CN106918780A - A kind of pressure switch function life-span test control system and method - Google Patents
A kind of pressure switch function life-span test control system and method Download PDFInfo
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- CN106918780A CN106918780A CN201710167119.1A CN201710167119A CN106918780A CN 106918780 A CN106918780 A CN 106918780A CN 201710167119 A CN201710167119 A CN 201710167119A CN 106918780 A CN106918780 A CN 106918780A
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012942 design verification Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- VAWNDNOTGRTLLU-UHFFFAOYSA-N iron molybdenum nickel Chemical compound [Fe].[Ni].[Mo] VAWNDNOTGRTLLU-UHFFFAOYSA-N 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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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
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of pressure switch function life-span test control system and method, control loop circuit including the time interval for control pressure switch on and off and break-make condition, for controlling cylinder to promote pressure switch to circulate the cylinder control circuit of on-off, counter circuit for gathering the accumulative break-make number of times of pressure switch, pressure switch for cut-in pressure switch connects circuit, and the power supply circuit for being powered to control loop circuit, cylinder control circuit, counter circuit and pressure switch connection circuit.Simple structure of the present invention, test operation is convenient, the features such as test efficiency is high, is particularly suitable for verifying new material pressure switch control block and the new fatigue life for improving pressure switch.
Description
Technical field
The invention belongs to pressure switch performance test field, and in particular to a kind of pressure switch function life-span testing and control system
System and method.
Background technology
Manual transmission pressure switch control block and corresponding pressure switch carry out fatigue life test at this stage, are all mostly
Carried out on transmission assembly stand, this mode test period is long, efficiency is low and takes lot of experiments resource so that green wood
Material, the pressure switch control block of new technology and the new design verification propulsion relatively slow and experimentation cost for improving pressure switch of correspondence compared with
It is high.
The content of the invention
It is existing to overcome it is an object of the invention to provide a kind of pressure switch function life-span test control system and method
Problem in technology, simple structure of the present invention, test operation is convenient, the features such as test efficiency is high, is particularly suitable for verifying new material
Pressure switch control block and the new fatigue life for improving pressure switch.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of pressure switch function life-span test control system, including time interval for control pressure switch on and off and
The control loop circuit of break-make condition, for controlling cylinder to promote pressure switch to circulate the cylinder control circuit of on-off, uses
In the counter circuit of the accumulative break-make number of times of collection pressure switch, the pressure switch for cut-in pressure switch connects circuit, with
And the power supply circuit for being powered to control loop circuit, cylinder control circuit, counter circuit and pressure switch connection circuit.
Further, the power supply circuit includes being accessed by binding post X1 the general supply air switch Q1 of AC220V, total electricity
The output end of source air switch Q1 is connected to binding post X2, and high-temperature cabinet, dc source DP1 and some are connected with binding post X2
Voltage-stabilized power supply, the output port of dc source DP1 is connected with TPC8-8 timing routine controllers.
Further, high-temperature cabinet, dc source DP1 and some voltage-stabilized power supplies access wiring after distinguishing series arm air switch
Terminal X2.
Further, radiator fan and illuminating lamp are also associated with AC220V, and illuminating lamp is connected by switch with AC220V
Connect.
Further, the control loop circuit includes the binding post being connected on TPC8-8 timing routine controllers
X3, auxiliary reclay J1 and auxiliary reclay J2 are connected to the output end of TPC8-8 timing routine controllers by binding post X3
Mouth Y2 and output port Y3, starting switch K1 and shutdown switch K3 are connected to TPC8-8 timing routines and control by binding post X3
The input port XX1 and input port XX2, left proximity switch KK1 and right proximity switch KK2 of device respectively by binding post X5 and
Binding post X3 is connected with the input port XX3 and input port XX4 of TPC8-8 timing routine controllers.
Further, the cylinder control circuit includes the magnetic valve DCF1 connected with the normally opened contact of auxiliary reclay J1
And the magnetic valve DCF2 connected with the normally opened contact of auxiliary reclay J2, the magnetic valve DCF1 and magnetic valve DCF2 are controlled respectively
The gas circuit of the left and right air inlet of cylinder processed.
Further, the counter circuit includes some counters, and counter is connected access after counter SW respectively
AC220V, and the pulse collection port of counter is connected to binding post X5.
