CN108111152B - Automatic switching circuit for passenger door test of passenger car - Google Patents
Automatic switching circuit for passenger door test of passenger car Download PDFInfo
- Publication number
- CN108111152B CN108111152B CN201810155676.6A CN201810155676A CN108111152B CN 108111152 B CN108111152 B CN 108111152B CN 201810155676 A CN201810155676 A CN 201810155676A CN 108111152 B CN108111152 B CN 108111152B
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- delay relay
- terminal
- passenger door
- coil
- passenger
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/296—Time-programme switches providing a choice of time-intervals for executing more than one switching action and automatically terminating their operation after the programme is completed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- General Physics & Mathematics (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses an automatic switching circuit for passenger door test of a passenger car, which comprises a switching power supply U, wherein the switching power supply U is connected with a terminal 30 of a first delay relay KT1, a terminal 30 of a second delay relay KT2 and one end of an inner travel switch K2 through a control switch K1; the terminal 30 of the first delay relay KT1 is connected with one end of an inner travel switch K2, the other end of the inner travel switch K2 is connected with the terminal 85 of the first delay relay KT1, and the terminal 86 is connected with GND1; the terminal 87 of the first time delay relay KT1 is connected GND4 through the second solenoid coil DT 2; terminal 87a of first delay relay KT1 is connected to terminal 85 of second delay relay KT2, and terminal 86 is connected to GND2; a terminal 87 of the second delay relay KT2 is connected to GND3 through the first solenoid valve coil DT 1; the end A1 is connected with one end of the passenger door pump M through the second throttle valve P2, and the other end of the passenger door pump M is connected with the end A2 through the first throttle valve P1. The invention is used for testing the stability and durability of the passenger door.
Description
Technical Field
The invention relates to an automatic switching circuit for passenger door test of a passenger car, in particular to an automatic switching circuit for passenger door test of a passenger car for passenger door stability and durability function test.
Background
With the rapid increase of private cars, urban traffic congestion is becoming more and more severe. The passenger car is an important member of urban public transportation cities, and becomes the first choice for more citizens to go out. With the advancement of technology and the increasing demands of passengers on user experience, public transportation is not limited to be usable, but is going to be more durable and better, and functional verification of stability and durability of various parts and assemblies of the passenger car is increasingly important. Passenger doors of passenger cars often need to be frequently opened and closed, and the stability and durability of the passenger doors are tested, and if an opening or closing button is continuously pressed by a person, the passenger doors are tested until the passenger doors are abnormal. How to design a circuit to automatically test the stability and durability of the passenger door is an indispensable reliability verification for passenger car quality test.
Disclosure of Invention
The invention provides an automatic switching circuit for passenger door test of a passenger car, which is used for passenger door stability and durability function test.
The aim of the invention can be achieved by the following technical scheme:
an automatic switching circuit for passenger door test of a passenger car comprises a switching power supply U, a control switch K1, a first delay relay KT1, a second delay relay KT2, a passenger door electromagnetic valve MV, a passenger door pump M, an inner travel switch K2, a first throttle valve P1 and a second throttle valve P2;
the switching power supply U is connected with a terminal 30 of the first delay relay KT1 through a control switch K1, is connected with a terminal 30 of the second delay relay KT2, and is connected with one end of an inner travel switch K2; the other end of the inner travel switch K2 is connected with a terminal 85 of a first delay relay KT1, and a terminal 86 of the first delay relay KT1 is connected with GND1; the terminal 87 of the first time delay relay KT1 is connected GND4 through the second solenoid coil DT2 of the passenger door solenoid MV; terminal 87a of first delay relay KT1 is connected to terminal 85 of second delay relay KT2, and terminal 86 of second delay relay KT2 is connected to GND2; the terminal 87 of the second delay relay KT2 is connected to GND3 through the first solenoid coil DT1 of the passenger door solenoid MV; the end A1 of the passenger door electromagnetic valve MV is connected with one end of the passenger door pump M through a second throttle valve P2, and the other end of the passenger door pump M is connected with the end A2 of the passenger door electromagnetic valve MV through a first throttle valve P1;
