CN114754495A - Silicon controlled rectifier protection method of instant drinking machine - Google Patents

Abstract

The embodiment of the application provides a silicon controlled protection method of a ready-to-drink machine, wherein each complete hot water outlet cycle of the ready-to-drink machine comprises the following steps: a water boiling stage and a waiting stage; the water boiling stage refers to the time period from the beginning of heating to the end of heating of the heating module; the waiting stage is a stage for waiting for water drainage after the water boiling stage is finished; the initial setting time of the water boiling stage is Ton, and the initial setting time of the waiting stage is Toff; the method comprises the following steps: counting the interval duration t between the beginning of the (n +1) th hot water outlet period after the nth hot water outlet period is finished; and when the interval time length t is less than the first time length ta, adding 1 to the numerical value M of the counting digit of the continuous hot water producing wheel number, and adjusting the time length of the waiting stage and/or the time length of the water boiling stage in the (n +1) th hot water outlet cycle according to the hot water producing wheel number and the first time length ta. According to the scheme of the embodiment, the temperature rise of the controllable silicon is effectively reduced when hot water is continuously discharged, the controllable silicon is prevented from being effective due to continuous hot water discharge, and the service life of the whole machine is prolonged.

Description

Silicon controlled rectifier protection method of instant drinking machine

Technical Field

The present invention relates to a control technology of a ready-to-drink machine, particularly to a silicon controlled protection method of a ready-to-drink machine.

Background

At present, the instant drinking machine (such as a water boiling bottle and the instant drinking machine) with a low cost scheme adopts the relay control to control the instant heating pipe, because the scheme adopts the relay to carry out power adjustment, the relay can be frequently operated, the relay is easily damaged, if the power adjustment is not carried out, the effect of the outlet water temperature is hardly ensured under different working conditions, and the service life of the whole machine is influenced.

In other schemes, a silicon controlled rectifier is adopted to drive a high-power heating pipe, so that the heating power is convenient to adjust, but if a user continuously produces hot water, the silicon controlled rectifier is electrified with large current for a long time, the temperature rise of the silicon controlled rectifier is caused to rise rapidly, the junction temperature of the silicon controlled rectifier is easily reached under the condition of continuous hot water production, the control failure of the silicon controlled rectifier is further caused, and the use of the whole machine is influenced. The existing instant drinking machine still has no effective method for reducing the temperature rise of the controllable silicon in the process of continuously discharging hot water, and the service life of the whole machine is influenced when the instant drinking machine is continuously discharged for a long time.

Disclosure of Invention

The embodiment of the application provides a silicon controlled rectifier protection method of a drink machine, can effectively reduce the temperature rise of the silicon controlled rectifier when hot water is continuously discharged, avoids the effect of the silicon controlled rectifier due to continuous hot water discharge, and prolongs the service life of the whole machine.

The embodiment of the application provides a silicon controlled protection method of a ready-to-drink machine, and each complete hot water outlet cycle of the ready-to-drink machine can comprise the following steps: a water boiling stage and a waiting stage; the water boiling stage refers to the time period from the beginning of heating to the end of heating of a heating module of the instant drinking machine; the waiting stage is a stage for waiting for water drainage after the water boiling stage is finished; the initial set duration of the water boiling stage is a water boiling working duration Ton, and the initial set duration of the waiting stage is a water outlet waiting duration Toff; the method can comprise the following steps:

starting timing after the nth hot water outlet period is finished, and counting the interval time t between the start of the (n +1) th hot water outlet period; the hot water is water with a temperature value larger than or equal to a preset temperature value; n is a positive integer;

judging whether the interval duration t is smaller than a first duration ta or not; the first time length ta is obtained by calculation according to the target temperature Tn of the nth hot water outlet cycle;

and when the interval time t is judged to be less than the first time ta, adding 1 to a numerical value M of a preset counting digit of the number of continuous water heating turns, and adjusting the time length of the waiting stage and/or the time length of the water boiling stage in the (n +1) th hot water outlet period according to the number of the water heating turns and the first time length ta.

In an exemplary embodiment of the present application, the method may further include: and when the next time of water outlet after the nth hot water outlet period is finished is non-hot water, clearing the numerical value M of the counting digit of the continuous hot water making wheel.

In an exemplary embodiment of the present application, the method may further include:

and when the interval time length t is greater than or equal to the first time length ta and is less than a preset second time length tb or a preset third time length tc, keeping the numerical value M of the last counting digit of the continuous water heating wheel, and adjusting the time length of the waiting stage and/or the time length of the water boiling stage in the (n +1) th hot water outlet period according to the first time length ta.

