CN216209765U - Countable multi-section time control circulating system - Google Patents

Abstract

The utility model provides a countable multi-section time control circulating system, which can solve the problems of manual waiting and manual counting in the prior art, has better test flexibility and adaptability to a lamp test, and can meet the test requirement of the test; a countable multi-section time control circulating system is connected with a cold-hot circulation impact test box and a lamp arranged in the cold-hot circulation impact test box, and comprises eight branches connected between a live line L and a zero line N; eight branches are provided with a button switch SB1, a button switch SB2, intermediate relays K0, K1, K2, time relays T0, T1, T2, T3, a counter J1 and an auxiliary relay M0.

Description

Countable multi-section time control circulating system

Technical Field

The utility model relates to the technical field of lamp tests, in particular to a countable multi-stage time control circulating system.

Background

With the continuous popularization of LED illumination, the performance of LED lamps is continuously improved, the applicable scenes are wider, more and more illumination scenes can be applied to the LED lamps, and the reliability of the LED lamps becomes more and more important because the energy-saving and environment-friendly illumination mode meets the national energy-saving and environment-friendly development requirements and also meets the high-efficiency and healthy illumination requirements of users.

The judgment basis for the reliability of the LED lamp is mainly indicated in the 5 th test temperature cycle test requirement in the GB/T33721 and 2017 reliability test method of the LED lamp according to the national standard GB/T33721 and 2017 reliability test method of the LED lamp, and the reliability test of the LED lamp needs to meet the requirements of multi-time-period time control and multiple times of cycle; the reliability test method commonly used by the LED lamp at present is as follows: as shown in fig. 1, the cold-hot cycle impact machine 1 is controlled by a combination of common on-off switches 4 and 5 and a time control switch 3 to achieve the purpose of controlling a lamp 2, but the time control switch 3 is a single-time-period common time control switch, only lamp flicker can be set, namely, normally on time/normally off time, and the problems of rigid control mode and insufficient flexibility exist, and the number of times of cycle can not be displayed in real time, and the switching mode has no flexibility in product tests (such as changing the highest temperature, the lowest temperature, time and the like), so that the requirements of testing multi-time-period time control and multiple-time cycle can be met by waiting artificially, controlling the lamp switch artificially and counting artificially, and the requirements of tests can not be met quickly and are extremely inconvenient if new test requirements of different environmental temperatures and time conditions exist; meanwhile, the on-load capacity of the switch is weak, the on-load service life of the switch is short, and the test cost is high.

Disclosure of Invention

Aiming at the problems, the utility model provides a countable multi-stage time control circulating system, which can solve the problems of manual waiting and manual counting in the prior art, has better test flexibility and adaptability for lamp tests, and can meet the test requirements of the tests.

The technical scheme is as follows: the utility model provides a countable multistage time control circulation system, its with cold and hot circulation impact test case and set up in the lamps and lanterns homogeneous phase in the cold and hot circulation impact test case is connected which characterized in that: the countable multi-stage time control circulating system comprises eight branches connected between a live line L and a zero line N;

wherein: the first branch circuit comprises a push-button switch SB1, a push-button switch SB2, a coil of an intermediate relay K0, a normally open contact K0-1 of an intermediate relay K0 and a coil of a counter J1; the coils of the push-button switch SB1, the push-button switch SB2 and the intermediate relay K0 are sequentially connected in series, the normally open contact K0-1 of the intermediate relay K0 is connected with two ends of the push-button switch SB1 in parallel, and the coil of the counter J1 is connected with two ends of the coil of the intermediate relay K0 in parallel;

the second branch circuit comprises a normally open contact K0-2 of an intermediate relay K0 and a coil of a time relay T0; a normally open contact K0-2 of the intermediate relay K0 is connected in series with the coil of the time relay T0;

