CN213634199U

CN213634199U - Automatic continuous aging testing circuit for program control instrument

Info

Publication number: CN213634199U
Application number: CN202023008707.7U
Authority: CN
Inventors: 李求龙; 王华平
Original assignee: Nanjing Minsheng Electronic Instruments Co ltd
Current assignee: Nanjing Minsheng Electronic Instruments Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-07-06
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses an automatic continuous aging testing circuit for a programmable instrument, which comprises a PLC output port, a button, a first relay, a second relay, a third relay, a fourth relay, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor and a power supply, wherein the button is connected with the PLC output port, the first relay is connected with the PLC output port, the first capacitor is connected with the first relay, the second relay is connected with the PLC output port, the third capacitor is connected with the second relay, the third relay is connected with the PLC output port, the fourth capacitor is connected with the third relay, the fourth relay is connected with the PLC output port, the first capacitor, the second capacitor, the third capacitor and the fourth capacitor are connected with the power supply, the first relay, the second relay and the third relay are connected with the power supply, the utility model belongs to the technical field of testing for the programmable tester, in particular to an automatic continuous testing aging circuit of a program control instrument capable of automatically testing.

Description

Automatic continuous aging testing circuit for program control instrument

Technical Field

The utility model belongs to the technical field of program-controlled tester test is used, specifically indicate an automatic ageing circuit of surveying even of program-controlled instrument.

Background

The novel machine has to carry out a whole machine aging experiment after debugging is completed so as to ensure the stability and reliability of the instrument in the future, under the general condition, the instrument is only subjected to power-on aging of the whole machine and does not operate and age continuously, but the power-on aging of the whole machine can not completely ensure the stability and reliability of a customer in the using process, and the instrument can be ensured to be stable and reliable only by simulating the loaded continuous operation of the customer, but the continuous operation needs to be operated by people, so that the labor cost is high, and the efficiency is not high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a can automatic test programme-controlled instrument automatic even survey ageing circuit.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: the utility model provides an automatic ageing circuit of surveying even of programme-controlled instrument, includes PLC delivery outlet, button, relay one, relay two, relay three, relay four, electric capacity one, electric capacity two, electric capacity three, electric capacity four and power, the button links to each other with the PLC delivery outlet, relay one links to each other with the PLC delivery outlet, electric capacity one links to each other with relay one, electric capacity two links to each other with relay one, relay two links to each other with the PLC delivery outlet, electric capacity three links to each other with relay two, relay three links to each other with the PLC delivery outlet, electric capacity four links to each other with the PLC delivery outlet, electric capacity one, electric capacity two, electric capacity three, electric capacity four link to each other with the power, the PLC delivery outlet links to each other with the power, relay one, relay two, relay three link to each other with the power.

Furthermore, the first capacitor, the second capacitor, the third capacitor and the fourth capacitor are all connected with a resistor in parallel.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a pair of automatic ageing circuit of surveying even of programme-controlled instrument, reasonable in design utilizes electric capacity charge-discharge principle to realize the closed disconnection one by one of relay, obtains resetting and start signal then, realizes the continuous operation of instrument, and because of the relay contact only gives the turn-on signal and does not have the electric current to pass through, so durability strengthens greatly, so this circuit is with low costs, practical good reliability.

Drawings

Fig. 1 is a circuit diagram of the automatic continuous aging circuit of the program control instrument of the present invention;

wherein, S1: keys, K1-K4: a first relay, a second relay, a third relay and a fourth relay, wherein the first relay, the second relay, the third relay and the fourth relay are C1-C4: a first capacitor, a second capacitor, a third capacitor and a fourth capacitor, wherein R1-R4: resistance one, resistance two, resistance three, resistance four, J1: and (6) a PLC output port.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As fig. 1, the utility model relates to an automatic ageing circuit of surveying even of programme-controlled instrument, including PLC delivery outlet, button, relay I, relay II, relay III, relay IV, electric capacity I, electric capacity II, electric capacity III, electric capacity IV and power, the button links to each other with the PLC delivery outlet, relay I links to each other with the PLC delivery outlet, electric capacity I links to each other with relay I, electric capacity II links to each other with relay I, relay II links to each other with the PLC delivery outlet, electric capacity III links to each other with the relay II, relay III links to each other with the PLC delivery outlet, electric capacity IV links to each other with the PLC delivery outlet, electric capacity I, electric capacity II, electric capacity III, electric capacity IV link to each other with the power, the PLC delivery outlet links to each other with the power, relay I, relay II, relay III link to each other with the power.

The first capacitor, the second capacitor, the third capacitor and the fourth capacitor are connected with resistors in parallel.

As shown in fig. 1, when a start key S1 is pressed, namely, a 2/5 pin in J1 is short-circuited, the instrument runs, when the timing time is up, the instrument sends a pass signal, a 6/7 pin in J1 is short-circuited, a 5V positive voltage charges a capacitor C1 through a K1 relay 6/2 normally closed point, a K1 relay is attracted, 6/2 is normally closed and disconnected, a capacitor C1 discharges to a K1 relay coil, the relay loses power in a delayed manner, a K1 relay 6/2 normally closed point is closed after the power is lost, and the operations are repeated. A pin 3/5 of a K1 relay obtains an intermittent closing signal, a capacitor C2 is charged, meanwhile, the K2 relay is attracted, K2 relays 4/6 and 3/5 respectively obtain an intermittent closing signal, 3/5 is closed, namely 3/5 in J1 is short-circuited, so that the instrument is reset, the qualified signal disappears, and the K1 relay is not attracted. Meanwhile, a K2 relay 4/6 is closed, a capacitor C3 is charged, a K3 relay is attracted, a K3 relay 2/3 pin is closed, a capacitor C4 is charged, a K4 relay is attracted, a K4 relay 2/3 pin is closed, namely a 2/5 pin in J1 is short-circuited, and the instrument is started again. After the timing time is up, the circuit is started again after the instrument sends out a qualified signal. This circuit utilizes electric capacity charge and discharge principle to realize closing the disconnection one by one of relay, obtains resetting and start signal then, realizes the continuous operation of instrument, and because of the relay contact only gives the turn-on signal and does not have the electric current to pass through, so the durability strengthens greatly, so this circuit is with low costs, and practical reliability is strong.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides an automatic aging circuit that tests in succession of programme-controlled instrument which characterized in that: including PLC delivery outlet, button, relay one, relay two, relay three, relay four, electric capacity one, electric capacity two, electric capacity three, electric capacity four and power, the button links to each other with the PLC delivery outlet, relay one links to each other with the PLC delivery outlet, electric capacity one links to each other with relay one, electric capacity two links to each other with relay one, relay two links to each other with the PLC delivery outlet, electric capacity three links to each other with relay two, relay three links to each other with the PLC delivery outlet, electric capacity four links to each other with relay three, relay four links to each other with the PLC delivery outlet, electric capacity one, electric capacity two, electric capacity three, electric capacity four link to each other with the power, the PLC delivery outlet links to each other with the power, relay one, relay two, relay three link to each other with the power.

2. The automatic continuous-test aging circuit of the program-controlled instrument according to claim 1, characterized in that: the first capacitor, the second capacitor, the third capacitor and the fourth capacitor are connected with resistors in parallel.