In an exemplary embodiment of the present application, the method may further include:

and when the interval time t is greater than or equal to the second time tb or greater than or equal to the third time tc, clearing the numerical value M of the counting number of the continuous heating water wheels.

In an exemplary embodiment of the present application, the adjusting the duration of the waiting phase and/or the duration of the water boiling phase in the (n +1) th hot water outlet cycle according to the number of hot water producing wheels and the first time length ta may include:

adjusting the duration of the waiting phase to: toff + M × ta;

adjusting the duration of the water boiling stage as follows: Ton-Nn × ta; and Nn is the number of the residual safe use turns of the controllable silicon after the nth continuous hot water outlet.

In an exemplary embodiment of the present application, the first time period ta may include:

where t1 is a predetermined time coefficient.

In an exemplary embodiment of the present application, the second time length tb may include:

the third duration tc may include:

in an exemplary embodiment of the present application, the method may further include:

when the numerical value M reaches the round number Q, directly adjusting the duration of the water boiling stage to be Ton-TQ; and Q is the number of the previous round of use when the temperature rise of the controlled silicon reaches the limit value, and the TQ is the preset adjusting time length capable of enabling the controlled silicon to reach the temperature stability value.

In an exemplary embodiment of the present application, the method may further include:

when TQ < t <2 TQ, keeping the value M of the counting digit of the last continuous hot water producing wheel, and adjusting the duration of the waiting stage and/or the duration of the water boiling stage in the (n +1) th hot water producing cycle according to the first duration ta;

and when t is more than or equal to 2 TQ, clearing the numerical value M of the counting number of the continuous hot water making wheel.

In an exemplary embodiment of the present application, the hot water discharge cycle may further include: a function selection stage; the initial setting duration of the function selection stage is the water outlet waiting duration TC; the method may further comprise:

when it is determined that the interval duration t is less than the first duration ta, the duration of the function selection stage is adjusted to: toff + M × ta.

In contrast to the related art, each complete hot water discharge cycle of the instant beverage machine in the embodiment of the present application may include: a water boiling stage and a waiting stage; (ii) a The water boiling stage refers to the time period from the beginning to the end of heating of a heating module of the instant drinking machine; the waiting stage is a stage for waiting for water drainage after the water boiling stage is finished; the initial set duration of the water boiling stage is a water boiling working duration Ton, and the initial set duration of the waiting stage is a water outlet waiting duration Toff; the method can comprise the following steps: starting timing after the nth hot water outlet period is finished, and counting the interval time t between the start of the (n +1) th hot water outlet period; the hot water is water with a temperature value larger than or equal to a preset temperature value; n is a positive integer; judging whether the interval duration t is smaller than a first duration ta or not; the first time length ta is obtained by calculation according to the target temperature Tn of the nth hot water outlet cycle; and when the interval time t is judged to be less than the first time ta, adding 1 to a numerical value M of a counting digit of a preset continuous heating water wheel number, and adjusting the time length of the waiting stage and/or the time length of the water boiling stage in the (n +1) th hot water outlet period according to the heating water wheel number and the first time ta. Through the scheme of the embodiment, the temperature rise of the controllable silicon is effectively reduced when the hot water continuously flows out, the controllable silicon is prevented from taking effect due to the fact that the hot water continuously flows out, and the service life of the whole machine is prolonged.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. Other advantages of the present application may be realized and attained by the instrumentalities and combinations particularly pointed out in the specification and the drawings.

Drawings

The accompanying drawings are included to provide an understanding of the present disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the examples serve to explain the principles of the disclosure and not to limit the disclosure.

FIG. 1 is a flow chart of a method for protecting a thyristor of a ready-to-drink machine according to an embodiment of the present disclosure;

FIG. 2 is a flowchart of a method for adjusting the duration of a water boiling stage according to an embodiment of the present disclosure;

fig. 3 is a flowchart of a method for adjusting a duration of a waiting period according to an embodiment of the present application.

Detailed Description

The present application describes embodiments, but the description is illustrative rather than limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with, or instead of, any other feature or element in any other embodiment, unless expressly limited otherwise.

The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application may also be combined with any conventional features or elements to form a unique inventive concept as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other inventive aspects to form yet another unique inventive aspect, as defined by the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not limited except as by the appended claims and their equivalents. Further, various modifications and changes may be made within the scope of the appended claims.