the third branch comprises a normally closed contact T0-1 of a time relay T0, a normally open contact T0-2, a normally open contact K0-3 of an intermediate relay K0, a normally open contact K0-4, a normally open contact K1-1 of an intermediate relay K1, a normally closed contact K1-2, a normally open contact K2-1 of an intermediate relay K2, a coil of an auxiliary relay M0, a normally closed contact T3-1 of the time relay T3, a coil of the time relay T1 and a coil of a time relay T2; the normally closed contact T0-1, the normally open contact K0-3 and the coil of the auxiliary relay M0 are sequentially connected in series; after the normally open contact T0-2, the normally open contact K1-2, the normally open contact K2-1 and the normally closed contact T3-1 are sequentially connected in series, connecting points at two ends are connected in parallel at two ends of the normally closed contact T0-1; one end of each of the normally open contact K1-1 and the normally open contact K0-4 is connected between the normally open contact T0-2 and the normally open contact K1-2; the other end of the normally open contact K1-1 is connected between the normally open contact K1-2 and the normally open contact K2-1, the other end of the normally open contact K0-4 is connected with a coil of the time relay T1, and a coil of the time relay T2 is connected in parallel at two ends of a coil of the time relay T1;

the fourth branch comprises a normally open contact T1-1 of a time relay T1 and a coil of an intermediate relay K1, wherein the normally open contact T1-1 of the time relay T1 is connected with the coil of the intermediate relay K1 in series;

the fifth branch comprises a normally open contact T2-1 of a time relay T2 and a coil of an intermediate relay K2, wherein the normally open contact T2-1 of the time relay T2 is connected with the coil of the intermediate relay K2 in series;

the sixth branch comprises a normally open contact K2-2 of an intermediate relay K2 and a coil of a time relay T3, and the normally open contact K2-2 of the intermediate relay K2 is connected with the coil of the time relay T3 in series;

the seventh branch comprises a normally open contact K1-3 of an intermediate relay K1 and an induction probe J1-S of a counter J1, wherein the normally open contact K1-3 of the intermediate relay K1 is connected with the induction probe J1-S of the counter J1 in series;

the eighth branch comprises a normally open contact M0-1 of an auxiliary relay M0, and a normally open contact M0-1 of an auxiliary relay M0 is connected with the lamp in series;

the time relays T0, T1, T2 and T3 are all electrically connected with the cold-hot cycle impact test box.

Further, the button switch SB1 is a start normally open button, and the button switch SB2 is a stop normally closed button.

The utility model has the advantages that the setting parameters can be conveniently changed to meet the new test requirements when the lamp test conditions are changed, so that the problems of man-waiting and man-counting of the test times in the existing test process are solved, a tester is not required to manually operate a switch at any moment, and the lamp test system is more humanized and visual and has better test flexibility and adaptability.

Drawings

FIG. 1 is a schematic diagram of a prior art test apparatus connection;

FIG. 2 is a circuit schematic of the present invention;

FIG. 3 is a timing diagram of the turning on/off of the lamp and the temperature control according to the present invention;

FIG. 4 is a timing diagram of the elements of the present invention.

Detailed Description

As shown in fig. 2 to 4, a countable multi-stage time control cycle system is connected to a cold and hot cycle impact test chamber and a lamp X1 disposed in the cold and hot cycle impact test chamber, and includes eight branches connected between a live line L and a neutral line N;

a button switch SB1, a button switch SB2, intermediate relays K0, K1, K2, time relays T0, T1, T2, T3, a counter J1 and an auxiliary relay M0 are arranged in the eight branches; the button switch SB1 is a starting normally open button, and the button switch SB2 is a stopping normally closed button;

wherein: the first branch circuit comprises a push-button switch SB1, a push-button switch SB2, a coil of an intermediate relay K0, a normally open contact K0-1 of an intermediate relay K0 and a coil of a counter J1; the coils of the button switch SB1, the button switch SB2 and the intermediate relay K0 are sequentially connected in series, a normally open contact K0-1 of the intermediate relay K0 is connected in parallel at two ends of the button switch SB1, and a coil of the counter J1 is connected in parallel at two ends of a coil of the intermediate relay K0;