Further, the pressure switch connection circuit includes some pressure switches, after pressure switch difference series resistance
The direct current output port of corresponding voltage-stabilized power supply is accessed by binding post X4.
A kind of pressure switch function life-span test control method, the input port XX1 of TPC8-8 timing routine controllers or
When input port XX3 is effective, the output port Y2 work of TPC8-8 timing routine controllers, auxiliary reclay J1 coils are connected,
The normally opened port closed electromagnetic valve DCF1 work of auxiliary reclay J1, drive cylinder action is pushed away after cylinder action by mechanical connection
Dynamic pressure switch connection；Now the input port XX4 of TPC8-8 timing routines controller is effective, TPC8-8 timing routine controllers
Output port Y3 work, auxiliary reclay J2 coils connect, auxiliary reclay J2 normally opened port closed electromagnetic valve DCF2 work,
Drive cylinder is acted；Disconnected by mechanically connecting promotion pressure switch after cylinder action；Now TPC8-8 timing routines controller
Input port XX3 effectively, cylinder cycle work according to this promotes pressure switch circulation on-off, and counter records pressure opens
Close on-off number of times.
Compared with prior art, the present invention has following beneficial technique effect：
Present system uses the time interval and break-make condition of control loop circuit control pressure switch on and off, using gas
Cylinder control circuit control cylinder promotes pressure switch circulation on-off, using the counter circuit accumulative break-make of collection pressure switch
Number of times, is powered using power supply circuit, and with simple structure, test operation is convenient, the features such as test efficiency is high, not only can be with
Checking new material, the anti-wear performance of new technology pressure switch control block, can also simultaneously verify the pressure switch longevity corresponding thereto
Life.This system cost is low, reliability is high, can simultaneously carry out multiple sample tests, and rapidly and efficiently, this control system has application to pressure
Power switch fatigue life test rack project and powder metallurgy sintered hardening, the low control block of reversing gear of powder metallurgy iron nickel-molybdenum alloy it is new
Design of material is improved in experiment, is that the small lot for being smoothed out the switch control block that reverses gear low with new material of project on probation plays non-
Often important effect.
The inventive method controls auxiliary reclay J1 or auxiliary reclay J2 by TPC8-8 timing routines controller, then
Band moving electromagnetic valve DCF1 or magnetic valve DCF2 works, and starts cylinder action and promotes pressure switch to be switched on or switched off, and circulates according to this, pushes away
Dynamic pressure switch cycles on-off, counter records pressure switch on-off number of times, test operation is convenient, test efficiency
Height, is particularly suitable for verifying new material pressure switch control block and the new fatigue life for improving pressure switch.
Brief description of the drawings
Fig. 1 is control system integral layout figure of the present invention；
Fig. 2 is the first power supply circuit schematic diagram of the invention；
Fig. 3 is the second power supply circuit schematic diagram of the invention；
Fig. 4 is TPC8-8 controllers layout of the invention；
Fig. 5 is TPC8-8 control block wiring diagrams of the invention；
Fig. 6 is that cylinder of the invention controls wiring diagram；
Fig. 7 is counter circuit figure of the invention；
Fig. 8 is pressure switch connection figure of the invention.
Wherein, Z36-12 (1~6)：D.C. regulated power supply；JS1~JS6：Counter；K11~K16：Counter SW；
Q1：General supply air switch；Q21~Q29：Each branch road air switch；DP1、DP2：DC24V Switching Power Supplies；TPC8-8：Timing routine is controlled
Device；J1、J2：Auxiliary reclay；X1~X5：Binding post.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1 to Fig. 8, a kind of pressure switch function life-span test control system, including it is logical for control pressure switch
Disconnected time interval and the control loop circuit of break-make condition, for controlling cylinder to promote pressure switch to circulate the gas of on-off
Cylinder controls circuit, and the counter circuit for gathering the accumulative break-make number of times of pressure switch, the pressure for cut-in pressure switch is opened
Connection connects circuit, and for being supplied to control loop circuit, cylinder control circuit, counter circuit and pressure switch connection circuit
The power supply circuit of electricity.