Further, in describing representative embodiments, the specification may have presented the method and/or process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other sequences of steps are possible as will be appreciated by those of ordinary skill in the art. Therefore, the particular order of the steps set forth in the specification should not be construed as limitations on the claims. Further, the claims directed to the method and/or process should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the embodiments of the present application.

The embodiment of the application provides a silicon controlled protection method of a ready-to-drink machine, and each complete hot water outlet cycle of the ready-to-drink machine can comprise the following steps: a water boiling stage and a waiting stage; the water boiling stage refers to the time period from the beginning to the end of heating of a heating module of the instant drinking machine; the waiting stage is a stage for waiting for water drainage after the water boiling stage is finished; the initial set duration of the water boiling stage is a water boiling working duration Ton, and the initial set duration of the waiting stage is a water outlet waiting duration Toff; as shown in fig. 1, the method may comprise steps S101-S103:

s101, starting timing after the nth hot water outlet period is finished, and counting the interval time t between the start of the (n +1) th hot water outlet period; the hot water is water with a temperature value larger than or equal to a preset temperature value; n is a positive integer;

s102, judging whether the interval duration t is smaller than a first duration ta or not; the first time length ta is obtained by calculation according to the target temperature Tn of the nth hot water outlet cycle;

s103, when the interval time t is judged to be smaller than the first time ta, determining that the current instant drinking machine is in a continuous hot water outlet state, adding 1 to a numerical value M of a preset continuous hot water making wheel number counting digit, and adjusting the time length of the waiting stage and/or the time length of the water boiling stage in the (n +1) th hot water outlet period according to the hot water making wheel number and the first time ta.

In an exemplary embodiment of the present application, the water boiling phase refers to a period of time between the heating module of the ready-to-drink machine starting to heat and ending to heat; specifically, it may be a period from when the heating start signal is received to when the heating end signal is received by the heating module, and the duration of the period may be the water boiling operation duration Ton.

In an exemplary embodiment of the present application, the number of the water heating wheels may include: the counted number M of the continuous heating water wheels and/or the number N of the safe use wheels of the controllable silicon obtained according to experience values or experiments.

In an exemplary embodiment of the present application, the first time period ta may include:

wherein t1 is a preset time coefficient, which is a minimum range or safe duration detected in advance according to the adopted thyristor.

In an exemplary embodiment of the present application, the adjusting the duration of the waiting phase and/or the duration of the water boiling phase in the (n +1) th hot water outlet cycle according to the number of hot water producing wheels and the first time length ta may include:

adjusting the duration of the waiting phase to: toff + M × ta;

adjusting the duration of the water boiling stage as follows: Ton-Nn × ta; wherein Nn is the number of the remaining safe use turns of the controllable silicon after the nth continuous hot water outlet; nn may be obtained by subtracting the number of successive hot water producing rounds M from the total number of safe use rounds of the thyristors.

In the exemplary embodiment of the application, the duration of the water boiling stage and/or the waiting stage in the water outlet process can be adaptively adjusted by identifying the recorded number of the pots for continuously making hot water (identification operation times), so that the temperature rise of the controllable silicon is reduced. The adjustment schemes of the duration of the waiting phase and the duration of the water boiling phase are described in detail below.

Scheme one, adjustment scheme of duration of waiting phase (as shown in figure 2)

In an exemplary embodiment of the present application, the hot water discharging process may be divided into an operating stage (i.e., a water boiling stage) and a waiting stage, which is regarded as a hot water discharging cycle, that is, a cycle of water discharging is performed after a complete hot water discharging cycle, and after the cycle of hot water discharging, the ready-to-drink machine (e.g., the ready-to-drink machine) returns to a power-off state or a standby selectable state.

In the exemplary embodiment of the application, the target temperature Tn can be determined according to the selected water temperature gear, the duration of the waiting stage can be adaptively adjusted, and the reduction of the temperature rise of the controllable silicon is realized.