the switching power supply U is connected with 220V alternating current, and converts the 220V alternating current power supply into 24-36V direct current;
the switching power supply U is connected with 220V alternating current, the control switch K1 is closed, and the circuit starts to operate;
the passenger door solenoid valve MV comprises a first solenoid valve coil DT1, a second solenoid valve coil DT2, an end A1 and an end A2;
an automatic switching circuit for passenger door test of a passenger car operates, comprising the following steps:
step S1, when a passenger door is in a closed state, a control switch K1 is closed;
s2, coil delay attraction of a second delay relay KT2, so that a terminal 30 of the second delay relay KT2 is disconnected from a terminal 87a of the second delay relay KT2, a terminal 30 of the second delay relay KT2 is communicated with a terminal 87 of the second delay relay KT2, a first solenoid valve coil DT1 of a passenger door solenoid valve MV is electrified, and an A1 end of the gas circuit passenger door solenoid valve MV drives the passenger door pump M to open a passenger door through a second throttle valve P2, a passenger door pump M, a first throttle valve P1 and an A2 end of the gas circuit passenger door solenoid valve MV;
step S3, when the passenger door is opened, the inner travel switch K2 is closed, the switching power supply U is connected with the inner travel switch K2, the terminal 85 of the first delay relay KT1 and the terminal 86 of the first delay relay KT1 through the control switch K1, the coil of the first delay relay KT1 is in delay attraction, the terminal 30 of the first delay relay KT1 is disconnected with the terminal 87a of the first delay relay KT1, the terminal 30 of the first delay relay KT1 is connected with the terminal 87a of the first delay relay KT1, the coil attraction of the second delay relay KT2 is disappeared, the terminal 30 of the second delay relay KT2 is connected with the terminal 87a of the second delay relay KT2, the first solenoid valve coil DT1 stops working, the second solenoid valve coil DT2 of the passenger door solenoid valve MV is electrified, the A2 end of the passenger door solenoid valve MV is driven to be disconnected through the first throttle valve P1, the passenger door pump M, the passenger door pump P1 and the A1 end of the passenger door solenoid valve MV valve M;
step S4, when the passenger door is opened, the inner travel switch K2 is turned off; the coil of the first delay relay KT1 is powered off, the terminal 30 of the first delay relay KT1 is disconnected from the terminal 87 of the first delay relay KT1, the terminal 30 of the first delay relay KT1 is connected with the terminal 87a of the first delay relay KT1, the coil of the second delay relay KT2 is powered on and attracted, the terminal 30 of the second delay relay KT2 is disconnected from the 87a of the second delay relay KT2, the terminal 30 of the second delay relay KT2 is connected with the terminal 87 of the second delay relay KT2, the first solenoid valve coil DT1 of the passenger door solenoid valve MV is powered on, the A1 end of the gas circuit passenger door solenoid valve MV passes through the second throttle valve P2, the passenger door pump M, the first throttle valve P1 and the A2 end of the gas circuit passenger door solenoid valve MV to drive the passenger door pump M to open the passenger door;
step S5, repeating the step S3-the step S4 until the control switch K1 is turned off;
the coil delay sucking time of the first delay relay KT1 and the coil delay sucking time of the second delay relay KT2 are both required to be longer than the closing action time and the opening action time of the inner travel switch K2.
The invention provides an automatic switching circuit for passenger door test of a passenger car, which is used for passenger door stability and durability function test.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is a schematic diagram of a main circuit of an automatic switching circuit for testing a passenger door of a passenger car according to the present invention.
Detailed Description
An automatic switching circuit for passenger door test of a passenger car, as shown in fig. 1, comprises a switching power supply U, a control switch K1, a first delay relay KT1, a second delay relay KT2, a passenger door electromagnetic valve MV, a passenger door pump M, an inner travel switch K2, a first throttle valve P1 and a second throttle valve P2;
the switching power supply U is connected with a terminal 30 of the first delay relay KT1 through a control switch K1, is connected with a terminal 30 of the second delay relay KT2, and is connected with one end of an inner travel switch K2; the other end of the inner travel switch K2 is connected with a terminal 85 of a first delay relay KT1, and a terminal 86 of the first delay relay KT1 is connected with GND1; the terminal 87 of the first time delay relay KT1 is connected GND4 through the second solenoid coil DT2 of the passenger door solenoid MV; terminal 87a of first delay relay KT1 is connected to terminal 85 of second delay relay KT2, and terminal 86 of second delay relay KT2 is connected to GND2; the terminal 87 of the second delay relay KT2 is connected to GND3 through the first solenoid coil DT1 of the passenger door solenoid MV; the end A1 of the passenger door electromagnetic valve MV is connected with one end of the passenger door pump M through a second throttle valve P2, and the other end of the passenger door pump M is connected with the end A2 of the passenger door electromagnetic valve MV through a first throttle valve P1;