Power supply circuit includes being accessed by binding post X1 the general supply air switch Q1 of AC220V, the output of general supply air switch Q1
End is connected to binding post X2, and high-temperature cabinet, dc source DP1 and some voltage-stabilized power supplies, high temperature are connected with binding post X2
Binding post X2 is accessed after case, dc source DP1 and some voltage-stabilized power supplies difference series arm air switch, dc source DP1's
Output port is connected with TPC8-8 timing routine controllers, and radiator fan and illuminating lamp, and illuminating lamp are also associated with AC220V
It is connected with AC220V by switch.
Control loop circuit includes the binding post X3, auxiliary reclay J1 that are connected on TPC8-8 timing routine controllers
With the output port Y2 and output port that auxiliary reclay J2 is connected to TPC8-8 timing routine controllers by binding post X3
Y3, starting switch K1 and shutdown switch K3 are connected to the input port of TPC8-8 timing routine controllers by binding post X3
XX1 and input port XX2, left proximity switch KK1 and right proximity switch KK2 respectively by binding post X5 and binding post X3 with
Input port XX3 and input port the XX4 connection of TPC8-8 timing routine controllers, cylinder control circuit include and middle relay
The magnetic valve DCF1 of the normally opened contact series connection of the device J1 and magnetic valve DCF2 connected with the normally opened contact of auxiliary reclay J2, institute
The gas circuit that magnetic valve DCF1 and magnetic valve DCF2 controls the left and right air inlet of cylinder respectively is stated, counter circuit includes some countings
Device, counter to be connected access AC220V after counter SW respectively, and the pulse collection port of counter is connected to binding post
X5, pressure switch connection circuit includes some pressure switches, and pressure switch is accessed after distinguishing series resistance by binding post X4
The direct current output port of corresponding voltage-stabilized power supply.
A kind of pressure switch function life-span test control method, the input port XX1 of TPC8-8 timing routine controllers or
When input port XX3 is effective, the output port Y2 work of TPC8-8 timing routine controllers, auxiliary reclay J1 coils are connected,
The normally opened port closed electromagnetic valve DCF1 work of auxiliary reclay J1, drive cylinder action is pushed away after cylinder action by mechanical connection
Dynamic pressure switch connection；Now the input port XX4 of TPC8-8 timing routines controller is effective, TPC8-8 timing routine controllers
Output port Y3 work, auxiliary reclay J2 coils connect, auxiliary reclay J2 normally opened port closed electromagnetic valve DCF2 work,
Drive cylinder is acted；Disconnected by mechanically connecting promotion pressure switch after cylinder action；Now TPC8-8 timing routines controller
Input port XX3 effectively, cylinder cycle work according to this promotes pressure switch circulation on-off, and counter records pressure opens
Close on-off number of times.
Operating process of the invention is described in detail below：
The present invention is the control system and method in a kind of test pressure switch control block performance and pressure switch life-span, control
System overall layout chart is as shown in Figure 1：D.C. regulated power supply can match corresponding high-power resistance according to different experimental conditions
For test specimen provides suitable power environment；Counter is used for receiving the secondary of the on-off model record life test of feedback in experiment
Number, each counter can work independently；General supply air switch and each branch road air switch are used for Protection control system, prevent short circuit or overload
Cause component damage.
TPC8-8 timing routine controllers are the key control units of the control system.As shown in Figure 2：
Replace cumbersome programing work, simple operation, simple and practical, function by the way of form sets chinese disply
By force, difficulty and the construction cycle of application process can be significantly reduced.With 8 road inputs and 8 tunnel output ends, wherein 8 tunnels are input into
End can connecting valve or sensor, for example：Starting switch, shutdown switch, limit switch, safety switch, optoelectronic switch, close to opening
The On-off signal signals such as pass.8 tunnel output ends can respectively drive multipath electrovalve, hydraulic valve, relay, contactor, electromagnetism
Iron and motor etc. perform electrical work.Fully enter and isolate with output photoelectric.The way of output is NPN transistor open collector
Output, output is effectively conducting, and it is open circuit to export invalid；Output voltage is DC24V；Every road output current 300mA；Often row timing
Scope 50ms-200h, often keeps off interval 50ms；Input voltage is the on-off model in the range of DC0-24V；Per road input current<
10mA；Download interface is USB interface.