In an exemplary embodiment of the present application, the mediation scheme may include:

1) after the temperature grade (target temperature T1) is selected, water is produced by adopting the duration Ton of the water boiling stage and the duration Toff of the waiting stage, and the water is prepared and finishedStarting timing when the manufacture of the boiled water is finished, counting the interval time t from the beginning of the next working stage, and if t meets the requirement

If the user needs the time range, the user selects to continue to discharge the hot water (if the user needs the time range, for example, the user selects a hot water temperature range), and records the number of continuous heating turns M plus 1 (that is, M is equal to M +1, and the initial value of M is 0), where M is equal to 1;

2) after the 2 nd round of hot water production is carried out and the temperature grade (the target temperature T2) is selected, the duration of the water boiling stage can be kept Ton, and the duration of the waiting stage can be adjusted to be Ton

After the whole water boiling production (hot water outlet period) is finished, the interval time t from the time of starting to the next water boiling stage is started to be timed, and if t meets the requirement

If the time range of (1) is within the above time range, the hot water is continuously discharged (if the user needs the time range, for example, the client selects a hot water temperature gear), and the number of the continuous hot water making rounds M plus 1 is recorded, wherein M is 2;

3) and the rest, the nth round of hot water production is carried out continuously, after the temperature gear (the target temperature Tn) is selected, the duration of the water boiling stage can be kept at Ton, and the duration of the waiting stage can be adjusted to be

After the whole boiled water is made, the interval duration t from the time of starting to the next boiled water stage is started to be timed, and if t meets the requirement

If the time range of (1) is within the above time range, the hot water is continuously discharged (if the user needs the time range, for example, the client selects a hot water temperature gear), and the number of the continuous hot water making rounds M plus 1 is recorded, wherein M is n-1;

4) and so on, continuously making hot water for the (n +1) th round, selecting a temperature grade (target temperature Tn +1), keeping the duration of the water boiling stage at Ton,the duration of the waiting phase can be adjusted to

After the whole boiled water is made, timing is started until the interval duration t when the next boiled water stage is started, and if t meets the requirement

If the user needs it, the user selects the hot water continuous-discharging mode (for example, the customer selects the hot water temperature range), and records the number of the continuous heating hot water wheels M plus 1, where M is equal to n.

In an exemplary embodiment of the present application, the method may further include: and when the next water outlet after the nth hot water outlet period is finished is non-hot water, determining that the instant water dispenser finishes the continuous hot water outlet state, and resetting the numerical value M of the continuous hot water making turbine counting digit.

In the exemplary embodiment of the application, in the process of continuously discharging hot water, if normal-temperature water is suddenly selected, that is, the heating pipe does not need to be controlled by the thyristor, the number M of the continuous water heating wheels can be cleared. When the continuous hot water production is started again, M is counted again.

In an exemplary embodiment of the present application, after the nth hot water discharging cycle is ended, the method may further include:

when the interval time t is greater than or equal to the first time length ta and less than a preset second time length tb, determining that the current instant drinking machine enters the continuous hot water outlet state again after being stopped, keeping a numerical value M of the number counting digit of the last continuous hot water making wheel, and adjusting the time length of the waiting stage in the (n +1) th hot water outlet period according to the numerical value M and the first time length ta.

In an exemplary embodiment of the present application, the second time length tb may include:

in the exemplary embodiment of the present application, the whole water boiling (the nth hot water cycle) is completed, the time interval t from the beginning of the next water boiling stage is counted, and if t satisfies the requirement

The time range of (3) is selected, hot water is required to be continuously discharged, and the number M of continuous manufacturing rounds is recorded without increasing or zero clearing.

In an exemplary embodiment of the present application, after the nth hot water discharging cycle is ended, the method may further include:

and when the interval time t is greater than or equal to the second time tb, determining that the current instant drinking machine finishes the continuous hot water outlet state, and clearing the numerical value M of the counting number of the continuous heating water turbine.

In the exemplary embodiment of the application, the whole water boiling (the nth hot water outlet period) is completed, the interval duration t from the time of starting the next working stage is counted, and if t satisfies the requirement

And (4) selecting the time range needing to continuously discharge hot water, recording the number M of continuous making rounds, and resetting, namely counting the number of continuous making hot water rounds again.

In the exemplary embodiment of the application, through the length of the self-adaptive adjustment waiting stage, the temperature of the silicon controlled rectifier is rapidly reduced along with the lengthening of the waiting time in the waiting stage, the water outlet experience of a user is guaranteed to the maximum extent, the instant drinking effect is not influenced, the normal temperature rise of the silicon controlled rectifier is guaranteed, meanwhile, the number M of continuous manufacturing rounds is cleared in time according to the using working condition of the user, and the using experience of the user is further improved.