the switching power supply U is connected with 220V alternating current, and converts the 220V alternating current power supply into 24-36V direct current;
the switching power supply U is connected with 220V alternating current, the control switch K1 is closed, and the circuit starts to operate;
the passenger door solenoid valve MV comprises a first solenoid valve coil DT1, a second solenoid valve coil DT2, an end A1 and an end A2;
an automatic switching circuit for passenger door test of a passenger car operates, comprising the following steps:
step S1, when a passenger door is in a closed state, a control switch K1 is closed;
s2, coil delay attraction of a second delay relay KT2, so that a terminal 30 of the second delay relay KT2 is disconnected from a terminal 87a of the second delay relay KT2, a terminal 30 of the second delay relay KT2 is communicated with a terminal 87 of the second delay relay KT2, a first solenoid valve coil DT1 of a passenger door solenoid valve MV is electrified, and an A1 end of the gas circuit passenger door solenoid valve MV drives the passenger door pump M to open a passenger door through a second throttle valve P2, a passenger door pump M, a first throttle valve P1 and an A2 end of the gas circuit passenger door solenoid valve MV;
step S3, when the passenger door is opened, the inner travel switch K2 is closed, the switching power supply U is connected with the inner travel switch K2, the terminal 85 of the first delay relay KT1 and the terminal 86 of the first delay relay KT1 through the control switch K1, the coil of the first delay relay KT1 is in delay attraction, the terminal 30 of the first delay relay KT1 is disconnected with the terminal 87a of the first delay relay KT1, the terminal 30 of the first delay relay KT1 is connected with the terminal 87a of the first delay relay KT1, the coil attraction of the second delay relay KT2 is disappeared, the terminal 30 of the second delay relay KT2 is connected with the terminal 87a of the second delay relay KT2, the first solenoid valve coil DT1 stops working, the second solenoid valve coil DT2 of the passenger door solenoid valve MV is electrified, the A2 end of the passenger door solenoid valve MV is driven to be disconnected through the first throttle valve P1, the passenger door pump M, the passenger door pump P1 and the A1 end of the passenger door solenoid valve MV valve M;
step S4, when the passenger door is opened, the inner travel switch K2 is turned off; the coil of the first delay relay KT1 is powered off, the terminal 30 of the first delay relay KT1 is disconnected from the terminal 87 of the first delay relay KT1, the terminal 30 of the first delay relay KT1 is connected with the terminal 87a of the first delay relay KT1, the coil of the second delay relay KT2 is powered on and attracted, the terminal 30 of the second delay relay KT2 is disconnected from the 87a of the second delay relay KT2, the terminal 30 of the second delay relay KT2 is connected with the terminal 87 of the second delay relay KT2, the first solenoid valve coil DT1 of the passenger door solenoid valve MV is powered on, the A1 end of the gas circuit passenger door solenoid valve MV passes through the second throttle valve P2, the passenger door pump M, the first throttle valve P1 and the A2 end of the gas circuit passenger door solenoid valve MV to drive the passenger door pump M to open the passenger door;
step S5, repeating the step S3-the step S4 until the control switch K1 is turned off;
the coil delay sucking time of the first delay relay KT1 and the coil delay sucking time of the second delay relay KT2 are both required to be longer than the closing action time and the opening action time of the inner travel switch K2, otherwise, the situation that the passenger door is closed when the passenger door is not completely opened can occur;
calculating the total number of opening and closing the passenger door by manually counting the working time of the circuit; or a counter is connected to the circuit, the technical device records the working time of the automatic opening and closing circuit of the passenger door and the input times of door opening or closing signals, and reads the total opening and closing number of the passenger door; the circuit is used for passenger door stability and durability function test.
The invention provides an automatic switching circuit for passenger door test of a passenger car, which is used for passenger door stability and durability function test.
The foregoing is merely illustrative and explanatory of the principles of the invention, as various modifications and additions may be made to the specific embodiments described, or similar thereto, by those skilled in the art, without departing from the principles of the invention or beyond the scope of the appended claims.