The control system, has used 2 road hand switch amount input signals, 2 road magnetic induction switch input signals, 2 road electromagnetism
Valve output signal, can increase input circuit and output loop according to the change of experimental condition.Circuit is connected as illustrated in figs. 2 through 8：
1) power supply circuit summary：(as shown in Figure 2 and Figure 3)
AC220V is accessed 1,2, No. 3 ports of binding post X1, input and the binding post X1 of general supply air switch Q1
The connection of 1,2, No. 3 ports, 01-No. 30 ports connection of output end and binding post X2, high-temperature cabinet, voltage-stabilized power supply Z36-12
(1-6), dc source DP1 connect binding post X2 is accessed after air switch respectively；
TPC8-8 timing routine controller supply ports are connected with the output port of dc source DP1.
2) control loop circuit summary：(as shown in Figure 4, Figure 5)
The input port XX1-XX8 of TPC8-8 timing routine controllers connects with 18-No. 33 ports of binding post X3 respectively
Connect, the output port Y1-Y8 of TPC8-8 timing routine controllers is connected with 01-No. 16 ports of binding post X3 respectively；
Auxiliary reclay J1, auxiliary reclay J2, starting switch K1, shutdown switch K3 respectively by binding post X3 with
TPC8-8 timing routine controller output ports Y2, Y3, input port XX1, XX2 connection, left proximity switch KK1, right approaching are opened
KK2 is closed by being connected with TPC8-8 timing routine controller input ports XX3, XX4 after binding post X5 and binding post X3.
TPC8-8 timing routines controller receives switch input signal, and basis signal sends corresponding output signal, control
The time interval and break-make condition of pressing pressure switch on and off.
3) cylinder control circuit summary：(as shown in Figure 6)
Magnetic valve DCF1 and magnetic valve DCF2 control the gas circuit of the left and right air inlet of cylinder respectively, and auxiliary reclay J1's is normal
Open contact to be connected with the coil of magnetic valve DCF1, the normally opened contact of auxiliary reclay J2 is connected with the coil of magnetic valve DCF2.
4) counter circuit summary：(as shown in Figure 7)
The supply port of counter JS1-JS6 to be connected access AC220V after counter SW K11-K16 respectively, and pulse is adopted
Collection port is connected with the 17-28 ports of binding post X5 respectively.The accumulative break-make number of times of counter collection pressure switch.
5) pressure switch connection circuit summary：(as shown in Figure 8)
Pressure switch accesses the direct current output port of voltage-stabilized power supply Z36-12 (1-6) after being connected with resistance R1-R6 respectively.Surely
The load circuit of voltage source and high-power resistance for needed for pressure switch is provided.
6) circuit operation principle summary：
(left side connects for TPC8-8 timing routine controller input ports XX1 (program runs starting switch K1) or input port XX3
Nearly switch KK1) effectively when, output port Y2 work, auxiliary reclay J1 coils are connected, the normally opened port closures of auxiliary reclay J1
Magnetic valve DCF1 works, drive cylinder action, promotes pressure switch to connect by mechanical connection after cylinder action；
Cylinder is connected to this position 1 rear right proximity switch KK2, and effectively, output port Y3 work is middle for input port XX4
Relay J2 coils are connected, the normally opened port closed electromagnetic valve DCF2 work of auxiliary reclay J2, drive cylinder action；Cylinder is acted
Disconnected by mechanically connecting promotion pressure switch afterwards；
Cylinder is connected to this position 2 rear left proximity switch KK1, cylinder cycle work, promotes pressure switch circulation to connect disconnected
Open.When need to be stopped, connecting shutdown switch K2 makes controller be stopped.
TPC8-8 timing routines controller receives left proximity switch and right proximity switch input signal, and foundation during this
Signal sends corresponding output signal, the time interval of control pressure switch on and off.
Claims (9)
1. a kind of pressure switch function life-span test control system, it is characterised in that including for control pressure switch on and off
The control loop circuit of time interval and break-make condition, for controlling cylinder to promote pressure switch to circulate the cylinder control of on-off
Circuit processed, the counter circuit for gathering the accumulative break-make number of times of pressure switch, the pressure switch for cut-in pressure switch connects
Circuit is connect, and for connecting what circuit was powered to control loop circuit, cylinder control circuit, counter circuit and pressure switch
Power supply circuit.
