CN206974674U - Brake switch durability test apparatus - Google Patents
Brake switch durability test apparatus Download PDFInfo
- Publication number
- CN206974674U CN206974674U CN201720768667.5U CN201720768667U CN206974674U CN 206974674 U CN206974674 U CN 206974674U CN 201720768667 U CN201720768667 U CN 201720768667U CN 206974674 U CN206974674 U CN 206974674U
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- CN
- China
- Prior art keywords
- brake switch
- programmable controller
- test apparatus
- durability test
- electromagnet
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Abstract
The utility model discloses a kind of brake switch durability test apparatus, the brake switch tested including housing and in housing, the executing agency for controlling brake switch break-make, for detect brake switch whether normal work testing agency and programmable controller, the programmable controller be connected respectively with executing agency and testing agency；The executing agency includes the electromagnet above brake switch and performs bar, and the lower end of the execution bar is pressed together on brake switch, and electromagnet can drive execution bar to move disengaging brake switch upwards.The utility model is controlled the break-make of brake switch using high-speed double electromagnet, is optimized the action simulation effect of brake switch, is reduced the otherness with actual conditions.
Description
Technical field
It the utility model is related to switch reliability detecting device, more particularly to a kind of brake switch durability test apparatus.
Background technology
It would therefore be highly desirable to solve the above problems.
Utility model content
Purpose of utility model：The purpose of this utility model is to provide that a kind of action simulation effect is good and intelligence degree is high
Brake switch durability test apparatus.
Technical scheme：To realize object above, the utility model discloses a kind of brake switch durability test apparatus, including
The brake switch tested, the executing agency for controlling brake switch break-make, for detect brake switch whether normal work
Testing agency and programmable controller, the programmable controller be connected respectively with executing agency and testing agency；It is described to hold
Row mechanism includes the electromagnet above brake switch and performs bar, and the lower end of the execution bar is pressed together on brake switch, electricity
Magnet can drive execution bar to move disengaging brake switch upwards.
Wherein described testing agency includes being used for the photoisolator for detecting brake switch loop current value, the Phototube Coupling
Device transmits the loop current value of detection to programmable controller, when the loop open circuit or current value of detection are less than setting value,
Programmable controller exports brake switch failure signal.
Further, the brake switch is connected to form load circuit with tunable load power supply and tunable load resistance.
Preferably, the electromagnet is frame-type electromagnet, and the frame-type electromagnet includes fixed core, coil and dynamic iron
Core, the dynamic iron core are fixedly connected with bar is performed, and its coil obtains electric generation magnetic, fixed core absorption dynamic iron core drive perform bar to
Upper motion departs from brake switch.
Furthermore solid-state relay is connected with the programmable controller, programmable controller sends electric signal via solid
State relay driving electromagnet, electromagnet obtain electric drive execution bar and move disengaging brake switch upwards.
Preferably, it is also associated with working power on the electromagnet.
Wherein, it is also associated with starting switch on the programmable controller.
Preferably, it is also associated with reset switch on the programmable controller.
Furthermore indicator lamp and/or buzzer for showing fault-signal are also associated with the programmable controller.
Preferably, the programmable controller is PLC, and the PLC is mitsubishi FX2N -16MR/001.
Beneficial effect：Compared with prior art, the utility model has advantages below：The utility model uses electromagnetism first
Iron, which is realized, to be controlled the break-make of brake switch, is optimized the action simulation effect of brake switch, is reduced the otherness with actual conditions；
The simulated test of the different types of brake switch of different loads is realized secondly by tunable load resistance and tunable load power supply, is increased
The applicability of the strong experimental rig；Finally the experimental rig realizes test process Unmanned operation by PLC, automatic counting, event
The function such as barrier alarm and shutdown.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is circuit theory diagrams of the present utility model；
Fig. 3 is the structural representation of electromagnet in the utility model.
Embodiment
The technical solution of the utility model is described further below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of brake switch durability test apparatus of the utility model, including housing 1, brake switch
2nd, executing agency, testing agency and programmable controller 3, the programmable controller 3 respectively with executing agency and testing agency's phase
Connection.
