inserting testing base；The power supply
Loop is connected provided with power outlet with power supply, also by the pressure regulator, transformer, bridge rectifier of setting come with relay
Coil connection.
Preferably, the voltmeter is HF5135A-220V types；The ohmmeter is the type of MYPIN-0 ~ 9.99.
Preferably, the neat degree test job power supply is 12V；The resistance measurement working power is 5V.
Compared with prior art, the beneficial effects of the utility model are：The utility model can be realized to the safety such as Hoz-462
The reliable detection of relay, the means of testing for finding out failure cause is provided for circuit operator on duty, and in the future to such relay
The maintenance of device is provided may.Whereby it can be found that the common failure problems of safety type relay, overhaul to extend this targeted specifically
The service life of class relay, improves the operation security of subway line, with good social and economic benefit.
Brief description of the drawings
Fig. 1 is the module frame chart of test device described in the utility model；
Fig. 2 is the testing process schematic diagram of test device described in the utility model；
Fig. 3 is the principle schematic diagram of test device described in the utility model.
Embodiment
The utility model is described in further detail with specific implementation method below in conjunction with the accompanying drawings：
As shown in figure 1, test device described in the utility model, including：Control and test module, power module, direct current
Test module, data display unit；Wherein, the DC test module is controlled and test module, data display with described respectively
Unit is connected；The power module is respectively that DC test module, data display unit are powered.The control and test mould
Block, according to corresponding test event, to control the corresponding operation of other modules in test process.
Coordinate referring to shown in Fig. 2, Fig. 3, by test device of the present utility model, electrical characteristics test can be carried out, connect
Point resistance test and Qi Du tests, measure the coil resistances of Hoz-462 safety type relays, contact resistance, maximum release voltage,
Minimum and neat degree, are shown to test data by data display unit, reference record are carried out according to display data.
Testing base of the DC test module comprising relay, DC test connecting line, pressure regulator, 220V/12V become
Depressor, bridge rectifier.
The data display unit includes voltmeter, ohmmeter, 12V indicator lamps, six LEDs.Preferably, the voltage
Table is HF5135A-220V；The ohmmeter is MYPIN-0 ~ 9.99, and its degree of accuracy is better than 0.1%.
The power module includes power outlet, 5v Switching Power Supplies, 12v Switching Power Supplies.
Wherein, the AC220V power supplys of power outlet input, are protected, power control switch K1 is controlled, and is connected to tune through fuse
By 0 ~ 12V of isolating transformer secondary output exchange after the input of depressor, 0 ~ 220V of pressure regulation, rectified rear output direct current 0 ~
12V, it is ensured that the stabilization of each test cell power supply supply.
Power supply indicator, 5V Switching Power Supplies, 12V Switching Power Supplies, by switch K1 controls, A/ that is respective and being connected to power outlet
N1 two ends.Wherein, whether power supply indicator, the power supply for embodying the test device connects, and lights, breaks during switch K1 closures
Extinguish when opening.
Relay to be measured is inserted into after testing base, and the coil J of relay two ends are directly connected to bridge by electric wire
Formula rectifier, is controlled to power by relay coil J of the A/N1 two ends for the socket that switches on power by K1.
One is set to switch K2, for controlling the working power break-make of neat degree measure loop, and control ohmmeter measure loop
Working power it is open close, through K2 switching the two measure loops is selected a connection.12V Switching Power Supplies are by switch K2 controls, with 12V
Indicator lamp and six LED connections.The working power that the output of 12V Switching Power Supplies is lighted as supply six lamps of LED；Utilize
12V indicator lamps, to embody working power connection situation.
Wherein, two LEDs connection corresponding with two groups of normally-closed contacts of relay；Four additional LED and relay
Four groups of normally opened contact correspondences are connected, and this four LEDs can be made different from the color of the first two LED to show difference.Carry out neat
During degree test, during relay energized and release, four red lights of LED3 ~ LED6 on counter plate are instantaneously lighted and extinguished
It is whether consistent, and LED1 is instantaneously lighted with LED2 two green lights and whether extinguishing is consistent, is observed.
5V Switching Power Supplies are connected with ohmmeter, are connected by switch K2 controls with the selecting switch K3 of a knob, by switching
K3 switches in six gears, and one among six contacts that need to carry out contact resistance test is connected to selection.Switch K3
Six gears, circuit is connected to the above-mentioned two groups of normally-closed contact a b of relay and four groups of normally opened contact c d e f and respective LED
The position of lamp correspondence connection.5V Switching Power Supplies are also connected with voltmeter in addition, can be used to power for voltmeter.The utility model is not
Fig. 3 circuit connecting section is limited in, other electronic circuits being had been widely used using prior art are no longer provided in detail to this
Description.