2. a kind of pressure switch function life-span test control system according to claim 1, it is characterised in that the power supply
Circuit includes being accessed by binding post X1 the general supply air switch Q1 of AC220V, and the output end of general supply air switch Q1 is connected to wiring
Terminal X2, is connected with high-temperature cabinet, dc source DP1 and some voltage-stabilized power supplies, the output of dc source DP1 on binding post X2
Port is connected with TPC8-8 timing routine controllers.
3. a kind of pressure switch function life-span test control system according to claim 2, it is characterised in that high-temperature cabinet,
Binding post X2 is accessed after dc source DP1 and some voltage-stabilized power supplies difference series arm air switch.
4. a kind of pressure switch function life-span test control system according to claim 2, it is characterised in that on AC220V
Radiator fan and illuminating lamp are also associated with, and illuminating lamp is connected by switch with AC220V.
5. a kind of pressure switch function life-span test control system according to claim 2, it is characterised in that the control
Loop circuit includes the binding post X3 being connected on TPC8-8 timing routine controllers, auxiliary reclay J1 and auxiliary reclay
J2 is connected to the output port Y2 and output port Y3 of TPC8-8 timing routine controllers, starting switch K1 by binding post X3
With the input port XX1 and input port that shutdown switch K3 is connected to TPC8-8 timing routine controllers by binding post X3
XX2, left proximity switch KK1 and right proximity switch KK2 are respectively by binding post X5 and binding post X3 and TPC8-8 timing journeys
Input port XX3 and input port the XX4 connection of sequence controller.
6. a kind of pressure switch function life-span test control system according to claim 5, it is characterised in that the cylinder
Control circuit includes the magnetic valve DCF1 that is connected with the normally opened contact of auxiliary reclay J1 and normally opened with auxiliary reclay J2
The magnetic valve DCF2, the magnetic valve DCF1 and magnetic valve DCF2 of contact series control the gas of the left and right air inlet of cylinder respectively
Road.
7. a kind of pressure switch function life-span test control system according to claim 6, it is characterised in that the counting
Device circuit includes some counters, and counter is connected the AC220V that access after counter SW respectively, and counter pulse collection
Port is connected to binding post X5.
8. a kind of pressure switch function life-span test control system according to claim 2, it is characterised in that the pressure
Switching connection circuit includes some pressure switches, corresponding steady by binding post X4 accesses after pressure switch difference series resistance
The direct current output port of voltage source.
9. the pressure switch function life-span test control method of control system described in a kind of use claim 7, it is characterised in that
When the input port XX1 or input port XX3 effective of TPC8-8 timing routine controllers, TPC8-8 timing routine controllers it is defeated
Exit port Y2 is worked, and auxiliary reclay J1 coils are connected, the normally opened port closed electromagnetic valve DCF1 work of auxiliary reclay J1, is driven
Cylinder is acted, and is connected by mechanically connecting promotion pressure switch after cylinder action；Now TPC8-8 timing routines controller is defeated
Inbound port XX4 effectively, connect, centre by the output port Y3 work of TPC8-8 timing routine controllers, auxiliary reclay J2 coils
The normally opened port closed electromagnetic valve DCF2 work of relay J2, drive cylinder action；By mechanically connecting promotion pressure after cylinder action
Power is switched off；Now effectively, cylinder cycle work according to this promotes pressure to the input port XX3 of TPC8-8 timing routines controller
Power switch cycles on-off, counter records pressure switch on-off number of times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167119.1A CN106918780A (en) | 2017-03-20 | 2017-03-20 | A kind of pressure switch function life-span test control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167119.1A CN106918780A (en) | 2017-03-20 | 2017-03-20 | A kind of pressure switch function life-span test control system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106918780A true CN106918780A (en) | 2017-07-04 |
Family
ID=59461053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710167119.1A Pending CN106918780A (en) | 2017-03-20 | 2017-03-20 | A kind of pressure switch function life-span test control system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560840A (en) * | 2017-08-30 | 2018-01-09 | 温州立晨汽车零部件有限公司 | A kind of pulse test method of active safety brakes normally open solenoid valve performance |
| CN109115638A (en) * | 2018-07-19 | 2019-01-01 | 格力电器（武汉）有限公司 | Switching device life testing device |
| CN112230135A (en) * | 2020-09-27 | 2021-01-15 | 北京康斯特仪表科技股份有限公司 | Detection method and detection system of multi-contact pressure switch |
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Application publication date: 20170704 |