Scheme two, adjustment scheme of duration of water boiling stage (as shown in figure 3)

In the exemplary embodiment of the application, the target temperature Tn can be determined according to the selected water temperature gear, the duration of the waiting stage is adaptively adjusted, and the temperature rise of the controllable silicon is reduced.

In an exemplary embodiment of the present application, the mediation scheme may include:

1) after a temperature grade (target temperature T1) is selected, water is produced by adopting the duration Ton of a water boiling stage and the duration Toff of a waiting stage, the whole water boiling production is finished and timed, the interval duration T to the beginning of the next working stage is counted, and if the T meets the requirement of the interval duration T, the water is produced in the 1 st round

If the user needs the time range, the user selects to continue to discharge the hot water (if the user needs the time range, for example, the user selects a hot water temperature range), and records the number of continuous heating turns M plus 1 (that is, M is equal to M +1, and the initial value of M is 0), where M is equal to 1;

2) after the 2 nd round of hot water production is carried out and the temperature grade (the target temperature T2) is selected, the duration of the water boiling stage can be adjusted to

The duration of the waiting stage can be kept Ton, after the whole water boiling production (hot water outlet period) is finished, the interval duration t from the time of starting to the next water boiling stage is started, and if t meets the requirement

If the time range of (1) is within the above time range, the hot water is continuously discharged (if the user needs the time range, for example, the client selects a hot water temperature gear), and the number of the continuous hot water making rounds M plus 1 is recorded, wherein M is 2;

3) and the like, continuously producing hot water in the nth round, and after selecting the temperature gear (target temperature Tn), adjusting the duration of the water boiling stage to be

The duration of the waiting stage can be kept Ton, and after the whole water boiling stage is finished, the interval duration from the time of starting timing to the time of starting the next water boiling stage is startedt if t satisfies

If the user needs the time range, the user selects to continue to discharge hot water (if the user needs the time range, for example, the user selects a hot water temperature range), and records the number of continuous hot water making rounds M plus 1, where M is n-1;

4) and the like, continuously producing hot water for the (n +1) th round, and after selecting the temperature grade (the target temperature Tn +1), adjusting the duration of the water boiling stage to be

The wait stage duration may be kept Toff; after the whole boiled water is made, timing is started until the interval duration t when the next boiled water stage is started, and if t meets the requirement

If the user needs it, the user selects the hot water continuous-discharging mode (for example, the customer selects the hot water temperature range), and records the number of the continuous heating hot water wheels M plus 1, where M is equal to n.

In an exemplary embodiment of the present application, the method may further include: and when the next time of water outlet after the nth hot water outlet period is finished is non-hot water, determining that the instant drinking machine finishes the continuous hot water outlet state, and clearing the numerical value M of the continuous hot water making cycle counting number.

In the exemplary embodiment of the application, in the process of continuously discharging hot water, if normal-temperature water is suddenly selected, that is, the heating pipe does not need to be controlled by the thyristor, the number M of the continuous water heating wheels can be cleared. When the continuous hot water production is started again, M is counted again.

In an exemplary embodiment of the present application, after the nth hot water discharging cycle is ended, the method may further include:

and when the interval time t is greater than or equal to the first time length ta and less than a preset third time length tc, determining that the current instant drink enters the continuous hot water outlet state again after stopping, reserving the numerical value M of the last continuous hot water producing cycle number counting digit, and adjusting the time length of the water boiling stage in the (n +1) th hot water outlet cycle according to the numerical value Nn and the first time length ta.

In an exemplary embodiment of the present application, the third time period tc may include:

in the exemplary embodiment of the present application, the whole water boiling (the nth hot water cycle) is completed, the time interval t from the beginning of the next water boiling stage is counted, and if t satisfies the requirement

The time range of (3) is selected, the hot water is required to be continuously discharged, and the number M of continuous manufacturing rounds is recorded without increasing or resetting.

In an exemplary embodiment of the present application, after the nth hot water discharging cycle is ended, the method may further include:

and when the interval time t is greater than or equal to the third time tc, determining that the current instant drinking machine finishes the continuous hot water outlet state, and clearing the numerical value M of the counting number of the continuous heating water turbine.

In the exemplary embodiment of the application, the whole water boiling (the nth hot water outlet period) is completed, the interval duration t from the time of starting the next working stage is counted, and if t satisfies the requirement

And (4) selecting the time range needing to continuously discharge hot water, recording the number M of continuous making rounds, and resetting, namely counting the number of continuous making hot water rounds again.