Test device described in the utility model is detected, true when carrying out coil resistance measurement by high-precision universal meter
Determine the power-off of test device（K1 disconnects）In the case of, universal meter is adjusted to resistance measurement gear, table rod is inserted into relay
Device coil J two ends are sampled, the size of sense coil resistance directly from table（That is resistance target resistance）, it is accurate to 0.1
Ω。
Test device described in the utility model is when carrying out contact resistance measurement, using high-precision ohmmeter（It is digital
Ohmmeter MYPIN-0 ~ 9.99）Detection, can be accurate to 0. 01 Ω.It is determined that switch K1 closures, are powered, power supply indicator is lighted, will
Switch K2 pulls out " resistance measurement " position（That is, the switch K2 resistance measurements gear of lower left in Fig. 3 is made to close, while upper right side
Switch K2 spend together display gear linkage disconnect）, it is electric that any one contact that need to currently test is connected in chosen switch K3 rotations
Resistance is sampled, and sampled result is sent to the input of ohmmeter, and the resistance of the contact resistance can be directly read by ohmmeter
Size.Similarly, other contact resistances are tested.
Wherein, when selecting switch K3 is adjusted to a b contacts respectively, the contact resistance resistance of two groups of contacts is recorded；Slowly
Ground adjusts pressure regulator knob clockwise（Regulation increases pressure regulator output voltage to knob clockwise, and regulation counterclockwise subtracts voltage
It is small）, after relay is picked up completely, then selecting switch K3 is adjusted to the contact that four groups of contacts are recorded to c d e f contacts respectively
Resistance.
Test device described in the utility model determines that pressure regulator makes out in the case of zero-bit when carrying out neat degree test
Close K1 closures to be powered, Switching Power Supply output 5V delivers to voltmeter, ohmmeter as its working power.K2 is switched by " resistance
Measurement " is switched to " neat degree display " gear（K2 states as shown in Figure 3）, adjust pressure regulator knob（Increase, inverse time clockwise
Pin reduces）Voltage should change between 0~12V of DC, illustrate that instrument can normally work.
When pressure regulator knob is slowly adjusted clockwise, digital voltmeter numerical value is set slowly to increase therewith.Work as digital voltmeter
When being about shown in 5.4V, measured relay coil J obtain it is electric pick up the closing of contact, four groups of correspondence c d e f contacts normally opened to touch
Point is connected, and is lighted corresponding four 3 ~ LED6 of LED, is now observed when these diodes are instantaneously lighted
Whether Qi Du is consistent（If consistent is to meet the requirements）.
When pressure regulator knob, regulation makes timing under voltage counterclockwise, and digital voltmeter is about in 2V, and relay coil J is released
Put, four groups of contacts of correspondence c d e f contacts disconnect, whether consistent observe corresponding four LED3 ~ LED6 neat degree when extinguishing
（If consistent is to meet the requirements）.Meanwhile, two groups of normally-closed contacts of correspondence a b contacts, which reset, to be connected, and observes corresponding LED1 ~ LED2
Whether the instantaneous neat degree when lighting or extinguishing is consistent（If consistent is to meet the requirements）.
Test device described in the utility model is main to be completed using pressure regulator when carrying out voltage measurement, switch K1 closures
Afterwards, pressure regulator knob is adjusted clockwise up to voltage reaches that maximum magnetizes, now corresponds to four of c d e f contacts
LED3 ~ LED6 red lights are lighted；Slow regulation pressure regulator knob counterclockwise, treats that four red lights go out entirely, two of correspondence a b contacts
After LED1, LED2 green light are lighted, it was observed that voltmeter numerical value be relay release voltage（Maximum release voltage）.Pressure regulator
After zero, the slow pressure regulator knob of regulation clockwise treats that this two green lights of LED1, LED2 go out entirely, LED3 ~ LED6 to reduce voltage
After this four red lights are lighted, it was observed that voltmeter numerical value, as relay the operating voltage picked up（Minimum picks up voltage）.
Test device of the present utility model, solves the technological gap of safety type relay detection, with stronger practicality
Property and reliability, are easy to analysis and the data sampling of power transfer relay, possibility are provided for the maintenance of safety type relay.
Although content of the present utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as to limitation of the present utility model.After those skilled in the art have read the above, for
A variety of modifications and substitutions of the present utility model all will be apparent.Therefore, protection domain of the present utility model should be by appended
Claim limit.
Claims (8)
1. a kind of test device of safety type relay, it is characterised in that include：
Current supply circuit, it is connected with neat degree measure loop, and access has the coil of relay in the current supply circuit；
First switch；The closure state or off-state of first switch, it is each corresponding the current supply circuit is connected with power supply
Logical or disconnected state；The current supply circuit connected with power supply, is that coil, the neat degree measure loop of relay are supplied respectively
Electricity；
The neat degree that second switch is set shows the closure state of gear, and neat degree is obtained from current supply circuit with the neat degree measure loop
The state of test job power supply is corresponding；
The neat degree measure loop is provided with two groups of light emitting diodes, wherein first group of multiple light emitting diodes and relay
One group of normally-closed contact correspondence is connected；The connection corresponding with one group of normally opened contact of relay of second group of multiple light emitting diodes；
The current supply circuit is provided with pressure regulator, to change the voltage that current supply circuit is provided to relay coil so that relay
In the case where picking up or discharging, closed by normally opened contact or disconnect controlling second group of light emitting diode to light or extinguish,
And be opened or closed to control first group of light emitting diode to extinguish or light by normally-closed contact.