The brake switch tested is fixed in housing 1 by mounting bracket 15.Executing agency is to be used to control braking to open
Break-make is closed, the executing agency includes the electromagnet 4 above brake switch 2 and performs bar 5, the lower side pressure of the execution bar 5
Close on brake switch 2, electromagnet 4, which can drive, performs the motion disengaging brake switch 2 upwards of bar 5.As shown in figure 3, above-mentioned electromagnetism
Iron 4 is frame-type electromagnet, and the frame-type electromagnet includes fixed core 401, coil 402 and dynamic iron core 403, the dynamic iron core 403
With perform bar 5 be fixedly connected, its coil 402 electric generation magnetic, fixed core 401 adsorb dynamic iron core 403 drive perform bar 5 to
Upper motion departs from brake switch 2, and now brake switch acts；After 402 dead electricity of coil, dynamic iron core 403 and execution bar 5 are at itself
Reset state is moved downwardly under Action of Gravity Field, that is, is pressed together on brake switch 2, brake switch is failure to actuate.Programmable controller 3
On be connected with solid-state relay 9, programmable controller 3 sends electric signal via the DM 4 of solid-state relay 9, electromagnet 4
On be also associated with working power 10；Working power 10 and programmable controller 3 are connected by power line 16 with civil power；Electromagnet
4 coils 402 obtain electric.
Above-mentioned testing agency be for detect brake switch whether normal work, the testing agency include be used for detect system
The photoisolator 6 of dynamic switching circuitry current value, the photoisolator 6 transmit the loop current value of detection to PLC technology
Device 3, when the loop open circuit or current value of detection are less than setting value, programmable controller 3 exports brake switch and broken down
Signal.The indicator lamp 13 and/or buzzer 14 for showing fault-signal are also associated with the programmable controller, can be according to not
Select to show the concrete mode of fault-signal with demand.
Brake switch 2 of the present utility model is connected to form load circuit with tunable load power supply 7 and tunable load resistance 8,
The current setting value of load circuit depends on tunable load power supply 7 and tunable load resistance 8, and tunable load power supply 7 passes through power supply
Line 16 is connected with civil power.The utility model realizes different loads different type by tunable load resistance and tunable load power supply
Brake switch simulated test, strengthen the applicability of the experimental rig.
The programmable controller 3 that the utility model uses is PLC, and the PLC is mitsubishi FX2N -16MR/001.This is programmable
Starting switch 11 and reset switch 12 are also associated with controller 3.
The course of work of the present utility model：Experimental rig first installs brake switch 2 when working in mounting bracket 15, pair can
Programmable controller 3 carries out parameter setting.Start to test by starting switch 11, programmable controller 3 send electric signal through solid-state after
Electrical equipment 9 makes 24V voltage outputs, and to the coil 402 of electromagnet 4, coil 402 obtains electric generation magnetic, and fixed core 401 adsorbs dynamic iron core
403 drive execution bar 5, and motion departs from brake switch 2 upwards, and now brake switch acts.Programmable controller 3 carries out system simultaneously
Whether dynamic switch connects normal detection work, and when testing result is connected state, brake switch 2 is working properly, through photoelectricity every
When detecting that the loop open circuit of brake switch 2 or electric current are less than setting value from device 6 (different test switches is directed to, passes through adjustable negative
Carry power supply 7 and the setting electric current threshold value of tunable load resistance 8), it is determined as that brake switch 2 breaks down, continuous several times break down
When judge that the endurancing of brake switch 2 terminates, programmable controller 3 automatically controls experiment and terminated, while PLC technology
Device 3 is signaled to indicator lamp 13 and buzzer 14 is alarmed, and prompts brake switch 2 to break down, and experiment stops.As braking is opened
Close it is 2 working properly, after a period of time, as 5s connection after electromagnet 4 power off, dynamic iron core 403 and perform bar 5 in self gravitation
Reset state is moved downwardly under effect, that is, is pressed together on brake switch 2, brake switch is failure to actuate.After reset interval one section when
Between, as 1s Posterior circles carry out durability retardation test.
Pass through the following parameter setting of carry out of programmable controller 3：
(1) when the time of long-press reset switch 12 during experiment is 2 seconds, experiment is stopped, at this moment PLC technology
The internal count value of device 3 is constant, then continues by the experiment work of starting switch 11.
