CN102486528A

CN102486528A - Test system of horn button

Info

Publication number: CN102486528A
Application number: CN2010106208556A
Authority: CN
Inventors: 赖玉龙; 陈石人; 覃金明
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2010-12-31
Filing date: 2010-12-31
Publication date: 2012-06-06
Anticipated expiration: 2030-12-31
Also published as: CN102486528B

Abstract

The invention provides a test system of a horn button. The test system comprises a stand, the horn button provided on the stand, and an execution mechanism used for changing pressing down/reset of the horn button. The test system also comprises a test loop which is in series connection with the horn button, a detection circuit used for detecting an electric property parameter of the test loop and a control circuit which controls power-on/power-off of the test loop. The invention has the following advantages: the test loop combined with the detection circuit and the control circuit is employed, a pressing frequency period can be simply controlled, a failure state is discovered timely, and accuracy of test data is ensured. Furthermore, the test system can visually read a current value in the test loop and record a peak value.

Description

The pilot system of horn button

Technical field

The present invention relates to the pilot system of the simulation test of bearing circle horn button, particularly a kind of horn button.

Background technology

At present; Mechanical reciprocal push action is all adopted in the endurancing of bearing circle horn button, is unfavorable for the compression frequency periodic Control like this; And; When horn button the contact occurs and opens circuit, ablates faults such as normal open, keep test duration to carry out owing to can't in time discerning fault, cause test findings inaccurate at last.

Summary of the invention

In order to solve existing technical matters, the present invention provides a kind of pilot system of horn button, and it can detect and judge the horn button failure state, thereby in time stops the push action of horn button.

The present invention solves existing technical matters, and a kind of pilot system of horn button is provided, and it comprises stand, is arranged on the horn button on the said stand and is used to change the topworks that said horn button is depressed/resetted; Said pilot system comprises the test loop that is in series with said horn button, the control circuit that is used to detect the testing circuit of said test loop electrical parameter and controls the energising/outage of said test loop.

The present invention's improvement further is described below.

Said control circuit comprises central controller.

Said topworks comprises air-pressure duct, the cylinder that communicates with said air-pressure duct and the solenoid valve that is series at said air-pressure duct, and said solenoid valve and said central controller electrically connect.

Said test loop comprises A.C. contactor, shunt, said horn button and the loudspeaker load of series connection.

Said testing circuit comprises reometer, and two input ends of said reometer are parallel to first, second input port that said shunt, two output terminals are electrically connected at said central controller.

Said testing circuit comprises first relay; The coils from parallel connection of coils of said first relay is in said loudspeaker load, and a contact of said first relay is electrically connected at the 3rd input port that said test loop, another contact are electrically connected at said central controller.

Said control circuit comprises the city's electric knife switch and second relay, and said city electric knife switch is linked in sequence and is back to said city electric knife switch behind the coil of two normally closed contacts of said second relay, said A.C. contactor; First, second output port of said central controller is electrically connected at the coil two ends of said second relay.

Said loudspeaker load is a light-emitting component.

Said pilot system comprises alarm unit, and said alarm unit and said central controller electrically connect.

Said stand is the aluminium section bar with chute.

Compared to prior art, the invention has the beneficial effects as follows: adopt the test loop, be equipped with testing circuit and control circuit, can the simple and easy control compression frequency cycle, and in time find failure state, guarantee that test figure is accurate.

In addition, this pilot system can read the current value in the test loop intuitively, and its peak value is carried out record.

Description of drawings

Fig. 1 is the circuit diagram of the pilot system of horn button of the present invention.

Fig. 2 is the structural representation of said stand, cylinder and horn button.

Embodiment

Below in conjunction with description of drawings and embodiment the present invention is further specified.

As depicted in figs. 1 and 2; A kind of pilot system of horn button; It comprises stand 11, is arranged on the horn button 12 on the stand 11 and is used to change the topworks that horn button 12 is depressed/resetted; This topworks is used to force in be pressed when simulating normal use state of pronunciation of horn button 12, this topworks's cancellation to the acting force of horn button 12 after this horn button 12 reset with the simulation state of pronunciation not; Pilot system of the present invention comprises the test loop that is in series with horn button 12, the control circuit that is used to detect the testing circuit of test loop electrical parameter and controls test loop energising/outage; This horn button 12 is arranged in this test loop; When the electrical parameter signal that detects this test loop changes; It is normal condition or failure state can to pass through the control circuit analysis and judgement, thereby test continues but elimination horn button 12 has lost efficacy, thereby improves the accuracy of testing.