In the exemplary embodiment of this application, through the length of the self-adaptation regulation stage of heating up water, the operating time Ton in the stage of heating up water has been shortened, the length of time of silicon controlled rectifier control heating has been reduced, along with the time of heating up water reduces in the stage of heating up water, silicon controlled rectifier temperature rapid cooling, guarantee user's play water experience in the at utmost, do not influence the effect of drinking promptly, the temperature rise of silicon controlled rectifier has been guaranteed again simultaneously normally, simultaneously according to user's use operating mode, in time with the zero clearing of continuous preparation round number M, further promote user's use and experience. In addition, with continuous water outlet, the duration of the water boiling stage and the duration of the waiting stage are gradually balanced, so that the temperature balance of the silicon controlled rectifier is realized, namely, the silicon temperature is controlled not to be continuously increased, and simultaneously, the user is indirectly informed of the temperature balance, and the use of excessive continuous hot water is avoided.

In the exemplary embodiment of the present application, the temperature of the thyristor can be reduced by shortening the operating time Ton of the water boiling stage, but it cannot be reduced without limitation, otherwise, the normal water boiling operation cannot be satisfied. According to the embodiment of the application, the water boiling stage is long through continuous adjustment, and the temperature rise of the controllable silicon gradually reaches the temperature balance through the intermittent working mode.

In the exemplary embodiment of the present application, a scheme for directly shortening the water boiling time Ton by recording the number of rounds of continuously making hot water is also proposed.

In an exemplary embodiment of the present application, the method may further include:

when the numerical value M reaches the round number Q, directly adjusting the duration of the water boiling stage to be Ton-TQ; and Q is the number of the previous round of use when the temperature rise of the controlled silicon reaches the limit value, and the TQ is the preset adjusting time length capable of enabling the controlled silicon to reach the temperature stability value.

In an exemplary embodiment of the present application, the mediation scheme may include:

1) after a temperature grade (target temperature T1) is selected, water is produced by adopting the duration Ton of a water boiling stage and the duration Toff of a waiting stage, the whole water boiling production is completed, the interval duration T from the time of starting to the next water boiling stage is counted, and if the T meets the requirement of the interval duration T, the water is produced in the 1 st round of hot water production

When the user needs the time range, the user selects to continue to discharge hot water (when the user needs the time range, for example, the user selects a hot water temperature range), and records the number of the continuous heating hot water wheels M plus 1 (that is, M is M +1, and the initial value of M is 0), where M is 1;

2) after a temperature grade (target temperature T2) is selected, water is produced by adopting the duration Ton of a water boiling stage and the duration Toff of a waiting stage, after the whole water boiling production (hot water production period) is finished, the interval duration T from the time of the next water boiling stage is started, and if the interval duration T meets the requirement of the next water boiling stage, the water is produced by the second round of hot water production

If the time range of (1) is within the above time range, the hot water is continuously discharged (if the user needs the time range, for example, the client selects a hot water temperature gear), and the number of the continuous hot water making rounds M plus 1 is recorded, wherein M is 2;

3) and analogizing, continuously making hot water in the nth round, after selecting a temperature gear (target temperature Tn), making water by adopting the time length Ton of the water boiling stage and the time length Toff of the waiting stage, starting timing to the interval time length t when the next water boiling stage starts after the whole water boiling is made, and if the time length t meets the requirement of the interval time length t when the next water boiling stage starts

If the time range of (1) is within the above time range, the hot water is continuously discharged (if the user needs the time range, for example, the client selects a hot water temperature gear), and the number of the continuous hot water making rounds M plus 1 is recorded, wherein M is n-1;

4) when M is larger than or equal to Q, the duration of the water boiling stage can be adjusted to Ton-TQ, and the duration of the waiting stage can be kept Toff; after the whole boiled water is made, the interval duration t from the time of starting to the next boiled water stage is started to be timed, and if t meets the requirement

If the user needs it, the user selects the hot water continuous-discharging mode (for example, the customer selects the hot water temperature range), and records the number of the continuous heating hot water wheels M plus 1, where M is equal to n.

In an exemplary embodiment of the present application, the method may further include: and when the next time of water outlet after the nth hot water outlet period is finished is non-hot water, determining that the instant drinking machine finishes the continuous hot water outlet state, and clearing the numerical value M of the continuous hot water making cycle counting number.

In the exemplary embodiment of the application, in the process of continuously discharging hot water, if normal-temperature water is suddenly selected, that is, the heating pipe does not need to be controlled by the thyristor, the number M of the continuous water heating wheels can be cleared. When the continuous hot water production is started again, M is counted again.