the second branch circuit comprises a normally open contact K0-2 of an intermediate relay K0 and a coil of a time relay T0; a normally open contact K0-2 of the intermediate relay K0 is connected in series with a coil of the time relay T0;

the third branch comprises a normally closed contact T0-1 of a time relay T0, a normally open contact T0-2, a normally open contact K0-3 of an intermediate relay K0, a normally open contact K0-4, a normally open contact K1-1 of an intermediate relay K1, a normally closed contact K1-2, a normally open contact K2-1 of an intermediate relay K2, a coil of an auxiliary relay M0, a normally closed contact T3-1 of the time relay T3, a coil of the time relay T1 and a coil of a time relay T2; the normally closed contact T0-1, the normally open contact K0-3 and the coil of the auxiliary relay M0 are connected in series in sequence; after the normally open contact T0-2, the normally open contact K1-2, the normally open contact K2-1 and the normally closed contact T3-1 are sequentially connected in series, connecting points at two ends are connected in parallel at two ends of the normally closed contact T0-1; one ends of the normally open contact K1-1 and the normally open contact K0-4 are connected between the normally open contact T0-2 and the normally open contact K1-2; the other end of the normally open contact K1-1 is connected between the normally open contact K1-2 and the normally open contact K2-1, the other end of the normally open contact K0-4 is connected with a coil of a time relay T1, and a coil of the time relay T2 is connected to two ends of a coil of a time relay T1 in parallel;

the fourth branch comprises a normally open contact T1-1 of a time relay T1 and a coil of an intermediate relay K1, and the normally open contact T1-1 of the time relay T1 is connected with the coil of the intermediate relay K1 in series;

the fifth branch comprises a normally open contact T2-1 of a time relay T2 and a coil of an intermediate relay K2, and the normally open contact T2-1 of the time relay T2 is connected with the coil of the intermediate relay K2 in series;

the sixth branch comprises a normally open contact K2-2 of an intermediate relay K2 and a coil of a time relay T3, and the normally open contact K2-2 of the intermediate relay K2 is connected with the coil of the time relay T3 in series;

the seventh branch comprises a normally open contact K1-3 of an intermediate relay K1 and an induction probe J1-S of a counter J1, and a normally open contact K1-3 of the intermediate relay K1 is connected with the induction probe J1-S of the counter J1 in series;

the eighth branch comprises a normally open contact M0-1 of an auxiliary relay M0, and a normally open contact M0-1 of an auxiliary relay M0 is connected with a lamp X1 in series;

the time relays T0, T1, T2 and T3 are all electrically connected with the cold-hot cycle impact test box.

A countable multi-segment clocked cycle method comprising the steps of:

s1, setting timing parameters, X1 time parameters of the lamp and test time parameters of the cold-hot cycle impact test box,

namely: the test time parameters of the cold-hot cycle impact test box are as follows: the cold circulation time is 70min totally, and the heat circulation time is 70min totally;

the steady state (normally on state or normally off state) time of the lamp X1 is 60min totally, and the flashing time of the lamp X1 is 10min totally;

the flashing frequency of the lamp X1 is: lighting for 10s and extinguishing for 50s as a flash;

the first timing time T0-1 of the time relay T0 is set to 70min, and the second timing time T0-2 is set to 99 h; the second time of the time relay T0 is the total cycle test time of the countable multi-stage time control cycle system;

the first timing time T1-1 of the time relay T1 is set to be 70min, and the second timing time T1-2 is set to be 70 min;

the first timing time T2-1 of the time relay T2 is set to be 60min, and the second timing time T2-2 is set to be 10 min;

the first timer time T3-1 of the time relay T3 is set to 10s, and the second timer time T3-2 is set to 50s