(2) during experiment, the continuous time of short-press reset switch 12 is less than 0.5 second 3 times, can be to external fault (subject
It is bad to test switch contact, tunable load Resistance Fault, electromagnet failure, solid-state relay failure etc.) caused by buzzing alarm, enter
Reset after row troubleshooting inspection.
(3) in "on" position；The continuous time of short-press reset switch 12 is less than 0.5 second 5 times；Available for (by experiment braking
The initial count clearing of switch, malfunction reset, reset after changing brake switch) counting of inside portion is removed, experiment is started from scratch.
Claims (10)
- A kind of 1. brake switch durability test apparatus, it is characterised in that：Subject including housing (1) and in housing (1) The brake switch (2) tested, the executing agency for controlling brake switch break-make, for detect brake switch whether normal work Testing agency and programmable controller (3), the programmable controller (3) are connected with executing agency and testing agency respectively；Institute Stating executing agency includes the electromagnet (4) above brake switch and performs bar (5), and the lower end of the execution bar (5) is pressed together on On brake switch (2), electromagnet (4), which can drive, performs bar (5) motion disengaging brake switch (2) upwards.
- 2. brake switch durability test apparatus according to claim 1, it is characterised in that：The testing agency includes being used for Detect brake switch loop current value photoisolator (6), the photoisolator (6) by the loop current value of detection transmit to Programmable controller (3), when the loop open circuit or current value of detection are less than setting value, programmable controller (3) exports system Dynamic switch failure signal.
- 3. brake switch durability test apparatus according to claim 2, it is characterised in that：The brake switch (2) with can Load power source (7) and tunable load resistance (8) is adjusted to be connected to form load circuit.
- 4. brake switch durability test apparatus according to claim 1, it is characterised in that：The electromagnet (4) is framework Formula electromagnet, the frame-type electromagnet include fixed core (401), coil (402) and dynamic iron core (403), the dynamic iron core (403) and Perform bar (5) to be fixedly connected, its coil (402) obtains electric generation magnetic, and fixed core (401) absorption dynamic iron core (403) drives and held Motion departs from brake switch (2) to row bar (5) upwards.
- 5. brake switch durability test apparatus according to claim 1, it is characterised in that：The programmable controller (3) On be connected with solid-state relay (9), programmable controller (3) sends electric signal via solid-state relay (9) DM (4), electromagnet (4) obtains electric drive and performs bar (5) motion disengaging brake switch (2) upwards.
- 6. brake switch durability test apparatus according to claim 1, it is characterised in that：Also connect on the electromagnet (4) It is connected to working power (10).
- 7. brake switch durability test apparatus according to claim 1, it is characterised in that：The programmable controller (3) On be also associated with starting switch (11).
- 8. brake switch durability test apparatus according to claim 1, it is characterised in that：The programmable controller (3) On be also associated with reset switch (12).
- 9. brake switch durability test apparatus according to claim 1, it is characterised in that：On the programmable controller also It is connected with the indicator lamp (13) and/or buzzer (14) for showing fault-signal.
- 10. brake switch durability test apparatus according to claim 1, it is characterised in that：The programmable controller (3) For PLC, the PLC is mitsubishi FX2N -16MR/001.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720768667.5U CN206974674U (en) | 2017-06-27 | 2017-06-27 | Brake switch durability test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720768667.5U CN206974674U (en) | 2017-06-27 | 2017-06-27 | Brake switch durability test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206974674U true CN206974674U (en) | 2018-02-06 |
Family
ID=61405641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720768667.5U Active CN206974674U (en) | 2017-06-27 | 2017-06-27 | Brake switch durability test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206974674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063676A (en) * | 2017-06-27 | 2017-08-18 | 南京金城机械有限公司 | Brake switch durability test apparatus |
-
2017
- 2017-06-27 CN CN201720768667.5U patent/CN206974674U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063676A (en) * | 2017-06-27 | 2017-08-18 | 南京金城机械有限公司 | Brake switch durability test apparatus |
| CN107063676B (en) * | 2017-06-27 | 2024-02-06 | 南京金城机械有限公司 | Brake switch endurance test device |
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