Control circuit of the present invention comprises central controller 20, and this central controller 20 adopts programmable logic controller (PLC) (PLC), is convenient to the user and freely programmes to realize the purpose of robotization control.

Topworks of the present invention comprises air-pressure duct, the cylinder 13 that communicates with air-pressure duct and the solenoid valve that is series at air-pressure duct, and solenoid valve and central controller 20 electrically connect.Because air-pressure duct communicates with cylinder 13; Central controller 20 links to each other with solenoid valve; This solenoid valve is series at air-pressure duct; When central controller changes the state of solenoid valve, change the atmospheric pressure of air-pressure duct, realize that the mobile terminal of cylinder 13 forces in or do not force in horn button for cylinder 13.

Test loop of the present invention comprises A.C. contactor 18, shunt 21, horn button 12 and the loudspeaker load 17 of series connection.The electric current of A.C. contactor 18 outputs is back to A.C. contactor 18 later through shunt 21, horn button 12 and loudspeaker load 17, forms a loop, and when 18 pairs of these test loops of A.C. contactor provided electric energy, this test loop had current signal.

Testing circuit of the present invention comprises reometer 19; Two input ends 191,192 of reometer 19 are parallel to first, second input port 201,202 that shunt 21, two output terminals 193,194 are electrically connected at central controller 20; As one of input of central controller 20, judge through the clocking capability of central controller 20 whether the contact of horn button 12 occurs opening circuit with reometer 19.Testing circuit comprises first relay 15; The coil 151 of first relay 15 is parallel to loudspeaker load 17; One contact 152 of first relay 15 is electrically connected at the 3rd input port 203 that test loop, another contact 153 are electrically connected at central controller 20; As one of input of central controller 20, judge whether the contact of horn button 12 normal open that lost efficacy occurs with first relay 15 through the clocking capability of central controller 20.

Control circuit of the present invention comprises the city's electric knife switch 14 and second relay 16, and city's electric knife switch 14 is linked in sequence and is back to city's electric knife switch 14 behind the coil 181 of two normally closed contacts 162,163, A.C. contactor 18 of second relay 16; First, second output port 204,205 of central controller 20 is electrically connected at coil 161 two ends of second relay 16.As one of output of central controller 20, if lost efficacy, this second relay 16 test loop of will breaking stops bench run with second relay 16

Loudspeaker load 17 of the present invention is a light-emitting component, replaces loudspeaker as circuit load with the light-emitting component of equivalent power such as bulb, has solved noise problem, more environmental protection.

Pilot system of the present invention comprises alarm unit, and this alarm unit and central controller 20 electrically connect.Passed through alarm unit prompting user when central controller 20 detects when horn button 12 lost efficacy, in time handle this situation to make things convenient for the user.

Stand 11 of the present invention is for having the aluminium section bar of chute; After bearing circle, cylinder 13 be installed in the stand 11 that aluminium section bar builds; The position of adjustment cylinder 11 makes cylinder 11 can accurately be loaded into bearing circle horn button 12 places, and test loop, testing circuit and control circuit are installed on the special nylon sheet; And be fixed on the stand 11, turn on the electricity.The aluminium section bar of band chute makes that carrying out components and parts can carry out mobile adjustment forward and backward, the upper and lower, left and right six-freedom degree on stand, make cylinder 11 can accurately be loaded on the corresponding point.