Connecting the cold-hot circulation impact test box with a lamp X1 and a countable multi-stage time control circulation system, and then electrifying;

s2, pressing a button switch SB1, entering a preheating period: under the condition that the first branch is conducted, the second branch and the third branch work to enable the cold-hot circulation impact test box to start heating and temperature rise, the temperature is kept at a high temperature for a period of time after the temperature rise is finished, and the lamp X1 is lightened in the time period of temperature rise and high temperature keeping;

s3, after preheating is finished, entering a cold circulation period of temperature reduction and low temperature maintenance: after the timing of the preheating period is finished, the third branch works to enable the lamp X1 to be extinguished, the cold-hot cycle impact test box starts to cool, the temperature is kept at a low temperature for a period of time after the cooling is finished, and at the moment, the lamp X1 flickers according to the set time;

s4, after the cold cycle period ends, entering a hot cycle period of temperature rise and high temperature hold: working from a third branch to an eighth branch, starting temperature rise of the cold-hot circulation impact test box, keeping high temperature after temperature rise is finished, enabling the lamp to be normally on, simultaneously counting cold and hot circulation by a counter J1, displaying through the cold-hot circulation impact test box, then circularly flashing the lamp according to set time after a high-temperature keeping time period is up, and finally repeating the step S3 after the whole cycle period of the cold and hot circulation reaches one-time circulation set time until the set cycle times and the total cycle time are reached, and completing the test; after the test is completed, all the elements are power-off reset by pressing the push switch SB 2.

The experimental requirements and parameters for lamp X1 included the following:

a. according to the experimental requirements, dividing the test time of the cold-hot circulation impact test box into six time periods, namely a normal-temperature to high-temperature heating time period (I), a high-temperature keeping stable time period (II), a high-temperature to low-temperature cooling time period (III), a low-temperature keeping time period (III), a low-temperature to high-temperature heating time period (V), and a high-temperature keeping time period (IV), as shown in FIG. 3;

b. corresponding to fig. 3, the set parameters of each time period in the cold-hot cycle impact test box are as follows:

firstly, taking a time period from normal temperature to high temperature as a preheating period;

secondly, keeping a high temperature for a stable time period to serve as a preheating and heat preservation period;

taking a time period from high temperature to low temperature as a cycle cooling period;

fourthly, keeping the temperature for 60min as a low-temperature keeping period;

a low-temperature to high-temperature heating time period is used as a cyclic heating period;

sixthly, keeping the temperature for 60min as a high-temperature keeping period;

the set time of the time period can be set according to specific test conditions;

c. setting parameters of each timer, setting preheating period and experimental cycle period time parameters, cold and hot cycle time parameters (cold 70min and hot 70min), lamp X1 steady state and flashing time parameters (steady state 60min and flashing 10min), and lamp X1 flashing time parameters (lighting 10S and extinguishing 50S);

d. and calculating the experiment time, pressing a circulation switch end button after the experiment is ended, ending the experiment, and recording the experiment result.

In FIG. 3, the cross-section line is taken as the flashing state of the lamp X1; TH is high temperature, TA is normal temperature, TL is low temperature;

in fig. 4, the hatched area is also the flashing state of the lamp X1.

In the process of one-time circulation operation, the working principle (namely the circulation step) of the utility model is as follows:

1. pressing button switch SB1, the countable multi-stage time control circulation system enters the preheating period:

when the button switch SB1 is pressed, the normally open contact of the button switch SB1 is closed, the normally closed contact of the button switch SB2 is still closed, the coil of the intermediate relay K0 is electrified, the normally open contact K0-1 of the intermediate relay K0 is closed and the normally open contact of the button switch SB1 is closed to form self-locking, and the counter J1 is electrified to start counting;

closing a normally open contact K0-2 of an intermediate relay K0, starting timing when a coil of a time relay T0 is electrified, starting heating and temperature rising of the cold-hot circulation impact test box at the moment, and keeping high temperature, wherein the total time of heating and high temperature keeping is 70 min;

when the first timing time 70min set in the time relay T0 is not timed up, the normally closed contact T0-1 of the time relay T0 is still closed, the coil of the auxiliary relay M0 is electrified, and the lamp X1 is electrified and lightened; a normally open contact K0-3 of the intermediate relay K0 is closed, a coil of the intermediate relay K1 and a coil of the intermediate relay K2 are not electrified, a normally open and normally closed state is kept in a coil power-off state, and meanwhile a normally closed contact T3-1 of the time relay T3 is kept closed;