2. test device as claimed in claim 1, it is characterised in that
The current supply circuit is also connected with ohmmeter measure loop, and the current supply circuit connected with power supply is further resistance
Ohmmeter in table measure loop is powered；
The second switch also has resistance measurement gear；The neat degree of second switch shows that gear is closure and resistance measurement gear
It is corresponding with the state that the neat degree measure loop obtains neat degree test job power supply from current supply circuit for the state of disconnection；The
The neat degree of two switches show gears be disconnect and resistance measurement gear be closure state, with the ohmmeter measure loop from confession
The state that electrical circuit obtains resistance measurement working power is corresponding；
The ohmmeter is connected through the second switch that resistance measurement gear is closure state with the input of one the 3rd switch；
3rd switch switches in multiple contact resistances detection gear, and the output end and the neat degree for making the 3rd switch are detected back
Contact connection among multiple contacts on road, to read the resistance of connected contact resistance by ohmmeter；It is multiple to connect
Point includes the contact of first group of light emitting diode connection corresponding with normally-closed contact, and second group of light emitting diode and normally opened contact
The contact of correspondence connection.
3. test device as claimed in claim 2, it is characterised in that
The coil of the relay is simultaneously connected to voltmeter；The current supply circuit connected with power supply, also powers for the voltmeter；
The voltage of pressure regulator output is from the state that gradually increases is zero to, with relay energized, second group of light emitting diode
The state lighted is corresponding；
In the case of relay energized, the state that the voltage that the pressure regulator is exported is gradually reduced discharges, second with relay
The state that group light emitting diode extinguishes and first group of light emitting diode is lighted is corresponding, and shows relay most with the voltmeter
The state of big release voltage is corresponding；
The voltage of pressure regulator output extinguishes and second group from the state that is gradually reduced is zero to first group of light emitting diode
The state that light emitting diode is lighted is corresponding, and corresponding with the state that voltmeter display relay minimum picks up voltage.
4. test device as claimed in claim 3, it is characterised in that
Make in the case that current supply circuit do not connect with power supply, resistance measurement shelves will be adjusted to by the first switch of off-state
The universal meter of position is attempted by the coil two ends of relay, and the resistance of coil resistance is shown by universal meter.
5. test device as claimed in claim 4, it is characterised in that
The relay is Hoz-462 safety type relays.
6. test device as claimed in claim 1, it is characterised in that
The relay makes the coil of relay access current supply circuit by inserting testing base；The current supply circuit is provided with electricity
Supply socket is connected with power supply, is also connected by the pressure regulator, transformer, bridge rectifier of setting with the coil of relay
Connect.
7. test device as claimed in claim 3, it is characterised in that
The voltmeter is HF5135A-220V types；The ohmmeter is the type of MYPIN-0 ~ 9.99.
8. test device as claimed in claim 2, it is characterised in that
The neat degree test job power supply is 12V；The resistance measurement working power is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621078346.4U CN206505159U (en) | 2016-09-23 | 2016-09-23 | The test device of safety type relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621078346.4U CN206505159U (en) | 2016-09-23 | 2016-09-23 | The test device of safety type relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206505159U true CN206505159U (en) | 2017-09-19 |
Family
ID=59843872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621078346.4U Active CN206505159U (en) | 2016-09-23 | 2016-09-23 | The test device of safety type relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206505159U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371009A (en) * | 2016-09-23 | 2017-02-01 | 上海地铁维护保障有限公司 | Test device and test method of safety type relay |
| CN111157888A (en) * | 2020-01-21 | 2020-05-15 | 大唐洛阳热电有限责任公司 | Intermediate relay contact point rapid detector and detection method thereof |
| CN114142951A (en) * | 2021-12-01 | 2022-03-04 | 北京北广科技股份有限公司 | Network relay control checking device and method for antenna tuner |
-
2016
- 2016-09-23 CN CN201621078346.4U patent/CN206505159U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371009A (en) * | 2016-09-23 | 2017-02-01 | 上海地铁维护保障有限公司 | Test device and test method of safety type relay |
| CN111157888A (en) * | 2020-01-21 | 2020-05-15 | 大唐洛阳热电有限责任公司 | Intermediate relay contact point rapid detector and detection method thereof |
| CN114142951A (en) * | 2021-12-01 | 2022-03-04 | 北京北广科技股份有限公司 | Network relay control checking device and method for antenna tuner |
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