In an exemplary embodiment of the present application, the method may further include:

when TQ < t <2 TQ, determining that the current instant drinking machine enters a continuous hot water outlet state again after being stopped, keeping the numerical value M of the number counting digit of the last continuous hot water making wheel, and adjusting the duration of the waiting stage and/or the duration of the water boiling stage in the (n +1) th hot water outlet period according to the first duration ta;

and when t is more than or equal to 2 TQ, determining that the current instant drink machine enters a continuous hot water outlet state again after stopping, and resetting the numerical value M of the counting number of the continuous hot water producing wheel.

In the exemplary embodiment of the application, the whole water boiling production (the nth hot water production cycle) is completed, the interval duration t from the beginning of the next water boiling stage is counted, if t meets the time range of TQ < t <2 × TQ, the hot water is selected to be continuously produced, and the number M of continuous production rounds is recorded without increasing or clearing.

In the exemplary embodiment of the application, after the whole water boiling production (the nth hot water production cycle) is completed, the interval duration t from the beginning of the timing to the beginning of the next working phase is started, if t meets the time range that t is more than or equal to 2 × TQ, the continuous hot water production is selected to be continued, the number of continuous production rounds M is recorded and cleared, that is, the number of continuous hot water production rounds is counted again.

In the exemplary embodiment of this application, through the mode that directly shortens Ton after the continuous play hot water of Q round, can guarantee that the use of the preceding Q round of user is experienced, also directly shortens Ton effective control silicon controlled rectifier temperature rise through the Q round simultaneously, prevents that the silicon controlled rectifier temperature rise lasts and brings from puncturing the problem.

In an exemplary embodiment of the present application, the hot water discharge cycle may further include: a function selection stage; the initial setting duration of the function selection stage is the water outlet waiting duration TC; the method may further comprise:

when the interval duration t is judged to be less than the first duration ta, the duration of the function selection stage is adjusted to be: toff + M × ta.

In an exemplary embodiment of the present application, the time period Tc between entering the water boiling stage after the function has been selected can be adaptively adjusted by recording the number of rounds of continuous production.

In an exemplary embodiment of the present application, the function selection phase together with the water boiling phase and the waiting phase may be considered as one hot water out cycle.

In the exemplary embodiment of the application, after the user selects the function, a function lamp flashing indicating stage can be entered, no other key response is provided at the moment, and after the TC duration is continued, a water boiling state can be entered.

In the exemplary embodiment of the application, after the temperature gear (target temperature Tn) is selected, the duration TC of the function selection stage can be adaptively adjusted, so as to reduce the temperature rise of the thyristor.

In an exemplary embodiment of the present application, the mediation scheme may include:

1) the 1 st round of hot water production, the time length of the function selection stage is TC, the whole water boiling production is finished and is started to time, the interval time length t from the beginning of the next working stage is counted, and if t meets the requirement

Continuously selecting hot water, and recording the number M of continuous hot water making wheels plus 1 (namely M is M +1, and the initial value of M is 0), wherein M is 1;

2) the 2 nd round of hot water production, the duration TC of the function selection stage is adjusted to

The whole process of boiling water is completedThen, starting to time the interval duration t from the beginning of the next water boiling stage, if t satisfies the requirement

And recording the number M of the continuous hot water making wheels plus 1, wherein M is 2;

3) and the like, continuously producing hot water for the nth round, and adjusting the time length TC of the function selection stage to be

After the whole boiled water is made, the interval duration t from the beginning of timing to the beginning of the next working stage is started, and if t meets the requirement

And (4) continuously selecting hot water, and recording the number M of the continuous hot water making wheels plus 1, wherein M is n-1.

In the exemplary embodiment of the application, the waiting time of the controllable silicon is increased in a phase-changing manner by adjusting the time length after the function is entered, so that the temperature rise of the controllable silicon is reduced.

In an exemplary embodiment of the present application, a scheme of performing fault alarm prompting by recording the number of continuously manufactured rounds is further provided in the embodiment of the present application.

In the exemplary embodiment of the application, if the duration of the water boiling phase in n successive hot water outlet cycles is Ton and the duration of the waiting phase is Toff, the flag M1 ═ n of the number of abnormal successive hot water outlet cycles is recorded; and when n is larger than or equal to S, if the hot water function is selected again, fault alarm prompt is carried out. And S is the preset number of safe use turns of the controlled silicon in the abnormal continuous hot water boiling state.