2. when the first timing time 70min set in the time relay T0 is timed out, namely the preheating period is completed, the multi-stage time control circulation system can be counted to enter a circulation period, namely a cold circulation period of circulation cooling and low-temperature maintenance:

when the first timing time 70min set in the time relay T0 is timed, the normally closed contact T0-1 of the time relay T0 is disconnected, the normally open contact T0-2 is closed, the coil of the auxiliary relay M0 is powered off, the lamp X1 is extinguished, and the coil of the time relay T1 and the coil of the time relay T2 are powered on to start timing;

3. when the first timing time 60min set in the time relay T2 is timed, namely, the temperature is reduced and kept low for 60min, at the moment, a normally open contact T2-1 of the time relay T2 is closed, a coil of an intermediate relay K2 is electrified, a normally open contact K2-2 of the intermediate relay K2 is closed, a coil of a time relay T3 is electrified, a normally closed contact T3-1 of the time relay T3 is closed according to 10S and is disconnected according to 50S for 1min in total for one circulation action, a coil of an auxiliary relay M0 is also electrified in 1min in one circulation, and a lamp X1 is also turned on according to 10S and is turned off according to 50S for one circulation flicker;

4. when the second timing time 10min set by the time relay T2 is timed out, and simultaneously the first timing time 70min set by the time relay T1 is timed out, the second timing time 70min set by the time relay T1 starts timing work, namely, the cycle period starts to run for 70min from the beginning, the cold and hot cycle impact test box starts to enter a thermal cycle period of cycle heating and high temperature maintenance, at the moment, the coil of the intermediate relay K1 is electrified, the time relay T2 is reset, the normally open contact T2-1 of the time relay T2 is disconnected, the coil of the intermediate relay K2 is powered off, the normally closed contact of the intermediate relay K2 is reset, the coil of the time relay T3 is powered off, the normally closed contact T3-1 of the time relay T3 is restored to a closed state, the coil of the auxiliary relay M0 is electrified, the lamp X1 is normally lighted, the coil of the intermediate relay K1 is electrified, the normally open contact K1-3 of the intermediate relay K1 is closed, the inductive probe J1-S of the counter J1 counts once, and the count is displayed through a display screen on the cold and hot cycle impact test box.

5. When the first timing time 60min set in the time relay T2 is timed up, namely the temperature is raised and the high temperature is kept for 60min, at the moment, a normally open contact T2-1 of the time relay T2 is closed, and a coil of an intermediate relay K2 is electrified; a normally open contact K2-2 of an intermediate relay K2 is closed, a coil of a time relay T3 is electrified, a normally closed contact T3-1 of the time relay T3 is closed according to 10S and is opened according to 50S for 1min in a cycle, a coil of an auxiliary relay M0 is also electrified in a cycle of 1min, and a lamp X1 is also lighted according to 10S and is extinguished according to 50S for a cycle and flickers;

6. when the 10min of the second timing time set by the time relay T2 is timed out, and simultaneously, the 70min of the second timing time set by the time relay T1 is timed out, the time relay T1 and the time relay T2 are reset simultaneously, namely, the cycle period runs 140min from the beginning, the cold and hot cycle impact test box starts to enter the next cycle cooling period and the low temperature holding period, the states of all elements are in principle step 2 and are repeated, the countable multi-stage time control cycle system can carry out the cycle test again until the set cycle times and cycle time are reached, and the test is finished;

7. after the test is finished, the button switch SB2 is pressed, the countable multi-stage time control circulation system enters a stop state, namely the button switch SB2 is pressed, the normally closed contact of the button switch SB2 is disconnected, the coil of the intermediate relay K0 is powered off, the normally open contact K0-1 of the intermediate relay K0 and the normally open contact of the button switch SB1 are closed, self-locking is released, the power supply of the counter J1 is powered off, and all elements are reset after being powered off.