Principle of work of the present invention is: when city's electric knife switch 14 closures; Two normally closed contacts 162,163 of electric current through second relay 16 flow into 181 1 of the coils of A.C. contactors 18, get back to city's electric knife switch 14 negative poles by coil 181 other ends of A.C. contactor 18, when system switches on; A.C. contactor 18 coils 181 formation loops make and become the normal open point the normal battle of A.C. contactor 18; To shunt 21, the input end 191,192 of reometer 19 is parallel to shunt 21 two ends to electric current, after electric current comes out from shunt 21 through A.C. contactor 18; To horn button 12 contacts; This moment, circuit was divided into two, and one is come out to connect bulb from the contact and gets back to A.C. contactor 18 negative poles, a coil 151 that comes out to connect first relay 15 from the contact.In the time of system start-up, cylinder 13 begins action, and horn button 12 is pressed by cylinder 13, and the total system row becomes the loop; Bulb is shinny, and when cylinder 13 reclaimed, horn button 12 rebounded; Circuit breaks off, and bulb extinguishes, and can come the setpoint frequency cycle according to different standard-requireds.

Wherein two output ports 204,205 of central controller 20 are received solenoid valve, and solenoid valve connects cylinder 13 through air-pressure duct, and when central controller 20 obtained programmed instruction output, solenoid valve got electric, thereby makes cylinder 13 to move back and forth.The input end 191,192 of reometer 19 is received the shunt 21 in loop; And output terminal 193,194 is received first, second input port 201,202 of central controller 20; The signal of hi-lo signal alarm can be input to central controller 20, realizes the real-time monitoring of electric current and the shutdown of reporting to the police.The normally closed contact of second relay 16 is to join with city's electric knife switch, A.C. contactor; Coil is received the delivery outlet of central controller, and effect is to be used for breaking off whole loop, when central controller is judged the horn button inefficacy; Can make the output port output that connects second relay; Thereby make the coil electricity stroke loop of second relay, the normally closed contact of second relay breaks off, thereby makes whole loop break off.

This test loop, its voltage 13 ± 1V, electric current 6A; Load 35 ± 10N; Logical 1s, disconnected 3-4s uses software RS Logix500 that central controller is programmed; Functions such as input through first relay and timer, the power down function after realizing the differentiation of two kinds of failure modes and failure mode occurring.

The present invention adopts the test loop, is equipped with testing circuit and control circuit, can the simple and easy control compression frequency cycle, and in time find failure state, guarantee that test figure is accurate.

Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.

Claims

1. the pilot system of a horn button, it comprises stand, is arranged on the horn button on the said stand and is used to change the topworks that said horn button is depressed/resetted; It is characterized in that: said pilot system comprises the test loop that is in series with said horn button, the control circuit that is used to detect the testing circuit of said test loop electrical parameter and controls the energising/outage of said test loop.

2. the pilot system of horn button according to claim 1, it is characterized in that: said control circuit comprises central controller.

3. the pilot system of horn button according to claim 2; It is characterized in that: said topworks comprises air-pressure duct, the cylinder that communicates with said air-pressure duct and the solenoid valve that is series at said air-pressure duct, and said solenoid valve and said central controller electrically connect.

4. the pilot system of horn button according to claim 3, it is characterized in that: said test loop comprises A.C. contactor, shunt, said horn button and the loudspeaker load of series connection.

5. the pilot system of horn button according to claim 4; It is characterized in that: said testing circuit comprises reometer, and two input ends of said reometer are parallel to first, second input port that said shunt, two output terminals are electrically connected at said central controller.

6. the pilot system of horn button according to claim 5; It is characterized in that: said testing circuit comprises first relay; The coils from parallel connection of coils of said first relay is in said loudspeaker load, and a contact of said first relay is electrically connected at the 3rd input port that said test loop, another contact are electrically connected at said central controller.

7. the pilot system of horn button according to claim 6; It is characterized in that: said control circuit comprises the city's electric knife switch and second relay, and said city electric knife switch is linked in sequence and is back to said city electric knife switch behind the coil of two normally closed contacts of said second relay, said A.C. contactor; First, second output port of said central controller is electrically connected at the coil two ends of said second relay.

8. according to the pilot system of any described horn button of claim 1 to 7, it is characterized in that: said loudspeaker load is a light-emitting component.

9. according to the pilot system of any described horn button of claim 2 to 7, it is characterized in that: said pilot system comprises alarm unit, and said alarm unit and said central controller electrically connect.

10. according to the pilot system of any described horn button of claim 1 to 7, it is characterized in that: said stand is the aluminium section bar with chute.