Claims (5)
1. The utility model provides an automatic switch circuit for passenger train passenger door test, includes switching power supply U, control switch K1, first time delay relay KT1, second time delay relay KT2, passenger door solenoid valve MV, passenger door pump M, interior travel switch K2, first choke P1, second choke P2, its characterized in that:
the switching power supply U is connected with a terminal 30 of the first delay relay KT1 through a control switch K1, is connected with a terminal 30 of the second delay relay KT2, and is connected with one end of an inner travel switch K2; the other end of the inner travel switch K2 is connected with a terminal 85 of a first delay relay KT1, and a terminal 86 of the first delay relay KT1 is connected with GND1; the terminal 87 of the first delay relay KT1 is connected to GND4 through the second solenoid coil DT2 of the passenger door solenoid MV; terminal 87a of first delay relay KT1 is connected to terminal 85 of second delay relay KT2, and terminal 86 of second delay relay KT2 is connected to GND2; the terminal 87 of the second delay relay KT2 is connected to GND3 through the first solenoid coil DT1 of the passenger door solenoid MV; the end A1 of the passenger door electromagnetic valve MV is connected with one end of the passenger door pump M through a second throttle valve P2, and the other end of the passenger door pump M is connected with the end A2 of the passenger door electromagnetic valve MV through a first throttle valve P1;
the circuit operates, comprising the following steps:
step S1, when a passenger door is in a closed state, a control switch K1 is closed;
s2, coil delay attraction of a second delay relay KT2, so that a terminal 30 of the second delay relay KT2 is disconnected from a terminal 87a of the second delay relay KT2, a terminal 30 of the second delay relay KT2 is communicated with a terminal 87 of the second delay relay KT2, a first solenoid valve coil DT1 of a passenger door solenoid valve MV is electrified, and an A1 end of the gas circuit passenger door solenoid valve MV drives the passenger door pump M to open a passenger door through a second throttle valve P2, a passenger door pump M, a first throttle valve P1 and an A2 end of the gas circuit passenger door solenoid valve MV;
step S3, when the passenger door is opened, the inner travel switch K2 is closed, the switching power supply U is connected with the inner travel switch K2, the terminal 85 of the first delay relay KT1 and the terminal 86 of the first delay relay KT1 through the control switch K1, the coil of the first delay relay KT1 is in delay attraction, the terminal 30 of the first delay relay KT1 is disconnected with the terminal 87a of the first delay relay KT1, the terminal 30 of the first delay relay KT1 is connected with the terminal 87a of the first delay relay KT1, the coil attraction of the second delay relay KT2 is disappeared, the terminal 30 of the second delay relay KT2 is connected with the terminal 87a of the second delay relay KT2, the first solenoid valve coil DT1 stops working, the second solenoid valve coil DT2 of the passenger door solenoid valve MV is electrified, the A2 end of the passenger door solenoid valve MV is driven to be disconnected through the first throttle valve P1, the passenger door pump M, the passenger door pump P2 and the A1 end of the passenger door solenoid valve MV valve M;
step S4, when the passenger door is closed, the inner travel switch K2 is turned off; the coil of the first delay relay KT1 is powered off, the terminal 30 of the first delay relay KT1 is disconnected from the terminal 87 of the first delay relay KT1, the terminal 30 of the first delay relay KT1 is connected with the terminal 87a of the first delay relay KT1, the coil of the second delay relay KT2 is powered on and attracted, the terminal 30 of the second delay relay KT2 is disconnected from the 87a of the second delay relay KT2, the terminal 30 of the second delay relay KT2 is connected with the terminal 87 of the second delay relay KT2, the first solenoid valve coil DT1 of the passenger door solenoid valve MV is powered on, the A1 end of the gas circuit passenger door solenoid valve MV passes through the second throttle valve P2, the passenger door pump M, the first throttle valve P1 and the A2 end of the gas circuit passenger door solenoid valve MV to drive the passenger door pump M to open the passenger door;
and S5, repeating the steps S3-S4 until the control switch K1 is turned off.
2. The automatic switching circuit for passenger door test of claim 1, wherein the switching power supply U is connected with 220V ac power, and the switching power supply U converts the 220V ac power into 24-36V dc power.
3. An automatic switching circuit for passenger door test of a passenger car according to claim 1, wherein the switching power supply U is connected with 220V ac power, and the control switch K1 is closed, and the circuit starts to operate.
4. An automatic switching circuit for passenger door test according to claim 1, wherein the passenger door solenoid valve MV comprises a first solenoid coil DT1, a second solenoid coil DT2, an A1 terminal and an A2 terminal.
5. The automatic switching circuit for testing the passenger door of the passenger car according to claim 1, wherein the coil delay time of the first delay relay KT1 and the coil delay time of the second delay relay KT2 are both required to be longer than the closing action time and the opening action time of the inner travel switch K2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155676.6A CN108111152B (en) | 2018-02-23 | 2018-02-23 | Automatic switching circuit for passenger door test of passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155676.6A CN108111152B (en) | 2018-02-23 | 2018-02-23 | Automatic switching circuit for passenger door test of passenger car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108111152A CN108111152A (en) | 2018-06-01 |
| CN108111152B true CN108111152B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810155676.6A Active CN108111152B (en) | 2018-02-23 | 2018-02-23 | Automatic switching circuit for passenger door test of passenger car |
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| CN (1) | CN108111152B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359543A (en) * | 2021-05-24 | 2021-09-07 | 昆明中车轨道交通装备有限公司 | City rail vehicle guest room door test control device |
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| Publication number | Publication date |
|---|---|
| CN108111152A (en) | 2018-06-01 |
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