In conclusion, the utility model has lower test cost, is more humanized and visual, can conveniently change the set parameters to meet the new test requirement when the lamp test condition is changed, thereby solving the problems of man-made waiting and man-made counting of the test times in the existing test process, needing no tester to manually operate the switch at any moment, and having better test flexibility and adaptability.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (2)

1. The utility model provides a countable multistage time control circulation system, its with cold and hot circulation impact test case and set up in the lamps and lanterns homogeneous phase in the cold and hot circulation impact test case is connected which characterized in that: the countable multi-stage time control circulating system comprises eight branches connected between a live line L and a zero line N;

wherein: the first branch circuit comprises a push-button switch SB1, a push-button switch SB2, a coil of an intermediate relay K0, a normally open contact K0-1 of an intermediate relay K0 and a coil of a counter J1; the coils of the push-button switch SB1, the push-button switch SB2 and the intermediate relay K0 are sequentially connected in series, the normally open contact K0-1 of the intermediate relay K0 is connected with two ends of the push-button switch SB1 in parallel, and the coil of the counter J1 is connected with two ends of the coil of the intermediate relay K0 in parallel;

the second branch circuit comprises a normally open contact K0-2 of an intermediate relay K0 and a coil of a time relay T0; a normally open contact K0-2 of the intermediate relay K0 is connected in series with the coil of the time relay T0;

the third branch comprises a normally closed contact T0-1 of a time relay T0, a normally open contact T0-2, a normally open contact K0-3 of an intermediate relay K0, a normally open contact K0-4, a normally open contact K1-1 of an intermediate relay K1, a normally closed contact K1-2, a normally open contact K2-1 of an intermediate relay K2, a coil of an auxiliary relay M0, a normally closed contact T3-1 of the time relay T3, a coil of the time relay T1 and a coil of a time relay T2; the normally closed contact T0-1, the normally open contact K0-3 and the coil of the auxiliary relay M0 are sequentially connected in series; after the normally open contact T0-2, the normally open contact K1-2, the normally open contact K2-1 and the normally closed contact T3-1 are sequentially connected in series, connecting points at two ends are connected in parallel at two ends of the normally closed contact T0-1; one end of each of the normally open contact K1-1 and the normally open contact K0-4 is connected between the normally open contact T0-2 and the normally open contact K1-2; the other end of the normally open contact K1-1 is connected between the normally open contact K1-2 and the normally open contact K2-1, the other end of the normally open contact K0-4 is connected with a coil of the time relay T1, and a coil of the time relay T2 is connected in parallel at two ends of a coil of the time relay T1;

the fourth branch comprises a normally open contact T1-1 of a time relay T1 and a coil of an intermediate relay K1, wherein the normally open contact T1-1 of the time relay T1 is connected with the coil of the intermediate relay K1 in series;

the fifth branch comprises a normally open contact T2-1 of a time relay T2 and a coil of an intermediate relay K2, wherein the normally open contact T2-1 of the time relay T2 is connected with the coil of the intermediate relay K2 in series;

the sixth branch comprises a normally open contact K2-2 of an intermediate relay K2 and a coil of a time relay T3, and the normally open contact K2-2 of the intermediate relay K2 is connected with the coil of the time relay T3 in series;

the seventh branch comprises a normally open contact K1-3 of an intermediate relay K1 and an induction probe J1-S of a counter J1, wherein the normally open contact K1-3 of the intermediate relay K1 is connected with the induction probe J1-S of the counter J1 in series;

the eighth branch comprises a normally open contact M0-1 of an auxiliary relay M0, and a normally open contact M0-1 of an auxiliary relay M0 is connected with the lamp in series;

the time relays T0, T1, T2 and T3 are all electrically connected with the cold-hot cycle impact test box.

2. A countable multi-segment timed cycle system according to claim 1, wherein: the button switch SB1 is a starting normally open button, and the button switch SB2 is a stopping normally closed button.

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