In the exemplary embodiment of the application, the user is informed through the fault alarm prompt, and an abnormal continuous hot water heating mode is not required, so that the safety of the whole machine is protected, and the silicon controlled rectifier is prevented from being damaged.

It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.

Claims (10)

1. A method for protecting a thyristor in a ready-to-drink machine, wherein each complete hot water discharge cycle of the ready-to-drink machine comprises: a water boiling stage and a waiting stage; the water boiling stage refers to the time period from the beginning to the end of heating of a heating module of the instant drinking machine; the waiting stage is a stage for waiting for water drainage after the water boiling stage is finished; the initial setting duration of the water boiling stage is a water boiling working duration Ton, and the initial setting duration of the waiting stage is a water outlet waiting duration Toff; the method comprises the following steps:

starting timing after the nth hot water outlet period is finished, and counting the interval time t between the start of the (n +1) th hot water outlet period; wherein the hot water is water with a temperature value greater than or equal to a preset temperature value; n is a positive integer;

judging whether the interval duration t is smaller than a first duration ta or not; the first time length ta is obtained by calculation according to the target temperature Tn of the nth hot water outlet cycle;

and when the interval time t is judged to be less than the first time ta, adding 1 to a numerical value M of a counting digit of a preset continuous heating water wheel number, and adjusting the time length of the waiting stage and/or the time length of the water boiling stage in the (n +1) th hot water outlet period according to the heating water wheel number and the first time ta.

2. The method for thyristor protection in a ready-to-drink machine as claimed in claim 1, further comprising: and when the next time of water outlet after the nth hot water outlet period is finished is non-hot water, clearing the numerical value M of the counting digit of the continuous hot water making wheel.

3. The method for thyristor protection in a ready-to-drink machine as claimed in claim 1, further comprising:

when the interval time t is greater than or equal to the first time length ta and less than a preset second time length tb or a preset third time length tc, keeping the numerical value M of the number counting digit of the last continuous hot water making wheel, and adjusting the time length of the waiting stage and/or the time length of the water boiling stage in the (n +1) th hot water outlet period according to the first time length ta.

4. The method for thyristor protection of a ready-to-drink machine of claim 3, further comprising:

and when the interval time t is greater than or equal to the second time tb or greater than or equal to the third time tc, clearing the numerical value M of the counting number of the continuous heating water wheels.

5. The SCR protection method for a ready-to-drink machine as claimed in claim 1 or 3, wherein said adjusting the duration of the waiting phase and/or the duration of the boiling phase in the (n +1) th hot water cycle according to the number of hot water producing cycles and the first time ta comprises:

adjusting the duration of the waiting phase to: toff + M × ta;

adjusting the duration of the water boiling stage as follows: Ton-Nn × ta; and Nn is the number of the residual safe use turns of the controllable silicon after the nth continuous hot water outlet.

6. The method for thyristor protection in a ready-to-drink machine according to any of claims 1-4, wherein the first time period ta comprises:

where t1 is a predetermined time coefficient.

7. The method for silicon controlled protection of a ready-to-drink machine as claimed in claim 3 or 4,

the second time period tb includes:

the third duration tc comprises:

8. the method for thyristor protection in a ready-to-drink machine of any one of claims 1-4, further comprising:

when the numerical value M reaches the round number Q, directly adjusting the duration of the water boiling stage to be Ton-TQ; wherein, Q is the previous round of use number of rounds that the temperature rise of silicon controlled rectifier reaches the limit value, and this TQ is the adjustment duration that can make the silicon controlled rectifier reach the temperature stability value for predetermineeing.

9. The method for thyristor protection of a ready-to-drink machine of any one of claims 1-4, further comprising:

when TQ < t <2 TQ, keeping the numerical value M of the number counting digit of the last continuous hot water making wheel, and adjusting the duration of the waiting stage and/or the duration of the water boiling stage in the (n +1) th hot water outlet period according to the first duration ta;

and when t is more than or equal to 2 TQ, clearing the numerical value M of the counting number of the continuous hot water making wheel.

10. The method of any of claims 1-4, wherein the hot water discharge cycle further comprises: a function selection stage; the initial setting duration of the function selection stage is the water outlet waiting duration TC; the method further comprises the following steps:

when the interval duration t is judged to be less than the first duration ta, the duration of the function selection stage is adjusted to be: toff + M × ta.

Images